diff options
| author | Daniel J Blueman <daniel@numascale-asia.com> | 2012-11-27 10:32:09 +0400 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2013-01-10 19:17:58 +0400 |
| commit | 772c3ff385eda0d0b4744596f87b79a17f8c9282 (patch) | |
| tree | beafb4dbaafa13dc01a35acb5d8b4949bb568d0e /arch/x86/include/asm/amd_nb.h | |
| parent | 9931faca02c604c22335f5a935a501bb2ace6e20 (diff) | |
| download | linux-772c3ff385eda0d0b4744596f87b79a17f8c9282.tar.xz | |
x86, AMD, NB: Add multi-domain support
Fix get_node_id to match northbridge IDs from the array of detected
ones, allowing multi-server support such as with Numascale's
NumaConnect, renaming to 'amd_get_node_id' for consistency.
Signed-off-by: Daniel J Blueman <daniel@numascale-asia.com>
Link: http://lkml.kernel.org/r/1353997932-8475-1-git-send-email-daniel@numascale-asia.com
[Boris: shorten lines to fit 80 cols]
Signed-off-by: Borislav Petkov <bp@alien8.de>
Diffstat (limited to 'arch/x86/include/asm/amd_nb.h')
| -rw-r--r-- | arch/x86/include/asm/amd_nb.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index b3341e9cd8fd..a54ee1d054d9 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -81,6 +81,23 @@ static inline struct amd_northbridge *node_to_amd_nb(int node) return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL; } +static inline u16 amd_get_node_id(struct pci_dev *pdev) +{ + struct pci_dev *misc; + int i; + + for (i = 0; i != amd_nb_num(); i++) { + misc = node_to_amd_nb(i)->misc; + + if (pci_domain_nr(misc->bus) == pci_domain_nr(pdev->bus) && + PCI_SLOT(misc->devfn) == PCI_SLOT(pdev->devfn)) + return i; + } + + WARN(1, "Unable to find AMD Northbridge id for %s\n", pci_name(pdev)); + return 0; +} + #else #define amd_nb_num(x) 0 |