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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-06-15 17:16:56 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-08-24 07:38:23 +0200 |
| commit | c73acdb69eb8128bbbb3bed63cb0ca1b943027ee (patch) | |
| tree | 37506b393476491ed47ad48f1f63664be3518219 /src/include/device/pci_def.h | |
| parent | 842f0bab0416d223ecda97817fb5326c666b0499 (diff) | |
Add test to match struct device with pci_devfn_t
Add a function to test if pci_devfn_t matches with a device
instance of struct device, by comparing bus:dev.fn.
Change-Id: Ic6c3148ac62c7183246d83302ee504b17064c794
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3474
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/include/device/pci_def.h')
| -rw-r--r-- | src/include/device/pci_def.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h index ac20659f10..dae4e685b5 100644 --- a/src/include/device/pci_def.h +++ b/src/include/device/pci_def.h @@ -474,4 +474,8 @@ #define PCI_FUNC(devfn) ((devfn) & 0x07) #define PCI_BDF(bus,dev,func) ((bus) << 16 | (dev) << 11 | (func) << 8) +/* Translation from PCI_DEV() to devicetree bus and path.pci.devfn. */ +#define PCI_DEV2DEVFN(sdev) (((sdev)>>12) & 0xff) +#define PCI_DEV2SEGBUS(sdev) (((sdev)>>20) & 0xfff) + #endif /* PCI_DEF_H */ |