RE: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support

2024-01-03 Thread Wang, Yang(Kevin)
[AMD Official Use Only - General]

Thanks, will update it in next version.

Best Regards,
Kevin

-Original Message-
From: Zhang, Hawking 
Sent: Wednesday, January 3, 2024 7:43 PM
To: Wang, Yang(Kevin) ; amd-gfx@lists.freedesktop.org
Cc: Zhou1, Tao ; Chai, Thomas 
Subject: RE: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support

[AMD Official Use Only - General]

+   if (instlo != 0x03b30400)

Just nitpick. Let's still use macro to define magic number 0x36430400, 
0x38430400, etc., although the same magic number has different representation 
depending on the IP blocks.

Regards,
Hawking

-Original Message-
From: Wang, Yang(Kevin) 
Sent: Wednesday, January 3, 2024 16:02
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking ; Zhou1, Tao ; 
Chai, Thomas ; Wang, Yang(Kevin) 
Subject: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support

add mmhub v1.8 ACA driver support

Signed-off-by: Yang Wang 
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | 87 +
 1 file changed, 87 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c 
b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
index fb53aacdcba2..a0a4a2f3227f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
@@ -705,8 +705,95 @@ static const struct amdgpu_ras_block_hw_ops 
mmhub_v1_8_ras_hw_ops = {
.reset_ras_error_count = mmhub_v1_8_reset_ras_error_count,  };

+static int mmhub_v1_8_aca_bank_generate_report(struct aca_handle *handle,
+  struct aca_bank *bank, enum 
aca_error_type type,
+  struct aca_bank_report *report, 
void *data) {
+   u64 status, misc0;
+   int ret;
+
+   status = bank->regs[ACA_REG_IDX_STATUS];
+   if ((type == ACA_ERROR_TYPE_UE &&
+ACA_REG__STATUS__ERRORCODEEXT(status) == ACA_EXTERROR_CODE_FAULT) 
||
+   (type == ACA_ERROR_TYPE_CE &&
+ACA_REG__STATUS__ERRORCODEEXT(status) ==
+ ACA_EXTERROR_CODE_CE)) {
+
+   ret = aca_bank_info_decode(bank, &report->info);
+   if (ret)
+   return ret;
+
+   misc0 = bank->regs[ACA_REG_IDX_MISC0];
+   report->count = ACA_REG__MISC0__ERRCNT(misc0);
+   report->type = type;
+   }
+
+   return 0;
+}
+
+/* reference to smu driver if header file */ static int
+mmhub_v1_8_err_codes[] = {
+   0, 1, 2, 3, 4, /* CODE_DAGB0 - 4 */
+   5, 6, 7, 8, 9, /* CODE_EA0 - 4 */
+   10, /* CODE_UTCL2_ROUTER */
+   11, /* CODE_VML2 */
+   12, /* CODE_VML2_WALKER */
+   13, /* CODE_MMCANE */
+};
+
+static bool mmhub_v1_8_aca_bank_is_valid(struct aca_handle *handle, struct 
aca_bank *bank,
+enum aca_error_type type, void *data) {
+   u32 instlo;
+
+   instlo = ACA_REG__IPID__INSTANCEIDLO(bank->regs[ACA_REG_IDX_IPID]);
+   instlo &= GENMASK(31, 1);
+
+   if (instlo != 0x03b30400)
+   return false;
+
+   if (aca_bank_check_error_codes(handle->adev, bank,
+  mmhub_v1_8_err_codes,
+  ARRAY_SIZE(mmhub_v1_8_err_codes)))
+   return false;
+
+   return true;
+}
+
+static const struct aca_bank_ops mmhub_v1_8_aca_bank_ops = {
+   .aca_bank_generate_report = mmhub_v1_8_aca_bank_generate_report,
+   .aca_bank_is_valid = mmhub_v1_8_aca_bank_is_valid, };
+
+static const struct aca_info mmhub_v1_8_aca_info = {
+   .hwip = ACA_HWIP_TYPE_SMU,
+   .mask = ACA_ERROR_UE_MASK,
+   .bank_ops = &mmhub_v1_8_aca_bank_ops, };
+
+static int mmhub_v1_8_ras_late_init(struct amdgpu_device *adev, struct
+ras_common_if *ras_block) {
+   int r;
+
+   r = amdgpu_ras_block_late_init(adev, ras_block);
+   if (r)
+   return r;
+
+   r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__MMHUB,
+   &mmhub_v1_8_aca_info, NULL);
+   if (r)
+   goto late_fini;
+
+   return 0;
+
+late_fini:
+   amdgpu_ras_block_late_fini(adev, ras_block);
+
+   return r;
+}
+
 struct amdgpu_mmhub_ras mmhub_v1_8_ras = {
.ras_block = {
.hw_ops = &mmhub_v1_8_ras_hw_ops,
+   .ras_late_init = mmhub_v1_8_ras_late_init,
},
 };
--
2.34.1




RE: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support

2024-01-03 Thread Zhang, Hawking
[AMD Official Use Only - General]

+   if (instlo != 0x03b30400)

Just nitpick. Let's still use macro to define magic number 0x36430400, 
0x38430400, etc., although the same magic number has different representation 
depending on the IP blocks.

Regards,
Hawking

-Original Message-
From: Wang, Yang(Kevin) 
Sent: Wednesday, January 3, 2024 16:02
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking ; Zhou1, Tao ; 
Chai, Thomas ; Wang, Yang(Kevin) 
Subject: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support

add mmhub v1.8 ACA driver support

Signed-off-by: Yang Wang 
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | 87 +
 1 file changed, 87 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c 
b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
index fb53aacdcba2..a0a4a2f3227f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
@@ -705,8 +705,95 @@ static const struct amdgpu_ras_block_hw_ops 
mmhub_v1_8_ras_hw_ops = {
.reset_ras_error_count = mmhub_v1_8_reset_ras_error_count,  };

+static int mmhub_v1_8_aca_bank_generate_report(struct aca_handle *handle,
+  struct aca_bank *bank, enum 
aca_error_type type,
+  struct aca_bank_report *report, 
void *data) {
+   u64 status, misc0;
+   int ret;
+
+   status = bank->regs[ACA_REG_IDX_STATUS];
+   if ((type == ACA_ERROR_TYPE_UE &&
+ACA_REG__STATUS__ERRORCODEEXT(status) == ACA_EXTERROR_CODE_FAULT) 
||
+   (type == ACA_ERROR_TYPE_CE &&
+ACA_REG__STATUS__ERRORCODEEXT(status) == ACA_EXTERROR_CODE_CE)) {
+
+   ret = aca_bank_info_decode(bank, &report->info);
+   if (ret)
+   return ret;
+
+   misc0 = bank->regs[ACA_REG_IDX_MISC0];
+   report->count = ACA_REG__MISC0__ERRCNT(misc0);
+   report->type = type;
+   }
+
+   return 0;
+}
+
+/* reference to smu driver if header file */ static int
+mmhub_v1_8_err_codes[] = {
+   0, 1, 2, 3, 4, /* CODE_DAGB0 - 4 */
+   5, 6, 7, 8, 9, /* CODE_EA0 - 4 */
+   10, /* CODE_UTCL2_ROUTER */
+   11, /* CODE_VML2 */
+   12, /* CODE_VML2_WALKER */
+   13, /* CODE_MMCANE */
+};
+
+static bool mmhub_v1_8_aca_bank_is_valid(struct aca_handle *handle, struct 
aca_bank *bank,
+enum aca_error_type type, void *data) {
+   u32 instlo;
+
+   instlo = ACA_REG__IPID__INSTANCEIDLO(bank->regs[ACA_REG_IDX_IPID]);
+   instlo &= GENMASK(31, 1);
+
+   if (instlo != 0x03b30400)
+   return false;
+
+   if (aca_bank_check_error_codes(handle->adev, bank,
+  mmhub_v1_8_err_codes,
+  ARRAY_SIZE(mmhub_v1_8_err_codes)))
+   return false;
+
+   return true;
+}
+
+static const struct aca_bank_ops mmhub_v1_8_aca_bank_ops = {
+   .aca_bank_generate_report = mmhub_v1_8_aca_bank_generate_report,
+   .aca_bank_is_valid = mmhub_v1_8_aca_bank_is_valid, };
+
+static const struct aca_info mmhub_v1_8_aca_info = {
+   .hwip = ACA_HWIP_TYPE_SMU,
+   .mask = ACA_ERROR_UE_MASK,
+   .bank_ops = &mmhub_v1_8_aca_bank_ops,
+};
+
+static int mmhub_v1_8_ras_late_init(struct amdgpu_device *adev, struct
+ras_common_if *ras_block) {
+   int r;
+
+   r = amdgpu_ras_block_late_init(adev, ras_block);
+   if (r)
+   return r;
+
+   r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__MMHUB,
+   &mmhub_v1_8_aca_info, NULL);
+   if (r)
+   goto late_fini;
+
+   return 0;
+
+late_fini:
+   amdgpu_ras_block_late_fini(adev, ras_block);
+
+   return r;
+}
+
 struct amdgpu_mmhub_ras mmhub_v1_8_ras = {
.ras_block = {
.hw_ops = &mmhub_v1_8_ras_hw_ops,
+   .ras_late_init = mmhub_v1_8_ras_late_init,
},
 };
--
2.34.1