Merge to Fedora kernel-2.6.7-1.492

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

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 1eabe03..5940705 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -321,6 +321,50 @@
 #define  PCI_X_STATUS_266MHZ   0x40000000      /* 266 MHz capable */
 #define  PCI_X_STATUS_533MHZ   0x80000000      /* 533 MHz capable */
 
+/* PCI Express capability registers */
+
+#define PCI_EXP_FLAGS          2       /* Capabilities register */
+#define PCI_EXP_FLAGS_VERS     0x000f  /* Capability version */
+#define PCI_EXP_FLAGS_TYPE     0x00f0  /* Device/Port type */
+#define  PCI_EXP_TYPE_ENDPOINT 0x0     /* Express Endpoint */
+#define  PCI_EXP_TYPE_LEG_END  0x1     /* Legacy Endpoint */
+#define  PCI_EXP_TYPE_ROOT_PORT 0x4    /* Root Port */
+#define  PCI_EXP_TYPE_UPSTREAM 0x5     /* Upstream Port */
+#define  PCI_EXP_TYPE_DOWNSTREAM 0x6   /* Downstream Port */
+#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7   /* PCI/PCI-X Bridge */
+#define PCI_EXP_FLAGS_SLOT     0x0100  /* Slot implemented */
+#define PCI_EXP_FLAGS_IRQ      0x3e00  /* Interrupt message number */
+#define PCI_EXP_DEVCAP         4       /* Device capabilities */
+#define  PCI_EXP_DEVCAP_PAYLOAD        0x07    /* Max_Payload_Size */
+#define  PCI_EXP_DEVCAP_PHANTOM        0x18    /* Phantom functions */
+#define  PCI_EXP_DEVCAP_EXT_TAG        0x20    /* Extended tags */
+#define  PCI_EXP_DEVCAP_L0S    0x1c0   /* L0s Acceptable Latency */
+#define  PCI_EXP_DEVCAP_L1     0xe00   /* L1 Acceptable Latency */
+#define  PCI_EXP_DEVCAP_ATN_BUT        0x1000  /* Attention Button Present */
+#define  PCI_EXP_DEVCAP_ATN_IND        0x2000  /* Attention Indicator Present */
+#define  PCI_EXP_DEVCAP_PWR_IND        0x4000  /* Power Indicator Present */
+#define  PCI_EXP_DEVCAP_PWR_VAL        0x3fc0000 /* Slot Power Limit Value */
+#define  PCI_EXP_DEVCAP_PWR_SCL        0xc000000 /* Slot Power Limit Scale */
+#define PCI_EXP_DEVCTL         8       /* Device Control */
+#define  PCI_EXP_DEVCTL_CERE   0x0001  /* Correctable Error Reporting En. */
+#define  PCI_EXP_DEVCTL_NFERE  0x0002  /* Non-Fatal Error Reporting Enable */
+#define  PCI_EXP_DEVCTL_FERE   0x0004  /* Fatal Error Reporting Enable */
+#define  PCI_EXP_DEVCTL_URRE   0x0008  /* Unsupported Request Reporting En. */
+#define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
+#define  PCI_EXP_DEVCTL_PAYLOAD        0x00e0  /* Max_Payload_Size */
+#define  PCI_EXP_DEVCTL_EXT_TAG        0x0100  /* Extended Tag Field Enable */
+#define  PCI_EXP_DEVCTL_PHANTOM        0x0200  /* Phantom Functions Enable */
+#define  PCI_EXP_DEVCTL_AUX_PME        0x0400  /* Auxiliary Power PM Enable */
+#define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /* Enable No Snoop */
+#define  PCI_EXP_DEVCTL_READRQ 0x7000  /* Max_Read_Request_Size */
+#define PCI_EXP_DEVSTA         10      /* Device Status */
+#define  PCI_EXP_DEVSTA_CED    0x01    /* Correctable Error Detected */
+#define  PCI_EXP_DEVSTA_NFED   0x02    /* Non-Fatal Error Detected */
+#define  PCI_EXP_DEVSTA_FED    0x04    /* Fatal Error Detected */
+#define  PCI_EXP_DEVSTA_URD    0x08    /* Unsupported Request Detected */
+#define  PCI_EXP_DEVSTA_AUXPD  0x10    /* AUX Power Detected */
+#define  PCI_EXP_DEVSTA_TRPND  0x20    /* Transactions Pending */
+
 /* Extended Capabilities (PCI-X 2.0 and Express) */
 #define PCI_EXT_CAP_ID(header)         (header & 0x0000ffff)
 #define PCI_EXT_CAP_VER(header)                ((header >> 16) & 0xf)
@@ -659,6 +703,7 @@ static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *s
 }
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
+unsigned int pci_scan_child_bus(struct pci_bus *bus);
 void pci_bus_add_devices(struct pci_bus *bus);
 void pci_name_device(struct pci_dev *dev);
 char *pci_class_name(u32 class);
@@ -726,7 +771,7 @@ int pci_enable_device_bars(struct pci_dev *dev, int mask);
 void pci_disable_device(struct pci_dev *dev);
 void pci_set_master(struct pci_dev *dev);
 #define HAVE_PCI_SET_MWI
-int __must_check pci_set_mwi(struct pci_dev *dev);
+int pci_set_mwi(struct pci_dev *dev);
 void pci_clear_mwi(struct pci_dev *dev);
 int __must_check pci_set_dma_mask(struct pci_dev *dev, u64 mask);
 int pci_dac_set_dma_mask(struct pci_dev *dev, u64 mask);