From: Victor Skvortsov Date: Wed, 30 Oct 2024 13:45:27 +0000 (-0400) Subject: drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry X-Git-Tag: v6.13-rc1~122^2~1^2~15 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9928509dfc2296a66cd073eb84bfae8eccf7195d;p=thirdparty%2Fkernel%2Flinux.git drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry Add message handlers for RAS telemetry. Signed-off-by: Victor Skvortsov Reviewed-by: Zhigang Luo Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index b650a2032c42b..f6eee57338df8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -95,6 +95,7 @@ struct amdgpu_virt_ops { void (*ras_poison_handler)(struct amdgpu_device *adev, enum amdgpu_ras_block block); bool (*rcvd_ras_intr)(struct amdgpu_device *adev); + int (*req_ras_err_count)(struct amdgpu_device *adev); }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c index f47bd7ada4d79..4dcb72d1bdda2 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c @@ -61,15 +61,18 @@ static enum idh_event xgpu_nv_mailbox_peek_msg(struct amdgpu_device *adev) static int xgpu_nv_mailbox_rcv_msg(struct amdgpu_device *adev, enum idh_event event) { + int r = 0; u32 reg; reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0); - if (reg != event) + if (reg == IDH_FAIL) + r = -EINVAL; + else if (reg != event) return -ENOENT; xgpu_nv_mailbox_send_ack(adev); - return 0; + return r; } static uint8_t xgpu_nv_peek_ack(struct amdgpu_device *adev) @@ -178,6 +181,9 @@ send_request: if (data1 != 0) event = IDH_RAS_POISON_READY; break; + case IDH_REQ_RAS_ERROR_COUNT: + event = IDH_RAS_ERROR_COUNT_READY; + break; default: break; } @@ -456,6 +462,11 @@ static bool xgpu_nv_rcvd_ras_intr(struct amdgpu_device *adev) return (msg == IDH_RAS_ERROR_DETECTED || msg == 0xFFFFFFFF); } +static int xgpu_nv_req_ras_err_count(struct amdgpu_device *adev) +{ + return xgpu_nv_send_access_requests(adev, IDH_REQ_RAS_ERROR_COUNT); +} + const struct amdgpu_virt_ops xgpu_nv_virt_ops = { .req_full_gpu = xgpu_nv_request_full_gpu_access, .rel_full_gpu = xgpu_nv_release_full_gpu_access, @@ -466,4 +477,5 @@ const struct amdgpu_virt_ops xgpu_nv_virt_ops = { .trans_msg = xgpu_nv_mailbox_trans_msg, .ras_poison_handler = xgpu_nv_ras_poison_handler, .rcvd_ras_intr = xgpu_nv_rcvd_ras_intr, + .req_ras_err_count = xgpu_nv_req_ras_err_count, };