forked from Minki/linux
PCI: Clean up whitespace in linux/pci.h, pci/pci.h
Clean up whitespace, capitalization, etc. in comments. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas
parent
3e466e2d3a
commit
0aa0f5d108
@ -112,7 +112,7 @@ struct pci_vpd_ops {
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struct pci_vpd {
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const struct pci_vpd_ops *ops;
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struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
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struct bin_attribute *attr; /* Descriptor for sysfs VPD entry */
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struct mutex lock;
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unsigned int len;
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u16 flag;
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@ -231,7 +231,7 @@ struct pci_slot_attribute {
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enum pci_bar_type {
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pci_bar_unknown, /* Standard PCI BAR probe */
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pci_bar_io, /* An io port BAR */
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pci_bar_io, /* An I/O port BAR */
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pci_bar_mem32, /* A 32-bit memory BAR */
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pci_bar_mem64, /* A 64-bit memory BAR */
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};
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@ -255,24 +255,24 @@ void pci_disable_bridge_window(struct pci_dev *dev);
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/* Single Root I/O Virtualization */
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struct pci_sriov {
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int pos; /* capability position */
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int nres; /* number of resources */
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int pos; /* Capability position */
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int nres; /* Number of resources */
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u32 cap; /* SR-IOV Capabilities */
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u16 ctrl; /* SR-IOV Control */
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u16 total_VFs; /* total VFs associated with the PF */
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u16 initial_VFs; /* initial VFs associated with the PF */
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u16 num_VFs; /* number of VFs available */
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u16 offset; /* first VF Routing ID offset */
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u16 stride; /* following VF stride */
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u16 total_VFs; /* Total VFs associated with the PF */
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u16 initial_VFs; /* Initial VFs associated with the PF */
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u16 num_VFs; /* Number of VFs available */
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u16 offset; /* First VF Routing ID offset */
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u16 stride; /* Following VF stride */
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u16 vf_device; /* VF device ID */
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u32 pgsz; /* page size for BAR alignment */
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u32 pgsz; /* Page size for BAR alignment */
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u8 link; /* Function Dependency Link */
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u8 max_VF_buses; /* max buses consumed by VFs */
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u16 driver_max_VFs; /* max num VFs driver supports */
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struct pci_dev *dev; /* lowest numbered PF */
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struct pci_dev *self; /* this PF */
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u8 max_VF_buses; /* Max buses consumed by VFs */
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u16 driver_max_VFs; /* Max num VFs driver supports */
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struct pci_dev *dev; /* Lowest numbered PF */
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struct pci_dev *self; /* This PF */
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resource_size_t barsz[PCI_SRIOV_NUM_BARS]; /* VF BAR size */
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bool drivers_autoprobe; /* auto probing of VFs by driver */
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bool drivers_autoprobe; /* Auto probing of VFs by driver */
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};
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/* pci_dev priv_flags */
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@ -54,9 +54,9 @@
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/* pci_slot represents a physical slot */
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struct pci_slot {
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struct pci_bus *bus; /* The bus this slot is on */
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struct list_head list; /* node in list of slots on this bus */
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struct hotplug_slot *hotplug; /* Hotplug info (migrate over time) */
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struct pci_bus *bus; /* Bus this slot is on */
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struct list_head list; /* Node in list of slots */
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struct hotplug_slot *hotplug; /* Hotplug info (move here) */
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unsigned char number; /* PCI_SLOT(pci_dev->devfn) */
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struct kobject kobj;
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};
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@ -72,9 +72,7 @@ enum pci_mmap_state {
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pci_mmap_mem
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};
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/*
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* For PCI devices, the region numbers are assigned this way:
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*/
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/* For PCI devices, the region numbers are assigned this way: */
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enum {
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/* #0-5: standard PCI resources */
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PCI_STD_RESOURCES,
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@ -83,23 +81,23 @@ enum {
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/* #6: expansion ROM resource */
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PCI_ROM_RESOURCE,
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/* device specific resources */
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/* Device-specific resources */
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#ifdef CONFIG_PCI_IOV
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PCI_IOV_RESOURCES,
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PCI_IOV_RESOURCE_END = PCI_IOV_RESOURCES + PCI_SRIOV_NUM_BARS - 1,
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#endif
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/* resources assigned to buses behind the bridge */
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/* Resources assigned to buses behind the bridge */
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#define PCI_BRIDGE_RESOURCE_NUM 4
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PCI_BRIDGE_RESOURCES,
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PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
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PCI_BRIDGE_RESOURCE_NUM - 1,
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/* total resources associated with a PCI device */
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/* Total resources associated with a PCI device */
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PCI_NUM_RESOURCES,
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/* preserve this for compatibility */
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/* Preserve this for compatibility */
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DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
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};
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@ -152,8 +150,9 @@ static inline const char *pci_power_name(pci_power_t state)
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#define PCI_PM_D3COLD_WAIT 100
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#define PCI_PM_BUS_WAIT 50
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/** The pci_channel state describes connectivity between the CPU and
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* the pci device. If some PCI bus between here and the pci device
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/**
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* The pci_channel state describes connectivity between the CPU and
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* the PCI device. If some PCI bus between here and the PCI device
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* has crashed or locked up, this info is reflected here.
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*/
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typedef unsigned int __bitwise pci_channel_state_t;
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@ -184,9 +183,7 @@ enum pcie_reset_state {
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typedef unsigned short __bitwise pci_dev_flags_t;
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enum pci_dev_flags {
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/* INTX_DISABLE in PCI_COMMAND register disables MSI
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* generation too.
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*/
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/* INTX_DISABLE in PCI_COMMAND register disables MSI too */
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PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0),
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/* Device configuration is irrevocably lost if disabled into D3 */
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PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1),
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@ -202,7 +199,7 @@ enum pci_dev_flags {
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PCI_DEV_FLAGS_NO_PM_RESET = (__force pci_dev_flags_t) (1 << 7),
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/* Get VPD from function 0 VPD */
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PCI_DEV_FLAGS_VPD_REF_F0 = (__force pci_dev_flags_t) (1 << 8),
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/* a non-root bridge where translation occurs, stop alias search here */
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/* A non-root bridge where translation occurs, stop alias search here */
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PCI_DEV_FLAGS_BRIDGE_XLATE_ROOT = (__force pci_dev_flags_t) (1 << 9),
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/* Do not use FLR even if device advertises PCI_AF_CAP */
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PCI_DEV_FLAGS_NO_FLR_RESET = (__force pci_dev_flags_t) (1 << 10),
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@ -222,17 +219,17 @@ enum pci_bus_flags {
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PCI_BUS_FLAGS_NO_AERSID = (__force pci_bus_flags_t) 4,
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};
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/* These values come from the PCI Express Spec */
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/* Values from Link Status register, PCIe r3.1, sec 7.8.8 */
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enum pcie_link_width {
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PCIE_LNK_WIDTH_RESRV = 0x00,
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PCIE_LNK_X1 = 0x01,
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PCIE_LNK_X2 = 0x02,
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PCIE_LNK_X4 = 0x04,
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PCIE_LNK_X8 = 0x08,
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PCIE_LNK_X12 = 0x0C,
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PCIE_LNK_X12 = 0x0c,
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PCIE_LNK_X16 = 0x10,
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PCIE_LNK_X32 = 0x20,
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PCIE_LNK_WIDTH_UNKNOWN = 0xFF,
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PCIE_LNK_WIDTH_UNKNOWN = 0xff,
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};
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/* Based on the PCI Hotplug Spec, but some values are made up by us */
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@ -280,19 +277,17 @@ struct pci_vpd;
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struct pci_sriov;
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struct pci_ats;
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/*
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* The pci_dev structure is used to describe PCI devices.
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*/
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/* The pci_dev structure describes PCI devices */
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struct pci_dev {
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struct list_head bus_list; /* node in per-bus list */
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struct pci_bus *bus; /* bus this device is on */
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struct pci_bus *subordinate; /* bus this device bridges to */
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struct list_head bus_list; /* Node in per-bus list */
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struct pci_bus *bus; /* Bus this device is on */
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struct pci_bus *subordinate; /* Bus this device bridges to */
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void *sysdata; /* hook for sys-specific extension */
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struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */
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void *sysdata; /* Hook for sys-specific extension */
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struct proc_dir_entry *procent; /* Device entry in /proc/bus/pci */
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struct pci_slot *slot; /* Physical slot this device is in */
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unsigned int devfn; /* encoded device & function index */
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unsigned int devfn; /* Encoded device & function index */
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unsigned short vendor;
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unsigned short device;
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unsigned short subsystem_vendor;
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@ -307,12 +302,12 @@ struct pci_dev {
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u8 msi_cap; /* MSI capability offset */
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u8 msix_cap; /* MSI-X capability offset */
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u8 pcie_mpss:3; /* PCIe Max Payload Size Supported */
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u8 rom_base_reg; /* which config register controls the ROM */
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u8 pin; /* which interrupt pin this device uses */
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u16 pcie_flags_reg; /* cached PCIe Capabilities Register */
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unsigned long *dma_alias_mask;/* mask of enabled devfn aliases */
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u8 rom_base_reg; /* Config register controlling ROM */
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u8 pin; /* Interrupt pin this device uses */
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u16 pcie_flags_reg; /* Cached PCIe Capabilities Register */
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unsigned long *dma_alias_mask;/* Mask of enabled devfn aliases */
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struct pci_driver *driver; /* which driver has allocated this device */
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struct pci_driver *driver; /* Driver bound to this device */
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u64 dma_mask; /* Mask of the bits of bus address this
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device implements. Normally this is
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0xffffffff. You only need to change
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@ -321,9 +316,9 @@ struct pci_dev {
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struct device_dma_parameters dma_parms;
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pci_power_t current_state; /* Current operating state. In ACPI-speak,
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this is D0-D3, D0 being fully functional,
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and D3 being off. */
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pci_power_t current_state; /* Current operating state. In ACPI,
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this is D0-D3, D0 being fully
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functional, and D3 being off. */
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u8 pm_cap; /* PM capability offset */
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unsigned int pme_support:5; /* Bitmask of states from which PME#
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can be generated */
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@ -334,10 +329,10 @@ struct pci_dev {
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unsigned int no_d3cold:1; /* D3cold is forbidden */
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unsigned int bridge_d3:1; /* Allow D3 for bridge */
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unsigned int d3cold_allowed:1; /* D3cold is allowed by user */
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unsigned int mmio_always_on:1; /* disallow turning off io/mem
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decoding during bar sizing */
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unsigned int mmio_always_on:1; /* Disallow turning off io/mem
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decoding during BAR sizing */
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unsigned int wakeup_prepared:1;
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unsigned int runtime_d3cold:1; /* whether go through runtime
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unsigned int runtime_d3cold:1; /* Whether go through runtime
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D3cold, not set for devices
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powered on/off by the
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corresponding bridge */
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@ -352,10 +347,10 @@ struct pci_dev {
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struct pcie_link_state *link_state; /* ASPM link state */
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#endif
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pci_channel_state_t error_state; /* current connectivity state */
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pci_channel_state_t error_state; /* Current connectivity state */
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struct device dev; /* Generic device interface */
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int cfg_size; /* Size of configuration space */
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int cfg_size; /* Size of config space */
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/*
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* Instead of touching interrupt line and base address registers
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@ -365,25 +360,25 @@ struct pci_dev {
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struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
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bool match_driver; /* Skip attaching driver */
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/* These fields are used by common fixups */
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unsigned int transparent:1; /* Subtractive decode PCI bridge */
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unsigned int multifunction:1;/* Part of multi-function device */
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/* keep track of device state */
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unsigned int transparent:1; /* Subtractive decode bridge */
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unsigned int multifunction:1; /* Multi-function device */
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unsigned int is_added:1;
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unsigned int is_busmaster:1; /* device is busmaster */
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unsigned int no_msi:1; /* device may not use msi */
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unsigned int no_64bit_msi:1; /* device may only use 32-bit MSIs */
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unsigned int block_cfg_access:1; /* config space access is blocked */
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unsigned int broken_parity_status:1; /* Device generates false positive parity */
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unsigned int irq_reroute_variant:2; /* device needs IRQ rerouting variant */
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unsigned int is_busmaster:1; /* Is busmaster */
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unsigned int no_msi:1; /* May not use MSI */
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unsigned int no_64bit_msi:1; /* May only use 32-bit MSIs */
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unsigned int block_cfg_access:1; /* Config space access blocked */
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unsigned int broken_parity_status:1; /* Generates false positive parity */
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unsigned int irq_reroute_variant:2; /* Needs IRQ rerouting variant */
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unsigned int msi_enabled:1;
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unsigned int msix_enabled:1;
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unsigned int ari_enabled:1; /* ARI forwarding */
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unsigned int ats_enabled:1; /* Address Translation Service */
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unsigned int ats_enabled:1; /* Address Translation Svc */
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unsigned int pasid_enabled:1; /* Process Address Space ID */
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unsigned int pri_enabled:1; /* Page Request Interface */
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unsigned int is_managed:1;
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unsigned int needs_freset:1; /* Dev requires fundamental reset */
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unsigned int needs_freset:1; /* Requires fundamental reset */
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unsigned int state_saved:1;
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unsigned int is_physfn:1;
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unsigned int is_virtfn:1;
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@ -393,18 +388,18 @@ struct pci_dev {
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unsigned int __aer_firmware_first_valid:1;
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unsigned int __aer_firmware_first:1;
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unsigned int broken_intx_masking:1; /* INTx masking can't be used */
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unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
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unsigned int io_window_1k:1; /* Intel bridge 1K I/O windows */
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unsigned int irq_managed:1;
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unsigned int has_secondary_link:1;
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unsigned int non_compliant_bars:1; /* broken BARs; ignore them */
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unsigned int is_probed:1; /* device probing in progress */
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unsigned int non_compliant_bars:1; /* Broken BARs; ignore them */
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unsigned int is_probed:1; /* Device probing in progress */
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pci_dev_flags_t dev_flags;
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atomic_t enable_cnt; /* pci_enable_device has been called */
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u32 saved_config_space[16]; /* config space saved at suspend time */
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u32 saved_config_space[16]; /* Config space saved at suspend time */
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struct hlist_head saved_cap_space;
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struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
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int rom_attr_enabled; /* has display of the rom attribute been enabled? */
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struct bin_attribute *rom_attr; /* Attribute descriptor for sysfs ROM entry */
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int rom_attr_enabled; /* Display of ROM attribute enabled? */
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struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */
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struct bin_attribute *res_attr_wc[DEVICE_COUNT_RESOURCE]; /* sysfs file for WC mapping of resources */
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@ -419,12 +414,12 @@ struct pci_dev {
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struct pci_vpd *vpd;
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#ifdef CONFIG_PCI_ATS
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union {
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struct pci_sriov *sriov; /* SR-IOV capability related */
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struct pci_dev *physfn; /* the PF this VF is associated with */
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struct pci_sriov *sriov; /* PF: SR-IOV info */
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struct pci_dev *physfn; /* VF: related PF */
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};
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u16 ats_cap; /* ATS Capability offset */
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u8 ats_stu; /* ATS Smallest Translation Unit */
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atomic_t ats_ref_cnt; /* number of VFs with ATS enabled */
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atomic_t ats_ref_cnt; /* Number of VFs with ATS enabled */
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#endif
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#ifdef CONFIG_PCI_PRI
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u32 pri_reqs_alloc; /* Number of PRI requests allocated */
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@ -432,11 +427,11 @@ struct pci_dev {
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#ifdef CONFIG_PCI_PASID
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u16 pasid_features;
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#endif
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phys_addr_t rom; /* Physical address of ROM if it's not from the BAR */
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size_t romlen; /* Length of ROM if it's not from the BAR */
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phys_addr_t rom; /* Physical address if not from BAR */
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size_t romlen; /* Length if not from BAR */
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char *driver_override; /* Driver name to force a match */
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unsigned long priv_flags; /* Private flags for the pci driver */
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unsigned long priv_flags; /* Private flags for the PCI driver */
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};
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static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
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@ -460,18 +455,18 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
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struct pci_host_bridge {
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struct device dev;
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struct pci_bus *bus; /* root bus */
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struct pci_bus *bus; /* Root bus */
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struct pci_ops *ops;
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void *sysdata;
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int busnr;
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struct list_head windows; /* resource_entry */
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u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* platform IRQ swizzler */
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u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */
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int (*map_irq)(const struct pci_dev *, u8, u8);
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void (*release_fn)(struct pci_host_bridge *);
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void *release_data;
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struct msi_controller *msi;
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unsigned int ignore_reset_delay:1; /* for entire hierarchy */
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unsigned int no_ext_tags:1; /* no Extended Tags */
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unsigned int ignore_reset_delay:1; /* For entire hierarchy */
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unsigned int no_ext_tags:1; /* No Extended Tags */
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/* Resource alignment requirements */
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resource_size_t (*align_resource)(struct pci_dev *dev,
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const struct resource *res,
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@ -529,24 +524,24 @@ struct pci_bus_resource {
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#define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */
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struct pci_bus {
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struct list_head node; /* node in list of buses */
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struct pci_bus *parent; /* parent bus this bridge is on */
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struct list_head children; /* list of child buses */
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struct list_head devices; /* list of devices on this bus */
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struct pci_dev *self; /* bridge device as seen by parent */
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struct list_head slots; /* list of slots on this bus;
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struct list_head node; /* Node in list of buses */
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struct pci_bus *parent; /* Parent bus this bridge is on */
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struct list_head children; /* List of child buses */
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struct list_head devices; /* List of devices on this bus */
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struct pci_dev *self; /* Bridge device as seen by parent */
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struct list_head slots; /* List of slots on this bus;
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protected by pci_slot_mutex */
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struct resource *resource[PCI_BRIDGE_RESOURCE_NUM];
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struct list_head resources; /* address space routed to this bus */
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struct resource busn_res; /* bus numbers routed to this bus */
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struct list_head resources; /* Address space routed to this bus */
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struct resource busn_res; /* Bus numbers routed to this bus */
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struct pci_ops *ops; /* configuration access functions */
|
||||
struct pci_ops *ops; /* Configuration access functions */
|
||||
struct msi_controller *msi; /* MSI controller */
|
||||
void *sysdata; /* hook for sys-specific extension */
|
||||
struct proc_dir_entry *procdir; /* directory entry in /proc/bus/pci */
|
||||
void *sysdata; /* Hook for sys-specific extension */
|
||||
struct proc_dir_entry *procdir; /* Directory entry in /proc/bus/pci */
|
||||
|
||||
unsigned char number; /* bus number */
|
||||
unsigned char primary; /* number of primary bridge */
|
||||
unsigned char number; /* Bus number */
|
||||
unsigned char primary; /* Number of primary bridge */
|
||||
unsigned char max_bus_speed; /* enum pci_bus_speed */
|
||||
unsigned char cur_bus_speed; /* enum pci_bus_speed */
|
||||
#ifdef CONFIG_PCI_DOMAINS_GENERIC
|
||||
@ -555,12 +550,12 @@ struct pci_bus {
|
||||
|
||||
char name[48];
|
||||
|
||||
unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */
|
||||
pci_bus_flags_t bus_flags; /* inherited by child buses */
|
||||
unsigned short bridge_ctl; /* Manage NO_ISA/FBB/et al behaviors */
|
||||
pci_bus_flags_t bus_flags; /* Inherited by child buses */
|
||||
struct device *bridge;
|
||||
struct device dev;
|
||||
struct bin_attribute *legacy_io; /* legacy I/O for this bus */
|
||||
struct bin_attribute *legacy_mem; /* legacy mem */
|
||||
struct bin_attribute *legacy_io; /* Legacy I/O for this bus */
|
||||
struct bin_attribute *legacy_mem; /* Legacy mem */
|
||||
unsigned int is_added:1;
|
||||
};
|
||||
|
||||
@ -617,9 +612,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev)
|
||||
static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; }
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Error values that may be returned by PCI functions.
|
||||
*/
|
||||
/* Error values that may be returned by PCI functions */
|
||||
#define PCIBIOS_SUCCESSFUL 0x00
|
||||
#define PCIBIOS_FUNC_NOT_SUPPORTED 0x81
|
||||
#define PCIBIOS_BAD_VENDOR_ID 0x83
|
||||
@ -628,9 +621,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false;
|
||||
#define PCIBIOS_SET_FAILED 0x88
|
||||
#define PCIBIOS_BUFFER_TOO_SMALL 0x89
|
||||
|
||||
/*
|
||||
* Translate above to generic errno for passing back through non-PCI code.
|
||||
*/
|
||||
/* Translate above to generic errno for passing back through non-PCI code */
|
||||
static inline int pcibios_err_to_errno(int err)
|
||||
{
|
||||
if (err <= PCIBIOS_SUCCESSFUL)
|
||||
@ -685,8 +676,8 @@ struct pci_bus_region {
|
||||
};
|
||||
|
||||
struct pci_dynids {
|
||||
spinlock_t lock; /* protects list, index */
|
||||
struct list_head list; /* for IDs added at runtime */
|
||||
spinlock_t lock; /* Protects list, index */
|
||||
struct list_head list; /* For IDs added at runtime */
|
||||
};
|
||||
|
||||
|
||||
@ -700,13 +691,13 @@ struct pci_dynids {
|
||||
typedef unsigned int __bitwise pci_ers_result_t;
|
||||
|
||||
enum pci_ers_result {
|
||||
/* no result/none/not supported in device driver */
|
||||
/* No result/none/not supported in device driver */
|
||||
PCI_ERS_RESULT_NONE = (__force pci_ers_result_t) 1,
|
||||
|
||||
/* Device driver can recover without slot reset */
|
||||
PCI_ERS_RESULT_CAN_RECOVER = (__force pci_ers_result_t) 2,
|
||||
|
||||
/* Device driver wants slot to be reset. */
|
||||
/* Device driver wants slot to be reset */
|
||||
PCI_ERS_RESULT_NEED_RESET = (__force pci_ers_result_t) 3,
|
||||
|
||||
/* Device has completely failed, is unrecoverable */
|
||||
@ -744,7 +735,7 @@ struct module;
|
||||
struct pci_driver {
|
||||
struct list_head node;
|
||||
const char *name;
|
||||
const struct pci_device_id *id_table; /* must be non-NULL for probe to be called */
|
||||
const struct pci_device_id *id_table; /* Must be non-NULL for probe to be called */
|
||||
int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */
|
||||
void (*remove)(struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
|
||||
int (*suspend)(struct pci_dev *dev, pm_message_t state); /* Device suspended */
|
||||
@ -752,7 +743,7 @@ struct pci_driver {
|
||||
int (*resume_early)(struct pci_dev *dev);
|
||||
int (*resume) (struct pci_dev *dev); /* Device woken up */
|
||||
void (*shutdown) (struct pci_dev *dev);
|
||||
int (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* PF pdev */
|
||||
int (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* On PF */
|
||||
const struct pci_error_handlers *err_handler;
|
||||
const struct attribute_group **groups;
|
||||
struct device_driver driver;
|
||||
@ -762,7 +753,7 @@ struct pci_driver {
|
||||
#define to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
|
||||
|
||||
/**
|
||||
* PCI_DEVICE - macro used to describe a specific pci device
|
||||
* PCI_DEVICE - macro used to describe a specific PCI device
|
||||
* @vend: the 16 bit PCI Vendor ID
|
||||
* @dev: the 16 bit PCI Device ID
|
||||
*
|
||||
@ -775,7 +766,7 @@ struct pci_driver {
|
||||
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
|
||||
|
||||
/**
|
||||
* PCI_DEVICE_SUB - macro used to describe a specific pci device with subsystem
|
||||
* PCI_DEVICE_SUB - macro used to describe a specific PCI device with subsystem
|
||||
* @vend: the 16 bit PCI Vendor ID
|
||||
* @dev: the 16 bit PCI Device ID
|
||||
* @subvend: the 16 bit PCI Subvendor ID
|
||||
@ -789,7 +780,7 @@ struct pci_driver {
|
||||
.subvendor = (subvend), .subdevice = (subdev)
|
||||
|
||||
/**
|
||||
* PCI_DEVICE_CLASS - macro used to describe a specific pci device class
|
||||
* PCI_DEVICE_CLASS - macro used to describe a specific PCI device class
|
||||
* @dev_class: the class, subclass, prog-if triple for this device
|
||||
* @dev_class_mask: the class mask for this device
|
||||
*
|
||||
@ -803,7 +794,7 @@ struct pci_driver {
|
||||
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
|
||||
|
||||
/**
|
||||
* PCI_VDEVICE - macro used to describe a specific pci device in short form
|
||||
* PCI_VDEVICE - macro used to describe a specific PCI device in short form
|
||||
* @vend: the vendor name
|
||||
* @dev: the 16 bit PCI Device ID
|
||||
*
|
||||
@ -812,22 +803,21 @@ struct pci_driver {
|
||||
* to PCI_ANY_ID. The macro allows the next field to follow as the device
|
||||
* private data.
|
||||
*/
|
||||
|
||||
#define PCI_VDEVICE(vend, dev) \
|
||||
.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_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 */
|
||||
PCI_SCAN_ALL_PCIE_DEVS = 0x00000040, /* Scan all, not just dev 0 */
|
||||
};
|
||||
|
||||
/* these external functions are only available when PCI support is enabled */
|
||||
/* These external functions are only available when PCI support is enabled */
|
||||
#ifdef CONFIG_PCI
|
||||
|
||||
extern unsigned int pci_flags;
|
||||
@ -840,11 +830,11 @@ 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 {
|
||||
PCIE_BUS_TUNE_OFF, /* don't touch MPS at all */
|
||||
PCIE_BUS_DEFAULT, /* ensure MPS matches upstream bridge */
|
||||
PCIE_BUS_SAFE, /* use largest MPS boot-time devices support */
|
||||
PCIE_BUS_PERFORMANCE, /* use MPS and MRRS for best performance */
|
||||
PCIE_BUS_PEER2PEER, /* set MPS = 128 for all devices */
|
||||
PCIE_BUS_TUNE_OFF, /* Don't touch MPS at all */
|
||||
PCIE_BUS_DEFAULT, /* Ensure MPS matches upstream bridge */
|
||||
PCIE_BUS_SAFE, /* Use largest MPS boot-time devices support */
|
||||
PCIE_BUS_PERFORMANCE, /* Use MPS and MRRS for best performance */
|
||||
PCIE_BUS_PEER2PEER, /* Set MPS = 128 for all devices */
|
||||
};
|
||||
|
||||
extern enum pcie_bus_config_types pcie_bus_config;
|
||||
@ -853,7 +843,7 @@ extern struct bus_type pci_bus_type;
|
||||
|
||||
/* Do NOT directly access these two variables, unless you are arch-specific PCI
|
||||
* code, or PCI core code. */
|
||||
extern struct list_head pci_root_buses; /* list of all known PCI buses */
|
||||
extern struct list_head pci_root_buses; /* List of all known PCI buses */
|
||||
/* Some device drivers need know if PCI is initiated */
|
||||
int no_pci_devices(void);
|
||||
|
||||
@ -1028,7 +1018,7 @@ static inline int pcie_capability_clear_dword(struct pci_dev *dev, int pos,
|
||||
return pcie_capability_clear_and_set_dword(dev, pos, clear, 0);
|
||||
}
|
||||
|
||||
/* user-space driven config access */
|
||||
/* User-space driven config access */
|
||||
int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
|
||||
int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
|
||||
int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
|
||||
@ -1170,7 +1160,7 @@ unsigned int pci_rescan_bus(struct pci_bus *bus);
|
||||
void pci_lock_rescan_remove(void);
|
||||
void pci_unlock_rescan_remove(void);
|
||||
|
||||
/* Vital product data routines */
|
||||
/* Vital Product Data routines */
|
||||
ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
|
||||
ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);
|
||||
int pci_set_vpd_size(struct pci_dev *dev, size_t len);
|
||||
@ -1255,9 +1245,7 @@ static inline pci_bus_addr_t pci_bus_address(struct pci_dev *pdev, int bar)
|
||||
int __must_check __pci_register_driver(struct pci_driver *, struct module *,
|
||||
const char *mod_name);
|
||||
|
||||
/*
|
||||
* pci_register_driver must be a macro so that KBUILD_MODNAME can be expanded
|
||||
*/
|
||||
/* pci_register_driver() must be a macro so KBUILD_MODNAME can be expanded */
|
||||
#define pci_register_driver(driver) \
|
||||
__pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
|
||||
|
||||
@ -1272,8 +1260,7 @@ void pci_unregister_driver(struct pci_driver *dev);
|
||||
* use this macro once, and calling it replaces module_init() and module_exit()
|
||||
*/
|
||||
#define module_pci_driver(__pci_driver) \
|
||||
module_driver(__pci_driver, pci_register_driver, \
|
||||
pci_unregister_driver)
|
||||
module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
|
||||
|
||||
/**
|
||||
* builtin_pci_driver() - Helper macro for registering a PCI driver
|
||||
@ -1312,10 +1299,10 @@ 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);
|
||||
|
||||
#define PCI_IRQ_LEGACY (1 << 0) /* allow legacy interrupts */
|
||||
#define PCI_IRQ_MSI (1 << 1) /* allow MSI interrupts */
|
||||
#define PCI_IRQ_MSIX (1 << 2) /* allow MSI-X interrupts */
|
||||
#define PCI_IRQ_AFFINITY (1 << 3) /* auto-assign affinity */
|
||||
#define PCI_IRQ_LEGACY (1 << 0) /* Allow legacy interrupts */
|
||||
#define PCI_IRQ_MSI (1 << 1) /* Allow MSI interrupts */
|
||||
#define PCI_IRQ_MSIX (1 << 2) /* Allow MSI-X interrupts */
|
||||
#define PCI_IRQ_AFFINITY (1 << 3) /* Auto-assign affinity */
|
||||
#define PCI_IRQ_ALL_TYPES \
|
||||
(PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX)
|
||||
|
||||
@ -1334,8 +1321,8 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
|
||||
#define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
|
||||
|
||||
struct msix_entry {
|
||||
u32 vector; /* kernel uses to write allocated vector */
|
||||
u16 entry; /* driver uses to specify entry, OS writes */
|
||||
u32 vector; /* Kernel uses to write allocated vector */
|
||||
u16 entry; /* Driver uses to specify entry, OS writes */
|
||||
};
|
||||
|
||||
#ifdef CONFIG_PCI_MSI
|
||||
@ -1543,7 +1530,7 @@ static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)
|
||||
int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
|
||||
#endif
|
||||
|
||||
/* some architectures require additional setup to direct VGA traffic */
|
||||
/* Some architectures require additional setup to direct VGA traffic */
|
||||
typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
|
||||
unsigned int command_bits, u32 flags);
|
||||
void pci_register_set_vga_state(arch_set_vga_state_t func);
|
||||
@ -1587,7 +1574,6 @@ 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.
|
||||
*/
|
||||
|
||||
#define _PCI_NOP(o, s, t) \
|
||||
static inline int pci_##o##_config_##s(struct pci_dev *dev, \
|
||||
int where, t val) \
|
||||
@ -1726,8 +1712,10 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
|
||||
#define pci_root_bus_fwnode(bus) NULL
|
||||
#endif
|
||||
|
||||
/* these helpers provide future and backwards compatibility
|
||||
* for accessing popular PCI BAR info */
|
||||
/*
|
||||
* These helpers provide future and backwards compatibility
|
||||
* for accessing popular PCI BAR info
|
||||
*/
|
||||
#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
|
||||
#define pci_resource_end(dev, bar) ((dev)->resource[(bar)].end)
|
||||
#define pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags)
|
||||
@ -1739,7 +1727,8 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
|
||||
(pci_resource_end((dev), (bar)) - \
|
||||
pci_resource_start((dev), (bar)) + 1))
|
||||
|
||||
/* Similar to the helpers above, these manipulate per-pci_dev
|
||||
/*
|
||||
* Similar to the helpers above, these manipulate per-pci_dev
|
||||
* driver-specific data. They are really just a wrapper around
|
||||
* the generic device structure functions of these calls.
|
||||
*/
|
||||
@ -1753,16 +1742,14 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data)
|
||||
dev_set_drvdata(&pdev->dev, data);
|
||||
}
|
||||
|
||||
/* If you want to know what to call your pci_dev, ask this function.
|
||||
* Again, it's a wrapper around the generic device.
|
||||
*/
|
||||
static inline const char *pci_name(const struct pci_dev *pdev)
|
||||
{
|
||||
return dev_name(&pdev->dev);
|
||||
}
|
||||
|
||||
|
||||
/* Some archs don't want to expose struct resource to userland as-is
|
||||
/*
|
||||
* Some archs don't want to expose struct resource to userland as-is
|
||||
* in sysfs and /proc
|
||||
*/
|
||||
#ifdef HAVE_ARCH_PCI_RESOURCE_TO_USER
|
||||
@ -1788,9 +1775,9 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
|
||||
*/
|
||||
|
||||
struct pci_fixup {
|
||||
u16 vendor; /* You can use PCI_ANY_ID here of course */
|
||||
u16 device; /* You can use PCI_ANY_ID here of course */
|
||||
u32 class; /* You can use PCI_ANY_ID here too */
|
||||
u16 vendor; /* Or PCI_ANY_ID */
|
||||
u16 device; /* Or PCI_ANY_ID */
|
||||
u32 class; /* Or PCI_ANY_ID */
|
||||
unsigned int class_shift; /* should be 0, 8, 16 */
|
||||
void (*hook)(struct pci_dev *dev);
|
||||
};
|
||||
@ -1832,23 +1819,19 @@ enum pci_fixup_pass {
|
||||
#define DECLARE_PCI_FIXUP_CLASS_RESUME(vendor, device, class, \
|
||||
class_shift, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume, \
|
||||
resume##hook, vendor, device, class, \
|
||||
class_shift, hook)
|
||||
resume##hook, vendor, device, class, class_shift, hook)
|
||||
#define DECLARE_PCI_FIXUP_CLASS_RESUME_EARLY(vendor, device, class, \
|
||||
class_shift, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early, \
|
||||
resume_early##hook, vendor, device, \
|
||||
class, class_shift, hook)
|
||||
resume_early##hook, vendor, device, class, class_shift, hook)
|
||||
#define DECLARE_PCI_FIXUP_CLASS_SUSPEND(vendor, device, class, \
|
||||
class_shift, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend, \
|
||||
suspend##hook, vendor, device, class, \
|
||||
class_shift, hook)
|
||||
suspend##hook, vendor, device, class, class_shift, hook)
|
||||
#define DECLARE_PCI_FIXUP_CLASS_SUSPEND_LATE(vendor, device, class, \
|
||||
class_shift, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend_late, \
|
||||
suspend_late##hook, vendor, device, \
|
||||
class, class_shift, hook)
|
||||
suspend_late##hook, vendor, device, class, class_shift, hook)
|
||||
|
||||
#define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early, \
|
||||
@ -1864,20 +1847,16 @@ enum pci_fixup_pass {
|
||||
hook, vendor, device, PCI_ANY_ID, 0, hook)
|
||||
#define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume, \
|
||||
resume##hook, vendor, device, \
|
||||
PCI_ANY_ID, 0, hook)
|
||||
resume##hook, vendor, device, PCI_ANY_ID, 0, hook)
|
||||
#define DECLARE_PCI_FIXUP_RESUME_EARLY(vendor, device, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early, \
|
||||
resume_early##hook, vendor, device, \
|
||||
PCI_ANY_ID, 0, hook)
|
||||
resume_early##hook, vendor, device, PCI_ANY_ID, 0, hook)
|
||||
#define DECLARE_PCI_FIXUP_SUSPEND(vendor, device, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend, \
|
||||
suspend##hook, vendor, device, \
|
||||
PCI_ANY_ID, 0, hook)
|
||||
suspend##hook, vendor, device, PCI_ANY_ID, 0, hook)
|
||||
#define DECLARE_PCI_FIXUP_SUSPEND_LATE(vendor, device, hook) \
|
||||
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend_late, \
|
||||
suspend_late##hook, vendor, device, \
|
||||
PCI_ANY_ID, 0, hook)
|
||||
suspend_late##hook, vendor, device, PCI_ANY_ID, 0, hook)
|
||||
|
||||
#ifdef CONFIG_PCI_QUIRKS
|
||||
void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
|
||||
@ -2231,7 +2210,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
|
||||
int (*fn)(struct pci_dev *pdev,
|
||||
u16 alias, void *data), void *data);
|
||||
|
||||
/* helper functions for operation of device flag */
|
||||
/* Helper functions for operation of device flag */
|
||||
static inline void pci_set_dev_assigned(struct pci_dev *pdev)
|
||||
{
|
||||
pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
|
||||
@ -2278,7 +2257,7 @@ static inline bool pci_is_thunderbolt_attached(struct pci_dev *pdev)
|
||||
return false;
|
||||
}
|
||||
|
||||
/* provide the legacy pci_dma_* API */
|
||||
/* Provide the legacy pci_dma_* API */
|
||||
#include <linux/pci-dma-compat.h>
|
||||
|
||||
#endif /* LINUX_PCI_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user