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| author |   Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> | 2019-09-05 14:31:45 -0500 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2019-10-15 16:39:09 -0500 |
| commit | c065190bbcd4fb54ce9c5fd34fcad71acf2a0ea4 (patch) | |
| tree | 028ddd64500970c58eebf7a51f1d25b4014f7183 /include/linux/pci.h | |
| parent | PCI/ATS: Disable PF/VF ATS service independently (diff) | |
| download | wireguard-linux-c065190bbcd4fb54ce9c5fd34fcad71acf2a0ea4.tar.xz wireguard-linux-c065190bbcd4fb54ce9c5fd34fcad71acf2a0ea4.zip | |
PCI/ATS: Cache PRI Capability offset
Previously each PRI interface searched for the PRI Capability. Cache the
capability offset the first time we use it instead of searching each time.
[bhelgaas: commit log, reorder patch to later, call pci_pri_init() from
pci_init_capabilities()]
Link: https://lore.kernel.org/r/0c5495d376faf6dbb8eb2165204c474438aaae65.156
7029860.git.sathyanarayanan.kuppuswamy@linux.intel.com
Link: https://lore.kernel.org/r/20190905193146.90250-5-helgaas@kernel.org
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index c028883c8460..e7770d990c46 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -454,6 +454,7 @@ struct pci_dev { u8 ats_stu; /* ATS Smallest Translation Unit */ #endif #ifdef CONFIG_PCI_PRI + u16 pri_cap; /* PRI Capability offset */ u32 pri_reqs_alloc; /* Number of PRI requests allocated */ #endif #ifdef CONFIG_PCI_PASID |