route/max_size - INTEGER
Maximum number of routes allowed in the kernel. Increase
this when using large numbers of interfaces and/or routes.
+ From linux kernel 3.6 onwards, this is deprecated for ipv4
+ as route cache is no longer used.
neigh/default/gc_thresh1 - INTEGER
Minimum number of entries to keep. Garbage collector will not
buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
buf += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n"
buf += " .close_session = " + fabric_mod_name + "_close_session,\n"
- buf += " .stop_session = " + fabric_mod_name + "_stop_session,\n"
- buf += " .fall_back_to_erl0 = " + fabric_mod_name + "_reset_nexus,\n"
- buf += " .sess_logged_in = " + fabric_mod_name + "_sess_logged_in,\n"
buf += " .sess_get_index = " + fabric_mod_name + "_sess_get_index,\n"
buf += " .sess_get_initiator_sid = NULL,\n"
buf += " .write_pending = " + fabric_mod_name + "_write_pending,\n"
buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n"
buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n"
buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n"
- buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n"
+ buf += " .aborted_task = " + fabric_mod_name + "_aborted_task,\n"
buf += " /*\n"
buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
buf += " */\n"
buf += " /*\n"
buf += " * Register the top level struct config_item_type with TCM core\n"
buf += " */\n"
- buf += " fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
+ buf += " fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name + "\");\n"
buf += " if (IS_ERR(fabric)) {\n"
buf += " printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
buf += " return PTR_ERR(fabric);\n"
if re.search('get_fabric_name', fo):
buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
buf += "{\n"
- buf += " return \"" + fabric_mod_name[4:] + "\";\n"
+ buf += " return \"" + fabric_mod_name + "\";\n"
buf += "}\n\n"
bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
continue
buf += "}\n\n"
bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
- if re.search('stop_session\)\(', fo):
- buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n"
- buf += "{\n"
- buf += " return;\n"
- buf += "}\n\n"
- bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n"
-
- if re.search('fall_back_to_erl0\)\(', fo):
- buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n"
- buf += "{\n"
- buf += " return;\n"
- buf += "}\n\n"
- bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n"
-
- if re.search('sess_logged_in\)\(', fo):
- buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n"
- buf += "{\n"
- buf += " return 0;\n"
- buf += "}\n\n"
- bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n"
-
if re.search('sess_get_index\)\(', fo):
buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
buf += "{\n"
bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
if re.search('queue_tm_rsp\)\(', fo):
- buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
+ buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
buf += "{\n"
- buf += " return 0;\n"
+ buf += " return;\n"
buf += "}\n\n"
- bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
+ bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
- if re.search('is_state_remove\)\(', fo):
- buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
+ if re.search('aborted_task\)\(', fo):
+ buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
buf += "{\n"
- buf += " return 0;\n"
+ buf += " return;\n"
buf += "}\n\n"
- bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
-
+ bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
ret = p.write(buf)
if ret:
tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
- input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Makefile..? [yes,no]: ")
+ input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
if input == "yes" or input == "y":
tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
- input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ")
+ input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
if input == "yes" or input == "y":
tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
Written by Amit Daniel Kachhap <amit.kachhap@linaro.org>
-Updated: 12 May 2012
+Updated: 6 Jan 2015
Copyright (c) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
clip_cpus: cpumask of cpus where the frequency constraints will happen.
-1.1.2 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
+1.1.2 struct thermal_cooling_device *of_cpufreq_cooling_register(
+ struct device_node *np, const struct cpumask *clip_cpus)
+
+ This interface function registers the cpufreq cooling device with
+ the name "thermal-cpufreq-%x" linking it with a device tree node, in
+ order to bind it via the thermal DT code. This api can support multiple
+ instances of cpufreq cooling devices.
+
+ np: pointer to the cooling device device tree node
+ clip_cpus: cpumask of cpus where the frequency constraints will happen.
+
+1.1.3 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
This interface function unregisters the "thermal-cpufreq-%x" cooling device.
F: drivers/scsi/ipr.*
IBM Power Virtual Ethernet Device Driver
-M: Santiago Leon <santil@linux.vnet.ibm.com>
+M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/ibm/ibmveth.*
Q: http://patchwork.kernel.org/project/linux-rdma/list/
F: drivers/infiniband/ulp/iser/
+ISCSI EXTENSIONS FOR RDMA (ISER) TARGET
+M: Sagi Grimberg <sagig@mellanox.com>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
+L: linux-rdma@vger.kernel.org
+L: target-devel@vger.kernel.org
+S: Supported
+W: http://www.linux-iscsi.org
+F: drivers/infiniband/ulp/isert
+
ISDN SUBSYSTEM
M: Karsten Keil <isdn@linux-pingi.de>
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)
TI BANDGAP AND THERMAL DRIVER
M: Eduardo Valentin <edubezval@gmail.com>
L: linux-pm@vger.kernel.org
-S: Supported
+L: linux-omap@vger.kernel.org
+S: Maintained
F: drivers/thermal/ti-soc-thermal/
TI CLOCK DRIVER
pinctrl-0 = <&pinctrl_enet1>;
phy-supply = <®_enet_3v3>;
phy-mode = "rgmii";
+ phy-handle = <ðphy1>;
status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy1: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ ethphy2: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
};
&fec2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet2>;
phy-mode = "rgmii";
+ phy-handle = <ðphy2>;
status = "okay";
};
&fec0 {
phy-mode = "rmii";
+ phy-handle = <ðphy0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec0>;
status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ ethphy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
};
&fec1 {
phy-mode = "rmii";
+ phy-handle = <ðphy1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec1>;
status = "okay";
static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
{
vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;
+ if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features))
+ vcpu->arch.hcr_el2 &= ~HCR_RW;
}
static inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu)
* Instead, we invalidate Stage-2 for this IPA, and the
* whole of Stage-1. Weep...
*/
+ lsr x1, x1, #12
tlbi ipas2e1is, x1
/*
* We have to ensure completion of the invalidation at Stage-2,
if (!cpu_has_32bit_el1())
return -EINVAL;
cpu_reset = &default_regs_reset32;
- vcpu->arch.hcr_el2 &= ~HCR_RW;
} else {
cpu_reset = &default_regs_reset;
}
#include <uapi/asm/unistd.h>
-#define NR_syscalls 355
+#define NR_syscalls 356
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
#define __NR_getrandom 352
#define __NR_memfd_create 353
#define __NR_bpf 354
+#define __NR_execveat 355
#endif /* _UAPI_ASM_M68K_UNISTD_H_ */
.long sys_getrandom
.long sys_memfd_create
.long sys_bpf
+ .long sys_execveat /* 355 */
#define THREAD_SIZE (1 << THREAD_SHIFT)
#ifdef CONFIG_PPC64
-#define CURRENT_THREAD_INFO(dest, sp) clrrdi dest, sp, THREAD_SHIFT
+#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(clrrdi dest, sp, THREAD_SHIFT)
#else
-#define CURRENT_THREAD_INFO(dest, sp) rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT
+#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT)
#endif
#ifndef __ASSEMBLY__
#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
/* how to get the thread information struct from C */
-register unsigned long __current_r1 asm("r1");
static inline struct thread_info *current_thread_info(void)
{
- /* gcc4, at least, is smart enough to turn this into a single
- * rlwinm for ppc32 and clrrdi for ppc64 */
- return (struct thread_info *)(__current_r1 & ~(THREAD_SIZE-1));
+ unsigned long val;
+
+ asm (CURRENT_THREAD_INFO(%0,1) : "=r" (val));
+
+ return (struct thread_info *)val;
}
#endif /* __ASSEMBLY__ */
b 1f; \
END_FTR_SECTION(0, 1); \
ld r12,opal_tracepoint_refcount@toc(r2); \
- std r12,32(r1); \
cmpdi r12,0; \
bne- LABEL; \
1:
struct dbfs_d2fc_hdr {
u64 len; /* Length of d2fc buffer without header */
u16 version; /* Version of header */
- char tod_ext[16]; /* TOD clock for d2fc */
+ char tod_ext[STORE_CLOCK_EXT_SIZE]; /* TOD clock for d2fc */
u64 count; /* Number of VM guests in d2fc buffer */
char reserved[30];
} __attribute__ ((packed));
static inline notrace unsigned long arch_local_save_flags(void)
{
- return __arch_local_irq_stosm(0x00);
+ return __arch_local_irq_stnsm(0xff);
}
static inline notrace unsigned long arch_local_irq_save(void)
set_clock_comparator(S390_lowcore.clock_comparator);
}
-#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
+#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
+#define STORE_CLOCK_EXT_SIZE 16 /* stcke writes 16 bytes */
typedef unsigned long long cycles_t;
-static inline void get_tod_clock_ext(char clk[16])
+static inline void get_tod_clock_ext(char *clk)
{
- typedef struct { char _[sizeof(clk)]; } addrtype;
+ typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype;
asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc");
}
static inline unsigned long long get_tod_clock(void)
{
- unsigned char clk[16];
+ unsigned char clk[STORE_CLOCK_EXT_SIZE];
+
get_tod_clock_ext(clk);
return *((unsigned long long *)&clk[1]);
}
#define __NR_bpf 351
#define __NR_s390_pci_mmio_write 352
#define __NR_s390_pci_mmio_read 353
-#define NR_syscalls 354
+#define __NR_execveat 354
+#define NR_syscalls 355
/*
* There are some system calls that are not present on 64 bit, some
SYSCALL(sys_bpf,sys_bpf,compat_sys_bpf)
SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write)
SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read)
+SYSCALL(sys_execveat,sys_execveat,compat_sys_execveat)
return false;
}
+static int check_per_event(unsigned short cause, unsigned long control,
+ struct pt_regs *regs)
+{
+ if (!(regs->psw.mask & PSW_MASK_PER))
+ return 0;
+ /* user space single step */
+ if (control == 0)
+ return 1;
+ /* over indication for storage alteration */
+ if ((control & 0x20200000) && (cause & 0x2000))
+ return 1;
+ if (cause & 0x8000) {
+ /* all branches */
+ if ((control & 0x80800000) == 0x80000000)
+ return 1;
+ /* branch into selected range */
+ if (((control & 0x80800000) == 0x80800000) &&
+ regs->psw.addr >= current->thread.per_user.start &&
+ regs->psw.addr <= current->thread.per_user.end)
+ return 1;
+ }
+ return 0;
+}
+
int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
{
int fixup = probe_get_fixup_type(auprobe->insn);
if (regs->psw.addr - utask->xol_vaddr == ilen)
regs->psw.addr = utask->vaddr + ilen;
}
- /* If per tracing was active generate trap */
- if (regs->psw.mask & PSW_MASK_PER)
- do_per_trap(regs);
+ if (check_per_event(current->thread.per_event.cause,
+ current->thread.per_user.control, regs)) {
+ /* fix per address */
+ current->thread.per_event.address = utask->vaddr;
+ /* trigger per event */
+ set_pt_regs_flag(regs, PIF_PER_TRAP);
+ }
return 0;
}
clear_thread_flag(TIF_UPROBE_SINGLESTEP);
regs->int_code = auprobe->saved_int_code;
regs->psw.addr = current->utask->vaddr;
+ current->thread.per_event.address = current->utask->vaddr;
}
unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline,
__rc; \
})
-#define emu_store_ril(ptr, input) \
+#define emu_store_ril(regs, ptr, input) \
({ \
unsigned int mask = sizeof(*(ptr)) - 1; \
+ __typeof__(ptr) __ptr = (ptr); \
int __rc = 0; \
\
if (!test_facility(34)) \
__rc = EMU_ILLEGAL_OP; \
- else if ((u64 __force)ptr & mask) \
+ else if ((u64 __force)__ptr & mask) \
__rc = EMU_SPECIFICATION; \
- else if (put_user(*(input), ptr)) \
+ else if (put_user(*(input), __ptr)) \
__rc = EMU_ADDRESSING; \
+ if (__rc == 0) \
+ sim_stor_event(regs, __ptr, mask + 1); \
__rc; \
})
s16 s16[4];
};
+/*
+ * If user per registers are setup to trace storage alterations and an
+ * emulated store took place on a fitting address a user trap is generated.
+ */
+static void sim_stor_event(struct pt_regs *regs, void *addr, int len)
+{
+ if (!(regs->psw.mask & PSW_MASK_PER))
+ return;
+ if (!(current->thread.per_user.control & PER_EVENT_STORE))
+ return;
+ if ((void *)current->thread.per_user.start > (addr + len))
+ return;
+ if ((void *)current->thread.per_user.end < addr)
+ return;
+ current->thread.per_event.address = regs->psw.addr;
+ current->thread.per_event.cause = PER_EVENT_STORE >> 16;
+ set_pt_regs_flag(regs, PIF_PER_TRAP);
+}
+
/*
* pc relative instructions are emulated, since parameters may not be
* accessible from the xol area due to range limitations.
rc = emu_load_ril((u32 __user *)uptr, &rx->u64);
break;
case 0x07: /* sthrl */
- rc = emu_store_ril((u16 __user *)uptr, &rx->u16[3]);
+ rc = emu_store_ril(regs, (u16 __user *)uptr, &rx->u16[3]);
break;
case 0x0b: /* stgrl */
- rc = emu_store_ril((u64 __user *)uptr, &rx->u64);
+ rc = emu_store_ril(regs, (u64 __user *)uptr, &rx->u64);
break;
case 0x0f: /* strl */
- rc = emu_store_ril((u32 __user *)uptr, &rx->u32[1]);
+ rc = emu_store_ril(regs, (u32 __user *)uptr, &rx->u32[1]);
break;
}
break;
struct thread_info *ti = task_thread_info(tsk);
u64 timer, system;
- WARN_ON_ONCE(!irqs_disabled());
-
timer = S390_lowcore.last_update_timer;
S390_lowcore.last_update_timer = get_vtimer();
S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer;
static unsigned long __gmap_segment_gaddr(unsigned long *entry)
{
struct page *page;
- unsigned long offset;
+ unsigned long offset, mask;
offset = (unsigned long) entry / sizeof(unsigned long);
offset = (offset & (PTRS_PER_PMD - 1)) * PMD_SIZE;
- page = pmd_to_page((pmd_t *) entry);
+ mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1);
+ page = virt_to_page((void *)((unsigned long) entry & mask));
return page->index + offset;
}
EMIT4_DISP(0x88500000, K);
break;
case BPF_ALU | BPF_NEG: /* A = -A */
- /* lnr %r5,%r5 */
- EMIT2(0x1155);
+ /* lcr %r5,%r5 */
+ EMIT2(0x1355);
break;
case BPF_JMP | BPF_JA: /* ip += K */
offset = addrs[i + K] + jit->start - jit->prg;
xbranch: /* Emit compare if the branch targets are different */
if (filter->jt != filter->jf) {
jit->seen |= SEEN_XREG;
- /* cr %r5,%r12 */
- EMIT2(0x195c);
+ /* clr %r5,%r12 */
+ EMIT2(0x155c);
}
goto branch;
case BPF_JMP | BPF_JSET | BPF_X: /* ip += (A & X) ? jt : jf */
regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
+
+ /*
+ * jprobes use jprobe_return() which skips the normal return
+ * path of the function, and this messes up the accounting of the
+ * function graph tracer to get messed up.
+ *
+ * Pause function graph tracing while performing the jprobe function.
+ */
+ pause_graph_tracing();
return 1;
}
NOKPROBE_SYMBOL(setjmp_pre_handler);
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
u8 *addr = (u8 *) (regs->ip - 1);
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ void *saved_sp = kcb->jprobe_saved_sp;
if ((addr > (u8 *) jprobe_return) &&
(addr < (u8 *) jprobe_return_end)) {
- if (stack_addr(regs) != kcb->jprobe_saved_sp) {
+ if (stack_addr(regs) != saved_sp) {
struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
printk(KERN_ERR
"current sp %p does not match saved sp %p\n",
- stack_addr(regs), kcb->jprobe_saved_sp);
+ stack_addr(regs), saved_sp);
printk(KERN_ERR "Saved registers for jprobe %p\n", jp);
show_regs(saved_regs);
printk(KERN_ERR "Current registers\n");
show_regs(regs);
BUG();
}
+ /* It's OK to start function graph tracing again */
+ unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp),
- kcb->jprobes_stack,
- MIN_STACK_SIZE(kcb->jprobe_saved_sp));
+ memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));
preempt_enable_no_resched();
return 1;
}
#include <xen/interface/physdev.h>
#include <xen/interface/vcpu.h>
#include <xen/interface/memory.h>
+#include <xen/interface/nmi.h>
#include <xen/interface/xen-mca.h>
#include <xen/features.h>
#include <xen/page.h>
#include <asm/reboot.h>
#include <asm/stackprotector.h>
#include <asm/hypervisor.h>
+#include <asm/mach_traps.h>
#include <asm/mwait.h>
#include <asm/pci_x86.h>
#include <asm/pat.h>
.emergency_restart = xen_emergency_restart,
};
+static unsigned char xen_get_nmi_reason(void)
+{
+ unsigned char reason = 0;
+
+ /* Construct a value which looks like it came from port 0x61. */
+ if (test_bit(_XEN_NMIREASON_io_error,
+ &HYPERVISOR_shared_info->arch.nmi_reason))
+ reason |= NMI_REASON_IOCHK;
+ if (test_bit(_XEN_NMIREASON_pci_serr,
+ &HYPERVISOR_shared_info->arch.nmi_reason))
+ reason |= NMI_REASON_SERR;
+
+ return reason;
+}
+
static void __init xen_boot_params_init_edd(void)
{
#if IS_ENABLED(CONFIG_EDD)
pv_info = xen_info;
pv_init_ops = xen_init_ops;
pv_apic_ops = xen_apic_ops;
- if (!xen_pvh_domain())
+ if (!xen_pvh_domain()) {
pv_cpu_ops = xen_cpu_ops;
+ x86_platform.get_nmi_reason = xen_get_nmi_reason;
+ }
+
if (xen_feature(XENFEAT_auto_translated_physmap))
x86_init.resources.memory_setup = xen_auto_xlated_memory_setup;
else
return (void *)__get_free_page(GFP_KERNEL | __GFP_REPEAT);
}
-/* Only to be called in case of a race for a page just allocated! */
-static void free_p2m_page(void *p)
+static void __ref free_p2m_page(void *p)
{
- BUG_ON(!slab_is_available());
+ if (unlikely(!slab_is_available())) {
+ free_bootmem((unsigned long)p, PAGE_SIZE);
+ return;
+ }
+
free_page((unsigned long)p);
}
p2m_missing_pte : p2m_identity_pte;
for (i = 0; i < PMDS_PER_MID_PAGE; i++) {
pmdp = populate_extra_pmd(
- (unsigned long)(p2m + pfn + i * PTRS_PER_PTE));
+ (unsigned long)(p2m + pfn) + i * PMD_SIZE);
set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE));
}
}
* a new pmd is to replace p2m_missing_pte or p2m_identity_pte by a individual
* pmd. In case of PAE/x86-32 there are multiple pmds to allocate!
*/
-static pte_t *alloc_p2m_pmd(unsigned long addr, pte_t *ptep, pte_t *pte_pg)
+static pte_t *alloc_p2m_pmd(unsigned long addr, pte_t *pte_pg)
{
pte_t *ptechk;
- pte_t *pteret = ptep;
pte_t *pte_newpg[PMDS_PER_MID_PAGE];
pmd_t *pmdp;
unsigned int level;
if (ptechk == pte_pg) {
set_pmd(pmdp,
__pmd(__pa(pte_newpg[i]) | _KERNPG_TABLE));
- if (vaddr == (addr & ~(PMD_SIZE - 1)))
- pteret = pte_offset_kernel(pmdp, addr);
pte_newpg[i] = NULL;
}
vaddr += PMD_SIZE;
}
- return pteret;
+ return lookup_address(addr, &level);
}
/*
if (pte_pg == p2m_missing_pte || pte_pg == p2m_identity_pte) {
/* PMD level is missing, allocate a new one */
- ptep = alloc_p2m_pmd(addr, ptep, pte_pg);
+ ptep = alloc_p2m_pmd(addr, pte_pg);
if (!ptep)
return false;
}
unsigned long __ref xen_chk_extra_mem(unsigned long pfn)
{
int i;
- unsigned long addr = PFN_PHYS(pfn);
+ phys_addr_t addr = PFN_PHYS(pfn);
for (i = 0; i < XEN_EXTRA_MEM_MAX_REGIONS; i++) {
if (addr >= xen_extra_mem[i].start &&
int i;
for (i = 0; i < XEN_EXTRA_MEM_MAX_REGIONS; i++) {
+ if (!xen_extra_mem[i].size)
+ continue;
pfn_s = PFN_DOWN(xen_extra_mem[i].start);
pfn_e = PFN_UP(xen_extra_mem[i].start + xen_extra_mem[i].size);
for (pfn = pfn_s; pfn < pfn_e; pfn++)
* as a fallback if the remapping fails.
*/
static void __init xen_set_identity_and_release_chunk(unsigned long start_pfn,
- unsigned long end_pfn, unsigned long nr_pages, unsigned long *identity,
- unsigned long *released)
+ unsigned long end_pfn, unsigned long nr_pages, unsigned long *released)
{
- unsigned long len = 0;
unsigned long pfn, end;
int ret;
WARN_ON(start_pfn > end_pfn);
+ /* Release pages first. */
end = min(end_pfn, nr_pages);
for (pfn = start_pfn; pfn < end; pfn++) {
unsigned long mfn = pfn_to_mfn(pfn);
WARN(ret != 1, "Failed to release pfn %lx err=%d\n", pfn, ret);
if (ret == 1) {
+ (*released)++;
if (!__set_phys_to_machine(pfn, INVALID_P2M_ENTRY))
break;
- len++;
} else
break;
}
- /* Need to release pages first */
- *released += len;
- *identity += set_phys_range_identity(start_pfn, end_pfn);
+ set_phys_range_identity(start_pfn, end_pfn);
}
/*
}
/* Update kernel mapping, but not for highmem. */
- if ((pfn << PAGE_SHIFT) >= __pa(high_memory))
+ if (pfn >= PFN_UP(__pa(high_memory - 1)))
return;
if (HYPERVISOR_update_va_mapping((unsigned long)__va(pfn << PAGE_SHIFT),
unsigned long ident_pfn_iter, remap_pfn_iter;
unsigned long ident_end_pfn = start_pfn + size;
unsigned long left = size;
- unsigned long ident_cnt = 0;
unsigned int i, chunk;
WARN_ON(size == 0);
xen_remap_mfn = mfn;
/* Set identity map */
- ident_cnt += set_phys_range_identity(ident_pfn_iter,
- ident_pfn_iter + chunk);
+ set_phys_range_identity(ident_pfn_iter, ident_pfn_iter + chunk);
left -= chunk;
}
static unsigned long __init xen_set_identity_and_remap_chunk(
const struct e820entry *list, size_t map_size, unsigned long start_pfn,
unsigned long end_pfn, unsigned long nr_pages, unsigned long remap_pfn,
- unsigned long *identity, unsigned long *released)
+ unsigned long *released, unsigned long *remapped)
{
unsigned long pfn;
unsigned long i = 0;
/* Do not remap pages beyond the current allocation */
if (cur_pfn >= nr_pages) {
/* Identity map remaining pages */
- *identity += set_phys_range_identity(cur_pfn,
- cur_pfn + size);
+ set_phys_range_identity(cur_pfn, cur_pfn + size);
break;
}
if (cur_pfn + size > nr_pages)
if (!remap_range_size) {
pr_warning("Unable to find available pfn range, not remapping identity pages\n");
xen_set_identity_and_release_chunk(cur_pfn,
- cur_pfn + left, nr_pages, identity, released);
+ cur_pfn + left, nr_pages, released);
break;
}
/* Adjust size to fit in current e820 RAM region */
/* Update variables to reflect new mappings. */
i += size;
remap_pfn += size;
- *identity += size;
+ *remapped += size;
}
/*
static void __init xen_set_identity_and_remap(
const struct e820entry *list, size_t map_size, unsigned long nr_pages,
- unsigned long *released)
+ unsigned long *released, unsigned long *remapped)
{
phys_addr_t start = 0;
- unsigned long identity = 0;
unsigned long last_pfn = nr_pages;
const struct e820entry *entry;
unsigned long num_released = 0;
+ unsigned long num_remapped = 0;
int i;
/*
last_pfn = xen_set_identity_and_remap_chunk(
list, map_size, start_pfn,
end_pfn, nr_pages, last_pfn,
- &identity, &num_released);
+ &num_released, &num_remapped);
start = end;
}
}
*released = num_released;
+ *remapped = num_remapped;
- pr_info("Set %ld page(s) to 1-1 mapping\n", identity);
pr_info("Released %ld page(s)\n", num_released);
}
struct xen_memory_map memmap;
unsigned long max_pages;
unsigned long extra_pages = 0;
+ unsigned long remapped_pages;
int i;
int op;
* underlying RAM.
*/
xen_set_identity_and_remap(map, memmap.nr_entries, max_pfn,
- &xen_released_pages);
+ &xen_released_pages, &remapped_pages);
extra_pages += xen_released_pages;
+ extra_pages += remapped_pages;
/*
* Clamp the amount of extra memory to a EXTRA_MEM_RATIO
struct xen_clock_event_device {
struct clock_event_device evt;
- char *name;
+ char name[16];
};
static DEFINE_PER_CPU(struct xen_clock_event_device, xen_clock_events) = { .evt.irq = -1 };
if (evt->irq >= 0) {
unbind_from_irqhandler(evt->irq, NULL);
evt->irq = -1;
- kfree(per_cpu(xen_clock_events, cpu).name);
- per_cpu(xen_clock_events, cpu).name = NULL;
}
}
void xen_setup_timer(int cpu)
{
- char *name;
- struct clock_event_device *evt;
+ struct xen_clock_event_device *xevt = &per_cpu(xen_clock_events, cpu);
+ struct clock_event_device *evt = &xevt->evt;
int irq;
- evt = &per_cpu(xen_clock_events, cpu).evt;
WARN(evt->irq >= 0, "IRQ%d for CPU%d is already allocated\n", evt->irq, cpu);
if (evt->irq >= 0)
xen_teardown_timer(cpu);
printk(KERN_INFO "installing Xen timer for CPU %d\n", cpu);
- name = kasprintf(GFP_KERNEL, "timer%d", cpu);
- if (!name)
- name = "<timer kasprintf failed>";
+ snprintf(xevt->name, sizeof(xevt->name), "timer%d", cpu);
irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, xen_timer_interrupt,
IRQF_PERCPU|IRQF_NOBALANCING|IRQF_TIMER|
IRQF_FORCE_RESUME|IRQF_EARLY_RESUME,
- name, NULL);
+ xevt->name, NULL);
(void)xen_set_irq_priority(irq, XEN_IRQ_PRIORITY_MAX);
memcpy(evt, xen_clockevent, sizeof(*evt));
evt->cpumask = cpumask_of(cpu);
evt->irq = irq;
- per_cpu(xen_clock_events, cpu).name = name;
}
void xen_setup_cpu_clockevents(void)
{
- BUG_ON(preemptible());
-
clockevents_register_device(this_cpu_ptr(&xen_clock_events.evt));
}
}
EXPORT_SYMBOL_GPL(blk_queue_bypass_end);
+void blk_set_queue_dying(struct request_queue *q)
+{
+ queue_flag_set_unlocked(QUEUE_FLAG_DYING, q);
+
+ if (q->mq_ops)
+ blk_mq_wake_waiters(q);
+ else {
+ struct request_list *rl;
+
+ blk_queue_for_each_rl(rl, q) {
+ if (rl->rq_pool) {
+ wake_up(&rl->wait[BLK_RW_SYNC]);
+ wake_up(&rl->wait[BLK_RW_ASYNC]);
+ }
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(blk_set_queue_dying);
+
/**
* blk_cleanup_queue - shutdown a request queue
* @q: request queue to shutdown
/* mark @q DYING, no new request or merges will be allowed afterwards */
mutex_lock(&q->sysfs_lock);
- queue_flag_set_unlocked(QUEUE_FLAG_DYING, q);
+ blk_set_queue_dying(q);
spin_lock_irq(lock);
/*
}
/*
- * Wakeup all potentially sleeping on normal (non-reserved) tags
+ * Wakeup all potentially sleeping on tags
*/
-static void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags)
+void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool include_reserve)
{
struct blk_mq_bitmap_tags *bt;
int i, wake_index;
wake_index = bt_index_inc(wake_index);
}
+
+ if (include_reserve) {
+ bt = &tags->breserved_tags;
+ if (waitqueue_active(&bt->bs[0].wait))
+ wake_up(&bt->bs[0].wait);
+ }
}
/*
atomic_dec(&tags->active_queues);
- blk_mq_tag_wakeup_all(tags);
+ blk_mq_tag_wakeup_all(tags, false);
}
/*
* static and should never need resizing.
*/
bt_update_count(&tags->bitmap_tags, tdepth);
- blk_mq_tag_wakeup_all(tags);
+ blk_mq_tag_wakeup_all(tags, false);
return 0;
}
extern ssize_t blk_mq_tag_sysfs_show(struct blk_mq_tags *tags, char *page);
extern void blk_mq_tag_init_last_tag(struct blk_mq_tags *tags, unsigned int *last_tag);
extern int blk_mq_tag_update_depth(struct blk_mq_tags *tags, unsigned int depth);
+extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
enum {
BLK_MQ_TAG_CACHE_MIN = 1,
wake_up_all(&q->mq_freeze_wq);
}
-static void blk_mq_freeze_queue_start(struct request_queue *q)
+void blk_mq_freeze_queue_start(struct request_queue *q)
{
bool freeze;
blk_mq_run_queues(q, false);
}
}
+EXPORT_SYMBOL_GPL(blk_mq_freeze_queue_start);
static void blk_mq_freeze_queue_wait(struct request_queue *q)
{
blk_mq_freeze_queue_wait(q);
}
-static void blk_mq_unfreeze_queue(struct request_queue *q)
+void blk_mq_unfreeze_queue(struct request_queue *q)
{
bool wake;
wake_up_all(&q->mq_freeze_wq);
}
}
+EXPORT_SYMBOL_GPL(blk_mq_unfreeze_queue);
+
+void blk_mq_wake_waiters(struct request_queue *q)
+{
+ struct blk_mq_hw_ctx *hctx;
+ unsigned int i;
+
+ queue_for_each_hw_ctx(q, hctx, i)
+ if (blk_mq_hw_queue_mapped(hctx))
+ blk_mq_tag_wakeup_all(hctx->tags, true);
+
+ /*
+ * If we are called because the queue has now been marked as
+ * dying, we need to ensure that processes currently waiting on
+ * the queue are notified as well.
+ */
+ wake_up_all(&q->mq_freeze_wq);
+}
bool blk_mq_can_queue(struct blk_mq_hw_ctx *hctx)
{
ctx = alloc_data.ctx;
}
blk_mq_put_ctx(ctx);
- if (!rq)
+ if (!rq) {
+ blk_mq_queue_exit(q);
return ERR_PTR(-EWOULDBLOCK);
+ }
return rq;
}
EXPORT_SYMBOL(blk_mq_alloc_request);
}
EXPORT_SYMBOL(blk_mq_complete_request);
+int blk_mq_request_started(struct request *rq)
+{
+ return test_bit(REQ_ATOM_STARTED, &rq->atomic_flags);
+}
+EXPORT_SYMBOL_GPL(blk_mq_request_started);
+
void blk_mq_start_request(struct request *rq)
{
struct request_queue *q = rq->q;
}
EXPORT_SYMBOL(blk_mq_add_to_requeue_list);
+void blk_mq_cancel_requeue_work(struct request_queue *q)
+{
+ cancel_work_sync(&q->requeue_work);
+}
+EXPORT_SYMBOL_GPL(blk_mq_cancel_requeue_work);
+
void blk_mq_kick_requeue_list(struct request_queue *q)
{
kblockd_schedule_work(&q->requeue_work);
}
EXPORT_SYMBOL(blk_mq_kick_requeue_list);
+void blk_mq_abort_requeue_list(struct request_queue *q)
+{
+ unsigned long flags;
+ LIST_HEAD(rq_list);
+
+ spin_lock_irqsave(&q->requeue_lock, flags);
+ list_splice_init(&q->requeue_list, &rq_list);
+ spin_unlock_irqrestore(&q->requeue_lock, flags);
+
+ while (!list_empty(&rq_list)) {
+ struct request *rq;
+
+ rq = list_first_entry(&rq_list, struct request, queuelist);
+ list_del_init(&rq->queuelist);
+ rq->errors = -EIO;
+ blk_mq_end_request(rq, rq->errors);
+ }
+}
+EXPORT_SYMBOL(blk_mq_abort_requeue_list);
+
static inline bool is_flush_request(struct request *rq,
struct blk_flush_queue *fq, unsigned int tag)
{
break;
}
}
-
+
static void blk_mq_check_expired(struct blk_mq_hw_ctx *hctx,
struct request *rq, void *priv, bool reserved)
{
struct blk_mq_timeout_data *data = priv;
- if (!test_bit(REQ_ATOM_STARTED, &rq->atomic_flags))
+ if (!test_bit(REQ_ATOM_STARTED, &rq->atomic_flags)) {
+ /*
+ * If a request wasn't started before the queue was
+ * marked dying, kill it here or it'll go unnoticed.
+ */
+ if (unlikely(blk_queue_dying(rq->q))) {
+ rq->errors = -EIO;
+ blk_mq_complete_request(rq);
+ }
+ return;
+ }
+ if (rq->cmd_flags & REQ_NO_TIMEOUT)
return;
if (time_after_eq(jiffies, rq->deadline)) {
hctx->queue = q;
hctx->queue_num = hctx_idx;
hctx->flags = set->flags;
- hctx->cmd_size = set->cmd_size;
blk_mq_init_cpu_notifier(&hctx->cpu_notifier,
blk_mq_hctx_notify, hctx);
void blk_mq_clone_flush_request(struct request *flush_rq,
struct request *orig_rq);
int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
+void blk_mq_wake_waiters(struct request_queue *q);
/*
* CPU hotplug helpers
struct request_queue *q = req->q;
unsigned long expiry;
+ if (req->cmd_flags & REQ_NO_TIMEOUT)
+ return;
+
/* blk-mq has its own handler, so we don't need ->rq_timed_out_fn */
if (!q->mq_ops && !q->rq_timed_out_fn)
return;
#include "internal.h"
-#define DO_ENUMERATION 0x01
+#define INT3401_DEVICE 0X01
static const struct acpi_device_id int340x_thermal_device_ids[] = {
- {"INT3400", DO_ENUMERATION },
- {"INT3401"},
+ {"INT3400"},
+ {"INT3401", INT3401_DEVICE},
{"INT3402"},
{"INT3403"},
{"INT3404"},
const struct acpi_device_id *id)
{
#if defined(CONFIG_INT340X_THERMAL) || defined(CONFIG_INT340X_THERMAL_MODULE)
- if (id->driver_data == DO_ENUMERATION)
+ acpi_create_platform_device(adev);
+#elif defined(INTEL_SOC_DTS_THERMAL) || defined(INTEL_SOC_DTS_THERMAL_MODULE)
+ /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
+ if (id->driver_data == INT3401_DEVICE)
acpi_create_platform_device(adev);
#endif
return 1;
goto out_cleanup_queues;
nullb->q = blk_mq_init_queue(&nullb->tag_set);
- if (!nullb->q) {
+ if (IS_ERR(nullb->q)) {
rv = -ENOMEM;
goto out_cleanup_tags;
}
cmd->fn = handler;
cmd->ctx = ctx;
cmd->aborted = 0;
+ blk_mq_start_request(blk_mq_rq_from_pdu(cmd));
}
/* Special values must be less than 0x1000 */
if (unlikely(status)) {
if (!(status & NVME_SC_DNR || blk_noretry_request(req))
&& (jiffies - req->start_time) < req->timeout) {
+ unsigned long flags;
+
blk_mq_requeue_request(req);
- blk_mq_kick_requeue_list(req->q);
+ spin_lock_irqsave(req->q->queue_lock, flags);
+ if (!blk_queue_stopped(req->q))
+ blk_mq_kick_requeue_list(req->q);
+ spin_unlock_irqrestore(req->q->queue_lock, flags);
return;
}
req->errors = nvme_error_status(status);
}
}
- blk_mq_start_request(req);
-
nvme_set_info(cmd, iod, req_completion);
spin_lock_irq(&nvmeq->q_lock);
if (req->cmd_flags & REQ_DISCARD)
if (IS_ERR(req))
return PTR_ERR(req);
+ req->cmd_flags |= REQ_NO_TIMEOUT;
cmd_info = blk_mq_rq_to_pdu(req);
nvme_set_info(cmd_info, req, async_req_completion);
struct nvme_command cmd;
if (!nvmeq->qid || cmd_rq->aborted) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev_list_lock, flags);
if (work_busy(&dev->reset_work))
- return;
+ goto out;
list_del_init(&dev->node);
dev_warn(&dev->pci_dev->dev,
"I/O %d QID %d timeout, reset controller\n",
req->tag, nvmeq->qid);
dev->reset_workfn = nvme_reset_failed_dev;
queue_work(nvme_workq, &dev->reset_work);
+ out:
+ spin_unlock_irqrestore(&dev_list_lock, flags);
return;
}
void *ctx;
nvme_completion_fn fn;
struct nvme_cmd_info *cmd;
- static struct nvme_completion cqe = {
- .status = cpu_to_le16(NVME_SC_ABORT_REQ << 1),
- };
+ struct nvme_completion cqe;
+
+ if (!blk_mq_request_started(req))
+ return;
cmd = blk_mq_rq_to_pdu(req);
if (cmd->ctx == CMD_CTX_CANCELLED)
return;
+ if (blk_queue_dying(req->q))
+ cqe.status = cpu_to_le16((NVME_SC_ABORT_REQ | NVME_SC_DNR) << 1);
+ else
+ cqe.status = cpu_to_le16(NVME_SC_ABORT_REQ << 1);
+
+
dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d QID %d\n",
req->tag, nvmeq->qid);
ctx = cancel_cmd_info(cmd, &fn);
struct nvme_cmd_info *cmd = blk_mq_rq_to_pdu(req);
struct nvme_queue *nvmeq = cmd->nvmeq;
- dev_warn(nvmeq->q_dmadev, "Timeout I/O %d QID %d\n", req->tag,
- nvmeq->qid);
- if (nvmeq->dev->initialized)
- nvme_abort_req(req);
-
/*
* The aborted req will be completed on receiving the abort req.
* We enable the timer again. If hit twice, it'll cause a device reset,
* as the device then is in a faulty state.
*/
- return BLK_EH_RESET_TIMER;
+ int ret = BLK_EH_RESET_TIMER;
+
+ dev_warn(nvmeq->q_dmadev, "Timeout I/O %d QID %d\n", req->tag,
+ nvmeq->qid);
+
+ spin_lock_irq(&nvmeq->q_lock);
+ if (!nvmeq->dev->initialized) {
+ /*
+ * Force cancelled command frees the request, which requires we
+ * return BLK_EH_NOT_HANDLED.
+ */
+ nvme_cancel_queue_ios(nvmeq->hctx, req, nvmeq, reserved);
+ ret = BLK_EH_NOT_HANDLED;
+ } else
+ nvme_abort_req(req);
+ spin_unlock_irq(&nvmeq->q_lock);
+
+ return ret;
}
static void nvme_free_queue(struct nvme_queue *nvmeq)
*/
static int nvme_suspend_queue(struct nvme_queue *nvmeq)
{
- int vector = nvmeq->dev->entry[nvmeq->cq_vector].vector;
+ int vector;
spin_lock_irq(&nvmeq->q_lock);
+ if (nvmeq->cq_vector == -1) {
+ spin_unlock_irq(&nvmeq->q_lock);
+ return 1;
+ }
+ vector = nvmeq->dev->entry[nvmeq->cq_vector].vector;
nvmeq->dev->online_queues--;
+ nvmeq->cq_vector = -1;
spin_unlock_irq(&nvmeq->q_lock);
irq_set_affinity_hint(vector, NULL);
adapter_delete_sq(dev, qid);
adapter_delete_cq(dev, qid);
}
+ if (!qid && dev->admin_q)
+ blk_mq_freeze_queue_start(dev->admin_q);
nvme_clear_queue(nvmeq);
}
static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
- int depth, int vector)
+ int depth)
{
struct device *dmadev = &dev->pci_dev->dev;
struct nvme_queue *nvmeq = kzalloc(sizeof(*nvmeq), GFP_KERNEL);
nvmeq->cq_phase = 1;
nvmeq->q_db = &dev->dbs[qid * 2 * dev->db_stride];
nvmeq->q_depth = depth;
- nvmeq->cq_vector = vector;
nvmeq->qid = qid;
dev->queue_count++;
dev->queues[qid] = nvmeq;
struct nvme_dev *dev = nvmeq->dev;
int result;
+ nvmeq->cq_vector = qid - 1;
result = adapter_alloc_cq(dev, qid, nvmeq);
if (result < 0)
return result;
.timeout = nvme_timeout,
};
+static void nvme_dev_remove_admin(struct nvme_dev *dev)
+{
+ if (dev->admin_q && !blk_queue_dying(dev->admin_q)) {
+ blk_cleanup_queue(dev->admin_q);
+ blk_mq_free_tag_set(&dev->admin_tagset);
+ }
+}
+
static int nvme_alloc_admin_tags(struct nvme_dev *dev)
{
if (!dev->admin_q) {
return -ENOMEM;
dev->admin_q = blk_mq_init_queue(&dev->admin_tagset);
- if (!dev->admin_q) {
+ if (IS_ERR(dev->admin_q)) {
blk_mq_free_tag_set(&dev->admin_tagset);
return -ENOMEM;
}
- }
+ if (!blk_get_queue(dev->admin_q)) {
+ nvme_dev_remove_admin(dev);
+ return -ENODEV;
+ }
+ } else
+ blk_mq_unfreeze_queue(dev->admin_q);
return 0;
}
-static void nvme_free_admin_tags(struct nvme_dev *dev)
-{
- if (dev->admin_q)
- blk_mq_free_tag_set(&dev->admin_tagset);
-}
-
static int nvme_configure_admin_queue(struct nvme_dev *dev)
{
int result;
nvmeq = dev->queues[0];
if (!nvmeq) {
- nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH, 0);
+ nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH);
if (!nvmeq)
return -ENOMEM;
}
if (result)
goto free_nvmeq;
- result = nvme_alloc_admin_tags(dev);
- if (result)
- goto free_nvmeq;
-
+ nvmeq->cq_vector = 0;
result = queue_request_irq(dev, nvmeq, nvmeq->irqname);
if (result)
- goto free_tags;
+ goto free_nvmeq;
return result;
- free_tags:
- nvme_free_admin_tags(dev);
free_nvmeq:
nvme_free_queues(dev, 0);
return result;
unsigned i;
for (i = dev->queue_count; i <= dev->max_qid; i++)
- if (!nvme_alloc_queue(dev, i, dev->q_depth, i - 1))
+ if (!nvme_alloc_queue(dev, i, dev->q_depth))
break;
for (i = dev->online_queues; i <= dev->queue_count - 1; i++)
break;
if (!schedule_timeout(ADMIN_TIMEOUT) ||
fatal_signal_pending(current)) {
+ /*
+ * Disable the controller first since we can't trust it
+ * at this point, but leave the admin queue enabled
+ * until all queue deletion requests are flushed.
+ * FIXME: This may take a while if there are more h/w
+ * queues than admin tags.
+ */
set_current_state(TASK_RUNNING);
-
nvme_disable_ctrl(dev, readq(&dev->bar->cap));
- nvme_disable_queue(dev, 0);
-
- send_sig(SIGKILL, dq->worker->task, 1);
+ nvme_clear_queue(dev->queues[0]);
flush_kthread_worker(dq->worker);
+ nvme_disable_queue(dev, 0);
return;
}
}
{
struct nvme_queue *nvmeq = container_of(work, struct nvme_queue,
cmdinfo.work);
- allow_signal(SIGKILL);
if (nvme_delete_sq(nvmeq))
nvme_del_queue_end(nvmeq);
}
kthread_stop(tmp);
}
+static void nvme_freeze_queues(struct nvme_dev *dev)
+{
+ struct nvme_ns *ns;
+
+ list_for_each_entry(ns, &dev->namespaces, list) {
+ blk_mq_freeze_queue_start(ns->queue);
+
+ spin_lock(ns->queue->queue_lock);
+ queue_flag_set(QUEUE_FLAG_STOPPED, ns->queue);
+ spin_unlock(ns->queue->queue_lock);
+
+ blk_mq_cancel_requeue_work(ns->queue);
+ blk_mq_stop_hw_queues(ns->queue);
+ }
+}
+
+static void nvme_unfreeze_queues(struct nvme_dev *dev)
+{
+ struct nvme_ns *ns;
+
+ list_for_each_entry(ns, &dev->namespaces, list) {
+ queue_flag_clear_unlocked(QUEUE_FLAG_STOPPED, ns->queue);
+ blk_mq_unfreeze_queue(ns->queue);
+ blk_mq_start_stopped_hw_queues(ns->queue, true);
+ blk_mq_kick_requeue_list(ns->queue);
+ }
+}
+
static void nvme_dev_shutdown(struct nvme_dev *dev)
{
int i;
dev->initialized = 0;
nvme_dev_list_remove(dev);
- if (dev->bar)
+ if (dev->bar) {
+ nvme_freeze_queues(dev);
csts = readl(&dev->bar->csts);
+ }
if (csts & NVME_CSTS_CFS || !(csts & NVME_CSTS_RDY)) {
for (i = dev->queue_count - 1; i >= 0; i--) {
struct nvme_queue *nvmeq = dev->queues[i];
nvme_dev_unmap(dev);
}
-static void nvme_dev_remove_admin(struct nvme_dev *dev)
-{
- if (dev->admin_q && !blk_queue_dying(dev->admin_q))
- blk_cleanup_queue(dev->admin_q);
-}
-
static void nvme_dev_remove(struct nvme_dev *dev)
{
struct nvme_ns *ns;
list_for_each_entry(ns, &dev->namespaces, list) {
if (ns->disk->flags & GENHD_FL_UP)
del_gendisk(ns->disk);
- if (!blk_queue_dying(ns->queue))
+ if (!blk_queue_dying(ns->queue)) {
+ blk_mq_abort_requeue_list(ns->queue);
blk_cleanup_queue(ns->queue);
+ }
}
}
nvme_free_namespaces(dev);
nvme_release_instance(dev);
blk_mq_free_tag_set(&dev->tagset);
+ blk_put_queue(dev->admin_q);
kfree(dev->queues);
kfree(dev->entry);
kfree(dev);
}
nvme_init_queue(dev->queues[0], 0);
+ result = nvme_alloc_admin_tags(dev);
+ if (result)
+ goto disable;
result = nvme_setup_io_queues(dev);
if (result)
- goto disable;
+ goto free_tags;
nvme_set_irq_hints(dev);
return result;
+ free_tags:
+ nvme_dev_remove_admin(dev);
disable:
nvme_disable_queue(dev, 0);
nvme_dev_list_remove(dev);
dev->reset_workfn = nvme_remove_disks;
queue_work(nvme_workq, &dev->reset_work);
spin_unlock(&dev_list_lock);
+ } else {
+ nvme_unfreeze_queues(dev);
+ nvme_set_irq_hints(dev);
}
dev->initialized = 1;
return 0;
pci_set_drvdata(pdev, NULL);
flush_work(&dev->reset_work);
misc_deregister(&dev->miscdev);
- nvme_dev_remove(dev);
nvme_dev_shutdown(dev);
+ nvme_dev_remove(dev);
nvme_dev_remove_admin(dev);
nvme_free_queues(dev, 0);
- nvme_free_admin_tags(dev);
nvme_release_prp_pools(dev);
kref_put(&dev->kref, nvme_free_dev);
}
goto out_put_disk;
q = vblk->disk->queue = blk_mq_init_queue(&vblk->tag_set);
- if (!q) {
+ if (IS_ERR(q)) {
err = -ENOMEM;
goto out_free_tags;
}
#define DLN2_GPIO_MAX_PINS 32
-struct dln2_irq_work {
- struct work_struct work;
- struct dln2_gpio *dln2;
- int pin;
- int type;
-};
-
struct dln2_gpio {
struct platform_device *pdev;
struct gpio_chip gpio;
*/
DECLARE_BITMAP(output_enabled, DLN2_GPIO_MAX_PINS);
- DECLARE_BITMAP(irqs_masked, DLN2_GPIO_MAX_PINS);
- DECLARE_BITMAP(irqs_enabled, DLN2_GPIO_MAX_PINS);
- DECLARE_BITMAP(irqs_pending, DLN2_GPIO_MAX_PINS);
- struct dln2_irq_work *irq_work;
+ /* active IRQs - not synced to hardware */
+ DECLARE_BITMAP(unmasked_irqs, DLN2_GPIO_MAX_PINS);
+ /* active IRQS - synced to hardware */
+ DECLARE_BITMAP(enabled_irqs, DLN2_GPIO_MAX_PINS);
+ int irq_type[DLN2_GPIO_MAX_PINS];
+ struct mutex irq_lock;
};
struct dln2_gpio_pin {
return !!ret;
}
-static void dln2_gpio_pin_set_out_val(struct dln2_gpio *dln2,
- unsigned int pin, int value)
+static int dln2_gpio_pin_set_out_val(struct dln2_gpio *dln2,
+ unsigned int pin, int value)
{
struct dln2_gpio_pin_val req = {
.pin = cpu_to_le16(pin),
.value = value,
};
- dln2_transfer_tx(dln2->pdev, DLN2_GPIO_PIN_SET_OUT_VAL, &req,
- sizeof(req));
+ return dln2_transfer_tx(dln2->pdev, DLN2_GPIO_PIN_SET_OUT_VAL, &req,
+ sizeof(req));
}
#define DLN2_GPIO_DIRECTION_IN 0
static int dln2_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
int value)
{
+ struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio);
+ int ret;
+
+ ret = dln2_gpio_pin_set_out_val(dln2, offset, value);
+ if (ret < 0)
+ return ret;
+
return dln2_gpio_set_direction(chip, offset, DLN2_GPIO_DIRECTION_OUT);
}
&req, sizeof(req));
}
-static void dln2_irq_work(struct work_struct *w)
-{
- struct dln2_irq_work *iw = container_of(w, struct dln2_irq_work, work);
- struct dln2_gpio *dln2 = iw->dln2;
- u8 type = iw->type & DLN2_GPIO_EVENT_MASK;
-
- if (test_bit(iw->pin, dln2->irqs_enabled))
- dln2_gpio_set_event_cfg(dln2, iw->pin, type, 0);
- else
- dln2_gpio_set_event_cfg(dln2, iw->pin, DLN2_GPIO_EVENT_NONE, 0);
-}
-
-static void dln2_irq_enable(struct irq_data *irqd)
-{
- struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
- struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
- int pin = irqd_to_hwirq(irqd);
-
- set_bit(pin, dln2->irqs_enabled);
- schedule_work(&dln2->irq_work[pin].work);
-}
-
-static void dln2_irq_disable(struct irq_data *irqd)
+static void dln2_irq_unmask(struct irq_data *irqd)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
int pin = irqd_to_hwirq(irqd);
- clear_bit(pin, dln2->irqs_enabled);
- schedule_work(&dln2->irq_work[pin].work);
+ set_bit(pin, dln2->unmasked_irqs);
}
static void dln2_irq_mask(struct irq_data *irqd)
struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
int pin = irqd_to_hwirq(irqd);
- set_bit(pin, dln2->irqs_masked);
-}
-
-static void dln2_irq_unmask(struct irq_data *irqd)
-{
- struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
- struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
- struct device *dev = dln2->gpio.dev;
- int pin = irqd_to_hwirq(irqd);
-
- if (test_and_clear_bit(pin, dln2->irqs_pending)) {
- int irq;
-
- irq = irq_find_mapping(dln2->gpio.irqdomain, pin);
- if (!irq) {
- dev_err(dev, "pin %d not mapped to IRQ\n", pin);
- return;
- }
-
- generic_handle_irq(irq);
- }
+ clear_bit(pin, dln2->unmasked_irqs);
}
static int dln2_irq_set_type(struct irq_data *irqd, unsigned type)
switch (type) {
case IRQ_TYPE_LEVEL_HIGH:
- dln2->irq_work[pin].type = DLN2_GPIO_EVENT_LVL_HIGH;
+ dln2->irq_type[pin] = DLN2_GPIO_EVENT_LVL_HIGH;
break;
case IRQ_TYPE_LEVEL_LOW:
- dln2->irq_work[pin].type = DLN2_GPIO_EVENT_LVL_LOW;
+ dln2->irq_type[pin] = DLN2_GPIO_EVENT_LVL_LOW;
break;
case IRQ_TYPE_EDGE_BOTH:
- dln2->irq_work[pin].type = DLN2_GPIO_EVENT_CHANGE;
+ dln2->irq_type[pin] = DLN2_GPIO_EVENT_CHANGE;
break;
case IRQ_TYPE_EDGE_RISING:
- dln2->irq_work[pin].type = DLN2_GPIO_EVENT_CHANGE_RISING;
+ dln2->irq_type[pin] = DLN2_GPIO_EVENT_CHANGE_RISING;
break;
case IRQ_TYPE_EDGE_FALLING:
- dln2->irq_work[pin].type = DLN2_GPIO_EVENT_CHANGE_FALLING;
+ dln2->irq_type[pin] = DLN2_GPIO_EVENT_CHANGE_FALLING;
break;
default:
return -EINVAL;
return 0;
}
+static void dln2_irq_bus_lock(struct irq_data *irqd)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
+ struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
+
+ mutex_lock(&dln2->irq_lock);
+}
+
+static void dln2_irq_bus_unlock(struct irq_data *irqd)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
+ struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio);
+ int pin = irqd_to_hwirq(irqd);
+ int enabled, unmasked;
+ unsigned type;
+ int ret;
+
+ enabled = test_bit(pin, dln2->enabled_irqs);
+ unmasked = test_bit(pin, dln2->unmasked_irqs);
+
+ if (enabled != unmasked) {
+ if (unmasked) {
+ type = dln2->irq_type[pin] & DLN2_GPIO_EVENT_MASK;
+ set_bit(pin, dln2->enabled_irqs);
+ } else {
+ type = DLN2_GPIO_EVENT_NONE;
+ clear_bit(pin, dln2->enabled_irqs);
+ }
+
+ ret = dln2_gpio_set_event_cfg(dln2, pin, type, 0);
+ if (ret)
+ dev_err(dln2->gpio.dev, "failed to set event\n");
+ }
+
+ mutex_unlock(&dln2->irq_lock);
+}
+
static struct irq_chip dln2_gpio_irqchip = {
.name = "dln2-irq",
- .irq_enable = dln2_irq_enable,
- .irq_disable = dln2_irq_disable,
.irq_mask = dln2_irq_mask,
.irq_unmask = dln2_irq_unmask,
.irq_set_type = dln2_irq_set_type,
+ .irq_bus_lock = dln2_irq_bus_lock,
+ .irq_bus_sync_unlock = dln2_irq_bus_unlock,
};
static void dln2_gpio_event(struct platform_device *pdev, u16 echo,
return;
}
- if (!test_bit(pin, dln2->irqs_enabled))
- return;
- if (test_bit(pin, dln2->irqs_masked)) {
- set_bit(pin, dln2->irqs_pending);
- return;
- }
-
- switch (dln2->irq_work[pin].type) {
+ switch (dln2->irq_type[pin]) {
case DLN2_GPIO_EVENT_CHANGE_RISING:
if (event->value)
generic_handle_irq(irq);
struct dln2_gpio *dln2;
struct device *dev = &pdev->dev;
int pins;
- int i, ret;
+ int ret;
pins = dln2_gpio_get_pin_count(pdev);
if (pins < 0) {
if (!dln2)
return -ENOMEM;
- dln2->irq_work = devm_kcalloc(&pdev->dev, pins,
- sizeof(struct dln2_irq_work), GFP_KERNEL);
- if (!dln2->irq_work)
- return -ENOMEM;
- for (i = 0; i < pins; i++) {
- INIT_WORK(&dln2->irq_work[i].work, dln2_irq_work);
- dln2->irq_work[i].pin = i;
- dln2->irq_work[i].dln2 = dln2;
- }
+ mutex_init(&dln2->irq_lock);
dln2->pdev = pdev;
static int dln2_gpio_remove(struct platform_device *pdev)
{
struct dln2_gpio *dln2 = platform_get_drvdata(pdev);
- int i;
dln2_unregister_event_cb(pdev, DLN2_GPIO_CONDITION_MET_EV);
- for (i = 0; i < dln2->gpio.ngpio; i++)
- flush_work(&dln2->irq_work[i].work);
gpiochip_remove(&dln2->gpio);
return 0;
err = gpiochip_add(gc);
if (err) {
dev_err(&ofdev->dev, "Could not add gpiochip\n");
- irq_domain_remove(priv->domain);
+ if (priv->domain)
+ irq_domain_remove(priv->domain);
return err;
}
byte SS_Ind[] = "\x05\x02\x00\x02\x00\x00"; /* Hold_Ind struct*/
byte CF_Ind[] = "\x09\x02\x00\x06\x00\x00\x00\x00\x00\x00";
byte Interr_Err_Ind[] = "\x0a\x02\x00\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
- byte CONF_Ind[] = "\x09\x16\x00\x06\x00\x00\0x00\0x00\0x00\0x00";
+ byte CONF_Ind[] = "\x09\x16\x00\x06\x00\x00\x00\x00\x00\x00";
byte force_mt_info = false;
byte dir;
dword d;
led_dat->sata = 0;
led_dat->cdev.brightness = LED_OFF;
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
- /*
- * If available, expose the SATA activity blink capability through
- * a "sata" sysfs attribute.
- */
- if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
- led_dat->cdev.groups = netxbig_led_groups;
led_dat->mode_addr = template->mode_addr;
led_dat->mode_val = template->mode_val;
led_dat->bright_addr = template->bright_addr;
led_dat->bright_max = (1 << pdata->gpio_ext->num_data) - 1;
led_dat->timer = pdata->timer;
led_dat->num_timer = pdata->num_timer;
+ /*
+ * If available, expose the SATA activity blink capability through
+ * a "sata" sysfs attribute.
+ */
+ if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
+ led_dat->cdev.groups = netxbig_led_groups;
return led_classdev_register(&pdev->dev, &led_dat->cdev);
}
return 0;
}
+static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+ struct cxl_context *ctx = vma->vm_file->private_data;
+ unsigned long address = (unsigned long)vmf->virtual_address;
+ u64 area, offset;
+
+ offset = vmf->pgoff << PAGE_SHIFT;
+
+ pr_devel("%s: pe: %i address: 0x%lx offset: 0x%llx\n",
+ __func__, ctx->pe, address, offset);
+
+ if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
+ area = ctx->afu->psn_phys;
+ if (offset > ctx->afu->adapter->ps_size)
+ return VM_FAULT_SIGBUS;
+ } else {
+ area = ctx->psn_phys;
+ if (offset > ctx->psn_size)
+ return VM_FAULT_SIGBUS;
+ }
+
+ mutex_lock(&ctx->status_mutex);
+
+ if (ctx->status != STARTED) {
+ mutex_unlock(&ctx->status_mutex);
+ pr_devel("%s: Context not started, failing problem state access\n", __func__);
+ return VM_FAULT_SIGBUS;
+ }
+
+ vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT);
+
+ mutex_unlock(&ctx->status_mutex);
+
+ return VM_FAULT_NOPAGE;
+}
+
+static const struct vm_operations_struct cxl_mmap_vmops = {
+ .fault = cxl_mmap_fault,
+};
+
/*
* Map a per-context mmio space into the given vma.
*/
u64 len = vma->vm_end - vma->vm_start;
len = min(len, ctx->psn_size);
- if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- return vm_iomap_memory(vma, ctx->afu->psn_phys, ctx->afu->adapter->ps_size);
- }
+ if (ctx->afu->current_mode != CXL_MODE_DEDICATED) {
+ /* make sure there is a valid per process space for this AFU */
+ if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
+ pr_devel("AFU doesn't support mmio space\n");
+ return -EINVAL;
+ }
- /* make sure there is a valid per process space for this AFU */
- if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
- pr_devel("AFU doesn't support mmio space\n");
- return -EINVAL;
+ /* Can't mmap until the AFU is enabled */
+ if (!ctx->afu->enabled)
+ return -EBUSY;
}
- /* Can't mmap until the AFU is enabled */
- if (!ctx->afu->enabled)
- return -EBUSY;
-
pr_devel("%s: mmio physical: %llx pe: %i master:%i\n", __func__,
ctx->psn_phys, ctx->pe , ctx->master);
+ vma->vm_flags |= VM_IO | VM_PFNMAP;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- return vm_iomap_memory(vma, ctx->psn_phys, len);
+ vma->vm_ops = &cxl_mmap_vmops;
+ return 0;
}
/*
afu_release_irqs(ctx);
flush_work(&ctx->fault_work); /* Only needed for dedicated process */
wake_up_all(&ctx->wq);
-
- /* Release Problem State Area mapping */
- mutex_lock(&ctx->mapping_lock);
- if (ctx->mapping)
- unmap_mapping_range(ctx->mapping, 0, 0, 1);
- mutex_unlock(&ctx->mapping_lock);
}
/*
* created and torn down after the IDR removed
*/
__detach_context(ctx);
+
+ /*
+ * We are force detaching - remove any active PSA mappings so
+ * userspace cannot interfere with the card if it comes back.
+ * Easiest way to exercise this is to unbind and rebind the
+ * driver via sysfs while it is in use.
+ */
+ mutex_lock(&ctx->mapping_lock);
+ if (ctx->mapping)
+ unmap_mapping_range(ctx->mapping, 0, 0, 1);
+ mutex_unlock(&ctx->mapping_lock);
}
mutex_unlock(&afu->contexts_lock);
}
pr_devel("%s: pe: %i\n", __func__, ctx->pe);
- mutex_lock(&ctx->status_mutex);
- if (ctx->status != OPENED) {
- rc = -EIO;
- goto out;
- }
-
+ /* Do this outside the status_mutex to avoid a circular dependency with
+ * the locking in cxl_mmap_fault() */
if (copy_from_user(&work, uwork,
sizeof(struct cxl_ioctl_start_work))) {
rc = -EFAULT;
goto out;
}
+ mutex_lock(&ctx->status_mutex);
+ if (ctx->status != OPENED) {
+ rc = -EIO;
+ goto out;
+ }
+
/*
* if any of the reserved fields are set or any of the unused
* flags are set it's invalid
{ "INT33BB" , "3" , &sdhci_acpi_slot_int_sd },
{ "INT33C6" , NULL, &sdhci_acpi_slot_int_sdio },
{ "INT3436" , NULL, &sdhci_acpi_slot_int_sdio },
+ { "INT344D" , NULL, &sdhci_acpi_slot_int_sdio },
{ "PNP0D40" },
{ },
};
{ "INT33BB" },
{ "INT33C6" },
{ "INT3436" },
+ { "INT344D" },
{ "PNP0D40" },
{ },
};
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc,
},
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_SPT_EMMC,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_SPT_SDIO,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_SPT_SD,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
+ },
+
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8120,
#define PCI_DEVICE_ID_INTEL_CLV_EMMC0 0x08e5
#define PCI_DEVICE_ID_INTEL_CLV_EMMC1 0x08e6
#define PCI_DEVICE_ID_INTEL_QRK_SD 0x08A7
+#define PCI_DEVICE_ID_INTEL_SPT_EMMC 0x9d2b
+#define PCI_DEVICE_ID_INTEL_SPT_SDIO 0x9d2c
+#define PCI_DEVICE_ID_INTEL_SPT_SD 0x9d2d
/*
* PCI registers
if (IS_ERR(host))
return PTR_ERR(host);
- if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) {
- ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info());
- if (ret < 0)
- goto err_mbus_win;
- }
-
-
pltfm_host = sdhci_priv(host);
pltfm_host->priv = pxa;
if (!IS_ERR(pxa->clk_core))
clk_prepare_enable(pxa->clk_core);
+ if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) {
+ ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info());
+ if (ret < 0)
+ goto err_mbus_win;
+ }
+
/* enable 1/8V DDR capable */
host->mmc->caps |= MMC_CAP_1_8V_DDR;
pm_runtime_disable(&pdev->dev);
err_of_parse:
err_cd_req:
+err_mbus_win:
clk_disable_unprepare(pxa->clk_io);
if (!IS_ERR(pxa->clk_core))
clk_disable_unprepare(pxa->clk_core);
err_clk_get:
-err_mbus_win:
sdhci_pltfm_free(pdev);
return ret;
}
del_timer_sync(&host->tuning_timer);
host->flags &= ~SDHCI_NEEDS_RETUNING;
- host->mmc->max_blk_count =
- (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535;
}
sdhci_enable_card_detection(host);
}
spin_unlock_irq(&host->lock);
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
spin_lock_irq(&host->lock);
+
+ if (mode != MMC_POWER_OFF)
+ sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL);
+ else
+ sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
+
return;
}
sdhci_runtime_pm_get(host);
+ present = mmc_gpio_get_cd(host->mmc);
+
spin_lock_irqsave(&host->lock, flags);
WARN_ON(host->mrq != NULL);
* zero: cd-gpio is used, and card is removed
* one: cd-gpio is used, and card is present
*/
- present = mmc_gpio_get_cd(host->mmc);
if (present < 0) {
/* If polling, assume that the card is always present. */
if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
return !(present_state & SDHCI_DATA_LVL_MASK);
}
+static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+ struct sdhci_host *host = mmc_priv(mmc);
+ unsigned long flags;
+
+ spin_lock_irqsave(&host->lock, flags);
+ host->flags |= SDHCI_HS400_TUNING;
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ return 0;
+}
+
static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
{
struct sdhci_host *host = mmc_priv(mmc);
int tuning_loop_counter = MAX_TUNING_LOOP;
int err = 0;
unsigned long flags;
+ unsigned int tuning_count = 0;
+ bool hs400_tuning;
sdhci_runtime_pm_get(host);
spin_lock_irqsave(&host->lock, flags);
+ hs400_tuning = host->flags & SDHCI_HS400_TUNING;
+ host->flags &= ~SDHCI_HS400_TUNING;
+
+ if (host->tuning_mode == SDHCI_TUNING_MODE_1)
+ tuning_count = host->tuning_count;
+
/*
* The Host Controller needs tuning only in case of SDR104 mode
* and for SDR50 mode when Use Tuning for SDR50 is set in the
* tuning function has to be executed.
*/
switch (host->timing) {
+ /* HS400 tuning is done in HS200 mode */
case MMC_TIMING_MMC_HS400:
+ err = -EINVAL;
+ goto out_unlock;
+
case MMC_TIMING_MMC_HS200:
+ /*
+ * Periodic re-tuning for HS400 is not expected to be needed, so
+ * disable it here.
+ */
+ if (hs400_tuning)
+ tuning_count = 0;
+ break;
+
case MMC_TIMING_UHS_SDR104:
break;
/* FALLTHROUGH */
default:
- spin_unlock_irqrestore(&host->lock, flags);
- sdhci_runtime_pm_put(host);
- return 0;
+ goto out_unlock;
}
if (host->ops->platform_execute_tuning) {
}
out:
- /*
- * If this is the very first time we are here, we start the retuning
- * timer. Since only during the first time, SDHCI_NEEDS_RETUNING
- * flag won't be set, we check this condition before actually starting
- * the timer.
- */
- if (!(host->flags & SDHCI_NEEDS_RETUNING) && host->tuning_count &&
- (host->tuning_mode == SDHCI_TUNING_MODE_1)) {
+ host->flags &= ~SDHCI_NEEDS_RETUNING;
+
+ if (tuning_count) {
host->flags |= SDHCI_USING_RETUNING_TIMER;
- mod_timer(&host->tuning_timer, jiffies +
- host->tuning_count * HZ);
- /* Tuning mode 1 limits the maximum data length to 4MB */
- mmc->max_blk_count = (4 * 1024 * 1024) / mmc->max_blk_size;
- } else if (host->flags & SDHCI_USING_RETUNING_TIMER) {
- host->flags &= ~SDHCI_NEEDS_RETUNING;
- /* Reload the new initial value for timer */
- mod_timer(&host->tuning_timer, jiffies +
- host->tuning_count * HZ);
+ mod_timer(&host->tuning_timer, jiffies + tuning_count * HZ);
}
/*
sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+out_unlock:
spin_unlock_irqrestore(&host->lock, flags);
sdhci_runtime_pm_put(host);
{
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
+ int present;
/* First check if client has provided their own card event */
if (host->ops->card_event)
host->ops->card_event(host);
+ present = sdhci_do_get_cd(host);
+
spin_lock_irqsave(&host->lock, flags);
/* Check host->mrq first in case we are runtime suspended */
- if (host->mrq && !sdhci_do_get_cd(host)) {
+ if (host->mrq && !present) {
pr_err("%s: Card removed during transfer!\n",
mmc_hostname(host->mmc));
pr_err("%s: Resetting controller.\n",
.hw_reset = sdhci_hw_reset,
.enable_sdio_irq = sdhci_enable_sdio_irq,
.start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
+ .prepare_hs400_tuning = sdhci_prepare_hs400_tuning,
.execute_tuning = sdhci_execute_tuning,
.card_event = sdhci_card_event,
.card_busy = sdhci_card_busy,
mmc->max_segs = SDHCI_MAX_SEGS;
/*
- * Maximum number of sectors in one transfer. Limited by DMA boundary
- * size (512KiB).
+ * Maximum number of sectors in one transfer. Limited by SDMA boundary
+ * size (512KiB). Note some tuning modes impose a 4MiB limit, but this
+ * is less anyway.
*/
mmc->max_req_size = 524288;
schedule_work(&alx->reset_wk);
}
-static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
+static int alx_clean_rx_irq(struct alx_priv *alx, int budget)
{
struct alx_rx_queue *rxq = &alx->rxq;
struct alx_rrd *rrd;
struct alx_buffer *rxb;
struct sk_buff *skb;
u16 length, rfd_cleaned = 0;
+ int work = 0;
- while (budget > 0) {
+ while (work < budget) {
rrd = &rxq->rrd[rxq->rrd_read_idx];
if (!(rrd->word3 & cpu_to_le32(1 << RRD_UPDATED_SHIFT)))
break;
ALX_GET_FIELD(le32_to_cpu(rrd->word0),
RRD_NOR) != 1) {
alx_schedule_reset(alx);
- return 0;
+ return work;
}
rxb = &rxq->bufs[rxq->read_idx];
}
napi_gro_receive(&alx->napi, skb);
- budget--;
+ work++;
next_pkt:
if (++rxq->read_idx == alx->rx_ringsz)
if (rfd_cleaned)
alx_refill_rx_ring(alx, GFP_ATOMIC);
- return budget > 0;
+ return work;
}
static int alx_poll(struct napi_struct *napi, int budget)
{
struct alx_priv *alx = container_of(napi, struct alx_priv, napi);
struct alx_hw *hw = &alx->hw;
- bool complete = true;
unsigned long flags;
+ bool tx_complete;
+ int work;
- complete = alx_clean_tx_irq(alx) &&
- alx_clean_rx_irq(alx, budget);
+ tx_complete = alx_clean_tx_irq(alx);
+ work = alx_clean_rx_irq(alx, budget);
- if (!complete)
- return 1;
+ if (!tx_complete || work == budget)
+ return budget;
napi_complete(&alx->napi);
alx_post_write(hw);
- return 0;
+ return work;
}
static irqreturn_t alx_intr_handle(struct alx_priv *alx, u32 intr)
}
static void tg3_irq_quiesce(struct tg3 *tp)
+ __releases(tp->lock)
+ __acquires(tp->lock)
{
int i;
tp->irq_sync = 1;
smp_mb();
+ spin_unlock_bh(&tp->lock);
+
for (i = 0; i < tp->irq_cnt; i++)
synchronize_irq(tp->napi[i].irq_vec);
+
+ spin_lock_bh(&tp->lock);
}
/* Fully shutdown all tg3 driver activity elsewhere in the system.
/* tp->lock is held. */
static int tg3_chip_reset(struct tg3 *tp)
+ __releases(tp->lock)
+ __acquires(tp->lock)
{
u32 val;
void (*write_op)(struct tg3 *, u32, u32);
}
smp_mb();
+ tg3_full_unlock(tp);
+
for (i = 0; i < tp->irq_cnt; i++)
synchronize_irq(tp->napi[i].irq_vec);
+ tg3_full_lock(tp, 0);
+
if (tg3_asic_rev(tp) == ASIC_REV_57780) {
val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
{
struct tg3 *tp = (struct tg3 *) __opaque;
- if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING))
- goto restart_timer;
-
spin_lock(&tp->lock);
+ if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING)) {
+ spin_unlock(&tp->lock);
+ goto restart_timer;
+ }
+
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
tg3_flag(tp, 57765_CLASS))
tg3_chk_missed_msi(tp);
struct tg3 *tp = container_of(work, struct tg3, reset_task);
int err;
+ rtnl_lock();
tg3_full_lock(tp, 0);
if (!netif_running(tp->dev)) {
tg3_flag_clear(tp, RESET_TASK_PENDING);
tg3_full_unlock(tp);
+ rtnl_unlock();
return;
}
tg3_phy_start(tp);
tg3_flag_clear(tp, RESET_TASK_PENDING);
+ rtnl_unlock();
}
static int tg3_request_irq(struct tg3 *tp, int irq_num)
res = PTR_ERR(lp->pclk);
goto err_free_dev;
}
- clk_enable(lp->pclk);
+ clk_prepare_enable(lp->pclk);
lp->hclk = ERR_PTR(-ENOENT);
lp->tx_clk = ERR_PTR(-ENOENT);
err_out_unregister_netdev:
unregister_netdev(dev);
err_disable_clock:
- clk_disable(lp->pclk);
+ clk_disable_unprepare(lp->pclk);
err_free_dev:
free_netdev(dev);
return res;
kfree(lp->mii_bus->irq);
mdiobus_free(lp->mii_bus);
unregister_netdev(dev);
- clk_disable(lp->pclk);
+ clk_disable_unprepare(lp->pclk);
free_netdev(dev);
return 0;
netif_stop_queue(net_dev);
netif_device_detach(net_dev);
- clk_disable(lp->pclk);
+ clk_disable_unprepare(lp->pclk);
}
return 0;
}
struct macb *lp = netdev_priv(net_dev);
if (netif_running(net_dev)) {
- clk_enable(lp->pclk);
+ clk_prepare_enable(lp->pclk);
netif_device_attach(net_dev);
netif_start_queue(net_dev);
*/
n10g = 0;
for_each_port(adapter, pidx)
- n10g += is_10g_port(&adap2pinfo(adapter, pidx)->link_cfg);
+ n10g += is_x_10g_port(&adap2pinfo(adapter, pidx)->link_cfg);
/*
* We default to 1 queue per non-10G port and up to # of cores queues
return v;
v = be32_to_cpu(port_rpl.u.info.lstatus_to_modtype);
+ pi->mdio_addr = (v & FW_PORT_CMD_MDIOCAP_F) ?
+ FW_PORT_CMD_MDIOADDR_G(v) : -1;
pi->port_type = FW_PORT_CMD_PTYPE_G(v);
pi->mod_type = FW_PORT_MOD_TYPE_NA;
* break out of while loop if there are no more
* packets waiting
*/
- if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16)) {
- napi_complete(napi);
- int_enable = dnet_readl(bp, INTR_ENB);
- int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
- dnet_writel(bp, int_enable, INTR_ENB);
- return 0;
- }
+ if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16))
+ break;
cmd_word = dnet_readl(bp, RX_LEN_FIFO);
pkt_len = cmd_word & 0xFFFF;
"size %u.\n", dev->name, pkt_len);
}
- budget -= npackets;
-
if (npackets < budget) {
/* We processed all packets available. Tell NAPI it can
- * stop polling then re-enable rx interrupts */
+ * stop polling then re-enable rx interrupts.
+ */
napi_complete(napi);
int_enable = dnet_readl(bp, INTR_ENB);
int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
dnet_writel(bp, int_enable, INTR_ENB);
- return 0;
}
- /* There are still packets waiting */
- return 1;
+ return npackets;
}
static irqreturn_t dnet_interrupt(int irq, void *dev_id)
* (40ns * 6).
*/
#define FEC_QUIRK_BUG_CAPTURE (1 << 10)
+/* Controller has only one MDIO bus */
+#define FEC_QUIRK_SINGLE_MDIO (1 << 11)
struct fec_enet_priv_tx_q {
int index;
.driver_data = 0,
}, {
.name = "imx28-fec",
- .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME,
+ .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
+ FEC_QUIRK_SINGLE_MDIO,
}, {
.name = "imx6q-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
int err = -ENXIO, i;
/*
- * The dual fec interfaces are not equivalent with enet-mac.
+ * The i.MX28 dual fec interfaces are not equal.
* Here are the differences:
*
* - fec0 supports MII & RMII modes while fec1 only supports RMII
* mdio interface in board design, and need to be configured by
* fec0 mii_bus.
*/
- if ((fep->quirks & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
+ if ((fep->quirks & FEC_QUIRK_SINGLE_MDIO) && fep->dev_id > 0) {
/* fec1 uses fec0 mii_bus */
if (mii_cnt && fec0_mii_bus) {
fep->mii_bus = fec0_mii_bus;
mii_cnt++;
/* save fec0 mii_bus */
- if (fep->quirks & FEC_QUIRK_ENET_MAC)
+ if (fep->quirks & FEC_QUIRK_SINGLE_MDIO)
fec0_mii_bus = fep->mii_bus;
return 0;
pdev->id_entry = of_id->data;
fep->quirks = pdev->id_entry->driver_data;
+ fep->netdev = ndev;
fep->num_rx_queues = num_rx_qs;
fep->num_tx_queues = num_tx_qs;
If unsure, say N.
+config I40E_FCOE
+ bool "Fibre Channel over Ethernet (FCoE)"
+ default n
+ depends on I40E && DCB && FCOE
+ ---help---
+ Say Y here if you want to use Fibre Channel over Ethernet (FCoE)
+ in the driver. This will create new netdev for exclusive FCoE
+ use with XL710 FCoE offloads enabled.
+
+ If unsure, say N.
+
config I40EVF
tristate "Intel(R) XL710 X710 Virtual Function Ethernet support"
depends on PCI_MSI
i40e_virtchnl_pf.o
i40e-$(CONFIG_I40E_DCB) += i40e_dcb.o i40e_dcb_nl.o
-i40e-$(CONFIG_FCOE:m=y) += i40e_fcoe.o
+i40e-$(CONFIG_I40E_FCOE) += i40e_fcoe.o
} while (0)
typedef enum i40e_status_code i40e_status;
-#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+#ifdef CONFIG_I40E_FCOE
#define I40E_FCOE
-#endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */
+#endif
#endif /* _I40E_OSDEP_H_ */
return le32_to_cpu(*(volatile __le32 *)head);
}
+#define WB_STRIDE 0x3
+
/**
* i40e_clean_tx_irq - Reclaim resources after transmit completes
* @tx_ring: tx ring to clean
tx_ring->q_vector->tx.total_bytes += total_bytes;
tx_ring->q_vector->tx.total_packets += total_packets;
+ /* check to see if there are any non-cache aligned descriptors
+ * waiting to be written back, and kick the hardware to force
+ * them to be written back in case of napi polling
+ */
+ if (budget &&
+ !((i & WB_STRIDE) == WB_STRIDE) &&
+ !test_bit(__I40E_DOWN, &tx_ring->vsi->state) &&
+ (I40E_DESC_UNUSED(tx_ring) != tx_ring->count))
+ tx_ring->arm_wb = true;
+ else
+ tx_ring->arm_wb = false;
+
if (check_for_tx_hang(tx_ring) && i40e_check_tx_hang(tx_ring)) {
/* schedule immediate reset if we believe we hung */
dev_info(tx_ring->dev, "Detected Tx Unit Hang\n"
netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
dev_info(tx_ring->dev,
- "tx hang detected on queue %d, resetting adapter\n",
+ "tx hang detected on queue %d, reset requested\n",
tx_ring->queue_index);
- tx_ring->netdev->netdev_ops->ndo_tx_timeout(tx_ring->netdev);
+ /* do not fire the reset immediately, wait for the stack to
+ * decide we are truly stuck, also prevents every queue from
+ * simultaneously requesting a reset
+ */
- /* the adapter is about to reset, no point in enabling stuff */
- return true;
+ /* the adapter is about to reset, no point in enabling polling */
+ budget = 1;
}
netdev_tx_completed_queue(netdev_get_tx_queue(tx_ring->netdev,
}
}
- return budget > 0;
+ return !!budget;
+}
+
+/**
+ * i40e_force_wb - Arm hardware to do a wb on noncache aligned descriptors
+ * @vsi: the VSI we care about
+ * @q_vector: the vector on which to force writeback
+ *
+ **/
+static void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
+{
+ u32 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
+ I40E_PFINT_DYN_CTLN_SWINT_TRIG_MASK |
+ I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_MASK
+ /* allow 00 to be written to the index */;
+
+ wr32(&vsi->back->hw,
+ I40E_PFINT_DYN_CTLN(q_vector->v_idx + vsi->base_vector - 1),
+ val);
}
/**
* so the total length of IPv4 header is IHL*4 bytes
* The UDP_0 bit *may* bet set if the *inner* header is UDP
*/
- if (ipv4_tunnel &&
- (decoded.inner_prot != I40E_RX_PTYPE_INNER_PROT_UDP) &&
- !(rx_status & (1 << I40E_RX_DESC_STATUS_UDP_0_SHIFT))) {
+ if (ipv4_tunnel) {
skb->transport_header = skb->mac_header +
sizeof(struct ethhdr) +
(ip_hdr(skb)->ihl * 4);
skb->protocol == htons(ETH_P_8021AD))
? VLAN_HLEN : 0;
- rx_udp_csum = udp_csum(skb);
- iph = ip_hdr(skb);
- csum = csum_tcpudp_magic(
- iph->saddr, iph->daddr,
- (skb->len - skb_transport_offset(skb)),
- IPPROTO_UDP, rx_udp_csum);
+ if ((ip_hdr(skb)->protocol == IPPROTO_UDP) &&
+ (udp_hdr(skb)->check != 0)) {
+ rx_udp_csum = udp_csum(skb);
+ iph = ip_hdr(skb);
+ csum = csum_tcpudp_magic(
+ iph->saddr, iph->daddr,
+ (skb->len - skb_transport_offset(skb)),
+ IPPROTO_UDP, rx_udp_csum);
- if (udp_hdr(skb)->check != csum)
- goto checksum_fail;
+ if (udp_hdr(skb)->check != csum)
+ goto checksum_fail;
+
+ } /* else its GRE and so no outer UDP header */
}
skb->ip_summed = CHECKSUM_UNNECESSARY;
struct i40e_vsi *vsi = q_vector->vsi;
struct i40e_ring *ring;
bool clean_complete = true;
+ bool arm_wb = false;
int budget_per_ring;
if (test_bit(__I40E_DOWN, &vsi->state)) {
/* Since the actual Tx work is minimal, we can give the Tx a larger
* budget and be more aggressive about cleaning up the Tx descriptors.
*/
- i40e_for_each_ring(ring, q_vector->tx)
+ i40e_for_each_ring(ring, q_vector->tx) {
clean_complete &= i40e_clean_tx_irq(ring, vsi->work_limit);
+ arm_wb |= ring->arm_wb;
+ }
/* We attempt to distribute budget to each Rx queue fairly, but don't
* allow the budget to go below 1 because that would exit polling early.
clean_complete &= i40e_clean_rx_irq(ring, budget_per_ring);
/* If work not completed, return budget and polling will return */
- if (!clean_complete)
+ if (!clean_complete) {
+ if (arm_wb)
+ i40e_force_wb(vsi, q_vector);
return budget;
+ }
/* Work is done so exit the polling mode and re-enable the interrupt */
napi_complete(napi);
if (err < 0)
return err;
- if (protocol == htons(ETH_P_IP)) {
- iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
+ iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
+ ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);
+
+ if (iph->version == 4) {
tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
iph->tot_len = 0;
iph->check = 0;
tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
0, IPPROTO_TCP, 0);
- } else if (skb_is_gso_v6(skb)) {
-
- ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb)
- : ipv6_hdr(skb);
+ } else if (ipv6h->version == 6) {
tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
ipv6h->payload_len = 0;
tcph->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr,
I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
}
} else if (tx_flags & I40E_TX_FLAGS_IPV6) {
- if (tx_flags & I40E_TX_FLAGS_TSO) {
- *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
+ *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
+ if (tx_flags & I40E_TX_FLAGS_TSO)
ip_hdr(skb)->check = 0;
- } else {
- *cd_tunneling |=
- I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
- }
}
/* Now set the ctx descriptor fields */
((skb_inner_network_offset(skb) -
skb_transport_offset(skb)) >> 1) <<
I40E_TXD_CTX_QW0_NATLEN_SHIFT;
-
+ if (this_ip_hdr->version == 6) {
+ tx_flags &= ~I40E_TX_FLAGS_IPV4;
+ tx_flags |= I40E_TX_FLAGS_IPV6;
+ }
} else {
network_hdr_len = skb_network_header_len(skb);
this_ip_hdr = ip_hdr(skb);
/* Place RS bit on last descriptor of any packet that spans across the
* 4th descriptor (WB_STRIDE aka 0x3) in a 64B cacheline.
*/
-#define WB_STRIDE 0x3
if (((i & WB_STRIDE) != WB_STRIDE) &&
(first <= &tx_ring->tx_bi[i]) &&
(first >= &tx_ring->tx_bi[i & ~WB_STRIDE])) {
unsigned long last_rx_timestamp;
bool ring_active; /* is ring online or not */
+ bool arm_wb; /* do something to arm write back */
/* stats structs */
struct i40e_queue_stats stats;
.eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
EESR_ECI,
+ .fdr_value = 0x00000f0f,
.apr = 1,
.mpr = 1,
.eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
EESR_ECI,
+ .fdr_value = 0x00000f0f,
.apr = 1,
.mpr = 1,
EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
EESR_ECI,
+ .trscer_err_mask = DESC_I_RINT8,
+
.apr = 1,
.mpr = 1,
.tpauser = 1,
if (!cd->eesr_err_check)
cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK;
+
+ if (!cd->trscer_err_mask)
+ cd->trscer_err_mask = DEFAULT_TRSCER_ERR_MASK;
}
static int sh_eth_check_reset(struct net_device *ndev)
/* Frame recv control (enable multiple-packets per rx irq) */
sh_eth_write(ndev, RMCR_RNC, RMCR);
- sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER);
+ sh_eth_write(ndev, mdp->cd->trscer_err_mask, TRSCER);
if (mdp->cd->bculr)
sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */
DESC_I_RINT1 = 0x0001,
};
+#define DEFAULT_TRSCER_ERR_MASK (DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2)
+
/* RPADIR */
enum RPADIR_BIT {
RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
unsigned long tx_check;
unsigned long eesr_err_check;
+ /* Error mask */
+ unsigned long trscer_err_mask;
+
/* hardware features */
unsigned long irq_flags; /* IRQ configuration flags */
unsigned no_psr:1; /* EtherC DO NOT have PSR */
/* Clear all mcast from ALE */
cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS <<
- priv->host_port);
+ priv->host_port, -1);
/* Flood All Unicast Packets to Host port */
cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1);
static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ int vid;
+
+ if (priv->data.dual_emac)
+ vid = priv->slaves[priv->emac_port].port_vlan;
+ else
+ vid = priv->data.default_vlan;
if (ndev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
cpsw_ale_set_allmulti(priv->ale, priv->ndev->flags & IFF_ALLMULTI);
/* Clear all mcast from ALE */
- cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port);
+ cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port,
+ vid);
if (!netdev_mc_empty(ndev)) {
struct netdev_hw_addr *ha;
cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
}
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask)
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid)
{
u32 ale_entry[ALE_ENTRY_WORDS];
int ret, idx;
if (ret != ALE_TYPE_ADDR && ret != ALE_TYPE_VLAN_ADDR)
continue;
+ /* if vid passed is -1 then remove all multicast entry from
+ * the table irrespective of vlan id, if a valid vlan id is
+ * passed then remove only multicast added to that vlan id.
+ * if vlan id doesn't match then move on to next entry.
+ */
+ if (vid != -1 && cpsw_ale_get_vlan_id(ale_entry) != vid)
+ continue;
+
if (cpsw_ale_get_mcast(ale_entry)) {
u8 addr[6];
int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout);
int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask);
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask);
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
int flags, u16 vid);
int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
static void team_notify_peers_work(struct work_struct *work)
{
struct team *team;
+ int val;
team = container_of(work, struct team, notify_peers.dw.work);
schedule_delayed_work(&team->notify_peers.dw, 0);
return;
}
+ val = atomic_dec_if_positive(&team->notify_peers.count_pending);
+ if (val < 0) {
+ rtnl_unlock();
+ return;
+ }
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev);
rtnl_unlock();
- if (!atomic_dec_and_test(&team->notify_peers.count_pending))
+ if (val)
schedule_delayed_work(&team->notify_peers.dw,
msecs_to_jiffies(team->notify_peers.interval));
}
static void team_mcast_rejoin_work(struct work_struct *work)
{
struct team *team;
+ int val;
team = container_of(work, struct team, mcast_rejoin.dw.work);
schedule_delayed_work(&team->mcast_rejoin.dw, 0);
return;
}
+ val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending);
+ if (val < 0) {
+ rtnl_unlock();
+ return;
+ }
call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev);
rtnl_unlock();
- if (!atomic_dec_and_test(&team->mcast_rejoin.count_pending))
+ if (val)
schedule_delayed_work(&team->mcast_rejoin.dw,
msecs_to_jiffies(team->mcast_rejoin.interval));
}
awd.done = 0;
urb->context = &awd;
- status = usb_submit_urb(urb, GFP_NOIO);
+ status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
// something went wrong
usb_free_urb(urb);
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX 10
-#define IWL3160_UCODE_API_MAX 10
+#define IWL7260_UCODE_API_MAX 12
+#define IWL3160_UCODE_API_MAX 12
/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK 10
#define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
#define IWL7265D_FW_PRE "iwlwifi-7265D-"
-#define IWL7265D_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
+#define IWL7265D_MODULE_FIRMWARE(api) IWL7265D_FW_PRE __stringify(api) ".ucode"
#define NVM_HW_SECTION_NUM_FAMILY_7000 0
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
-#define IWL8000_UCODE_API_MAX 10
+#define IWL8000_UCODE_API_MAX 12
/* Oldest version we won't warn about */
#define IWL8000_UCODE_API_OK 10
* @IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF: ucode supports disabling dummy notif.
* @IWL_UCODE_TLV_API_FRAGMENTED_SCAN: This ucode supports active dwell time
* longer than the passive one, which is essential for fragmented scan.
+ * @IWL_UCODE_TLV_API_BASIC_DWELL: use only basic dwell time in scan command,
+ * regardless of the band or the number of the probes. FW will calculate
+ * the actual dwell time.
*/
enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID = BIT(0),
IWL_UCODE_TLV_API_LMAC_SCAN = BIT(6),
IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF = BIT(7),
IWL_UCODE_TLV_API_FRAGMENTED_SCAN = BIT(8),
+ IWL_UCODE_TLV_API_BASIC_DWELL = BIT(13),
};
/**
* @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
* @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
* and DS parameter set IEs into probe requests.
+ * @IWL_MVM_LMAC_SCAN_FLAG_MATCH: Send match found notification on matches
*/
enum iwl_mvm_lmac_scan_flags {
IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL = BIT(0),
IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS = BIT(4),
IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED = BIT(5),
IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED = BIT(6),
+ IWL_MVM_LMAC_SCAN_FLAG_MATCH = BIT(9),
};
enum iwl_scan_priority {
* already included in the probe template, so we need to set only
* req->n_ssids - 1 bits in addition to the first bit.
*/
-static u16 iwl_mvm_get_active_dwell(enum ieee80211_band band, int n_ssids)
+static u16 iwl_mvm_get_active_dwell(struct iwl_mvm *mvm,
+ enum ieee80211_band band, int n_ssids)
{
+ if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL)
+ return 10;
if (band == IEEE80211_BAND_2GHZ)
return 20 + 3 * (n_ssids + 1);
return 10 + 2 * (n_ssids + 1);
}
-static u16 iwl_mvm_get_passive_dwell(enum ieee80211_band band)
+static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm,
+ enum ieee80211_band band)
{
+ if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL)
+ return 110;
return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10;
}
*/
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
u32 passive_dwell =
- iwl_mvm_get_passive_dwell(IEEE80211_BAND_2GHZ);
+ iwl_mvm_get_passive_dwell(mvm,
+ IEEE80211_BAND_2GHZ);
params->max_out_time = passive_dwell;
} else {
params->passive_fragmented = true;
params->dwell[band].passive = frag_passive_dwell;
else
params->dwell[band].passive =
- iwl_mvm_get_passive_dwell(band);
- params->dwell[band].active = iwl_mvm_get_active_dwell(band,
+ iwl_mvm_get_passive_dwell(mvm, band);
+ params->dwell[band].active = iwl_mvm_get_active_dwell(mvm, band,
n_ssids);
}
}
if (iwl_mvm_scan_pass_all(mvm, req))
flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL;
+ else
+ flags |= IWL_MVM_LMAC_SCAN_FLAG_MATCH;
if (req->n_ssids == 1 && req->ssids[0].ssid_len != 0)
flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
}
- /* tid_tspec will default to 0 = BE when QOS isn't enabled */
- ac = tid_to_mac80211_ac[tx_cmd->tid_tspec];
+ /* Default to 0 (BE) when tid_spec is set to IWL_TID_NON_QOS */
+ if (tx_cmd->tid_tspec < IWL_MAX_TID_COUNT)
+ ac = tid_to_mac80211_ac[tx_cmd->tid_tspec];
+ else
+ ac = tid_to_mac80211_ac[0];
+
tx_flags |= iwl_mvm_bt_coex_tx_prio(mvm, hdr, info, ac) <<
TX_CMD_FLG_BT_PRIO_POS;
if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
return false;
- if (!mvm->cfg->rx_with_siso_diversity)
+ if (mvm->cfg->rx_with_siso_diversity)
return false;
ieee80211_iterate_active_interfaces_atomic(
else if (cfg == &iwl7265_n_cfg)
cfg_7265d = &iwl7265d_n_cfg;
if (cfg_7265d &&
- (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
+ (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D) {
cfg = cfg_7265d;
+ iwl_trans->cfg = cfg_7265d;
+ }
#endif
pci_set_drvdata(pdev, iwl_trans);
}
static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
- u8 *entry, int rxring_idx, int desc_idx)
+ struct sk_buff *new_skb, u8 *entry,
+ int rxring_idx, int desc_idx)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u8 tmp_one = 1;
struct sk_buff *skb;
+ if (likely(new_skb)) {
+ skb = new_skb;
+ goto remap;
+ }
skb = dev_alloc_skb(rtlpci->rxbuffersize);
if (!skb)
return 0;
- rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
+remap:
/* just set skb->cb to mapping addr for pci_unmap_single use */
*((dma_addr_t *)skb->cb) =
pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
bufferaddress = *((dma_addr_t *)skb->cb);
if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
return 0;
+ rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
if (rtlpriv->use_new_trx_flow) {
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
HW_DESC_RX_PREPARE,
/*rx pkt */
struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[
rtlpci->rx_ring[rxring_idx].idx];
+ struct sk_buff *new_skb;
if (rtlpriv->use_new_trx_flow) {
rx_remained_cnt =
pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
+ /* get a new skb - if fail, old one will be reused */
+ new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
+ if (unlikely(!new_skb)) {
+ pr_err("Allocation of new skb failed in %s\n",
+ __func__);
+ goto no_new;
+ }
if (rtlpriv->use_new_trx_flow) {
buffer_desc =
&rtlpci->rx_ring[rxring_idx].buffer_desc
schedule_work(&rtlpriv->works.lps_change_work);
}
end:
+ skb = new_skb;
+no_new:
if (rtlpriv->use_new_trx_flow) {
- _rtl_pci_init_one_rxdesc(hw, (u8 *)buffer_desc,
+ _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)buffer_desc,
rxring_idx,
- rtlpci->rx_ring[rxring_idx].idx);
+ rtlpci->rx_ring[rxring_idx].idx);
} else {
- _rtl_pci_init_one_rxdesc(hw, (u8 *)pdesc, rxring_idx,
+ _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)pdesc,
+ rxring_idx,
rtlpci->rx_ring[rxring_idx].idx);
-
if (rtlpci->rx_ring[rxring_idx].idx ==
rtlpci->rxringcount - 1)
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc,
rtlpci->rx_ring[rxring_idx].idx = 0;
for (i = 0; i < rtlpci->rxringcount; i++) {
entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i];
- if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+ if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
rxring_idx, i))
return -ENOMEM;
}
for (i = 0; i < rtlpci->rxringcount; i++) {
entry = &rtlpci->rx_ring[rxring_idx].desc[i];
- if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+ if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
rxring_idx, i))
return -ENOMEM;
}
#define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3)
struct netfront_stats {
- u64 rx_packets;
- u64 tx_packets;
- u64 rx_bytes;
- u64 tx_bytes;
+ u64 packets;
+ u64 bytes;
struct u64_stats_sync syncp;
};
struct netfront_queue *queues;
/* Statistics */
- struct netfront_stats __percpu *stats;
+ struct netfront_stats __percpu *rx_stats;
+ struct netfront_stats __percpu *tx_stats;
atomic_t rx_gso_checksum_fixup;
};
{
unsigned short id;
struct netfront_info *np = netdev_priv(dev);
- struct netfront_stats *stats = this_cpu_ptr(np->stats);
+ struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats);
struct xen_netif_tx_request *tx;
char *data = skb->data;
RING_IDX i;
if (notify)
notify_remote_via_irq(queue->tx_irq);
- u64_stats_update_begin(&stats->syncp);
- stats->tx_bytes += skb->len;
- stats->tx_packets++;
- u64_stats_update_end(&stats->syncp);
+ u64_stats_update_begin(&tx_stats->syncp);
+ tx_stats->bytes += skb->len;
+ tx_stats->packets++;
+ u64_stats_update_end(&tx_stats->syncp);
/* Note: It is not safe to access skb after xennet_tx_buf_gc()! */
xennet_tx_buf_gc(queue);
static int handle_incoming_queue(struct netfront_queue *queue,
struct sk_buff_head *rxq)
{
- struct netfront_stats *stats = this_cpu_ptr(queue->info->stats);
+ struct netfront_stats *rx_stats = this_cpu_ptr(queue->info->rx_stats);
int packets_dropped = 0;
struct sk_buff *skb;
continue;
}
- u64_stats_update_begin(&stats->syncp);
- stats->rx_packets++;
- stats->rx_bytes += skb->len;
- u64_stats_update_end(&stats->syncp);
+ u64_stats_update_begin(&rx_stats->syncp);
+ rx_stats->packets++;
+ rx_stats->bytes += skb->len;
+ u64_stats_update_end(&rx_stats->syncp);
/* Pass it up. */
napi_gro_receive(&queue->napi, skb);
int cpu;
for_each_possible_cpu(cpu) {
- struct netfront_stats *stats = per_cpu_ptr(np->stats, cpu);
+ struct netfront_stats *rx_stats = per_cpu_ptr(np->rx_stats, cpu);
+ struct netfront_stats *tx_stats = per_cpu_ptr(np->tx_stats, cpu);
u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
unsigned int start;
do {
- start = u64_stats_fetch_begin_irq(&stats->syncp);
+ start = u64_stats_fetch_begin_irq(&tx_stats->syncp);
+ tx_packets = tx_stats->packets;
+ tx_bytes = tx_stats->bytes;
+ } while (u64_stats_fetch_retry_irq(&tx_stats->syncp, start));
- rx_packets = stats->rx_packets;
- tx_packets = stats->tx_packets;
- rx_bytes = stats->rx_bytes;
- tx_bytes = stats->tx_bytes;
- } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+ do {
+ start = u64_stats_fetch_begin_irq(&rx_stats->syncp);
+ rx_packets = rx_stats->packets;
+ rx_bytes = rx_stats->bytes;
+ } while (u64_stats_fetch_retry_irq(&rx_stats->syncp, start));
tot->rx_packets += rx_packets;
tot->tx_packets += tx_packets;
#endif
};
+static void xennet_free_netdev(struct net_device *netdev)
+{
+ struct netfront_info *np = netdev_priv(netdev);
+
+ free_percpu(np->rx_stats);
+ free_percpu(np->tx_stats);
+ free_netdev(netdev);
+}
+
static struct net_device *xennet_create_dev(struct xenbus_device *dev)
{
int err;
np->queues = NULL;
err = -ENOMEM;
- np->stats = netdev_alloc_pcpu_stats(struct netfront_stats);
- if (np->stats == NULL)
+ np->rx_stats = netdev_alloc_pcpu_stats(struct netfront_stats);
+ if (np->rx_stats == NULL)
+ goto exit;
+ np->tx_stats = netdev_alloc_pcpu_stats(struct netfront_stats);
+ if (np->tx_stats == NULL)
goto exit;
netdev->netdev_ops = &xennet_netdev_ops;
return netdev;
exit:
- free_netdev(netdev);
+ xennet_free_netdev(netdev);
return ERR_PTR(err);
}
return 0;
fail:
- free_netdev(netdev);
+ xennet_free_netdev(netdev);
dev_set_drvdata(&dev->dev, NULL);
return err;
}
info->queues = NULL;
}
- free_percpu(info->stats);
-
- free_netdev(info->netdev);
+ xennet_free_netdev(info->netdev);
return 0;
}
*/
static inline int ap_test_config_domain(unsigned int domain)
{
- if (!ap_configuration)
- return 1;
- return ap_test_config(ap_configuration->aqm, domain);
+ if (!ap_configuration) /* QCI not supported */
+ if (domain < 16)
+ return 1; /* then domains 0...15 are configured */
+ else
+ return 0;
+ else
+ return ap_test_config(ap_configuration->aqm, domain);
}
/**
goto reject;
}
if (!strncmp("=All", text_ptr, 4)) {
- cmd->cmd_flags |= IFC_SENDTARGETS_ALL;
+ cmd->cmd_flags |= ICF_SENDTARGETS_ALL;
} else if (!strncmp("=iqn.", text_ptr, 5) ||
!strncmp("=eui.", text_ptr, 5)) {
- cmd->cmd_flags |= IFC_SENDTARGETS_SINGLE;
+ cmd->cmd_flags |= ICF_SENDTARGETS_SINGLE;
} else {
pr_err("Unable to locate valid SendTargets=%s value\n", text_ptr);
goto reject;
return -ENOMEM;
}
/*
- * Locate pointer to iqn./eui. string for IFC_SENDTARGETS_SINGLE
+ * Locate pointer to iqn./eui. string for ICF_SENDTARGETS_SINGLE
* explicit case..
*/
- if (cmd->cmd_flags & IFC_SENDTARGETS_SINGLE) {
+ if (cmd->cmd_flags & ICF_SENDTARGETS_SINGLE) {
text_ptr = strchr(text_in, '=');
if (!text_ptr) {
pr_err("Unable to locate '=' string in text_in:"
spin_lock(&tiqn_lock);
list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {
- if ((cmd->cmd_flags & IFC_SENDTARGETS_SINGLE) &&
+ if ((cmd->cmd_flags & ICF_SENDTARGETS_SINGLE) &&
strcmp(tiqn->tiqn, text_ptr)) {
continue;
}
if (end_of_buf)
break;
- if (cmd->cmd_flags & IFC_SENDTARGETS_SINGLE)
+ if (cmd->cmd_flags & ICF_SENDTARGETS_SINGLE)
break;
}
spin_unlock(&tiqn_lock);
ICF_CONTIG_MEMORY = 0x00000020,
ICF_ATTACHED_TO_RQUEUE = 0x00000040,
ICF_OOO_CMDSN = 0x00000080,
- IFC_SENDTARGETS_ALL = 0x00000100,
- IFC_SENDTARGETS_SINGLE = 0x00000200,
+ ICF_SENDTARGETS_ALL = 0x00000100,
+ ICF_SENDTARGETS_SINGLE = 0x00000200,
};
/* struct iscsi_cmd->i_state */
}
EXPORT_SYMBOL(se_dev_set_queue_depth);
-int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors)
-{
- int block_size = dev->dev_attrib.block_size;
-
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device"
- " fabric_max_sectors while export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
- if (!fabric_max_sectors) {
- pr_err("dev[%p]: Illegal ZERO value for"
- " fabric_max_sectors\n", dev);
- return -EINVAL;
- }
- if (fabric_max_sectors < DA_STATUS_MAX_SECTORS_MIN) {
- pr_err("dev[%p]: Passed fabric_max_sectors: %u less than"
- " DA_STATUS_MAX_SECTORS_MIN: %u\n", dev, fabric_max_sectors,
- DA_STATUS_MAX_SECTORS_MIN);
- return -EINVAL;
- }
- if (fabric_max_sectors > DA_STATUS_MAX_SECTORS_MAX) {
- pr_err("dev[%p]: Passed fabric_max_sectors: %u"
- " greater than DA_STATUS_MAX_SECTORS_MAX:"
- " %u\n", dev, fabric_max_sectors,
- DA_STATUS_MAX_SECTORS_MAX);
- return -EINVAL;
- }
- /*
- * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
- */
- if (!block_size) {
- block_size = 512;
- pr_warn("Defaulting to 512 for zero block_size\n");
- }
- fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors,
- block_size);
-
- dev->dev_attrib.fabric_max_sectors = fabric_max_sectors;
- pr_debug("dev[%p]: SE Device max_sectors changed to %u\n",
- dev, fabric_max_sectors);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_fabric_max_sectors);
-
int se_dev_set_optimal_sectors(struct se_device *dev, u32 optimal_sectors)
{
if (dev->export_count) {
dev, dev->export_count);
return -EINVAL;
}
- if (optimal_sectors > dev->dev_attrib.fabric_max_sectors) {
+ if (optimal_sectors > dev->dev_attrib.hw_max_sectors) {
pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
- " greater than fabric_max_sectors: %u\n", dev,
- optimal_sectors, dev->dev_attrib.fabric_max_sectors);
+ " greater than hw_max_sectors: %u\n", dev,
+ optimal_sectors, dev->dev_attrib.hw_max_sectors);
return -EINVAL;
}
dev->dev_attrib.unmap_granularity_alignment =
DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT;
dev->dev_attrib.max_write_same_len = DA_MAX_WRITE_SAME_LEN;
- dev->dev_attrib.fabric_max_sectors = DA_FABRIC_MAX_SECTORS;
- dev->dev_attrib.optimal_sectors = DA_FABRIC_MAX_SECTORS;
xcopy_lun = &dev->xcopy_lun;
xcopy_lun->lun_se_dev = dev;
dev->dev_attrib.hw_max_sectors =
se_dev_align_max_sectors(dev->dev_attrib.hw_max_sectors,
dev->dev_attrib.hw_block_size);
+ dev->dev_attrib.optimal_sectors = dev->dev_attrib.hw_max_sectors;
dev->dev_index = scsi_get_new_index(SCSI_DEVICE_INDEX);
dev->creation_time = get_jiffies_64();
struct fd_prot fd_prot;
sense_reason_t rc;
int ret = 0;
-
+ /*
+ * We are currently limited by the number of iovecs (2048) per
+ * single vfs_[writev,readv] call.
+ */
+ if (cmd->data_length > FD_MAX_BYTES) {
+ pr_err("FILEIO: Not able to process I/O of %u bytes due to"
+ "FD_MAX_BYTES: %u iovec count limitiation\n",
+ cmd->data_length, FD_MAX_BYTES);
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
/*
* Call vectorized fileio functions to map struct scatterlist
* physical memory addresses to struct iovec virtual memory.
&fileio_dev_attrib_hw_block_size.attr,
&fileio_dev_attrib_block_size.attr,
&fileio_dev_attrib_hw_max_sectors.attr,
- &fileio_dev_attrib_fabric_max_sectors.attr,
&fileio_dev_attrib_optimal_sectors.attr,
&fileio_dev_attrib_hw_queue_depth.attr,
&fileio_dev_attrib_queue_depth.attr,
q = bdev_get_queue(bd);
dev->dev_attrib.hw_block_size = bdev_logical_block_size(bd);
- dev->dev_attrib.hw_max_sectors = UINT_MAX;
+ dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
dev->dev_attrib.hw_queue_depth = q->nr_requests;
/*
&iblock_dev_attrib_hw_block_size.attr,
&iblock_dev_attrib_block_size.attr,
&iblock_dev_attrib_hw_max_sectors.attr,
- &iblock_dev_attrib_fabric_max_sectors.attr,
&iblock_dev_attrib_optimal_sectors.attr,
&iblock_dev_attrib_hw_queue_depth.attr,
&iblock_dev_attrib_queue_depth.attr,
return 0;
}
+ } else if (we && registered_nexus) {
+ /*
+ * Reads are allowed for Write Exclusive locks
+ * from all registrants.
+ */
+ if (cmd->data_direction == DMA_FROM_DEVICE) {
+ pr_debug("Allowing READ CDB: 0x%02x for %s"
+ " reservation\n", cdb[0],
+ core_scsi3_pr_dump_type(pr_reg_type));
+
+ return 0;
+ }
}
pr_debug("%s Conflict for %sregistered nexus %s CDB: 0x%2x"
" for %s reservation\n", transport_dump_cmd_direction(cmd),
&rd_mcp_dev_attrib_hw_block_size.attr,
&rd_mcp_dev_attrib_block_size.attr,
&rd_mcp_dev_attrib_hw_max_sectors.attr,
- &rd_mcp_dev_attrib_fabric_max_sectors.attr,
&rd_mcp_dev_attrib_optimal_sectors.attr,
&rd_mcp_dev_attrib_hw_queue_depth.attr,
&rd_mcp_dev_attrib_queue_depth.attr,
if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) {
unsigned long long end_lba;
-
- if (sectors > dev->dev_attrib.fabric_max_sectors) {
- printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
- " big sectors %u exceeds fabric_max_sectors:"
- " %u\n", cdb[0], sectors,
- dev->dev_attrib.fabric_max_sectors);
- return TCM_INVALID_CDB_FIELD;
- }
- if (sectors > dev->dev_attrib.hw_max_sectors) {
- printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
- " big sectors %u exceeds backend hw_max_sectors:"
- " %u\n", cdb[0], sectors,
- dev->dev_attrib.hw_max_sectors);
- return TCM_INVALID_CDB_FIELD;
- }
check_lba:
end_lba = dev->transport->get_blocks(dev) + 1;
if (cmd->t_task_lba + sectors > end_lba) {
spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)
{
struct se_device *dev = cmd->se_dev;
- u32 max_sectors;
int have_tp = 0;
int opt, min;
/*
* Set MAXIMUM TRANSFER LENGTH
*/
- max_sectors = min(dev->dev_attrib.fabric_max_sectors,
- dev->dev_attrib.hw_max_sectors);
- put_unaligned_be32(max_sectors, &buf[8]);
+ put_unaligned_be32(dev->dev_attrib.hw_max_sectors, &buf[8]);
/*
* Set OPTIMAL TRANSFER LENGTH
&tcmu_dev_attrib_hw_block_size.attr,
&tcmu_dev_attrib_block_size.attr,
&tcmu_dev_attrib_hw_max_sectors.attr,
- &tcmu_dev_attrib_fabric_max_sectors.attr,
&tcmu_dev_attrib_optimal_sectors.attr,
&tcmu_dev_attrib_hw_queue_depth.attr,
&tcmu_dev_attrib_queue_depth.attr,
regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_MEASURE_TEMP);
regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_POWER_DOWN);
data->mode = THERMAL_DEVICE_DISABLED;
+ clk_disable_unprepare(data->thermal_clk);
return 0;
}
struct imx_thermal_data *data = dev_get_drvdata(dev);
struct regmap *map = data->tempmon;
+ clk_prepare_enable(data->thermal_clk);
/* Enabled thermal sensor after resume */
regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN);
regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP);
continue;
result = acpi_bus_get_device(trt->source, &adev);
- if (!result)
- acpi_create_platform_device(adev);
- else
+ if (result)
pr_warn("Failed to get source ACPI device\n");
result = acpi_bus_get_device(trt->target, &adev);
- if (!result)
- acpi_create_platform_device(adev);
- else
+ if (result)
pr_warn("Failed to get target ACPI device\n");
}
if (art->source) {
result = acpi_bus_get_device(art->source, &adev);
- if (!result)
- acpi_create_platform_device(adev);
- else
+ if (result)
pr_warn("Failed to get source ACPI device\n");
}
if (art->target) {
result = acpi_bus_get_device(art->target, &adev);
- if (!result)
- acpi_create_platform_device(adev);
- else
+ if (result)
pr_warn("Failed to get source ACPI device\n");
}
}
int ret;
adev = ACPI_COMPANION(dev);
+ if (!adev)
+ return -ENODEV;
status = acpi_evaluate_object(adev->handle, "PPCC", NULL, &buf);
if (ACPI_FAILURE(status))
*
* Return: pointer to trip points table, NULL otherwise
*/
-const struct thermal_trip * const
+const struct thermal_trip *
of_thermal_get_trip_points(struct thermal_zone_device *tz)
{
struct __thermal_zone *data = tz->devdata;
struct mutex lock;
struct list_head list;
int id;
- int ctemp;
+ u32 ctemp;
};
#define rcar_thermal_for_each_priv(pos, common) \
{
struct device *dev = rcar_priv_to_dev(priv);
int i;
- int ctemp, old, new;
+ u32 ctemp, old, new;
int ret = -EINVAL;
mutex_lock(&priv->lock);
int i;
int ret = -ENODEV;
int idle = IDLE_INTERVAL;
+ u32 enr_bits = 0;
common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL);
if (!common)
/*
* platform has IRQ support.
- * Then, drier use common register
+ * Then, driver uses common registers
*/
ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
if (IS_ERR(common->base))
return PTR_ERR(common->base);
- /* enable temperature comparation */
- rcar_thermal_common_write(common, ENR, 0x00030303);
-
idle = 0; /* polling delay is not needed */
}
rcar_thermal_irq_enable(priv);
list_move_tail(&priv->list, &common->head);
+
+ /* update ENR bits */
+ enr_bits |= 3 << (i * 8);
}
+ /* enable temperature comparation */
+ if (irq)
+ rcar_thermal_common_write(common, ENR, enr_bits);
+
platform_set_drvdata(pdev, common);
dev_info(dev, "%d sensor probed\n", i);
void of_thermal_destroy_zones(void);
int of_thermal_get_ntrips(struct thermal_zone_device *);
bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
-const struct thermal_trip * const
+const struct thermal_trip *
of_thermal_get_trip_points(struct thermal_zone_device *);
#else
static inline int of_parse_thermal_zones(void) { return 0; }
{
return 0;
}
-static inline const struct thermal_trip * const
+static inline const struct thermal_trip *
of_thermal_get_trip_points(struct thermal_zone_device *tz)
{
return NULL;
return 0;
}
+static int vhost_scsi_to_tcm_attr(int attr)
+{
+ switch (attr) {
+ case VIRTIO_SCSI_S_SIMPLE:
+ return TCM_SIMPLE_TAG;
+ case VIRTIO_SCSI_S_ORDERED:
+ return TCM_ORDERED_TAG;
+ case VIRTIO_SCSI_S_HEAD:
+ return TCM_HEAD_TAG;
+ case VIRTIO_SCSI_S_ACA:
+ return TCM_ACA_TAG;
+ default:
+ break;
+ }
+ return TCM_SIMPLE_TAG;
+}
+
static void tcm_vhost_submission_work(struct work_struct *work)
{
struct tcm_vhost_cmd *cmd =
rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess,
cmd->tvc_cdb, &cmd->tvc_sense_buf[0],
cmd->tvc_lun, cmd->tvc_exp_data_len,
- cmd->tvc_task_attr, cmd->tvc_data_direction,
- TARGET_SCF_ACK_KREF, sg_ptr, cmd->tvc_sgl_count,
- NULL, 0, sg_prot_ptr, cmd->tvc_prot_sgl_count);
+ vhost_scsi_to_tcm_attr(cmd->tvc_task_attr),
+ cmd->tvc_data_direction, TARGET_SCF_ACK_KREF,
+ sg_ptr, cmd->tvc_sgl_count, NULL, 0, sg_prot_ptr,
+ cmd->tvc_prot_sgl_count);
if (rc < 0) {
transport_send_check_condition_and_sense(se_cmd,
TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
err = broadsheet_spiflash_read_range(par, start_sector_addr,
data_start_addr, sector_buffer);
if (err)
- return err;
+ goto out;
}
/* now we copy our data into the right place in the sector buffer */
err = broadsheet_spiflash_read_range(par, tail_start_addr,
tail_len, sector_buffer + tail_start_addr);
if (err)
- return err;
+ goto out;
}
/* if we got here we have the full sector that we want to rewrite. */
/* first erase the sector */
err = broadsheet_spiflash_erase_sector(par, start_sector_addr);
if (err)
- return err;
+ goto out;
/* now write it */
err = broadsheet_spiflash_write_sector(par, start_sector_addr,
sector_buffer, sector_size);
+out:
+ kfree(sector_buffer);
return err;
}
if (ret)
return ret;
- if (IS_ENABLED(CONFIG_OF) && of_chosen) {
+ if (IS_ENABLED(CONFIG_OF_ADDRESS) && of_chosen) {
for_each_child_of_node(of_chosen, np) {
if (of_device_is_compatible(np, "simple-framebuffer"))
of_platform_device_create(np, NULL, NULL);
req->in.h.pid = current->pid;
}
+void fuse_set_initialized(struct fuse_conn *fc)
+{
+ /* Make sure stores before this are seen on another CPU */
+ smp_wmb();
+ fc->initialized = 1;
+}
+
static bool fuse_block_alloc(struct fuse_conn *fc, bool for_background)
{
return !fc->initialized || (for_background && fc->blocked);
if (intr)
goto out;
}
+ /* Matches smp_wmb() in fuse_set_initialized() */
+ smp_rmb();
err = -ENOTCONN;
if (!fc->connected)
atomic_inc(&fc->num_waiting);
wait_event(fc->blocked_waitq, fc->initialized);
+ /* Matches smp_wmb() in fuse_set_initialized() */
+ smp_rmb();
req = fuse_request_alloc(0);
if (!req)
req = get_reserved_req(fc, file);
}
EXPORT_SYMBOL_GPL(fuse_request_send);
+static void fuse_adjust_compat(struct fuse_conn *fc, struct fuse_args *args)
+{
+ if (fc->minor < 4 && args->in.h.opcode == FUSE_STATFS)
+ args->out.args[0].size = FUSE_COMPAT_STATFS_SIZE;
+
+ if (fc->minor < 9) {
+ switch (args->in.h.opcode) {
+ case FUSE_LOOKUP:
+ case FUSE_CREATE:
+ case FUSE_MKNOD:
+ case FUSE_MKDIR:
+ case FUSE_SYMLINK:
+ case FUSE_LINK:
+ args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
+ break;
+ case FUSE_GETATTR:
+ case FUSE_SETATTR:
+ args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
+ break;
+ }
+ }
+ if (fc->minor < 12) {
+ switch (args->in.h.opcode) {
+ case FUSE_CREATE:
+ args->in.args[0].size = sizeof(struct fuse_open_in);
+ break;
+ case FUSE_MKNOD:
+ args->in.args[0].size = FUSE_COMPAT_MKNOD_IN_SIZE;
+ break;
+ }
+ }
+}
+
ssize_t fuse_simple_request(struct fuse_conn *fc, struct fuse_args *args)
{
struct fuse_req *req;
if (IS_ERR(req))
return PTR_ERR(req);
+ /* Needs to be done after fuse_get_req() so that fc->minor is valid */
+ fuse_adjust_compat(fc, args);
+
req->in.h.opcode = args->in.h.opcode;
req->in.h.nodeid = args->in.h.nodeid;
req->in.numargs = args->in.numargs;
if (fc->connected) {
fc->connected = 0;
fc->blocked = 0;
- fc->initialized = 1;
+ fuse_set_initialized(fc);
end_io_requests(fc);
end_queued_requests(fc);
end_polls(fc);
spin_lock(&fc->lock);
fc->connected = 0;
fc->blocked = 0;
- fc->initialized = 1;
+ fuse_set_initialized(fc);
end_queued_requests(fc);
end_polls(fc);
wake_up_all(&fc->blocked_waitq);
args->in.args[0].size = name->len + 1;
args->in.args[0].value = name->name;
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(struct fuse_entry_out);
+ args->out.args[0].size = sizeof(struct fuse_entry_out);
args->out.args[0].value = outarg;
}
args.in.h.opcode = FUSE_CREATE;
args.in.h.nodeid = get_node_id(dir);
args.in.numargs = 2;
- args.in.args[0].size = fc->minor < 12 ? sizeof(struct fuse_open_in) :
- sizeof(inarg);
+ args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.in.args[1].size = entry->d_name.len + 1;
args.in.args[1].value = entry->d_name.name;
args.out.numargs = 2;
- if (fc->minor < 9)
- args.out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args.out.args[0].size = sizeof(outentry);
+ args.out.args[0].size = sizeof(outentry);
args.out.args[0].value = &outentry;
args.out.args[1].size = sizeof(outopen);
args.out.args[1].value = &outopen;
memset(&outarg, 0, sizeof(outarg));
args->in.h.nodeid = get_node_id(dir);
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(outarg);
+ args->out.args[0].size = sizeof(outarg);
args->out.args[0].value = &outarg;
err = fuse_simple_request(fc, args);
if (err)
inarg.umask = current_umask();
args.in.h.opcode = FUSE_MKNOD;
args.in.numargs = 2;
- args.in.args[0].size = fc->minor < 12 ? FUSE_COMPAT_MKNOD_IN_SIZE :
- sizeof(inarg);
+ args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.in.args[1].size = entry->d_name.len + 1;
args.in.args[1].value = entry->d_name.name;
args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.out.numargs = 1;
- if (fc->minor < 9)
- args.out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
- else
- args.out.args[0].size = sizeof(outarg);
+ args.out.args[0].size = sizeof(outarg);
args.out.args[0].value = &outarg;
err = fuse_simple_request(fc, &args);
if (!err) {
args->in.args[0].size = sizeof(*inarg_p);
args->in.args[0].value = inarg_p;
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(*outarg_p);
+ args->out.args[0].size = sizeof(*outarg_p);
args->out.args[0].value = outarg_p;
}
int fuse_do_setattr(struct inode *inode, struct iattr *attr,
struct file *file);
+void fuse_set_initialized(struct fuse_conn *fc);
+
#endif /* _FS_FUSE_I_H */
args.in.h.opcode = FUSE_STATFS;
args.in.h.nodeid = get_node_id(dentry->d_inode);
args.out.numargs = 1;
- args.out.args[0].size =
- fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
+ args.out.args[0].size = sizeof(outarg);
args.out.args[0].value = &outarg;
err = fuse_simple_request(fc, &args);
if (!err)
fc->max_write = max_t(unsigned, 4096, fc->max_write);
fc->conn_init = 1;
}
- fc->initialized = 1;
+ fuse_set_initialized(fc);
wake_up_all(&fc->blocked_waitq);
}
dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
- if (!nlm_timeout)
- nlm_timeout = LOCKD_DFLT_TIMEO;
- nlmsvc_timeout = nlm_timeout * HZ;
-
/*
* The main request loop. We don't terminate until the last
* NFS mount or NFS daemon has gone away.
printk(KERN_WARNING
"lockd_up: no pid, %d users??\n", nlmsvc_users);
+ if (!nlm_timeout)
+ nlm_timeout = LOCKD_DFLT_TIMEO;
+ nlmsvc_timeout = nlm_timeout * HZ;
+
serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, svc_rpcb_cleanup);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
break;
}
trace_generic_delete_lease(inode, fl);
- if (fl)
+ if (fl && IS_LEASE(fl))
error = fl->fl_lmops->lm_change(before, F_UNLCK, &dispose);
spin_unlock(&inode->i_lock);
locks_dispose_list(&dispose);
kfree(clp->cl_serverowner);
kfree(clp->cl_serverscope);
kfree(clp->cl_implid);
+ kfree(clp->cl_owner_id);
}
void nfs4_free_client(struct nfs_client *clp)
spin_unlock(&nn->nfs_client_lock);
}
+static bool nfs4_match_client_owner_id(const struct nfs_client *clp1,
+ const struct nfs_client *clp2)
+{
+ if (clp1->cl_owner_id == NULL || clp2->cl_owner_id == NULL)
+ return true;
+ return strcmp(clp1->cl_owner_id, clp2->cl_owner_id) == 0;
+}
+
/**
* nfs40_walk_client_list - Find server that recognizes a client ID
*
if (pos->rpc_ops != new->rpc_ops)
continue;
- if (pos->cl_proto != new->cl_proto)
- continue;
-
if (pos->cl_minorversion != new->cl_minorversion)
continue;
if (pos->cl_clientid != new->cl_clientid)
continue;
+ if (!nfs4_match_client_owner_id(pos, new))
+ continue;
+
atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
}
/*
- * Returns true if the server owners match
+ * Returns true if the server major ids match
*/
static bool
-nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b)
+nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
{
struct nfs41_server_owner *o1 = a->cl_serverowner;
struct nfs41_server_owner *o2 = b->cl_serverowner;
- if (o1->minor_id != o2->minor_id) {
- dprintk("NFS: --> %s server owner minor IDs do not match\n",
- __func__);
- return false;
- }
-
if (o1->major_id_sz != o2->major_id_sz)
goto out_major_mismatch;
if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
if (pos->rpc_ops != new->rpc_ops)
continue;
- if (pos->cl_proto != new->cl_proto)
- continue;
-
if (pos->cl_minorversion != new->cl_minorversion)
continue;
if (!nfs4_match_clientids(pos, new))
continue;
- if (!nfs4_match_serverowners(pos, new))
+ /*
+ * Note that session trunking is just a special subcase of
+ * client id trunking. In either case, we want to fall back
+ * to using the existing nfs_client.
+ */
+ if (!nfs4_check_clientid_trunking(pos, new))
+ continue;
+
+ /* Unlike NFSv4.0, we know that NFSv4.1 always uses the
+ * uniform string, however someone might switch the
+ * uniquifier string on us.
+ */
+ if (!nfs4_match_client_owner_id(pos, new))
continue;
atomic_inc(&pos->cl_count);
return 0;
if ((delegation->type & fmode) != fmode)
return 0;
- if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
- return 0;
if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))
return 0;
nfs_mark_delegation_referenced(delegation);
}
static unsigned int
-nfs4_init_nonuniform_client_string(const struct nfs_client *clp,
+nfs4_init_nonuniform_client_string(struct nfs_client *clp,
char *buf, size_t len)
{
unsigned int result;
+ if (clp->cl_owner_id != NULL)
+ return strlcpy(buf, clp->cl_owner_id, len);
+
rcu_read_lock();
result = scnprintf(buf, len, "Linux NFSv4.0 %s/%s %s",
clp->cl_ipaddr,
rpc_peeraddr2str(clp->cl_rpcclient,
RPC_DISPLAY_PROTO));
rcu_read_unlock();
+ clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
return result;
}
static unsigned int
-nfs4_init_uniform_client_string(const struct nfs_client *clp,
+nfs4_init_uniform_client_string(struct nfs_client *clp,
char *buf, size_t len)
{
const char *nodename = clp->cl_rpcclient->cl_nodename;
+ unsigned int result;
+
+ if (clp->cl_owner_id != NULL)
+ return strlcpy(buf, clp->cl_owner_id, len);
if (nfs4_client_id_uniquifier[0] != '\0')
- return scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
+ result = scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
clp->rpc_ops->version,
clp->cl_minorversion,
nfs4_client_id_uniquifier,
nodename);
- return scnprintf(buf, len, "Linux NFSv%u.%u %s",
+ else
+ result = scnprintf(buf, len, "Linux NFSv%u.%u %s",
clp->rpc_ops->version, clp->cl_minorversion,
nodename);
+ clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
+ return result;
}
/*
static inline void __tlb_reset_range(struct mmu_gather *tlb)
{
- tlb->start = TASK_SIZE;
- tlb->end = 0;
+ if (tlb->fullmm) {
+ tlb->start = tlb->end = ~0;
+ } else {
+ tlb->start = TASK_SIZE;
+ tlb->end = 0;
+ }
}
/*
unsigned long flags; /* BLK_MQ_F_* flags */
struct request_queue *queue;
- unsigned int queue_num;
struct blk_flush_queue *fq;
void *driver_data;
unsigned long dispatched[BLK_MQ_MAX_DISPATCH_ORDER];
unsigned int numa_node;
- unsigned int cmd_size; /* per-request extra data */
+ unsigned int queue_num;
atomic_t nr_active;
struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index);
struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *, unsigned int, int);
+int blk_mq_request_started(struct request *rq);
void blk_mq_start_request(struct request *rq);
void blk_mq_end_request(struct request *rq, int error);
void __blk_mq_end_request(struct request *rq, int error);
void blk_mq_requeue_request(struct request *rq);
void blk_mq_add_to_requeue_list(struct request *rq, bool at_head);
+void blk_mq_cancel_requeue_work(struct request_queue *q);
void blk_mq_kick_requeue_list(struct request_queue *q);
+void blk_mq_abort_requeue_list(struct request_queue *q);
void blk_mq_complete_request(struct request *rq);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv);
+void blk_mq_unfreeze_queue(struct request_queue *q);
+void blk_mq_freeze_queue_start(struct request_queue *q);
/*
* Driver command data is immediately after the request. So subtract request
__REQ_PM, /* runtime pm request */
__REQ_HASHED, /* on IO scheduler merge hash */
__REQ_MQ_INFLIGHT, /* track inflight for MQ */
+ __REQ_NO_TIMEOUT, /* requests may never expire */
__REQ_NR_BITS, /* stops here */
};
#define REQ_PM (1ULL << __REQ_PM)
#define REQ_HASHED (1ULL << __REQ_HASHED)
#define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT)
+#define REQ_NO_TIMEOUT (1ULL << __REQ_NO_TIMEOUT)
#endif /* __LINUX_BLK_TYPES_H */
}
}
-static __always_inline void __assign_once_size(volatile void *p, void *res, int size)
+static __always_inline void __write_once_size(volatile void *p, void *res, int size)
{
switch (size) {
case 1: *(volatile __u8 *)p = *(__u8 *)res; break;
/*
* Prevent the compiler from merging or refetching reads or writes. The
* compiler is also forbidden from reordering successive instances of
- * READ_ONCE, ASSIGN_ONCE and ACCESS_ONCE (see below), but only when the
+ * READ_ONCE, WRITE_ONCE and ACCESS_ONCE (see below), but only when the
* compiler is aware of some particular ordering. One way to make the
* compiler aware of ordering is to put the two invocations of READ_ONCE,
- * ASSIGN_ONCE or ACCESS_ONCE() in different C statements.
+ * WRITE_ONCE or ACCESS_ONCE() in different C statements.
*
* In contrast to ACCESS_ONCE these two macros will also work on aggregate
* data types like structs or unions. If the size of the accessed data
* type exceeds the word size of the machine (e.g., 32 bits or 64 bits)
- * READ_ONCE() and ASSIGN_ONCE() will fall back to memcpy and print a
+ * READ_ONCE() and WRITE_ONCE() will fall back to memcpy and print a
* compile-time warning.
*
* Their two major use cases are: (1) Mediating communication between
#define READ_ONCE(x) \
({ typeof(x) __val; __read_once_size(&x, &__val, sizeof(__val)); __val; })
-#define ASSIGN_ONCE(val, x) \
- ({ typeof(x) __val; __val = val; __assign_once_size(&x, &__val, sizeof(__val)); __val; })
+#define WRITE_ONCE(x, val) \
+ ({ typeof(x) __val; __val = val; __write_once_size(&x, &__val, sizeof(__val)); __val; })
#endif /* __KERNEL__ */
#define SDHCI_SDR104_NEEDS_TUNING (1<<10) /* SDR104/HS200 needs tuning */
#define SDHCI_USING_RETUNING_TIMER (1<<11) /* Host is using a retuning timer for the card */
#define SDHCI_USE_64_BIT_DMA (1<<12) /* Use 64-bit DMA */
+#define SDHCI_HS400_TUNING (1<<13) /* Tuning for HS400 */
unsigned int version; /* SDHCI spec. version */
* 3. Update dev->stats asynchronously and atomically, and define
* neither operation.
*
- * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, __be16 proto, u16t vid);
+ * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, __be16 proto, u16 vid);
* If device support VLAN filtering this function is called when a
* VLAN id is registered.
*
- * int (*ndo_vlan_rx_kill_vid)(struct net_device *dev, unsigned short vid);
+ * int (*ndo_vlan_rx_kill_vid)(struct net_device *dev, __be16 proto, u16 vid);
* If device support VLAN filtering this function is called when a
* VLAN id is unregistered.
*
list_for_each_entry_continue_rcu(d, &(net)->dev_base_head, dev_list)
#define for_each_netdev_in_bond_rcu(bond, slave) \
for_each_netdev_rcu(&init_net, slave) \
- if (netdev_master_upper_dev_get_rcu(slave) == bond)
+ if (netdev_master_upper_dev_get_rcu(slave) == (bond))
#define net_device_entry(lh) list_entry(lh, struct net_device, dev_list)
static inline struct net_device *next_net_device(struct net_device *dev)
/* idmapper */
struct idmap * cl_idmap;
+ /* Client owner identifier */
+ const char * cl_owner_id;
+
/* Our own IP address, as a null-terminated string.
* This is used to generate the mv0 callback address.
*/
int se_dev_set_emulate_rest_reord(struct se_device *dev, int);
int se_dev_set_queue_depth(struct se_device *, u32);
int se_dev_set_max_sectors(struct se_device *, u32);
-int se_dev_set_fabric_max_sectors(struct se_device *, u32);
int se_dev_set_optimal_sectors(struct se_device *, u32);
int se_dev_set_block_size(struct se_device *, u32);
TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \
DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \
TB_DEV_ATTR_RO(_backend, hw_max_sectors); \
- DEF_TB_DEV_ATTRIB(_backend, fabric_max_sectors); \
- TB_DEV_ATTR(_backend, fabric_max_sectors, S_IRUGO | S_IWUSR); \
DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \
TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \
DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \
#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0
/* Default max_write_same_len, disabled by default */
#define DA_MAX_WRITE_SAME_LEN 0
-/* Default max transfer length */
-#define DA_FABRIC_MAX_SECTORS 8192
/* Use a model alias based on the configfs backend device name */
#define DA_EMULATE_MODEL_ALIAS 0
/* Emulation for Direct Page Out */
u32 hw_block_size;
u32 block_size;
u32 hw_max_sectors;
- u32 fabric_max_sectors;
u32 optimal_sectors;
u32 hw_queue_depth;
u32 queue_depth;
OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */
OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_*
attributes. */
+ OVS_PACKET_ATTR_UNUSED1,
+ OVS_PACKET_ATTR_UNUSED2,
+ OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe,
+ error logging should be suppressed. */
__OVS_PACKET_ATTR_MAX
};
--- /dev/null
+/******************************************************************************
+ * nmi.h
+ *
+ * NMI callback registration and reason codes.
+ *
+ * Copyright (c) 2005, Keir Fraser <keir@xensource.com>
+ */
+
+#ifndef __XEN_PUBLIC_NMI_H__
+#define __XEN_PUBLIC_NMI_H__
+
+#include <xen/interface/xen.h>
+
+/*
+ * NMI reason codes:
+ * Currently these are x86-specific, stored in arch_shared_info.nmi_reason.
+ */
+ /* I/O-check error reported via ISA port 0x61, bit 6. */
+#define _XEN_NMIREASON_io_error 0
+#define XEN_NMIREASON_io_error (1UL << _XEN_NMIREASON_io_error)
+ /* PCI SERR reported via ISA port 0x61, bit 7. */
+#define _XEN_NMIREASON_pci_serr 1
+#define XEN_NMIREASON_pci_serr (1UL << _XEN_NMIREASON_pci_serr)
+ /* Unknown hardware-generated NMI. */
+#define _XEN_NMIREASON_unknown 2
+#define XEN_NMIREASON_unknown (1UL << _XEN_NMIREASON_unknown)
+
+/*
+ * long nmi_op(unsigned int cmd, void *arg)
+ * NB. All ops return zero on success, else a negative error code.
+ */
+
+/*
+ * Register NMI callback for this (calling) VCPU. Currently this only makes
+ * sense for domain 0, vcpu 0. All other callers will be returned EINVAL.
+ * arg == pointer to xennmi_callback structure.
+ */
+#define XENNMI_register_callback 0
+struct xennmi_callback {
+ unsigned long handler_address;
+ unsigned long pad;
+};
+DEFINE_GUEST_HANDLE_STRUCT(xennmi_callback);
+
+/*
+ * Deregister NMI callback for this (calling) VCPU.
+ * arg == NULL.
+ */
+#define XENNMI_unregister_callback 1
+
+#endif /* __XEN_PUBLIC_NMI_H__ */
}
static void ftrace_run_modify_code(struct ftrace_ops *ops, int command,
- struct ftrace_hash *old_hash)
+ struct ftrace_ops_hash *old_hash)
{
ops->flags |= FTRACE_OPS_FL_MODIFYING;
- ops->old_hash.filter_hash = old_hash;
+ ops->old_hash.filter_hash = old_hash->filter_hash;
+ ops->old_hash.notrace_hash = old_hash->notrace_hash;
ftrace_run_update_code(command);
ops->old_hash.filter_hash = NULL;
+ ops->old_hash.notrace_hash = NULL;
ops->flags &= ~FTRACE_OPS_FL_MODIFYING;
}
static int ftrace_probe_registered;
-static void __enable_ftrace_function_probe(struct ftrace_hash *old_hash)
+static void __enable_ftrace_function_probe(struct ftrace_ops_hash *old_hash)
{
int ret;
int i;
register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
void *data)
{
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_func_probe *entry;
struct ftrace_hash **orig_hash = &trace_probe_ops.func_hash->filter_hash;
struct ftrace_hash *old_hash = *orig_hash;
mutex_lock(&trace_probe_ops.func_hash->regex_lock);
+ old_hash_ops.filter_hash = old_hash;
+ /* Probes only have filters */
+ old_hash_ops.notrace_hash = NULL;
+
hash = alloc_and_copy_ftrace_hash(FTRACE_HASH_DEFAULT_BITS, old_hash);
if (!hash) {
count = -ENOMEM;
ret = ftrace_hash_move(&trace_probe_ops, 1, orig_hash, hash);
- __enable_ftrace_function_probe(old_hash);
+ __enable_ftrace_function_probe(&old_hash_ops);
if (!ret)
free_ftrace_hash_rcu(old_hash);
}
static void ftrace_ops_update_code(struct ftrace_ops *ops,
- struct ftrace_hash *old_hash)
+ struct ftrace_ops_hash *old_hash)
{
- if (ops->flags & FTRACE_OPS_FL_ENABLED && ftrace_enabled)
+ struct ftrace_ops *op;
+
+ if (!ftrace_enabled)
+ return;
+
+ if (ops->flags & FTRACE_OPS_FL_ENABLED) {
ftrace_run_modify_code(ops, FTRACE_UPDATE_CALLS, old_hash);
+ return;
+ }
+
+ /*
+ * If this is the shared global_ops filter, then we need to
+ * check if there is another ops that shares it, is enabled.
+ * If so, we still need to run the modify code.
+ */
+ if (ops->func_hash != &global_ops.local_hash)
+ return;
+
+ do_for_each_ftrace_op(op, ftrace_ops_list) {
+ if (op->func_hash == &global_ops.local_hash &&
+ op->flags & FTRACE_OPS_FL_ENABLED) {
+ ftrace_run_modify_code(op, FTRACE_UPDATE_CALLS, old_hash);
+ /* Only need to do this once */
+ return;
+ }
+ } while_for_each_ftrace_op(op);
}
static int
unsigned long ip, int remove, int reset, int enable)
{
struct ftrace_hash **orig_hash;
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_hash *old_hash;
struct ftrace_hash *hash;
int ret;
mutex_lock(&ftrace_lock);
old_hash = *orig_hash;
+ old_hash_ops.filter_hash = ops->func_hash->filter_hash;
+ old_hash_ops.notrace_hash = ops->func_hash->notrace_hash;
ret = ftrace_hash_move(ops, enable, orig_hash, hash);
if (!ret) {
- ftrace_ops_update_code(ops, old_hash);
+ ftrace_ops_update_code(ops, &old_hash_ops);
free_ftrace_hash_rcu(old_hash);
}
mutex_unlock(&ftrace_lock);
int ftrace_regex_release(struct inode *inode, struct file *file)
{
struct seq_file *m = (struct seq_file *)file->private_data;
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_iterator *iter;
struct ftrace_hash **orig_hash;
struct ftrace_hash *old_hash;
mutex_lock(&ftrace_lock);
old_hash = *orig_hash;
+ old_hash_ops.filter_hash = iter->ops->func_hash->filter_hash;
+ old_hash_ops.notrace_hash = iter->ops->func_hash->notrace_hash;
ret = ftrace_hash_move(iter->ops, filter_hash,
orig_hash, iter->hash);
if (!ret) {
- ftrace_ops_update_code(iter->ops, old_hash);
+ ftrace_ops_update_code(iter->ops, &old_hash_ops);
free_ftrace_hash_rcu(old_hash);
}
mutex_unlock(&ftrace_lock);
tracepoint_printk = 0;
}
tracer_alloc_buffers();
- init_ftrace_syscalls();
trace_event_init();
}
return 0;
}
+static __init void
+early_enable_events(struct trace_array *tr, bool disable_first)
+{
+ char *buf = bootup_event_buf;
+ char *token;
+ int ret;
+
+ while (true) {
+ token = strsep(&buf, ",");
+
+ if (!token)
+ break;
+ if (!*token)
+ continue;
+
+ /* Restarting syscalls requires that we stop them first */
+ if (disable_first)
+ ftrace_set_clr_event(tr, token, 0);
+
+ ret = ftrace_set_clr_event(tr, token, 1);
+ if (ret)
+ pr_warn("Failed to enable trace event: %s\n", token);
+
+ /* Put back the comma to allow this to be called again */
+ if (buf)
+ *(buf - 1) = ',';
+ }
+}
+
static __init int event_trace_enable(void)
{
struct trace_array *tr = top_trace_array();
struct ftrace_event_call **iter, *call;
- char *buf = bootup_event_buf;
- char *token;
int ret;
if (!tr)
*/
__trace_early_add_events(tr);
- while (true) {
- token = strsep(&buf, ",");
-
- if (!token)
- break;
- if (!*token)
- continue;
-
- ret = ftrace_set_clr_event(tr, token, 1);
- if (ret)
- pr_warn("Failed to enable trace event: %s\n", token);
- }
+ early_enable_events(tr, false);
trace_printk_start_comm();
return 0;
}
+/*
+ * event_trace_enable() is called from trace_event_init() first to
+ * initialize events and perhaps start any events that are on the
+ * command line. Unfortunately, there are some events that will not
+ * start this early, like the system call tracepoints that need
+ * to set the TIF_SYSCALL_TRACEPOINT flag of pid 1. But event_trace_enable()
+ * is called before pid 1 starts, and this flag is never set, making
+ * the syscall tracepoint never get reached, but the event is enabled
+ * regardless (and not doing anything).
+ */
+static __init int event_trace_enable_again(void)
+{
+ struct trace_array *tr;
+
+ tr = top_trace_array();
+ if (!tr)
+ return -ENODEV;
+
+ early_enable_events(tr, true);
+
+ return 0;
+}
+
+early_initcall(event_trace_enable_again);
+
static __init int event_trace_init(void)
{
struct trace_array *tr;
static void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
{
+ if (!tlb->end)
+ return;
+
tlb_flush(tlb);
mmu_notifier_invalidate_range(tlb->mm, tlb->start, tlb->end);
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
{
struct mmu_gather_batch *batch;
- for (batch = &tlb->local; batch; batch = batch->next) {
+ for (batch = &tlb->local; batch && batch->nr; batch = batch->next) {
free_pages_and_swap_cache(batch->pages, batch->nr);
batch->nr = 0;
}
void tlb_flush_mmu(struct mmu_gather *tlb)
{
- if (!tlb->end)
- return;
-
tlb_flush_mmu_tlbonly(tlb);
tlb_flush_mmu_free(tlb);
}
dst = NULL;
if (is_broadcast_ether_addr(dest)) {
- if (p->flags & BR_PROXYARP &&
+ if (IS_ENABLED(CONFIG_INET) &&
+ p->flags & BR_PROXYARP &&
skb->protocol == htons(ETH_P_ARP))
br_do_proxy_arp(skb, br, vid);
case NDTPA_BASE_REACHABLE_TIME:
NEIGH_VAR_SET(p, BASE_REACHABLE_TIME,
nla_get_msecs(tbp[i]));
+ /* update reachable_time as well, otherwise, the change will
+ * only be effective after the next time neigh_periodic_work
+ * decides to recompute it (can be multiple minutes)
+ */
+ p->reachable_time =
+ neigh_rand_reach_time(NEIGH_VAR(p, BASE_REACHABLE_TIME));
break;
case NDTPA_GC_STALETIME:
NEIGH_VAR_SET(p, GC_STALETIME,
return ret;
}
+static int neigh_proc_base_reachable_time(struct ctl_table *ctl, int write,
+ void __user *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ struct neigh_parms *p = ctl->extra2;
+ int ret;
+
+ if (strcmp(ctl->procname, "base_reachable_time") == 0)
+ ret = neigh_proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos);
+ else if (strcmp(ctl->procname, "base_reachable_time_ms") == 0)
+ ret = neigh_proc_dointvec_ms_jiffies(ctl, write, buffer, lenp, ppos);
+ else
+ ret = -1;
+
+ if (write && ret == 0) {
+ /* update reachable_time as well, otherwise, the change will
+ * only be effective after the next time neigh_periodic_work
+ * decides to recompute it
+ */
+ p->reachable_time =
+ neigh_rand_reach_time(NEIGH_VAR(p, BASE_REACHABLE_TIME));
+ }
+ return ret;
+}
+
#define NEIGH_PARMS_DATA_OFFSET(index) \
(&((struct neigh_parms *) 0)->data[index])
t->neigh_vars[NEIGH_VAR_RETRANS_TIME_MS].proc_handler = handler;
/* ReachableTime (in milliseconds) */
t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME_MS].proc_handler = handler;
+ } else {
+ /* Those handlers will update p->reachable_time after
+ * base_reachable_time(_ms) is set to ensure the new timer starts being
+ * applied after the next neighbour update instead of waiting for
+ * neigh_periodic_work to update its value (can be multiple minutes)
+ * So any handler that replaces them should do this as well
+ */
+ /* ReachableTime */
+ t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME].proc_handler =
+ neigh_proc_base_reachable_time;
+ /* ReachableTime (in milliseconds) */
+ t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME_MS].proc_handler =
+ neigh_proc_base_reachable_time;
}
/* Don't export sysctls to unprivileged users */
memset(&mr, 0, sizeof(mr));
if (priv->sreg_proto_min) {
- mr.range[0].min.all = (__force __be16)
- data[priv->sreg_proto_min].data[0];
- mr.range[0].max.all = (__force __be16)
- data[priv->sreg_proto_max].data[0];
+ mr.range[0].min.all =
+ *(__be16 *)&data[priv->sreg_proto_min].data[0];
+ mr.range[0].max.all =
+ *(__be16 *)&data[priv->sreg_proto_max].data[0];
mr.range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
memset(&range, 0, sizeof(range));
if (priv->sreg_proto_min) {
- range.min_proto.all = (__force __be16)
- data[priv->sreg_proto_min].data[0];
- range.max_proto.all = (__force __be16)
- data[priv->sreg_proto_max].data[0];
+ range.min_proto.all =
+ *(__be16 *)&data[priv->sreg_proto_min].data[0];
+ range.max_proto.all =
+ *(__be16 *)&data[priv->sreg_proto_max].data[0];
range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
struct nf_conn *ct;
struct net *net;
+ *diff = 0;
+
#ifdef CONFIG_IP_VS_IPV6
/* This application helper doesn't work with IPv6 yet,
* so turn this into a no-op for IPv6 packets
return 1;
#endif
- *diff = 0;
-
/* Only useful for established sessions */
if (cp->state != IP_VS_TCP_S_ESTABLISHED)
return 1;
struct ip_vs_conn *n_cp;
struct net *net;
+ /* no diff required for incoming packets */
+ *diff = 0;
+
#ifdef CONFIG_IP_VS_IPV6
/* This application helper doesn't work with IPv6 yet,
* so turn this into a no-op for IPv6 packets
return 1;
#endif
- /* no diff required for incoming packets */
- *diff = 0;
-
/* Only useful for established sessions */
if (cp->state != IP_VS_TCP_S_ESTABLISHED)
return 1;
*/
NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
pr_debug("Confirming conntrack %p\n", ct);
- /* We have to check the DYING flag inside the lock to prevent
- a race against nf_ct_get_next_corpse() possibly called from
- user context, else we insert an already 'dead' hash, blocking
- further use of that particular connection -JM */
+ /* We have to check the DYING flag after unlink to prevent
+ * a race against nf_ct_get_next_corpse() possibly called from
+ * user context, else we insert an already 'dead' hash, blocking
+ * further use of that particular connection -JM.
+ */
+ nf_ct_del_from_dying_or_unconfirmed_list(ct);
- if (unlikely(nf_ct_is_dying(ct))) {
- nf_conntrack_double_unlock(hash, reply_hash);
- local_bh_enable();
- return NF_ACCEPT;
- }
+ if (unlikely(nf_ct_is_dying(ct)))
+ goto out;
/* See if there's one in the list already, including reverse:
NAT could have grabbed it without realizing, since we're
zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
goto out;
- nf_ct_del_from_dying_or_unconfirmed_list(ct);
-
/* Timer relative to confirmation time, not original
setting time, otherwise we'd get timer wrap in
weird delay cases. */
return NF_ACCEPT;
out:
+ nf_ct_add_to_dying_list(ct);
nf_conntrack_double_unlock(hash, reply_hash);
NF_CT_STAT_INC(net, insert_failed);
local_bh_enable();
struct nft_chain *chain, *nc;
struct nft_set *set, *ns;
- list_for_each_entry_safe(chain, nc, &ctx->table->chains, list) {
+ list_for_each_entry(chain, &ctx->table->chains, list) {
ctx->chain = chain;
err = nft_delrule_by_chain(ctx);
if (err < 0)
goto out;
-
- err = nft_delchain(ctx);
- if (err < 0)
- goto out;
}
list_for_each_entry_safe(set, ns, &ctx->table->sets, list) {
goto out;
}
+ list_for_each_entry_safe(chain, nc, &ctx->table->chains, list) {
+ ctx->chain = chain;
+
+ err = nft_delchain(ctx);
+ if (err < 0)
+ goto out;
+ }
+
err = nft_deltable(ctx);
out:
return err;
nlh = nlmsg_hdr(skb);
err = 0;
- if (nlh->nlmsg_len < NLMSG_HDRLEN) {
+ if (nlmsg_len(nlh) < sizeof(struct nfgenmsg) ||
+ skb->len < nlh->nlmsg_len) {
err = -EINVAL;
goto ack;
}
int type;
if (group <= NFNLGRP_NONE || group > NFNLGRP_MAX)
- return -EINVAL;
+ return 0;
type = nfnl_group2type[group];
}
if (priv->sreg_proto_min) {
- range.min_proto.all = (__force __be16)
- data[priv->sreg_proto_min].data[0];
- range.max_proto.all = (__force __be16)
- data[priv->sreg_proto_max].data[0];
+ range.min_proto.all =
+ *(__be16 *)&data[priv->sreg_proto_min].data[0];
+ range.max_proto.all =
+ *(__be16 *)&data[priv->sreg_proto_max].data[0];
range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
struct vport *input_vport;
int len;
int err;
- bool log = !a[OVS_FLOW_ATTR_PROBE];
+ bool log = !a[OVS_PACKET_ATTR_PROBE];
err = -EINVAL;
if (!a[OVS_PACKET_ATTR_PACKET] || !a[OVS_PACKET_ATTR_KEY] ||
[OVS_PACKET_ATTR_PACKET] = { .len = ETH_HLEN },
[OVS_PACKET_ATTR_KEY] = { .type = NLA_NESTED },
[OVS_PACKET_ATTR_ACTIONS] = { .type = NLA_NESTED },
+ [OVS_PACKET_ATTR_PROBE] = { .type = NLA_FLAG },
};
static const struct genl_ops dp_packet_genl_ops[] = {
err = -EINVAL;
if (sock->type == SOCK_DGRAM) {
offset = dev_hard_header(skb, dev, ntohs(proto), addr, NULL, len);
- if (unlikely(offset) < 0)
+ if (unlikely(offset < 0))
goto out_free;
} else {
if (ll_header_truncated(dev, len))
struct sk_buff *skb;
skb_queue_walk(&bcl->outqueue, skb) {
- if (more(buf_seqno(skb), after))
+ if (more(buf_seqno(skb), after)) {
+ tipc_link_retransmit(bcl, skb, mod(to - after));
break;
+ }
}
- tipc_link_retransmit(bcl, skb, mod(to - after));
}
/**
}
static int check_execveat_invoked_rc(int fd, const char *path, int flags,
- int expected_rc)
+ int expected_rc, int expected_rc2)
{
int status;
int rc;
child, status);
return 1;
}
- if (WEXITSTATUS(status) != expected_rc) {
- printf("[FAIL] (child %d exited with %d not %d)\n",
- child, WEXITSTATUS(status), expected_rc);
+ if ((WEXITSTATUS(status) != expected_rc) &&
+ (WEXITSTATUS(status) != expected_rc2)) {
+ printf("[FAIL] (child %d exited with %d not %d nor %d)\n",
+ child, WEXITSTATUS(status), expected_rc, expected_rc2);
return 1;
}
printf("[OK]\n");
static int check_execveat(int fd, const char *path, int flags)
{
- return check_execveat_invoked_rc(fd, path, flags, 99);
+ return check_execveat_invoked_rc(fd, path, flags, 99, 99);
}
static char *concat(const char *left, const char *right)
* Execute as a long pathname relative to ".". If this is a script,
* the interpreter will launch but fail to open the script because its
* name ("/dev/fd/5/xxx....") is bigger than PATH_MAX.
+ *
+ * The failure code is usually 127 (POSIX: "If a command is not found,
+ * the exit status shall be 127."), but some systems give 126 (POSIX:
+ * "If the command name is found, but it is not an executable utility,
+ * the exit status shall be 126."), so allow either.
*/
if (is_script)
- fail += check_execveat_invoked_rc(dot_dfd, longpath, 0, 127);
+ fail += check_execveat_invoked_rc(dot_dfd, longpath, 0,
+ 127, 126);
else
fail += check_execveat(dot_dfd, longpath, 0);
{
struct mq_attr attr;
char *option, *next_option;
- int i, cpu;
+ int i, cpu, rc;
struct sigaction sa;
poptContext popt_context;
- char rc;
void *retval;
main_thread = pthread_self();
all: $(BINARIES)
%: %.c
- $(CC) $(CFLAGS) -o $@ $^
+ $(CC) $(CFLAGS) -o $@ $^ -lrt
run_tests: all
@/bin/sh ./run_vmtests || (echo "vmtests: [FAIL]"; exit 1)
projects / linux-2.6-block.git / commitdiff