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| author | Aaron Lu <aaron.lu@intel.com> | 2015-03-25 14:31:41 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-04-08 14:39:30 -0500 |
| commit | 18e94a3384368340d438cf67fcaebd72084f34f8 (patch) | |
| tree | a23e29fde7ad6f0429562adbb7bdb6f07d37c630 /include/linux/pci-acpi.h | |
| parent | c89ac4433030fa95a453b14857358cc6ec2e30db (diff) | |
| download | linux-18e94a3384368340d438cf67fcaebd72084f34f8.tar.gz linux-18e94a3384368340d438cf67fcaebd72084f34f8.tar.xz | |
PCI: Make a shareable UUID for PCI firmware ACPI _DSM
The PCI Firmware Specification, r3.0, sec 4.6.4.1.3, defines a single UUID
for an ACPI _DSM method to provide device-specific control functions. This
_DSM method support several functions, including PCI Express Slot
Information, PCI Express Slot Number, PCI Bus Capabilities, etc.
Move the UUID definition from pci/pci-label.c, where it could be used only
for one function, to pci/pci-acpi.c where it can be shared for all these
functions.
[bhelgaas: changelog]
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 24c7728ca681..3801c704a945 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -77,6 +77,9 @@ static inline void acpiphp_remove_slots(struct pci_bus *bus) { } static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } #endif +extern const u8 pci_acpi_dsm_uuid[]; +#define DEVICE_LABEL_DSM 0x07 + #else /* CONFIG_ACPI */ static inline void acpi_pci_add_bus(struct pci_bus *bus) { } static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } |