Merge branches 'pci/aer', 'pci/enumeration', 'pci/kconfig', 'pci/misc', 'pci/virtuali...

[linux-2.6-block.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 27df4a6585daedcc6a74865bf048cfd06a0593ba..c4defbc77a8ff7d8a888158d3bca85bcd3dd375b 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -70,12 +70,6 @@ enum pci_mmap_state {
        pci_mmap_mem
 };
 
-/* This defines the direction arg to the DMA mapping routines. */
-#define PCI_DMA_BIDIRECTIONAL  0
-#define PCI_DMA_TODEVICE       1
-#define PCI_DMA_FROMDEVICE     2
-#define PCI_DMA_NONE           3
-
 /*
  *  For PCI devices, the region numbers are assigned this way:
  */
@@ -746,9 +740,26 @@ struct pci_driver {
        .vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
        .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
 
+enum {
+       PCI_REASSIGN_ALL_RSRC   = 0x00000001,   /* ignore firmware setup */
+       PCI_REASSIGN_ALL_BUS    = 0x00000002,   /* reassign all bus numbers */
+       PCI_PROBE_ONLY          = 0x00000004,   /* use existing setup */
+       PCI_CAN_SKIP_ISA_ALIGN  = 0x00000008,   /* don't do ISA alignment */
+       PCI_ENABLE_PROC_DOMAINS = 0x00000010,   /* enable domains in /proc */
+       PCI_COMPAT_DOMAIN_0     = 0x00000020,   /* ... except domain 0 */
+       PCI_SCAN_ALL_PCIE_DEVS  = 0x00000040,   /* scan all, not just dev 0 */
+};
+
 /* these external functions are only available when PCI support is enabled */
 #ifdef CONFIG_PCI
 
+extern unsigned int pci_flags;
+
+static inline void pci_set_flags(int flags) { pci_flags = flags; }
+static inline void pci_add_flags(int flags) { pci_flags |= flags; }
+static inline void pci_clear_flags(int flags) { pci_flags &= ~flags; }
+static inline int pci_has_flag(int flag) { return pci_flags & flag; }
+
 void pcie_bus_configure_settings(struct pci_bus *bus);
 
 enum pcie_bus_config_types {
@@ -1021,8 +1032,6 @@ void pci_intx(struct pci_dev *dev, int enable);
 bool pci_intx_mask_supported(struct pci_dev *dev);
 bool pci_check_and_mask_intx(struct pci_dev *dev);
 bool pci_check_and_unmask_intx(struct pci_dev *dev);
-int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
-int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
 int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask);
 int pci_wait_for_pending_transaction(struct pci_dev *dev);
 int pcix_get_max_mmrbc(struct pci_dev *dev);
@@ -1238,6 +1247,7 @@ resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno);
 
 int pci_set_vga_state(struct pci_dev *pdev, bool decode,
                      unsigned int command_bits, u32 flags);
+
 /* kmem_cache style wrapper around pci_alloc_consistent() */
 
 #include <linux/pci-dma.h>
@@ -1405,6 +1415,11 @@ void pci_register_set_vga_state(arch_set_vga_state_t func);
 
 #else /* CONFIG_PCI is not enabled */
 
+static inline void pci_set_flags(int flags) { }
+static inline void pci_add_flags(int flags) { }
+static inline void pci_clear_flags(int flags) { }
+static inline int pci_has_flag(int flag) { return 0; }
+
 /*
  *  If the system does not have PCI, clearly these return errors.  Define
  *  these as simple inline functions to avoid hair in drivers.
@@ -1444,16 +1459,6 @@ static inline struct pci_dev *pci_get_class(unsigned int class,
 static inline void pci_set_master(struct pci_dev *dev) { }
 static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
 static inline void pci_disable_device(struct pci_dev *dev) { }
-static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{ return -EIO; }
-static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{ return -EIO; }
-static inline int pci_set_dma_max_seg_size(struct pci_dev *dev,
-                                       unsigned int size)
-{ return -EIO; }
-static inline int pci_set_dma_seg_boundary(struct pci_dev *dev,
-                                       unsigned long mask)
-{ return -EIO; }
 static inline int pci_assign_resource(struct pci_dev *dev, int i)
 { return -EBUSY; }
 static inline int __pci_register_driver(struct pci_driver *drv,
@@ -1834,12 +1839,13 @@ bool pci_acs_path_enabled(struct pci_dev *start,
 #define PCI_VPD_LRDT_RW_DATA           PCI_VPD_LRDT_ID(PCI_VPD_LTIN_RW_DATA)
 
 /* Small Resource Data Type Tag Item Names */
-#define PCI_VPD_STIN_END               0x78    /* End */
+#define PCI_VPD_STIN_END               0x0f    /* End */
 
-#define PCI_VPD_SRDT_END               PCI_VPD_STIN_END
+#define PCI_VPD_SRDT_END               (PCI_VPD_STIN_END << 3)
 
 #define PCI_VPD_SRDT_TIN_MASK          0x78
 #define PCI_VPD_SRDT_LEN_MASK          0x07
+#define PCI_VPD_LRDT_TIN_MASK          0x7f
 
 #define PCI_VPD_LRDT_TAG_SIZE          3
 #define PCI_VPD_SRDT_TAG_SIZE          1
@@ -1862,6 +1868,17 @@ static inline u16 pci_vpd_lrdt_size(const u8 *lrdt)
        return (u16)lrdt[1] + ((u16)lrdt[2] << 8);
 }
 
+/**
+ * pci_vpd_lrdt_tag - Extracts the Large Resource Data Type Tag Item
+ * @lrdt: Pointer to the beginning of the Large Resource Data Type tag
+ *
+ * Returns the extracted Large Resource Data Type Tag item.
+ */
+static inline u16 pci_vpd_lrdt_tag(const u8 *lrdt)
+{
+    return (u16)(lrdt[0] & PCI_VPD_LRDT_TIN_MASK);
+}
+
 /**
  * pci_vpd_srdt_size - Extracts the Small Resource Data Type length
  * @lrdt: Pointer to the beginning of the Small Resource Data Type tag
@@ -1873,6 +1890,17 @@ static inline u8 pci_vpd_srdt_size(const u8 *srdt)
        return (*srdt) & PCI_VPD_SRDT_LEN_MASK;
 }
 
+/**
+ * pci_vpd_srdt_tag - Extracts the Small Resource Data Type Tag Item
+ * @lrdt: Pointer to the beginning of the Small Resource Data Type tag
+ *
+ * Returns the extracted Small Resource Data Type Tag Item.
+ */
+static inline u8 pci_vpd_srdt_tag(const u8 *srdt)
+{
+       return ((*srdt) & PCI_VPD_SRDT_TIN_MASK) >> 3;
+}
+
 /**
  * pci_vpd_info_field_size - Extracts the information field length
  * @lrdt: Pointer to the beginning of an information field header
@@ -1989,4 +2017,8 @@ static inline bool pci_ari_enabled(struct pci_bus *bus)
 {
        return bus->self && bus->self->ari_enabled;
 }
+
+/* provide the legacy pci_dma_* API */
+#include <linux/pci-dma-compat.h>
+
 #endif /* LINUX_PCI_H */