From cbe4d43ea5e903ae3e8555cc39047b0ed027738a Mon Sep 17 00:00:00 2001
From: Tao Zhou <tao.zhou1@amd.com>
Date: Mon, 17 Oct 2022 18:22:13 +0800
Subject: drm/amdgpu: add RAS page retirement functions for MCA
Define page retirement functions for MCA platform.
v2: remove page retirement handling from MCA poison handler,
let MCA notifier do page retirement.
v3: remove specific poison handler for MCA to simplify code.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 53 +++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
index aad3c8b4c810..3c83129f4090 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
@@ -22,6 +22,59 @@
*/
#include "amdgpu.h"
+#include "umc_v6_7.h"
+
+static int amdgpu_umc_convert_error_address(struct amdgpu_device *adev,
+ struct ras_err_data *err_data, uint64_t err_addr,
+ uint32_t ch_inst, uint32_t umc_inst)
+{
+ switch (adev->ip_versions[UMC_HWIP][0]) {
+ case IP_VERSION(6, 7, 0):
+ umc_v6_7_convert_error_address(adev,
+ err_data, err_addr, ch_inst, umc_inst);
+ break;
+ default:
+ dev_warn(adev->dev,
+ "UMC address to Physical address translation is not supported\n");
+ return AMDGPU_RAS_FAIL;
+ }
+
+ return AMDGPU_RAS_SUCCESS;
+}
+
+int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
+ uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst)
+{
+ struct ras_err_data err_data = {0, 0, 0, NULL};
+ int ret = AMDGPU_RAS_FAIL;
+
+ err_data.err_addr =
+ kcalloc(adev->umc.max_ras_err_cnt_per_query,
+ sizeof(struct eeprom_table_record), GFP_KERNEL);
+ if (!err_data.err_addr) {
+ dev_warn(adev->dev,
+ "Failed to alloc memory for umc error record in MCA notifier!\n");
+ return AMDGPU_RAS_FAIL;
+ }
+
+ /*
+ * Translate UMC channel address to Physical address
+ */
+ ret = amdgpu_umc_convert_error_address(adev, &err_data, err_addr,
+ ch_inst, umc_inst);
+ if (ret)
+ goto out;
+
+ if (amdgpu_bad_page_threshold != 0) {
+ amdgpu_ras_add_bad_pages(adev, err_data.err_addr,
+ err_data.err_addr_cnt);
+ amdgpu_ras_save_bad_pages(adev);
+ }
+
+out:
+ kfree(err_data.err_addr);
+ return ret;
+}
static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev,
void *ras_error_status,
--
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