diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-02-14 18:59:40 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:56:59 -0400 |
| commit | fa0497c34eb7dd9db9a09963917382e924c3fbc5 (patch) | |
| tree | d4462b6a714db740cf02444cb2dc6c7be0baeab9 /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | 1cc823011a23fa0e3497e9f6655172b2507ce2cd (diff) | |
drm/amdgpu: Add API to get numa information of XCC
Add interface to get numa information of ACPI XCC object. The interface
uses logical id to identify an XCC.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 6a13e9c27550..873532c4adbe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -54,12 +54,6 @@ static const guid_t amd_xcc_dsm_guid = GUID_INIT(0x8267f5d5, 0xa556, 0x44f2, #define AMD_XCC_MAX_HID 24 -struct amdgpu_numa_info { - uint64_t size; - int pxm; - int nid; -}; - struct xarray numa_info_xa; /* Encapsulates the XCD acpi object information */ @@ -1156,6 +1150,32 @@ int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset, return 0; } +int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id, + struct amdgpu_numa_info *numa_info) +{ + struct amdgpu_acpi_dev_info *dev_info; + struct amdgpu_acpi_xcc_info *xcc_info; + u16 bdf; + + if (!numa_info) + return -EINVAL; + + bdf = (adev->pdev->bus->number << 8) | adev->pdev->devfn; + dev_info = amdgpu_acpi_get_dev(bdf); + if (!dev_info) + return -ENOENT; + + list_for_each_entry(xcc_info, &dev_info->xcc_list, list) { + if (xcc_info->phy_id == xcc_id) { + memcpy(numa_info, xcc_info->numa_info, + sizeof(*numa_info)); + return 0; + } + } + + return -ENOENT; +} + /** * amdgpu_acpi_event - handle notify events * |