diff options
| author | Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> | 2019-09-05 22:31:46 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2019-10-16 00:39:10 +0300 |
| commit | 751035b8dc061ae434c3311bac9cd6d0e5e00f94 (patch) | |
| tree | 8600149cd20b8c7193ac3ae86d1e59e14c3389be /include/linux/pci.h | |
| parent | c065190bbcd4fb54ce9c5fd34fcad71acf2a0ea4 (diff) | |
| download | linux-751035b8dc061ae434c3311bac9cd6d0e5e00f94.tar.xz | |
PCI/ATS: Cache PASID Capability offset
Previously each PASID interface searched for the PASID 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_pasid_init() from
pci_init_capabilities()]
Link: https://lore.kernel.org/r/4957778959fa34eab3e8b3065d1951989c61cb0f.1567029860.git.sathyanarayanan.kuppuswamy@linux.intel.com
Link: https://lore.kernel.org/r/20190905193146.90250-6-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 e7770d990c46..6542100bd2dd 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -458,6 +458,7 @@ struct pci_dev { u32 pri_reqs_alloc; /* Number of PRI requests allocated */ #endif #ifdef CONFIG_PCI_PASID + u16 pasid_cap; /* PASID Capability offset */ u16 pasid_features; #endif #ifdef CONFIG_PCI_P2PDMA |