CISCO VIC ETHERNET NIC DRIVER
M: Christian Benvenuti <benve@cisco.com>
-M: Sujith Sankar <ssujith@cisco.com>
M: Govindarajulu Varadarajan <_govind@gmx.com>
M: Neel Patel <neepatel@cisco.com>
S: Supported
F: net/mac80211/
F: drivers/net/wireless/mac80211_hwsim.[ch]
-MACVLAN DRIVER
-M: Patrick McHardy <kaber@trash.net>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/macvlan.c
-F: include/linux/if_macvlan.h
-
MAILBOX API
M: Jassi Brar <jassisinghbrar@gmail.com>
L: linux-kernel@vger.kernel.org
MARVELL MWIFIEX WIRELESS DRIVER
M: Amitkumar Karwar <akarwar@marvell.com>
M: Nishant Sarmukadam <nishants@marvell.com>
+M: Ganapathi Bhat <gbhat@marvell.com>
+M: Xinming Hu <huxm@marvell.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/marvell/mwifiex/
S: Maintained
F: drivers/media/platform/vivid/*
-VLAN (802.1Q)
-M: Patrick McHardy <kaber@trash.net>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/macvlan.c
-F: include/linux/if_*vlan.h
-F: net/8021q/
-
VLYNQ BUS
M: Florian Fainelli <f.fainelli@gmail.com>
L: openwrt-devel@lists.openwrt.org (subscribers-only)
VERSION = 4
PATCHLEVEL = 11
SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
NAME = Fearless Coyote
# *DOCUMENTATION*
394 common pkey_mprotect sys_pkey_mprotect
395 common pkey_alloc sys_pkey_alloc
396 common pkey_free sys_pkey_free
+397 common statx sys_statx
def_bool y
depends on COMPAT && SYSVIPC
+config KEYS_COMPAT
+ def_bool y
+ depends on COMPAT && KEYS
+
endmenu
menu "Power management options"
static inline bool system_uses_ttbr0_pan(void)
{
return IS_ENABLED(CONFIG_ARM64_SW_TTBR0_PAN) &&
- !cpus_have_cap(ARM64_HAS_PAN);
+ !cpus_have_const_cap(ARM64_HAS_PAN);
}
#endif /* __ASSEMBLY__ */
}
/**
- * cpu_suspend() - function to enter a low-power idle state
+ * arm_cpuidle_suspend() - function to enter a low-power idle state
* @arg: argument to pass to CPU suspend operations
*
* Return: 0 on success, -EOPNOTSUPP if CPU suspend hook not initialized, CPU
return 0;
}
-int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
- unsigned long val, void *data)
-{
- return NOTIFY_DONE;
-}
-
static void __kprobes kprobe_handler(struct pt_regs *regs)
{
struct kprobe *p, *cur_kprobe;
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
vmemmap_populate(kimg_shadow_start, kimg_shadow_end,
- pfn_to_nid(virt_to_pfn(_text)));
+ pfn_to_nid(virt_to_pfn(lm_alias(_text))));
/*
* vmemmap_populate() has populated the shadow region that covers the
return val;
}
-#define xchg(ptr, with) \
- ((typeof(*(ptr)))__xchg((unsigned long)(with), (ptr), sizeof(*(ptr))))
+#define xchg(ptr, with) \
+ ({ \
+ (__typeof__(*(ptr))) __xchg((unsigned long)(with), \
+ (ptr), \
+ sizeof(*(ptr))); \
+ })
#endif /* __ASM_OPENRISC_CMPXCHG_H */
case 1: __get_user_asm(x, ptr, retval, "l.lbz"); break; \
case 2: __get_user_asm(x, ptr, retval, "l.lhz"); break; \
case 4: __get_user_asm(x, ptr, retval, "l.lwz"); break; \
- case 8: __get_user_asm2(x, ptr, retval); \
+ case 8: __get_user_asm2(x, ptr, retval); break; \
default: (x) = __get_user_bad(); \
} \
} while (0)
#include <asm/hardirq.h>
#include <asm/delay.h>
#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
#define DECLARE_EXPORT(name) extern void name(void); EXPORT_SYMBOL(name)
DECLARE_EXPORT(__ashrdi3);
DECLARE_EXPORT(__ashldi3);
DECLARE_EXPORT(__lshrdi3);
+DECLARE_EXPORT(__ucmpdi2);
+EXPORT_SYMBOL(empty_zero_page);
EXPORT_SYMBOL(__copy_tofrom_user);
+EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(memset);
}
void (*pm_power_off) (void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
/*
* When a process does an "exec", machine state like FPU and debug
#define flush_kernel_dcache_range(start,size) \
flush_kernel_dcache_range_asm((start), (start)+(size));
-/* vmap range flushes and invalidates. Architecturally, we don't need
- * the invalidate, because the CPU should refuse to speculate once an
- * area has been flushed, so invalidate is left empty */
-static inline void flush_kernel_vmap_range(void *vaddr, int size)
-{
- unsigned long start = (unsigned long)vaddr;
-
- flush_kernel_dcache_range_asm(start, start + size);
-}
-static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
-{
- unsigned long start = (unsigned long)vaddr;
- void *cursor = vaddr;
- for ( ; cursor < vaddr + size; cursor += PAGE_SIZE) {
- struct page *page = vmalloc_to_page(cursor);
-
- if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
- flush_kernel_dcache_page(page);
- }
- flush_kernel_dcache_range_asm(start, start + size);
-}
+void flush_kernel_vmap_range(void *vaddr, int size);
+void invalidate_kernel_vmap_range(void *vaddr, int size);
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
* that put_user is the same as __put_user, etc.
*/
-#define access_ok(type, uaddr, size) (1)
+#define access_ok(type, uaddr, size) \
+ ( (uaddr) == (uaddr) )
#define put_user __put_user
#define get_user __get_user
#define __NR_copy_file_range (__NR_Linux + 346)
#define __NR_preadv2 (__NR_Linux + 347)
#define __NR_pwritev2 (__NR_Linux + 348)
+#define __NR_statx (__NR_Linux + 349)
-#define __NR_Linux_syscalls (__NR_pwritev2 + 1)
+#define __NR_Linux_syscalls (__NR_statx + 1)
#define __IGNORE_select /* newselect */
__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
}
}
+
+void flush_kernel_vmap_range(void *vaddr, int size)
+{
+ unsigned long start = (unsigned long)vaddr;
+
+ if ((unsigned long)size > parisc_cache_flush_threshold)
+ flush_data_cache();
+ else
+ flush_kernel_dcache_range_asm(start, start + size);
+}
+EXPORT_SYMBOL(flush_kernel_vmap_range);
+
+void invalidate_kernel_vmap_range(void *vaddr, int size)
+{
+ unsigned long start = (unsigned long)vaddr;
+
+ if ((unsigned long)size > parisc_cache_flush_threshold)
+ flush_data_cache();
+ else
+ flush_kernel_dcache_range_asm(start, start + size);
+}
+EXPORT_SYMBOL(invalidate_kernel_vmap_range);
*/
*loc = fsel(val, addend);
break;
+ case R_PARISC_SECREL32:
+ /* 32-bit section relative address. */
+ *loc = fsel(val, addend);
+ break;
case R_PARISC_DPREL21L:
/* left 21 bit of relative address */
val = lrsel(val - dp, addend);
*/
*loc = fsel(val, addend);
break;
+ case R_PARISC_SECREL32:
+ /* 32-bit section relative address. */
+ *loc = fsel(val, addend);
+ break;
case R_PARISC_FPTR64:
/* 64-bit function address */
if(in_local(me, (void *)(val + addend))) {
* the PDC INTRIGUE calls. This is done to eliminate bugs introduced
* in various PDC revisions. The code is much more maintainable
* and reliable this way vs having to debug on every version of PDC
- * on every box.
+ * on every box.
*/
#include <linux/capability.h>
static int perf_release(struct inode *inode, struct file *file);
static int perf_open(struct inode *inode, struct file *file);
static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos);
-static ssize_t perf_write(struct file *file, const char __user *buf, size_t count,
- loff_t *ppos);
+static ssize_t perf_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos);
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static void perf_start_counters(void);
static int perf_stop_counters(uint32_t *raddr);
/*
* configure:
*
- * Configure the cpu with a given data image. First turn off the counters,
+ * Configure the cpu with a given data image. First turn off the counters,
* then download the image, then turn the counters back on.
*/
static int perf_config(uint32_t *image_ptr)
error = perf_stop_counters(raddr);
if (error != 0) {
printk("perf_config: perf_stop_counters = %ld\n", error);
- return -EINVAL;
+ return -EINVAL;
}
printk("Preparing to write image\n");
error = perf_write_image((uint64_t *)image_ptr);
if (error != 0) {
printk("perf_config: DOWNLOAD = %ld\n", error);
- return -EINVAL;
+ return -EINVAL;
}
printk("Preparing to start counters\n");
}
/*
- * Open the device and initialize all of its memory. The device is only
+ * Open the device and initialize all of its memory. The device is only
* opened once, but can be "queried" by multiple processes that know its
* file descriptor.
*/
* called on the processor that the download should happen
* on.
*/
-static ssize_t perf_write(struct file *file, const char __user *buf, size_t count,
- loff_t *ppos)
+static ssize_t perf_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
size_t image_size;
uint32_t image_type;
uint32_t interface_type;
uint32_t test;
- if (perf_processor_interface == ONYX_INTF)
+ if (perf_processor_interface == ONYX_INTF)
image_size = PCXU_IMAGE_SIZE;
- else if (perf_processor_interface == CUDA_INTF)
+ else if (perf_processor_interface == CUDA_INTF)
image_size = PCXW_IMAGE_SIZE;
- else
+ else
return -EFAULT;
if (!capable(CAP_SYS_ADMIN))
/* First check the machine type is correct for
the requested image */
- if (((perf_processor_interface == CUDA_INTF) &&
- (interface_type != CUDA_INTF)) ||
- ((perf_processor_interface == ONYX_INTF) &&
- (interface_type != ONYX_INTF)))
+ if (((perf_processor_interface == CUDA_INTF) &&
+ (interface_type != CUDA_INTF)) ||
+ ((perf_processor_interface == ONYX_INTF) &&
+ (interface_type != ONYX_INTF)))
return -EINVAL;
/* Next check to make sure the requested image
is valid */
- if (((interface_type == CUDA_INTF) &&
+ if (((interface_type == CUDA_INTF) &&
(test >= MAX_CUDA_IMAGES)) ||
- ((interface_type == ONYX_INTF) &&
- (test >= MAX_ONYX_IMAGES)))
+ ((interface_type == ONYX_INTF) &&
+ (test >= MAX_ONYX_IMAGES)))
return -EINVAL;
/* Copy the image into the processor */
- if (interface_type == CUDA_INTF)
+ if (interface_type == CUDA_INTF)
return perf_config(cuda_images[test]);
else
return perf_config(onyx_images[test]);
static void perf_patch_images(void)
{
#if 0 /* FIXME!! */
-/*
+/*
* NOTE: this routine is VERY specific to the current TLB image.
* If the image is changed, this routine might also need to be changed.
*/
extern void $i_dtlb_miss_2_0();
extern void PA2_0_iva();
- /*
+ /*
* We can only use the lower 32-bits, the upper 32-bits should be 0
- * anyway given this is in the kernel
+ * anyway given this is in the kernel
*/
uint32_t itlb_addr = (uint32_t)&($i_itlb_miss_2_0);
uint32_t dtlb_addr = (uint32_t)&($i_dtlb_miss_2_0);
if (perf_processor_interface == ONYX_INTF) {
/* clear last 2 bytes */
- onyx_images[TLBMISS][15] &= 0xffffff00;
+ onyx_images[TLBMISS][15] &= 0xffffff00;
/* set 2 bytes */
onyx_images[TLBMISS][15] |= (0x000000ff&((dtlb_addr) >> 24));
onyx_images[TLBMISS][16] = (dtlb_addr << 8)&0xffffff00;
onyx_images[TLBMISS][17] = itlb_addr;
/* clear last 2 bytes */
- onyx_images[TLBHANDMISS][15] &= 0xffffff00;
+ onyx_images[TLBHANDMISS][15] &= 0xffffff00;
/* set 2 bytes */
onyx_images[TLBHANDMISS][15] |= (0x000000ff&((dtlb_addr) >> 24));
onyx_images[TLBHANDMISS][16] = (dtlb_addr << 8)&0xffffff00;
onyx_images[TLBHANDMISS][17] = itlb_addr;
/* clear last 2 bytes */
- onyx_images[BIG_CPI][15] &= 0xffffff00;
+ onyx_images[BIG_CPI][15] &= 0xffffff00;
/* set 2 bytes */
onyx_images[BIG_CPI][15] |= (0x000000ff&((dtlb_addr) >> 24));
onyx_images[BIG_CPI][16] = (dtlb_addr << 8)&0xffffff00;
} else if (perf_processor_interface == CUDA_INTF) {
/* Cuda interface */
- cuda_images[TLBMISS][16] =
+ cuda_images[TLBMISS][16] =
(cuda_images[TLBMISS][16]&0xffff0000) |
((dtlb_addr >> 8)&0x0000ffff);
- cuda_images[TLBMISS][17] =
+ cuda_images[TLBMISS][17] =
((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff);
cuda_images[TLBMISS][18] = (itlb_addr << 16)&0xffff0000;
- cuda_images[TLBHANDMISS][16] =
+ cuda_images[TLBHANDMISS][16] =
(cuda_images[TLBHANDMISS][16]&0xffff0000) |
((dtlb_addr >> 8)&0x0000ffff);
- cuda_images[TLBHANDMISS][17] =
+ cuda_images[TLBHANDMISS][17] =
((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff);
cuda_images[TLBHANDMISS][18] = (itlb_addr << 16)&0xffff0000;
- cuda_images[BIG_CPI][16] =
+ cuda_images[BIG_CPI][16] =
(cuda_images[BIG_CPI][16]&0xffff0000) |
((dtlb_addr >> 8)&0x0000ffff);
- cuda_images[BIG_CPI][17] =
+ cuda_images[BIG_CPI][17] =
((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff);
cuda_images[BIG_CPI][18] = (itlb_addr << 16)&0xffff0000;
} else {
/*
* ioctl routine
- * All routines effect the processor that they are executed on. Thus you
+ * All routines effect the processor that they are executed on. Thus you
* must be running on the processor that you wish to change.
*/
}
/* copy out the Counters */
- if (copy_to_user((void __user *)arg, raddr,
+ if (copy_to_user((void __user *)arg, raddr,
sizeof (raddr)) != 0) {
error = -EFAULT;
break;
.open = perf_open,
.release = perf_release
};
-
+
static struct miscdevice perf_dev = {
MISC_DYNAMIC_MINOR,
PA_PERF_DEV,
/* OR sticky2 (bit 1496) to counter2 bit 32 */
tmp64 |= (userbuf[23] >> 8) & 0x0000000080000000;
raddr[2] = (uint32_t)tmp64;
-
+
/* Counter3 is bits 1497 to 1528 */
tmp64 = (userbuf[23] >> 7) & 0x00000000ffffffff;
/* OR sticky3 (bit 1529) to counter3 bit 32 */
userbuf[22] = 0;
userbuf[23] = 0;
- /*
+ /*
* Write back the zeroed bytes + the image given
* the read was destructive.
*/
} else {
/*
- * Read RDR-15 which contains the counters and sticky bits
+ * Read RDR-15 which contains the counters and sticky bits
*/
if (!perf_rdr_read_ubuf(15, userbuf)) {
return -13;
}
- /*
+ /*
* Clear out the counters
*/
perf_rdr_clear(15);
raddr[2] = (uint32_t)((userbuf[1] >> 32) & 0x00000000ffffffffUL);
raddr[3] = (uint32_t)(userbuf[1] & 0x00000000ffffffffUL);
}
-
+
return 0;
}
i = tentry->num_words;
while (i--) {
buffer[i] = 0;
- }
+ }
/* Check for bits an even number of 64 */
if ((xbits = width & 0x03f) != 0) {
}
runway = ioremap_nocache(cpu_device->hpa.start, 4096);
+ if (!runway) {
+ pr_err("perf_write_image: ioremap failed!\n");
+ return -ENOMEM;
+ }
/* Merge intrigue bits into Runway STATUS 0 */
tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful;
- __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul),
+ __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul),
runway + RUNWAY_STATUS);
-
+
/* Write RUNWAY DEBUG registers */
for (i = 0; i < 8; i++) {
__raw_writeq(*memaddr++, runway + RUNWAY_DEBUG);
}
- return 0;
+ return 0;
}
/*
perf_rdr_shift_out_U(rdr_num, buffer[i]);
} else {
perf_rdr_shift_out_W(rdr_num, buffer[i]);
- }
+ }
}
printk("perf_rdr_write done\n");
}
printk(KERN_EMERG "System shut down completed.\n"
"Please power this system off now.");
+
+ for (;;);
}
void (*pm_power_off)(void) = machine_power_off;
ENTRY_SAME(copy_file_range)
ENTRY_COMP(preadv2)
ENTRY_COMP(pwritev2)
+ ENTRY_SAME(statx)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
COMPAT_SYS_SPU(preadv2)
COMPAT_SYS_SPU(pwritev2)
SYSCALL(kexec_file_load)
+SYSCALL(statx)
#include <uapi/asm/unistd.h>
-#define NR_syscalls 383
+#define NR_syscalls 384
#define __NR__exit __NR_exit
#define __NR_preadv2 380
#define __NR_pwritev2 381
#define __NR_kexec_file_load 382
+#define __NR_statx 383
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
mmu_hash_ops.flush_hash_range = pSeries_lpar_flush_hash_range;
mmu_hash_ops.hpte_clear_all = pseries_hpte_clear_all;
mmu_hash_ops.hugepage_invalidate = pSeries_lpar_hugepage_invalidate;
- mmu_hash_ops.resize_hpt = pseries_lpar_resize_hpt;
+
+ if (firmware_has_feature(FW_FEATURE_HPT_RESIZE))
+ mmu_hash_ops.resize_hpt = pseries_lpar_resize_hpt;
}
void radix_init_pseries(void)
static void refresh_pce(void *ignored)
{
- if (current->mm)
- load_mm_cr4(current->mm);
+ if (current->active_mm)
+ load_mm_cr4(current->active_mm);
}
static void x86_pmu_event_mapped(struct perf_event *event)
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
+ /*
+ * This function relies on not being called concurrently in two
+ * tasks in the same mm. Otherwise one task could observe
+ * perf_rdpmc_allowed > 1 and return all the way back to
+ * userspace with CR4.PCE clear while another task is still
+ * doing on_each_cpu_mask() to propagate CR4.PCE.
+ *
+ * For now, this can't happen because all callers hold mmap_sem
+ * for write. If this changes, we'll need a different solution.
+ */
+ lockdep_assert_held_exclusive(¤t->mm->mmap_sem);
+
if (atomic_inc_return(¤t->mm->context.perf_rdpmc_allowed) == 1)
on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
}
*(tmp + 1) = 0;
}
-#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \
- defined(CONFIG_PARAVIRT))
static inline void native_pud_clear(pud_t *pudp)
{
}
-#endif
static inline void pud_clear(pud_t *pudp)
{
# define set_pud(pudp, pud) native_set_pud(pudp, pud)
#endif
-#ifndef __PAGETABLE_PMD_FOLDED
+#ifndef __PAGETABLE_PUD_FOLDED
#define pud_clear(pud) native_pud_clear(pud)
#endif
return -EINVAL;
}
+ if (!enabled) {
+ ++disabled_cpus;
+ return -EINVAL;
+ }
+
if (boot_cpu_physical_apicid != -1U)
ver = boot_cpu_apic_version;
- cpu = __generic_processor_info(id, ver, enabled);
+ cpu = generic_processor_info(id, ver);
if (cpu >= 0)
early_per_cpu(x86_cpu_to_acpiid, cpu) = acpiid;
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
int nid;
return nr_logical_cpuids++;
}
-int __generic_processor_info(int apicid, int version, bool enabled)
+int generic_processor_info(int apicid, int version)
{
int cpu, max = nr_cpu_ids;
bool boot_cpu_detected = physid_isset(boot_cpu_physical_apicid,
if (num_processors >= nr_cpu_ids) {
int thiscpu = max + disabled_cpus;
- if (enabled) {
- pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
- "reached. Processor %d/0x%x ignored.\n",
- max, thiscpu, apicid);
- }
+ pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
+ "reached. Processor %d/0x%x ignored.\n",
+ max, thiscpu, apicid);
disabled_cpus++;
return -EINVAL;
apic->x86_32_early_logical_apicid(cpu);
#endif
set_cpu_possible(cpu, true);
-
- if (enabled) {
- num_processors++;
- physid_set(apicid, phys_cpu_present_map);
- set_cpu_present(cpu, true);
- } else {
- disabled_cpus++;
- }
+ physid_set(apicid, phys_cpu_present_map);
+ set_cpu_present(cpu, true);
+ num_processors++;
return cpu;
}
-int generic_processor_info(int apicid, int version)
-{
- return __generic_processor_info(apicid, version, true);
-}
-
int hard_smp_processor_id(void)
{
return read_apic_id();
if (atomic_dec_and_test(&rdtgrp->waitcount) &&
(rdtgrp->flags & RDT_DELETED)) {
kernfs_unbreak_active_protection(kn);
- kernfs_put(kn);
+ kernfs_put(rdtgrp->kn);
kfree(rdtgrp);
} else {
kernfs_unbreak_active_protection(kn);
* Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
*/
+#define DISABLE_BRANCH_PROFILING
#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/types.h>
spin_lock_irqsave(&desc->lock, flags);
/*
- * most handlers of type NMI_UNKNOWN never return because
- * they just assume the NMI is theirs. Just a sanity check
- * to manage expectations
+ * Indicate if there are multiple registrations on the
+ * internal NMI handler call chains (SERR and IO_CHECK).
*/
- WARN_ON_ONCE(type == NMI_UNKNOWN && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_SERR && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_IO_CHECK && !list_empty(&desc->head));
* the refined calibration and directly register it as a clocksource.
*/
if (boot_cpu_has(X86_FEATURE_TSC_KNOWN_FREQ)) {
+ if (boot_cpu_has(X86_FEATURE_ART))
+ art_related_clocksource = &clocksource_tsc;
clocksource_register_khz(&clocksource_tsc, tsc_khz);
return 0;
}
return sizeof(*regs);
}
+#ifdef CONFIG_X86_32
+#define GCC_REALIGN_WORDS 3
+#else
+#define GCC_REALIGN_WORDS 1
+#endif
+
static bool is_last_task_frame(struct unwind_state *state)
{
- unsigned long bp = (unsigned long)state->bp;
- unsigned long regs = (unsigned long)task_pt_regs(state->task);
+ unsigned long *last_bp = (unsigned long *)task_pt_regs(state->task) - 2;
+ unsigned long *aligned_bp = last_bp - GCC_REALIGN_WORDS;
/*
* We have to check for the last task frame at two different locations
* because gcc can occasionally decide to realign the stack pointer and
- * change the offset of the stack frame by a word in the prologue of a
- * function called by head/entry code.
+ * change the offset of the stack frame in the prologue of a function
+ * called by head/entry code. Examples:
+ *
+ * <start_secondary>:
+ * push %edi
+ * lea 0x8(%esp),%edi
+ * and $0xfffffff8,%esp
+ * pushl -0x4(%edi)
+ * push %ebp
+ * mov %esp,%ebp
+ *
+ * <x86_64_start_kernel>:
+ * lea 0x8(%rsp),%r10
+ * and $0xfffffffffffffff0,%rsp
+ * pushq -0x8(%r10)
+ * push %rbp
+ * mov %rsp,%rbp
+ *
+ * Note that after aligning the stack, it pushes a duplicate copy of
+ * the return address before pushing the frame pointer.
*/
- return bp == regs - FRAME_HEADER_SIZE ||
- bp == regs - FRAME_HEADER_SIZE - sizeof(long);
+ return (state->bp == last_bp ||
+ (state->bp == aligned_bp && *(aligned_bp+1) == *(last_bp+1)));
}
/*
+#define DISABLE_BRANCH_PROFILING
#define pr_fmt(fmt) "kasan: " fmt
#include <linux/bootmem.h>
#include <linux/kasan.h>
* we might run off the end of the bounds table if we are on
* a 64-bit kernel and try to get 8 bytes.
*/
-int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
+static int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
long __user *bd_entry_ptr)
{
u32 bd_entry_32;
obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_tca6416.o
# MISC Devices
obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o
+obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_mrfld_power_btn.o
obj-$(subst m,y,$(CONFIG_RTC_DRV_CMOS)) += platform_mrfld_rtc.o
obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_mrfld_wdt.o
--- /dev/null
+/*
+ * Intel Merrifield power button support
+ *
+ * (C) Copyright 2017 Intel Corporation
+ *
+ * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/sfi.h>
+
+#include <asm/intel-mid.h>
+#include <asm/intel_scu_ipc.h>
+
+static struct resource mrfld_power_btn_resources[] = {
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mrfld_power_btn_dev = {
+ .name = "msic_power_btn",
+ .id = PLATFORM_DEVID_NONE,
+ .num_resources = ARRAY_SIZE(mrfld_power_btn_resources),
+ .resource = mrfld_power_btn_resources,
+};
+
+static int mrfld_power_btn_scu_status_change(struct notifier_block *nb,
+ unsigned long code, void *data)
+{
+ if (code == SCU_DOWN) {
+ platform_device_unregister(&mrfld_power_btn_dev);
+ return 0;
+ }
+
+ return platform_device_register(&mrfld_power_btn_dev);
+}
+
+static struct notifier_block mrfld_power_btn_scu_notifier = {
+ .notifier_call = mrfld_power_btn_scu_status_change,
+};
+
+static int __init register_mrfld_power_btn(void)
+{
+ if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)
+ return -ENODEV;
+
+ /*
+ * We need to be sure that the SCU IPC is ready before
+ * PMIC power button device can be registered:
+ */
+ intel_scu_notifier_add(&mrfld_power_btn_scu_notifier);
+
+ return 0;
+}
+arch_initcall(register_mrfld_power_btn);
+
+static void __init *mrfld_power_btn_platform_data(void *info)
+{
+ struct resource *res = mrfld_power_btn_resources;
+ struct sfi_device_table_entry *pentry = info;
+
+ res->start = res->end = pentry->irq;
+ return NULL;
+}
+
+static const struct devs_id mrfld_power_btn_dev_id __initconst = {
+ .name = "bcove_power_btn",
+ .type = SFI_DEV_TYPE_IPC,
+ .delay = 1,
+ .msic = 1,
+ .get_platform_data = &mrfld_power_btn_platform_data,
+};
+
+sfi_device(mrfld_power_btn_dev_id);
#include <asm/intel_scu_ipc.h>
#include <asm/io_apic.h>
-#define TANGIER_EXT_TIMER0_MSI 15
+#define TANGIER_EXT_TIMER0_MSI 12
static struct platform_device wdt_dev = {
.name = "intel_mid_wdt",
#include "intel_mid_weak_decls.h"
-static void penwell_arch_setup(void);
-/* penwell arch ops */
-static struct intel_mid_ops penwell_ops = {
- .arch_setup = penwell_arch_setup,
-};
-
-static void mfld_power_off(void)
-{
-}
-
static unsigned long __init mfld_calibrate_tsc(void)
{
unsigned long fast_calibrate;
static void __init penwell_arch_setup(void)
{
x86_platform.calibrate_tsc = mfld_calibrate_tsc;
- pm_power_off = mfld_power_off;
}
+static struct intel_mid_ops penwell_ops = {
+ .arch_setup = penwell_arch_setup,
+};
+
void *get_penwell_ops(void)
{
return &penwell_ops;
bio_list_init(&punt);
bio_list_init(&nopunt);
- while ((bio = bio_list_pop(current->bio_list)))
+ while ((bio = bio_list_pop(¤t->bio_list[0])))
bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio);
+ current->bio_list[0] = nopunt;
- *current->bio_list = nopunt;
+ bio_list_init(&nopunt);
+ while ((bio = bio_list_pop(¤t->bio_list[1])))
+ bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio);
+ current->bio_list[1] = nopunt;
spin_lock(&bs->rescue_lock);
bio_list_merge(&bs->rescue_list, &punt);
* we retry with the original gfp_flags.
*/
- if (current->bio_list && !bio_list_empty(current->bio_list))
+ if (current->bio_list &&
+ (!bio_list_empty(¤t->bio_list[0]) ||
+ !bio_list_empty(¤t->bio_list[1])))
gfp_mask &= ~__GFP_DIRECT_RECLAIM;
p = mempool_alloc(bs->bio_pool, gfp_mask);
*/
blk_qc_t generic_make_request(struct bio *bio)
{
- struct bio_list bio_list_on_stack;
+ /*
+ * bio_list_on_stack[0] contains bios submitted by the current
+ * make_request_fn.
+ * bio_list_on_stack[1] contains bios that were submitted before
+ * the current make_request_fn, but that haven't been processed
+ * yet.
+ */
+ struct bio_list bio_list_on_stack[2];
blk_qc_t ret = BLK_QC_T_NONE;
if (!generic_make_request_checks(bio))
* should be added at the tail
*/
if (current->bio_list) {
- bio_list_add(current->bio_list, bio);
+ bio_list_add(¤t->bio_list[0], bio);
goto out;
}
* bio_list, and call into ->make_request() again.
*/
BUG_ON(bio->bi_next);
- bio_list_init(&bio_list_on_stack);
- current->bio_list = &bio_list_on_stack;
+ bio_list_init(&bio_list_on_stack[0]);
+ current->bio_list = bio_list_on_stack;
do {
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
if (likely(blk_queue_enter(q, false) == 0)) {
- struct bio_list hold;
struct bio_list lower, same;
/* Create a fresh bio_list for all subordinate requests */
- hold = bio_list_on_stack;
- bio_list_init(&bio_list_on_stack);
+ bio_list_on_stack[1] = bio_list_on_stack[0];
+ bio_list_init(&bio_list_on_stack[0]);
ret = q->make_request_fn(q, bio);
blk_queue_exit(q);
*/
bio_list_init(&lower);
bio_list_init(&same);
- while ((bio = bio_list_pop(&bio_list_on_stack)) != NULL)
+ while ((bio = bio_list_pop(&bio_list_on_stack[0])) != NULL)
if (q == bdev_get_queue(bio->bi_bdev))
bio_list_add(&same, bio);
else
bio_list_add(&lower, bio);
/* now assemble so we handle the lowest level first */
- bio_list_merge(&bio_list_on_stack, &lower);
- bio_list_merge(&bio_list_on_stack, &same);
- bio_list_merge(&bio_list_on_stack, &hold);
+ bio_list_merge(&bio_list_on_stack[0], &lower);
+ bio_list_merge(&bio_list_on_stack[0], &same);
+ bio_list_merge(&bio_list_on_stack[0], &bio_list_on_stack[1]);
} else {
bio_io_error(bio);
}
- bio = bio_list_pop(current->bio_list);
+ bio = bio_list_pop(&bio_list_on_stack[0]);
} while (bio);
current->bio_list = NULL; /* deactivate */
for (i = 0; i < set->nr_hw_queues; i++) {
struct blk_mq_tags *tags = set->tags[i];
+ if (!tags)
+ continue;
+
for (j = 0; j < tags->nr_tags; j++) {
if (!tags->static_rqs[j])
continue;
return blk_tag_to_qc_t(rq->internal_tag, hctx->queue_num, true);
}
-static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie)
+static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie,
+ bool may_sleep)
{
struct request_queue *q = rq->q;
struct blk_mq_queue_data bd = {
}
insert:
- blk_mq_sched_insert_request(rq, false, true, true, false);
+ blk_mq_sched_insert_request(rq, false, true, false, may_sleep);
}
/*
if (!(data.hctx->flags & BLK_MQ_F_BLOCKING)) {
rcu_read_lock();
- blk_mq_try_issue_directly(old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie, false);
rcu_read_unlock();
} else {
srcu_idx = srcu_read_lock(&data.hctx->queue_rq_srcu);
- blk_mq_try_issue_directly(old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie, true);
srcu_read_unlock(&data.hctx->queue_rq_srcu, srcu_idx);
}
goto done;
void __weak arch_unregister_cpu(int cpu) {}
-int __weak acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
-{
- return -ENODEV;
-}
-
static int acpi_processor_hotadd_init(struct acpi_processor *pr)
{
unsigned long long sta;
pr->acpi_id = value;
}
+ if (acpi_duplicate_processor_id(pr->acpi_id)) {
+ dev_err(&device->dev,
+ "Failed to get unique processor _UID (0x%x)\n",
+ pr->acpi_id);
+ return -ENODEV;
+ }
+
pr->phys_id = acpi_get_phys_id(pr->handle, device_declaration,
pr->acpi_id);
if (invalid_phys_cpuid(pr->phys_id))
static int nr_unique_ids __initdata;
/* The number of the duplicate processor IDs */
-static int nr_duplicate_ids __initdata;
+static int nr_duplicate_ids;
/* Used to store the unique processor IDs */
static int unique_processor_ids[] __initdata = {
};
/* Used to store the duplicate processor IDs */
-static int duplicate_processor_ids[] __initdata = {
+static int duplicate_processor_ids[] = {
[0 ... NR_CPUS - 1] = -1,
};
void **rv)
{
acpi_status status;
+ acpi_object_type acpi_type;
+ unsigned long long uid;
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+ status = acpi_get_type(handle, &acpi_type);
if (ACPI_FAILURE(status))
- acpi_handle_info(handle, "Not get the processor object\n");
- else
- processor_validated_ids_update(object.processor.proc_id);
+ return false;
+
+ switch (acpi_type) {
+ case ACPI_TYPE_PROCESSOR:
+ status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status))
+ goto err;
+ uid = object.processor.proc_id;
+ break;
+
+ case ACPI_TYPE_DEVICE:
+ status = acpi_evaluate_integer(handle, "_UID", NULL, &uid);
+ if (ACPI_FAILURE(status))
+ goto err;
+ break;
+ default:
+ goto err;
+ }
+
+ processor_validated_ids_update(uid);
+ return true;
+
+err:
+ acpi_handle_info(handle, "Invalid processor object\n");
+ return false;
- return AE_OK;
}
-static void __init acpi_processor_check_duplicates(void)
+void __init acpi_processor_check_duplicates(void)
{
- /* Search all processor nodes in ACPI namespace */
+ /* check the correctness for all processors in ACPI namespace */
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_processor_ids_walk,
NULL, NULL, NULL);
+ acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID, acpi_processor_ids_walk,
+ NULL, NULL);
}
-bool __init acpi_processor_validate_proc_id(int proc_id)
+bool acpi_duplicate_processor_id(int proc_id)
{
int i;
acpi_wakeup_device_init();
acpi_debugger_init();
acpi_setup_sb_notify_handler();
- acpi_set_processor_mapping();
return 0;
}
}
static int map_lapic_id(struct acpi_subtable_header *entry,
- u32 acpi_id, phys_cpuid_t *apic_id, bool ignore_disabled)
+ u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_apic *lapic =
container_of(entry, struct acpi_madt_local_apic, header);
- if (ignore_disabled && !(lapic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (lapic->processor_id != acpi_id)
}
static int map_x2apic_id(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_x2apic *apic =
container_of(entry, struct acpi_madt_local_x2apic, header);
- if (ignore_disabled && !(apic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (device_declaration && (apic->uid == acpi_id)) {
}
static int map_lsapic_id(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_sapic *lsapic =
container_of(entry, struct acpi_madt_local_sapic, header);
- if (ignore_disabled && !(lsapic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (device_declaration) {
* Retrieve the ARM CPU physical identifier (MPIDR)
*/
static int map_gicc_mpidr(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr)
{
struct acpi_madt_generic_interrupt *gicc =
container_of(entry, struct acpi_madt_generic_interrupt, header);
- if (ignore_disabled && !(gicc->flags & ACPI_MADT_ENABLED))
+ if (!(gicc->flags & ACPI_MADT_ENABLED))
return -ENODEV;
/* device_declaration means Device object in DSDT, in the
}
static phys_cpuid_t map_madt_entry(struct acpi_table_madt *madt,
- int type, u32 acpi_id, bool ignore_disabled)
+ int type, u32 acpi_id)
{
unsigned long madt_end, entry;
phys_cpuid_t phys_id = PHYS_CPUID_INVALID; /* CPU hardware ID */
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- if (!map_lapic_id(header, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_lapic_id(header, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
- if (!map_x2apic_id(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_x2apic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
- if (!map_lsapic_id(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_lsapic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
- if (!map_gicc_mpidr(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_gicc_mpidr(header, type, acpi_id, &phys_id))
break;
}
entry += header->length;
if (!madt)
return PHYS_CPUID_INVALID;
- rv = map_madt_entry(madt, 1, acpi_id, true);
+ rv = map_madt_entry(madt, 1, acpi_id);
acpi_put_table((struct acpi_table_header *)madt);
return rv;
}
-static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id,
- bool ignore_disabled)
+static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
header = (struct acpi_subtable_header *)obj->buffer.pointer;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC)
- map_lapic_id(header, acpi_id, &phys_id, ignore_disabled);
+ map_lapic_id(header, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC)
- map_lsapic_id(header, type, acpi_id, &phys_id, ignore_disabled);
+ map_lsapic_id(header, type, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC)
- map_x2apic_id(header, type, acpi_id, &phys_id, ignore_disabled);
+ map_x2apic_id(header, type, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT)
- map_gicc_mpidr(header, type, acpi_id, &phys_id,
- ignore_disabled);
+ map_gicc_mpidr(header, type, acpi_id, &phys_id);
exit:
kfree(buffer.pointer);
return phys_id;
}
-static phys_cpuid_t __acpi_get_phys_id(acpi_handle handle, int type,
- u32 acpi_id, bool ignore_disabled)
+phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
{
phys_cpuid_t phys_id;
- phys_id = map_mat_entry(handle, type, acpi_id, ignore_disabled);
+ phys_id = map_mat_entry(handle, type, acpi_id);
if (invalid_phys_cpuid(phys_id))
- phys_id = map_madt_entry(get_madt_table(), type, acpi_id,
- ignore_disabled);
+ phys_id = map_madt_entry(get_madt_table(), type, acpi_id);
return phys_id;
}
-phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
-{
- return __acpi_get_phys_id(handle, type, acpi_id, true);
-}
-
int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id)
{
#ifdef CONFIG_SMP
}
EXPORT_SYMBOL_GPL(acpi_get_cpuid);
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-static bool __init
-map_processor(acpi_handle handle, phys_cpuid_t *phys_id, int *cpuid)
-{
- int type, id;
- u32 acpi_id;
- acpi_status status;
- acpi_object_type acpi_type;
- unsigned long long tmp;
- union acpi_object object = { 0 };
- struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
-
- status = acpi_get_type(handle, &acpi_type);
- if (ACPI_FAILURE(status))
- return false;
-
- switch (acpi_type) {
- case ACPI_TYPE_PROCESSOR:
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = object.processor.proc_id;
-
- /* validate the acpi_id */
- if(acpi_processor_validate_proc_id(acpi_id))
- return false;
- break;
- case ACPI_TYPE_DEVICE:
- status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = tmp;
- break;
- default:
- return false;
- }
-
- type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
-
- *phys_id = __acpi_get_phys_id(handle, type, acpi_id, false);
- id = acpi_map_cpuid(*phys_id, acpi_id);
-
- if (id < 0)
- return false;
- *cpuid = id;
- return true;
-}
-
-static acpi_status __init
-set_processor_node_mapping(acpi_handle handle, u32 lvl, void *context,
- void **rv)
-{
- phys_cpuid_t phys_id;
- int cpu_id;
-
- if (!map_processor(handle, &phys_id, &cpu_id))
- return AE_ERROR;
-
- acpi_map_cpu2node(handle, cpu_id, phys_id);
- return AE_OK;
-}
-
-void __init acpi_set_processor_mapping(void)
-{
- /* Set persistent cpu <-> node mapping for all processors. */
- acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, set_processor_node_mapping,
- NULL, NULL, NULL);
-}
-#else
-void __init acpi_set_processor_mapping(void) {}
-#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
static int get_ioapic_id(struct acpi_subtable_header *entry, u32 gsi_base,
u64 *phys_addr, int *ioapic_id)
return restart_syscall();
}
-void assert_held_device_hotplug(void)
-{
- lockdep_assert_held(&device_hotplug_lock);
-}
-
#ifdef CONFIG_BLOCK
static inline int device_is_not_partition(struct device *dev)
{
config BT_QCOMSMD
tristate "Qualcomm SMD based HCI support"
- depends on (QCOM_SMD && QCOM_WCNSS_CTRL) || COMPILE_TEST
+ depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n)
+ depends on QCOM_WCNSS_CTRL || (COMPILE_TEST && QCOM_WCNSS_CTRL=n)
select BT_QCA
help
Qualcomm SMD based HCI driver.
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/atmel_tc.h>
-#include <linux/sched_clock.h>
/*
return (upper << 16) | lower;
}
-static u32 tc_get_cv32(void)
-{
- return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV));
-}
-
static u64 tc_get_cycles32(struct clocksource *cs)
{
- return tc_get_cv32();
+ return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV));
}
static struct clocksource clksrc = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static u64 notrace tc_read_sched_clock(void)
-{
- return tc_get_cv32();
-}
-
#ifdef CONFIG_GENERIC_CLOCKEVENTS
struct tc_clkevt_device {
clksrc.read = tc_get_cycles32;
/* setup ony channel 0 */
tcb_setup_single_chan(tc, best_divisor_idx);
-
- /* register sched_clock on chips with single 32 bit counter */
- sched_clock_register(tc_read_sched_clock, 32, divided_rate);
} else {
/* tclib will give us three clocks no matter what the
* underlying platform supports.
char *buf)
{
unsigned int cur_freq = __cpufreq_get(policy);
- if (!cur_freq)
- return sprintf(buf, "<unknown>");
- return sprintf(buf, "%u\n", cur_freq);
+
+ if (cur_freq)
+ return sprintf(buf, "%u\n", cur_freq);
+
+ return sprintf(buf, "<unknown>\n");
}
/**
return div64_u64(x << EXT_FRAC_BITS, y);
}
+static inline int32_t percent_ext_fp(int percent)
+{
+ return div_ext_fp(percent, 100);
+}
+
/**
* struct sample - Store performance sample
* @core_avg_perf: Ratio of APERF/MPERF which is the actual average
static void intel_pstate_hwp_set(struct cpufreq_policy *policy)
{
- int min, hw_min, max, hw_max, cpu, range, adj_range;
+ int min, hw_min, max, hw_max, cpu;
struct perf_limits *perf_limits = limits;
u64 value, cap;
for_each_cpu(cpu, policy->cpus) {
- int max_perf_pct, min_perf_pct;
struct cpudata *cpu_data = all_cpu_data[cpu];
s16 epp;
hw_max = HWP_GUARANTEED_PERF(cap);
else
hw_max = HWP_HIGHEST_PERF(cap);
- range = hw_max - hw_min;
- max_perf_pct = perf_limits->max_perf_pct;
- min_perf_pct = perf_limits->min_perf_pct;
+ min = fp_ext_toint(hw_max * perf_limits->min_perf);
rdmsrl_on_cpu(cpu, MSR_HWP_REQUEST, &value);
- adj_range = min_perf_pct * range / 100;
- min = hw_min + adj_range;
+
value &= ~HWP_MIN_PERF(~0L);
value |= HWP_MIN_PERF(min);
- adj_range = max_perf_pct * range / 100;
- max = hw_min + adj_range;
-
+ max = fp_ext_toint(hw_max * perf_limits->max_perf);
value &= ~HWP_MAX_PERF(~0L);
value |= HWP_MAX_PERF(max);
static int pid_param_set(void *data, u64 val)
{
*(u32 *)data = val;
+ pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC;
intel_pstate_reset_all_pid();
return 0;
}
limits->max_perf_pct);
limits->max_perf_pct = max(limits->min_perf_pct,
limits->max_perf_pct);
- limits->max_perf = div_ext_fp(limits->max_perf_pct, 100);
+ limits->max_perf = percent_ext_fp(limits->max_perf_pct);
intel_pstate_update_policies();
limits->min_perf_pct);
limits->min_perf_pct = min(limits->max_perf_pct,
limits->min_perf_pct);
- limits->min_perf = div_ext_fp(limits->min_perf_pct, 100);
+ limits->min_perf = percent_ext_fp(limits->min_perf_pct);
intel_pstate_update_policies();
static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy,
struct perf_limits *limits)
{
+ int32_t max_policy_perf, min_policy_perf;
- limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100,
- policy->cpuinfo.max_freq);
- limits->max_policy_pct = clamp_t(int, limits->max_policy_pct, 0, 100);
+ max_policy_perf = div_ext_fp(policy->max, policy->cpuinfo.max_freq);
+ max_policy_perf = clamp_t(int32_t, max_policy_perf, 0, int_ext_tofp(1));
if (policy->max == policy->min) {
- limits->min_policy_pct = limits->max_policy_pct;
+ min_policy_perf = max_policy_perf;
} else {
- limits->min_policy_pct = DIV_ROUND_UP(policy->min * 100,
- policy->cpuinfo.max_freq);
- limits->min_policy_pct = clamp_t(int, limits->min_policy_pct,
- 0, 100);
+ min_policy_perf = div_ext_fp(policy->min,
+ policy->cpuinfo.max_freq);
+ min_policy_perf = clamp_t(int32_t, min_policy_perf,
+ 0, max_policy_perf);
}
- /* Normalize user input to [min_policy_pct, max_policy_pct] */
- limits->min_perf_pct = max(limits->min_policy_pct,
- limits->min_sysfs_pct);
- limits->min_perf_pct = min(limits->max_policy_pct,
- limits->min_perf_pct);
- limits->max_perf_pct = min(limits->max_policy_pct,
- limits->max_sysfs_pct);
- limits->max_perf_pct = max(limits->min_policy_pct,
- limits->max_perf_pct);
+ /* Normalize user input to [min_perf, max_perf] */
+ limits->min_perf = max(min_policy_perf,
+ percent_ext_fp(limits->min_sysfs_pct));
+ limits->min_perf = min(limits->min_perf, max_policy_perf);
+ limits->max_perf = min(max_policy_perf,
+ percent_ext_fp(limits->max_sysfs_pct));
+ limits->max_perf = max(min_policy_perf, limits->max_perf);
- /* Make sure min_perf_pct <= max_perf_pct */
- limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct);
+ /* Make sure min_perf <= max_perf */
+ limits->min_perf = min(limits->min_perf, limits->max_perf);
- limits->min_perf = div_ext_fp(limits->min_perf_pct, 100);
- limits->max_perf = div_ext_fp(limits->max_perf_pct, 100);
limits->max_perf = round_up(limits->max_perf, EXT_FRAC_BITS);
limits->min_perf = round_up(limits->min_perf, EXT_FRAC_BITS);
+ limits->max_perf_pct = fp_ext_toint(limits->max_perf * 100);
+ limits->min_perf_pct = fp_ext_toint(limits->min_perf * 100);
pr_debug("cpu:%d max_perf_pct:%d min_perf_pct:%d\n", policy->cpu,
limits->max_perf_pct, limits->min_perf_pct);
int rc = VM_FAULT_SIGBUS;
phys_addr_t phys;
pfn_t pfn;
+ unsigned int fault_size = PAGE_SIZE;
if (check_vma(dax_dev, vmf->vma, __func__))
return VM_FAULT_SIGBUS;
return VM_FAULT_SIGBUS;
}
+ if (fault_size != dax_region->align)
+ return VM_FAULT_SIGBUS;
+
phys = pgoff_to_phys(dax_dev, vmf->pgoff, PAGE_SIZE);
if (phys == -1) {
- dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__,
+ dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__,
vmf->pgoff);
return VM_FAULT_SIGBUS;
}
phys_addr_t phys;
pgoff_t pgoff;
pfn_t pfn;
+ unsigned int fault_size = PMD_SIZE;
if (check_vma(dax_dev, vmf->vma, __func__))
return VM_FAULT_SIGBUS;
return VM_FAULT_SIGBUS;
}
+ if (fault_size < dax_region->align)
+ return VM_FAULT_SIGBUS;
+ else if (fault_size > dax_region->align)
+ return VM_FAULT_FALLBACK;
+
+ /* if we are outside of the VMA */
+ if (pmd_addr < vmf->vma->vm_start ||
+ (pmd_addr + PMD_SIZE) > vmf->vma->vm_end)
+ return VM_FAULT_SIGBUS;
+
pgoff = linear_page_index(vmf->vma, pmd_addr);
phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE);
if (phys == -1) {
- dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__,
+ dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__,
pgoff);
return VM_FAULT_SIGBUS;
}
phys_addr_t phys;
pgoff_t pgoff;
pfn_t pfn;
+ unsigned int fault_size = PUD_SIZE;
+
if (check_vma(dax_dev, vmf->vma, __func__))
return VM_FAULT_SIGBUS;
return VM_FAULT_SIGBUS;
}
+ if (fault_size < dax_region->align)
+ return VM_FAULT_SIGBUS;
+ else if (fault_size > dax_region->align)
+ return VM_FAULT_FALLBACK;
+
+ /* if we are outside of the VMA */
+ if (pud_addr < vmf->vma->vm_start ||
+ (pud_addr + PUD_SIZE) > vmf->vma->vm_end)
+ return VM_FAULT_SIGBUS;
+
pgoff = linear_page_index(vmf->vma, pud_addr);
phys = pgoff_to_phys(dax_dev, pgoff, PUD_SIZE);
if (phys == -1) {
- dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__,
+ dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__,
pgoff);
return VM_FAULT_SIGBUS;
}
gpio->regmap = a10sr->regmap;
gpio->gp = altr_a10sr_gc;
-
+ gpio->gp.parent = pdev->dev.parent;
gpio->gp.of_node = pdev->dev.of_node;
ret = devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);
altera_gc = gpiochip_get_data(irq_data_get_irq_chip_data(d));
- if (type == IRQ_TYPE_NONE)
+ if (type == IRQ_TYPE_NONE) {
+ irq_set_handler_locked(d, handle_bad_irq);
return 0;
- if (type == IRQ_TYPE_LEVEL_HIGH &&
- altera_gc->interrupt_trigger == IRQ_TYPE_LEVEL_HIGH)
- return 0;
- if (type == IRQ_TYPE_EDGE_RISING &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_RISING)
- return 0;
- if (type == IRQ_TYPE_EDGE_FALLING &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_FALLING)
- return 0;
- if (type == IRQ_TYPE_EDGE_BOTH &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_BOTH)
+ }
+ if (type == altera_gc->interrupt_trigger) {
+ if (type == IRQ_TYPE_LEVEL_HIGH)
+ irq_set_handler_locked(d, handle_level_irq);
+ else
+ irq_set_handler_locked(d, handle_simple_irq);
return 0;
-
+ }
+ irq_set_handler_locked(d, handle_bad_irq);
return -EINVAL;
}
chained_irq_exit(chip, desc);
}
-
static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc)
{
struct altera_gpio_chip *altera_gc;
altera_gc->interrupt_trigger = reg;
ret = gpiochip_irqchip_add(&altera_gc->mmchip.gc, &altera_irq_chip, 0,
- handle_simple_irq, IRQ_TYPE_NONE);
+ handle_bad_irq, IRQ_TYPE_NONE);
if (ret) {
dev_err(&pdev->dev, "could not add irqchip\n");
static irqreturn_t mcp23s08_irq(int irq, void *data)
{
struct mcp23s08 *mcp = data;
- int intcap, intf, i;
+ int intcap, intf, i, gpio, gpio_orig, intcap_mask;
unsigned int child_irq;
+ bool intf_set, intcap_changed, gpio_bit_changed,
+ defval_changed, gpio_set;
mutex_lock(&mcp->lock);
if (mcp_read(mcp, MCP_INTF, &intf) < 0) {
}
mcp->cache[MCP_INTCAP] = intcap;
+
+ /* This clears the interrupt(configurable on S18) */
+ if (mcp_read(mcp, MCP_GPIO, &gpio) < 0) {
+ mutex_unlock(&mcp->lock);
+ return IRQ_HANDLED;
+ }
+ gpio_orig = mcp->cache[MCP_GPIO];
+ mcp->cache[MCP_GPIO] = gpio;
mutex_unlock(&mcp->lock);
+ if (mcp->cache[MCP_INTF] == 0) {
+ /* There is no interrupt pending */
+ return IRQ_HANDLED;
+ }
+
+ dev_dbg(mcp->chip.parent,
+ "intcap 0x%04X intf 0x%04X gpio_orig 0x%04X gpio 0x%04X\n",
+ intcap, intf, gpio_orig, gpio);
for (i = 0; i < mcp->chip.ngpio; i++) {
- if ((BIT(i) & mcp->cache[MCP_INTF]) &&
- ((BIT(i) & intcap & mcp->irq_rise) ||
- (mcp->irq_fall & ~intcap & BIT(i)) ||
- (BIT(i) & mcp->cache[MCP_INTCON]))) {
+ /* We must check all of the inputs on the chip,
+ * otherwise we may not notice a change on >=2 pins.
+ *
+ * On at least the mcp23s17, INTCAP is only updated
+ * one byte at a time(INTCAPA and INTCAPB are
+ * not written to at the same time - only on a per-bank
+ * basis).
+ *
+ * INTF only contains the single bit that caused the
+ * interrupt per-bank. On the mcp23s17, there is
+ * INTFA and INTFB. If two pins are changed on the A
+ * side at the same time, INTF will only have one bit
+ * set. If one pin on the A side and one pin on the B
+ * side are changed at the same time, INTF will have
+ * two bits set. Thus, INTF can't be the only check
+ * to see if the input has changed.
+ */
+
+ intf_set = BIT(i) & mcp->cache[MCP_INTF];
+ if (i < 8 && intf_set)
+ intcap_mask = 0x00FF;
+ else if (i >= 8 && intf_set)
+ intcap_mask = 0xFF00;
+ else
+ intcap_mask = 0x00;
+
+ intcap_changed = (intcap_mask &
+ (BIT(i) & mcp->cache[MCP_INTCAP])) !=
+ (intcap_mask & (BIT(i) & gpio_orig));
+ gpio_set = BIT(i) & mcp->cache[MCP_GPIO];
+ gpio_bit_changed = (BIT(i) & gpio_orig) !=
+ (BIT(i) & mcp->cache[MCP_GPIO]);
+ defval_changed = (BIT(i) & mcp->cache[MCP_INTCON]) &&
+ ((BIT(i) & mcp->cache[MCP_GPIO]) !=
+ (BIT(i) & mcp->cache[MCP_DEFVAL]));
+
+ if (((gpio_bit_changed || intcap_changed) &&
+ (BIT(i) & mcp->irq_rise) && gpio_set) ||
+ ((gpio_bit_changed || intcap_changed) &&
+ (BIT(i) & mcp->irq_fall) && !gpio_set) ||
+ defval_changed) {
child_irq = irq_find_mapping(mcp->chip.irqdomain, i);
handle_nested_irq(child_irq);
}
struct seq_file *sfile;
struct gpio_desc *desc;
struct gpio_chip *gc;
- int status, val;
+ int val;
char buf;
sfile = file->private_data;
chip = priv->chip;
gc = &chip->gc;
- status = copy_from_user(&buf, usr_buf, 1);
- if (status)
- return status;
+ if (copy_from_user(&buf, usr_buf, 1))
+ return -EFAULT;
if (buf == '0')
val = 0;
struct gpio_chip chip;
void __iomem *base;
spinlock_t lock;
-#ifdef CONFIG_PM
u32 set_dr_val[XGENE_MAX_GPIO_BANKS];
-#endif
};
static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset)
return 0;
}
-#ifdef CONFIG_PM
-static int xgene_gpio_suspend(struct device *dev)
+static __maybe_unused int xgene_gpio_suspend(struct device *dev)
{
struct xgene_gpio *gpio = dev_get_drvdata(dev);
unsigned long bank_offset;
return 0;
}
-static int xgene_gpio_resume(struct device *dev)
+static __maybe_unused int xgene_gpio_resume(struct device *dev)
{
struct xgene_gpio *gpio = dev_get_drvdata(dev);
unsigned long bank_offset;
}
static SIMPLE_DEV_PM_OPS(xgene_gpio_pm, xgene_gpio_suspend, xgene_gpio_resume);
-#define XGENE_GPIO_PM_OPS (&xgene_gpio_pm)
-#else
-#define XGENE_GPIO_PM_OPS NULL
-#endif
static int xgene_gpio_probe(struct platform_device *pdev)
{
.name = "xgene-gpio",
.of_match_table = xgene_gpio_of_match,
.acpi_match_table = ACPI_PTR(xgene_gpio_acpi_match),
- .pm = XGENE_GPIO_PM_OPS,
+ .pm = &xgene_gpio_pm,
},
.probe = xgene_gpio_probe,
};
# of AMDSOC/AMDGPU drm driver.
# It provides the HW control for ACP related functionalities.
-subdir-ccflags-y += -I$(AMDACPPATH)/ -I$(AMDACPPATH)/include
-
AMD_ACP_FILES := $(AMDACPPATH)/acp_hw.o
for (; i >= 0; i--)
drm_free_large(p->chunks[i].kdata);
kfree(p->chunks);
+ p->chunks = NULL;
+ p->nchunks = 0;
put_ctx:
amdgpu_ctx_put(p->ctx);
free_chunk:
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
(adev->pdev->device == 0x6667)) {
max_sclk = 75000;
}
+ } else if (adev->asic_type == CHIP_OLAND) {
+ if ((adev->pdev->device == 0x6604) &&
+ (adev->pdev->subsystem_vendor == 0x1028) &&
+ (adev->pdev->subsystem_device == 0x066F)) {
+ max_sclk = 75000;
+ }
}
if (rps->vce_active) {
/* rev0 hardware requires workarounds to support PG */
adev->pg_flags = 0;
if (adev->rev_id != 0x00) {
- adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
+ adev->pg_flags |=
AMD_PG_SUPPORT_GFX_SMG |
AMD_PG_SUPPORT_GFX_PIPELINE |
AMD_PG_SUPPORT_CP |
if (bgate) {
cgs_set_powergating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
- AMD_PG_STATE_UNGATE);
+ AMD_PG_STATE_GATE);
cgs_set_clockgating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_GATE);
clk_prepare_enable(hwdev->pxlclk);
- /* mclk needs to be set to the same or higher rate than pxlclk */
- clk_set_rate(hwdev->mclk, crtc->state->adjusted_mode.crtc_clock * 1000);
+ /* We rely on firmware to set mclk to a sensible level. */
clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000);
hwdev->modeset(hwdev, &vm);
{ DE_VIDEO1, MALIDP550_DE_LV1_BASE, MALIDP550_DE_LV1_PTR_BASE, MALIDP_DE_LV_STRIDE0 },
{ DE_GRAPHICS1, MALIDP550_DE_LG_BASE, MALIDP550_DE_LG_PTR_BASE, MALIDP_DE_LG_STRIDE },
{ DE_VIDEO2, MALIDP550_DE_LV2_BASE, MALIDP550_DE_LV2_PTR_BASE, MALIDP_DE_LV_STRIDE0 },
- { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, 0 },
+ { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, MALIDP550_DE_LS_R1_STRIDE },
};
#define MALIDP_DE_DEFAULT_PREFETCH_START 5
#define LAYER_V_VAL(x) (((x) & 0x1fff) << 16)
#define MALIDP_LAYER_COMP_SIZE 0x010
#define MALIDP_LAYER_OFFSET 0x014
+#define MALIDP550_LS_ENABLE 0x01c
+#define MALIDP550_LS_R1_IN_SIZE 0x020
/*
* This 4-entry look-up-table is used to determine the full 8-bit alpha value
LAYER_V_VAL(plane->state->crtc_y),
mp->layer->base + MALIDP_LAYER_OFFSET);
+ if (mp->layer->id == DE_SMART)
+ malidp_hw_write(mp->hwdev,
+ LAYER_H_VAL(src_w) | LAYER_V_VAL(src_h),
+ mp->layer->base + MALIDP550_LS_R1_IN_SIZE);
+
/* first clear the rotation bits */
val = malidp_hw_read(mp->hwdev, mp->layer->base + MALIDP_LAYER_CONTROL);
val &= ~LAYER_ROT_MASK;
plane->hwdev = malidp->dev;
plane->layer = &map->layers[i];
- /* Skip the features which the SMART layer doesn't have */
- if (id == DE_SMART)
+ if (id == DE_SMART) {
+ /*
+ * Enable the first rectangle in the SMART layer to be
+ * able to use it as a drm plane.
+ */
+ malidp_hw_write(malidp->dev, 1,
+ plane->layer->base + MALIDP550_LS_ENABLE);
+ /* Skip the features which the SMART layer doesn't have. */
continue;
+ }
drm_plane_create_rotation_property(&plane->base, DRM_ROTATE_0, flags);
malidp_hw_write(malidp->dev, MALIDP_ALPHA_LUT,
/* Stride register offsets relative to Lx_BASE */
#define MALIDP_DE_LG_STRIDE 0x18
#define MALIDP_DE_LV_STRIDE0 0x18
+#define MALIDP550_DE_LS_R1_STRIDE 0x28
/* macros to set values into registers */
#define MALIDP_DE_H_FRONTPORCH(x) (((x) & 0xfff) << 0)
PLANE_PRIMARY,
PLANE_SPRITE0,
PLANE_SPRITE1,
+ PLANE_SPRITE2,
PLANE_CURSOR,
I915_MAX_PLANES,
};
trace_i915_gem_object_pwrite(obj, args->offset, args->size);
+ ret = -ENODEV;
+ if (obj->ops->pwrite)
+ ret = obj->ops->pwrite(obj, args);
+ if (ret != -ENODEV)
+ goto err;
+
ret = i915_gem_object_wait(obj,
I915_WAIT_INTERRUPTIBLE |
I915_WAIT_ALL,
*/
shmem_truncate_range(file_inode(obj->base.filp), 0, (loff_t)-1);
obj->mm.madv = __I915_MADV_PURGED;
+ obj->mm.pages = ERR_PTR(-EFAULT);
}
/* Try to discard unwanted pages */
__i915_gem_object_reset_page_iter(obj);
- obj->ops->put_pages(obj, pages);
+ if (!IS_ERR(pages))
+ obj->ops->put_pages(obj, pages);
+
unlock:
mutex_unlock(&obj->mm.lock);
}
if (err)
return err;
- if (unlikely(!obj->mm.pages)) {
+ if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) {
err = ____i915_gem_object_get_pages(obj);
if (err)
goto unlock;
pinned = true;
if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) {
- if (unlikely(!obj->mm.pages)) {
+ if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) {
ret = ____i915_gem_object_get_pages(obj);
if (ret)
goto err_unlock;
goto out_unlock;
}
+static int
+i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
+ const struct drm_i915_gem_pwrite *arg)
+{
+ struct address_space *mapping = obj->base.filp->f_mapping;
+ char __user *user_data = u64_to_user_ptr(arg->data_ptr);
+ u64 remain, offset;
+ unsigned int pg;
+
+ /* Before we instantiate/pin the backing store for our use, we
+ * can prepopulate the shmemfs filp efficiently using a write into
+ * the pagecache. We avoid the penalty of instantiating all the
+ * pages, important if the user is just writing to a few and never
+ * uses the object on the GPU, and using a direct write into shmemfs
+ * allows it to avoid the cost of retrieving a page (either swapin
+ * or clearing-before-use) before it is overwritten.
+ */
+ if (READ_ONCE(obj->mm.pages))
+ return -ENODEV;
+
+ /* Before the pages are instantiated the object is treated as being
+ * in the CPU domain. The pages will be clflushed as required before
+ * use, and we can freely write into the pages directly. If userspace
+ * races pwrite with any other operation; corruption will ensue -
+ * that is userspace's prerogative!
+ */
+
+ remain = arg->size;
+ offset = arg->offset;
+ pg = offset_in_page(offset);
+
+ do {
+ unsigned int len, unwritten;
+ struct page *page;
+ void *data, *vaddr;
+ int err;
+
+ len = PAGE_SIZE - pg;
+ if (len > remain)
+ len = remain;
+
+ err = pagecache_write_begin(obj->base.filp, mapping,
+ offset, len, 0,
+ &page, &data);
+ if (err < 0)
+ return err;
+
+ vaddr = kmap(page);
+ unwritten = copy_from_user(vaddr + pg, user_data, len);
+ kunmap(page);
+
+ err = pagecache_write_end(obj->base.filp, mapping,
+ offset, len, len - unwritten,
+ page, data);
+ if (err < 0)
+ return err;
+
+ if (unwritten)
+ return -EFAULT;
+
+ remain -= len;
+ user_data += len;
+ offset += len;
+ pg = 0;
+ } while (remain);
+
+ return 0;
+}
+
static bool ban_context(const struct i915_gem_context *ctx)
{
return (i915_gem_context_is_bannable(ctx) &&
args->timeout_ns -= ktime_to_ns(ktime_sub(ktime_get(), start));
if (args->timeout_ns < 0)
args->timeout_ns = 0;
+
+ /*
+ * Apparently ktime isn't accurate enough and occasionally has a
+ * bit of mismatch in the jiffies<->nsecs<->ktime loop. So patch
+ * things up to make the test happy. We allow up to 1 jiffy.
+ *
+ * This is a regression from the timespec->ktime conversion.
+ */
+ if (ret == -ETIME && !nsecs_to_jiffies(args->timeout_ns))
+ args->timeout_ns = 0;
}
i915_gem_object_put(obj);
static const struct drm_i915_gem_object_ops i915_gem_object_ops = {
.flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
I915_GEM_OBJECT_IS_SHRINKABLE,
+
.get_pages = i915_gem_object_get_pages_gtt,
.put_pages = i915_gem_object_put_pages_gtt,
+
+ .pwrite = i915_gem_object_pwrite_gtt,
};
struct drm_i915_gem_object *
* those as well to make room for our guard pages.
*/
if (check_color) {
- if (vma->node.start + vma->node.size == node->start) {
- if (vma->node.color == node->color)
+ if (node->start + node->size == target->start) {
+ if (node->color == target->color)
continue;
}
- if (vma->node.start == node->start + node->size) {
- if (vma->node.color == node->color)
+ if (node->start == target->start + target->size) {
+ if (node->color == target->color)
continue;
}
}
struct sg_table *(*get_pages)(struct drm_i915_gem_object *);
void (*put_pages)(struct drm_i915_gem_object *, struct sg_table *);
+ int (*pwrite)(struct drm_i915_gem_object *,
+ const struct drm_i915_gem_pwrite *);
+
int (*dmabuf_export)(struct drm_i915_gem_object *);
void (*release)(struct drm_i915_gem_object *);
};
return ret;
}
+static void
+i915_vma_remove(struct i915_vma *vma)
+{
+ struct drm_i915_gem_object *obj = vma->obj;
+
+ GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
+ GEM_BUG_ON(vma->flags & (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND));
+
+ drm_mm_remove_node(&vma->node);
+ list_move_tail(&vma->vm_link, &vma->vm->unbound_list);
+
+ /* Since the unbound list is global, only move to that list if
+ * no more VMAs exist.
+ */
+ if (--obj->bind_count == 0)
+ list_move_tail(&obj->global_link,
+ &to_i915(obj->base.dev)->mm.unbound_list);
+
+ /* And finally now the object is completely decoupled from this vma,
+ * we can drop its hold on the backing storage and allow it to be
+ * reaped by the shrinker.
+ */
+ i915_gem_object_unpin_pages(obj);
+ GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count);
+}
+
int __i915_vma_do_pin(struct i915_vma *vma,
u64 size, u64 alignment, u64 flags)
{
- unsigned int bound = vma->flags;
+ const unsigned int bound = vma->flags;
int ret;
lockdep_assert_held(&vma->vm->i915->drm.struct_mutex);
if (WARN_ON(bound & I915_VMA_PIN_OVERFLOW)) {
ret = -EBUSY;
- goto err;
+ goto err_unpin;
}
if ((bound & I915_VMA_BIND_MASK) == 0) {
ret = i915_vma_insert(vma, size, alignment, flags);
if (ret)
- goto err;
+ goto err_unpin;
}
ret = i915_vma_bind(vma, vma->obj->cache_level, flags);
if (ret)
- goto err;
+ goto err_remove;
if ((bound ^ vma->flags) & I915_VMA_GLOBAL_BIND)
__i915_vma_set_map_and_fenceable(vma);
GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags));
return 0;
-err:
+err_remove:
+ if ((bound & I915_VMA_BIND_MASK) == 0) {
+ GEM_BUG_ON(vma->pages);
+ i915_vma_remove(vma);
+ }
+err_unpin:
__i915_vma_unpin(vma);
return ret;
}
}
vma->flags &= ~(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND);
- drm_mm_remove_node(&vma->node);
- list_move_tail(&vma->vm_link, &vma->vm->unbound_list);
-
if (vma->pages != obj->mm.pages) {
GEM_BUG_ON(!vma->pages);
sg_free_table(vma->pages);
}
vma->pages = NULL;
- /* Since the unbound list is global, only move to that list if
- * no more VMAs exist. */
- if (--obj->bind_count == 0)
- list_move_tail(&obj->global_link,
- &to_i915(obj->base.dev)->mm.unbound_list);
-
- /* And finally now the object is completely decoupled from this vma,
- * we can drop its hold on the backing storage and allow it to be
- * reaped by the shrinker.
- */
- i915_gem_object_unpin_pages(obj);
- GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count);
+ i915_vma_remove(vma);
destroy:
if (unlikely(i915_vma_is_closed(vma)))
/* drm_atomic_helper_update_legacy_modeset_state might not be called. */
crtc->base.mode = crtc->base.state->mode;
- DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n",
- old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h,
- pipe_config->pipe_src_w, pipe_config->pipe_src_h);
-
/*
* Update pipe size and adjust fitter if needed: the reason for this is
* that in compute_mode_changes we check the native mode (not the pfit
struct intel_crtc_scaler_state *scaler_state =
&crtc->config->scaler_state;
- DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config);
-
if (crtc->config->pch_pfit.enabled) {
int id;
- if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) {
- DRM_ERROR("Requesting pfit without getting a scaler first\n");
+ if (WARN_ON(crtc->config->scaler_state.scaler_id < 0))
return;
- }
id = scaler_state->scaler_id;
I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN |
PS_FILTER_MEDIUM | scaler_state->scalers[id].mode);
I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos);
I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size);
-
- DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id);
}
}
} while (progress);
}
+static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv)
+{
+ struct intel_atomic_state *state, *next;
+ struct llist_node *freed;
+
+ freed = llist_del_all(&dev_priv->atomic_helper.free_list);
+ llist_for_each_entry_safe(state, next, freed, freed)
+ drm_atomic_state_put(&state->base);
+}
+
+static void intel_atomic_helper_free_state_worker(struct work_struct *work)
+{
+ struct drm_i915_private *dev_priv =
+ container_of(work, typeof(*dev_priv), atomic_helper.free_work);
+
+ intel_atomic_helper_free_state(dev_priv);
+}
+
static void intel_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
* can happen also when the device is completely off.
*/
intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
+
+ intel_atomic_helper_free_state(dev_priv);
}
static void intel_atomic_commit_work(struct work_struct *work)
to_intel_atomic_state(old_crtc_state->state);
bool modeset = needs_modeset(crtc->state);
+ if (!modeset &&
+ (intel_cstate->base.color_mgmt_changed ||
+ intel_cstate->update_pipe)) {
+ intel_color_set_csc(crtc->state);
+ intel_color_load_luts(crtc->state);
+ }
+
/* Perform vblank evasion around commit operation */
intel_pipe_update_start(intel_crtc);
if (modeset)
goto out;
- if (crtc->state->color_mgmt_changed || to_intel_crtc_state(crtc->state)->update_pipe) {
- intel_color_set_csc(crtc->state);
- intel_color_load_luts(crtc->state);
- }
-
if (intel_cstate->update_pipe)
intel_update_pipe_config(intel_crtc, old_intel_cstate);
else if (INTEL_GEN(dev_priv) >= 9)
drm_modeset_acquire_fini(&ctx);
}
-static void intel_atomic_helper_free_state(struct work_struct *work)
-{
- struct drm_i915_private *dev_priv =
- container_of(work, typeof(*dev_priv), atomic_helper.free_work);
- struct intel_atomic_state *state, *next;
- struct llist_node *freed;
-
- freed = llist_del_all(&dev_priv->atomic_helper.free_list);
- llist_for_each_entry_safe(state, next, freed, freed)
- drm_atomic_state_put(&state->base);
-}
-
int intel_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
dev->mode_config.funcs = &intel_mode_funcs;
INIT_WORK(&dev_priv->atomic_helper.free_work,
- intel_atomic_helper_free_state);
+ intel_atomic_helper_free_state_worker);
intel_init_quirks(dev);
bool *enabled, int width, int height)
{
struct drm_i915_private *dev_priv = to_i915(fb_helper->dev);
- unsigned long conn_configured, mask;
+ unsigned long conn_configured, conn_seq, mask;
unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG);
int i, j;
bool *save_enabled;
bool fallback = true;
int num_connectors_enabled = 0;
int num_connectors_detected = 0;
- int pass = 0;
save_enabled = kcalloc(count, sizeof(bool), GFP_KERNEL);
if (!save_enabled)
mask = BIT(count) - 1;
conn_configured = 0;
retry:
+ conn_seq = conn_configured;
for (i = 0; i < count; i++) {
struct drm_fb_helper_connector *fb_conn;
struct drm_connector *connector;
if (conn_configured & BIT(i))
continue;
- if (pass == 0 && !connector->has_tile)
+ if (conn_seq == 0 && !connector->has_tile)
continue;
if (connector->status == connector_status_connected)
conn_configured |= BIT(i);
}
- if ((conn_configured & mask) != mask) {
- pass++;
+ if ((conn_configured & mask) != mask && conn_configured != conn_seq)
goto retry;
- }
/*
* If the BIOS didn't enable everything it could, fall back to have the
break;
}
+ /* When byt can survive without system hang with dynamic
+ * sw freq adjustments, this restriction can be lifted.
+ */
+ if (IS_VALLEYVIEW(dev_priv))
+ goto skip_hw_write;
+
I915_WRITE(GEN6_RP_UP_EI,
GT_INTERVAL_FROM_US(dev_priv, ei_up));
I915_WRITE(GEN6_RP_UP_THRESHOLD,
GEN6_RP_UP_BUSY_AVG |
GEN6_RP_DOWN_IDLE_AVG);
+skip_hw_write:
dev_priv->rps.power = new_power;
dev_priv->rps.up_threshold = threshold_up;
dev_priv->rps.down_threshold = threshold_down;
* @timeout_base_ms: timeout for polling with preemption enabled
*
* Keep resending the @request to @mbox until PCODE acknowledges it, PCODE
- * reports an error or an overall timeout of @timeout_base_ms+10 ms expires.
+ * reports an error or an overall timeout of @timeout_base_ms+50 ms expires.
* The request is acknowledged once the PCODE reply dword equals @reply after
* applying @reply_mask. Polling is first attempted with preemption enabled
- * for @timeout_base_ms and if this times out for another 10 ms with
+ * for @timeout_base_ms and if this times out for another 50 ms with
* preemption disabled.
*
* Returns 0 on success, %-ETIMEDOUT in case of a timeout, <0 in case of some
* worst case) _and_ PCODE was busy for some reason even after a
* (queued) request and @timeout_base_ms delay. As a workaround retry
* the poll with preemption disabled to maximize the number of
- * requests. Increase the timeout from @timeout_base_ms to 10ms to
+ * requests. Increase the timeout from @timeout_base_ms to 50ms to
* account for interrupts that could reduce the number of these
- * requests.
+ * requests, and for any quirks of the PCODE firmware that delays
+ * the request completion.
*/
DRM_DEBUG_KMS("PCODE timeout, retrying with preemption disabled\n");
WARN_ON_ONCE(timeout_base_ms > 3);
preempt_disable();
- ret = wait_for_atomic(COND, 10);
+ ret = wait_for_atomic(COND, 50);
preempt_enable();
out:
int scaler_id = plane_state->scaler_id;
const struct intel_scaler *scaler;
- DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n",
- plane_id, PS_PLANE_SEL(plane_id));
-
scaler = &crtc_state->scaler_state.scalers[scaler_id];
I915_WRITE(SKL_PS_CTRL(pipe, scaler_id),
for_each_fw_domain_masked(d, fw_domains, dev_priv)
fw_domain_wait_ack(d);
+
+ dev_priv->uncore.fw_domains_active |= fw_domains;
}
static void
fw_domain_put(d);
fw_domain_posting_read(d);
}
+
+ dev_priv->uncore.fw_domains_active &= ~fw_domains;
}
static void
if (WARN_ON(domain->wake_count == 0))
domain->wake_count++;
- if (--domain->wake_count == 0) {
+ if (--domain->wake_count == 0)
dev_priv->uncore.funcs.force_wake_put(dev_priv, domain->mask);
- dev_priv->uncore.fw_domains_active &= ~domain->mask;
- }
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
fw_domains &= ~domain->mask;
}
- if (fw_domains) {
+ if (fw_domains)
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains);
- dev_priv->uncore.fw_domains_active |= fw_domains;
- }
}
/**
fw_domain_arm_timer(domain);
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains);
- dev_priv->uncore.fw_domains_active |= fw_domains;
}
static inline void __force_wake_auto(struct drm_i915_private *dev_priv,
struct drm_gem_object *obj = buffer->priv;
int ret = 0;
- if (WARN_ON(!obj->filp))
- return -EINVAL;
-
ret = drm_gem_mmap_obj(obj, omap_gem_mmap_size(obj), vma);
if (ret < 0)
return ret;
(rdev->pdev->device == 0x6667)) {
max_sclk = 75000;
}
+ } else if (rdev->family == CHIP_OLAND) {
+ if ((rdev->pdev->device == 0x6604) &&
+ (rdev->pdev->subsystem_vendor == 0x1028) &&
+ (rdev->pdev->subsystem_device == 0x066F)) {
+ max_sclk = 75000;
+ }
}
if (rps->vce_active) {
{
struct drm_device *dev = crtc->dev;
struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
+ unsigned long flags;
WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
mutex_lock(&tilcdc_crtc->enable_lock);
tilcdc_write_mask(dev, LCDC_RASTER_CTRL_REG,
LCDC_PALETTE_LOAD_MODE(DATA_ONLY),
LCDC_PALETTE_LOAD_MODE_MASK);
+
+ /* There is no real chance for a race here as the time stamp
+ * is taken before the raster DMA is started. The spin-lock is
+ * taken to have a memory barrier after taking the time-stamp
+ * and to avoid a context switch between taking the stamp and
+ * enabling the raster.
+ */
+ spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ tilcdc_crtc->last_vblank = ktime_get();
tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);
+ spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
drm_crtc_vblank_on(crtc);
}
drm_flip_work_commit(&tilcdc_crtc->unref_work, priv->wq);
- tilcdc_crtc->last_vblank = 0;
tilcdc_crtc->enabled = false;
mutex_unlock(&tilcdc_crtc->enable_lock);
{
struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
struct drm_device *dev = crtc->dev;
- unsigned long flags;
WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
drm_framebuffer_reference(fb);
crtc->primary->fb = fb;
+ tilcdc_crtc->event = event;
- spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ mutex_lock(&tilcdc_crtc->enable_lock);
- if (crtc->hwmode.vrefresh && ktime_to_ns(tilcdc_crtc->last_vblank)) {
+ if (tilcdc_crtc->enabled) {
+ unsigned long flags;
ktime_t next_vblank;
s64 tdiff;
- next_vblank = ktime_add_us(tilcdc_crtc->last_vblank,
- 1000000 / crtc->hwmode.vrefresh);
+ spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ next_vblank = ktime_add_us(tilcdc_crtc->last_vblank,
+ 1000000 / crtc->hwmode.vrefresh);
tdiff = ktime_to_us(ktime_sub(next_vblank, ktime_get()));
if (tdiff < TILCDC_VBLANK_SAFETY_THRESHOLD_US)
tilcdc_crtc->next_fb = fb;
- }
-
- if (tilcdc_crtc->next_fb != fb)
- set_scanout(crtc, fb);
+ else
+ set_scanout(crtc, fb);
- tilcdc_crtc->event = event;
+ spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+ }
- spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+ mutex_unlock(&tilcdc_crtc->enable_lock);
return 0;
}
fail:
tilcdc_crtc_destroy(crtc);
- return -ENOMEM;
+ return ret;
}
Support for Cherry Cymotion keyboard.
config HID_CHICONY
- tristate "Chicony Tactical pad"
+ tristate "Chicony devices"
depends on HID
default !EXPERT
---help---
- Support for Chicony Tactical pad.
+ Support for Chicony Tactical pad and special keys on Chicony keyboards.
config HID_CORSAIR
tristate "Corsair devices"
Supported devices:
- Vengeance K90
+ - Scimitar PRO RGB
config HID_PRODIKEYS
tristate "Prodikeys PC-MIDI Keyboard support"
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ }
};
MODULE_DEVICE_TABLE(hid, ch_devices);
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
*
* Supported devices:
* - Vengeance K90 Keyboard
+ * - Scimitar PRO RGB Gaming Mouse
*
* Copyright (c) 2015 Clement Vuchener
+ * Copyright (c) 2017 Oscar Campos
*/
/*
return 0;
}
+/*
+ * The report descriptor of Corsair Scimitar RGB Pro gaming mouse is
+ * non parseable as they define two consecutive Logical Minimum for
+ * the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16
+ * that should be obviousy 0x26 for Logical Magimum of 16 bits. This
+ * prevents poper parsing of the report descriptor due Logical
+ * Minimum being larger than Logical Maximum.
+ *
+ * This driver fixes the report descriptor for:
+ * - USB ID b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse
+ */
+
+static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
+ /*
+ * Corsair Scimitar RGB Pro report descriptor is broken and
+ * defines two different Logical Minimum for the Consumer
+ * Application. The byte 77 should be a 0x26 defining a 16
+ * bits integer for the Logical Maximum but it is a 0x16
+ * instead (Logical Minimum)
+ */
+ switch (hdev->product) {
+ case USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB:
+ if (*rsize >= 172 && rdesc[75] == 0x15 && rdesc[77] == 0x16
+ && rdesc[78] == 0xff && rdesc[79] == 0x0f) {
+ hid_info(hdev, "Fixing up report descriptor\n");
+ rdesc[77] = 0x26;
+ }
+ break;
+ }
+
+ }
+ return rdesc;
+}
+
static const struct hid_device_id corsair_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90),
.driver_data = CORSAIR_USE_K90_MACRO |
CORSAIR_USE_K90_BACKLIGHT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR,
+ USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
{}
};
.event = corsair_event,
.remove = corsair_remove,
.input_mapping = corsair_input_mapping,
+ .report_fixup = corsair_mouse_report_fixup,
};
module_hid_driver(corsair_driver);
MODULE_LICENSE("GPL");
+/* Original K90 driver author */
MODULE_AUTHOR("Clement Vuchener");
+/* Scimitar PRO RGB driver author */
+MODULE_AUTHOR("Oscar Campos");
MODULE_DESCRIPTION("HID driver for Corsair devices");
#define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13
#define USB_DEVICE_ID_CORSAIR_STRAFE 0x1b15
#define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17
+#define USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE 0x1b38
+#define USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE 0x1b39
+#define USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB 0x1b3e
#define USB_VENDOR_ID_CREATIVELABS 0x041e
#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c
#define USB_VENDOR_ID_JESS 0x0c45
#define USB_DEVICE_ID_JESS_YUREX 0x1010
+#define USB_DEVICE_ID_JESS_ZEN_AIO_KBD 0x5112
#define USB_VENDOR_ID_JESS2 0x0f30
#define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111
sony_leds_remove(sc);
if (sc->quirks & SONY_BATTERY_SUPPORT)
sony_battery_remove(sc);
+ if (sc->touchpad)
+ sony_unregister_touchpad(sc);
sony_cancel_work_sync(sc);
kfree(sc->output_report_dmabuf);
sony_remove_dev_list(sc);
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_STRAFE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
/* make sure we don't trigger the LEDs */
wacom_led_groups_release(wacom);
- wacom_release_resources(wacom);
+
+ if (wacom->wacom_wac.features.type != REMOTE)
+ wacom_release_resources(wacom);
hid_set_drvdata(hdev, NULL);
}
input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
- input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
- input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
+ if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
+ input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
+ input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
+ }
break;
case WACOM_HID_WD_FINGERWHEEL:
wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
static const struct wacom_features wacom_features_0x360 =
{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
- INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 };
+ INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
static const struct wacom_features wacom_features_0x361 =
{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
- INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 };
+ INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
static const struct wacom_features wacom_features_HID_ANY_ID =
{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
struct dm_offload *o = container_of(cb, struct dm_offload, cb);
struct bio_list list;
struct bio *bio;
+ int i;
INIT_LIST_HEAD(&o->cb.list);
if (unlikely(!current->bio_list))
return;
- list = *current->bio_list;
- bio_list_init(current->bio_list);
-
- while ((bio = bio_list_pop(&list))) {
- struct bio_set *bs = bio->bi_pool;
- if (unlikely(!bs) || bs == fs_bio_set) {
- bio_list_add(current->bio_list, bio);
- continue;
+ for (i = 0; i < 2; i++) {
+ list = current->bio_list[i];
+ bio_list_init(¤t->bio_list[i]);
+
+ while ((bio = bio_list_pop(&list))) {
+ struct bio_set *bs = bio->bi_pool;
+ if (unlikely(!bs) || bs == fs_bio_set) {
+ bio_list_add(¤t->bio_list[i], bio);
+ continue;
+ }
+
+ spin_lock(&bs->rescue_lock);
+ bio_list_add(&bs->rescue_list, bio);
+ queue_work(bs->rescue_workqueue, &bs->rescue_work);
+ spin_unlock(&bs->rescue_lock);
}
-
- spin_lock(&bs->rescue_lock);
- bio_list_add(&bs->rescue_list, bio);
- queue_work(bs->rescue_workqueue, &bs->rescue_work);
- spin_unlock(&bs->rescue_lock);
}
}
bm_lockres->flags |= DLM_LKF_NOQUEUE;
ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW);
if (ret == -EAGAIN) {
- memset(bm_lockres->lksb.sb_lvbptr, '\0', LVB_SIZE);
s = read_resync_info(mddev, bm_lockres);
if (s) {
pr_info("%s:%d Resync[%llu..%llu] in progress on %d\n",
lockres_free(cinfo->bitmap_lockres);
unlock_all_bitmaps(mddev);
dlm_release_lockspace(cinfo->lockspace, 2);
+ kfree(cinfo);
return 0;
}
}
EXPORT_SYMBOL(md_flush_request);
-void md_unplug(struct blk_plug_cb *cb, bool from_schedule)
-{
- struct mddev *mddev = cb->data;
- md_wakeup_thread(mddev->thread);
- kfree(cb);
-}
-EXPORT_SYMBOL(md_unplug);
-
static inline struct mddev *mddev_get(struct mddev *mddev)
{
atomic_inc(&mddev->active);
}
sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors);
- sb->super_offset = rdev->sb_start;
+ sb->super_offset = cpu_to_le64(rdev->sb_start);
sb->sb_csum = calc_sb_1_csum(sb);
do {
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
/* Check if any mddev parameters have changed */
if ((mddev->dev_sectors != le64_to_cpu(sb->size)) ||
(mddev->reshape_position != le64_to_cpu(sb->reshape_position)) ||
- (mddev->layout != le64_to_cpu(sb->layout)) ||
+ (mddev->layout != le32_to_cpu(sb->layout)) ||
(mddev->raid_disks != le32_to_cpu(sb->raid_disks)) ||
(mddev->chunk_sectors != le32_to_cpu(sb->chunksize)))
return true;
mddev->layout = info->layout;
mddev->chunk_sectors = info->chunk_size >> 9;
- mddev->max_disks = MD_SB_DISKS;
-
if (mddev->persistent) {
- mddev->flags = 0;
- mddev->sb_flags = 0;
+ mddev->max_disks = MD_SB_DISKS;
+ mddev->flags = 0;
+ mddev->sb_flags = 0;
}
set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
return -ENOSPC;
}
rv = mddev->pers->resize(mddev, num_sectors);
- if (!rv)
- revalidate_disk(mddev->gendisk);
+ if (!rv) {
+ if (mddev->queue) {
+ set_capacity(mddev->gendisk, mddev->array_sectors);
+ revalidate_disk(mddev->gendisk);
+ }
+ }
return rv;
}
extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
struct mddev *mddev);
-extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule);
extern void md_reload_sb(struct mddev *mddev, int raid_disk);
extern void md_update_sb(struct mddev *mddev, int force);
extern void md_kick_rdev_from_array(struct md_rdev * rdev);
struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
-static inline int mddev_check_plugged(struct mddev *mddev)
-{
- return !!blk_check_plugged(md_unplug, mddev,
- sizeof(struct blk_plug_cb));
-}
static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
{
static void freeze_array(struct r1conf *conf, int extra)
{
/* Stop sync I/O and normal I/O and wait for everything to
- * go quite.
+ * go quiet.
* This is called in two situations:
* 1) management command handlers (reshape, remove disk, quiesce).
* 2) one normal I/O request failed.
split = bio;
}
- if (bio_data_dir(split) == READ)
+ if (bio_data_dir(split) == READ) {
raid1_read_request(mddev, split);
- else
+
+ /*
+ * If a bio is splitted, the first part of bio will
+ * pass barrier but the bio is queued in
+ * current->bio_list (see generic_make_request). If
+ * there is a raise_barrier() called here, the second
+ * part of bio can't pass barrier. But since the first
+ * part bio isn't dispatched to underlaying disks yet,
+ * the barrier is never released, hence raise_barrier
+ * will alays wait. We have a deadlock.
+ * Note, this only happens in read path. For write
+ * path, the first part of bio is dispatched in a
+ * schedule() call (because of blk plug) or offloaded
+ * to raid10d.
+ * Quitting from the function immediately can change
+ * the bio order queued in bio_list and avoid the deadlock.
+ */
+ if (split != bio) {
+ generic_make_request(bio);
+ break;
+ }
+ } else
raid1_write_request(mddev, split);
} while (split != bio);
}
return ret;
}
md_set_array_sectors(mddev, newsize);
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > mddev->dev_sectors) {
mddev->recovery_cp = mddev->dev_sectors;
!conf->barrier ||
(atomic_read(&conf->nr_pending) &&
current->bio_list &&
- !bio_list_empty(current->bio_list)),
+ (!bio_list_empty(¤t->bio_list[0]) ||
+ !bio_list_empty(¤t->bio_list[1]))),
conf->resync_lock);
conf->nr_waiting--;
if (!conf->nr_waiting)
mbio->bi_bdev = (void*)rdev;
atomic_inc(&r10_bio->remaining);
+
+ cb = blk_check_plugged(raid10_unplug, mddev,
+ sizeof(*plug));
+ if (cb)
+ plug = container_of(cb, struct raid10_plug_cb,
+ cb);
+ else
+ plug = NULL;
spin_lock_irqsave(&conf->device_lock, flags);
- bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
+ if (plug) {
+ bio_list_add(&plug->pending, mbio);
+ plug->pending_cnt++;
+ } else {
+ bio_list_add(&conf->pending_bio_list, mbio);
+ conf->pending_count++;
+ }
spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!mddev_check_plugged(mddev))
+ if (!plug)
md_wakeup_thread(mddev->thread);
}
}
split = bio;
}
+ /*
+ * If a bio is splitted, the first part of bio will pass
+ * barrier but the bio is queued in current->bio_list (see
+ * generic_make_request). If there is a raise_barrier() called
+ * here, the second part of bio can't pass barrier. But since
+ * the first part bio isn't dispatched to underlaying disks
+ * yet, the barrier is never released, hence raise_barrier will
+ * alays wait. We have a deadlock.
+ * Note, this only happens in read path. For write path, the
+ * first part of bio is dispatched in a schedule() call
+ * (because of blk plug) or offloaded to raid10d.
+ * Quitting from the function immediately can change the bio
+ * order queued in bio_list and avoid the deadlock.
+ */
__make_request(mddev, split);
+ if (split != bio && bio_data_dir(bio) == READ) {
+ generic_make_request(bio);
+ break;
+ }
} while (split != bio);
/* In case raid10d snuck in to freeze_array */
return ret;
}
md_set_array_sectors(mddev, size);
- if (mddev->queue) {
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
- }
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > oldsize) {
mddev->recovery_cp = oldsize;
(test_bit(R5_Wantdrain, &dev->flags) ||
test_bit(R5_InJournal, &dev->flags))) ||
(srctype == SYNDROME_SRC_WRITTEN &&
- dev->written)) {
+ (dev->written ||
+ test_bit(R5_InJournal, &dev->flags)))) {
if (test_bit(R5_InJournal, &dev->flags))
srcs[slot] = sh->dev[i].orig_page;
else
return ret;
}
md_set_array_sectors(mddev, newsize);
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > mddev->dev_sectors) {
mddev->recovery_cp = mddev->dev_sectors;
#define XP_ECC_CNT1_DESC_DED_WIDTH 8
#define XP_ECC_CNT1_DESC_SEC_INDEX 0
#define XP_ECC_CNT1_DESC_SEC_WIDTH 8
-#define XP_ECC_IER_DESC_DED_INDEX 0
+#define XP_ECC_IER_DESC_DED_INDEX 5
#define XP_ECC_IER_DESC_DED_WIDTH 1
-#define XP_ECC_IER_DESC_SEC_INDEX 1
+#define XP_ECC_IER_DESC_SEC_INDEX 4
#define XP_ECC_IER_DESC_SEC_WIDTH 1
-#define XP_ECC_IER_RX_DED_INDEX 2
+#define XP_ECC_IER_RX_DED_INDEX 3
#define XP_ECC_IER_RX_DED_WIDTH 1
-#define XP_ECC_IER_RX_SEC_INDEX 3
+#define XP_ECC_IER_RX_SEC_INDEX 2
#define XP_ECC_IER_RX_SEC_WIDTH 1
-#define XP_ECC_IER_TX_DED_INDEX 4
+#define XP_ECC_IER_TX_DED_INDEX 1
#define XP_ECC_IER_TX_DED_WIDTH 1
-#define XP_ECC_IER_TX_SEC_INDEX 5
+#define XP_ECC_IER_TX_SEC_INDEX 0
#define XP_ECC_IER_TX_SEC_WIDTH 1
-#define XP_ECC_ISR_DESC_DED_INDEX 0
+#define XP_ECC_ISR_DESC_DED_INDEX 5
#define XP_ECC_ISR_DESC_DED_WIDTH 1
-#define XP_ECC_ISR_DESC_SEC_INDEX 1
+#define XP_ECC_ISR_DESC_SEC_INDEX 4
#define XP_ECC_ISR_DESC_SEC_WIDTH 1
-#define XP_ECC_ISR_RX_DED_INDEX 2
+#define XP_ECC_ISR_RX_DED_INDEX 3
#define XP_ECC_ISR_RX_DED_WIDTH 1
-#define XP_ECC_ISR_RX_SEC_INDEX 3
+#define XP_ECC_ISR_RX_SEC_INDEX 2
#define XP_ECC_ISR_RX_SEC_WIDTH 1
-#define XP_ECC_ISR_TX_DED_INDEX 4
+#define XP_ECC_ISR_TX_DED_INDEX 1
#define XP_ECC_ISR_TX_DED_WIDTH 1
-#define XP_ECC_ISR_TX_SEC_INDEX 5
+#define XP_ECC_ISR_TX_SEC_INDEX 0
#define XP_ECC_ISR_TX_SEC_WIDTH 1
#define XP_I2C_MUTEX_BUSY_INDEX 31
#define XP_I2C_MUTEX_BUSY_WIDTH 1
#define RX_PACKET_ATTRIBUTES_CSUM_DONE_WIDTH 1
#define RX_PACKET_ATTRIBUTES_VLAN_CTAG_INDEX 1
#define RX_PACKET_ATTRIBUTES_VLAN_CTAG_WIDTH 1
-#define RX_PACKET_ATTRIBUTES_INCOMPLETE_INDEX 2
-#define RX_PACKET_ATTRIBUTES_INCOMPLETE_WIDTH 1
+#define RX_PACKET_ATTRIBUTES_LAST_INDEX 2
+#define RX_PACKET_ATTRIBUTES_LAST_WIDTH 1
#define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_INDEX 3
#define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_WIDTH 1
#define RX_PACKET_ATTRIBUTES_CONTEXT_INDEX 4
#define RX_PACKET_ATTRIBUTES_RX_TSTAMP_WIDTH 1
#define RX_PACKET_ATTRIBUTES_RSS_HASH_INDEX 6
#define RX_PACKET_ATTRIBUTES_RSS_HASH_WIDTH 1
+#define RX_PACKET_ATTRIBUTES_FIRST_INDEX 7
+#define RX_PACKET_ATTRIBUTES_FIRST_WIDTH 1
#define RX_NORMAL_DESC0_OVT_INDEX 0
#define RX_NORMAL_DESC0_OVT_WIDTH 16
/* Get the header length */
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, FD)) {
+ XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
+ FIRST, 1);
rdata->rx.hdr_len = XGMAC_GET_BITS_LE(rdesc->desc2,
RX_NORMAL_DESC2, HL);
if (rdata->rx.hdr_len)
pdata->ext_stats.rx_split_header_packets++;
+ } else {
+ XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
+ FIRST, 0);
}
/* Get the RSS hash */
}
}
- /* Get the packet length */
- rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL);
-
- if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD)) {
- /* Not all the data has been transferred for this packet */
- XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
- INCOMPLETE, 1);
+ /* Not all the data has been transferred for this packet */
+ if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD))
return 0;
- }
/* This is the last of the data for this packet */
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
- INCOMPLETE, 0);
+ LAST, 1);
+
+ /* Get the packet length */
+ rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL);
/* Set checksum done indicator as appropriate */
if (netdev->features & NETIF_F_RXCSUM)
{
struct sk_buff *skb;
u8 *packet;
- unsigned int copy_len;
skb = napi_alloc_skb(napi, rdata->rx.hdr.dma_len);
if (!skb)
return NULL;
- /* Start with the header buffer which may contain just the header
+ /* Pull in the header buffer which may contain just the header
* or the header plus data
*/
dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base,
packet = page_address(rdata->rx.hdr.pa.pages) +
rdata->rx.hdr.pa.pages_offset;
- copy_len = (rdata->rx.hdr_len) ? rdata->rx.hdr_len : len;
- copy_len = min(rdata->rx.hdr.dma_len, copy_len);
- skb_copy_to_linear_data(skb, packet, copy_len);
- skb_put(skb, copy_len);
-
- len -= copy_len;
- if (len) {
- /* Add the remaining data as a frag */
- dma_sync_single_range_for_cpu(pdata->dev,
- rdata->rx.buf.dma_base,
- rdata->rx.buf.dma_off,
- rdata->rx.buf.dma_len,
- DMA_FROM_DEVICE);
-
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
- rdata->rx.buf.pa.pages,
- rdata->rx.buf.pa.pages_offset,
- len, rdata->rx.buf.dma_len);
- rdata->rx.buf.pa.pages = NULL;
- }
+ skb_copy_to_linear_data(skb, packet, len);
+ skb_put(skb, len);
return skb;
}
+static unsigned int xgbe_rx_buf1_len(struct xgbe_ring_data *rdata,
+ struct xgbe_packet_data *packet)
+{
+ /* Always zero if not the first descriptor */
+ if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, FIRST))
+ return 0;
+
+ /* First descriptor with split header, return header length */
+ if (rdata->rx.hdr_len)
+ return rdata->rx.hdr_len;
+
+ /* First descriptor but not the last descriptor and no split header,
+ * so the full buffer was used
+ */
+ if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST))
+ return rdata->rx.hdr.dma_len;
+
+ /* First descriptor and last descriptor and no split header, so
+ * calculate how much of the buffer was used
+ */
+ return min_t(unsigned int, rdata->rx.hdr.dma_len, rdata->rx.len);
+}
+
+static unsigned int xgbe_rx_buf2_len(struct xgbe_ring_data *rdata,
+ struct xgbe_packet_data *packet,
+ unsigned int len)
+{
+ /* Always the full buffer if not the last descriptor */
+ if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST))
+ return rdata->rx.buf.dma_len;
+
+ /* Last descriptor so calculate how much of the buffer was used
+ * for the last bit of data
+ */
+ return rdata->rx.len - len;
+}
+
static int xgbe_tx_poll(struct xgbe_channel *channel)
{
struct xgbe_prv_data *pdata = channel->pdata;
struct napi_struct *napi;
struct sk_buff *skb;
struct skb_shared_hwtstamps *hwtstamps;
- unsigned int incomplete, error, context_next, context;
- unsigned int len, rdesc_len, max_len;
+ unsigned int last, error, context_next, context;
+ unsigned int len, buf1_len, buf2_len, max_len;
unsigned int received = 0;
int packet_count = 0;
if (!ring)
return 0;
- incomplete = 0;
+ last = 0;
context_next = 0;
napi = (pdata->per_channel_irq) ? &channel->napi : &pdata->napi;
received++;
ring->cur++;
- incomplete = XGMAC_GET_BITS(packet->attributes,
- RX_PACKET_ATTRIBUTES,
- INCOMPLETE);
+ last = XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
+ LAST);
context_next = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES,
CONTEXT_NEXT);
CONTEXT);
/* Earlier error, just drain the remaining data */
- if ((incomplete || context_next) && error)
+ if ((!last || context_next) && error)
goto read_again;
if (error || packet->errors) {
}
if (!context) {
- /* Length is cumulative, get this descriptor's length */
- rdesc_len = rdata->rx.len - len;
- len += rdesc_len;
+ /* Get the data length in the descriptor buffers */
+ buf1_len = xgbe_rx_buf1_len(rdata, packet);
+ len += buf1_len;
+ buf2_len = xgbe_rx_buf2_len(rdata, packet, len);
+ len += buf2_len;
- if (rdesc_len && !skb) {
+ if (!skb) {
skb = xgbe_create_skb(pdata, napi, rdata,
- rdesc_len);
- if (!skb)
+ buf1_len);
+ if (!skb) {
error = 1;
- } else if (rdesc_len) {
+ goto skip_data;
+ }
+ }
+
+ if (buf2_len) {
dma_sync_single_range_for_cpu(pdata->dev,
rdata->rx.buf.dma_base,
rdata->rx.buf.dma_off,
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
rdata->rx.buf.pa.pages,
rdata->rx.buf.pa.pages_offset,
- rdesc_len,
+ buf2_len,
rdata->rx.buf.dma_len);
rdata->rx.buf.pa.pages = NULL;
}
}
- if (incomplete || context_next)
+skip_data:
+ if (!last || context_next)
goto read_again;
if (!skb)
}
/* Check if we need to save state before leaving */
- if (received && (incomplete || context_next)) {
+ if (received && (!last || context_next)) {
rdata = XGBE_GET_DESC_DATA(ring, ring->cur);
rdata->state_saved = 1;
rdata->state.skb = skb;
if (err < 0)
goto err_exit;
+ ndev->mtu = new_mtu;
if (netif_running(ndev)) {
aq_ndev_close(ndev);
.tx_rings = HW_ATL_A0_TX_RINGS,
.rx_rings = HW_ATL_A0_RX_RINGS,
.hw_features = NETIF_F_HW_CSUM |
+ NETIF_F_RXCSUM |
NETIF_F_RXHASH |
NETIF_F_SG |
NETIF_F_TSO,
.tx_rings = HW_ATL_B0_TX_RINGS,
.rx_rings = HW_ATL_B0_RX_RINGS,
.hw_features = NETIF_F_HW_CSUM |
+ NETIF_F_RXCSUM |
NETIF_F_RXHASH |
NETIF_F_SG |
NETIF_F_TSO |
bcmgenet_netif_stop(dev);
- phy_suspend(priv->phydev);
+ if (!device_may_wakeup(d))
+ phy_suspend(priv->phydev);
netif_device_detach(dev);
netif_device_attach(dev);
- phy_resume(priv->phydev);
+ if (!device_may_wakeup(d))
+ phy_resume(priv->phydev);
if (priv->eee.eee_enabled)
bcmgenet_eee_enable_set(dev, true);
}
}
-static void bcmgenet_internal_phy_setup(struct net_device *dev)
-{
- struct bcmgenet_priv *priv = netdev_priv(dev);
- u32 reg;
-
- /* Power up PHY */
- bcmgenet_phy_power_set(dev, true);
- if (!GENET_IS_V5(priv)) {
- /* enable APD */
- reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
- reg |= EXT_PWR_DN_EN_LD;
- bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- }
- bcmgenet_mii_reset(dev);
-}
-
static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv)
{
u32 reg;
if (priv->internal_phy) {
phy_name = "internal PHY";
- bcmgenet_internal_phy_setup(dev);
} else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) {
phy_name = "MoCA";
bcmgenet_moca_phy_setup(priv);
return PTR_ERR(kern_buf);
rc = sscanf(kern_buf, "%x:%x", &addr, &len);
- if (rc < 2) {
+ if (rc < 2 || len > UINT_MAX >> 2) {
netdev_warn(bnad->netdev, "failed to read user buffer\n");
kfree(kern_buf);
return -EINVAL;
release_sub_crq_queue(adapter,
adapter->tx_scrq[i]);
}
+ kfree(adapter->tx_scrq);
adapter->tx_scrq = NULL;
}
release_sub_crq_queue(adapter,
adapter->rx_scrq[i]);
}
+ kfree(adapter->rx_scrq);
adapter->rx_scrq = NULL;
}
}
rd_toggle = swab32(readl(&priv->mfunc.comm->slave_read));
if (wr_toggle == 0xffffffff || rd_toggle == 0xffffffff) {
/* PCI might be offline */
+
+ /* If device removal has been requested,
+ * do not continue retrying.
+ */
+ if (dev->persist->interface_state &
+ MLX4_INTERFACE_STATE_NOWAIT) {
+ mlx4_warn(dev,
+ "communication channel is offline\n");
+ return -EIO;
+ }
+
msleep(100);
wr_toggle = swab32(readl(&priv->mfunc.comm->
slave_write));
(u32)(1 << COMM_CHAN_OFFLINE_OFFSET));
if (!offline_bit)
return 0;
+
+ /* If device removal has been requested,
+ * do not continue retrying.
+ */
+ if (dev->persist->interface_state &
+ MLX4_INTERFACE_STATE_NOWAIT)
+ break;
+
/* There are cases as part of AER/Reset flow that PF needs
* around 100 msec to load. We therefore sleep for 100 msec
* to allow other tasks to make use of that CPU during this
struct devlink *devlink = priv_to_devlink(priv);
int active_vfs = 0;
+ if (mlx4_is_slave(dev))
+ persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT;
+
mutex_lock(&persist->interface_state_mutex);
persist->interface_state |= MLX4_INTERFACE_STATE_DELETION;
mutex_unlock(&persist->interface_state_mutex);
case MLX5_CMD_OP_QUERY_VPORT_COUNTER:
case MLX5_CMD_OP_ALLOC_Q_COUNTER:
case MLX5_CMD_OP_QUERY_Q_COUNTER:
+ case MLX5_CMD_OP_SET_RATE_LIMIT:
+ case MLX5_CMD_OP_QUERY_RATE_LIMIT:
case MLX5_CMD_OP_ALLOC_PD:
case MLX5_CMD_OP_ALLOC_UAR:
case MLX5_CMD_OP_CONFIG_INT_MODERATION:
MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER);
MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER);
MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER);
+ MLX5_COMMAND_STR_CASE(SET_RATE_LIMIT);
+ MLX5_COMMAND_STR_CASE(QUERY_RATE_LIMIT);
MLX5_COMMAND_STR_CASE(ALLOC_PD);
MLX5_COMMAND_STR_CASE(DEALLOC_PD);
MLX5_COMMAND_STR_CASE(ALLOC_UAR);
int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev);
void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev);
u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout);
-void mlx5e_add_vxlan_port(struct net_device *netdev,
- struct udp_tunnel_info *ti);
-void mlx5e_del_vxlan_port(struct net_device *netdev,
- struct udp_tunnel_info *ti);
int mlx5e_get_offload_stats(int attr_id, const struct net_device *dev,
void *sp);
vf_stats);
}
-void mlx5e_add_vxlan_port(struct net_device *netdev,
- struct udp_tunnel_info *ti)
+static void mlx5e_add_vxlan_port(struct net_device *netdev,
+ struct udp_tunnel_info *ti)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 1);
}
-void mlx5e_del_vxlan_port(struct net_device *netdev,
- struct udp_tunnel_info *ti)
+static void mlx5e_del_vxlan_port(struct net_device *netdev,
+ struct udp_tunnel_info *ti)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
.ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name,
.ndo_setup_tc = mlx5e_rep_ndo_setup_tc,
.ndo_get_stats64 = mlx5e_rep_get_stats,
- .ndo_udp_tunnel_add = mlx5e_add_vxlan_port,
- .ndo_udp_tunnel_del = mlx5e_del_vxlan_port,
.ndo_has_offload_stats = mlx5e_has_offload_stats,
.ndo_get_offload_stats = mlx5e_get_offload_stats,
};
if (lro_num_seg > 1) {
mlx5e_lro_update_hdr(skb, cqe, cqe_bcnt);
skb_shinfo(skb)->gso_size = DIV_ROUND_UP(cqe_bcnt, lro_num_seg);
+ /* Subtract one since we already counted this as one
+ * "regular" packet in mlx5e_complete_rx_cqe()
+ */
+ rq->stats.packets += lro_num_seg - 1;
rq->stats.lro_packets++;
rq->stats.lro_bytes += cqe_bcnt;
}
return rule;
}
+static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
+ struct mlx5_fc *counter = NULL;
+
+ if (!IS_ERR(flow->rule)) {
+ counter = mlx5_flow_rule_counter(flow->rule);
+ mlx5_del_flow_rules(flow->rule);
+ mlx5_fc_destroy(priv->mdev, counter);
+ }
+
+ if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
+ mlx5_destroy_flow_table(priv->fs.tc.t);
+ priv->fs.tc.t = NULL;
+ }
+}
+
static struct mlx5_flow_handle *
mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
struct mlx5_flow_spec *spec,
}
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
- struct mlx5e_tc_flow *flow) {
+ struct mlx5e_tc_flow *flow);
+
+static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+
+ mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->attr);
+
+ mlx5_eswitch_del_vlan_action(esw, flow->attr);
+
+ if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
+ mlx5e_detach_encap(priv, flow);
+}
+
+static void mlx5e_detach_encap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
struct list_head *next = flow->encap.next;
list_del(&flow->encap);
static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
- struct mlx5_fc *counter = NULL;
-
- if (!IS_ERR(flow->rule)) {
- counter = mlx5_flow_rule_counter(flow->rule);
- mlx5_del_flow_rules(flow->rule);
- mlx5_fc_destroy(priv->mdev, counter);
- }
-
- if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
- mlx5_eswitch_del_vlan_action(esw, flow->attr);
- if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
- mlx5e_detach_encap(priv, flow);
- }
-
- if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
- mlx5_destroy_flow_table(priv->fs.tc.t);
- priv->fs.tc.t = NULL;
- }
+ if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
+ mlx5e_tc_del_fdb_flow(priv, flow);
+ else
+ mlx5e_tc_del_nic_flow(priv, flow);
}
static void parse_vxlan_attr(struct mlx5_flow_spec *spec,
skb_flow_dissector_target(f->dissector,
FLOW_DISSECTOR_KEY_ENC_PORTS,
f->mask);
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw);
+ struct mlx5e_priv *up_priv = netdev_priv(up_dev);
/* Full udp dst port must be given */
if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst)))
goto vxlan_match_offload_err;
- if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) &&
+ if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) &&
MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap))
parse_vxlan_attr(spec, f);
else {
struct mlx5_esw_flow_attr *attr)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw);
+ struct mlx5e_priv *up_priv = netdev_priv(up_dev);
unsigned short family = ip_tunnel_info_af(tun_info);
struct ip_tunnel_key *key = &tun_info->key;
struct mlx5_encap_entry *e;
return -EOPNOTSUPP;
}
- if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) &&
+ if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) &&
MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) {
tunnel_type = MLX5_HEADER_TYPE_VXLAN;
} else {
}
if (is_tcf_vlan(a)) {
- if (tcf_vlan_action(a) == VLAN_F_POP) {
+ if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
- } else if (tcf_vlan_action(a) == VLAN_F_PUSH) {
+ } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q))
return -EOPNOTSUPP;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
attr->vlan = tcf_vlan_push_vid(a);
+ } else { /* action is TCA_VLAN_ACT_MODIFY */
+ return -EOPNOTSUPP;
}
continue;
}
sq->stats.tso_bytes += skb->len - ihs;
}
+ sq->stats.packets += skb_shinfo(skb)->gso_segs;
num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs;
} else {
bf = sq->bf_budget &&
!skb->xmit_more &&
!skb_shinfo(skb)->nr_frags;
ihs = mlx5e_get_inline_hdr_size(sq, skb, bf);
+ sq->stats.packets++;
num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN);
}
+ sq->stats.bytes += num_bytes;
wi->num_bytes = num_bytes;
ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS;
if (bf)
sq->bf_budget--;
- sq->stats.packets++;
- sq->stats.bytes += num_bytes;
return NETDEV_TX_OK;
dma_unmap_wqe_err:
struct mlx5_eswitch_rep *vport_reps;
DECLARE_HASHTABLE(encap_tbl, 8);
u8 inline_mode;
+ u64 num_flows;
};
struct mlx5_eswitch {
mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
struct mlx5_flow_spec *spec,
struct mlx5_esw_flow_attr *attr);
+void
+mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
+ struct mlx5_flow_handle *rule,
+ struct mlx5_esw_flow_attr *attr);
+
struct mlx5_flow_handle *
mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn);
spec, &flow_act, dest, i);
if (IS_ERR(rule))
mlx5_fc_destroy(esw->dev, counter);
+ else
+ esw->offloads.num_flows++;
return rule;
}
+void
+mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
+ struct mlx5_flow_handle *rule,
+ struct mlx5_esw_flow_attr *attr)
+{
+ struct mlx5_fc *counter = NULL;
+
+ if (!IS_ERR(rule)) {
+ counter = mlx5_flow_rule_counter(rule);
+ mlx5_del_flow_rules(rule);
+ mlx5_fc_destroy(esw->dev, counter);
+ esw->offloads.num_flows--;
+ }
+}
+
static int esw_set_global_vlan_pop(struct mlx5_eswitch *esw, u8 val)
{
struct mlx5_eswitch_rep *rep;
MLX5_CAP_INLINE_MODE_VPORT_CONTEXT)
return -EOPNOTSUPP;
+ if (esw->offloads.num_flows > 0) {
+ esw_warn(dev, "Can't set inline mode when flows are configured\n");
+ return -EOPNOTSUPP;
+ }
+
err = esw_inline_mode_from_devlink(mode, &mlx5_mode);
if (err)
goto out;
[2] = {
.mask = MLX5_PROF_MASK_QP_SIZE |
MLX5_PROF_MASK_MR_CACHE,
- .log_max_qp = 17,
+ .log_max_qp = 18,
.mr_cache[0] = {
.size = 500,
.limit = 250
tnl.type = (u16)efx_tunnel_type;
tnl.port = ti->port;
- if (efx->type->udp_tnl_add_port)
+ if (efx->type->udp_tnl_del_port)
(void)efx->type->udp_tnl_del_port(efx, tnl);
}
will be called cpsw.
config TI_CPTS
- tristate "TI Common Platform Time Sync (CPTS) Support"
+ bool "TI Common Platform Time Sync (CPTS) Support"
depends on TI_CPSW || TI_KEYSTONE_NETCP
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK
---help---
This driver supports the Common Platform Time Sync unit of
the CPSW Ethernet Switch and Keystone 2 1g/10g Switch Subsystem.
The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the
driver offers a PTP Hardware Clock.
+config TI_CPTS_MOD
+ tristate
+ depends on TI_CPTS
+ default y if TI_CPSW=y || TI_KEYSTONE_NETCP=y
+ default m
+
config TI_KEYSTONE_NETCP
tristate "TI Keystone NETCP Core Support"
select TI_CPSW_ALE
obj-$(CONFIG_TI_DAVINCI_CPDMA) += davinci_cpdma.o
obj-$(CONFIG_TI_CPSW_PHY_SEL) += cpsw-phy-sel.o
obj-$(CONFIG_TI_CPSW_ALE) += cpsw_ale.o
-obj-$(CONFIG_TI_CPTS) += cpts.o
+obj-$(CONFIG_TI_CPTS_MOD) += cpts.o
obj-$(CONFIG_TI_CPSW) += ti_cpsw.o
ti_cpsw-y := cpsw.o
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+#define ACPI_MOTHERBOARD_RESOURCE_HID "PNP0C02"
+
static int fjes_request_irq(struct fjes_adapter *);
static void fjes_free_irq(struct fjes_adapter *);
static int fjes_poll(struct napi_struct *, int);
static const struct acpi_device_id fjes_acpi_ids[] = {
- {"PNP0C02", 0},
+ {ACPI_MOTHERBOARD_RESOURCE_HID, 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, fjes_acpi_ids);
},
};
-static int fjes_acpi_add(struct acpi_device *device)
+static bool is_extended_socket_device(struct acpi_device *device)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL};
char str_buf[sizeof(FJES_ACPI_SYMBOL) + 1];
- struct platform_device *plat_dev;
union acpi_object *str;
acpi_status status;
int result;
status = acpi_evaluate_object(device->handle, "_STR", NULL, &buffer);
if (ACPI_FAILURE(status))
- return -ENODEV;
+ return false;
str = buffer.pointer;
result = utf16s_to_utf8s((wchar_t *)str->string.pointer,
if (strncmp(FJES_ACPI_SYMBOL, str_buf, strlen(FJES_ACPI_SYMBOL)) != 0) {
kfree(buffer.pointer);
- return -ENODEV;
+ return false;
}
kfree(buffer.pointer);
+ return true;
+}
+
+static int acpi_check_extended_socket_status(struct acpi_device *device)
+{
+ unsigned long long sta;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(device->handle, "_STA", NULL, &sta);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ if (!((sta & ACPI_STA_DEVICE_PRESENT) &&
+ (sta & ACPI_STA_DEVICE_ENABLED) &&
+ (sta & ACPI_STA_DEVICE_UI) &&
+ (sta & ACPI_STA_DEVICE_FUNCTIONING)))
+ return -ENODEV;
+
+ return 0;
+}
+
+static int fjes_acpi_add(struct acpi_device *device)
+{
+ struct platform_device *plat_dev;
+ acpi_status status;
+
+ if (!is_extended_socket_device(device))
+ return -ENODEV;
+
+ if (acpi_check_extended_socket_status(device))
+ return -ENODEV;
+
status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
fjes_get_acpi_resource, fjes_resource);
if (ACPI_FAILURE(status))
netdev->min_mtu = fjes_support_mtu[0];
netdev->max_mtu = fjes_support_mtu[3];
netdev->flags |= IFF_BROADCAST;
- netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER;
+ netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
}
static void fjes_irq_watch_task(struct work_struct *work)
}
}
+static acpi_status
+acpi_find_extended_socket_device(acpi_handle obj_handle, u32 level,
+ void *context, void **return_value)
+{
+ struct acpi_device *device;
+ bool *found = context;
+ int result;
+
+ result = acpi_bus_get_device(obj_handle, &device);
+ if (result)
+ return AE_OK;
+
+ if (strcmp(acpi_device_hid(device), ACPI_MOTHERBOARD_RESOURCE_HID))
+ return AE_OK;
+
+ if (!is_extended_socket_device(device))
+ return AE_OK;
+
+ if (acpi_check_extended_socket_status(device))
+ return AE_OK;
+
+ *found = true;
+ return AE_CTRL_TERMINATE;
+}
+
/* fjes_init_module - Driver Registration Routine */
static int __init fjes_init_module(void)
{
+ bool found = false;
int result;
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+ acpi_find_extended_socket_device, NULL, &found,
+ NULL);
+
+ if (!found)
+ return -ENODEV;
+
pr_info("%s - version %s - %s\n",
fjes_driver_string, fjes_driver_version, fjes_copyright);
return -EINVAL;
tun->set_features = features;
+ tun->dev->wanted_features &= ~TUN_USER_FEATURES;
+ tun->dev->wanted_features |= features;
netdev_update_features(tun->dev);
return 0;
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69),
.driver_info = (unsigned long)&qmi_wwan_info,
},
+ { /* Motorola Mapphone devices with MDM6600 */
+ USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff),
+ .driver_info = (unsigned long)&qmi_wwan_info,
+ },
/* 2. Combined interface devices matching on class+protocol */
{ /* Huawei E367 and possibly others in "Windows mode" */
{QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
{QMI_FIXED_INTF(0x1e0e, 0x9001, 5)}, /* SIMCom 7230E */
#define NETNEXT_VERSION "08"
/* Information for net */
-#define NET_VERSION "8"
+#define NET_VERSION "9"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
#define RTL8153_RMS RTL8153_MAX_PACKET
#define RTL8152_TX_TIMEOUT (5 * HZ)
#define RTL8152_NAPI_WEIGHT 64
+#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \
+ sizeof(struct rx_desc) + RX_ALIGN)
/* rtl8152 flags */
enum rtl8152_flags {
spin_lock_init(&tp->rx_lock);
spin_lock_init(&tp->tx_lock);
INIT_LIST_HEAD(&tp->tx_free);
+ INIT_LIST_HEAD(&tp->rx_done);
skb_queue_head_init(&tp->tx_queue);
skb_queue_head_init(&tp->rx_queue);
static void r8153_set_rx_early_size(struct r8152 *tp)
{
- u32 mtu = tp->netdev->mtu;
- u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 8;
+ u32 ocp_data = (agg_buf_sz - rx_reserved_size(tp->netdev->mtu)) / 4;
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
}
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
+ ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
usleep_range(1000, 2000);
}
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
+ ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
ocp_data &= ~TEREDO_WAKE_MASK;
dev->mtu = new_mtu;
- if (netif_running(dev) && netif_carrier_ok(dev))
- r8153_set_rx_early_size(tp);
+ if (netif_running(dev)) {
+ u32 rms = new_mtu + VLAN_ETH_HLEN + CRC_SIZE;
+
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms);
+
+ if (netif_carrier_ok(dev))
+ r8153_set_rx_early_size(tp);
+ }
mutex_unlock(&tp->control);
}
if (rt6_local) {
- if (rt6_local->rt6i_idev)
+ if (rt6_local->rt6i_idev) {
in6_dev_put(rt6_local->rt6i_idev);
+ rt6_local->rt6i_idev = NULL;
+ }
dst = &rt6_local->dst;
dev_put(dst->dev);
.rtc_soc_base_address = 0x00000800,
.rtc_wmac_base_address = 0x00001000,
.soc_core_base_address = 0x0003a000,
- .wlan_mac_base_address = 0x00020000,
+ .wlan_mac_base_address = 0x00010000,
.ce_wrapper_base_address = 0x00034000,
.ce0_base_address = 0x00034400,
.ce1_base_address = 0x00034800,
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
- /* Called when we need to transmit (a) frame(s) from agg queue */
+ /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
tids, more_data, true);
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
- if (tid_data->state != IWL_AGG_ON &&
+ if (!iwl_mvm_is_dqa_supported(mvm) &&
+ tid_data->state != IWL_AGG_ON &&
tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
continue;
struct ieee80211_sta *sta,
enum ieee80211_frame_release_type reason,
u16 cnt, u16 tids, bool more_data,
- bool agg)
+ bool single_sta_queue)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_add_sta_cmd cmd = {
for_each_set_bit(tid, &_tids, IWL_MAX_TID_COUNT)
cmd.awake_acs |= BIT(tid_to_ucode_ac[tid]);
- /* If we're releasing frames from aggregation queues then check if the
- * all queues combined that we're releasing frames from have
+ /* If we're releasing frames from aggregation or dqa queues then check
+ * if all the queues that we're releasing frames from, combined, have:
* - more frames than the service period, in which case more_data
* needs to be set
* - fewer than 'cnt' frames, in which case we need to adjust the
* firmware command (but do that unconditionally)
*/
- if (agg) {
+ if (single_sta_queue) {
int remaining = cnt;
int sleep_tx_count;
u16 n_queued;
tid_data = &mvmsta->tid_data[tid];
- if (WARN(tid_data->state != IWL_AGG_ON &&
+ if (WARN(!iwl_mvm_is_dqa_supported(mvm) &&
+ tid_data->state != IWL_AGG_ON &&
tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA,
"TID %d state is %d\n",
tid, tid_data->state)) {
struct ieee80211_sta *sta,
enum ieee80211_frame_release_type reason,
u16 cnt, u16 tids, bool more_data,
- bool agg);
+ bool single_sta_queue);
int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
bool drain);
void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm,
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2016 Intel Deutschland GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* values.
* Note that we don't need to make sure it isn't agg'd, since we're
* TXing non-sta
+ * For DQA mode - we shouldn't increase it though
*/
- atomic_inc(&mvm->pending_frames[sta_id]);
+ if (!iwl_mvm_is_dqa_supported(mvm))
+ atomic_inc(&mvm->pending_frames[sta_id]);
return 0;
}
spin_unlock(&mvmsta->lock);
- /* Increase pending frames count if this isn't AMPDU */
- if ((iwl_mvm_is_dqa_supported(mvm) &&
- mvmsta->tid_data[tx_cmd->tid_tspec].state != IWL_AGG_ON &&
- mvmsta->tid_data[tx_cmd->tid_tspec].state != IWL_AGG_STARTING) ||
- (!iwl_mvm_is_dqa_supported(mvm) && !is_ampdu))
+ /* Increase pending frames count if this isn't AMPDU or DQA queue */
+ if (!iwl_mvm_is_dqa_supported(mvm) && !is_ampdu)
atomic_inc(&mvm->pending_frames[mvmsta->sta_id]);
return 0;
lockdep_assert_held(&mvmsta->lock);
if ((tid_data->state == IWL_AGG_ON ||
- tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA) &&
+ tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA ||
+ iwl_mvm_is_dqa_supported(mvm)) &&
iwl_mvm_tid_queued(tid_data) == 0) {
/*
- * Now that this aggregation queue is empty tell mac80211 so it
- * knows we no longer have frames buffered for the station on
- * this TID (for the TIM bitmap calculation.)
+ * Now that this aggregation or DQA queue is empty tell
+ * mac80211 so it knows we no longer have frames buffered for
+ * the station on this TID (for the TIM bitmap calculation.)
*/
ieee80211_sta_set_buffered(sta, tid, false);
}
u8 skb_freed = 0;
u16 next_reclaimed, seq_ctl;
bool is_ndp = false;
- bool txq_agg = false; /* Is this TXQ aggregated */
__skb_queue_head_init(&skbs);
info->flags |= IEEE80211_TX_STAT_ACK;
break;
case TX_STATUS_FAIL_DEST_PS:
+ /* In DQA, the FW should have stopped the queue and not
+ * return this status
+ */
+ WARN_ON(iwl_mvm_is_dqa_supported(mvm));
info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
break;
default:
bool send_eosp_ndp = false;
spin_lock_bh(&mvmsta->lock);
- if (iwl_mvm_is_dqa_supported(mvm)) {
- enum iwl_mvm_agg_state state;
-
- state = mvmsta->tid_data[tid].state;
- txq_agg = (state == IWL_AGG_ON ||
- state == IWL_EMPTYING_HW_QUEUE_DELBA);
- } else {
- txq_agg = txq_id >= mvm->first_agg_queue;
- }
if (!is_ndp) {
tid_data->next_reclaimed = next_reclaimed;
* If the txq is not an AMPDU queue, there is no chance we freed
* several skbs. Check that out...
*/
- if (txq_agg)
+ if (iwl_mvm_is_dqa_supported(mvm) || txq_id >= mvm->first_agg_queue)
goto out;
/* We can't free more than one frame at once on a shared queue */
- WARN_ON(!iwl_mvm_is_dqa_supported(mvm) && (skb_freed > 1));
+ WARN_ON(skb_freed > 1);
/* If we have still frames for this STA nothing to do here */
if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id]))
* In case of any errors during inittialization, this function also ensures
* proper cleanup before exiting.
*/
-static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops,
- void **padapter)
+static int mwifiex_register(void *card, struct device *dev,
+ struct mwifiex_if_ops *if_ops, void **padapter)
{
struct mwifiex_adapter *adapter;
int i;
return -ENOMEM;
*padapter = adapter;
+ adapter->dev = dev;
adapter->card = card;
/* Save interface specific operations in adapter */
{
struct mwifiex_adapter *adapter;
- if (mwifiex_register(card, if_ops, (void **)&adapter)) {
+ if (mwifiex_register(card, dev, if_ops, (void **)&adapter)) {
pr_err("%s: software init failed\n", __func__);
goto err_init_sw;
}
- adapter->dev = dev;
mwifiex_probe_of(adapter);
adapter->iface_type = iface_type;
wiphy_unregister(adapter->wiphy);
wiphy_free(adapter->wiphy);
+ if (adapter->irq_wakeup >= 0)
+ device_init_wakeup(adapter->dev, false);
+
/* Unregister device */
mwifiex_dbg(adapter, INFO,
"info: unregister device\n");
schedule_work(&card->work);
}
+static void mwifiex_pcie_free_buffers(struct mwifiex_adapter *adapter)
+{
+ struct pcie_service_card *card = adapter->card;
+ const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
+
+ if (reg->sleep_cookie)
+ mwifiex_pcie_delete_sleep_cookie_buf(adapter);
+
+ mwifiex_pcie_delete_cmdrsp_buf(adapter);
+ mwifiex_pcie_delete_evtbd_ring(adapter);
+ mwifiex_pcie_delete_rxbd_ring(adapter);
+ mwifiex_pcie_delete_txbd_ring(adapter);
+ card->cmdrsp_buf = NULL;
+}
+
/*
* This function initializes the PCI-E host memory space, WCB rings, etc.
*
/*
* This function cleans up the allocated card buffers.
- *
- * The following are freed by this function -
- * - TXBD ring buffers
- * - RXBD ring buffers
- * - Event BD ring buffers
- * - Command response ring buffer
- * - Sleep cookie buffer
*/
static void mwifiex_cleanup_pcie(struct mwifiex_adapter *adapter)
{
"Failed to write driver not-ready signature\n");
}
+ mwifiex_pcie_free_buffers(adapter);
+
if (pdev) {
pci_iounmap(pdev, card->pci_mmap);
pci_iounmap(pdev, card->pci_mmap1);
pci_iounmap(pdev, card->pci_mmap1);
}
-/* This function cleans up the PCI-E host memory space.
- * Some code is extracted from mwifiex_unregister_dev()
- *
- */
+/* This function cleans up the PCI-E host memory space. */
static void mwifiex_pcie_down_dev(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
adapter->seq_num = 0;
- if (reg->sleep_cookie)
- mwifiex_pcie_delete_sleep_cookie_buf(adapter);
-
- mwifiex_pcie_delete_cmdrsp_buf(adapter);
- mwifiex_pcie_delete_evtbd_ring(adapter);
- mwifiex_pcie_delete_rxbd_ring(adapter);
- mwifiex_pcie_delete_txbd_ring(adapter);
- card->cmdrsp_buf = NULL;
+ mwifiex_pcie_free_buffers(adapter);
}
static struct mwifiex_if_ops pcie_ops = {
depends on OF && ARCH_QCOM
depends on REMOTEPROC
depends on QCOM_SMEM
- depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n)
+ depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n)
select MFD_SYSCON
select QCOM_MDT_LOADER
select QCOM_RPROC_COMMON
depends on OF && ARCH_QCOM
depends on QCOM_SMEM
depends on REMOTEPROC
- depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n)
+ depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n)
select MFD_SYSCON
select QCOM_RPROC_COMMON
select QCOM_SCM
config QCOM_WCNSS_PIL
tristate "Qualcomm WCNSS Peripheral Image Loader"
depends on OF && ARCH_QCOM
- depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n)
+ depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n)
depends on QCOM_SMEM
depends on REMOTEPROC
select QCOM_MDT_LOADER
This makes debugging information from the lpfc driver
available via the debugfs filesystem.
-config LPFC_NVME_INITIATOR
- bool "Emulex LightPulse Fibre Channel NVME Initiator Support"
- depends on SCSI_LPFC && NVME_FC
- ---help---
- This enables NVME Initiator support in the Emulex lpfc driver.
-
-config LPFC_NVME_TARGET
- bool "Emulex LightPulse Fibre Channel NVME Initiator Support"
- depends on SCSI_LPFC && NVME_TARGET_FC
- ---help---
- This enables NVME Target support in the Emulex lpfc driver.
- Target enablement must still be enabled on a per adapter
- basis by module parameters.
-
config SCSI_SIM710
tristate "Simple 53c710 SCSI support (Compaq, NCR machines)"
depends on (EISA || MCA) && SCSI
/* fill_cmd can't fail here, no data buffer to map. */
(void) fill_cmd(c, reset_type, h, NULL, 0, 0,
scsi3addr, TYPE_MSG);
- rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT);
+ rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
if (rc) {
dev_warn(&h->pdev->dev, "Failed to send reset command\n");
goto out;
* # (integer code indicating one of several NOT READY states
* describing why a volume is to be kept offline)
*/
-static int hpsa_volume_offline(struct ctlr_info *h,
+static unsigned char hpsa_volume_offline(struct ctlr_info *h,
unsigned char scsi3addr[])
{
struct CommandList *c;
DEFAULT_TIMEOUT);
if (rc) {
cmd_free(h, c);
- return 0;
+ return HPSA_VPD_LV_STATUS_UNSUPPORTED;
}
sense = c->err_info->SenseInfo;
if (c->err_info->SenseLen > sizeof(c->err_info->SenseInfo))
cmd_status = c->err_info->CommandStatus;
scsi_status = c->err_info->ScsiStatus;
cmd_free(h, c);
- /* Is the volume 'not ready'? */
- if (cmd_status != CMD_TARGET_STATUS ||
- scsi_status != SAM_STAT_CHECK_CONDITION ||
- sense_key != NOT_READY ||
- asc != ASC_LUN_NOT_READY) {
- return 0;
- }
/* Determine the reason for not ready state */
ldstat = hpsa_get_volume_status(h, scsi3addr);
/* Keep volume offline in certain cases: */
switch (ldstat) {
+ case HPSA_LV_FAILED:
case HPSA_LV_UNDERGOING_ERASE:
case HPSA_LV_NOT_AVAILABLE:
case HPSA_LV_UNDERGOING_RPI:
default:
break;
}
- return 0;
+ return HPSA_LV_OK;
}
/*
/* Do an inquiry to the device to see what it is. */
if (hpsa_scsi_do_inquiry(h, scsi3addr, 0, inq_buff,
(unsigned char) OBDR_TAPE_INQ_SIZE) != 0) {
- /* Inquiry failed (msg printed already) */
dev_err(&h->pdev->dev,
- "hpsa_update_device_info: inquiry failed\n");
- rc = -EIO;
+ "%s: inquiry failed, device will be skipped.\n",
+ __func__);
+ rc = HPSA_INQUIRY_FAILED;
goto bail_out;
}
if ((this_device->devtype == TYPE_DISK ||
this_device->devtype == TYPE_ZBC) &&
is_logical_dev_addr_mode(scsi3addr)) {
- int volume_offline;
+ unsigned char volume_offline;
hpsa_get_raid_level(h, scsi3addr, &this_device->raid_level);
if (h->fw_support & MISC_FW_RAID_OFFLOAD_BASIC)
hpsa_get_ioaccel_status(h, scsi3addr, this_device);
volume_offline = hpsa_volume_offline(h, scsi3addr);
- if (volume_offline < 0 || volume_offline > 0xff)
- volume_offline = HPSA_VPD_LV_STATUS_UNSUPPORTED;
- this_device->volume_offline = volume_offline & 0xff;
+ if (volume_offline == HPSA_LV_FAILED) {
+ rc = HPSA_LV_FAILED;
+ dev_err(&h->pdev->dev,
+ "%s: LV failed, device will be skipped.\n",
+ __func__);
+ goto bail_out;
+ }
} else {
this_device->raid_level = RAID_UNKNOWN;
this_device->offload_config = 0;
goto out;
}
if (rc) {
- dev_warn(&h->pdev->dev,
- "Inquiry failed, skipping device.\n");
+ h->drv_req_rescan = 1;
continue;
}
spin_lock_irqsave(&h->scan_lock, flags);
h->scan_finished = 1;
- wake_up_all(&h->scan_wait_queue);
+ wake_up(&h->scan_wait_queue);
spin_unlock_irqrestore(&h->scan_lock, flags);
}
if (unlikely(lockup_detected(h)))
return hpsa_scan_complete(h);
+ /*
+ * If a scan is already waiting to run, no need to add another
+ */
+ spin_lock_irqsave(&h->scan_lock, flags);
+ if (h->scan_waiting) {
+ spin_unlock_irqrestore(&h->scan_lock, flags);
+ return;
+ }
+
+ spin_unlock_irqrestore(&h->scan_lock, flags);
+
/* wait until any scan already in progress is finished. */
while (1) {
spin_lock_irqsave(&h->scan_lock, flags);
if (h->scan_finished)
break;
+ h->scan_waiting = 1;
spin_unlock_irqrestore(&h->scan_lock, flags);
wait_event(h->scan_wait_queue, h->scan_finished);
/* Note: We don't need to worry about a race between this
*/
}
h->scan_finished = 0; /* mark scan as in progress */
+ h->scan_waiting = 0;
spin_unlock_irqrestore(&h->scan_lock, flags);
if (unlikely(lockup_detected(h)))
init_waitqueue_head(&h->event_sync_wait_queue);
mutex_init(&h->reset_mutex);
h->scan_finished = 1; /* no scan currently in progress */
+ h->scan_waiting = 0;
pci_set_drvdata(pdev, h);
h->ndevices = 0;
dma_addr_t errinfo_pool_dhandle;
unsigned long *cmd_pool_bits;
int scan_finished;
+ u8 scan_waiting : 1;
spinlock_t scan_lock;
wait_queue_head_t scan_wait_queue;
#define CFGTBL_BusType_Fibre2G 0x00000200l
/* VPD Inquiry types */
+#define HPSA_INQUIRY_FAILED 0x02
#define HPSA_VPD_SUPPORTED_PAGES 0x00
#define HPSA_VPD_LV_DEVICE_ID 0x83
#define HPSA_VPD_LV_DEVICE_GEOMETRY 0xC1
/* Logical volume states */
#define HPSA_VPD_LV_STATUS_UNSUPPORTED 0xff
#define HPSA_LV_OK 0x0
+#define HPSA_LV_FAILED 0x01
#define HPSA_LV_NOT_AVAILABLE 0x0b
#define HPSA_LV_UNDERGOING_ERASE 0x0F
#define HPSA_LV_UNDERGOING_RPI 0x12
* lpfc_enable_fc4_type: Defines what FC4 types are supported.
* Supported Values: 1 - register just FCP
* 3 - register both FCP and NVME
- * Supported values are [1,3]. Default value is 3
+ * Supported values are [1,3]. Default value is 1
*/
-LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH,
+LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_FCP,
LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH,
"Define fc4 type to register with fabric.");
/* Check to see if it matches any module parameter */
for (i = 0; i < lpfc_enable_nvmet_cnt; i++) {
if (wwn == lpfc_enable_nvmet[i]) {
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"6017 NVME Target %016llx\n",
wwn);
phba->nvmet_support = 1; /* a match */
+#else
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "6021 Can't enable NVME Target."
+ " NVME_TARGET_FC infrastructure"
+ " is not in kernel\n");
+#endif
}
}
}
/* localport is allocated from the stack, but the registration
* call allocates heap memory as well as the private area.
*/
-#ifdef CONFIG_LPFC_NVME_INITIATOR
+#if (IS_ENABLED(CONFIG_NVME_FC))
ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template,
&vport->phba->pcidev->dev, &localport);
#else
void
lpfc_nvme_destroy_localport(struct lpfc_vport *vport)
{
-#ifdef CONFIG_LPFC_NVME_INITIATOR
+#if (IS_ENABLED(CONFIG_NVME_FC))
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
struct lpfc_nvme_rport *rport = NULL, *rport_next = NULL;
int
lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
-#ifdef CONFIG_LPFC_NVME_INITIATOR
+#if (IS_ENABLED(CONFIG_NVME_FC))
int ret = 0;
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
void
lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
-#ifdef CONFIG_LPFC_NVME_INITIATOR
+#if (IS_ENABLED(CONFIG_NVME_FC))
int ret;
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP |
NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED;
-#ifdef CONFIG_LPFC_NVME_TARGET
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate,
&phba->pcidev->dev,
&phba->targetport);
void
lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba)
{
-#ifdef CONFIG_LPFC_NVME_TARGET
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_nvmet_tgtport *tgtp;
if (phba->nvmet_support == 0)
lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct hbq_dmabuf *nvmebuf)
{
-#ifdef CONFIG_LPFC_NVME_TARGET
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct lpfc_nvmet_rcv_ctx *ctxp;
struct rqb_dmabuf *nvmebuf,
uint64_t isr_timestamp)
{
-#ifdef CONFIG_LPFC_NVME_TARGET
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_nvmet_rcv_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
/*
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "07.701.16.00-rc1"
-#define MEGASAS_RELDATE "February 2, 2017"
+#define MEGASAS_VERSION "07.701.17.00-rc1"
+#define MEGASAS_RELDATE "March 2, 2017"
/*
* Device IDs
if (!mr_device_priv_data)
return -ENOMEM;
sdev->hostdata = mr_device_priv_data;
+
+ atomic_set(&mr_device_priv_data->r1_ldio_hint,
+ instance->r1_ldio_hint_default);
return 0;
}
&instance->irq_context[j]);
/* Retry irq register for IO_APIC*/
instance->msix_vectors = 0;
- if (is_probe)
+ if (is_probe) {
+ pci_free_irq_vectors(instance->pdev);
return megasas_setup_irqs_ioapic(instance);
- else
+ } else {
return -1;
+ }
}
}
return 0;
MPI2_REPLY_POST_HOST_INDEX_OFFSET);
}
- i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY);
- if (i < 0)
- goto fail_setup_irqs;
+ if (!instance->msix_vectors) {
+ i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY);
+ if (i < 0)
+ goto fail_setup_irqs;
+ }
dev_info(&instance->pdev->dev,
"firmware supports msix\t: (%d)", fw_msix_count);
cpu_sel = MR_RAID_CTX_CPUSEL_1;
if (is_stream_detected(rctx_g35) &&
- (raid->level == 5) &&
+ ((raid->level == 5) || (raid->level == 6)) &&
(raid->writeMode == MR_RL_WRITE_THROUGH_MODE) &&
(cpu_sel == MR_RAID_CTX_CPUSEL_FCFS))
cpu_sel = MR_RAID_CTX_CPUSEL_0;
fp_possible = false;
atomic_dec(&instance->fw_outstanding);
} else if ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) ||
- atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint)) {
+ (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0)) {
fp_possible = false;
atomic_dec(&instance->fw_outstanding);
if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE)
depends on PCI && SCSI
depends on SCSI_FC_ATTRS
select FW_LOADER
+ select BTREE
---help---
This qla2xxx driver supports all QLogic Fibre Channel
PCI and PCIe host adapters.
"Timer for the VP[%d] has stopped\n", vha->vp_idx);
}
- BUG_ON(atomic_read(&vha->vref_count));
-
qla2x00_free_fcports(vha);
mutex_lock(&ha->vport_lock);
dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
vha->gnl.ldma);
- if (vha->qpair->vp_idx == vha->vp_idx) {
+ if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x7087,
"Queue Pair delete failed.\n");
#define ql_dbg_tgt 0x00004000 /* Target mode */
#define ql_dbg_tgt_mgt 0x00002000 /* Target mode management */
#define ql_dbg_tgt_tmr 0x00001000 /* Target mode task management */
+#define ql_dbg_tgt_dif 0x00000800 /* Target mode dif */
extern int qla27xx_dump_mpi_ram(struct qla_hw_data *, uint32_t, uint32_t *,
uint32_t, void **);
#include <linux/firmware.h>
#include <linux/aer.h>
#include <linux/mutex.h>
+#include <linux/btree.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
struct completion comp;
} abt;
struct ct_arg ctarg;
+#define MAX_IOCB_MB_REG 28
+#define SIZEOF_IOCB_MB_REG (MAX_IOCB_MB_REG * sizeof(uint16_t))
struct {
- __le16 in_mb[28]; /* fr fw */
- __le16 out_mb[28]; /* to fw */
+ __le16 in_mb[MAX_IOCB_MB_REG]; /* from FW */
+ __le16 out_mb[MAX_IOCB_MB_REG]; /* to FW */
void *out, *in;
dma_addr_t out_dma, in_dma;
+ struct completion comp;
+ int rc;
} mbx;
struct {
struct imm_ntfy_from_isp *ntfy;
uint32_t handle;
uint16_t flags;
uint16_t type;
- char *name;
+ const char *name;
int iocbs;
struct qla_qpair *qpair;
u32 gen1; /* scratch */
struct ct_sns_desc ct_desc;
enum discovery_state disc_state;
enum login_state fw_login_state;
+ unsigned long plogi_nack_done_deadline;
+
u32 login_gen, last_login_gen;
u32 rscn_gen, last_rscn_gen;
u32 chip_reset;
uint32_t gold_fw_version;
};
+struct qla_dif_statistics {
+ uint64_t dif_input_bytes;
+ uint64_t dif_output_bytes;
+ uint64_t dif_input_requests;
+ uint64_t dif_output_requests;
+ uint32_t dif_guard_err;
+ uint32_t dif_ref_tag_err;
+ uint32_t dif_app_tag_err;
+};
+
struct qla_statistics {
uint32_t total_isp_aborts;
uint64_t input_bytes;
uint32_t stat_max_pend_cmds;
uint32_t stat_max_qfull_cmds_alloc;
uint32_t stat_max_qfull_cmds_dropped;
+
+ struct qla_dif_statistics qla_dif_stats;
};
struct bidi_statistics {
unsigned long long transfer_bytes;
};
+struct qla_tc_param {
+ struct scsi_qla_host *vha;
+ uint32_t blk_sz;
+ uint32_t bufflen;
+ struct scatterlist *sg;
+ struct scatterlist *prot_sg;
+ struct crc_context *ctx;
+ uint8_t *ctx_dsd_alloced;
+};
+
/* Multi queue support */
#define MBC_INITIALIZE_MULTIQ 0x1f
#define QLA_QUE_PAGE 0X1000
uint8_t tgt_node_name[WWN_SIZE];
struct dentry *dfs_tgt_sess;
+ struct dentry *dfs_tgt_port_database;
+
struct list_head q_full_list;
uint32_t num_pend_cmds;
uint32_t num_qfull_cmds_alloc;
spinlock_t sess_lock;
int rspq_vector_cpuid;
spinlock_t atio_lock ____cacheline_aligned;
+ struct btree_head32 host_map;
};
#define MAX_QFULL_CMDS_ALLOC 8192
#define LEAK_EXCHG_THRESH_HOLD_PERCENT 75 /* 75 percent */
+#define QLA_EARLY_LINKUP(_ha) \
+ ((_ha->flags.n2n_ae || _ha->flags.lip_ae) && \
+ _ha->flags.fw_started && !_ha->flags.fw_init_done)
+
/*
* Qlogic host adapter specific data structure.
*/
uint32_t fawwpn_enabled:1;
uint32_t exlogins_enabled:1;
uint32_t exchoffld_enabled:1;
- /* 35 bits */
+
+ uint32_t lip_ae:1;
+ uint32_t n2n_ae:1;
+ uint32_t fw_started:1;
+ uint32_t fw_init_done:1;
} flags;
/* This spinlock is used to protect "io transactions", you must
#define P2P_LOOP 3
uint8_t interrupts_on;
uint32_t isp_abort_cnt;
-
#define PCI_DEVICE_ID_QLOGIC_ISP2532 0x2532
#define PCI_DEVICE_ID_QLOGIC_ISP8432 0x8432
#define PCI_DEVICE_ID_QLOGIC_ISP8001 0x8001
struct list_head vp_fcports; /* list of fcports */
struct list_head work_list;
spinlock_t work_lock;
+ struct work_struct iocb_work;
/* Commonly used flags and state information. */
struct Scsi_Host *host;
/* Count of active session/fcport */
int fcport_count;
wait_queue_head_t fcport_waitQ;
+ wait_queue_head_t vref_waitq;
} scsi_qla_host_t;
struct qla27xx_image_status {
mb(); \
if (__vha->flags.delete_progress) { \
atomic_dec(&__vha->vref_count); \
+ wake_up(&__vha->vref_waitq); \
__bail = 1; \
} else { \
__bail = 0; \
} \
} while (0)
-#define QLA_VHA_MARK_NOT_BUSY(__vha) \
+#define QLA_VHA_MARK_NOT_BUSY(__vha) do { \
atomic_dec(&__vha->vref_count); \
+ wake_up(&__vha->vref_waitq); \
+} while (0) \
#define QLA_QPAIR_MARK_BUSY(__qpair, __bail) do { \
atomic_inc(&__qpair->ref_count); \
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
struct fc_port *sess = NULL;
- struct qla_tgt *tgt= vha->vha_tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
- seq_printf(s, "%s\n",vha->host_str);
+ seq_printf(s, "%s\n", vha->host_str);
if (tgt) {
- seq_printf(s, "Port ID Port Name Handle\n");
+ seq_puts(s, "Port ID Port Name Handle\n");
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
list_for_each_entry(sess, &vha->vp_fcports, list)
return single_open(file, qla2x00_dfs_tgt_sess_show, vha);
}
-
static const struct file_operations dfs_tgt_sess_ops = {
.open = qla2x00_dfs_tgt_sess_open,
.read = seq_read,
.release = single_release,
};
+static int
+qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused)
+{
+ scsi_qla_host_t *vha = s->private;
+ struct qla_hw_data *ha = vha->hw;
+ struct gid_list_info *gid_list;
+ dma_addr_t gid_list_dma;
+ fc_port_t fc_port;
+ char *id_iter;
+ int rc, i;
+ uint16_t entries, loop_id;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+
+ seq_printf(s, "%s\n", vha->host_str);
+ if (tgt) {
+ gid_list = dma_alloc_coherent(&ha->pdev->dev,
+ qla2x00_gid_list_size(ha),
+ &gid_list_dma, GFP_KERNEL);
+ if (!gid_list) {
+ ql_dbg(ql_dbg_user, vha, 0x705c,
+ "DMA allocation failed for %u\n",
+ qla2x00_gid_list_size(ha));
+ return 0;
+ }
+
+ rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma,
+ &entries);
+ if (rc != QLA_SUCCESS)
+ goto out_free_id_list;
+
+ id_iter = (char *)gid_list;
+
+ seq_puts(s, "Port Name Port ID Loop ID\n");
+
+ for (i = 0; i < entries; i++) {
+ struct gid_list_info *gid =
+ (struct gid_list_info *)id_iter;
+ loop_id = le16_to_cpu(gid->loop_id);
+ memset(&fc_port, 0, sizeof(fc_port_t));
+
+ fc_port.loop_id = loop_id;
+
+ rc = qla24xx_gpdb_wait(vha, &fc_port, 0);
+ seq_printf(s, "%8phC %02x%02x%02x %d\n",
+ fc_port.port_name, fc_port.d_id.b.domain,
+ fc_port.d_id.b.area, fc_port.d_id.b.al_pa,
+ fc_port.loop_id);
+ id_iter += ha->gid_list_info_size;
+ }
+out_free_id_list:
+ dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
+ gid_list, gid_list_dma);
+ }
+
+ return 0;
+}
+
+static int
+qla2x00_dfs_tgt_port_database_open(struct inode *inode, struct file *file)
+{
+ scsi_qla_host_t *vha = inode->i_private;
+
+ return single_open(file, qla2x00_dfs_tgt_port_database_show, vha);
+}
+
+static const struct file_operations dfs_tgt_port_database_ops = {
+ .open = qla2x00_dfs_tgt_port_database_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static int
qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
{
seq_printf(s, "num Q full sent = %lld\n",
vha->tgt_counters.num_q_full_sent);
+ /* DIF stats */
+ seq_printf(s, "DIF Inp Bytes = %lld\n",
+ vha->qla_stats.qla_dif_stats.dif_input_bytes);
+ seq_printf(s, "DIF Outp Bytes = %lld\n",
+ vha->qla_stats.qla_dif_stats.dif_output_bytes);
+ seq_printf(s, "DIF Inp Req = %lld\n",
+ vha->qla_stats.qla_dif_stats.dif_input_requests);
+ seq_printf(s, "DIF Outp Req = %lld\n",
+ vha->qla_stats.qla_dif_stats.dif_output_requests);
+ seq_printf(s, "DIF Guard err = %d\n",
+ vha->qla_stats.qla_dif_stats.dif_guard_err);
+ seq_printf(s, "DIF Ref tag err = %d\n",
+ vha->qla_stats.qla_dif_stats.dif_ref_tag_err);
+ seq_printf(s, "DIF App tag err = %d\n",
+ vha->qla_stats.qla_dif_stats.dif_app_tag_err);
return 0;
}
goto out;
}
+ ha->tgt.dfs_tgt_port_database = debugfs_create_file("tgt_port_database",
+ S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_port_database_ops);
+ if (!ha->tgt.dfs_tgt_port_database) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "Unable to create debugFS tgt_port_database node.\n");
+ goto out;
+ }
+
ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha,
&dfs_fce_ops);
if (!ha->dfs_fce) {
ha->tgt.dfs_tgt_sess = NULL;
}
+ if (ha->tgt.dfs_tgt_port_database) {
+ debugfs_remove(ha->tgt.dfs_tgt_port_database);
+ ha->tgt.dfs_tgt_port_database = NULL;
+ }
+
if (ha->dfs_fw_resource_cnt) {
debugfs_remove(ha->dfs_fw_resource_cnt);
ha->dfs_fw_resource_cnt = NULL;
void qla2x00_handle_login_done_event(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
int qla24xx_post_gnl_work(struct scsi_qla_host *, fc_port_t *);
+int qla24xx_async_abort_cmd(srb_t *);
/*
* Global Functions in qla_mid.c source file.
extern void *qla2x00_alloc_iocbs(scsi_qla_host_t *, srb_t *);
extern int qla2x00_issue_marker(scsi_qla_host_t *, int);
extern int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *, srb_t *,
- uint32_t *, uint16_t, struct qla_tgt_cmd *);
+ uint32_t *, uint16_t, struct qla_tc_param *);
extern int qla24xx_walk_and_build_sglist(struct qla_hw_data *, srb_t *,
- uint32_t *, uint16_t, struct qla_tgt_cmd *);
+ uint32_t *, uint16_t, struct qla_tc_param *);
extern int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *, srb_t *,
- uint32_t *, uint16_t, struct qla_tgt_cmd *);
+ uint32_t *, uint16_t, struct qla_tc_param *);
extern int qla24xx_get_one_block_sg(uint32_t, struct qla2_sgx *, uint32_t *);
extern int qla24xx_configure_prot_mode(srb_t *, uint16_t *);
extern int qla24xx_build_scsi_crc_2_iocbs(srb_t *,
extern int
qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *,
- dma_addr_t, uint);
+ dma_addr_t, uint16_t);
extern int qla24xx_abort_command(srb_t *);
extern int qla24xx_async_abort_command(srb_t *);
extern int
qla26xx_dport_diagnostics(scsi_qla_host_t *, void *, uint, uint);
+int qla24xx_send_mb_cmd(struct scsi_qla_host *, mbx_cmd_t *);
+int qla24xx_gpdb_wait(struct scsi_qla_host *, fc_port_t *, u8);
+int qla24xx_gidlist_wait(struct scsi_qla_host *, void *, dma_addr_t,
+ uint16_t *);
+int __qla24xx_parse_gpdb(struct scsi_qla_host *, fc_port_t *,
+ struct port_database_24xx *);
+
/*
* Global Function Prototypes in qla_isr.c source file.
*/
uint64_t wwn, port_id_t port_id, uint16_t loop_id, struct fc_port **);
void qla24xx_delete_sess_fn(struct work_struct *);
void qlt_unknown_atio_work_fn(struct work_struct *);
+void qlt_update_host_map(struct scsi_qla_host *, port_id_t);
+void qlt_remove_target_resources(struct qla_hw_data *);
#endif /* _QLA_GBL_H */
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
struct qla_hw_data *ha = vha->hw;
- uint64_t zero = 0;
struct port_database_24xx *pd;
fc_port_t *fcport = sp->fcport;
u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
- /* Check for logged in state. */
- if (pd->current_login_state != PDS_PRLI_COMPLETE &&
- pd->last_login_state != PDS_PRLI_COMPLETE) {
- ql_dbg(ql_dbg_mbx, vha, 0xffff,
- "Unable to verify login-state (%x/%x) for "
- "loop_id %x.\n", pd->current_login_state,
- pd->last_login_state, fcport->loop_id);
- rval = QLA_FUNCTION_FAILED;
- goto gpd_error_out;
- }
-
- if (fcport->loop_id == FC_NO_LOOP_ID ||
- (memcmp(fcport->port_name, (uint8_t *)&zero, 8) &&
- memcmp(fcport->port_name, pd->port_name, 8))) {
- /* We lost the device mid way. */
- rval = QLA_NOT_LOGGED_IN;
- goto gpd_error_out;
- }
-
- /* Names are little-endian. */
- memcpy(fcport->node_name, pd->node_name, WWN_SIZE);
-
- /* Get port_id of device. */
- fcport->d_id.b.domain = pd->port_id[0];
- fcport->d_id.b.area = pd->port_id[1];
- fcport->d_id.b.al_pa = pd->port_id[2];
- fcport->d_id.b.rsvd_1 = 0;
-
- /* If not target must be initiator or unknown type. */
- if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0)
- fcport->port_type = FCT_INITIATOR;
- else
- fcport->port_type = FCT_TARGET;
-
- /* Passback COS information. */
- fcport->supported_classes = (pd->flags & PDF_CLASS_2) ?
- FC_COS_CLASS2 : FC_COS_CLASS3;
-
- if (pd->prli_svc_param_word_3[0] & BIT_7) {
- fcport->flags |= FCF_CONF_COMP_SUPPORTED;
- fcport->conf_compl_supported = 1;
- }
+ rval = __qla24xx_parse_gpdb(vha, fcport, pd);
gpd_error_out:
memset(&ea, 0, sizeof(ea));
fcport->login_retry--;
if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
- (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
(fcport->fw_login_state == DSC_LS_PRLI_PEND))
return 0;
+ if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
+ if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
+ return 0;
+ }
+
/* for pure Target Mode. Login will not be initiated */
if (vha->host->active_mode == MODE_TARGET)
return 0;
fcport->flags);
if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
- (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
(fcport->fw_login_state == DSC_LS_PRLI_PEND))
return;
+ if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
+ if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
+ return;
+ }
+
if (fcport->flags & FCF_ASYNC_SENT) {
fcport->login_retry++;
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
complete(&abt->u.abt.comp);
}
-static int
+int
qla24xx_async_abort_cmd(srb_t *cmd_sp)
{
scsi_qla_host_t *vha = cmd_sp->vha;
} else {
ql_dbg(ql_dbg_init, vha, 0x00d3,
"Init Firmware -- success.\n");
+ ha->flags.fw_started = 1;
}
return (rval);
uint8_t domain;
char connect_type[22];
struct qla_hw_data *ha = vha->hw;
- unsigned long flags;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+ port_id_t id;
/* Get host addresses. */
rval = qla2x00_get_adapter_id(vha,
/* Save Host port and loop ID. */
/* byte order - Big Endian */
- vha->d_id.b.domain = domain;
- vha->d_id.b.area = area;
- vha->d_id.b.al_pa = al_pa;
-
- spin_lock_irqsave(&ha->vport_slock, flags);
- qlt_update_vp_map(vha, SET_AL_PA);
- spin_unlock_irqrestore(&ha->vport_slock, flags);
+ id.b.domain = domain;
+ id.b.area = area;
+ id.b.al_pa = al_pa;
+ id.b.rsvd_1 = 0;
+ qlt_update_host_map(vha, id);
if (!vha->flags.init_done)
ql_log(ql_log_info, vha, 0x2010,
atomic_set(&vha->loop_state, LOOP_READY);
ql_dbg(ql_dbg_disc, vha, 0x2069,
"LOOP READY.\n");
+ ha->flags.fw_init_done = 1;
/*
* Process any ATIO queue entries that came in
}
}
atomic_dec(&vha->vref_count);
+ wake_up(&vha->vref_waitq);
}
spin_unlock_irqrestore(&ha->vport_slock, flags);
}
if (!(IS_P3P_TYPE(ha)))
ha->isp_ops->reset_chip(vha);
+ ha->flags.n2n_ae = 0;
+ ha->flags.lip_ae = 0;
+ ha->current_topology = 0;
+ ha->flags.fw_started = 0;
+ ha->flags.fw_init_done = 0;
ha->chip_reset++;
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
return;
if (!ha->fw_major_version)
return;
+ if (!ha->flags.fw_started)
+ return;
ret = qla2x00_stop_firmware(vha);
for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
"Attempting retry of stop-firmware command.\n");
ret = qla2x00_stop_firmware(vha);
}
+
+ ha->flags.fw_started = 0;
+ ha->flags.fw_init_done = 0;
}
int
int
qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
- uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc)
+ uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
{
void *next_dsd;
uint8_t avail_dsds = 0;
struct scatterlist *sg_prot;
uint32_t *cur_dsd = dsd;
uint16_t used_dsds = tot_dsds;
-
uint32_t prot_int; /* protection interval */
uint32_t partial;
struct qla2_sgx sgx;
} else {
list_add_tail(&dsd_ptr->list,
&(tc->ctx->dsd_list));
- tc->ctx_dsd_alloced = 1;
+ *tc->ctx_dsd_alloced = 1;
}
int
qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
- uint16_t tot_dsds, struct qla_tgt_cmd *tc)
+ uint16_t tot_dsds, struct qla_tc_param *tc)
{
void *next_dsd;
uint8_t avail_dsds = 0;
} else {
list_add_tail(&dsd_ptr->list,
&(tc->ctx->dsd_list));
- tc->ctx_dsd_alloced = 1;
+ *tc->ctx_dsd_alloced = 1;
}
/* add new list to cmd iocb or last list */
int
qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
- uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc)
+ uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
{
void *next_dsd;
uint8_t avail_dsds = 0;
} else {
list_add_tail(&dsd_ptr->list,
&(tc->ctx->dsd_list));
- tc->ctx_dsd_alloced = 1;
+ *tc->ctx_dsd_alloced = 1;
}
/* add new list to cmd iocb or last list */
"mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
ha->isp_ops->fw_dump(vha, 1);
+ ha->flags.fw_init_done = 0;
+ ha->flags.fw_started = 0;
if (IS_FWI2_CAPABLE(ha)) {
if (mb[1] == 0 && mb[2] == 0) {
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
+ ha->flags.lip_ae = 1;
+ ha->flags.n2n_ae = 0;
+
ql_dbg(ql_dbg_async, vha, 0x5009,
"LIP occurred (%x).\n", mb[1]);
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
+ ha->flags.n2n_ae = 0;
+ ha->flags.lip_ae = 0;
+ ha->current_topology = 0;
+
mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
? RD_REG_WORD(®24->mailbox4) : 0;
mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
/* case MBA_DCBX_COMPLETE: */
case MBA_POINT_TO_POINT: /* Point-to-Point */
+ ha->flags.lip_ae = 0;
+ ha->flags.n2n_ae = 1;
+
if (IS_QLA2100(ha))
break;
QLA_LOGIO_LOGIN_RETRIED : 0;
if (logio->entry_status) {
ql_log(ql_log_warn, fcport->vha, 0x5034,
- "Async-%s error entry - hdl=%x"
+ "Async-%s error entry - %8phC hdl=%x"
"portid=%02x%02x%02x entry-status=%x.\n",
- type, sp->handle, fcport->d_id.b.domain,
+ type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
logio->entry_status);
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
- "Async-%s complete - hdl=%x portid=%02x%02x%02x "
- "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
+ "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
+ "iop0=%x.\n", type, fcport->port_name, sp->handle,
+ fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
le32_to_cpu(logio->io_parameter[0]));
case LSC_SCODE_NPORT_USED:
data[0] = MBS_LOOP_ID_USED;
break;
+ case LSC_SCODE_CMD_FAILED:
+ if (iop[1] == 0x0606) {
+ /*
+ * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
+ * Target side acked.
+ */
+ data[0] = MBS_COMMAND_COMPLETE;
+ goto logio_done;
+ }
+ data[0] = MBS_COMMAND_ERROR;
+ break;
case LSC_SCODE_NOXCB:
vha->hw->exch_starvation++;
if (vha->hw->exch_starvation > 5) {
}
ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
- "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
- "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
+ "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
+ "iop0=%x iop1=%x.\n", type, fcport->port_name,
+ sp->handle, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
le16_to_cpu(logio->comp_status),
le32_to_cpu(logio->io_parameter[0]),
return;
abt = &sp->u.iocb_cmd;
- abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
+ abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
sp->done(sp, 0);
}
struct sts_entry_24xx *pkt;
struct qla_hw_data *ha = vha->hw;
- if (!vha->flags.online)
+ if (!ha->flags.fw_started)
return;
while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
#include <linux/delay.h>
#include <linux/gfp.h>
+static struct mb_cmd_name {
+ uint16_t cmd;
+ const char *str;
+} mb_str[] = {
+ {MBC_GET_PORT_DATABASE, "GPDB"},
+ {MBC_GET_ID_LIST, "GIDList"},
+ {MBC_GET_LINK_PRIV_STATS, "Stats"},
+};
+
+static const char *mb_to_str(uint16_t cmd)
+{
+ int i;
+ struct mb_cmd_name *e;
+
+ for (i = 0; i < ARRAY_SIZE(mb_str); i++) {
+ e = mb_str + i;
+ if (cmd == e->cmd)
+ return e->str;
+ }
+ return "unknown";
+}
+
static struct rom_cmd {
uint16_t cmd;
} rom_cmds[] = {
int
qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
- dma_addr_t stats_dma, uint options)
+ dma_addr_t stats_dma, uint16_t options)
{
int rval;
mbx_cmd_t mc;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1088,
"Entered %s.\n", __func__);
- mcp->mb[0] = MBC_GET_LINK_PRIV_STATS;
- mcp->mb[2] = MSW(stats_dma);
- mcp->mb[3] = LSW(stats_dma);
- mcp->mb[6] = MSW(MSD(stats_dma));
- mcp->mb[7] = LSW(MSD(stats_dma));
- mcp->mb[8] = sizeof(struct link_statistics) / 4;
- mcp->mb[9] = vha->vp_idx;
- mcp->mb[10] = options;
- mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
- mcp->in_mb = MBX_2|MBX_1|MBX_0;
- mcp->tov = MBX_TOV_SECONDS;
- mcp->flags = IOCTL_CMD;
- rval = qla2x00_mailbox_command(vha, mcp);
+ memset(&mc, 0, sizeof(mc));
+ mc.mb[0] = MBC_GET_LINK_PRIV_STATS;
+ mc.mb[2] = MSW(stats_dma);
+ mc.mb[3] = LSW(stats_dma);
+ mc.mb[6] = MSW(MSD(stats_dma));
+ mc.mb[7] = LSW(MSD(stats_dma));
+ mc.mb[8] = sizeof(struct link_statistics) / 4;
+ mc.mb[9] = cpu_to_le16(vha->vp_idx);
+ mc.mb[10] = cpu_to_le16(options);
+
+ rval = qla24xx_send_mb_cmd(vha, &mc);
if (rval == QLA_SUCCESS) {
if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
scsi_qla_host_t *vp = NULL;
unsigned long flags;
int found;
+ port_id_t id;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b6,
"Entered %s.\n", __func__);
if (rptid_entry->entry_status != 0)
return;
+ id.b.domain = rptid_entry->port_id[2];
+ id.b.area = rptid_entry->port_id[1];
+ id.b.al_pa = rptid_entry->port_id[0];
+ id.b.rsvd_1 = 0;
+
if (rptid_entry->format == 0) {
/* loop */
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b7,
+ ql_dbg(ql_dbg_async, vha, 0x10b7,
"Format 0 : Number of VPs setup %d, number of "
"VPs acquired %d.\n", rptid_entry->vp_setup,
rptid_entry->vp_acquired);
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b8,
+ ql_dbg(ql_dbg_async, vha, 0x10b8,
"Primary port id %02x%02x%02x.\n",
rptid_entry->port_id[2], rptid_entry->port_id[1],
rptid_entry->port_id[0]);
- vha->d_id.b.domain = rptid_entry->port_id[2];
- vha->d_id.b.area = rptid_entry->port_id[1];
- vha->d_id.b.al_pa = rptid_entry->port_id[0];
-
- spin_lock_irqsave(&ha->vport_slock, flags);
- qlt_update_vp_map(vha, SET_AL_PA);
- spin_unlock_irqrestore(&ha->vport_slock, flags);
+ qlt_update_host_map(vha, id);
} else if (rptid_entry->format == 1) {
/* fabric */
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b9,
+ ql_dbg(ql_dbg_async, vha, 0x10b9,
"Format 1: VP[%d] enabled - status %d - with "
"port id %02x%02x%02x.\n", rptid_entry->vp_idx,
rptid_entry->vp_status,
WWN_SIZE);
}
- vha->d_id.b.domain = rptid_entry->port_id[2];
- vha->d_id.b.area = rptid_entry->port_id[1];
- vha->d_id.b.al_pa = rptid_entry->port_id[0];
- spin_lock_irqsave(&ha->vport_slock, flags);
- qlt_update_vp_map(vha, SET_AL_PA);
- spin_unlock_irqrestore(&ha->vport_slock, flags);
+ qlt_update_host_map(vha, id);
}
fc_host_port_name(vha->host) =
if (!found)
return;
- vp->d_id.b.domain = rptid_entry->port_id[2];
- vp->d_id.b.area = rptid_entry->port_id[1];
- vp->d_id.b.al_pa = rptid_entry->port_id[0];
- spin_lock_irqsave(&ha->vport_slock, flags);
- qlt_update_vp_map(vp, SET_AL_PA);
- spin_unlock_irqrestore(&ha->vport_slock, flags);
+ qlt_update_host_map(vp, id);
/*
* Cannot configure here as we are still sitting on the
return rval;
}
+
+static void qla2x00_async_mb_sp_done(void *s, int res)
+{
+ struct srb *sp = s;
+
+ sp->u.iocb_cmd.u.mbx.rc = res;
+
+ complete(&sp->u.iocb_cmd.u.mbx.comp);
+ /* don't free sp here. Let the caller do the free */
+}
+
+/*
+ * This mailbox uses the iocb interface to send MB command.
+ * This allows non-critial (non chip setup) command to go
+ * out in parrallel.
+ */
+int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp)
+{
+ int rval = QLA_FUNCTION_FAILED;
+ srb_t *sp;
+ struct srb_iocb *c;
+
+ if (!vha->hw->flags.fw_started)
+ goto done;
+
+ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_MB_IOCB;
+ sp->name = mb_to_str(mcp->mb[0]);
+
+ qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+ memcpy(sp->u.iocb_cmd.u.mbx.out_mb, mcp->mb, SIZEOF_IOCB_MB_REG);
+
+ c = &sp->u.iocb_cmd;
+ c->timeout = qla2x00_async_iocb_timeout;
+ init_completion(&c->u.mbx.comp);
+
+ sp->done = qla2x00_async_mb_sp_done;
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0xffff,
+ "%s: %s Failed submission. %x.\n",
+ __func__, sp->name, rval);
+ goto done_free_sp;
+ }
+
+ ql_dbg(ql_dbg_mbx, vha, 0xffff, "MB:%s hndl %x submitted\n",
+ sp->name, sp->handle);
+
+ wait_for_completion(&c->u.mbx.comp);
+ memcpy(mcp->mb, sp->u.iocb_cmd.u.mbx.in_mb, SIZEOF_IOCB_MB_REG);
+
+ rval = c->u.mbx.rc;
+ switch (rval) {
+ case QLA_FUNCTION_TIMEOUT:
+ ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s Timeout. %x.\n",
+ __func__, sp->name, rval);
+ break;
+ case QLA_SUCCESS:
+ ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s done.\n",
+ __func__, sp->name);
+ sp->free(sp);
+ break;
+ default:
+ ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s Failed. %x.\n",
+ __func__, sp->name, rval);
+ sp->free(sp);
+ break;
+ }
+
+ return rval;
+
+done_free_sp:
+ sp->free(sp);
+done:
+ return rval;
+}
+
+/*
+ * qla24xx_gpdb_wait
+ * NOTE: Do not call this routine from DPC thread
+ */
+int qla24xx_gpdb_wait(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
+{
+ int rval = QLA_FUNCTION_FAILED;
+ dma_addr_t pd_dma;
+ struct port_database_24xx *pd;
+ struct qla_hw_data *ha = vha->hw;
+ mbx_cmd_t mc;
+
+ if (!vha->hw->flags.fw_started)
+ goto done;
+
+ pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
+ if (pd == NULL) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "Failed to allocate port database structure.\n");
+ goto done_free_sp;
+ }
+ memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
+
+ memset(&mc, 0, sizeof(mc));
+ mc.mb[0] = MBC_GET_PORT_DATABASE;
+ mc.mb[1] = cpu_to_le16(fcport->loop_id);
+ mc.mb[2] = MSW(pd_dma);
+ mc.mb[3] = LSW(pd_dma);
+ mc.mb[6] = MSW(MSD(pd_dma));
+ mc.mb[7] = LSW(MSD(pd_dma));
+ mc.mb[9] = cpu_to_le16(vha->vp_idx);
+ mc.mb[10] = cpu_to_le16((uint16_t)opt);
+
+ rval = qla24xx_send_mb_cmd(vha, &mc);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0xffff,
+ "%s: %8phC fail\n", __func__, fcport->port_name);
+ goto done_free_sp;
+ }
+
+ rval = __qla24xx_parse_gpdb(vha, fcport, pd);
+
+ ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %8phC done\n",
+ __func__, fcport->port_name);
+
+done_free_sp:
+ if (pd)
+ dma_pool_free(ha->s_dma_pool, pd, pd_dma);
+done:
+ return rval;
+}
+
+int __qla24xx_parse_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport,
+ struct port_database_24xx *pd)
+{
+ int rval = QLA_SUCCESS;
+ uint64_t zero = 0;
+
+ /* Check for logged in state. */
+ if (pd->current_login_state != PDS_PRLI_COMPLETE &&
+ pd->last_login_state != PDS_PRLI_COMPLETE) {
+ ql_dbg(ql_dbg_mbx, vha, 0xffff,
+ "Unable to verify login-state (%x/%x) for "
+ "loop_id %x.\n", pd->current_login_state,
+ pd->last_login_state, fcport->loop_id);
+ rval = QLA_FUNCTION_FAILED;
+ goto gpd_error_out;
+ }
+
+ if (fcport->loop_id == FC_NO_LOOP_ID ||
+ (memcmp(fcport->port_name, (uint8_t *)&zero, 8) &&
+ memcmp(fcport->port_name, pd->port_name, 8))) {
+ /* We lost the device mid way. */
+ rval = QLA_NOT_LOGGED_IN;
+ goto gpd_error_out;
+ }
+
+ /* Names are little-endian. */
+ memcpy(fcport->node_name, pd->node_name, WWN_SIZE);
+ memcpy(fcport->port_name, pd->port_name, WWN_SIZE);
+
+ /* Get port_id of device. */
+ fcport->d_id.b.domain = pd->port_id[0];
+ fcport->d_id.b.area = pd->port_id[1];
+ fcport->d_id.b.al_pa = pd->port_id[2];
+ fcport->d_id.b.rsvd_1 = 0;
+
+ /* If not target must be initiator or unknown type. */
+ if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0)
+ fcport->port_type = FCT_INITIATOR;
+ else
+ fcport->port_type = FCT_TARGET;
+
+ /* Passback COS information. */
+ fcport->supported_classes = (pd->flags & PDF_CLASS_2) ?
+ FC_COS_CLASS2 : FC_COS_CLASS3;
+
+ if (pd->prli_svc_param_word_3[0] & BIT_7) {
+ fcport->flags |= FCF_CONF_COMP_SUPPORTED;
+ fcport->conf_compl_supported = 1;
+ }
+
+gpd_error_out:
+ return rval;
+}
+
+/*
+ * qla24xx_gidlist__wait
+ * NOTE: don't call this routine from DPC thread.
+ */
+int qla24xx_gidlist_wait(struct scsi_qla_host *vha,
+ void *id_list, dma_addr_t id_list_dma, uint16_t *entries)
+{
+ int rval = QLA_FUNCTION_FAILED;
+ mbx_cmd_t mc;
+
+ if (!vha->hw->flags.fw_started)
+ goto done;
+
+ memset(&mc, 0, sizeof(mc));
+ mc.mb[0] = MBC_GET_ID_LIST;
+ mc.mb[2] = MSW(id_list_dma);
+ mc.mb[3] = LSW(id_list_dma);
+ mc.mb[6] = MSW(MSD(id_list_dma));
+ mc.mb[7] = LSW(MSD(id_list_dma));
+ mc.mb[8] = 0;
+ mc.mb[9] = cpu_to_le16(vha->vp_idx);
+
+ rval = qla24xx_send_mb_cmd(vha, &mc);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0xffff,
+ "%s: fail\n", __func__);
+ } else {
+ *entries = mc.mb[1];
+ ql_dbg(ql_dbg_mbx, vha, 0xffff,
+ "%s: done\n", __func__);
+ }
+done:
+ return rval;
+}
* ensures no active vp_list traversal while the vport is removed
* from the queue)
*/
- spin_lock_irqsave(&ha->vport_slock, flags);
- while (atomic_read(&vha->vref_count)) {
- spin_unlock_irqrestore(&ha->vport_slock, flags);
-
- msleep(500);
+ wait_event_timeout(vha->vref_waitq, atomic_read(&vha->vref_count),
+ 10*HZ);
- spin_lock_irqsave(&ha->vport_slock, flags);
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ if (atomic_read(&vha->vref_count)) {
+ ql_dbg(ql_dbg_vport, vha, 0xfffa,
+ "vha->vref_count=%u timeout\n", vha->vref_count.counter);
+ vha->vref_count = (atomic_t)ATOMIC_INIT(0);
}
list_del(&vha->list);
qlt_update_vp_map(vha, RESET_VP_IDX);
spin_lock_irqsave(&ha->vport_slock, flags);
atomic_dec(&vha->vref_count);
+ wake_up(&vha->vref_waitq);
}
i++;
}
return atomic_read(&vha->loop_state) == LOOP_READY;
}
+static void qla2x00_iocb_work_fn(struct work_struct *work)
+{
+ struct scsi_qla_host *vha = container_of(work,
+ struct scsi_qla_host, iocb_work);
+ int cnt = 0;
+
+ while (!list_empty(&vha->work_list)) {
+ qla2x00_do_work(vha);
+ cnt++;
+ if (cnt > 10)
+ break;
+ }
+}
+
/*
* PCI driver interface
*/
*/
qla2xxx_wake_dpc(base_vha);
+ INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
qla2x00_free_sysfs_attr(base_vha, true);
fc_remove_host(base_vha->host);
+ qlt_remove_target_resources(ha);
scsi_remove_host(base_vha->host);
spin_lock_init(&vha->work_lock);
spin_lock_init(&vha->cmd_list_lock);
init_waitqueue_head(&vha->fcport_waitQ);
+ init_waitqueue_head(&vha->vref_waitq);
vha->gnl.size = sizeof(struct get_name_list_extended) *
(ha->max_loop_id + 1);
spin_lock_irqsave(&vha->work_lock, flags);
list_add_tail(&e->list, &vha->work_list);
spin_unlock_irqrestore(&vha->work_lock, flags);
- qla2xxx_wake_dpc(vha);
+
+ if (QLA_EARLY_LINKUP(vha->hw))
+ schedule_work(&vha->iocb_work);
+ else
+ qla2xxx_wake_dpc(vha);
return QLA_SUCCESS;
}
static struct fc_port *qlt_create_sess(struct scsi_qla_host *vha,
fc_port_t *fcport, bool local);
void qlt_unreg_sess(struct fc_port *sess);
+static void qlt_24xx_handle_abts(struct scsi_qla_host *,
+ struct abts_recv_from_24xx *);
+
/*
* Global Variables
*/
static DEFINE_MUTEX(qla_tgt_mutex);
static LIST_HEAD(qla_tgt_glist);
+static const char *prot_op_str(u32 prot_op)
+{
+ switch (prot_op) {
+ case TARGET_PROT_NORMAL: return "NORMAL";
+ case TARGET_PROT_DIN_INSERT: return "DIN_INSERT";
+ case TARGET_PROT_DOUT_INSERT: return "DOUT_INSERT";
+ case TARGET_PROT_DIN_STRIP: return "DIN_STRIP";
+ case TARGET_PROT_DOUT_STRIP: return "DOUT_STRIP";
+ case TARGET_PROT_DIN_PASS: return "DIN_PASS";
+ case TARGET_PROT_DOUT_PASS: return "DOUT_PASS";
+ default: return "UNKNOWN";
+ }
+}
+
/* This API intentionally takes dest as a parameter, rather than returning
* int value to avoid caller forgetting to issue wmb() after the store */
void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest)
struct scsi_qla_host *qlt_find_host_by_d_id(struct scsi_qla_host *vha,
uint8_t *d_id)
{
- struct qla_hw_data *ha = vha->hw;
- uint8_t vp_idx;
-
- if ((vha->d_id.b.area != d_id[1]) || (vha->d_id.b.domain != d_id[0]))
- return NULL;
+ struct scsi_qla_host *host;
+ uint32_t key = 0;
- if (vha->d_id.b.al_pa == d_id[2])
+ if ((vha->d_id.b.area == d_id[1]) && (vha->d_id.b.domain == d_id[0]) &&
+ (vha->d_id.b.al_pa == d_id[2]))
return vha;
- BUG_ON(ha->tgt.tgt_vp_map == NULL);
- vp_idx = ha->tgt.tgt_vp_map[d_id[2]].idx;
- if (likely(test_bit(vp_idx, ha->vp_idx_map)))
- return ha->tgt.tgt_vp_map[vp_idx].vha;
+ key = (uint32_t)d_id[0] << 16;
+ key |= (uint32_t)d_id[1] << 8;
+ key |= (uint32_t)d_id[2];
- return NULL;
+ host = btree_lookup32(&vha->hw->tgt.host_map, key);
+ if (!host)
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "Unable to find host %06x\n", key);
+
+ return host;
}
static inline
(struct abts_recv_from_24xx *)atio;
struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
entry->vp_index);
+ unsigned long flags;
+
if (unlikely(!host)) {
ql_dbg(ql_dbg_tgt, vha, 0xffff,
"qla_target(%d): Response pkt (ABTS_RECV_24XX) "
vha->vp_idx, entry->vp_index);
break;
}
- qlt_response_pkt(host, (response_t *)atio);
+ if (!ha_locked)
+ spin_lock_irqsave(&host->hw->hardware_lock, flags);
+ qlt_24xx_handle_abts(host, (struct abts_recv_from_24xx *)atio);
+ if (!ha_locked)
+ spin_unlock_irqrestore(&host->hw->hardware_lock, flags);
break;
-
}
/* case PUREX_IOCB_TYPE: ql2xmvasynctoatio */
sp->fcport->login_gen++;
sp->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
sp->fcport->logout_on_delete = 1;
+ sp->fcport->plogi_nack_done_deadline = jiffies + HZ;
break;
case SRB_NACK_PRLI:
break;
case SRB_NACK_PRLI:
fcport->fw_login_state = DSC_LS_PRLI_PEND;
+ fcport->deleted = 0;
c = "PRLI";
break;
case SRB_NACK_LOGO:
}
/* Get list of logged in devices */
- rc = qla2x00_get_id_list(vha, gid_list, gid_list_dma, &entries);
+ rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma, &entries);
if (rc != QLA_SUCCESS) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf045,
"qla_target(%d): get_id_list() failed: %x\n",
request_t *pkt;
struct nack_to_isp *nack;
+ if (!ha->flags.fw_started)
+ return;
+
ql_dbg(ql_dbg_tgt, vha, 0xe004, "Sending NOTIFY_ACK (ha=%p)\n", ha);
/* Send marker if required */
}
EXPORT_SYMBOL(qlt_free_mcmd);
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then
+ * reacquire
+ */
+void qlt_send_resp_ctio(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
+ uint8_t scsi_status, uint8_t sense_key, uint8_t asc, uint8_t ascq)
+{
+ struct atio_from_isp *atio = &cmd->atio;
+ struct ctio7_to_24xx *ctio;
+ uint16_t temp;
+
+ ql_dbg(ql_dbg_tgt_dif, vha, 0x3066,
+ "Sending response CTIO7 (vha=%p, atio=%p, scsi_status=%02x, "
+ "sense_key=%02x, asc=%02x, ascq=%02x",
+ vha, atio, scsi_status, sense_key, asc, ascq);
+
+ ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(vha, NULL);
+ if (!ctio) {
+ ql_dbg(ql_dbg_async, vha, 0x3067,
+ "qla2x00t(%ld): %s failed: unable to allocate request packet",
+ vha->host_no, __func__);
+ goto out;
+ }
+
+ ctio->entry_type = CTIO_TYPE7;
+ ctio->entry_count = 1;
+ ctio->handle = QLA_TGT_SKIP_HANDLE;
+ ctio->nport_handle = cmd->sess->loop_id;
+ ctio->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio->vp_index = vha->vp_idx;
+ ctio->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ ctio->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ ctio->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ ctio->exchange_addr = atio->u.isp24.exchange_addr;
+ ctio->u.status1.flags = (atio->u.isp24.attr << 9) |
+ cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_SEND_STATUS);
+ temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+ ctio->u.status1.ox_id = cpu_to_le16(temp);
+ ctio->u.status1.scsi_status =
+ cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID | scsi_status);
+ ctio->u.status1.response_len = cpu_to_le16(18);
+ ctio->u.status1.residual = cpu_to_le32(get_datalen_for_atio(atio));
+
+ if (ctio->u.status1.residual != 0)
+ ctio->u.status1.scsi_status |=
+ cpu_to_le16(SS_RESIDUAL_UNDER);
+
+ /* Response code and sense key */
+ put_unaligned_le32(((0x70 << 24) | (sense_key << 8)),
+ (&ctio->u.status1.sense_data)[0]);
+ /* Additional sense length */
+ put_unaligned_le32(0x0a, (&ctio->u.status1.sense_data)[1]);
+ /* ASC and ASCQ */
+ put_unaligned_le32(((asc << 24) | (ascq << 16)),
+ (&ctio->u.status1.sense_data)[3]);
+
+ /* Memory Barrier */
+ wmb();
+
+ qla2x00_start_iocbs(vha, vha->req);
+out:
+ return;
+}
+
/* callback from target fabric module code */
void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd)
{
*/
return -EAGAIN;
} else
- ha->tgt.cmds[h-1] = prm->cmd;
+ ha->tgt.cmds[h - 1] = prm->cmd;
pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
pkt->nport_handle = prm->cmd->loop_id;
return cmd->bufflen > 0;
}
+static void qlt_print_dif_err(struct qla_tgt_prm *prm)
+{
+ struct qla_tgt_cmd *cmd;
+ struct scsi_qla_host *vha;
+
+ /* asc 0x10=dif error */
+ if (prm->sense_buffer && (prm->sense_buffer[12] == 0x10)) {
+ cmd = prm->cmd;
+ vha = cmd->vha;
+ /* ASCQ */
+ switch (prm->sense_buffer[13]) {
+ case 1:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected Guard TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ case 2:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected APP TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ case 3:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected REF TAG ERR: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "BE detected Dif ERR: lba[%llx|%lld] len[%x] "
+ "se_cmd=%p tag[%x]",
+ cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr);
+ break;
+ }
+ ql_dump_buffer(ql_dbg_tgt_dif, vha, 0xffff, cmd->cdb, 16);
+ }
+}
+
/*
* Called without ha->hardware_lock held
*/
for (i = 0; i < prm->sense_buffer_len/4; i++)
((uint32_t *)ctio->u.status1.sense_data)[i] =
cpu_to_be32(((uint32_t *)prm->sense_buffer)[i]);
-#if 0
- if (unlikely((prm->sense_buffer_len % 4) != 0)) {
- static int q;
- if (q < 10) {
- ql_dbg(ql_dbg_tgt, vha, 0xe04f,
- "qla_target(%d): %d bytes of sense "
- "lost", prm->tgt->ha->vp_idx,
- prm->sense_buffer_len % 4);
- q++;
- }
- }
-#endif
+
+ qlt_print_dif_err(prm);
+
} else {
ctio->u.status1.flags &=
~cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_0);
/* Sense with len > 24, is it possible ??? */
}
-
-
-/* diff */
static inline int
qlt_hba_err_chk_enabled(struct se_cmd *se_cmd)
{
- /*
- * Uncomment when corresponding SCSI changes are done.
- *
- if (!sp->cmd->prot_chk)
- return 0;
- *
- */
switch (se_cmd->prot_op) {
case TARGET_PROT_DOUT_INSERT:
case TARGET_PROT_DIN_STRIP:
return 0;
}
+static inline int
+qla_tgt_ref_mask_check(struct se_cmd *se_cmd)
+{
+ switch (se_cmd->prot_op) {
+ case TARGET_PROT_DIN_INSERT:
+ case TARGET_PROT_DOUT_INSERT:
+ case TARGET_PROT_DIN_STRIP:
+ case TARGET_PROT_DOUT_STRIP:
+ case TARGET_PROT_DIN_PASS:
+ case TARGET_PROT_DOUT_PASS:
+ return 1;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
/*
- * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
- *
+ * qla_tgt_set_dif_tags - Extract Ref and App tags from SCSI command
*/
-static inline void
-qlt_set_t10dif_tags(struct se_cmd *se_cmd, struct crc_context *ctx)
+static void
+qla_tgt_set_dif_tags(struct qla_tgt_cmd *cmd, struct crc_context *ctx,
+ uint16_t *pfw_prot_opts)
{
+ struct se_cmd *se_cmd = &cmd->se_cmd;
uint32_t lba = 0xffffffff & se_cmd->t_task_lba;
+ scsi_qla_host_t *vha = cmd->tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t t32 = 0;
- /* wait til Mode Sense/Select cmd, modepage Ah, subpage 2
+ /*
+ * wait till Mode Sense/Select cmd, modepage Ah, subpage 2
* have been immplemented by TCM, before AppTag is avail.
* Look for modesense_handlers[]
*/
ctx->app_tag_mask[0] = 0x0;
ctx->app_tag_mask[1] = 0x0;
+ if (IS_PI_UNINIT_CAPABLE(ha)) {
+ if ((se_cmd->prot_type == TARGET_DIF_TYPE1_PROT) ||
+ (se_cmd->prot_type == TARGET_DIF_TYPE2_PROT))
+ *pfw_prot_opts |= PO_DIS_VALD_APP_ESC;
+ else if (se_cmd->prot_type == TARGET_DIF_TYPE3_PROT)
+ *pfw_prot_opts |= PO_DIS_VALD_APP_REF_ESC;
+ }
+
+ t32 = ha->tgt.tgt_ops->get_dif_tags(cmd, pfw_prot_opts);
+
switch (se_cmd->prot_type) {
case TARGET_DIF_TYPE0_PROT:
/*
- * No check for ql2xenablehba_err_chk, as it would be an
- * I/O error if hba tag generation is not done.
+ * No check for ql2xenablehba_err_chk, as it
+ * would be an I/O error if hba tag generation
+ * is not done.
*/
ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
/* enable ALL bytes of the ref tag */
ctx->ref_tag_mask[0] = 0xff;
ctx->ref_tag_mask[1] = 0xff;
ctx->ref_tag_mask[2] = 0xff;
ctx->ref_tag_mask[3] = 0xff;
break;
- /*
- * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
- * 16 bit app tag.
- */
case TARGET_DIF_TYPE1_PROT:
- ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
- /* enable ALL bytes of the ref tag */
- ctx->ref_tag_mask[0] = 0xff;
- ctx->ref_tag_mask[1] = 0xff;
- ctx->ref_tag_mask[2] = 0xff;
- ctx->ref_tag_mask[3] = 0xff;
- break;
- /*
- * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
- * match LBA in CDB + N
- */
+ /*
+ * For TYPE 1 protection: 16 bit GUARD tag, 32 bit
+ * REF tag, and 16 bit app tag.
+ */
+ ctx->ref_tag = cpu_to_le32(lba);
+ if (!qla_tgt_ref_mask_check(se_cmd) ||
+ !(ha->tgt.tgt_ops->chk_dif_tags(t32))) {
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ break;
+ }
+ /* enable ALL bytes of the ref tag */
+ ctx->ref_tag_mask[0] = 0xff;
+ ctx->ref_tag_mask[1] = 0xff;
+ ctx->ref_tag_mask[2] = 0xff;
+ ctx->ref_tag_mask[3] = 0xff;
+ break;
case TARGET_DIF_TYPE2_PROT:
- ctx->ref_tag = cpu_to_le32(lba);
-
- if (!qlt_hba_err_chk_enabled(se_cmd))
- break;
-
- /* enable ALL bytes of the ref tag */
- ctx->ref_tag_mask[0] = 0xff;
- ctx->ref_tag_mask[1] = 0xff;
- ctx->ref_tag_mask[2] = 0xff;
- ctx->ref_tag_mask[3] = 0xff;
- break;
-
- /* For Type 3 protection: 16 bit GUARD only */
+ /*
+ * For TYPE 2 protection: 16 bit GUARD + 32 bit REF
+ * tag has to match LBA in CDB + N
+ */
+ ctx->ref_tag = cpu_to_le32(lba);
+ if (!qla_tgt_ref_mask_check(se_cmd) ||
+ !(ha->tgt.tgt_ops->chk_dif_tags(t32))) {
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ break;
+ }
+ /* enable ALL bytes of the ref tag */
+ ctx->ref_tag_mask[0] = 0xff;
+ ctx->ref_tag_mask[1] = 0xff;
+ ctx->ref_tag_mask[2] = 0xff;
+ ctx->ref_tag_mask[3] = 0xff;
+ break;
case TARGET_DIF_TYPE3_PROT:
- ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] =
- ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00;
- break;
+ /* For TYPE 3 protection: 16 bit GUARD only */
+ *pfw_prot_opts |= PO_DIS_REF_TAG_VALD;
+ ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] =
+ ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00;
+ break;
}
}
-
static inline int
qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
{
struct se_cmd *se_cmd = &cmd->se_cmd;
uint32_t h;
struct atio_from_isp *atio = &prm->cmd->atio;
+ struct qla_tc_param tc;
uint16_t t16;
ha = vha->hw;
case TARGET_PROT_DIN_INSERT:
case TARGET_PROT_DOUT_STRIP:
transfer_length = data_bytes;
- data_bytes += dif_bytes;
+ if (cmd->prot_sg_cnt)
+ data_bytes += dif_bytes;
break;
-
case TARGET_PROT_DIN_STRIP:
case TARGET_PROT_DOUT_INSERT:
case TARGET_PROT_DIN_PASS:
case TARGET_PROT_DOUT_PASS:
transfer_length = data_bytes + dif_bytes;
break;
-
default:
BUG();
break;
break;
}
-
/* ---- PKT ---- */
/* Update entry type to indicate Command Type CRC_2 IOCB */
pkt->entry_type = CTIO_CRC2;
} else
ha->tgt.cmds[h-1] = prm->cmd;
-
pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
- pkt->nport_handle = prm->cmd->loop_id;
+ pkt->nport_handle = cpu_to_le16(prm->cmd->loop_id);
pkt->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
else if (cmd->dma_data_direction == DMA_FROM_DEVICE)
pkt->flags = cpu_to_le16(CTIO7_FLAGS_DATA_OUT);
-
pkt->dseg_count = prm->tot_dsds;
/* Fibre channel byte count */
pkt->transfer_length = cpu_to_le32(transfer_length);
-
/* ----- CRC context -------- */
/* Allocate CRC context from global pool */
/* Set handle */
crc_ctx_pkt->handle = pkt->handle;
- qlt_set_t10dif_tags(se_cmd, crc_ctx_pkt);
+ qla_tgt_set_dif_tags(cmd, crc_ctx_pkt, &fw_prot_opts);
pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
-
if (!bundling) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
} else {
crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
crc_ctx_pkt->guard_seed = cpu_to_le16(0);
+ memset((uint8_t *)&tc, 0 , sizeof(tc));
+ tc.vha = vha;
+ tc.blk_sz = cmd->blk_sz;
+ tc.bufflen = cmd->bufflen;
+ tc.sg = cmd->sg;
+ tc.prot_sg = cmd->prot_sg;
+ tc.ctx = crc_ctx_pkt;
+ tc.ctx_dsd_alloced = &cmd->ctx_dsd_alloced;
/* Walks data segments */
pkt->flags |= cpu_to_le16(CTIO7_FLAGS_DSD_PTR);
if (!bundling && prm->prot_seg_cnt) {
if (qla24xx_walk_and_build_sglist_no_difb(ha, NULL, cur_dsd,
- prm->tot_dsds, cmd))
+ prm->tot_dsds, &tc))
goto crc_queuing_error;
} else if (qla24xx_walk_and_build_sglist(ha, NULL, cur_dsd,
- (prm->tot_dsds - prm->prot_seg_cnt), cmd))
+ (prm->tot_dsds - prm->prot_seg_cnt), &tc))
goto crc_queuing_error;
if (bundling && prm->prot_seg_cnt) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
if (qla24xx_walk_and_build_prot_sglist(ha, NULL, cur_dsd,
- prm->prot_seg_cnt, cmd))
+ prm->prot_seg_cnt, &tc))
goto crc_queuing_error;
}
return QLA_SUCCESS;
crc_queuing_error:
/* Cleanup will be performed by the caller */
+ vha->hw->tgt.cmds[h - 1] = NULL;
return QLA_FUNCTION_FAILED;
}
-
/*
* Callback to setup response of xmit_type of QLA_TGT_XMIT_DATA and *
* QLA_TGT_XMIT_STATUS for >= 24xx silicon
else
vha->tgt_counters.core_qla_que_buf++;
- if (!vha->flags.online || cmd->reset_count != ha->chip_reset) {
+ if (!ha->flags.fw_started || cmd->reset_count != ha->chip_reset) {
/*
* Either the port is not online or this request was from
* previous life, just abort the processing.
spin_lock_irqsave(&ha->hardware_lock, flags);
- if (!vha->flags.online || (cmd->reset_count != ha->chip_reset) ||
+ if (!ha->flags.fw_started || (cmd->reset_count != ha->chip_reset) ||
(cmd->sess && cmd->sess->deleted)) {
/*
* Either the port is not online or this request was from
/*
- * Checks the guard or meta-data for the type of error
- * detected by the HBA.
+ * it is assumed either hardware_lock or qpair lock is held.
*/
-static inline int
+static void
qlt_handle_dif_error(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd,
- struct ctio_crc_from_fw *sts)
+ struct ctio_crc_from_fw *sts)
{
uint8_t *ap = &sts->actual_dif[0];
uint8_t *ep = &sts->expected_dif[0];
- uint32_t e_ref_tag, a_ref_tag;
- uint16_t e_app_tag, a_app_tag;
- uint16_t e_guard, a_guard;
uint64_t lba = cmd->se_cmd.t_task_lba;
+ uint8_t scsi_status, sense_key, asc, ascq;
+ unsigned long flags;
- a_guard = be16_to_cpu(*(uint16_t *)(ap + 0));
- a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2));
- a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4));
-
- e_guard = be16_to_cpu(*(uint16_t *)(ep + 0));
- e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2));
- e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4));
-
- ql_dbg(ql_dbg_tgt, vha, 0xe075,
- "iocb(s) %p Returned STATUS.\n", sts);
-
- ql_dbg(ql_dbg_tgt, vha, 0xf075,
- "dif check TGT cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x]\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard);
-
- /*
- * Ignore sector if:
- * For type 3: ref & app tag is all 'f's
- * For type 0,1,2: app tag is all 'f's
- */
- if ((a_app_tag == 0xffff) &&
- ((cmd->se_cmd.prot_type != TARGET_DIF_TYPE3_PROT) ||
- (a_ref_tag == 0xffffffff))) {
- uint32_t blocks_done;
-
- /* 2TB boundary case covered automatically with this */
- blocks_done = e_ref_tag - (uint32_t)lba + 1;
- cmd->se_cmd.bad_sector = e_ref_tag;
- cmd->se_cmd.pi_err = 0;
- ql_dbg(ql_dbg_tgt, vha, 0xf074,
- "need to return scsi good\n");
-
- /* Update protection tag */
- if (cmd->prot_sg_cnt) {
- uint32_t i, k = 0, num_ent;
- struct scatterlist *sg, *sgl;
-
-
- sgl = cmd->prot_sg;
-
- /* Patch the corresponding protection tags */
- for_each_sg(sgl, sg, cmd->prot_sg_cnt, i) {
- num_ent = sg_dma_len(sg) / 8;
- if (k + num_ent < blocks_done) {
- k += num_ent;
- continue;
- }
- k = blocks_done;
- break;
- }
+ cmd->trc_flags |= TRC_DIF_ERR;
- if (k != blocks_done) {
- ql_log(ql_log_warn, vha, 0xf076,
- "unexpected tag values tag:lba=%u:%llu)\n",
- e_ref_tag, (unsigned long long)lba);
- goto out;
- }
+ cmd->a_guard = be16_to_cpu(*(uint16_t *)(ap + 0));
+ cmd->a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2));
+ cmd->a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4));
-#if 0
- struct sd_dif_tuple *spt;
- /* TODO:
- * This section came from initiator. Is it valid here?
- * should ulp be override with actual val???
- */
- spt = page_address(sg_page(sg)) + sg->offset;
- spt += j;
+ cmd->e_guard = be16_to_cpu(*(uint16_t *)(ep + 0));
+ cmd->e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2));
+ cmd->e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4));
- spt->app_tag = 0xffff;
- if (cmd->se_cmd.prot_type == SCSI_PROT_DIF_TYPE3)
- spt->ref_tag = 0xffffffff;
-#endif
- }
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xf075,
+ "%s: aborted %d state %d\n", __func__, cmd->aborted, cmd->state);
- return 0;
- }
+ scsi_status = sense_key = asc = ascq = 0;
- /* check guard */
- if (e_guard != a_guard) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED;
- cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba;
-
- ql_log(ql_log_warn, vha, 0xe076,
- "Guard ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
- goto out;
+ /* check appl tag */
+ if (cmd->e_app_tag != cmd->a_app_tag) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "App Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard [%x|%x] cmd=%p ox_id[%04x]",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+
+ cmd->dif_err_code = DIF_ERR_APP;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x2;
}
/* check ref tag */
- if (e_ref_tag != a_ref_tag) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED;
- cmd->se_cmd.bad_sector = e_ref_tag;
-
- ql_log(ql_log_warn, vha, 0xe077,
- "Ref Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
+ if (cmd->e_ref_tag != cmd->a_ref_tag) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Ref Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard[%x|%x] cmd=%p ox_id[%04x] ",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+
+ cmd->dif_err_code = DIF_ERR_REF;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x3;
goto out;
}
- /* check appl tag */
- if (e_app_tag != a_app_tag) {
- cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED;
- cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba;
-
- ql_log(ql_log_warn, vha, 0xe078,
- "App Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n",
- cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba,
- a_ref_tag, e_ref_tag, a_app_tag, e_app_tag,
- a_guard, e_guard, cmd);
- goto out;
+ /* check guard */
+ if (cmd->e_guard != cmd->a_guard) {
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Guard ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] "
+ "Ref[%x|%x], App[%x|%x], "
+ "Guard [%x|%x] cmd=%p ox_id[%04x]",
+ cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks,
+ cmd->a_ref_tag, cmd->e_ref_tag,
+ cmd->a_app_tag, cmd->e_app_tag,
+ cmd->a_guard, cmd->e_guard,
+ cmd, cmd->atio.u.isp24.fcp_hdr.ox_id);
+ cmd->dif_err_code = DIF_ERR_GRD;
+ scsi_status = SAM_STAT_CHECK_CONDITION;
+ sense_key = ABORTED_COMMAND;
+ asc = 0x10;
+ ascq = 0x1;
}
out:
- return 1;
-}
+ switch (cmd->state) {
+ case QLA_TGT_STATE_NEED_DATA:
+ /* handle_data will load DIF error code */
+ cmd->state = QLA_TGT_STATE_DATA_IN;
+ vha->hw->tgt.tgt_ops->handle_data(cmd);
+ break;
+ default:
+ spin_lock_irqsave(&cmd->cmd_lock, flags);
+ if (cmd->aborted) {
+ spin_unlock_irqrestore(&cmd->cmd_lock, flags);
+ vha->hw->tgt.tgt_ops->free_cmd(cmd);
+ break;
+ }
+ spin_unlock_irqrestore(&cmd->cmd_lock, flags);
+ qlt_send_resp_ctio(vha, cmd, scsi_status, sense_key, asc, ascq);
+ /* assume scsi status gets out on the wire.
+ * Will not wait for completion.
+ */
+ vha->hw->tgt.tgt_ops->free_cmd(cmd);
+ break;
+ }
+}
/* If hardware_lock held on entry, might drop it, then reaquire */
/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */
ql_dbg(ql_dbg_tgt_tmr, vha, 0xe01c,
"Sending TERM ELS CTIO (ha=%p)\n", ha);
- pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL);
+ pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
if (pkt == NULL) {
ql_dbg(ql_dbg_tgt, vha, 0xe080,
"qla_target(%d): %s failed: unable to allocate "
{
int term = 0;
+ if (cmd->se_cmd.prot_op)
+ ql_dbg(ql_dbg_tgt_dif, vha, 0xffff,
+ "Term DIF cmd: lba[0x%llx|%lld] len[0x%x] "
+ "se_cmd=%p tag[%x] op %#x/%s",
+ cmd->lba, cmd->lba,
+ cmd->num_blks, &cmd->se_cmd,
+ cmd->atio.u.isp24.exchange_addr,
+ cmd->se_cmd.prot_op,
+ prot_op_str(cmd->se_cmd.prot_op));
+
if (ctio != NULL) {
struct ctio7_from_24xx *c = (struct ctio7_from_24xx *)ctio;
term = !(c->flags &
struct ctio_crc_from_fw *crc =
(struct ctio_crc_from_fw *)ctio;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf073,
- "qla_target(%d): CTIO with DIF_ERROR status %x received (state %x, se_cmd %p) actual_dif[0x%llx] expect_dif[0x%llx]\n",
+ "qla_target(%d): CTIO with DIF_ERROR status %x "
+ "received (state %x, ulp_cmd %p) actual_dif[0x%llx] "
+ "expect_dif[0x%llx]\n",
vha->vp_idx, status, cmd->state, se_cmd,
*((u64 *)&crc->actual_dif[0]),
*((u64 *)&crc->expected_dif[0]));
- if (qlt_handle_dif_error(vha, cmd, ctio)) {
- if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
- /* scsi Write/xfer rdy complete */
- goto skip_term;
- } else {
- /* scsi read/xmit respond complete
- * call handle dif to send scsi status
- * rather than terminate exchange.
- */
- cmd->state = QLA_TGT_STATE_PROCESSED;
- ha->tgt.tgt_ops->handle_dif_err(cmd);
- return;
- }
- } else {
- /* Need to generate a SCSI good completion.
- * because FW did not send scsi status.
- */
- status = 0;
- goto skip_term;
- }
- break;
+ qlt_handle_dif_error(vha, cmd, ctio);
+ return;
}
default:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05b,
return;
}
}
-skip_term:
if (cmd->state == QLA_TGT_STATE_PROCESSED) {
cmd->trc_flags |= TRC_CTIO_DONE;
}
if (sess != NULL) {
- if (sess->fw_login_state == DSC_LS_PLOGI_PEND) {
+ if (sess->fw_login_state != DSC_LS_PLOGI_PEND &&
+ sess->fw_login_state != DSC_LS_PLOGI_COMP) {
/*
* Impatient initiator sent PRLI before last
* PLOGI could finish. Will force him to re-try,
/* Make session global (not used in fabric mode) */
if (ha->current_topology != ISP_CFG_F) {
- set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
+ if (sess) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post nack\n",
+ __func__, __LINE__, sess->port_name);
+ qla24xx_post_nack_work(vha, sess, iocb,
+ SRB_NACK_PRLI);
+ res = 0;
+ } else {
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
} else {
if (sess) {
ql_dbg(ql_dbg_disc, vha, 0xffff,
- "%s %d %8phC post nack\n",
- __func__, __LINE__, sess->port_name);
-
+ "%s %d %8phC post nack\n",
+ __func__, __LINE__, sess->port_name);
qla24xx_post_nack_work(vha, sess, iocb,
SRB_NACK_PRLI);
res = 0;
}
break;
-
case ELS_TPRLO:
if (le16_to_cpu(iocb->u.isp24.flags) &
NOTIFY24XX_FLAGS_GLOBAL_TPRLO) {
static int
qlt_chk_qfull_thresh_hold(struct scsi_qla_host *vha,
- struct atio_from_isp *atio)
+ struct atio_from_isp *atio, bool ha_locked)
{
struct qla_hw_data *ha = vha->hw;
uint16_t status;
+ unsigned long flags;
if (ha->tgt.num_pend_cmds < Q_FULL_THRESH_HOLD(ha))
return 0;
+ if (!ha_locked)
+ spin_lock_irqsave(&ha->hardware_lock, flags);
status = temp_sam_status;
qlt_send_busy(vha, atio, status);
+ if (!ha_locked)
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
return 1;
}
unsigned long flags;
if (unlikely(tgt == NULL)) {
- ql_dbg(ql_dbg_io, vha, 0x3064,
+ ql_dbg(ql_dbg_tgt, vha, 0x3064,
"ATIO pkt, but no tgt (ha %p)", ha);
return;
}
if (likely(atio->u.isp24.fcp_cmnd.task_mgmt_flags == 0)) {
- rc = qlt_chk_qfull_thresh_hold(vha, atio);
+ rc = qlt_chk_qfull_thresh_hold(vha, atio, ha_locked);
if (rc != 0) {
tgt->atio_irq_cmd_count--;
return;
break;
}
- rc = qlt_chk_qfull_thresh_hold(vha, atio);
+ rc = qlt_chk_qfull_thresh_hold(vha, atio, true);
if (rc != 0) {
tgt->irq_cmd_count--;
return;
fcport->loop_id = loop_id;
- rc = qla2x00_get_port_database(vha, fcport, 0);
+ rc = qla24xx_gpdb_wait(vha, fcport, 0);
if (rc != QLA_SUCCESS) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf070,
"qla_target(%d): Failed to retrieve fcport "
}
}
- spin_lock_irqsave(&ha->hardware_lock, flags);
-
- if (tgt->tgt_stop)
- goto out_term;
-
rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
+
if (rc != 0)
goto out_term;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if (sess)
- ha->tgt.tgt_ops->put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
return;
out_term2:
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
out_term:
+ spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- if (sess)
- ha->tgt.tgt_ops->put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
}
static void qlt_tmr_work(struct qla_tgt *tgt,
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (tgt->tgt_stop)
- goto out_term;
+ goto out_term2;
s_id = prm->tm_iocb2.u.isp24.fcp_hdr.s_id;
sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id);
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (!sess)
- goto out_term;
+ goto out_term2;
} else {
if (sess->deleted) {
sess = NULL;
- goto out_term;
+ goto out_term2;
}
if (!kref_get_unless_zero(&sess->sess_kref)) {
"%s: kref_get fail %8phC\n",
__func__, sess->port_name);
sess = NULL;
- goto out_term;
+ goto out_term2;
}
}
unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
- if (rc != 0)
- goto out_term;
-
ha->tgt.tgt_ops->put_sess(sess);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
+ if (rc != 0)
+ goto out_term;
return;
+out_term2:
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
out_term:
qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1, 0);
- ha->tgt.tgt_ops->put_sess(sess);
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
}
static void qlt_sess_work_fn(struct work_struct *work)
tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX;
tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX;
- if (base_vha->fc_vport)
- return 0;
-
mutex_lock(&qla_tgt_mutex);
list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist);
mutex_unlock(&qla_tgt_mutex);
+ if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->add_target)
+ ha->tgt.tgt_ops->add_target(base_vha);
+
return 0;
}
return 0;
}
+void qlt_remove_target_resources(struct qla_hw_data *ha)
+{
+ struct scsi_qla_host *node;
+ u32 key = 0;
+
+ btree_for_each_safe32(&ha->tgt.host_map, key, node)
+ btree_remove32(&ha->tgt.host_map, key);
+
+ btree_destroy32(&ha->tgt.host_map);
+}
+
static void qlt_lport_dump(struct scsi_qla_host *vha, u64 wwpn,
unsigned char *b)
{
struct atio_from_isp *pkt;
int cnt, i;
- if (!vha->flags.online)
+ if (!ha->flags.fw_started)
return;
while ((ha->tgt.atio_ring_ptr->signature != ATIO_PROCESSED) ||
void
qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
{
+ int rc;
+
if (!QLA_TGT_MODE_ENABLED())
return;
qlt_unknown_atio_work_fn);
qlt_clear_mode(base_vha);
+
+ rc = btree_init32(&ha->tgt.host_map);
+ if (rc)
+ ql_log(ql_log_info, base_vha, 0xffff,
+ "Unable to initialize ha->host_map btree\n");
+
+ qlt_update_vp_map(base_vha, SET_VP_IDX);
}
irqreturn_t
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_response_pkt_all_vps(vha, (response_t *)&op->atio);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ kfree(op);
}
void
void
qlt_update_vp_map(struct scsi_qla_host *vha, int cmd)
{
+ void *slot;
+ u32 key;
+ int rc;
+
if (!QLA_TGT_MODE_ENABLED())
return;
+ key = vha->d_id.b24;
+
switch (cmd) {
case SET_VP_IDX:
vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = vha;
break;
case SET_AL_PA:
- vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = vha->vp_idx;
+ slot = btree_lookup32(&vha->hw->tgt.host_map, key);
+ if (!slot) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "Save vha in host_map %p %06x\n", vha, key);
+ rc = btree_insert32(&vha->hw->tgt.host_map,
+ key, vha, GFP_ATOMIC);
+ if (rc)
+ ql_log(ql_log_info, vha, 0xffff,
+ "Unable to insert s_id into host_map: %06x\n",
+ key);
+ return;
+ }
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "replace existing vha in host_map %p %06x\n", vha, key);
+ btree_update32(&vha->hw->tgt.host_map, key, vha);
break;
case RESET_VP_IDX:
vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = NULL;
break;
case RESET_AL_PA:
- vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = 0;
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff,
+ "clear vha in host_map %p %06x\n", vha, key);
+ slot = btree_lookup32(&vha->hw->tgt.host_map, key);
+ if (slot)
+ btree_remove32(&vha->hw->tgt.host_map, key);
+ vha->d_id.b24 = 0;
break;
}
}
+void qlt_update_host_map(struct scsi_qla_host *vha, port_id_t id)
+{
+ unsigned long flags;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!vha->d_id.b24) {
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ vha->d_id = id;
+ qlt_update_vp_map(vha, SET_AL_PA);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+ } else if (vha->d_id.b24 != id.b24) {
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ qlt_update_vp_map(vha, RESET_AL_PA);
+ vha->d_id = id;
+ qlt_update_vp_map(vha, SET_AL_PA);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+ }
+}
+
static int __init qlt_parse_ini_mode(void)
{
if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_EXCLUSIVE) == 0)
atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
}
+static inline int get_datalen_for_atio(struct atio_from_isp *atio)
+{
+ int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
+
+ return (be32_to_cpu(get_unaligned((uint32_t *)
+ &atio->u.isp24.fcp_cmnd.add_cdb[len * 4])));
+}
+
#define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
/*
int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
unsigned char *, uint32_t, int, int, int);
void (*handle_data)(struct qla_tgt_cmd *);
- void (*handle_dif_err)(struct qla_tgt_cmd *);
int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint16_t,
uint32_t);
void (*free_cmd)(struct qla_tgt_cmd *);
void (*clear_nacl_from_fcport_map)(struct fc_port *);
void (*put_sess)(struct fc_port *);
void (*shutdown_sess)(struct fc_port *);
+ int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
+ int (*chk_dif_tags)(uint32_t tag);
+ void (*add_target)(struct scsi_qla_host *);
};
int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
#define QLA_TGT_ABORT_ALL 0xFFFE
#define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD
#define QLA_TGT_NEXUS_LOSS 0xFFFC
-#define QLA_TGT_ABTS 0xFFFB
-#define QLA_TGT_2G_ABORT_TASK 0xFFFA
+#define QLA_TGT_ABTS 0xFFFB
+#define QLA_TGT_2G_ABORT_TASK 0xFFFA
/* Notify Acknowledge flags */
#define NOTIFY_ACK_RES_COUNT BIT_8
TRC_CMD_FREE = BIT_17,
TRC_DATA_IN = BIT_18,
TRC_ABORT = BIT_19,
+ TRC_DIF_ERR = BIT_20,
};
struct qla_tgt_cmd {
unsigned int sg_mapped:1;
unsigned int free_sg:1;
unsigned int write_data_transferred:1;
- unsigned int ctx_dsd_alloced:1;
unsigned int q_full:1;
unsigned int term_exchg:1;
unsigned int cmd_sent_to_fw:1;
struct list_head cmd_list;
struct atio_from_isp atio;
- /* t10dif */
+
+ uint8_t ctx_dsd_alloced;
+
+ /* T10-DIF */
+#define DIF_ERR_NONE 0
+#define DIF_ERR_GRD 1
+#define DIF_ERR_REF 2
+#define DIF_ERR_APP 3
+ int8_t dif_err_code;
struct scatterlist *prot_sg;
uint32_t prot_sg_cnt;
- uint32_t blk_sz;
+ uint32_t blk_sz, num_blks;
+ uint8_t scsi_status, sense_key, asc, ascq;
+
struct crc_context *ctx;
+ uint8_t *cdb;
+ uint64_t lba;
+ uint16_t a_guard, e_guard, a_app_tag, e_app_tag;
+ uint32_t a_ref_tag, e_ref_tag;
uint64_t jiffies_at_alloc;
uint64_t jiffies_at_free;
extern void qlt_logo_completion_handler(fc_port_t *, int);
extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
+void qlt_send_resp_ctio(scsi_qla_host_t *, struct qla_tgt_cmd *, uint8_t,
+ uint8_t, uint8_t, uint8_t);
+
#endif /* __QLA_TARGET_H */
/*
* Driver version
*/
-#define QLA2XXX_VERSION "8.07.00.38-k"
+#define QLA2XXX_VERSION "9.00.00.00-k"
-#define QLA_DRIVER_MAJOR_VER 8
-#define QLA_DRIVER_MINOR_VER 7
+#define QLA_DRIVER_MAJOR_VER 9
+#define QLA_DRIVER_MINOR_VER 0
#define QLA_DRIVER_PATCH_VER 0
#define QLA_DRIVER_BETA_VER 0
return;
}
+ switch (cmd->dif_err_code) {
+ case DIF_ERR_GRD:
+ cmd->se_cmd.pi_err =
+ TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED;
+ break;
+ case DIF_ERR_REF:
+ cmd->se_cmd.pi_err =
+ TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED;
+ break;
+ case DIF_ERR_APP:
+ cmd->se_cmd.pi_err =
+ TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED;
+ break;
+ case DIF_ERR_NONE:
+ default:
+ break;
+ }
+
if (cmd->se_cmd.pi_err)
transport_generic_request_failure(&cmd->se_cmd,
cmd->se_cmd.pi_err);
queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work);
}
-static void tcm_qla2xxx_handle_dif_work(struct work_struct *work)
+static int tcm_qla2xxx_chk_dif_tags(uint32_t tag)
{
- struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
-
- /* take an extra kref to prevent cmd free too early.
- * need to wait for SCSI status/check condition to
- * finish responding generate by transport_generic_request_failure.
- */
- kref_get(&cmd->se_cmd.cmd_kref);
- transport_generic_request_failure(&cmd->se_cmd, cmd->se_cmd.pi_err);
+ return 0;
}
-/*
- * Called from qla_target.c:qlt_do_ctio_completion()
- */
-static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd *cmd)
+static int tcm_qla2xxx_dif_tags(struct qla_tgt_cmd *cmd,
+ uint16_t *pfw_prot_opts)
{
- INIT_WORK(&cmd->work, tcm_qla2xxx_handle_dif_work);
- queue_work(tcm_qla2xxx_free_wq, &cmd->work);
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+
+ if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_GUARD))
+ *pfw_prot_opts |= PO_DISABLE_GUARD_CHECK;
+
+ if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_APPTAG))
+ *pfw_prot_opts |= PO_DIS_APP_TAG_VALD;
+
+ return 0;
}
/*
static struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
.handle_cmd = tcm_qla2xxx_handle_cmd,
.handle_data = tcm_qla2xxx_handle_data,
- .handle_dif_err = tcm_qla2xxx_handle_dif_err,
.handle_tmr = tcm_qla2xxx_handle_tmr,
.free_cmd = tcm_qla2xxx_free_cmd,
.free_mcmd = tcm_qla2xxx_free_mcmd,
.clear_nacl_from_fcport_map = tcm_qla2xxx_clear_nacl_from_fcport_map,
.put_sess = tcm_qla2xxx_put_sess,
.shutdown_sess = tcm_qla2xxx_shutdown_sess,
+ .get_dif_tags = tcm_qla2xxx_dif_tags,
+ .chk_dif_tags = tcm_qla2xxx_chk_dif_tags,
};
static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
if (kstrtoul(buf, 0, &value))
return -EINVAL;
- if ((value < UFS_PM_LVL_0) || (value >= UFS_PM_LVL_MAX))
+ if (value >= UFS_PM_LVL_MAX)
return -EINVAL;
spin_lock_irqsave(hba->host->host_lock, flags);
#include "target_core_ua.h"
static sense_reason_t core_alua_check_transition(int state, int valid,
- int *primary);
+ int *primary, int explicit);
static int core_alua_set_tg_pt_secondary_state(
struct se_lun *lun, int explicit, int offline);
* the state is a primary or secondary target port asymmetric
* access state.
*/
- rc = core_alua_check_transition(alua_access_state,
- valid_states, &primary);
+ rc = core_alua_check_transition(alua_access_state, valid_states,
+ &primary, 1);
if (rc) {
/*
* If the SET TARGET PORT GROUPS attempts to establish
if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)
return 0;
- if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA)
return 0;
/*
* Check implicit and explicit ALUA state change request.
*/
static sense_reason_t
-core_alua_check_transition(int state, int valid, int *primary)
+core_alua_check_transition(int state, int valid, int *primary, int explicit)
{
/*
* OPTIMIZED, NON-OPTIMIZED, STANDBY and UNAVAILABLE are
*primary = 0;
break;
case ALUA_ACCESS_STATE_TRANSITION:
- /*
- * Transitioning is set internally, and
- * cannot be selected manually.
- */
- goto not_supported;
+ if (!(valid & ALUA_T_SUP) || explicit)
+ /*
+ * Transitioning is set internally and by tcmu daemon,
+ * and cannot be selected through a STPG.
+ */
+ goto not_supported;
+ *primary = 0;
+ break;
default:
pr_err("Unknown ALUA access state: 0x%02x\n", state);
return TCM_INVALID_PARAMETER_LIST;
static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
{
struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(work,
- struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work.work);
+ struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work);
struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
bool explicit = (tg_pt_gp->tg_pt_gp_alua_access_status ==
ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG);
if (atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) == new_state)
return 0;
- if (new_state == ALUA_ACCESS_STATE_TRANSITION)
+ if (explicit && new_state == ALUA_ACCESS_STATE_TRANSITION)
return -EAGAIN;
/*
* Flush any pending transitions
*/
- if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs &&
- atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) ==
- ALUA_ACCESS_STATE_TRANSITION) {
- /* Just in case */
- tg_pt_gp->tg_pt_gp_alua_pending_state = new_state;
- tg_pt_gp->tg_pt_gp_transition_complete = &wait;
- flush_delayed_work(&tg_pt_gp->tg_pt_gp_transition_work);
- wait_for_completion(&wait);
- tg_pt_gp->tg_pt_gp_transition_complete = NULL;
- return 0;
- }
+ if (!explicit)
+ flush_work(&tg_pt_gp->tg_pt_gp_transition_work);
/*
* Save the old primary ALUA access state, and set the current state
* to ALUA_ACCESS_STATE_TRANSITION.
*/
- tg_pt_gp->tg_pt_gp_alua_previous_state =
- atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state);
- tg_pt_gp->tg_pt_gp_alua_pending_state = new_state;
-
atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state,
ALUA_ACCESS_STATE_TRANSITION);
tg_pt_gp->tg_pt_gp_alua_access_status = (explicit) ?
core_alua_queue_state_change_ua(tg_pt_gp);
+ if (new_state == ALUA_ACCESS_STATE_TRANSITION)
+ return 0;
+
+ tg_pt_gp->tg_pt_gp_alua_previous_state =
+ atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state);
+ tg_pt_gp->tg_pt_gp_alua_pending_state = new_state;
+
/*
* Check for the optional ALUA primary state transition delay
*/
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
- if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs) {
- unsigned long transition_tmo;
-
- transition_tmo = tg_pt_gp->tg_pt_gp_implicit_trans_secs * HZ;
- queue_delayed_work(tg_pt_gp->tg_pt_gp_dev->tmr_wq,
- &tg_pt_gp->tg_pt_gp_transition_work,
- transition_tmo);
- } else {
+ schedule_work(&tg_pt_gp->tg_pt_gp_transition_work);
+ if (explicit) {
tg_pt_gp->tg_pt_gp_transition_complete = &wait;
- queue_delayed_work(tg_pt_gp->tg_pt_gp_dev->tmr_wq,
- &tg_pt_gp->tg_pt_gp_transition_work, 0);
wait_for_completion(&wait);
tg_pt_gp->tg_pt_gp_transition_complete = NULL;
}
struct t10_alua_tg_pt_gp *tg_pt_gp;
int primary, valid_states, rc = 0;
+ if (l_dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA)
+ return -ENODEV;
+
valid_states = l_tg_pt_gp->tg_pt_gp_alua_supported_states;
- if (core_alua_check_transition(new_state, valid_states, &primary) != 0)
+ if (core_alua_check_transition(new_state, valid_states, &primary,
+ explicit) != 0)
return -EINVAL;
local_lu_gp_mem = l_dev->dev_alua_lu_gp_mem;
mutex_init(&tg_pt_gp->tg_pt_gp_md_mutex);
spin_lock_init(&tg_pt_gp->tg_pt_gp_lock);
atomic_set(&tg_pt_gp->tg_pt_gp_ref_cnt, 0);
- INIT_DELAYED_WORK(&tg_pt_gp->tg_pt_gp_transition_work,
- core_alua_do_transition_tg_pt_work);
+ INIT_WORK(&tg_pt_gp->tg_pt_gp_transition_work,
+ core_alua_do_transition_tg_pt_work);
tg_pt_gp->tg_pt_gp_dev = dev;
atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state,
ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED);
dev->t10_alua.alua_tg_pt_gps_counter--;
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
- flush_delayed_work(&tg_pt_gp->tg_pt_gp_transition_work);
+ flush_work(&tg_pt_gp->tg_pt_gp_transition_work);
/*
* Allow a struct t10_alua_tg_pt_gp_member * referenced by
unsigned char buf[TG_PT_GROUP_NAME_BUF];
int move = 0;
- if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH ||
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA ||
(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
return -ENODEV;
unsigned long tmp;
int ret;
- if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH ||
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA ||
(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
return -ENODEV;
int core_setup_alua(struct se_device *dev)
{
- if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
+ if (!(dev->transport->transport_flags &
+ TRANSPORT_FLAG_PASSTHROUGH_ALUA) &&
!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) {
struct t10_alua_lu_gp_member *lu_gp_mem;
pr_err("Missing tfo->aborted_task()\n");
return -EINVAL;
}
+ if (!tfo->check_stop_free) {
+ pr_err("Missing tfo->check_stop_free()\n");
+ return -EINVAL;
+ }
/*
* We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn()
* tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in
buf = kzalloc(12, GFP_KERNEL);
if (!buf)
- return;
+ goto out_free;
memset(cdb, 0, MAX_COMMAND_SIZE);
cdb[0] = MODE_SENSE;
* If MODE_SENSE still returns zero, set the default value to 1024.
*/
sdev->sector_size = (buf[9] << 16) | (buf[10] << 8) | (buf[11]);
+out_free:
if (!sdev->sector_size)
sdev->sector_size = 1024;
-out_free:
+
kfree(buf);
}
sd->lun, sd->queue_depth);
}
- dev->dev_attrib.hw_block_size = sd->sector_size;
+ dev->dev_attrib.hw_block_size =
+ min_not_zero((int)sd->sector_size, 512);
dev->dev_attrib.hw_max_sectors =
- min_t(int, sd->host->max_sectors, queue_max_hw_sectors(q));
+ min_not_zero(sd->host->max_sectors, queue_max_hw_sectors(q));
dev->dev_attrib.hw_queue_depth = sd->queue_depth;
/*
/*
* For TYPE_TAPE, attempt to determine blocksize with MODE_SENSE.
*/
- if (sd->type == TYPE_TAPE)
+ if (sd->type == TYPE_TAPE) {
pscsi_tape_read_blocksize(dev, sd);
+ dev->dev_attrib.hw_block_size = sd->sector_size;
+ }
return 0;
}
/*
* Called with struct Scsi_Host->host_lock called.
*/
-static int pscsi_create_type_rom(struct se_device *dev, struct scsi_device *sd)
+static int pscsi_create_type_nondisk(struct se_device *dev, struct scsi_device *sd)
__releases(sh->host_lock)
{
struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
return 0;
}
-/*
- * Called with struct Scsi_Host->host_lock called.
- */
-static int pscsi_create_type_other(struct se_device *dev,
- struct scsi_device *sd)
- __releases(sh->host_lock)
-{
- struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
- struct Scsi_Host *sh = sd->host;
- int ret;
-
- spin_unlock_irq(sh->host_lock);
- ret = pscsi_add_device_to_list(dev, sd);
- if (ret)
- return ret;
-
- pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%llu\n",
- phv->phv_host_id, scsi_device_type(sd->type), sh->host_no,
- sd->channel, sd->id, sd->lun);
- return 0;
-}
-
static int pscsi_configure_device(struct se_device *dev)
{
struct se_hba *hba = dev->se_hba;
case TYPE_DISK:
ret = pscsi_create_type_disk(dev, sd);
break;
- case TYPE_ROM:
- ret = pscsi_create_type_rom(dev, sd);
- break;
default:
- ret = pscsi_create_type_other(dev, sd);
+ ret = pscsi_create_type_nondisk(dev, sd);
break;
}
else if (pdv->pdv_lld_host)
scsi_host_put(pdv->pdv_lld_host);
- if ((sd->type == TYPE_DISK) || (sd->type == TYPE_ROM))
- scsi_device_put(sd);
+ scsi_device_put(sd);
pdv->pdv_sd = NULL;
}
if (pdv->pdv_bd && pdv->pdv_bd->bd_part)
return pdv->pdv_bd->bd_part->nr_sects;
- dump_stack();
return 0;
}
static const struct target_backend_ops pscsi_ops = {
.name = "pscsi",
.owner = THIS_MODULE,
- .transport_flags = TRANSPORT_FLAG_PASSTHROUGH,
+ .transport_flags = TRANSPORT_FLAG_PASSTHROUGH |
+ TRANSPORT_FLAG_PASSTHROUGH_ALUA,
.attach_hba = pscsi_attach_hba,
.detach_hba = pscsi_detach_hba,
.pmode_enable_hba = pscsi_pmode_enable_hba,
return ret;
break;
case VERIFY:
+ case VERIFY_16:
size = 0;
- sectors = transport_get_sectors_10(cdb);
- cmd->t_task_lba = transport_lba_32(cdb);
+ if (cdb[0] == VERIFY) {
+ sectors = transport_get_sectors_10(cdb);
+ cmd->t_task_lba = transport_lba_32(cdb);
+ } else {
+ sectors = transport_get_sectors_16(cdb);
+ cmd->t_task_lba = transport_lba_64(cdb);
+ }
cmd->execute_cmd = sbc_emulate_noop;
goto check_lba;
case REZERO_UNIT:
if (ret)
goto out_kill_ref;
- if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
+ if (!(dev->transport->transport_flags &
+ TRANSPORT_FLAG_PASSTHROUGH_ALUA) &&
!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
target_attach_tg_pt_gp(lun, dev->t10_alua.default_tg_pt_gp);
* Fabric modules are expected to return '1' here if the se_cmd being
* passed is released at this point, or zero if not being released.
*/
- return cmd->se_tfo->check_stop_free ? cmd->se_tfo->check_stop_free(cmd)
- : 0;
+ return cmd->se_tfo->check_stop_free(cmd);
}
static void transport_lun_remove_cmd(struct se_cmd *cmd)
#include <linux/stringify.h>
#include <linux/bitops.h>
#include <linux/highmem.h>
+#include <linux/configfs.h>
#include <net/genetlink.h>
#include <scsi/scsi_common.h>
#include <scsi/scsi_proto.h>
spinlock_t commands_lock;
struct timer_list timeout;
+ unsigned int cmd_time_out;
char dev_config[TCMU_CONFIG_LEN];
};
tcmu_cmd->se_cmd = se_cmd;
tcmu_cmd->tcmu_dev = udev;
- tcmu_cmd->deadline = jiffies + msecs_to_jiffies(TCMU_TIME_OUT);
+ if (udev->cmd_time_out)
+ tcmu_cmd->deadline = jiffies +
+ msecs_to_jiffies(udev->cmd_time_out);
idr_preload(GFP_KERNEL);
spin_lock_irq(&udev->commands_lock);
pr_debug("sleeping for ring space\n");
spin_unlock_irq(&udev->cmdr_lock);
- ret = schedule_timeout(msecs_to_jiffies(TCMU_TIME_OUT));
+ if (udev->cmd_time_out)
+ ret = schedule_timeout(
+ msecs_to_jiffies(udev->cmd_time_out));
+ else
+ ret = schedule_timeout(msecs_to_jiffies(TCMU_TIME_OUT));
finish_wait(&udev->wait_cmdr, &__wait);
if (!ret) {
pr_warn("tcmu: command timed out\n");
/* TODO: only if FLUSH and FUA? */
uio_event_notify(&udev->uio_info);
- mod_timer(&udev->timeout,
- round_jiffies_up(jiffies + msecs_to_jiffies(TCMU_TIME_OUT)));
+ if (udev->cmd_time_out)
+ mod_timer(&udev->timeout, round_jiffies_up(jiffies +
+ msecs_to_jiffies(udev->cmd_time_out)));
return TCM_NO_SENSE;
}
}
udev->hba = hba;
+ udev->cmd_time_out = TCMU_TIME_OUT;
init_waitqueue_head(&udev->wait_cmdr);
spin_lock_init(&udev->cmdr_lock);
if (dev->dev_attrib.hw_block_size == 0)
dev->dev_attrib.hw_block_size = 512;
/* Other attributes can be configured in userspace */
- dev->dev_attrib.hw_max_sectors = 128;
+ if (!dev->dev_attrib.hw_max_sectors)
+ dev->dev_attrib.hw_max_sectors = 128;
dev->dev_attrib.hw_queue_depth = 128;
ret = tcmu_netlink_event(TCMU_CMD_ADDED_DEVICE, udev->uio_info.name,
kfree(udev);
}
+static bool tcmu_dev_configured(struct tcmu_dev *udev)
+{
+ return udev->uio_info.uio_dev ? true : false;
+}
+
static void tcmu_free_device(struct se_device *dev)
{
struct tcmu_dev *udev = TCMU_DEV(dev);
spin_unlock_irq(&udev->commands_lock);
WARN_ON(!all_expired);
- /* Device was configured */
- if (udev->uio_info.uio_dev) {
+ if (tcmu_dev_configured(udev)) {
tcmu_netlink_event(TCMU_CMD_REMOVED_DEVICE, udev->uio_info.name,
udev->uio_info.uio_dev->minor);
}
enum {
- Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_err,
+ Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_hw_max_sectors,
+ Opt_err,
};
static match_table_t tokens = {
{Opt_dev_config, "dev_config=%s"},
{Opt_dev_size, "dev_size=%u"},
{Opt_hw_block_size, "hw_block_size=%u"},
+ {Opt_hw_max_sectors, "hw_max_sectors=%u"},
{Opt_err, NULL}
};
+static int tcmu_set_dev_attrib(substring_t *arg, u32 *dev_attrib)
+{
+ unsigned long tmp_ul;
+ char *arg_p;
+ int ret;
+
+ arg_p = match_strdup(arg);
+ if (!arg_p)
+ return -ENOMEM;
+
+ ret = kstrtoul(arg_p, 0, &tmp_ul);
+ kfree(arg_p);
+ if (ret < 0) {
+ pr_err("kstrtoul() failed for dev attrib\n");
+ return ret;
+ }
+ if (!tmp_ul) {
+ pr_err("dev attrib must be nonzero\n");
+ return -EINVAL;
+ }
+ *dev_attrib = tmp_ul;
+ return 0;
+}
+
static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev,
const char *page, ssize_t count)
{
char *orig, *ptr, *opts, *arg_p;
substring_t args[MAX_OPT_ARGS];
int ret = 0, token;
- unsigned long tmp_ul;
opts = kstrdup(page, GFP_KERNEL);
if (!opts)
pr_err("kstrtoul() failed for dev_size=\n");
break;
case Opt_hw_block_size:
- arg_p = match_strdup(&args[0]);
- if (!arg_p) {
- ret = -ENOMEM;
- break;
- }
- ret = kstrtoul(arg_p, 0, &tmp_ul);
- kfree(arg_p);
- if (ret < 0) {
- pr_err("kstrtoul() failed for hw_block_size=\n");
- break;
- }
- if (!tmp_ul) {
- pr_err("hw_block_size must be nonzero\n");
- break;
- }
- dev->dev_attrib.hw_block_size = tmp_ul;
+ ret = tcmu_set_dev_attrib(&args[0],
+ &(dev->dev_attrib.hw_block_size));
+ break;
+ case Opt_hw_max_sectors:
+ ret = tcmu_set_dev_attrib(&args[0],
+ &(dev->dev_attrib.hw_max_sectors));
break;
default:
break;
}
+
+ if (ret)
+ break;
}
kfree(orig);
return passthrough_parse_cdb(cmd, tcmu_queue_cmd);
}
-static const struct target_backend_ops tcmu_ops = {
+static ssize_t tcmu_cmd_time_out_show(struct config_item *item, char *page)
+{
+ struct se_dev_attrib *da = container_of(to_config_group(item),
+ struct se_dev_attrib, da_group);
+ struct tcmu_dev *udev = container_of(da->da_dev,
+ struct tcmu_dev, se_dev);
+
+ return snprintf(page, PAGE_SIZE, "%lu\n", udev->cmd_time_out / MSEC_PER_SEC);
+}
+
+static ssize_t tcmu_cmd_time_out_store(struct config_item *item, const char *page,
+ size_t count)
+{
+ struct se_dev_attrib *da = container_of(to_config_group(item),
+ struct se_dev_attrib, da_group);
+ struct tcmu_dev *udev = container_of(da->da_dev,
+ struct tcmu_dev, se_dev);
+ u32 val;
+ int ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("Unable to set tcmu cmd_time_out while exports exist\n");
+ return -EINVAL;
+ }
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (!val) {
+ pr_err("Illegal value for cmd_time_out\n");
+ return -EINVAL;
+ }
+
+ udev->cmd_time_out = val * MSEC_PER_SEC;
+ return count;
+}
+CONFIGFS_ATTR(tcmu_, cmd_time_out);
+
+static struct configfs_attribute **tcmu_attrs;
+
+static struct target_backend_ops tcmu_ops = {
.name = "user",
.owner = THIS_MODULE,
.transport_flags = TRANSPORT_FLAG_PASSTHROUGH,
.show_configfs_dev_params = tcmu_show_configfs_dev_params,
.get_device_type = sbc_get_device_type,
.get_blocks = tcmu_get_blocks,
- .tb_dev_attrib_attrs = passthrough_attrib_attrs,
+ .tb_dev_attrib_attrs = NULL,
};
static int __init tcmu_module_init(void)
{
- int ret;
+ int ret, i, len = 0;
BUILD_BUG_ON((sizeof(struct tcmu_cmd_entry) % TCMU_OP_ALIGN_SIZE) != 0);
goto out_unreg_device;
}
+ for (i = 0; passthrough_attrib_attrs[i] != NULL; i++) {
+ len += sizeof(struct configfs_attribute *);
+ }
+ len += sizeof(struct configfs_attribute *) * 2;
+
+ tcmu_attrs = kzalloc(len, GFP_KERNEL);
+ if (!tcmu_attrs) {
+ ret = -ENOMEM;
+ goto out_unreg_genl;
+ }
+
+ for (i = 0; passthrough_attrib_attrs[i] != NULL; i++) {
+ tcmu_attrs[i] = passthrough_attrib_attrs[i];
+ }
+ tcmu_attrs[i] = &tcmu_attr_cmd_time_out;
+ tcmu_ops.tb_dev_attrib_attrs = tcmu_attrs;
+
ret = transport_backend_register(&tcmu_ops);
if (ret)
- goto out_unreg_genl;
+ goto out_attrs;
return 0;
+out_attrs:
+ kfree(tcmu_attrs);
out_unreg_genl:
genl_unregister_family(&tcmu_genl_family);
out_unreg_device:
static void __exit tcmu_module_exit(void)
{
target_backend_unregister(&tcmu_ops);
+ kfree(tcmu_attrs);
genl_unregister_family(&tcmu_genl_family);
root_device_unregister(tcmu_root_device);
kmem_cache_destroy(tcmu_cmd_cache);
pinctrl_select_state(ascport->pinctrl,
ascport->states[NO_HW_FLOWCTRL]);
- gpiod = devm_get_gpiod_from_child(port->dev, "rts",
- &np->fwnode);
- if (!IS_ERR(gpiod)) {
- gpiod_direction_output(gpiod, 0);
+ gpiod = devm_fwnode_get_gpiod_from_child(port->dev,
+ "rts",
+ &np->fwnode,
+ GPIOD_OUT_LOW,
+ np->name);
+ if (!IS_ERR(gpiod))
ascport->rts = gpiod;
- }
}
}
return len;
}
+static int
+vhost_transport_cancel_pkt(struct vsock_sock *vsk)
+{
+ struct vhost_vsock *vsock;
+ struct virtio_vsock_pkt *pkt, *n;
+ int cnt = 0;
+ LIST_HEAD(freeme);
+
+ /* Find the vhost_vsock according to guest context id */
+ vsock = vhost_vsock_get(vsk->remote_addr.svm_cid);
+ if (!vsock)
+ return -ENODEV;
+
+ spin_lock_bh(&vsock->send_pkt_list_lock);
+ list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) {
+ if (pkt->vsk != vsk)
+ continue;
+ list_move(&pkt->list, &freeme);
+ }
+ spin_unlock_bh(&vsock->send_pkt_list_lock);
+
+ list_for_each_entry_safe(pkt, n, &freeme, list) {
+ if (pkt->reply)
+ cnt++;
+ list_del(&pkt->list);
+ virtio_transport_free_pkt(pkt);
+ }
+
+ if (cnt) {
+ struct vhost_virtqueue *tx_vq = &vsock->vqs[VSOCK_VQ_TX];
+ int new_cnt;
+
+ new_cnt = atomic_sub_return(cnt, &vsock->queued_replies);
+ if (new_cnt + cnt >= tx_vq->num && new_cnt < tx_vq->num)
+ vhost_poll_queue(&tx_vq->poll);
+ }
+
+ return 0;
+}
+
static struct virtio_vsock_pkt *
vhost_vsock_alloc_pkt(struct vhost_virtqueue *vq,
unsigned int out, unsigned int in)
.release = virtio_transport_release,
.connect = virtio_transport_connect,
.shutdown = virtio_transport_shutdown,
+ .cancel_pkt = vhost_transport_cancel_pkt,
.dgram_enqueue = virtio_transport_dgram_enqueue,
.dgram_dequeue = virtio_transport_dgram_dequeue,
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/refcount.h>
#include <xen/xen.h>
#include <xen/grant_table.h>
int index;
int count;
int flags;
- atomic_t users;
+ refcount_t users;
struct unmap_notify notify;
struct ioctl_gntdev_grant_ref *grants;
struct gnttab_map_grant_ref *map_ops;
add->index = 0;
add->count = count;
- atomic_set(&add->users, 1);
+ refcount_set(&add->users, 1);
return add;
if (!map)
return;
- if (!atomic_dec_and_test(&map->users))
+ if (!refcount_dec_and_test(&map->users))
return;
atomic_sub(map->count, &pages_mapped);
struct grant_map *map = vma->vm_private_data;
pr_debug("gntdev_vma_open %p\n", vma);
- atomic_inc(&map->users);
+ refcount_inc(&map->users);
}
static void gntdev_vma_close(struct vm_area_struct *vma)
goto unlock_out;
}
- atomic_inc(&map->users);
+ refcount_inc(&map->users);
vma->vm_ops = &gntdev_vmops;
{
struct afs_server *server;
struct afs_vnode *vnode, *xvnode;
- time_t now;
+ time64_t now;
long timeout;
int ret;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
/* find the first vnode to update */
spin_lock(&server->cb_lock);
/* and then reschedule */
_debug("reschedule");
- vnode->update_at = get_seconds() + afs_vnode_update_timeout;
+ vnode->update_at = ktime_get_real_seconds() +
+ afs_vnode_update_timeout;
spin_lock(&server->cb_lock);
struct afs_callback *cb;
struct afs_server *server;
__be32 *bp;
- u32 tmp;
int ret, loop;
_enter("{%u}", call->unmarshall);
if (ret < 0)
return ret;
- tmp = ntohl(call->tmp);
- _debug("CB count: %u", tmp);
- if (tmp != call->count && tmp != 0)
+ call->count2 = ntohl(call->tmp);
+ _debug("CB count: %u", call->count2);
+ if (call->count2 != call->count && call->count2 != 0)
return -EBADMSG;
call->offset = 0;
call->unmarshall++;
case 4:
_debug("extract CB array");
ret = afs_extract_data(call, call->buffer,
- call->count * 3 * 4, false);
+ call->count2 * 3 * 4, false);
if (ret < 0)
return ret;
_debug("unmarshall CB array");
cb = call->request;
bp = call->buffer;
- for (loop = call->count; loop > 0; loop--, cb++) {
+ for (loop = call->count2; loop > 0; loop--, cb++) {
cb->version = ntohl(*bp++);
cb->expiry = ntohl(*bp++);
cb->type = ntohl(*bp++);
const struct file_operations afs_file_operations = {
.open = afs_open,
+ .flush = afs_flush,
.release = afs_release,
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
if (!req)
goto enomem;
+ /* We request a full page. If the page is a partial one at the
+ * end of the file, the server will return a short read and the
+ * unmarshalling code will clear the unfilled space.
+ */
atomic_set(&req->usage, 1);
req->pos = (loff_t)page->index << PAGE_SHIFT;
- req->len = min_t(size_t, i_size_read(inode) - req->pos,
- PAGE_SIZE);
+ req->len = PAGE_SIZE;
req->nr_pages = 1;
req->pages[0] = page;
get_page(page);
fscache_uncache_page(vnode->cache, page);
#endif
BUG_ON(PageFsCache(page));
- goto error;
+
+ if (ret == -EINTR ||
+ ret == -ENOMEM ||
+ ret == -ERESTARTSYS ||
+ ret == -EAGAIN)
+ goto error;
+ goto io_error;
}
SetPageUptodate(page);
_leave(" = 0");
return 0;
+io_error:
+ SetPageError(page);
+ goto error;
enomem:
ret = -ENOMEM;
error:
- SetPageError(page);
unlock_page(page);
_leave(" = %d", ret);
return ret;
#include "internal.h"
#include "afs_fs.h"
+/*
+ * We need somewhere to discard into in case the server helpfully returns more
+ * than we asked for in FS.FetchData{,64}.
+ */
+static u8 afs_discard_buffer[64];
+
/*
* decode an AFSFid block
*/
vnode->vfs_inode.i_mode = mode;
}
- vnode->vfs_inode.i_ctime.tv_sec = status->mtime_server;
+ vnode->vfs_inode.i_ctime.tv_sec = status->mtime_client;
vnode->vfs_inode.i_mtime = vnode->vfs_inode.i_ctime;
vnode->vfs_inode.i_atime = vnode->vfs_inode.i_ctime;
vnode->vfs_inode.i_version = data_version;
vnode->cb_version = ntohl(*bp++);
vnode->cb_expiry = ntohl(*bp++);
vnode->cb_type = ntohl(*bp++);
- vnode->cb_expires = vnode->cb_expiry + get_seconds();
+ vnode->cb_expires = vnode->cb_expiry + ktime_get_real_seconds();
*_bp = bp;
}
void *buffer;
int ret;
- _enter("{%u,%zu/%u;%u/%llu}",
+ _enter("{%u,%zu/%u;%llu/%llu}",
call->unmarshall, call->offset, call->count,
req->remain, req->actual_len);
req->actual_len |= ntohl(call->tmp);
_debug("DATA length: %llu", req->actual_len);
- /* Check that the server didn't want to send us extra. We
- * might want to just discard instead, but that requires
- * cooperation from AF_RXRPC.
- */
- if (req->actual_len > req->len)
- return -EBADMSG;
req->remain = req->actual_len;
call->offset = req->pos & (PAGE_SIZE - 1);
call->unmarshall++;
begin_page:
+ ASSERTCMP(req->index, <, req->nr_pages);
if (req->remain > PAGE_SIZE - call->offset)
size = PAGE_SIZE - call->offset;
else
/* extract the returned data */
case 3:
- _debug("extract data %u/%llu %zu/%u",
+ _debug("extract data %llu/%llu %zu/%u",
req->remain, req->actual_len, call->offset, call->count);
buffer = kmap(req->pages[req->index]);
if (call->offset == PAGE_SIZE) {
if (req->page_done)
req->page_done(call, req);
+ req->index++;
if (req->remain > 0) {
- req->index++;
call->offset = 0;
+ if (req->index >= req->nr_pages) {
+ call->unmarshall = 4;
+ goto begin_discard;
+ }
goto begin_page;
}
}
+ goto no_more_data;
+
+ /* Discard any excess data the server gave us */
+ begin_discard:
+ case 4:
+ size = min_t(loff_t, sizeof(afs_discard_buffer), req->remain);
+ call->count = size;
+ _debug("extract discard %llu/%llu %zu/%u",
+ req->remain, req->actual_len, call->offset, call->count);
+
+ call->offset = 0;
+ ret = afs_extract_data(call, afs_discard_buffer, call->count, true);
+ req->remain -= call->offset;
+ if (ret < 0)
+ return ret;
+ if (req->remain > 0)
+ goto begin_discard;
no_more_data:
call->offset = 0;
- call->unmarshall++;
+ call->unmarshall = 5;
/* extract the metadata */
- case 4:
+ case 5:
ret = afs_extract_data(call, call->buffer,
(21 + 3 + 6) * 4, false);
if (ret < 0)
call->offset = 0;
call->unmarshall++;
- case 5:
+ case 6:
break;
}
- if (call->count < PAGE_SIZE) {
- buffer = kmap(req->pages[req->index]);
- memset(buffer + call->count, 0, PAGE_SIZE - call->count);
- kunmap(req->pages[req->index]);
+ for (; req->index < req->nr_pages; req->index++) {
+ if (call->count < PAGE_SIZE)
+ zero_user_segment(req->pages[req->index],
+ call->count, PAGE_SIZE);
if (req->page_done)
req->page_done(call, req);
+ call->count = 0;
}
_leave(" = 0 [done]");
memset(bp, 0, padsz);
bp = (void *) bp + padsz;
}
- *bp++ = htonl(AFS_SET_MODE);
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = htonl(mode & S_IALLUGO); /* unix mode */
memset(bp, 0, c_padsz);
bp = (void *) bp + c_padsz;
}
- *bp++ = htonl(AFS_SET_MODE);
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = htonl(S_IRWXUGO); /* unix mode */
*bp++ = htonl(vnode->fid.vnode);
*bp++ = htonl(vnode->fid.unique);
- *bp++ = 0; /* mask */
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MTIME); /* mask */
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = 0; /* unix mode */
_enter(",%x,{%x:%u},,",
key_serial(wb->key), vnode->fid.vid, vnode->fid.vnode);
- size = to - offset;
+ size = (loff_t)to - (loff_t)offset;
if (first != last)
size += (loff_t)(last - first) << PAGE_SHIFT;
pos = (loff_t)first << PAGE_SHIFT;
*bp++ = htonl(vnode->fid.vnode);
*bp++ = htonl(vnode->fid.unique);
- *bp++ = 0; /* mask */
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MTIME); /* mask */
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = 0; /* unix mode */
inode->i_fop = &afs_dir_file_operations;
break;
case AFS_FTYPE_SYMLINK:
- inode->i_mode = S_IFLNK | vnode->status.mode;
- inode->i_op = &page_symlink_inode_operations;
+ /* Symlinks with a mode of 0644 are actually mountpoints. */
+ if ((vnode->status.mode & 0777) == 0644) {
+ inode->i_flags |= S_AUTOMOUNT;
+
+ spin_lock(&vnode->lock);
+ set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags);
+ spin_unlock(&vnode->lock);
+
+ inode->i_mode = S_IFDIR | 0555;
+ inode->i_op = &afs_mntpt_inode_operations;
+ inode->i_fop = &afs_mntpt_file_operations;
+ } else {
+ inode->i_mode = S_IFLNK | vnode->status.mode;
+ inode->i_op = &page_symlink_inode_operations;
+ }
inode_nohighmem(inode);
break;
default:
set_nlink(inode, vnode->status.nlink);
inode->i_uid = vnode->status.owner;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode->i_gid = vnode->status.group;
inode->i_size = vnode->status.size;
- inode->i_ctime.tv_sec = vnode->status.mtime_server;
+ inode->i_ctime.tv_sec = vnode->status.mtime_client;
inode->i_ctime.tv_nsec = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime;
inode->i_blocks = 0;
inode->i_generation = vnode->fid.unique;
inode->i_version = vnode->status.data_version;
inode->i_mapping->a_ops = &afs_fs_aops;
-
- /* check to see whether a symbolic link is really a mountpoint */
- if (vnode->status.type == AFS_FTYPE_SYMLINK) {
- afs_mntpt_check_symlink(vnode, key);
-
- if (test_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags)) {
- inode->i_mode = S_IFDIR | vnode->status.mode;
- inode->i_op = &afs_mntpt_inode_operations;
- inode->i_fop = &afs_mntpt_file_operations;
- }
- }
-
return 0;
}
vnode->cb_version = 0;
vnode->cb_expiry = 0;
vnode->cb_type = 0;
- vnode->cb_expires = get_seconds();
+ vnode->cb_expires = ktime_get_real_seconds();
} else {
vnode->cb_version = cb->version;
vnode->cb_expiry = cb->expiry;
vnode->cb_type = cb->type;
- vnode->cb_expires = vnode->cb_expiry + get_seconds();
+ vnode->cb_expires = vnode->cb_expiry +
+ ktime_get_real_seconds();
}
}
!test_bit(AFS_VNODE_CB_BROKEN, &vnode->flags) &&
!test_bit(AFS_VNODE_MODIFIED, &vnode->flags) &&
!test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) {
- if (vnode->cb_expires < get_seconds() + 10) {
+ if (vnode->cb_expires < ktime_get_real_seconds() + 10) {
_debug("callback expired");
set_bit(AFS_VNODE_CB_BROKEN, &vnode->flags);
} else {
mutex_lock(&vnode->permits_lock);
permits = vnode->permits;
- rcu_assign_pointer(vnode->permits, NULL);
+ RCU_INIT_POINTER(vnode->permits, NULL);
mutex_unlock(&vnode->permits_lock);
if (permits)
call_rcu(&permits->rcu, afs_zap_permits);
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/ktime.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/rxrpc.h>
unsigned request_size; /* size of request data */
unsigned reply_max; /* maximum size of reply */
unsigned first_offset; /* offset into mapping[first] */
- unsigned last_to; /* amount of mapping[last] */
+ union {
+ unsigned last_to; /* amount of mapping[last] */
+ unsigned count2; /* count used in unmarshalling */
+ };
unsigned char unmarshall; /* unmarshalling phase */
bool incoming; /* T if incoming call */
bool send_pages; /* T if data from mapping should be sent */
*/
struct afs_read {
loff_t pos; /* Where to start reading */
- loff_t len; /* How much to read */
+ loff_t len; /* How much we're asking for */
loff_t actual_len; /* How much we're actually getting */
+ loff_t remain; /* Amount remaining */
atomic_t usage;
- unsigned int remain; /* Amount remaining */
unsigned int index; /* Which page we're reading into */
- unsigned int pg_offset; /* Offset in page we're at */
unsigned int nr_pages;
void (*page_done)(struct afs_call *, struct afs_read *);
struct page *pages[];
*/
struct afs_vlocation {
atomic_t usage;
- time_t time_of_death; /* time at which put reduced usage to 0 */
+ time64_t time_of_death; /* time at which put reduced usage to 0 */
struct list_head link; /* link in cell volume location list */
struct list_head grave; /* link in master graveyard list */
struct list_head update; /* link in master update list */
struct afs_cache_vlocation vldb; /* volume information DB record */
struct afs_volume *vols[3]; /* volume access record pointer (index by type) */
wait_queue_head_t waitq; /* status change waitqueue */
- time_t update_at; /* time at which record should be updated */
+ time64_t update_at; /* time at which record should be updated */
spinlock_t lock; /* access lock */
afs_vlocation_state_t state; /* volume location state */
unsigned short upd_rej_cnt; /* ENOMEDIUM count during update */
*/
struct afs_server {
atomic_t usage;
- time_t time_of_death; /* time at which put reduced usage to 0 */
+ time64_t time_of_death; /* time at which put reduced usage to 0 */
struct in_addr addr; /* server address */
struct afs_cell *cell; /* cell in which server resides */
struct list_head link; /* link in cell's server list */
struct rb_node server_rb; /* link in server->fs_vnodes */
struct rb_node cb_promise; /* link in server->cb_promises */
struct work_struct cb_broken_work; /* work to be done on callback break */
- time_t cb_expires; /* time at which callback expires */
- time_t cb_expires_at; /* time used to order cb_promise */
+ time64_t cb_expires; /* time at which callback expires */
+ time64_t cb_expires_at; /* time used to order cb_promise */
unsigned cb_version; /* callback version */
unsigned cb_expiry; /* callback expiry time */
afs_callback_type_t cb_type; /* type of callback */
extern const struct file_operations afs_mntpt_file_operations;
extern struct vfsmount *afs_d_automount(struct path *);
-extern int afs_mntpt_check_symlink(struct afs_vnode *, struct key *);
extern void afs_mntpt_kill_timer(void);
/*
extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *);
extern int afs_writeback_all(struct afs_vnode *);
+extern int afs_flush(struct file *, fl_owner_t);
extern int afs_fsync(struct file *, loff_t, loff_t, int);
case RXKADDATALEN: return -EKEYREJECTED;
case RXKADILLEGALLEVEL: return -EKEYREJECTED;
+ case RXGEN_OPCODE: return -ENOTSUPP;
+
default: return -EREMOTEIO;
}
}
static unsigned long afs_mntpt_expiry_timeout = 10 * 60;
-/*
- * check a symbolic link to see whether it actually encodes a mountpoint
- * - sets the AFS_VNODE_MOUNTPOINT flag on the vnode appropriately
- */
-int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct key *key)
-{
- struct page *page;
- size_t size;
- char *buf;
- int ret;
-
- _enter("{%x:%u,%u}",
- vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
-
- /* read the contents of the symlink into the pagecache */
- page = read_cache_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0,
- afs_page_filler, key);
- if (IS_ERR(page)) {
- ret = PTR_ERR(page);
- goto out;
- }
-
- ret = -EIO;
- if (PageError(page))
- goto out_free;
-
- buf = kmap(page);
-
- /* examine the symlink's contents */
- size = vnode->status.size;
- _debug("symlink to %*.*s", (int) size, (int) size, buf);
-
- if (size > 2 &&
- (buf[0] == '%' || buf[0] == '#') &&
- buf[size - 1] == '.'
- ) {
- _debug("symlink is a mountpoint");
- spin_lock(&vnode->lock);
- set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags);
- vnode->vfs_inode.i_flags |= S_AUTOMOUNT;
- spin_unlock(&vnode->lock);
- }
-
- ret = 0;
-
- kunmap(page);
-out_free:
- put_page(page);
-out:
- _leave(" = %d", ret);
- return ret;
-}
-
/*
* no valid lookup procedure on this sort of dir
*/
call->buffer = NULL;
}
+#define AFS_BVEC_MAX 8
+
+/*
+ * Load the given bvec with the next few pages.
+ */
+static void afs_load_bvec(struct afs_call *call, struct msghdr *msg,
+ struct bio_vec *bv, pgoff_t first, pgoff_t last,
+ unsigned offset)
+{
+ struct page *pages[AFS_BVEC_MAX];
+ unsigned int nr, n, i, to, bytes = 0;
+
+ nr = min_t(pgoff_t, last - first + 1, AFS_BVEC_MAX);
+ n = find_get_pages_contig(call->mapping, first, nr, pages);
+ ASSERTCMP(n, ==, nr);
+
+ msg->msg_flags |= MSG_MORE;
+ for (i = 0; i < nr; i++) {
+ to = PAGE_SIZE;
+ if (first + i >= last) {
+ to = call->last_to;
+ msg->msg_flags &= ~MSG_MORE;
+ }
+ bv[i].bv_page = pages[i];
+ bv[i].bv_len = to - offset;
+ bv[i].bv_offset = offset;
+ bytes += to - offset;
+ offset = 0;
+ }
+
+ iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC, bv, nr, bytes);
+}
+
/*
* attach the data from a bunch of pages on an inode to a call
*/
static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
{
- struct page *pages[8];
- unsigned count, n, loop, offset, to;
+ struct bio_vec bv[AFS_BVEC_MAX];
+ unsigned int bytes, nr, loop, offset;
pgoff_t first = call->first, last = call->last;
int ret;
- _enter("");
-
offset = call->first_offset;
call->first_offset = 0;
do {
- _debug("attach %lx-%lx", first, last);
-
- count = last - first + 1;
- if (count > ARRAY_SIZE(pages))
- count = ARRAY_SIZE(pages);
- n = find_get_pages_contig(call->mapping, first, count, pages);
- ASSERTCMP(n, ==, count);
-
- loop = 0;
- do {
- struct bio_vec bvec = {.bv_page = pages[loop],
- .bv_offset = offset};
- msg->msg_flags = 0;
- to = PAGE_SIZE;
- if (first + loop >= last)
- to = call->last_to;
- else
- msg->msg_flags = MSG_MORE;
- bvec.bv_len = to - offset;
- offset = 0;
-
- _debug("- range %u-%u%s",
- offset, to, msg->msg_flags ? " [more]" : "");
- iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC,
- &bvec, 1, to - offset);
-
- /* have to change the state *before* sending the last
- * packet as RxRPC might give us the reply before it
- * returns from sending the request */
- if (first + loop >= last)
- call->state = AFS_CALL_AWAIT_REPLY;
- ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
- msg, to - offset);
- if (ret < 0)
- break;
- } while (++loop < count);
- first += count;
-
- for (loop = 0; loop < count; loop++)
- put_page(pages[loop]);
+ afs_load_bvec(call, msg, bv, first, last, offset);
+ offset = 0;
+ bytes = msg->msg_iter.count;
+ nr = msg->msg_iter.nr_segs;
+
+ /* Have to change the state *before* sending the last
+ * packet as RxRPC might give us the reply before it
+ * returns from sending the request.
+ */
+ if (first + nr - 1 >= last)
+ call->state = AFS_CALL_AWAIT_REPLY;
+ ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
+ msg, bytes);
+ for (loop = 0; loop < nr; loop++)
+ put_page(bv[loop].bv_page);
if (ret < 0)
break;
+
+ first += nr;
} while (first <= last);
- _leave(" = %d", ret);
return ret;
}
struct rxrpc_call *rxcall;
struct msghdr msg;
struct kvec iov[1];
+ size_t offset;
+ u32 abort_code;
int ret;
_enter("%x,{%d},", addr->s_addr, ntohs(call->port));
msg.msg_controllen = 0;
msg.msg_flags = (call->send_pages ? MSG_MORE : 0);
- /* have to change the state *before* sending the last packet as RxRPC
- * might give us the reply before it returns from sending the
- * request */
+ /* We have to change the state *before* sending the last packet as
+ * rxrpc might give us the reply before it returns from sending the
+ * request. Further, if the send fails, we may already have been given
+ * a notification and may have collected it.
+ */
if (!call->send_pages)
call->state = AFS_CALL_AWAIT_REPLY;
ret = rxrpc_kernel_send_data(afs_socket, rxcall,
return afs_wait_for_call_to_complete(call);
error_do_abort:
- rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT, -ret, "KSD");
+ call->state = AFS_CALL_COMPLETE;
+ if (ret != -ECONNABORTED) {
+ rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT,
+ -ret, "KSD");
+ } else {
+ abort_code = 0;
+ offset = 0;
+ rxrpc_kernel_recv_data(afs_socket, rxcall, NULL, 0, &offset,
+ false, &abort_code);
+ ret = call->type->abort_to_error(abort_code);
+ }
error_kill_call:
afs_put_call(call);
_leave(" = %d", ret);
case -EINPROGRESS:
case -EAGAIN:
goto out;
+ case -ECONNABORTED:
+ goto call_complete;
case -ENOTCONN:
abort_code = RX_CALL_DEAD;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, -ret, "KNC");
- goto do_abort;
+ goto save_error;
case -ENOTSUPP:
- abort_code = RX_INVALID_OPERATION;
+ abort_code = RXGEN_OPCODE;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, -ret, "KIV");
- goto do_abort;
+ goto save_error;
case -ENODATA:
case -EBADMSG:
case -EMSGSIZE:
abort_code = RXGEN_SS_UNMARSHAL;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, EBADMSG, "KUM");
- goto do_abort;
+ goto save_error;
}
}
_leave("");
return;
-do_abort:
+save_error:
call->error = ret;
+call_complete:
call->state = AFS_CALL_COMPLETE;
goto done;
}
*/
static int afs_wait_for_call_to_complete(struct afs_call *call)
{
- const char *abort_why;
int ret;
DECLARE_WAITQUEUE(myself, current);
continue;
}
- abort_why = "KWC";
- ret = call->error;
- if (call->state == AFS_CALL_COMPLETE)
- break;
- abort_why = "KWI";
- ret = -EINTR;
- if (signal_pending(current))
+ if (call->state == AFS_CALL_COMPLETE ||
+ signal_pending(current))
break;
schedule();
}
remove_wait_queue(&call->waitq, &myself);
__set_current_state(TASK_RUNNING);
- /* kill the call */
+ /* Kill off the call if it's still live. */
if (call->state < AFS_CALL_COMPLETE) {
- _debug("call incomplete");
+ _debug("call interrupted");
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
- RX_CALL_DEAD, -ret, abort_why);
+ RX_USER_ABORT, -EINTR, "KWI");
}
+ ret = call->error;
_debug("call complete");
afs_put_call(call);
_leave(" = %d", ret);
mutex_lock(&vnode->permits_lock);
permits = vnode->permits;
- rcu_assign_pointer(vnode->permits, NULL);
+ RCU_INIT_POINTER(vnode->permits, NULL);
mutex_unlock(&vnode->permits_lock);
if (permits)
} else {
if (!(access & AFS_ACE_LOOKUP))
goto permission_denied;
+ if ((mask & MAY_EXEC) && !(inode->i_mode & S_IXUSR))
+ goto permission_denied;
if (mask & (MAY_EXEC | MAY_READ)) {
if (!(access & AFS_ACE_READ))
goto permission_denied;
+ if (!(inode->i_mode & S_IRUSR))
+ goto permission_denied;
} else if (mask & MAY_WRITE) {
if (!(access & AFS_ACE_WRITE))
goto permission_denied;
+ if (!(inode->i_mode & S_IWUSR))
+ goto permission_denied;
}
}
key_put(key);
- ret = generic_permission(inode, mask);
_leave(" = %d", ret);
return ret;
spin_lock(&afs_server_graveyard_lock);
if (atomic_read(&server->usage) == 0) {
list_move_tail(&server->grave, &afs_server_graveyard);
- server->time_of_death = get_seconds();
+ server->time_of_death = ktime_get_real_seconds();
queue_delayed_work(afs_wq, &afs_server_reaper,
afs_server_timeout * HZ);
}
LIST_HEAD(corpses);
struct afs_server *server;
unsigned long delay, expiry;
- time_t now;
+ time64_t now;
- now = get_seconds();
+ now = ktime_get_real_seconds();
spin_lock(&afs_server_graveyard_lock);
while (!list_empty(&afs_server_graveyard)) {
struct afs_vlocation *xvl;
/* wait at least 10 minutes before updating... */
- vl->update_at = get_seconds() + afs_vlocation_update_timeout;
+ vl->update_at = ktime_get_real_seconds() +
+ afs_vlocation_update_timeout;
spin_lock(&afs_vlocation_updates_lock);
if (atomic_read(&vl->usage) == 0) {
_debug("buried");
list_move_tail(&vl->grave, &afs_vlocation_graveyard);
- vl->time_of_death = get_seconds();
+ vl->time_of_death = ktime_get_real_seconds();
queue_delayed_work(afs_wq, &afs_vlocation_reap,
afs_vlocation_timeout * HZ);
LIST_HEAD(corpses);
struct afs_vlocation *vl;
unsigned long delay, expiry;
- time_t now;
+ time64_t now;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
spin_lock(&afs_vlocation_graveyard_lock);
while (!list_empty(&afs_vlocation_graveyard)) {
{
struct afs_cache_vlocation vldb;
struct afs_vlocation *vl, *xvl;
- time_t now;
+ time64_t now;
long timeout;
int ret;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
/* find a record to update */
spin_lock(&afs_vlocation_updates_lock);
/* and then reschedule */
_debug("reschedule");
- vl->update_at = get_seconds() + afs_vlocation_update_timeout;
+ vl->update_at = ktime_get_real_seconds() +
+ afs_vlocation_update_timeout;
spin_lock(&afs_vlocation_updates_lock);
* partly or wholly fill a page that's under preparation for writing
*/
static int afs_fill_page(struct afs_vnode *vnode, struct key *key,
- loff_t pos, struct page *page)
+ loff_t pos, unsigned int len, struct page *page)
{
struct afs_read *req;
- loff_t i_size;
int ret;
_enter(",,%llu", (unsigned long long)pos);
atomic_set(&req->usage, 1);
req->pos = pos;
+ req->len = len;
req->nr_pages = 1;
req->pages[0] = page;
-
- i_size = i_size_read(&vnode->vfs_inode);
- if (pos + PAGE_SIZE > i_size)
- req->len = i_size - pos;
- else
- req->len = PAGE_SIZE;
+ get_page(page);
ret = afs_vnode_fetch_data(vnode, key, req);
afs_put_read(req);
kfree(candidate);
return -ENOMEM;
}
- *pagep = page;
- /* page won't leak in error case: it eventually gets cleaned off LRU */
if (!PageUptodate(page) && len != PAGE_SIZE) {
- ret = afs_fill_page(vnode, key, index << PAGE_SHIFT, page);
+ ret = afs_fill_page(vnode, key, pos & PAGE_MASK, PAGE_SIZE, page);
if (ret < 0) {
+ unlock_page(page);
+ put_page(page);
kfree(candidate);
_leave(" = %d [prep]", ret);
return ret;
SetPageUptodate(page);
}
+ /* page won't leak in error case: it eventually gets cleaned off LRU */
+ *pagep = page;
+
try_again:
spin_lock(&vnode->writeback_lock);
if (wb->state == AFS_WBACK_PENDING)
wb->state = AFS_WBACK_CONFLICTING;
spin_unlock(&vnode->writeback_lock);
- if (PageDirty(page)) {
+ if (clear_page_dirty_for_io(page)) {
ret = afs_write_back_from_locked_page(wb, page);
if (ret < 0) {
afs_put_writeback(candidate);
struct page *page, void *fsdata)
{
struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
+ struct key *key = file->private_data;
loff_t i_size, maybe_i_size;
+ int ret;
_enter("{%x:%u},{%lx}",
vnode->fid.vid, vnode->fid.vnode, page->index);
spin_unlock(&vnode->writeback_lock);
}
+ if (!PageUptodate(page)) {
+ if (copied < len) {
+ /* Try and load any missing data from the server. The
+ * unmarshalling routine will take care of clearing any
+ * bits that are beyond the EOF.
+ */
+ ret = afs_fill_page(vnode, key, pos + copied,
+ len - copied, page);
+ if (ret < 0)
+ return ret;
+ }
+ SetPageUptodate(page);
+ }
+
set_page_dirty(page);
if (PageDirty(page))
_debug("dirtied");
ASSERTCMP(pv.nr, ==, count);
for (loop = 0; loop < count; loop++) {
- ClearPageUptodate(pv.pages[loop]);
+ struct page *page = pv.pages[loop];
+ ClearPageUptodate(page);
if (error)
- SetPageError(pv.pages[loop]);
- end_page_writeback(pv.pages[loop]);
+ SetPageError(page);
+ if (PageWriteback(page))
+ end_page_writeback(page);
+ if (page->index >= first)
+ first = page->index + 1;
}
__pagevec_release(&pv);
_enter(",%lx", primary_page->index);
count = 1;
- if (!clear_page_dirty_for_io(primary_page))
- BUG();
if (test_set_page_writeback(primary_page))
BUG();
*/
lock_page(page);
- if (page->mapping != mapping) {
+ if (page->mapping != mapping || !PageDirty(page)) {
unlock_page(page);
put_page(page);
continue;
}
- if (wbc->sync_mode != WB_SYNC_NONE)
- wait_on_page_writeback(page);
-
- if (PageWriteback(page) || !PageDirty(page)) {
+ if (PageWriteback(page)) {
unlock_page(page);
+ if (wbc->sync_mode != WB_SYNC_NONE)
+ wait_on_page_writeback(page);
+ put_page(page);
continue;
}
wb->state = AFS_WBACK_WRITING;
spin_unlock(&wb->vnode->writeback_lock);
+ if (!clear_page_dirty_for_io(page))
+ BUG();
ret = afs_write_back_from_locked_page(wb, page);
unlock_page(page);
put_page(page);
return ret;
}
+/*
+ * Flush out all outstanding writes on a file opened for writing when it is
+ * closed.
+ */
+int afs_flush(struct file *file, fl_owner_t id)
+{
+ _enter("");
+
+ if ((file->f_mode & FMODE_WRITE) == 0)
+ return 0;
+
+ return vfs_fsync(file, 0);
+}
+
/*
* notification that a previously read-only page is about to become writable
* - if it returns an error, the caller will deliver a bus error signal
* can we find nothing at @index.
*/
ASSERT(page_ops & PAGE_LOCK);
- return ret;
+ err = -EAGAIN;
+ goto out;
}
for (i = 0; i < ret; i++) {
max_size = min_t(unsigned long, PAGE_SIZE, max_size);
ret = btrfs_decompress(compress_type, tmp, page,
extent_offset, inline_size, max_size);
+
+ /*
+ * decompression code contains a memset to fill in any space between the end
+ * of the uncompressed data and the end of max_size in case the decompressed
+ * data ends up shorter than ram_bytes. That doesn't cover the hole between
+ * the end of an inline extent and the beginning of the next block, so we
+ * cover that region here.
+ */
+
+ if (max_size + pg_offset < PAGE_SIZE) {
+ char *map = kmap(page);
+ memset(map + pg_offset + max_size, 0, PAGE_SIZE - max_size - pg_offset);
+ kunmap(page);
+ }
kfree(tmp);
return ret;
}
si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS);
si->base_mem += NM_I(sbi)->nat_blocks * NAT_ENTRY_BITMAP_SIZE;
si->base_mem += NM_I(sbi)->nat_blocks / 8;
+ si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short);
get_cache:
si->cache_mem = 0;
dentry_blk = page_address(page);
bit_pos = dentry - dentry_blk->dentry;
for (i = 0; i < slots; i++)
- clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
+ __clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
/* Let's check and deallocate this dentry page */
bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap,
struct mutex build_lock; /* lock for build free nids */
unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE];
unsigned char *nat_block_bitmap;
+ unsigned short *free_nid_count; /* free nid count of NAT block */
+ spinlock_t free_nid_lock; /* protect updating of nid count */
/* for checkpoint */
char *nat_bitmap; /* NAT bitmap pointer */
set_nat_flag(e, IS_CHECKPOINTED, false);
__set_nat_cache_dirty(nm_i, e);
- if (enabled_nat_bits(sbi, NULL) && new_blkaddr == NEW_ADDR)
- clear_bit_le(NAT_BLOCK_OFFSET(ni->nid), nm_i->empty_nat_bits);
-
/* update fsync_mark if its inode nat entry is still alive */
if (ni->nid != ni->ino)
e = __lookup_nat_cache(nm_i, ni->ino);
kmem_cache_free(free_nid_slab, i);
}
-void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid, bool set)
+static void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid,
+ bool set, bool build, bool locked)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int nat_ofs = NAT_BLOCK_OFFSET(nid);
return;
if (set)
- set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
+ __set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
else
- clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
+ __clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
+
+ if (!locked)
+ spin_lock(&nm_i->free_nid_lock);
+ if (set)
+ nm_i->free_nid_count[nat_ofs]++;
+ else if (!build)
+ nm_i->free_nid_count[nat_ofs]--;
+ if (!locked)
+ spin_unlock(&nm_i->free_nid_lock);
}
static void scan_nat_page(struct f2fs_sb_info *sbi,
unsigned int nat_ofs = NAT_BLOCK_OFFSET(start_nid);
int i;
- set_bit_le(nat_ofs, nm_i->nat_block_bitmap);
+ if (test_bit_le(nat_ofs, nm_i->nat_block_bitmap))
+ return;
+
+ __set_bit_le(nat_ofs, nm_i->nat_block_bitmap);
i = start_nid % NAT_ENTRY_PER_BLOCK;
f2fs_bug_on(sbi, blk_addr == NEW_ADDR);
if (blk_addr == NULL_ADDR)
freed = add_free_nid(sbi, start_nid, true);
- update_free_nid_bitmap(sbi, start_nid, freed);
+ update_free_nid_bitmap(sbi, start_nid, freed, true, false);
}
}
for (i = 0; i < nm_i->nat_blocks; i++) {
if (!test_bit_le(i, nm_i->nat_block_bitmap))
continue;
+ if (!nm_i->free_nid_count[i])
+ continue;
for (idx = 0; idx < NAT_ENTRY_PER_BLOCK; idx++) {
nid_t nid;
up_read(&nm_i->nat_tree_lock);
}
-static int scan_nat_bits(struct f2fs_sb_info *sbi)
-{
- struct f2fs_nm_info *nm_i = NM_I(sbi);
- struct page *page;
- unsigned int i = 0;
- nid_t nid;
-
- if (!enabled_nat_bits(sbi, NULL))
- return -EAGAIN;
-
- down_read(&nm_i->nat_tree_lock);
-check_empty:
- i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i);
- if (i >= nm_i->nat_blocks) {
- i = 0;
- goto check_partial;
- }
-
- for (nid = i * NAT_ENTRY_PER_BLOCK; nid < (i + 1) * NAT_ENTRY_PER_BLOCK;
- nid++) {
- if (unlikely(nid >= nm_i->max_nid))
- break;
- add_free_nid(sbi, nid, true);
- }
-
- if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS)
- goto out;
- i++;
- goto check_empty;
-
-check_partial:
- i = find_next_zero_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i);
- if (i >= nm_i->nat_blocks) {
- disable_nat_bits(sbi, true);
- up_read(&nm_i->nat_tree_lock);
- return -EINVAL;
- }
-
- nid = i * NAT_ENTRY_PER_BLOCK;
- page = get_current_nat_page(sbi, nid);
- scan_nat_page(sbi, page, nid);
- f2fs_put_page(page, 1);
-
- if (nm_i->nid_cnt[FREE_NID_LIST] < MAX_FREE_NIDS) {
- i++;
- goto check_partial;
- }
-out:
- up_read(&nm_i->nat_tree_lock);
- return 0;
-}
-
static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
if (nm_i->nid_cnt[FREE_NID_LIST])
return;
-
- /* try to find free nids with nat_bits */
- if (!scan_nat_bits(sbi) && nm_i->nid_cnt[FREE_NID_LIST])
- return;
- }
-
- /* find next valid candidate */
- if (enabled_nat_bits(sbi, NULL)) {
- int idx = find_next_zero_bit_le(nm_i->full_nat_bits,
- nm_i->nat_blocks, 0);
-
- if (idx >= nm_i->nat_blocks)
- set_sbi_flag(sbi, SBI_NEED_FSCK);
- else
- nid = idx * NAT_ENTRY_PER_BLOCK;
}
/* readahead nat pages to be scanned */
__insert_nid_to_list(sbi, i, ALLOC_NID_LIST, false);
nm_i->available_nids--;
- update_free_nid_bitmap(sbi, *nid, false);
+ update_free_nid_bitmap(sbi, *nid, false, false, false);
spin_unlock(&nm_i->nid_list_lock);
return true;
nm_i->available_nids++;
- update_free_nid_bitmap(sbi, nid, true);
+ update_free_nid_bitmap(sbi, nid, true, false, false);
spin_unlock(&nm_i->nid_list_lock);
list_add_tail(&nes->set_list, head);
}
-void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
+static void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
struct page *page)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
valid++;
}
if (valid == 0) {
- set_bit_le(nat_index, nm_i->empty_nat_bits);
- clear_bit_le(nat_index, nm_i->full_nat_bits);
+ __set_bit_le(nat_index, nm_i->empty_nat_bits);
+ __clear_bit_le(nat_index, nm_i->full_nat_bits);
return;
}
- clear_bit_le(nat_index, nm_i->empty_nat_bits);
+ __clear_bit_le(nat_index, nm_i->empty_nat_bits);
if (valid == NAT_ENTRY_PER_BLOCK)
- set_bit_le(nat_index, nm_i->full_nat_bits);
+ __set_bit_le(nat_index, nm_i->full_nat_bits);
else
- clear_bit_le(nat_index, nm_i->full_nat_bits);
+ __clear_bit_le(nat_index, nm_i->full_nat_bits);
}
static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
add_free_nid(sbi, nid, false);
spin_lock(&NM_I(sbi)->nid_list_lock);
NM_I(sbi)->available_nids++;
- update_free_nid_bitmap(sbi, nid, true);
+ update_free_nid_bitmap(sbi, nid, true, false, false);
spin_unlock(&NM_I(sbi)->nid_list_lock);
} else {
spin_lock(&NM_I(sbi)->nid_list_lock);
- update_free_nid_bitmap(sbi, nid, false);
+ update_free_nid_bitmap(sbi, nid, false, false, false);
spin_unlock(&NM_I(sbi)->nid_list_lock);
}
}
return 0;
}
+inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_nm_info *nm_i = NM_I(sbi);
+ unsigned int i = 0;
+ nid_t nid, last_nid;
+
+ if (!enabled_nat_bits(sbi, NULL))
+ return;
+
+ for (i = 0; i < nm_i->nat_blocks; i++) {
+ i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i);
+ if (i >= nm_i->nat_blocks)
+ break;
+
+ __set_bit_le(i, nm_i->nat_block_bitmap);
+
+ nid = i * NAT_ENTRY_PER_BLOCK;
+ last_nid = (i + 1) * NAT_ENTRY_PER_BLOCK;
+
+ spin_lock(&nm_i->free_nid_lock);
+ for (; nid < last_nid; nid++)
+ update_free_nid_bitmap(sbi, nid, true, true, true);
+ spin_unlock(&nm_i->free_nid_lock);
+ }
+
+ for (i = 0; i < nm_i->nat_blocks; i++) {
+ i = find_next_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i);
+ if (i >= nm_i->nat_blocks)
+ break;
+
+ __set_bit_le(i, nm_i->nat_block_bitmap);
+ }
+}
+
static int init_node_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *sb_raw = F2FS_RAW_SUPER(sbi);
return 0;
}
-int init_free_nid_cache(struct f2fs_sb_info *sbi)
+static int init_free_nid_cache(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
GFP_KERNEL);
if (!nm_i->nat_block_bitmap)
return -ENOMEM;
+
+ nm_i->free_nid_count = f2fs_kvzalloc(nm_i->nat_blocks *
+ sizeof(unsigned short), GFP_KERNEL);
+ if (!nm_i->free_nid_count)
+ return -ENOMEM;
+
+ spin_lock_init(&nm_i->free_nid_lock);
+
return 0;
}
if (err)
return err;
+ /* load free nid status from nat_bits table */
+ load_free_nid_bitmap(sbi);
+
build_free_nids(sbi, true, true);
return 0;
}
kvfree(nm_i->nat_block_bitmap);
kvfree(nm_i->free_nid_bitmap);
+ kvfree(nm_i->free_nid_count);
kfree(nm_i->nat_bitmap);
kfree(nm_i->nat_bits);
if (f2fs_discard_en(sbi) &&
!f2fs_test_and_set_bit(offset, se->discard_map))
sbi->discard_blks--;
+
+ /* don't overwrite by SSR to keep node chain */
+ if (se->type == CURSEG_WARM_NODE) {
+ if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map))
+ se->ckpt_valid_blocks++;
+ }
} else {
if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) {
#ifdef CONFIG_F2FS_CHECK_FS
spin_unlock_bh(&wb->work_lock);
}
+static void finish_writeback_work(struct bdi_writeback *wb,
+ struct wb_writeback_work *work)
+{
+ struct wb_completion *done = work->done;
+
+ if (work->auto_free)
+ kfree(work);
+ if (done && atomic_dec_and_test(&done->cnt))
+ wake_up_all(&wb->bdi->wb_waitq);
+}
+
static void wb_queue_work(struct bdi_writeback *wb,
struct wb_writeback_work *work)
{
trace_writeback_queue(wb, work);
- spin_lock_bh(&wb->work_lock);
- if (!test_bit(WB_registered, &wb->state))
- goto out_unlock;
if (work->done)
atomic_inc(&work->done->cnt);
- list_add_tail(&work->list, &wb->work_list);
- mod_delayed_work(bdi_wq, &wb->dwork, 0);
-out_unlock:
+
+ spin_lock_bh(&wb->work_lock);
+
+ if (test_bit(WB_registered, &wb->state)) {
+ list_add_tail(&work->list, &wb->work_list);
+ mod_delayed_work(bdi_wq, &wb->dwork, 0);
+ } else
+ finish_writeback_work(wb, work);
+
spin_unlock_bh(&wb->work_lock);
}
set_bit(WB_writeback_running, &wb->state);
while ((work = get_next_work_item(wb)) != NULL) {
- struct wb_completion *done = work->done;
-
trace_writeback_exec(wb, work);
-
wrote += wb_writeback(wb, work);
-
- if (work->auto_free)
- kfree(work);
- if (done && atomic_dec_and_test(&done->cnt))
- wake_up_all(&wb->bdi->wb_waitq);
+ finish_writeback_work(wb, work);
}
/*
.svo_module = THIS_MODULE,
};
-struct svc_serv_ops *nfs4_cb_sv_ops[] = {
+static struct svc_serv_ops *nfs4_cb_sv_ops[] = {
[0] = &nfs40_cb_sv_ops,
[1] = &nfs41_cb_sv_ops,
};
#else
-struct svc_serv_ops *nfs4_cb_sv_ops[] = {
+static struct svc_serv_ops *nfs4_cb_sv_ops[] = {
[0] = &nfs40_cb_sv_ops,
[1] = NULL,
};
return NULL;
}
-static bool nfs_client_init_is_complete(const struct nfs_client *clp)
+/*
+ * Return true if @clp is done initializing, false if still working on it.
+ *
+ * Use nfs_client_init_status to check if it was successful.
+ */
+bool nfs_client_init_is_complete(const struct nfs_client *clp)
{
return clp->cl_cons_state <= NFS_CS_READY;
}
+EXPORT_SYMBOL_GPL(nfs_client_init_is_complete);
+
+/*
+ * Return 0 if @clp was successfully initialized, -errno otherwise.
+ *
+ * This must be called *after* nfs_client_init_is_complete() returns true,
+ * otherwise it will pop WARN_ON_ONCE and return -EINVAL
+ */
+int nfs_client_init_status(const struct nfs_client *clp)
+{
+ /* called without checking nfs_client_init_is_complete */
+ if (clp->cl_cons_state > NFS_CS_READY) {
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
+ return clp->cl_cons_state;
+}
+EXPORT_SYMBOL_GPL(nfs_client_init_status);
int nfs_wait_client_init_complete(const struct nfs_client *clp)
{
struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg);
struct nfs4_pnfs_ds *ret = ds;
struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode);
+ int status;
if (ds == NULL) {
printk(KERN_ERR "NFS: %s: No data server for offset index %d\n",
if (ds->ds_clp)
goto out_test_devid;
- nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
+ status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
dataserver_retrans, 4,
s->nfs_client->cl_minorversion);
+ if (status) {
+ nfs4_mark_deviceid_unavailable(devid);
+ ret = NULL;
+ goto out;
+ }
out_test_devid:
if (ret->ds_clp == NULL ||
static inline bool
ff_layout_test_devid_unavailable(struct nfs4_deviceid_node *node)
{
- return nfs4_test_deviceid_unavailable(node);
+ /*
+ * Flexfiles should never mark a DS unavailable, but if it does
+ * print a (ratelimited) warning as this can affect performance.
+ */
+ if (nfs4_test_deviceid_unavailable(node)) {
+ u32 *p = (u32 *)node->deviceid.data;
+
+ pr_warn_ratelimited("NFS: flexfiles layout referencing an "
+ "unavailable device [%x%x%x%x]\n",
+ p[0], p[1], p[2], p[3]);
+ return true;
+ }
+ return false;
}
static inline int
struct inode *ino = lseg->pls_layout->plh_inode;
struct nfs_server *s = NFS_SERVER(ino);
unsigned int max_payload;
+ int status;
if (!ff_layout_mirror_valid(lseg, mirror, true)) {
pr_err_ratelimited("NFS: %s: No data server for offset index %d\n",
/* FIXME: For now we assume the server sent only one version of NFS
* to use for the DS.
*/
- nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
+ status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
dataserver_retrans,
mirror->mirror_ds->ds_versions[0].version,
mirror->mirror_ds->ds_versions[0].minor_version);
mirror->mirror_ds->ds_versions[0].wsize = max_payload;
goto out;
}
+out_fail:
ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),
mirror, lseg->pls_range.offset,
lseg->pls_range.length, NFS4ERR_NXIO,
OP_ILLEGAL, GFP_NOIO);
-out_fail:
if (fail_return || !ff_layout_has_available_ds(lseg))
pnfs_error_mark_layout_for_return(ino, lseg);
ds = NULL;
struct nfs_fh *,
struct nfs_fattr *,
rpc_authflavor_t);
+extern bool nfs_client_init_is_complete(const struct nfs_client *clp);
+extern int nfs_client_init_status(const struct nfs_client *clp);
extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
server_resp_sz = sess->fc_attrs.max_resp_sz - nfs41_maxread_overhead;
server_rqst_sz = sess->fc_attrs.max_rqst_sz - nfs41_maxwrite_overhead;
- if (server->rsize > server_resp_sz)
+ if (!server->rsize || server->rsize > server_resp_sz)
server->rsize = server_resp_sz;
- if (server->wsize > server_rqst_sz)
+ if (!server->wsize || server->wsize > server_rqst_sz)
server->wsize = server_rqst_sz;
#endif /* CONFIG_NFS_V4_1 */
}
if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0)
return 0;
- /* even though OPEN succeeded, access is denied. Close the file */
- nfs4_close_state(state, fmode);
return -EACCES;
}
struct nfs41_exchange_id_data *cdata =
(struct nfs41_exchange_id_data *)data;
- nfs_put_client(cdata->args.client);
if (cdata->xprt) {
xprt_put(cdata->xprt);
rpc_clnt_xprt_switch_put(cdata->args.client->cl_rpcclient);
}
+ nfs_put_client(cdata->args.client);
kfree(cdata->res.impl_id);
kfree(cdata->res.server_scope);
kfree(cdata->res.server_owner);
task_setup_data.callback_data = calldata;
task = rpc_run_task(&task_setup_data);
- if (IS_ERR(task)) {
- status = PTR_ERR(task);
- goto out_impl_id;
- }
+ if (IS_ERR(task))
+ return PTR_ERR(task);
if (!xprt) {
status = rpc_wait_for_completion_task(task);
kfree(calldata->res.server_owner);
out_calldata:
kfree(calldata);
+ nfs_put_client(clp);
goto out;
}
if (len <= 0)
goto out;
dprintk("%s: name=%s\n", __func__, group_name->data);
- return NFS_ATTR_FATTR_OWNER_NAME;
+ return NFS_ATTR_FATTR_GROUP_NAME;
} else {
len = xdr_stream_decode_opaque_inline(xdr, (void **)&p,
XDR_MAX_NETOBJ);
struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs,
gfp_t gfp_flags);
void nfs4_pnfs_v3_ds_connect_unload(void);
-void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
+int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
struct nfs4_deviceid_node *devid, unsigned int timeo,
unsigned int retrans, u32 version, u32 minor_version);
struct nfs4_pnfs_ds_addr *nfs4_decode_mp_ds_addr(struct net *net,
/*
* Create an rpc connection to the nfs4_pnfs_ds data server.
* Currently only supports IPv4 and IPv6 addresses.
- * If connection fails, make devid unavailable.
+ * If connection fails, make devid unavailable and return a -errno.
*/
-void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
+int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
struct nfs4_deviceid_node *devid, unsigned int timeo,
unsigned int retrans, u32 version, u32 minor_version)
{
- if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
- int err = 0;
+ int err;
+again:
+ err = 0;
+ if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
if (version == 3) {
err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo,
retrans);
err = -EPROTONOSUPPORT;
}
- if (err)
- nfs4_mark_deviceid_unavailable(devid);
nfs4_clear_ds_conn_bit(ds);
} else {
nfs4_wait_ds_connect(ds);
+
+ /* what was waited on didn't connect AND didn't mark unavail */
+ if (!ds->ds_clp && !nfs4_test_deviceid_unavailable(devid))
+ goto again;
}
+
+ /*
+ * At this point the ds->ds_clp should be ready, but it might have
+ * hit an error.
+ */
+ if (!err) {
+ if (!ds->ds_clp || !nfs_client_init_is_complete(ds->ds_clp)) {
+ WARN_ON_ONCE(ds->ds_clp ||
+ !nfs4_test_deviceid_unavailable(devid));
+ return -EINVAL;
+ }
+ err = nfs_client_init_status(ds->ds_clp);
+ }
+
+ return err;
}
EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_connect);
(long long)req_offset(req));
if (status < 0) {
nfs_context_set_write_error(req->wb_context, status);
- nfs_inode_remove_request(req);
+ if (req->wb_page)
+ nfs_inode_remove_request(req);
dprintk_cont(", error = %d\n", status);
goto next;
}
* returned by the server against all stored verfs. */
if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) {
/* We have a match */
- nfs_inode_remove_request(req);
+ if (req->wb_page)
+ nfs_inode_remove_request(req);
dprintk_cont(" OK\n");
goto next;
}
extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
+extern int xfs_dir2_sf_verify(struct xfs_mount *mp, struct xfs_dir2_sf_hdr *sfp,
+ int size);
/* xfs_dir2_readdir.c */
extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
}
#endif /* DEBUG */
+/* Verify the consistency of an inline directory. */
+int
+xfs_dir2_sf_verify(
+ struct xfs_mount *mp,
+ struct xfs_dir2_sf_hdr *sfp,
+ int size)
+{
+ struct xfs_dir2_sf_entry *sfep;
+ struct xfs_dir2_sf_entry *next_sfep;
+ char *endp;
+ const struct xfs_dir_ops *dops;
+ xfs_ino_t ino;
+ int i;
+ int i8count;
+ int offset;
+ __uint8_t filetype;
+
+ dops = xfs_dir_get_ops(mp, NULL);
+
+ /*
+ * Give up if the directory is way too short.
+ */
+ XFS_WANT_CORRUPTED_RETURN(mp, size >
+ offsetof(struct xfs_dir2_sf_hdr, parent));
+ XFS_WANT_CORRUPTED_RETURN(mp, size >=
+ xfs_dir2_sf_hdr_size(sfp->i8count));
+
+ endp = (char *)sfp + size;
+
+ /* Check .. entry */
+ ino = dops->sf_get_parent_ino(sfp);
+ i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
+ XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino));
+ offset = dops->data_first_offset;
+
+ /* Check all reported entries */
+ sfep = xfs_dir2_sf_firstentry(sfp);
+ for (i = 0; i < sfp->count; i++) {
+ /*
+ * struct xfs_dir2_sf_entry has a variable length.
+ * Check the fixed-offset parts of the structure are
+ * within the data buffer.
+ */
+ XFS_WANT_CORRUPTED_RETURN(mp,
+ ((char *)sfep + sizeof(*sfep)) < endp);
+
+ /* Don't allow names with known bad length. */
+ XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen > 0);
+ XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen < MAXNAMELEN);
+
+ /*
+ * Check that the variable-length part of the structure is
+ * within the data buffer. The next entry starts after the
+ * name component, so nextentry is an acceptable test.
+ */
+ next_sfep = dops->sf_nextentry(sfp, sfep);
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >= (char *)next_sfep);
+
+ /* Check that the offsets always increase. */
+ XFS_WANT_CORRUPTED_RETURN(mp,
+ xfs_dir2_sf_get_offset(sfep) >= offset);
+
+ /* Check the inode number. */
+ ino = dops->sf_get_ino(sfp, sfep);
+ i8count += ino > XFS_DIR2_MAX_SHORT_INUM;
+ XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino));
+
+ /* Check the file type. */
+ filetype = dops->sf_get_ftype(sfep);
+ XFS_WANT_CORRUPTED_RETURN(mp, filetype < XFS_DIR3_FT_MAX);
+
+ offset = xfs_dir2_sf_get_offset(sfep) +
+ dops->data_entsize(sfep->namelen);
+
+ sfep = next_sfep;
+ }
+ XFS_WANT_CORRUPTED_RETURN(mp, i8count == sfp->i8count);
+ XFS_WANT_CORRUPTED_RETURN(mp, (void *)sfep == (void *)endp);
+
+ /* Make sure this whole thing ought to be in local format. */
+ XFS_WANT_CORRUPTED_RETURN(mp, offset +
+ (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
+ (uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dir_geo->blksize);
+
+ return 0;
+}
+
/*
* Create a new (shortform) directory.
*/
#include "xfs_trace.h"
#include "xfs_attr_sf.h"
#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_priv.h"
kmem_zone_t *xfs_ifork_zone;
int whichfork,
int size)
{
+ int error;
/*
* If the size is unreasonable, then something
return -EFSCORRUPTED;
}
+ if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) {
+ error = xfs_dir2_sf_verify(ip->i_mount,
+ (struct xfs_dir2_sf_hdr *)XFS_DFORK_DPTR(dip),
+ size);
+ if (error)
+ return error;
+ }
+
xfs_init_local_fork(ip, whichfork, XFS_DFORK_PTR(dip, whichfork), size);
return 0;
}
* In these cases, the format always takes precedence, because the
* format indicates the current state of the fork.
*/
-void
+int
xfs_iflush_fork(
xfs_inode_t *ip,
xfs_dinode_t *dip,
char *cp;
xfs_ifork_t *ifp;
xfs_mount_t *mp;
+ int error;
static const short brootflag[2] =
{ XFS_ILOG_DBROOT, XFS_ILOG_ABROOT };
static const short dataflag[2] =
{ XFS_ILOG_DEXT, XFS_ILOG_AEXT };
if (!iip)
- return;
+ return 0;
ifp = XFS_IFORK_PTR(ip, whichfork);
/*
* This can happen if we gave up in iformat in an error path,
*/
if (!ifp) {
ASSERT(whichfork == XFS_ATTR_FORK);
- return;
+ return 0;
}
cp = XFS_DFORK_PTR(dip, whichfork);
mp = ip->i_mount;
switch (XFS_IFORK_FORMAT(ip, whichfork)) {
case XFS_DINODE_FMT_LOCAL:
+ if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) {
+ error = xfs_dir2_sf_verify(mp,
+ (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data,
+ ifp->if_bytes);
+ if (error)
+ return error;
+ }
if ((iip->ili_fields & dataflag[whichfork]) &&
(ifp->if_bytes > 0)) {
ASSERT(ifp->if_u1.if_data != NULL);
ASSERT(0);
break;
}
+ return 0;
}
/*
struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state);
int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *);
-void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *,
+int xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *,
struct xfs_inode_log_item *, int);
void xfs_idestroy_fork(struct xfs_inode *, int);
void xfs_idata_realloc(struct xfs_inode *, int, int);
struct xfs_da_geometry *geo = args->geo;
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
- /*
- * Give up if the directory is way too short.
- */
- if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) {
- ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
- return -EIO;
- }
-
ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
ASSERT(dp->i_df.if_u1.if_data != NULL);
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- if (dp->i_d.di_size < xfs_dir2_sf_hdr_size(sfp->i8count))
- return -EFSCORRUPTED;
-
/*
* If the block number in the offset is out of range, we're done.
*/
struct xfs_inode_log_item *iip = ip->i_itemp;
struct xfs_dinode *dip;
struct xfs_mount *mp = ip->i_mount;
+ int error;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
ASSERT(xfs_isiflocked(ip));
if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
ip->i_d.di_flushiter = 0;
- xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK);
- if (XFS_IFORK_Q(ip))
- xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK);
+ error = xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK);
+ if (error)
+ return error;
+ if (XFS_IFORK_Q(ip)) {
+ error = xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK);
+ if (error)
+ return error;
+ }
xfs_inobp_check(mp, bp);
/*
}
/* Validate the processor object's proc_id */
-bool acpi_processor_validate_proc_id(int proc_id);
+bool acpi_duplicate_processor_id(int proc_id);
#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
int *pcpu);
int acpi_unmap_cpu(int cpu);
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-void acpi_set_processor_mapping(void);
-
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
#endif
extern void lock_device_hotplug(void);
extern void unlock_device_hotplug(void);
extern int lock_device_hotplug_sysfs(void);
-void assert_held_device_hotplug(void);
extern int device_offline(struct device *dev);
extern int device_online(struct device *dev);
extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
struct sock_extended_err ee;
u16 addr_offset;
__be16 port;
+ u8 opt_stats:1,
+ unused:7;
};
#endif
struct fwnode_handle *child,
enum gpiod_flags flags,
const char *label);
-/* FIXME: delete this helper when users are switched over */
-static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
- const char *con_id, struct fwnode_handle *child)
-{
- return devm_fwnode_get_index_gpiod_from_child(dev, con_id,
- 0, child,
- GPIOD_ASIS,
- "?");
-}
#else /* CONFIG_GPIOLIB */
return ERR_PTR(-ENOSYS);
}
-/* FIXME: delete this when all users are switched over */
-static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
- const char *con_id, struct fwnode_handle *child)
-{
- return ERR_PTR(-ENOSYS);
-}
-
#endif /* CONFIG_GPIOLIB */
static inline
struct kmem_cache;
struct page;
struct vm_struct;
+struct task_struct;
#ifdef CONFIG_KASAN
enum {
MLX4_INTERFACE_STATE_UP = 1 << 0,
MLX4_INTERFACE_STATE_DELETION = 1 << 1,
+ MLX4_INTERFACE_STATE_NOWAIT = 1 << 2,
};
#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
struct virtio_vsock_hdr hdr;
struct work_struct work;
struct list_head list;
+ /* socket refcnt not held, only use for cancellation */
+ struct vsock_sock *vsk;
void *buf;
u32 len;
u32 off;
struct virtio_vsock_pkt_info {
u32 remote_cid, remote_port;
+ struct vsock_sock *vsk;
struct msghdr *msg;
u32 pkt_len;
u16 type;
void (*destruct)(struct vsock_sock *);
void (*release)(struct vsock_sock *);
+ /* Cancel all pending packets sent on vsock. */
+ int (*cancel_pkt)(struct vsock_sock *vsk);
+
/* Connections. */
int (*connect)(struct vsock_sock *);
u32 seq);
/* Fake conntrack entry for untracked connections */
-DECLARE_PER_CPU(struct nf_conn, nf_conntrack_untracked);
+DECLARE_PER_CPU_ALIGNED(struct nf_conn, nf_conntrack_untracked);
static inline struct nf_conn *nf_ct_untracked_get(void)
{
return raw_cpu_ptr(&nf_conntrack_untracked);
};
};
+/* Store/load an u16 or u8 integer to/from the u32 data register.
+ *
+ * Note, when using concatenations, register allocation happens at 32-bit
+ * level. So for store instruction, pad the rest part with zero to avoid
+ * garbage values.
+ */
+
+static inline void nft_reg_store16(u32 *dreg, u16 val)
+{
+ *dreg = 0;
+ *(u16 *)dreg = val;
+}
+
+static inline void nft_reg_store8(u32 *dreg, u8 val)
+{
+ *dreg = 0;
+ *(u8 *)dreg = val;
+}
+
+static inline u16 nft_reg_load16(u32 *sreg)
+{
+ return *(u16 *)sreg;
+}
+
+static inline u8 nft_reg_load8(u32 *sreg)
+{
+ return *(u8 *)sreg;
+}
+
static inline void nft_data_copy(u32 *dst, const struct nft_data *src,
unsigned int len)
{
struct nft_set;
struct nft_set_iter {
u8 genmask;
- bool flush;
unsigned int count;
unsigned int skip;
int err;
struct sk_buff *skb,
const struct nf_hook_state *state)
{
+ unsigned int flags = IP6_FH_F_AUTH;
int protohdr, thoff = 0;
unsigned short frag_off;
nft_set_pktinfo(pkt, skb, state);
- protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
+ protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, &flags);
if (protohdr < 0) {
nft_set_pktinfo_proto_unspec(pkt, skb);
return;
const struct nf_hook_state *state)
{
#if IS_ENABLED(CONFIG_IPV6)
+ unsigned int flags = IP6_FH_F_AUTH;
struct ipv6hdr *ip6h, _ip6h;
unsigned int thoff = 0;
unsigned short frag_off;
if (pkt_len + sizeof(*ip6h) > skb->len)
return -1;
- protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
+ protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, &flags);
if (protohdr < 0)
return -1;
struct sctp_ulpq;
struct sctp_ep_common;
struct crypto_shash;
+struct sctp_stream;
#include <net/sctp/tsnmap.h>
/* Is the Path MTU update pending on this tranport */
pmtu_pending:1,
+ dst_pending_confirm:1, /* need to confirm neighbour */
+
/* Has this transport moved the ctsn since we last sacked */
sack_generation:1;
u32 dst_cookie;
__u32 burst_limited; /* Holds old cwnd when max.burst is applied */
- __u32 dst_pending_confirm; /* need to confirm neighbour */
-
/* Destination */
struct dst_entry *dst;
/* Source address. */
#include <linux/types.h>
#include <target/target_core_base.h>
-#define TRANSPORT_FLAG_PASSTHROUGH 1
+#define TRANSPORT_FLAG_PASSTHROUGH 0x1
+/*
+ * ALUA commands, state checks and setup operations are handled by the
+ * backend module.
+ */
+#define TRANSPORT_FLAG_PASSTHROUGH_ALUA 0x2
struct request_queue;
struct scatterlist;
struct list_head tg_pt_gp_lun_list;
struct se_lun *tg_pt_gp_alua_lun;
struct se_node_acl *tg_pt_gp_alua_nacl;
- struct delayed_work tg_pt_gp_transition_work;
+ struct work_struct tg_pt_gp_transition_work;
struct completion *tg_pt_gp_transition_complete;
};
#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
struct drm_omap_param {
- uint64_t param; /* in */
- uint64_t value; /* in (set_param), out (get_param) */
+ __u64 param; /* in */
+ __u64 value; /* in (set_param), out (get_param) */
};
#define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
union omap_gem_size {
- uint32_t bytes; /* (for non-tiled formats) */
+ __u32 bytes; /* (for non-tiled formats) */
struct {
- uint16_t width;
- uint16_t height;
+ __u16 width;
+ __u16 height;
} tiled; /* (for tiled formats) */
};
struct drm_omap_gem_new {
union omap_gem_size size; /* in */
- uint32_t flags; /* in */
- uint32_t handle; /* out */
- uint32_t __pad;
+ __u32 flags; /* in */
+ __u32 handle; /* out */
+ __u32 __pad;
};
/* mask of operations: */
};
struct drm_omap_gem_cpu_prep {
- uint32_t handle; /* buffer handle (in) */
- uint32_t op; /* mask of omap_gem_op (in) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
};
struct drm_omap_gem_cpu_fini {
- uint32_t handle; /* buffer handle (in) */
- uint32_t op; /* mask of omap_gem_op (in) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
/* TODO maybe here we pass down info about what regions are touched
* by sw so we can be clever about cache ops? For now a placeholder,
* set to zero and we just do full buffer flush..
*/
- uint32_t nregions;
- uint32_t __pad;
+ __u32 nregions;
+ __u32 __pad;
};
struct drm_omap_gem_info {
- uint32_t handle; /* buffer handle (in) */
- uint32_t pad;
- uint64_t offset; /* mmap offset (out) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 pad;
+ __u64 offset; /* mmap offset (out) */
/* note: in case of tiled buffers, the user virtual size can be
* different from the physical size (ie. how many pages are needed
* to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
* This size here is the one that should be used if you want to
* mmap() the buffer:
*/
- uint32_t size; /* virtual size for mmap'ing (out) */
- uint32_t __pad;
+ __u32 size; /* virtual size for mmap'ing (out) */
+ __u32 __pad;
};
#define DRM_OMAP_GET_PARAM 0x00
BTRFS_ERROR_DEV_ONLY_WRITABLE,
BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
};
-/* An error code to error string mapping for the kernel
-* error codes
-*/
-static inline char *btrfs_err_str(enum btrfs_err_code err_code)
-{
- switch (err_code) {
- case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
- return "unable to go below two devices on raid1";
- case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
- return "unable to go below four devices on raid10";
- case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
- return "unable to go below two devices on raid5";
- case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
- return "unable to go below three devices on raid6";
- case BTRFS_ERROR_DEV_TGT_REPLACE:
- return "unable to remove the dev_replace target dev";
- case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
- return "no missing devices found to remove";
- case BTRFS_ERROR_DEV_ONLY_WRITABLE:
- return "unable to remove the only writeable device";
- case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
- return "add/delete/balance/replace/resize operation "\
- "in progress";
- default:
- return NULL;
- }
-}
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
struct btrfs_ioctl_vol_args)
struct pcpu_freelist freelist;
struct bpf_lru lru;
};
- void __percpu *extra_elems;
+ struct htab_elem *__percpu *extra_elems;
atomic_t count; /* number of elements in this hashtable */
u32 n_buckets; /* number of hash buckets */
u32 elem_size; /* size of each element in bytes */
};
-enum extra_elem_state {
- HTAB_NOT_AN_EXTRA_ELEM = 0,
- HTAB_EXTRA_ELEM_FREE,
- HTAB_EXTRA_ELEM_USED
-};
-
/* each htab element is struct htab_elem + key + value */
struct htab_elem {
union {
};
union {
struct rcu_head rcu;
- enum extra_elem_state state;
struct bpf_lru_node lru_node;
};
u32 hash;
htab->map.map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH;
}
+static bool htab_is_prealloc(const struct bpf_htab *htab)
+{
+ return !(htab->map.map_flags & BPF_F_NO_PREALLOC);
+}
+
static inline void htab_elem_set_ptr(struct htab_elem *l, u32 key_size,
void __percpu *pptr)
{
static int prealloc_init(struct bpf_htab *htab)
{
+ u32 num_entries = htab->map.max_entries;
int err = -ENOMEM, i;
- htab->elems = bpf_map_area_alloc(htab->elem_size *
- htab->map.max_entries);
+ if (!htab_is_percpu(htab) && !htab_is_lru(htab))
+ num_entries += num_possible_cpus();
+
+ htab->elems = bpf_map_area_alloc(htab->elem_size * num_entries);
if (!htab->elems)
return -ENOMEM;
if (!htab_is_percpu(htab))
goto skip_percpu_elems;
- for (i = 0; i < htab->map.max_entries; i++) {
+ for (i = 0; i < num_entries; i++) {
u32 size = round_up(htab->map.value_size, 8);
void __percpu *pptr;
if (htab_is_lru(htab))
bpf_lru_populate(&htab->lru, htab->elems,
offsetof(struct htab_elem, lru_node),
- htab->elem_size, htab->map.max_entries);
+ htab->elem_size, num_entries);
else
pcpu_freelist_populate(&htab->freelist,
htab->elems + offsetof(struct htab_elem, fnode),
- htab->elem_size, htab->map.max_entries);
+ htab->elem_size, num_entries);
return 0;
static int alloc_extra_elems(struct bpf_htab *htab)
{
- void __percpu *pptr;
+ struct htab_elem *__percpu *pptr, *l_new;
+ struct pcpu_freelist_node *l;
int cpu;
- pptr = __alloc_percpu_gfp(htab->elem_size, 8, GFP_USER | __GFP_NOWARN);
+ pptr = __alloc_percpu_gfp(sizeof(struct htab_elem *), 8,
+ GFP_USER | __GFP_NOWARN);
if (!pptr)
return -ENOMEM;
for_each_possible_cpu(cpu) {
- ((struct htab_elem *)per_cpu_ptr(pptr, cpu))->state =
- HTAB_EXTRA_ELEM_FREE;
+ l = pcpu_freelist_pop(&htab->freelist);
+ /* pop will succeed, since prealloc_init()
+ * preallocated extra num_possible_cpus elements
+ */
+ l_new = container_of(l, struct htab_elem, fnode);
+ *per_cpu_ptr(pptr, cpu) = l_new;
}
htab->extra_elems = pptr;
return 0;
raw_spin_lock_init(&htab->buckets[i].lock);
}
- if (!percpu && !lru) {
- /* lru itself can remove the least used element, so
- * there is no need for an extra elem during map_update.
- */
- err = alloc_extra_elems(htab);
- if (err)
- goto free_buckets;
- }
-
if (prealloc) {
err = prealloc_init(htab);
if (err)
- goto free_extra_elems;
+ goto free_buckets;
+
+ if (!percpu && !lru) {
+ /* lru itself can remove the least used element, so
+ * there is no need for an extra elem during map_update.
+ */
+ err = alloc_extra_elems(htab);
+ if (err)
+ goto free_prealloc;
+ }
}
return &htab->map;
-free_extra_elems:
- free_percpu(htab->extra_elems);
+free_prealloc:
+ prealloc_destroy(htab);
free_buckets:
bpf_map_area_free(htab->buckets);
free_htab:
map->ops->map_fd_put_ptr(ptr);
}
- if (l->state == HTAB_EXTRA_ELEM_USED) {
- l->state = HTAB_EXTRA_ELEM_FREE;
- return;
- }
-
- if (!(htab->map.map_flags & BPF_F_NO_PREALLOC)) {
+ if (htab_is_prealloc(htab)) {
pcpu_freelist_push(&htab->freelist, &l->fnode);
} else {
atomic_dec(&htab->count);
static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
void *value, u32 key_size, u32 hash,
bool percpu, bool onallcpus,
- bool old_elem_exists)
+ struct htab_elem *old_elem)
{
u32 size = htab->map.value_size;
- bool prealloc = !(htab->map.map_flags & BPF_F_NO_PREALLOC);
- struct htab_elem *l_new;
+ bool prealloc = htab_is_prealloc(htab);
+ struct htab_elem *l_new, **pl_new;
void __percpu *pptr;
- int err = 0;
if (prealloc) {
- struct pcpu_freelist_node *l;
+ if (old_elem) {
+ /* if we're updating the existing element,
+ * use per-cpu extra elems to avoid freelist_pop/push
+ */
+ pl_new = this_cpu_ptr(htab->extra_elems);
+ l_new = *pl_new;
+ *pl_new = old_elem;
+ } else {
+ struct pcpu_freelist_node *l;
- l = pcpu_freelist_pop(&htab->freelist);
- if (!l)
- err = -E2BIG;
- else
+ l = pcpu_freelist_pop(&htab->freelist);
+ if (!l)
+ return ERR_PTR(-E2BIG);
l_new = container_of(l, struct htab_elem, fnode);
- } else {
- if (atomic_inc_return(&htab->count) > htab->map.max_entries) {
- atomic_dec(&htab->count);
- err = -E2BIG;
- } else {
- l_new = kmalloc(htab->elem_size,
- GFP_ATOMIC | __GFP_NOWARN);
- if (!l_new)
- return ERR_PTR(-ENOMEM);
}
- }
-
- if (err) {
- if (!old_elem_exists)
- return ERR_PTR(err);
-
- /* if we're updating the existing element and the hash table
- * is full, use per-cpu extra elems
- */
- l_new = this_cpu_ptr(htab->extra_elems);
- if (l_new->state != HTAB_EXTRA_ELEM_FREE)
- return ERR_PTR(-E2BIG);
- l_new->state = HTAB_EXTRA_ELEM_USED;
} else {
- l_new->state = HTAB_NOT_AN_EXTRA_ELEM;
+ if (atomic_inc_return(&htab->count) > htab->map.max_entries)
+ if (!old_elem) {
+ /* when map is full and update() is replacing
+ * old element, it's ok to allocate, since
+ * old element will be freed immediately.
+ * Otherwise return an error
+ */
+ atomic_dec(&htab->count);
+ return ERR_PTR(-E2BIG);
+ }
+ l_new = kmalloc(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN);
+ if (!l_new)
+ return ERR_PTR(-ENOMEM);
}
memcpy(l_new->key, key, key_size);
goto err;
l_new = alloc_htab_elem(htab, key, value, key_size, hash, false, false,
- !!l_old);
+ l_old);
if (IS_ERR(l_new)) {
/* all pre-allocated elements are in use or memory exhausted */
ret = PTR_ERR(l_new);
hlist_nulls_add_head_rcu(&l_new->hash_node, head);
if (l_old) {
hlist_nulls_del_rcu(&l_old->hash_node);
- free_htab_elem(htab, l_old);
+ if (!htab_is_prealloc(htab))
+ free_htab_elem(htab, l_old);
}
ret = 0;
err:
value, onallcpus);
} else {
l_new = alloc_htab_elem(htab, key, value, key_size,
- hash, true, onallcpus, false);
+ hash, true, onallcpus, NULL);
if (IS_ERR(l_new)) {
ret = PTR_ERR(l_new);
goto err;
hlist_nulls_for_each_entry_safe(l, n, head, hash_node) {
hlist_nulls_del_rcu(&l->hash_node);
- if (l->state != HTAB_EXTRA_ELEM_USED)
- htab_elem_free(htab, l);
+ htab_elem_free(htab, l);
}
}
}
* not have executed. Wait for them.
*/
rcu_barrier();
- if (htab->map.map_flags & BPF_F_NO_PREALLOC)
+ if (!htab_is_prealloc(htab))
delete_all_elements(htab);
else
prealloc_destroy(htab);
struct cpuhp_step *sp;
int ret = 0;
- mutex_lock(&cpuhp_state_mutex);
-
if (state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN) {
ret = cpuhp_reserve_state(state);
if (ret < 0)
- goto out;
+ return ret;
state = ret;
}
sp = cpuhp_get_step(state);
- if (name && sp->name) {
- ret = -EBUSY;
- goto out;
- }
+ if (name && sp->name)
+ return -EBUSY;
+
sp->startup.single = startup;
sp->teardown.single = teardown;
sp->name = name;
sp->multi_instance = multi_instance;
INIT_HLIST_HEAD(&sp->list);
-out:
- mutex_unlock(&cpuhp_state_mutex);
return ret;
}
return -EINVAL;
get_online_cpus();
+ mutex_lock(&cpuhp_state_mutex);
if (!invoke || !sp->startup.multi)
goto add_node;
if (ret) {
if (sp->teardown.multi)
cpuhp_rollback_install(cpu, state, node);
- goto err;
+ goto unlock;
}
}
add_node:
ret = 0;
- mutex_lock(&cpuhp_state_mutex);
hlist_add_head(node, &sp->list);
+unlock:
mutex_unlock(&cpuhp_state_mutex);
-
-err:
put_online_cpus();
return ret;
}
return -EINVAL;
get_online_cpus();
+ mutex_lock(&cpuhp_state_mutex);
ret = cpuhp_store_callbacks(state, name, startup, teardown,
multi_instance);
}
}
out:
+ mutex_unlock(&cpuhp_state_mutex);
put_online_cpus();
/*
* If the requested state is CPUHP_AP_ONLINE_DYN, return the
return -EINVAL;
get_online_cpus();
+ mutex_lock(&cpuhp_state_mutex);
+
if (!invoke || !cpuhp_get_teardown_cb(state))
goto remove;
/*
}
remove:
- mutex_lock(&cpuhp_state_mutex);
hlist_del(node);
mutex_unlock(&cpuhp_state_mutex);
put_online_cpus();
return 0;
}
EXPORT_SYMBOL_GPL(__cpuhp_state_remove_instance);
+
/**
* __cpuhp_remove_state - Remove the callbacks for an hotplug machine state
* @state: The state to remove
get_online_cpus();
+ mutex_lock(&cpuhp_state_mutex);
if (sp->multi_instance) {
WARN(!hlist_empty(&sp->list),
"Error: Removing state %d which has instances left.\n",
}
remove:
cpuhp_store_callbacks(state, NULL, NULL, NULL, false);
+ mutex_unlock(&cpuhp_state_mutex);
put_online_cpus();
}
EXPORT_SYMBOL(__cpuhp_remove_state);
raw_spin_lock_irq(&ctx->lock);
/*
- * Mark this even as STATE_DEAD, there is no external reference to it
+ * Mark this event as STATE_DEAD, there is no external reference to it
* anymore.
*
* Anybody acquiring event->child_mutex after the below loop _must_
continue;
mutex_lock(&ctx->mutex);
-again:
- list_for_each_entry_safe(event, tmp, &ctx->pinned_groups,
- group_entry)
- perf_free_event(event, ctx);
+ raw_spin_lock_irq(&ctx->lock);
+ /*
+ * Destroy the task <-> ctx relation and mark the context dead.
+ *
+ * This is important because even though the task hasn't been
+ * exposed yet the context has been (through child_list).
+ */
+ RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], NULL);
+ WRITE_ONCE(ctx->task, TASK_TOMBSTONE);
+ put_task_struct(task); /* cannot be last */
+ raw_spin_unlock_irq(&ctx->lock);
- list_for_each_entry_safe(event, tmp, &ctx->flexible_groups,
- group_entry)
+ list_for_each_entry_safe(event, tmp, &ctx->event_list, event_entry)
perf_free_event(event, ctx);
- if (!list_empty(&ctx->pinned_groups) ||
- !list_empty(&ctx->flexible_groups))
- goto again;
-
mutex_unlock(&ctx->mutex);
-
put_ctx(ctx);
}
}
}
/*
- * inherit a event from parent task to child task:
+ * Inherit a event from parent task to child task.
+ *
+ * Returns:
+ * - valid pointer on success
+ * - NULL for orphaned events
+ * - IS_ERR() on error
*/
static struct perf_event *
inherit_event(struct perf_event *parent_event,
return child_event;
}
+/*
+ * Inherits an event group.
+ *
+ * This will quietly suppress orphaned events; !inherit_event() is not an error.
+ * This matches with perf_event_release_kernel() removing all child events.
+ *
+ * Returns:
+ * - 0 on success
+ * - <0 on error
+ */
static int inherit_group(struct perf_event *parent_event,
struct task_struct *parent,
struct perf_event_context *parent_ctx,
child, NULL, child_ctx);
if (IS_ERR(leader))
return PTR_ERR(leader);
+ /*
+ * @leader can be NULL here because of is_orphaned_event(). In this
+ * case inherit_event() will create individual events, similar to what
+ * perf_group_detach() would do anyway.
+ */
list_for_each_entry(sub, &parent_event->sibling_list, group_entry) {
child_ctr = inherit_event(sub, parent, parent_ctx,
child, leader, child_ctx);
return 0;
}
+/*
+ * Creates the child task context and tries to inherit the event-group.
+ *
+ * Clears @inherited_all on !attr.inherited or error. Note that we'll leave
+ * inherited_all set when we 'fail' to inherit an orphaned event; this is
+ * consistent with perf_event_release_kernel() removing all child events.
+ *
+ * Returns:
+ * - 0 on success
+ * - <0 on error
+ */
static int
inherit_task_group(struct perf_event *event, struct task_struct *parent,
struct perf_event_context *parent_ctx,
* First allocate and initialize a context for the
* child.
*/
-
child_ctx = alloc_perf_context(parent_ctx->pmu, child);
if (!child_ctx)
return -ENOMEM;
ret = inherit_task_group(event, parent, parent_ctx,
child, ctxn, &inherited_all);
if (ret)
- break;
+ goto out_unlock;
}
/*
ret = inherit_task_group(event, parent, parent_ctx,
child, ctxn, &inherited_all);
if (ret)
- break;
+ goto out_unlock;
}
raw_spin_lock_irqsave(&parent_ctx->lock, flags);
}
raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);
+out_unlock:
mutex_unlock(&parent_ctx->mutex);
perf_unpin_context(parent_ctx);
{
struct hrtimer_sleeper timeout, *to = NULL;
struct rt_mutex_waiter rt_waiter;
- struct rt_mutex *pi_mutex = NULL;
struct futex_hash_bucket *hb;
union futex_key key2 = FUTEX_KEY_INIT;
struct futex_q q = futex_q_init;
if (q.pi_state && (q.pi_state->owner != current)) {
spin_lock(q.lock_ptr);
ret = fixup_pi_state_owner(uaddr2, &q, current);
+ if (ret && rt_mutex_owner(&q.pi_state->pi_mutex) == current)
+ rt_mutex_unlock(&q.pi_state->pi_mutex);
/*
* Drop the reference to the pi state which
* the requeue_pi() code acquired for us.
spin_unlock(q.lock_ptr);
}
} else {
+ struct rt_mutex *pi_mutex;
+
/*
* We have been woken up by futex_unlock_pi(), a timeout, or a
* signal. futex_unlock_pi() will not destroy the lock_ptr nor
if (res)
ret = (res < 0) ? res : 0;
+ /*
+ * If fixup_pi_state_owner() faulted and was unable to handle
+ * the fault, unlock the rt_mutex and return the fault to
+ * userspace.
+ */
+ if (ret && rt_mutex_owner(pi_mutex) == current)
+ rt_mutex_unlock(pi_mutex);
+
/* Unqueue and drop the lock. */
unqueue_me_pi(&q);
}
- /*
- * If fixup_pi_state_owner() faulted and was unable to handle the
- * fault, unlock the rt_mutex and return the fault to userspace.
- */
- if (ret == -EFAULT) {
- if (pi_mutex && rt_mutex_owner(pi_mutex) == current)
- rt_mutex_unlock(pi_mutex);
- } else if (ret == -EINTR) {
+ if (ret == -EINTR) {
/*
* We've already been requeued, but cannot restart by calling
* futex_lock_pi() directly. We could restart this syscall, but
*/
if (sem->count == 0)
break;
- if (signal_pending_state(state, current)) {
- ret = -EINTR;
- goto out;
- }
+ if (signal_pending_state(state, current))
+ goto out_nolock;
+
set_current_state(state);
raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
schedule();
}
/* got the lock */
sem->count = -1;
-out:
list_del(&waiter.list);
raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
return ret;
+
+out_nolock:
+ list_del(&waiter.list);
+ if (!list_empty(&sem->wait_list))
+ __rwsem_do_wake(sem, 1);
+ raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
+
+ return -EINTR;
}
void __sched __down_write(struct rw_semaphore *sem)
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
- lock_device_hotplug();
mem_hotplug_begin();
arch_remove_memory(align_start, align_size);
mem_hotplug_done();
- unlock_device_hotplug();
untrack_pfn(NULL, PHYS_PFN(align_start), align_size);
pgmap_radix_release(res);
if (error)
goto err_pfn_remap;
- lock_device_hotplug();
mem_hotplug_begin();
error = arch_add_memory(nid, align_start, align_size, true);
mem_hotplug_done();
- unlock_device_hotplug();
if (error)
goto err_add_memory;
*
* This function returns true if:
*
- * runtime / (deadline - t) > dl_runtime / dl_period ,
+ * runtime / (deadline - t) > dl_runtime / dl_deadline ,
*
* IOW we can't recycle current parameters.
*
- * Notice that the bandwidth check is done against the period. For
+ * Notice that the bandwidth check is done against the deadline. For
* task with deadline equal to period this is the same of using
- * dl_deadline instead of dl_period in the equation above.
+ * dl_period instead of dl_deadline in the equation above.
*/
static bool dl_entity_overflow(struct sched_dl_entity *dl_se,
struct sched_dl_entity *pi_se, u64 t)
* of anything below microseconds resolution is actually fiction
* (but still we want to give the user that illusion >;).
*/
- left = (pi_se->dl_period >> DL_SCALE) * (dl_se->runtime >> DL_SCALE);
+ left = (pi_se->dl_deadline >> DL_SCALE) * (dl_se->runtime >> DL_SCALE);
right = ((dl_se->deadline - t) >> DL_SCALE) *
(pi_se->dl_runtime >> DL_SCALE);
}
}
+static inline u64 dl_next_period(struct sched_dl_entity *dl_se)
+{
+ return dl_se->deadline - dl_se->dl_deadline + dl_se->dl_period;
+}
+
/*
* If the entity depleted all its runtime, and if we want it to sleep
* while waiting for some new execution time to become available, we
- * set the bandwidth enforcement timer to the replenishment instant
+ * set the bandwidth replenishment timer to the replenishment instant
* and try to activate it.
*
* Notice that it is important for the caller to know if the timer
* that it is actually coming from rq->clock and not from
* hrtimer's time base reading.
*/
- act = ns_to_ktime(dl_se->deadline);
+ act = ns_to_ktime(dl_next_period(dl_se));
now = hrtimer_cb_get_time(timer);
delta = ktime_to_ns(now) - rq_clock(rq);
act = ktime_add_ns(act, delta);
lockdep_unpin_lock(&rq->lock, rf.cookie);
rq = dl_task_offline_migration(rq, p);
rf.cookie = lockdep_pin_lock(&rq->lock);
+ update_rq_clock(rq);
/*
* Now that the task has been migrated to the new RQ and we
timer->function = dl_task_timer;
}
+/*
+ * During the activation, CBS checks if it can reuse the current task's
+ * runtime and period. If the deadline of the task is in the past, CBS
+ * cannot use the runtime, and so it replenishes the task. This rule
+ * works fine for implicit deadline tasks (deadline == period), and the
+ * CBS was designed for implicit deadline tasks. However, a task with
+ * constrained deadline (deadine < period) might be awakened after the
+ * deadline, but before the next period. In this case, replenishing the
+ * task would allow it to run for runtime / deadline. As in this case
+ * deadline < period, CBS enables a task to run for more than the
+ * runtime / period. In a very loaded system, this can cause a domino
+ * effect, making other tasks miss their deadlines.
+ *
+ * To avoid this problem, in the activation of a constrained deadline
+ * task after the deadline but before the next period, throttle the
+ * task and set the replenishing timer to the begin of the next period,
+ * unless it is boosted.
+ */
+static inline void dl_check_constrained_dl(struct sched_dl_entity *dl_se)
+{
+ struct task_struct *p = dl_task_of(dl_se);
+ struct rq *rq = rq_of_dl_rq(dl_rq_of_se(dl_se));
+
+ if (dl_time_before(dl_se->deadline, rq_clock(rq)) &&
+ dl_time_before(rq_clock(rq), dl_next_period(dl_se))) {
+ if (unlikely(dl_se->dl_boosted || !start_dl_timer(p)))
+ return;
+ dl_se->dl_throttled = 1;
+ }
+}
+
static
int dl_runtime_exceeded(struct sched_dl_entity *dl_se)
{
__dequeue_dl_entity(dl_se);
}
+static inline bool dl_is_constrained(struct sched_dl_entity *dl_se)
+{
+ return dl_se->dl_deadline < dl_se->dl_period;
+}
+
static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags)
{
struct task_struct *pi_task = rt_mutex_get_top_task(p);
return;
}
+ /*
+ * Check if a constrained deadline task was activated
+ * after the deadline but before the next period.
+ * If that is the case, the task will be throttled and
+ * the replenishment timer will be set to the next period.
+ */
+ if (!p->dl.dl_throttled && dl_is_constrained(&p->dl))
+ dl_check_constrained_dl(&p->dl);
+
/*
* If p is throttled, we do nothing. In fact, if it exhausted
* its budget it needs a replenishment and, since it now is on
* If the folding window started, make sure we start writing in the
* next idle-delta.
*/
- if (!time_before(jiffies, calc_load_update))
+ if (!time_before(jiffies, READ_ONCE(calc_load_update)))
idx++;
return idx & 1;
struct rq *this_rq = this_rq();
/*
- * If we're still before the sample window, we're done.
+ * If we're still before the pending sample window, we're done.
*/
+ this_rq->calc_load_update = READ_ONCE(calc_load_update);
if (time_before(jiffies, this_rq->calc_load_update))
return;
* accounted through the nohz accounting, so skip the entire deal and
* sync up for the next window.
*/
- this_rq->calc_load_update = calc_load_update;
if (time_before(jiffies, this_rq->calc_load_update + 10))
this_rq->calc_load_update += LOAD_FREQ;
}
*/
static void calc_global_nohz(void)
{
+ unsigned long sample_window;
long delta, active, n;
- if (!time_before(jiffies, calc_load_update + 10)) {
+ sample_window = READ_ONCE(calc_load_update);
+ if (!time_before(jiffies, sample_window + 10)) {
/*
* Catch-up, fold however many we are behind still
*/
- delta = jiffies - calc_load_update - 10;
+ delta = jiffies - sample_window - 10;
n = 1 + (delta / LOAD_FREQ);
active = atomic_long_read(&calc_load_tasks);
avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n);
avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n);
- calc_load_update += n * LOAD_FREQ;
+ WRITE_ONCE(calc_load_update, sample_window + n * LOAD_FREQ);
}
/*
*/
void calc_global_load(unsigned long ticks)
{
+ unsigned long sample_window;
long active, delta;
- if (time_before(jiffies, calc_load_update + 10))
+ sample_window = READ_ONCE(calc_load_update);
+ if (time_before(jiffies, sample_window + 10))
return;
/*
avenrun[1] = calc_load(avenrun[1], EXP_5, active);
avenrun[2] = calc_load(avenrun[2], EXP_15, active);
- calc_load_update += LOAD_FREQ;
+ WRITE_ONCE(calc_load_update, sample_window + LOAD_FREQ);
/*
* In case we idled for multiple LOAD_FREQ intervals, catch up in bulk.
}
+/* Serializes write accesses to mem_hotplug.active_writer. */
+static DEFINE_MUTEX(memory_add_remove_lock);
+
void mem_hotplug_begin(void)
{
- assert_held_device_hotplug();
+ mutex_lock(&memory_add_remove_lock);
mem_hotplug.active_writer = current;
mem_hotplug.active_writer = NULL;
mutex_unlock(&mem_hotplug.lock);
memhp_lock_release();
+ mutex_unlock(&memory_add_remove_lock);
}
/* add this memory to iomem resource */
{
struct swap_slots_cache *cache;
- BUG_ON(!swap_slot_cache_initialized);
-
cache = &get_cpu_var(swp_slots);
if (use_swap_slot_cache && cache->slots_ret) {
spin_lock_irq(&cache->free_lock);
if (fatal_signal_pending(current)) {
area->nr_pages = i;
- goto fail;
+ goto fail_no_warn;
}
if (node == NUMA_NO_NODE)
warn_alloc(gfp_mask, NULL,
"vmalloc: allocation failure, allocated %ld of %ld bytes",
(area->nr_pages*PAGE_SIZE), area->size);
+fail_no_warn:
vfree(area->addr);
return NULL;
}
z3fold_page_unlock(zhdr);
spin_lock(&pool->lock);
if (kref_put(&zhdr->refcount, release_z3fold_page)) {
+ spin_unlock(&pool->lock);
atomic64_dec(&pool->pages_nr);
return 0;
}
batadv_iv_ogm_schedule(hard_iface);
}
+/**
+ * batadv_iv_init_sel_class - initialize GW selection class
+ * @bat_priv: the bat priv with all the soft interface information
+ */
+static void batadv_iv_init_sel_class(struct batadv_priv *bat_priv)
+{
+ /* set default TQ difference threshold to 20 */
+ atomic_set(&bat_priv->gw.sel_class, 20);
+}
+
static struct batadv_gw_node *
batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
{
.del_if = batadv_iv_ogm_orig_del_if,
},
.gw = {
+ .init_sel_class = batadv_iv_init_sel_class,
.get_best_gw_node = batadv_iv_gw_get_best_gw_node,
.is_eligible = batadv_iv_gw_is_eligible,
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
return ret;
}
+/**
+ * batadv_v_init_sel_class - initialize GW selection class
+ * @bat_priv: the bat priv with all the soft interface information
+ */
+static void batadv_v_init_sel_class(struct batadv_priv *bat_priv)
+{
+ /* set default throughput difference threshold to 5Mbps */
+ atomic_set(&bat_priv->gw.sel_class, 50);
+}
+
static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv,
char *buff, size_t count)
{
.dump = batadv_v_orig_dump,
},
.gw = {
+ .init_sel_class = batadv_v_init_sel_class,
.store_sel_class = batadv_v_store_sel_class,
.show_sel_class = batadv_v_show_sel_class,
.get_best_gw_node = batadv_v_gw_get_best_gw_node,
if (ret < 0)
return ret;
- /* set default throughput difference threshold to 5Mbps */
- atomic_set(&bat_priv->gw.sel_class, 50);
-
return 0;
}
* batadv_frag_create - create a fragment from skb
* @skb: skb to create fragment from
* @frag_head: header to use in new fragment
- * @mtu: size of new fragment
+ * @fragment_size: size of new fragment
*
* Split the passed skb into two fragments: A new one with size matching the
* passed mtu and the old one with the rest. The new skb contains data from the
*/
static struct sk_buff *batadv_frag_create(struct sk_buff *skb,
struct batadv_frag_packet *frag_head,
- unsigned int mtu)
+ unsigned int fragment_size)
{
struct sk_buff *skb_fragment;
unsigned int header_size = sizeof(*frag_head);
- unsigned int fragment_size = mtu - header_size;
+ unsigned int mtu = fragment_size + header_size;
skb_fragment = netdev_alloc_skb(NULL, mtu + ETH_HLEN);
if (!skb_fragment)
struct sk_buff *skb_fragment;
unsigned int mtu = neigh_node->if_incoming->net_dev->mtu;
unsigned int header_size = sizeof(frag_header);
- unsigned int max_fragment_size, max_packet_size;
+ unsigned int max_fragment_size, num_fragments;
int ret;
/* To avoid merge and refragmentation at next-hops we never send
*/
mtu = min_t(unsigned int, mtu, BATADV_FRAG_MAX_FRAG_SIZE);
max_fragment_size = mtu - header_size;
- max_packet_size = max_fragment_size * BATADV_FRAG_MAX_FRAGMENTS;
+
+ if (skb->len == 0 || max_fragment_size == 0)
+ return -EINVAL;
+
+ num_fragments = (skb->len - 1) / max_fragment_size + 1;
+ max_fragment_size = (skb->len - 1) / num_fragments + 1;
/* Don't even try to fragment, if we need more than 16 fragments */
- if (skb->len > max_packet_size) {
+ if (num_fragments > BATADV_FRAG_MAX_FRAGMENTS) {
ret = -EAGAIN;
goto free_skb;
}
goto put_primary_if;
}
- skb_fragment = batadv_frag_create(skb, &frag_header, mtu);
+ skb_fragment = batadv_frag_create(skb, &frag_header,
+ max_fragment_size);
if (!skb_fragment) {
ret = -ENOMEM;
goto put_primary_if;
*/
void batadv_gw_init(struct batadv_priv *bat_priv)
{
+ if (bat_priv->algo_ops->gw.init_sel_class)
+ bat_priv->algo_ops->gw.init_sel_class(bat_priv);
+ else
+ atomic_set(&bat_priv->gw.sel_class, 1);
+
batadv_tvlv_handler_register(bat_priv, batadv_gw_tvlv_ogm_handler_v1,
NULL, BATADV_TVLV_GW, 1,
BATADV_TVLV_HANDLER_OGM_CIFNOTFND);
atomic_set(&bat_priv->mcast.num_want_all_ipv6, 0);
#endif
atomic_set(&bat_priv->gw.mode, BATADV_GW_MODE_OFF);
- atomic_set(&bat_priv->gw.sel_class, 20);
atomic_set(&bat_priv->gw.bandwidth_down, 100);
atomic_set(&bat_priv->gw.bandwidth_up, 20);
atomic_set(&bat_priv->orig_interval, 1000);
/**
* struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific)
+ * @init_sel_class: initialize GW selection class (optional)
* @store_sel_class: parse and stores a new GW selection class (optional)
* @show_sel_class: prints the current GW selection class (optional)
* @get_best_gw_node: select the best GW from the list of available nodes
* @dump: dump gateways to a netlink socket (optional)
*/
struct batadv_algo_gw_ops {
+ void (*init_sel_class)(struct batadv_priv *bat_priv);
ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff,
size_t count);
ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff);
struct hlist_head *head = &br->hash[br_mac_hash(addr, vid)];
struct net_bridge_fdb_entry *fdb;
- WARN_ON_ONCE(!br_hash_lock_held(br));
+ lockdep_assert_held_once(&br->hash_lock);
rcu_read_lock();
fdb = fdb_find_rcu(head, addr, vid);
static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff *skb)
{
- struct nf_bridge_info *nf_bridge;
- unsigned int mtu_reserved;
+ struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
+ unsigned int mtu, mtu_reserved;
mtu_reserved = nf_bridge_mtu_reduction(skb);
+ mtu = skb->dev->mtu;
+
+ if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu)
+ mtu = nf_bridge->frag_max_size;
- if (skb_is_gso(skb) || skb->len + mtu_reserved <= skb->dev->mtu) {
+ if (skb_is_gso(skb) || skb->len + mtu_reserved <= mtu) {
nf_bridge_info_free(skb);
return br_dev_queue_push_xmit(net, sk, skb);
}
- nf_bridge = nf_bridge_info_get(skb);
-
/* This is wrong! We should preserve the original fragment
* boundaries by preserving frag_list rather than refragmenting.
*/
int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid);
-static inline bool br_hash_lock_held(struct net_bridge *br)
-{
-#ifdef CONFIG_LOCKDEP
- return lockdep_is_held(&br->hash_lock);
-#else
- return true;
-#endif
-}
-
/* br_forward.c */
enum br_pkt_type {
BR_PKT_UNICAST,
return 0;
}
-static void update_classid(struct cgroup_subsys_state *css, void *v)
+static void cgrp_attach(struct cgroup_taskset *tset)
{
- struct css_task_iter it;
+ struct cgroup_subsys_state *css;
struct task_struct *p;
- css_task_iter_start(css, &it);
- while ((p = css_task_iter_next(&it))) {
+ cgroup_taskset_for_each(p, css, tset) {
task_lock(p);
- iterate_fd(p->files, 0, update_classid_sock, v);
+ iterate_fd(p->files, 0, update_classid_sock,
+ (void *)(unsigned long)css_cls_state(css)->classid);
task_unlock(p);
}
- css_task_iter_end(&it);
-}
-
-static void cgrp_attach(struct cgroup_taskset *tset)
-{
- struct cgroup_subsys_state *css;
-
- cgroup_taskset_first(tset, &css);
- update_classid(css,
- (void *)(unsigned long)css_cls_state(css)->classid);
}
static u64 read_classid(struct cgroup_subsys_state *css, struct cftype *cft)
u64 value)
{
struct cgroup_cls_state *cs = css_cls_state(css);
+ struct css_task_iter it;
+ struct task_struct *p;
cgroup_sk_alloc_disable();
cs->classid = (u32)value;
- update_classid(css, (void *)(unsigned long)cs->classid);
+ css_task_iter_start(css, &it);
+ while ((p = css_task_iter_next(&it))) {
+ task_lock(p);
+ iterate_fd(p->files, 0, update_classid_sock,
+ (void *)(unsigned long)cs->classid);
+ task_unlock(p);
+ }
+ css_task_iter_end(&it);
+
return 0;
}
atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
}
+static void skb_set_err_queue(struct sk_buff *skb)
+{
+ /* pkt_type of skbs received on local sockets is never PACKET_OUTGOING.
+ * So, it is safe to (mis)use it to mark skbs on the error queue.
+ */
+ skb->pkt_type = PACKET_OUTGOING;
+ BUILD_BUG_ON(PACKET_OUTGOING == 0);
+}
+
/*
* Note: We dont mem charge error packets (no sk_forward_alloc changes)
*/
skb->sk = sk;
skb->destructor = sock_rmem_free;
atomic_add(skb->truesize, &sk->sk_rmem_alloc);
+ skb_set_err_queue(skb);
/* before exiting rcu section, make sure dst is refcounted */
skb_dst_force(skb);
static void __skb_complete_tx_timestamp(struct sk_buff *skb,
struct sock *sk,
- int tstype)
+ int tstype,
+ bool opt_stats)
{
struct sock_exterr_skb *serr;
int err;
+ BUILD_BUG_ON(sizeof(struct sock_exterr_skb) > sizeof(skb->cb));
+
serr = SKB_EXT_ERR(skb);
memset(serr, 0, sizeof(*serr));
serr->ee.ee_errno = ENOMSG;
serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING;
serr->ee.ee_info = tstype;
+ serr->opt_stats = opt_stats;
if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) {
serr->ee.ee_data = skb_shinfo(skb)->tskey;
if (sk->sk_protocol == IPPROTO_TCP &&
*/
if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) {
*skb_hwtstamps(skb) = *hwtstamps;
- __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND);
+ __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND, false);
sock_put(sk);
}
}
struct sock *sk, int tstype)
{
struct sk_buff *skb;
- bool tsonly;
+ bool tsonly, opt_stats = false;
if (!sk)
return;
#ifdef CONFIG_INET
if ((sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS) &&
sk->sk_protocol == IPPROTO_TCP &&
- sk->sk_type == SOCK_STREAM)
+ sk->sk_type == SOCK_STREAM) {
skb = tcp_get_timestamping_opt_stats(sk);
- else
+ opt_stats = true;
+ } else
#endif
skb = alloc_skb(0, GFP_ATOMIC);
} else {
else
skb->tstamp = ktime_get_real();
- __skb_complete_tx_timestamp(skb, sk, tstype);
+ __skb_complete_tx_timestamp(skb, sk, tstype, opt_stats);
}
EXPORT_SYMBOL_GPL(__skb_tstamp_tx);
pr_debug("%s: optmem leakage (%d bytes) detected\n",
__func__, atomic_read(&sk->sk_omem_alloc));
+ if (sk->sk_frag.page) {
+ put_page(sk->sk_frag.page);
+ sk->sk_frag.page = NULL;
+ }
+
if (sk->sk_peer_cred)
put_cred(sk->sk_peer_cred);
put_pid(sk->sk_peer_pid);
is_charged = sk_filter_charge(newsk, filter);
if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) {
+ /* We need to make sure that we don't uncharge the new
+ * socket if we couldn't charge it in the first place
+ * as otherwise we uncharge the parent's filter.
+ */
+ if (!is_charged)
+ RCU_INIT_POINTER(newsk->sk_filter, NULL);
sk_free_unlock_clone(newsk);
newsk = NULL;
goto out;
sk_refcnt_debug_release(sk);
- if (sk->sk_frag.page) {
- put_page(sk->sk_frag.page);
- sk->sk_frag.page = NULL;
- }
-
sock_put(sk);
}
EXPORT_SYMBOL(sk_common_release);
net = sock_net(skb->sk);
nlh = nlmsg_hdr(skb);
- if (skb->len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len ||
+ if (skb->len < nlmsg_total_size(sizeof(*frn)) ||
+ skb->len < nlh->nlmsg_len ||
nlmsg_len(nlh) < sizeof(*frn))
return;
qp = container_of((struct inet_frag_queue *) arg, struct ipq, q);
net = container_of(qp->q.net, struct net, ipv4.frags);
+ rcu_read_lock();
spin_lock(&qp->q.lock);
if (qp->q.flags & INET_FRAG_COMPLETE)
__IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS);
if (!inet_frag_evicting(&qp->q)) {
- struct sk_buff *head = qp->q.fragments;
+ struct sk_buff *clone, *head = qp->q.fragments;
const struct iphdr *iph;
int err;
if (!(qp->q.flags & INET_FRAG_FIRST_IN) || !qp->q.fragments)
goto out;
- rcu_read_lock();
head->dev = dev_get_by_index_rcu(net, qp->iif);
if (!head->dev)
- goto out_rcu_unlock;
+ goto out;
+
/* skb has no dst, perform route lookup again */
iph = ip_hdr(head);
err = ip_route_input_noref(head, iph->daddr, iph->saddr,
iph->tos, head->dev);
if (err)
- goto out_rcu_unlock;
+ goto out;
/* Only an end host needs to send an ICMP
* "Fragment Reassembly Timeout" message, per RFC792.
*/
if (frag_expire_skip_icmp(qp->user) &&
(skb_rtable(head)->rt_type != RTN_LOCAL))
- goto out_rcu_unlock;
+ goto out;
+
+ clone = skb_clone(head, GFP_ATOMIC);
/* Send an ICMP "Fragment Reassembly Timeout" message. */
- icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
-out_rcu_unlock:
- rcu_read_unlock();
+ if (clone) {
+ spin_unlock(&qp->q.lock);
+ icmp_send(clone, ICMP_TIME_EXCEEDED,
+ ICMP_EXC_FRAGTIME, 0);
+ consume_skb(clone);
+ goto out_rcu_unlock;
+ }
}
out:
spin_unlock(&qp->q.lock);
+out_rcu_unlock:
+ rcu_read_unlock();
ipq_put(qp);
}
if (skb->len < sizeof(struct iphdr) ||
ip_hdrlen(skb) < sizeof(struct iphdr))
return NF_ACCEPT;
+
+ if (ip_is_fragment(ip_hdr(skb))) /* IP_NODEFRAG setsockopt set */
+ return NF_ACCEPT;
+
return nf_conntrack_in(state->net, PF_INET, state->hook, skb);
}
/* maniptype == SRC for postrouting. */
enum nf_nat_manip_type maniptype = HOOK2MANIP(state->hook);
- /* We never see fragments: conntrack defrags on pre-routing
- * and local-out, and nf_nat_out protects post-routing.
- */
- NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb)));
-
ct = nf_ct_get(skb, &ctinfo);
/* Can't track? It's not due to stress, or conntrack would
* have dropped it. Hence it's the user's responsibilty to
memset(&range, 0, sizeof(range));
range.flags = priv->flags;
if (priv->sreg_proto_min) {
- range.min_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_min];
- range.max_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_max];
+ range.min_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_min]);
+ range.max_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_max]);
}
regs->verdict.code = nf_nat_masquerade_ipv4(pkt->skb, nft_hook(pkt),
&range, nft_out(pkt));
memset(&mr, 0, sizeof(mr));
if (priv->sreg_proto_min) {
- mr.range[0].min.all =
- *(__be16 *)®s->data[priv->sreg_proto_min];
- mr.range[0].max.all =
- *(__be16 *)®s->data[priv->sreg_proto_max];
+ mr.range[0].min.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_min]);
+ mr.range[0].max.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_max]);
mr.range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
{
const struct tcp_sock *tp = tcp_sk(sk); /* iff sk_type == SOCK_STREAM */
const struct inet_connection_sock *icsk = inet_csk(sk);
- u32 now = tcp_time_stamp, intv;
+ u32 now, intv;
u64 rate64;
bool slow;
u32 rate;
info->tcpi_retrans = tp->retrans_out;
info->tcpi_fackets = tp->fackets_out;
+ now = tcp_time_stamp;
info->tcpi_last_data_sent = jiffies_to_msecs(now - tp->lsndtime);
info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime);
info->tcpi_last_ack_recv = jiffies_to_msecs(now - tp->rcv_tstamp);
struct inet_connection_sock *icsk = inet_csk(sk);
tcp_set_state(sk, TCP_ESTABLISHED);
+ icsk->icsk_ack.lrcvtime = tcp_time_stamp;
if (skb) {
icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);
* to stand against the temptation 8) --ANK
*/
inet_csk_schedule_ack(sk);
- icsk->icsk_ack.lrcvtime = tcp_time_stamp;
tcp_enter_quickack_mode(sk);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
TCP_DELACK_MAX, TCP_RTO_MAX);
newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
minmax_reset(&newtp->rtt_min, tcp_time_stamp, ~0U);
newicsk->icsk_rto = TCP_TIMEOUT_INIT;
+ newicsk->icsk_ack.lrcvtime = tcp_time_stamp;
newtp->packets_out = 0;
newtp->retrans_out = 0;
memset(&range, 0, sizeof(range));
range.flags = priv->flags;
if (priv->sreg_proto_min) {
- range.min_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_min];
- range.max_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_max];
+ range.min_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_min]);
+ range.max_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_max]);
}
regs->verdict.code = nf_nat_masquerade_ipv6(pkt->skb, &range,
nft_out(pkt));
memset(&range, 0, sizeof(range));
if (priv->sreg_proto_min) {
- range.min_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_min],
- range.max_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_max],
+ range.min_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_min]);
+ range.max_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_max]);
range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
}
else if (rt->rt6i_flags & RTF_LOCAL)
rtm->rtm_type = RTN_LOCAL;
+ else if (rt->rt6i_flags & RTF_ANYCAST)
+ rtm->rtm_type = RTN_ANYCAST;
else if (rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK))
rtm->rtm_type = RTN_LOCAL;
else
ipc6.hlimit = -1;
ipc6.tclass = -1;
ipc6.dontfrag = -1;
+ sockc.tsflags = sk->sk_tsflags;
/* destination address check */
if (sin6) {
fl6.flowi6_mark = sk->sk_mark;
fl6.flowi6_uid = sk->sk_uid;
- sockc.tsflags = sk->sk_tsflags;
if (msg->msg_controllen) {
opt = &opt_space;
{
struct mpls_route __rcu **platform_label;
struct net *net = dev_net(dev);
+ unsigned int nh_flags = RTNH_F_DEAD | RTNH_F_LINKDOWN;
+ unsigned int alive;
unsigned index;
platform_label = rtnl_dereference(net->mpls.platform_label);
if (!rt)
continue;
+ alive = 0;
change_nexthops(rt) {
if (rtnl_dereference(nh->nh_dev) != dev)
- continue;
+ goto next;
+
switch (event) {
case NETDEV_DOWN:
case NETDEV_UNREGISTER:
/* fall through */
case NETDEV_CHANGE:
nh->nh_flags |= RTNH_F_LINKDOWN;
- if (event != NETDEV_UNREGISTER)
- ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1;
break;
}
if (event == NETDEV_UNREGISTER)
RCU_INIT_POINTER(nh->nh_dev, NULL);
+next:
+ if (!(nh->nh_flags & nh_flags))
+ alive++;
} endfor_nexthops(rt);
+
+ WRITE_ONCE(rt->rt_nhn_alive, alive);
}
}
unsigned int nf_conntrack_max __read_mostly;
seqcount_t nf_conntrack_generation __read_mostly;
-DEFINE_PER_CPU(struct nf_conn, nf_conntrack_untracked);
+/* nf_conn must be 8 bytes aligned, as the 3 LSB bits are used
+ * for the nfctinfo. We cheat by (ab)using the PER CPU cache line
+ * alignment to enforce this.
+ */
+DEFINE_PER_CPU_ALIGNED(struct nf_conn, nf_conntrack_untracked);
EXPORT_PER_CPU_SYMBOL(nf_conntrack_untracked);
static unsigned int nf_conntrack_hash_rnd __read_mostly;
enum nf_nat_manip_type maniptype)
{
sctp_sctphdr_t *hdr;
+ int hdrsize = 8;
- if (!skb_make_writable(skb, hdroff + sizeof(*hdr)))
+ /* This could be an inner header returned in imcp packet; in such
+ * cases we cannot update the checksum field since it is outside
+ * of the 8 bytes of transport layer headers we are guaranteed.
+ */
+ if (skb->len >= hdroff + sizeof(*hdr))
+ hdrsize = sizeof(*hdr);
+
+ if (!skb_make_writable(skb, hdroff + hdrsize))
return false;
hdr = (struct sctphdr *)(skb->data + hdroff);
hdr->dest = tuple->dst.u.sctp.port;
}
+ if (hdrsize < sizeof(*hdr))
+ return true;
+
if (skb->ip_summed != CHECKSUM_PARTIAL) {
hdr->checksum = sctp_compute_cksum(skb, hdroff);
skb->ip_summed = CHECKSUM_NONE;
iter.count = 0;
iter.err = 0;
iter.fn = nf_tables_bind_check_setelem;
- iter.flush = false;
set->ops->walk(ctx, set, &iter);
if (iter.err < 0)
args.iter.count = 0;
args.iter.err = 0;
args.iter.fn = nf_tables_dump_setelem;
- args.iter.flush = false;
set->ops->walk(&ctx, set, &args.iter);
nla_nest_end(skb, nest);
struct nft_set_iter iter = {
.genmask = genmask,
.fn = nft_flush_set,
- .flush = true,
};
set->ops->walk(&ctx, set, &iter);
iter.count = 0;
iter.err = 0;
iter.fn = nf_tables_loop_check_setelem;
- iter.flush = false;
set->ops->walk(ctx, set, &iter);
if (iter.err < 0)
switch (priv->key) {
case NFT_CT_DIRECTION:
- *dest = CTINFO2DIR(ctinfo);
+ nft_reg_store8(dest, CTINFO2DIR(ctinfo));
return;
case NFT_CT_STATUS:
*dest = ct->status;
return;
}
case NFT_CT_L3PROTOCOL:
- *dest = nf_ct_l3num(ct);
+ nft_reg_store8(dest, nf_ct_l3num(ct));
return;
case NFT_CT_PROTOCOL:
- *dest = nf_ct_protonum(ct);
+ nft_reg_store8(dest, nf_ct_protonum(ct));
return;
#ifdef CONFIG_NF_CONNTRACK_ZONES
case NFT_CT_ZONE: {
const struct nf_conntrack_zone *zone = nf_ct_zone(ct);
+ u16 zoneid;
if (priv->dir < IP_CT_DIR_MAX)
- *dest = nf_ct_zone_id(zone, priv->dir);
+ zoneid = nf_ct_zone_id(zone, priv->dir);
else
- *dest = zone->id;
+ zoneid = zone->id;
+ nft_reg_store16(dest, zoneid);
return;
}
#endif
nf_ct_l3num(ct) == NFPROTO_IPV4 ? 4 : 16);
return;
case NFT_CT_PROTO_SRC:
- *dest = (__force __u16)tuple->src.u.all;
+ nft_reg_store16(dest, (__force u16)tuple->src.u.all);
return;
case NFT_CT_PROTO_DST:
- *dest = (__force __u16)tuple->dst.u.all;
+ nft_reg_store16(dest, (__force u16)tuple->dst.u.all);
return;
default:
break;
const struct nft_ct *priv = nft_expr_priv(expr);
struct sk_buff *skb = pkt->skb;
enum ip_conntrack_info ctinfo;
- u16 value = regs->data[priv->sreg];
+ u16 value = nft_reg_load16(®s->data[priv->sreg]);
struct nf_conn *ct;
ct = nf_ct_get(skb, &ctinfo);
case IP_CT_DIR_REPLY:
break;
default:
- return -EINVAL;
+ err = -EINVAL;
+ goto err1;
}
}
*dest = skb->len;
break;
case NFT_META_PROTOCOL:
- *dest = 0;
- *(__be16 *)dest = skb->protocol;
+ nft_reg_store16(dest, (__force u16)skb->protocol);
break;
case NFT_META_NFPROTO:
- *dest = nft_pf(pkt);
+ nft_reg_store8(dest, nft_pf(pkt));
break;
case NFT_META_L4PROTO:
if (!pkt->tprot_set)
goto err;
- *dest = pkt->tprot;
+ nft_reg_store8(dest, pkt->tprot);
break;
case NFT_META_PRIORITY:
*dest = skb->priority;
case NFT_META_IIFTYPE:
if (in == NULL)
goto err;
- *dest = 0;
- *(u16 *)dest = in->type;
+ nft_reg_store16(dest, in->type);
break;
case NFT_META_OIFTYPE:
if (out == NULL)
goto err;
- *dest = 0;
- *(u16 *)dest = out->type;
+ nft_reg_store16(dest, out->type);
break;
case NFT_META_SKUID:
sk = skb_to_full_sk(skb);
#endif
case NFT_META_PKTTYPE:
if (skb->pkt_type != PACKET_LOOPBACK) {
- *dest = skb->pkt_type;
+ nft_reg_store8(dest, skb->pkt_type);
break;
}
switch (nft_pf(pkt)) {
case NFPROTO_IPV4:
if (ipv4_is_multicast(ip_hdr(skb)->daddr))
- *dest = PACKET_MULTICAST;
+ nft_reg_store8(dest, PACKET_MULTICAST);
else
- *dest = PACKET_BROADCAST;
+ nft_reg_store8(dest, PACKET_BROADCAST);
break;
case NFPROTO_IPV6:
- *dest = PACKET_MULTICAST;
+ nft_reg_store8(dest, PACKET_MULTICAST);
break;
case NFPROTO_NETDEV:
switch (skb->protocol) {
goto err;
if (ipv4_is_multicast(iph->daddr))
- *dest = PACKET_MULTICAST;
+ nft_reg_store8(dest, PACKET_MULTICAST);
else
- *dest = PACKET_BROADCAST;
+ nft_reg_store8(dest, PACKET_BROADCAST);
break;
}
case htons(ETH_P_IPV6):
- *dest = PACKET_MULTICAST;
+ nft_reg_store8(dest, PACKET_MULTICAST);
break;
default:
WARN_ON_ONCE(1);
{
const struct nft_meta *meta = nft_expr_priv(expr);
struct sk_buff *skb = pkt->skb;
- u32 value = regs->data[meta->sreg];
+ u32 *sreg = ®s->data[meta->sreg];
+ u32 value = *sreg;
+ u8 pkt_type;
switch (meta->key) {
case NFT_META_MARK:
skb->priority = value;
break;
case NFT_META_PKTTYPE:
- if (skb->pkt_type != value &&
- skb_pkt_type_ok(value) && skb_pkt_type_ok(skb->pkt_type))
- skb->pkt_type = value;
+ pkt_type = nft_reg_load8(sreg);
+
+ if (skb->pkt_type != pkt_type &&
+ skb_pkt_type_ok(pkt_type) &&
+ skb_pkt_type_ok(skb->pkt_type))
+ skb->pkt_type = pkt_type;
break;
case NFT_META_NFTRACE:
skb->nf_trace = !!value;
}
if (priv->sreg_proto_min) {
- range.min_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_min];
- range.max_proto.all =
- *(__be16 *)®s->data[priv->sreg_proto_max];
+ range.min_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_min]);
+ range.max_proto.all = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg_proto_max]);
range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
+struct nft_bitmap_elem {
+ struct list_head head;
+ struct nft_set_ext ext;
+};
+
/* This bitmap uses two bits to represent one element. These two bits determine
* the element state in the current and the future generation.
*
* restore its previous state.
*/
struct nft_bitmap {
- u16 bitmap_size;
- u8 bitmap[];
+ struct list_head list;
+ u16 bitmap_size;
+ u8 bitmap[];
};
-static inline void nft_bitmap_location(u32 key, u32 *idx, u32 *off)
+static inline void nft_bitmap_location(const struct nft_set *set,
+ const void *key,
+ u32 *idx, u32 *off)
{
- u32 k = (key << 1);
+ u32 k;
+
+ if (set->klen == 2)
+ k = *(u16 *)key;
+ else
+ k = *(u8 *)key;
+ k <<= 1;
*idx = k / BITS_PER_BYTE;
*off = k % BITS_PER_BYTE;
u8 genmask = nft_genmask_cur(net);
u32 idx, off;
- nft_bitmap_location(*key, &idx, &off);
+ nft_bitmap_location(set, key, &idx, &off);
return nft_bitmap_active(priv->bitmap, idx, off, genmask);
}
+static struct nft_bitmap_elem *
+nft_bitmap_elem_find(const struct nft_set *set, struct nft_bitmap_elem *this,
+ u8 genmask)
+{
+ const struct nft_bitmap *priv = nft_set_priv(set);
+ struct nft_bitmap_elem *be;
+
+ list_for_each_entry_rcu(be, &priv->list, head) {
+ if (memcmp(nft_set_ext_key(&be->ext),
+ nft_set_ext_key(&this->ext), set->klen) ||
+ !nft_set_elem_active(&be->ext, genmask))
+ continue;
+
+ return be;
+ }
+ return NULL;
+}
+
static int nft_bitmap_insert(const struct net *net, const struct nft_set *set,
const struct nft_set_elem *elem,
- struct nft_set_ext **_ext)
+ struct nft_set_ext **ext)
{
struct nft_bitmap *priv = nft_set_priv(set);
- struct nft_set_ext *ext = elem->priv;
+ struct nft_bitmap_elem *new = elem->priv, *be;
u8 genmask = nft_genmask_next(net);
u32 idx, off;
- nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off);
- if (nft_bitmap_active(priv->bitmap, idx, off, genmask))
+ be = nft_bitmap_elem_find(set, new, genmask);
+ if (be) {
+ *ext = &be->ext;
return -EEXIST;
+ }
+ nft_bitmap_location(set, nft_set_ext_key(&new->ext), &idx, &off);
/* Enter 01 state. */
priv->bitmap[idx] |= (genmask << off);
+ list_add_tail_rcu(&new->head, &priv->list);
return 0;
}
const struct nft_set_elem *elem)
{
struct nft_bitmap *priv = nft_set_priv(set);
- struct nft_set_ext *ext = elem->priv;
+ struct nft_bitmap_elem *be = elem->priv;
u8 genmask = nft_genmask_next(net);
u32 idx, off;
- nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off);
+ nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off);
/* Enter 00 state. */
priv->bitmap[idx] &= ~(genmask << off);
+ list_del_rcu(&be->head);
}
static void nft_bitmap_activate(const struct net *net,
const struct nft_set_elem *elem)
{
struct nft_bitmap *priv = nft_set_priv(set);
- struct nft_set_ext *ext = elem->priv;
+ struct nft_bitmap_elem *be = elem->priv;
u8 genmask = nft_genmask_next(net);
u32 idx, off;
- nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off);
+ nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off);
/* Enter 11 state. */
priv->bitmap[idx] |= (genmask << off);
+ nft_set_elem_change_active(net, set, &be->ext);
}
static bool nft_bitmap_flush(const struct net *net,
- const struct nft_set *set, void *ext)
+ const struct nft_set *set, void *_be)
{
struct nft_bitmap *priv = nft_set_priv(set);
u8 genmask = nft_genmask_next(net);
+ struct nft_bitmap_elem *be = _be;
u32 idx, off;
- nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off);
+ nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off);
/* Enter 10 state, similar to deactivation. */
priv->bitmap[idx] &= ~(genmask << off);
+ nft_set_elem_change_active(net, set, &be->ext);
return true;
}
-static struct nft_set_ext *nft_bitmap_ext_alloc(const struct nft_set *set,
- const struct nft_set_elem *elem)
-{
- struct nft_set_ext_tmpl tmpl;
- struct nft_set_ext *ext;
-
- nft_set_ext_prepare(&tmpl);
- nft_set_ext_add_length(&tmpl, NFT_SET_EXT_KEY, set->klen);
-
- ext = kzalloc(tmpl.len, GFP_KERNEL);
- if (!ext)
- return NULL;
-
- nft_set_ext_init(ext, &tmpl);
- memcpy(nft_set_ext_key(ext), elem->key.val.data, set->klen);
-
- return ext;
-}
-
static void *nft_bitmap_deactivate(const struct net *net,
const struct nft_set *set,
const struct nft_set_elem *elem)
{
struct nft_bitmap *priv = nft_set_priv(set);
+ struct nft_bitmap_elem *this = elem->priv, *be;
u8 genmask = nft_genmask_next(net);
- struct nft_set_ext *ext;
- u32 idx, off, key = 0;
-
- memcpy(&key, elem->key.val.data, set->klen);
- nft_bitmap_location(key, &idx, &off);
+ u32 idx, off;
- if (!nft_bitmap_active(priv->bitmap, idx, off, genmask))
- return NULL;
+ nft_bitmap_location(set, elem->key.val.data, &idx, &off);
- /* We have no real set extension since this is a bitmap, allocate this
- * dummy object that is released from the commit/abort path.
- */
- ext = nft_bitmap_ext_alloc(set, elem);
- if (!ext)
+ be = nft_bitmap_elem_find(set, this, genmask);
+ if (!be)
return NULL;
/* Enter 10 state. */
priv->bitmap[idx] &= ~(genmask << off);
+ nft_set_elem_change_active(net, set, &be->ext);
- return ext;
+ return be;
}
static void nft_bitmap_walk(const struct nft_ctx *ctx,
struct nft_set_iter *iter)
{
const struct nft_bitmap *priv = nft_set_priv(set);
- struct nft_set_ext_tmpl tmpl;
+ struct nft_bitmap_elem *be;
struct nft_set_elem elem;
- struct nft_set_ext *ext;
- int idx, off;
- u16 key;
-
- nft_set_ext_prepare(&tmpl);
- nft_set_ext_add_length(&tmpl, NFT_SET_EXT_KEY, set->klen);
-
- for (idx = 0; idx < priv->bitmap_size; idx++) {
- for (off = 0; off < BITS_PER_BYTE; off += 2) {
- if (iter->count < iter->skip)
- goto cont;
-
- if (!nft_bitmap_active(priv->bitmap, idx, off,
- iter->genmask))
- goto cont;
-
- ext = kzalloc(tmpl.len, GFP_KERNEL);
- if (!ext) {
- iter->err = -ENOMEM;
- return;
- }
- nft_set_ext_init(ext, &tmpl);
- key = ((idx * BITS_PER_BYTE) + off) >> 1;
- memcpy(nft_set_ext_key(ext), &key, set->klen);
-
- elem.priv = ext;
- iter->err = iter->fn(ctx, set, iter, &elem);
-
- /* On set flush, this dummy extension object is released
- * from the commit/abort path.
- */
- if (!iter->flush)
- kfree(ext);
-
- if (iter->err < 0)
- return;
+
+ list_for_each_entry_rcu(be, &priv->list, head) {
+ if (iter->count < iter->skip)
+ goto cont;
+ if (!nft_set_elem_active(&be->ext, iter->genmask))
+ goto cont;
+
+ elem.priv = be;
+
+ iter->err = iter->fn(ctx, set, iter, &elem);
+
+ if (iter->err < 0)
+ return;
cont:
- iter->count++;
- }
+ iter->count++;
}
}
{
struct nft_bitmap *priv = nft_set_priv(set);
+ INIT_LIST_HEAD(&priv->list);
priv->bitmap_size = nft_bitmap_size(set->klen);
return 0;
static struct nft_set_ops nft_bitmap_ops __read_mostly = {
.privsize = nft_bitmap_privsize,
+ .elemsize = offsetof(struct nft_bitmap_elem, ext),
.estimate = nft_bitmap_estimate,
.init = nft_bitmap_init,
.destroy = nft_bitmap_destroy,
static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait);
+static struct lock_class_key nlk_cb_mutex_keys[MAX_LINKS];
+
+static const char *const nlk_cb_mutex_key_strings[MAX_LINKS + 1] = {
+ "nlk_cb_mutex-ROUTE",
+ "nlk_cb_mutex-1",
+ "nlk_cb_mutex-USERSOCK",
+ "nlk_cb_mutex-FIREWALL",
+ "nlk_cb_mutex-SOCK_DIAG",
+ "nlk_cb_mutex-NFLOG",
+ "nlk_cb_mutex-XFRM",
+ "nlk_cb_mutex-SELINUX",
+ "nlk_cb_mutex-ISCSI",
+ "nlk_cb_mutex-AUDIT",
+ "nlk_cb_mutex-FIB_LOOKUP",
+ "nlk_cb_mutex-CONNECTOR",
+ "nlk_cb_mutex-NETFILTER",
+ "nlk_cb_mutex-IP6_FW",
+ "nlk_cb_mutex-DNRTMSG",
+ "nlk_cb_mutex-KOBJECT_UEVENT",
+ "nlk_cb_mutex-GENERIC",
+ "nlk_cb_mutex-17",
+ "nlk_cb_mutex-SCSITRANSPORT",
+ "nlk_cb_mutex-ECRYPTFS",
+ "nlk_cb_mutex-RDMA",
+ "nlk_cb_mutex-CRYPTO",
+ "nlk_cb_mutex-SMC",
+ "nlk_cb_mutex-23",
+ "nlk_cb_mutex-24",
+ "nlk_cb_mutex-25",
+ "nlk_cb_mutex-26",
+ "nlk_cb_mutex-27",
+ "nlk_cb_mutex-28",
+ "nlk_cb_mutex-29",
+ "nlk_cb_mutex-30",
+ "nlk_cb_mutex-31",
+ "nlk_cb_mutex-MAX_LINKS"
+};
+
static int netlink_dump(struct sock *sk);
static void netlink_skb_destructor(struct sk_buff *skb);
} else {
nlk->cb_mutex = &nlk->cb_def_mutex;
mutex_init(nlk->cb_mutex);
+ lockdep_set_class_and_name(nlk->cb_mutex,
+ nlk_cb_mutex_keys + protocol,
+ nlk_cb_mutex_key_strings[protocol]);
}
init_waitqueue_head(&nlk->wait);
if (ctrl_fill_info(rt, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- skb, CTRL_CMD_NEWFAMILY) < 0)
+ skb, CTRL_CMD_NEWFAMILY) < 0) {
+ n--;
break;
+ }
}
cb->args[0] = n;
ipv4 = true;
break;
case OVS_TUNNEL_KEY_ATTR_IPV6_SRC:
- SW_FLOW_KEY_PUT(match, tun_key.u.ipv6.dst,
+ SW_FLOW_KEY_PUT(match, tun_key.u.ipv6.src,
nla_get_in6_addr(a), is_mask);
ipv6 = true;
break;
tun_flags |= TUNNEL_VXLAN_OPT;
opts_type = type;
break;
+ case OVS_TUNNEL_KEY_ATTR_PAD:
+ break;
default:
OVS_NLERR(log, "Unknown IP tunnel attribute %d",
type);
rxrpc_conn_retransmit_call(conn, skb);
return 0;
+ case RXRPC_PACKET_TYPE_BUSY:
+ /* Just ignore BUSY packets for now. */
+ return 0;
+
case RXRPC_PACKET_TYPE_ABORT:
if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header),
&wtmp, sizeof(wtmp)) < 0)
pr_debug("%s(skb %p,sch %p,[qdisc %p])\n", __func__, skb, sch, p);
if (p->set_tc_index) {
+ int wlen = skb_network_offset(skb);
+
switch (tc_skb_protocol(skb)) {
case htons(ETH_P_IP):
- if (skb_cow_head(skb, sizeof(struct iphdr)))
+ wlen += sizeof(struct iphdr);
+ if (!pskb_may_pull(skb, wlen) ||
+ skb_try_make_writable(skb, wlen))
goto drop;
skb->tc_index = ipv4_get_dsfield(ip_hdr(skb))
break;
case htons(ETH_P_IPV6):
- if (skb_cow_head(skb, sizeof(struct ipv6hdr)))
+ wlen += sizeof(struct ipv6hdr);
+ if (!pskb_may_pull(skb, wlen) ||
+ skb_try_make_writable(skb, wlen))
goto drop;
skb->tc_index = ipv6_get_dsfield(ipv6_hdr(skb))
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
- int i;
sctp_paramhdr_t *p;
- int err;
+ int i;
/* Retrieve the SCTP per socket area. */
sp = sctp_sk((struct sock *)sk);
/* AUTH related initializations */
INIT_LIST_HEAD(&asoc->endpoint_shared_keys);
- err = sctp_auth_asoc_copy_shkeys(ep, asoc, gfp);
- if (err)
+ if (sctp_auth_asoc_copy_shkeys(ep, asoc, gfp))
goto fail_init;
asoc->active_key_id = ep->active_key_id;
struct sctp_association *asoc = tp->asoc;
struct sctp_chunk *chunk, *tmp;
int pkt_count, gso = 0;
- int confirm;
struct dst_entry *dst;
struct sk_buff *head;
struct sctphdr *sh;
asoc->peer.last_sent_to = tp;
}
head->ignore_df = packet->ipfragok;
- confirm = tp->dst_pending_confirm;
- if (confirm)
+ if (tp->dst_pending_confirm)
skb_set_dst_pending_confirm(head, 1);
/* neighbour should be confirmed on successful transmission or
* positive error
*/
- if (tp->af_specific->sctp_xmit(head, tp) >= 0 && confirm)
+ if (tp->af_specific->sctp_xmit(head, tp) >= 0 &&
+ tp->dst_pending_confirm)
tp->dst_pending_confirm = 0;
out:
}
static int sctp_prsctp_prune_unsent(struct sctp_association *asoc,
- struct sctp_sndrcvinfo *sinfo,
- struct list_head *queue, int msg_len)
+ struct sctp_sndrcvinfo *sinfo, int msg_len)
{
+ struct sctp_outq *q = &asoc->outqueue;
struct sctp_chunk *chk, *temp;
- list_for_each_entry_safe(chk, temp, queue, list) {
+ list_for_each_entry_safe(chk, temp, &q->out_chunk_list, list) {
if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) ||
chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive)
continue;
list_del_init(&chk->list);
+ q->out_qlen -= chk->skb->len;
asoc->sent_cnt_removable--;
asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
return;
}
- sctp_prsctp_prune_unsent(asoc, sinfo,
- &asoc->outqueue.out_chunk_list,
- msg_len);
+ sctp_prsctp_prune_unsent(asoc, sinfo, msg_len);
}
/* Mark all the eligible packets on a transport for retransmission. */
}
EXPORT_SYMBOL(kernel_sendmsg);
+static bool skb_is_err_queue(const struct sk_buff *skb)
+{
+ /* pkt_type of skbs enqueued on the error queue are set to
+ * PACKET_OUTGOING in skb_set_err_queue(). This is only safe to do
+ * in recvmsg, since skbs received on a local socket will never
+ * have a pkt_type of PACKET_OUTGOING.
+ */
+ return skb->pkt_type == PACKET_OUTGOING;
+}
+
/*
* called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP)
*/
put_cmsg(msg, SOL_SOCKET,
SCM_TIMESTAMPING, sizeof(tss), &tss);
- if (skb->len && (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS))
+ if (skb_is_err_queue(skb) && skb->len &&
+ SKB_EXT_ERR(skb)->opt_stats)
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING_OPT_STATS,
skb->len, skb->data);
}
struct ib_cq *sendcq, *recvcq;
int rc;
- max_sge = min(ia->ri_device->attrs.max_sge, RPCRDMA_MAX_SEND_SGES);
+ max_sge = min_t(unsigned int, ia->ri_device->attrs.max_sge,
+ RPCRDMA_MAX_SEND_SGES);
if (max_sge < RPCRDMA_MIN_SEND_SGES) {
pr_warn("rpcrdma: HCA provides only %d send SGEs\n", max_sge);
return -ENOMEM;
static void tipc_subscrp_timeout(unsigned long data)
{
struct tipc_subscription *sub = (struct tipc_subscription *)data;
+ struct tipc_subscriber *subscriber = sub->subscriber;
+
+ spin_lock_bh(&subscriber->lock);
+ tipc_nametbl_unsubscribe(sub);
+ spin_unlock_bh(&subscriber->lock);
/* Notify subscriber of timeout */
tipc_subscrp_send_event(sub, sub->evt.s.seq.lower, sub->evt.s.seq.upper,
struct tipc_subscriber *subscriber = sub->subscriber;
spin_lock_bh(&subscriber->lock);
- tipc_nametbl_unsubscribe(sub);
list_del(&sub->subscrp_list);
atomic_dec(&tn->subscription_count);
spin_unlock_bh(&subscriber->lock);
if (s && memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr)))
continue;
+ tipc_nametbl_unsubscribe(sub);
tipc_subscrp_get(sub);
spin_unlock_bh(&subscriber->lock);
tipc_subscrp_delete(sub);
if (s) {
struct unix_sock *u = unix_sk(s);
+ BUG_ON(!atomic_long_read(&u->inflight));
BUG_ON(list_empty(&u->link));
if (atomic_long_dec_and_test(&u->inflight))
}
list_del(&cursor);
+ /* Now gc_candidates contains only garbage. Restore original
+ * inflight counters for these as well, and remove the skbuffs
+ * which are creating the cycle(s).
+ */
+ skb_queue_head_init(&hitlist);
+ list_for_each_entry(u, &gc_candidates, link)
+ scan_children(&u->sk, inc_inflight, &hitlist);
+
/* not_cycle_list contains those sockets which do not make up a
* cycle. Restore these to the inflight list.
*/
list_move_tail(&u->link, &gc_inflight_list);
}
- /* Now gc_candidates contains only garbage. Restore original
- * inflight counters for these as well, and remove the skbuffs
- * which are creating the cycle(s).
- */
- skb_queue_head_init(&hitlist);
- list_for_each_entry(u, &gc_candidates, link)
- scan_children(&u->sk, inc_inflight, &hitlist);
-
spin_unlock(&unix_gc_lock);
/* Here we are. Hitlist is filled. Die. */
.sendpage = sock_no_sendpage,
};
+static int vsock_transport_cancel_pkt(struct vsock_sock *vsk)
+{
+ if (!transport->cancel_pkt)
+ return -EOPNOTSUPP;
+
+ return transport->cancel_pkt(vsk);
+}
+
static void vsock_connect_timeout(struct work_struct *work)
{
struct sock *sk;
struct vsock_sock *vsk;
+ int cancel = 0;
vsk = container_of(work, struct vsock_sock, dwork.work);
sk = sk_vsock(vsk);
sk->sk_state = SS_UNCONNECTED;
sk->sk_err = ETIMEDOUT;
sk->sk_error_report(sk);
+ cancel = 1;
}
release_sock(sk);
+ if (cancel)
+ vsock_transport_cancel_pkt(vsk);
sock_put(sk);
}
err = sock_intr_errno(timeout);
sk->sk_state = SS_UNCONNECTED;
sock->state = SS_UNCONNECTED;
+ vsock_transport_cancel_pkt(vsk);
goto out_wait;
} else if (timeout == 0) {
err = -ETIMEDOUT;
sk->sk_state = SS_UNCONNECTED;
sock->state = SS_UNCONNECTED;
+ vsock_transport_cancel_pkt(vsk);
goto out_wait;
}
return len;
}
+static int
+virtio_transport_cancel_pkt(struct vsock_sock *vsk)
+{
+ struct virtio_vsock *vsock;
+ struct virtio_vsock_pkt *pkt, *n;
+ int cnt = 0;
+ LIST_HEAD(freeme);
+
+ vsock = virtio_vsock_get();
+ if (!vsock) {
+ return -ENODEV;
+ }
+
+ spin_lock_bh(&vsock->send_pkt_list_lock);
+ list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) {
+ if (pkt->vsk != vsk)
+ continue;
+ list_move(&pkt->list, &freeme);
+ }
+ spin_unlock_bh(&vsock->send_pkt_list_lock);
+
+ list_for_each_entry_safe(pkt, n, &freeme, list) {
+ if (pkt->reply)
+ cnt++;
+ list_del(&pkt->list);
+ virtio_transport_free_pkt(pkt);
+ }
+
+ if (cnt) {
+ struct virtqueue *rx_vq = vsock->vqs[VSOCK_VQ_RX];
+ int new_cnt;
+
+ new_cnt = atomic_sub_return(cnt, &vsock->queued_replies);
+ if (new_cnt + cnt >= virtqueue_get_vring_size(rx_vq) &&
+ new_cnt < virtqueue_get_vring_size(rx_vq))
+ queue_work(virtio_vsock_workqueue, &vsock->rx_work);
+ }
+
+ return 0;
+}
+
static void virtio_vsock_rx_fill(struct virtio_vsock *vsock)
{
int buf_len = VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE;
.release = virtio_transport_release,
.connect = virtio_transport_connect,
.shutdown = virtio_transport_shutdown,
+ .cancel_pkt = virtio_transport_cancel_pkt,
.dgram_bind = virtio_transport_dgram_bind,
.dgram_dequeue = virtio_transport_dgram_dequeue,
pkt->len = len;
pkt->hdr.len = cpu_to_le32(len);
pkt->reply = info->reply;
+ pkt->vsk = info->vsk;
if (info->msg && len > 0) {
pkt->buf = kmalloc(len, GFP_KERNEL);
struct virtio_vsock_pkt_info info = {
.op = VIRTIO_VSOCK_OP_CREDIT_UPDATE,
.type = type,
+ .vsk = vsk,
};
return virtio_transport_send_pkt_info(vsk, &info);
struct virtio_vsock_pkt_info info = {
.op = VIRTIO_VSOCK_OP_REQUEST,
.type = VIRTIO_VSOCK_TYPE_STREAM,
+ .vsk = vsk,
};
return virtio_transport_send_pkt_info(vsk, &info);
VIRTIO_VSOCK_SHUTDOWN_RCV : 0) |
(mode & SEND_SHUTDOWN ?
VIRTIO_VSOCK_SHUTDOWN_SEND : 0),
+ .vsk = vsk,
};
return virtio_transport_send_pkt_info(vsk, &info);
.type = VIRTIO_VSOCK_TYPE_STREAM,
.msg = msg,
.pkt_len = len,
+ .vsk = vsk,
};
return virtio_transport_send_pkt_info(vsk, &info);
.op = VIRTIO_VSOCK_OP_RST,
.type = VIRTIO_VSOCK_TYPE_STREAM,
.reply = !!pkt,
+ .vsk = vsk,
};
/* Send RST only if the original pkt is not a RST pkt */
.remote_cid = le64_to_cpu(pkt->hdr.src_cid),
.remote_port = le32_to_cpu(pkt->hdr.src_port),
.reply = true,
+ .vsk = vsk,
};
return virtio_transport_send_pkt_info(vsk, &info);
{
int err;
- rtnl_lock();
-
if (!cb->args[0]) {
err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
genl_family_attrbuf(&nl80211_fam),
nl80211_fam.maxattr, nl80211_policy);
if (err)
- goto out_unlock;
+ return err;
*wdev = __cfg80211_wdev_from_attrs(
sock_net(skb->sk),
genl_family_attrbuf(&nl80211_fam));
- if (IS_ERR(*wdev)) {
- err = PTR_ERR(*wdev);
- goto out_unlock;
- }
+ if (IS_ERR(*wdev))
+ return PTR_ERR(*wdev);
*rdev = wiphy_to_rdev((*wdev)->wiphy);
/* 0 is the first index - add 1 to parse only once */
cb->args[0] = (*rdev)->wiphy_idx + 1;
struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
struct wireless_dev *tmp;
- if (!wiphy) {
- err = -ENODEV;
- goto out_unlock;
- }
+ if (!wiphy)
+ return -ENODEV;
*rdev = wiphy_to_rdev(wiphy);
*wdev = NULL;
}
}
- if (!*wdev) {
- err = -ENODEV;
- goto out_unlock;
- }
+ if (!*wdev)
+ return -ENODEV;
}
return 0;
- out_unlock:
- rtnl_unlock();
- return err;
-}
-
-static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
-{
- rtnl_unlock();
}
/* IE validation */
int filter_wiphy = -1;
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
+ int ret;
rtnl_lock();
if (!cb->args[2]) {
struct nl80211_dump_wiphy_state state = {
.filter_wiphy = -1,
};
- int ret;
ret = nl80211_dump_wiphy_parse(skb, cb, &state);
if (ret)
- return ret;
+ goto out_unlock;
filter_wiphy = state.filter_wiphy;
wp_idx++;
}
out:
- rtnl_unlock();
-
cb->args[0] = wp_idx;
cb->args[1] = if_idx;
- return skb->len;
+ ret = skb->len;
+ out_unlock:
+ rtnl_unlock();
+
+ return ret;
}
static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
int sta_idx = cb->args[2];
int err;
+ rtnl_lock();
err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
if (err)
- return err;
+ goto out_err;
if (!wdev->netdev) {
err = -EINVAL;
cb->args[2] = sta_idx;
err = skb->len;
out_err:
- nl80211_finish_wdev_dump(rdev);
+ rtnl_unlock();
return err;
}
int path_idx = cb->args[2];
int err;
+ rtnl_lock();
err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
if (err)
- return err;
+ goto out_err;
if (!rdev->ops->dump_mpath) {
err = -EOPNOTSUPP;
cb->args[2] = path_idx;
err = skb->len;
out_err:
- nl80211_finish_wdev_dump(rdev);
+ rtnl_unlock();
return err;
}
int path_idx = cb->args[2];
int err;
+ rtnl_lock();
err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
if (err)
- return err;
+ goto out_err;
if (!rdev->ops->dump_mpp) {
err = -EOPNOTSUPP;
cb->args[2] = path_idx;
err = skb->len;
out_err:
- nl80211_finish_wdev_dump(rdev);
+ rtnl_unlock();
return err;
}
int start = cb->args[2], idx = 0;
int err;
+ rtnl_lock();
err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
- if (err)
+ if (err) {
+ rtnl_unlock();
return err;
+ }
wdev_lock(wdev);
spin_lock_bh(&rdev->bss_lock);
wdev_unlock(wdev);
cb->args[2] = idx;
- nl80211_finish_wdev_dump(rdev);
+ rtnl_unlock();
return skb->len;
}
int res;
bool radio_stats;
+ rtnl_lock();
res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
if (res)
- return res;
+ goto out_err;
/* prepare_wdev_dump parsed the attributes */
radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
cb->args[2] = survey_idx;
res = skb->len;
out_err:
- nl80211_finish_wdev_dump(rdev);
+ rtnl_unlock();
return res;
}
void *data = NULL;
unsigned int data_len = 0;
- rtnl_lock();
-
if (cb->args[0]) {
/* subtract the 1 again here */
struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
struct wireless_dev *tmp;
- if (!wiphy) {
- err = -ENODEV;
- goto out_unlock;
- }
+ if (!wiphy)
+ return -ENODEV;
*rdev = wiphy_to_rdev(wiphy);
*wdev = NULL;
err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
attrbuf, nl80211_fam.maxattr, nl80211_policy);
if (err)
- goto out_unlock;
+ return err;
if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
- !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
- err = -EINVAL;
- goto out_unlock;
- }
+ !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
+ return -EINVAL;
*wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
if (IS_ERR(*wdev))
*wdev = NULL;
*rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
- if (IS_ERR(*rdev)) {
- err = PTR_ERR(*rdev);
- goto out_unlock;
- }
+ if (IS_ERR(*rdev))
+ return PTR_ERR(*rdev);
vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
continue;
- if (!vcmd->dumpit) {
- err = -EOPNOTSUPP;
- goto out_unlock;
- }
+ if (!vcmd->dumpit)
+ return -EOPNOTSUPP;
vcmd_idx = i;
break;
}
- if (vcmd_idx < 0) {
- err = -EOPNOTSUPP;
- goto out_unlock;
- }
+ if (vcmd_idx < 0)
+ return -EOPNOTSUPP;
if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
/* keep rtnl locked in successful case */
return 0;
- out_unlock:
- rtnl_unlock();
- return err;
}
static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
int err;
struct nlattr *vendor_data;
+ rtnl_lock();
err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
if (err)
- return err;
+ goto out;
vcmd_idx = cb->args[2];
data = (void *)cb->args[3];
if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_NETDEV)) {
- if (!wdev)
- return -EINVAL;
+ if (!wdev) {
+ err = -EINVAL;
+ goto out;
+ }
if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
- !wdev->netdev)
- return -EINVAL;
+ !wdev->netdev) {
+ err = -EINVAL;
+ goto out;
+ }
if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
- if (!wdev_running(wdev))
- return -ENETDOWN;
+ if (!wdev_running(wdev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
}
}
info->output_pool != client->pool->size)) {
if (snd_seq_write_pool_allocated(client)) {
/* remove all existing cells */
+ snd_seq_pool_mark_closing(client->pool);
snd_seq_queue_client_leave_cells(client->number);
snd_seq_pool_done(client->pool);
}
return;
*fifo = NULL;
+ if (f->pool)
+ snd_seq_pool_mark_closing(f->pool);
+
snd_seq_fifo_clear(f);
/* wake up clients if any */
return 0;
}
+/* refuse the further insertion to the pool */
+void snd_seq_pool_mark_closing(struct snd_seq_pool *pool)
+{
+ unsigned long flags;
+
+ if (snd_BUG_ON(!pool))
+ return;
+ spin_lock_irqsave(&pool->lock, flags);
+ pool->closing = 1;
+ spin_unlock_irqrestore(&pool->lock, flags);
+}
+
/* remove events */
int snd_seq_pool_done(struct snd_seq_pool *pool)
{
return -EINVAL;
/* wait for closing all threads */
- spin_lock_irqsave(&pool->lock, flags);
- pool->closing = 1;
- spin_unlock_irqrestore(&pool->lock, flags);
-
if (waitqueue_active(&pool->output_sleep))
wake_up(&pool->output_sleep);
*ppool = NULL;
if (pool == NULL)
return 0;
+ snd_seq_pool_mark_closing(pool);
snd_seq_pool_done(pool);
kfree(pool);
return 0;
int snd_seq_pool_init(struct snd_seq_pool *pool);
/* done pool - free events */
+void snd_seq_pool_mark_closing(struct snd_seq_pool *pool);
int snd_seq_pool_done(struct snd_seq_pool *pool);
/* create pool */
return err;
/* Set DMA transfer mask */
- if (dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
+ if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
} else {
dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
CXT_FIXUP_HP_530,
CXT_FIXUP_CAP_MIX_AMP_5047,
CXT_FIXUP_MUTE_LED_EAPD,
+ CXT_FIXUP_HP_DOCK,
CXT_FIXUP_HP_SPECTRE,
CXT_FIXUP_HP_GATE_MIC,
};
.type = HDA_FIXUP_FUNC,
.v.func = cxt_fixup_mute_led_eapd,
},
+ [CXT_FIXUP_HP_DOCK] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x16, 0x21011020 }, /* line-out */
+ { 0x18, 0x2181103f }, /* line-in */
+ { }
+ }
+ },
[CXT_FIXUP_HP_SPECTRE] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC),
SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC),
+ SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK),
SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
{ .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" },
{ .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
{ .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" },
+ { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" },
{}
};
ALC286_FIXUP_HP_GPIO_LED,
ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY,
ALC280_FIXUP_HP_DOCK_PINS,
+ ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED,
ALC280_FIXUP_HP_9480M,
ALC288_FIXUP_DELL_HEADSET_MODE,
ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
.chained = true,
.chain_id = ALC280_FIXUP_HP_GPIO4
},
+ [ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x1b, 0x21011020 }, /* line-out */
+ { 0x18, 0x2181103f }, /* line-in */
+ { },
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HP_GPIO_MIC1_LED
+ },
[ALC280_FIXUP_HP_9480M] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc280_fixup_hp_9480m,
SND_PCI_QUIRK(0x103c, 0x2256, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
SND_PCI_QUIRK(0x103c, 0x2257, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
SND_PCI_QUIRK(0x103c, 0x2259, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
- SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
+ SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED),
SND_PCI_QUIRK(0x103c, 0x2260, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK(0x103c, 0x2263, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK(0x103c, 0x2264, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
{.id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, .name = "headset-mode-no-hp-mic"},
{.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"},
{.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"},
+ {.id = ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, .name = "hp-dock-gpio-mic1-led"},
{.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"},
{.id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, .name = "dell-headset-dock"},
{.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"},
ALC295_STANDARD_PINS,
{0x17, 0x21014040},
{0x18, 0x21a19050}),
+ SND_HDA_PIN_QUIRK(0x10ec0295, 0x1028, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE,
+ ALC295_STANDARD_PINS),
SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC298_STANDARD_PINS,
{0x17, 0x90170110}),
menuconfig SND_X86
- tristate "X86 sound devices"
+ bool "X86 sound devices"
depends on X86
+ default y
---help---
X86 sound devices that don't fall under SoC or PCI categories
/* Last entry */
if (curr->end == curr->start)
- curr->end = roundup(curr->start, 4096);
+ curr->end = roundup(curr->start, 4096) + 4096;
}
void __map_groups__fixup_end(struct map_groups *mg, enum map_type type)
LIBDIR := ../../../lib
-BPFOBJ := $(LIBDIR)/bpf/bpf.o
+BPFDIR := $(LIBDIR)/bpf
-CFLAGS += -Wall -O2 -lcap -I../../../include/uapi -I$(LIBDIR) $(BPFOBJ)
+CFLAGS += -Wall -O2 -I../../../include/uapi -I$(LIBDIR)
+LDLIBS += -lcap
TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map
TEST_PROGS := test_kmod.sh
-all: $(TEST_GEN_PROGS)
+include ../lib.mk
+
+BPFOBJ := $(OUTPUT)/bpf.o
+
+$(TEST_GEN_PROGS): $(BPFOBJ)
-.PHONY: all clean force
+.PHONY: force
# force a rebuild of BPFOBJ when its dependencies are updated
force:
$(BPFOBJ): force
- $(MAKE) -C $(dir $(BPFOBJ))
-
-$(test_objs): $(BPFOBJ)
-
-include ../lib.mk
+ $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == 0);
key = 2;
assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
- key = 1;
- assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+ key = 3;
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ errno == E2BIG);
/* Check that key = 0 doesn't exist. */
key = 0;
close(fd);
}
+static void test_hashmap_sizes(int task, void *data)
+{
+ int fd, i, j;
+
+ for (i = 1; i <= 512; i <<= 1)
+ for (j = 1; j <= 1 << 18; j <<= 1) {
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j,
+ 2, map_flags);
+ if (fd < 0) {
+ printf("Failed to create hashmap key=%d value=%d '%s'\n",
+ i, j, strerror(errno));
+ exit(1);
+ }
+ close(fd);
+ usleep(10); /* give kernel time to destroy */
+ }
+}
+
static void test_hashmap_percpu(int task, void *data)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
static void test_arraymap_percpu_many_keys(void)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
- unsigned int nr_keys = 20000;
+ /* nr_keys is not too large otherwise the test stresses percpu
+ * allocator more than anything else
+ */
+ unsigned int nr_keys = 2000;
long values[nr_cpus];
int key, fd, i;
{
run_parallel(100, test_hashmap, NULL);
run_parallel(100, test_hashmap_percpu, NULL);
+ run_parallel(100, test_hashmap_sizes, NULL);
run_parallel(100, test_arraymap, NULL);
run_parallel(100, test_arraymap_percpu, NULL);
projects / linux-2.6-block.git / commitdiff