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drm/amdgpu: Add helpers to set/get unique ids

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Add a struct to store unique id information for each type. Add helper
to fetch the unique id.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2025-08-04 13:13:06 +05:30
committed by Alex Deucher
parent 892bac995b
commit 589ea8a1fd
2 changed files with 91 additions and 0 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -819,6 +819,20 @@ struct amdgpu_ip_map_info {
uint32_t mask);
};
enum amdgpu_uid_type {
AMDGPU_UID_TYPE_XCD,
AMDGPU_UID_TYPE_AID,
AMDGPU_UID_TYPE_SOC,
AMDGPU_UID_TYPE_MAX
};
#define AMDGPU_UID_INST_MAX 8 /* max number of instances for each UID type */
struct amdgpu_uid {
uint64_t uid[AMDGPU_UID_TYPE_MAX][AMDGPU_UID_INST_MAX];
struct amdgpu_device *adev;
};
struct amd_powerplay {
void *pp_handle;
const struct amd_pm_funcs *pp_funcs;
@@ -1302,6 +1316,7 @@ struct amdgpu_device {
struct list_head userq_mgr_list;
struct mutex userq_mutex;
bool userq_halt_for_enforce_isolation;
struct amdgpu_uid *uid_info;
};
static inline uint32_t amdgpu_ip_version(const struct amdgpu_device *adev,
@@ -1785,4 +1800,9 @@ static inline int amdgpu_device_bus_status_check(struct amdgpu_device *adev)
return 0;
}
void amdgpu_device_set_uid(struct amdgpu_uid *uid_info,
enum amdgpu_uid_type type, uint8_t inst,
uint64_t uid);
uint64_t amdgpu_device_get_uid(struct amdgpu_uid *uid_info,
enum amdgpu_uid_type type, uint8_t inst);
#endif