Cache the current fault info in the vm struct. This can be queried by userspace later to help debug UMDs.
Cc: [email protected] Acked-by: Guchun Chen <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 11 +++++++---- 5 files changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 6b430e10d38ed..167f4ba3d00f3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -148,6 +148,9 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev, status = RREG32(hub->vm_l2_pro_fault_status); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + + amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, + entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0)); } if (!printk_ratelimit()) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c index a6ee0220db562..8deed09baa434 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c @@ -115,6 +115,9 @@ static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev, status = RREG32(hub->vm_l2_pro_fault_status); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + + amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, + entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0)); } if (printk_ratelimit()) { diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 6a6929ac27482..9384a70395459 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1273,6 +1273,9 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, if (!addr && !status) return 0; + amdgpu_vm_update_fault_cache(adev, entry->pasid, + ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0)); + if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v7_0_set_fault_enable_default(adev, false); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 5af2352025132..4886701fe3e2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1442,6 +1442,9 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, if (!addr && !status) return 0; + amdgpu_vm_update_fault_cache(adev, entry->pasid, + ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0)); + if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v8_0_set_fault_enable_default(adev, false); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 880460cd32398..cc91bb9d36be1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -554,6 +554,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_vmhub *hub; const char *mmhub_cid; const char *hub_name; + unsigned int vmhub; u64 addr; uint32_t cam_index = 0; int ret, xcc_id = 0; @@ -566,10 +567,10 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (entry->client_id == SOC15_IH_CLIENTID_VMC) { hub_name = "mmhub0"; - hub = &adev->vmhub[AMDGPU_MMHUB0(node_id / 4)]; + vmhub = AMDGPU_MMHUB0(node_id / 4); } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) { hub_name = "mmhub1"; - hub = &adev->vmhub[AMDGPU_MMHUB1(0)]; + vmhub = AMDGPU_MMHUB1(0); } else { hub_name = "gfxhub0"; if (adev->gfx.funcs->ih_node_to_logical_xcc) { @@ -578,8 +579,9 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (xcc_id < 0) xcc_id = 0; } - hub = &adev->vmhub[xcc_id]; + vmhub = xcc_id; } + hub = &adev->vmhub[vmhub]; if (retry_fault) { if (adev->irq.retry_cam_enabled) { @@ -625,7 +627,6 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, if (!printk_ratelimit()) return 0; - memset(&task_info, 0, sizeof(struct amdgpu_task_info)); amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); @@ -661,6 +662,8 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, vmhub); + dev_err(adev->dev, "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); -- 2.41.0
