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drm/amdkfd: Have kfd driver use same PASID values from graphic driver

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Current kfd driver has its own PASID value for a kfd process and uses it to
locate vm at interrupt handler or mapping between kfd process and vm. That
design is not working when a physical gpu device has multiple spatial
partitions, ex: adev in CPX mode. This patch has kfd driver use same pasid
values that graphic driver generated which is per vm per pasid.

These pasid values are passed to fw/hardware. We do not need change interrupt
handler though more pasid values are used. Also, pasid values at log are
replaced by user process pid; pasid values are not exposed to user. Users see
their process pids that have meaning in user space.

Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaogang Chen
2025-01-13 17:35:59 -06:00
committed by Alex Deucher
parent ca44922107
commit 8544374c0f
16 changed files with 197 additions and 182 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
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@@ -146,7 +146,7 @@ static void event_interrupt_poison_consumption_v9(struct kfd_node *dev,
{
enum amdgpu_ras_block block = 0;
uint32_t reset = 0;
struct kfd_process *p = kfd_lookup_process_by_pasid(pasid);
struct kfd_process *p = kfd_lookup_process_by_pasid(pasid, NULL);
enum ras_event_type type = RAS_EVENT_TYPE_POISON_CONSUMPTION;
u64 event_id;
int old_poison, ret;