[PATCH 04/15] drm/amdgpu: add poison creation handler
Chai, Thomas
YiPeng.Chai at amd.com
Thu Apr 25 03:35:34 UTC 2024
[AMD Official Use Only - General]
OK, I will do this.
-----------------
Best Regards,
Thomas
-----Original Message-----
From: Zhang, Hawking <Hawking.Zhang at amd.com>
Sent: Thursday, April 25, 2024 10:33 AM
To: Chai, Thomas <YiPeng.Chai at amd.com>; amd-gfx at lists.freedesktop.org
Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Li, Candice <Candice.Li at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Yang, Stanley <Stanley.Yang at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
Subject: RE: [PATCH 04/15] drm/amdgpu: add poison creation handler
[AMD Official Use Only - General]
Is it okay to drop below static function and just implement the logic in poison creation handler leveraging the ras query api: amdgpu_ras_query_error_status.
It seems to me the static function may not be able to be used for other IP blocks.
Regards,
Hawking
+ static int amdgpu_ras_query_ecc_status(struct amdgpu_device *adev,
+ enum amdgpu_ras_block ras_block, uint32_t timeout_ms) {
+ int ret = 0;
+ struct ras_ecc_log_info *ecc_log;
+ struct ras_query_if info;
+ uint32_t timeout = timeout_ms;
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+ memset(&info, 0, sizeof(info));
+ info.head.block = ras_block;
+
+ ecc_log = &ras->umc_ecc_log;
+ ecc_log->de_updated = false;
+ do {
+ ret = amdgpu_ras_query_error_status(adev, &info);
+ if (ret) {
+ dev_err(adev->dev, "Failed to query ras error! ret:%d\n", ret);
+ return ret;
+ }
+
+ if (timeout && !ecc_log->de_updated) {
+ msleep(1);
+ timeout--;
+ }
+ } while (timeout && !ecc_log->de_updated);
+
+ if (timeout_ms && !timeout) {
+ dev_warn(adev->dev, "Can't find deferred error\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static void amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev,
+ uint32_t timeout) {
+ amdgpu_ras_query_ecc_status(adev, AMDGPU_RAS_BLOCK__UMC,
+timeout); }
+
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of YiPeng Chai
Sent: Thursday, April 18, 2024 10:58
To: amd-gfx at lists.freedesktop.org
Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Li, Candice <Candice.Li at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Yang, Stanley <Stanley.Yang at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
Subject: [PATCH 04/15] drm/amdgpu: add poison creation handler
Add poison creation handler.
Signed-off-by: YiPeng Chai <YiPeng.Chai at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 74 +++++++++++++++++++++++--
1 file changed, 69 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 64e6e20c6de7..126616eaeec1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2080,6 +2080,17 @@ static void amdgpu_ras_interrupt_poison_creation_handler(struct ras_manager *obj {
dev_info(obj->adev->dev,
"Poison is created\n");
+
+ if (amdgpu_ip_version(obj->adev, UMC_HWIP, 0) >= IP_VERSION(12, 0, 0)) {
+ struct amdgpu_ras *con =
+ amdgpu_ras_get_context(obj->adev);
+
+ amdgpu_ras_put_poison_req(obj->adev,
+ AMDGPU_RAS_BLOCK__UMC, 0, NULL, NULL, false);
+
+ atomic_inc(&con->page_retirement_req_cnt);
+
+ wake_up(&con->page_retirement_wq);
+ }
}
static void amdgpu_ras_interrupt_umc_handler(struct ras_manager *obj, @@ -2754,10 +2765,54 @@ static void amdgpu_ras_ecc_log_fini(struct ras_ecc_log_info *ecc_log)
mutex_destroy(&ecc_log->lock);
ecc_log->de_updated = false;
}
+
+static int amdgpu_ras_query_ecc_status(struct amdgpu_device *adev,
+ enum amdgpu_ras_block ras_block, uint32_t timeout_ms) {
+ int ret = 0;
+ struct ras_ecc_log_info *ecc_log;
+ struct ras_query_if info;
+ uint32_t timeout = timeout_ms;
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+ memset(&info, 0, sizeof(info));
+ info.head.block = ras_block;
+
+ ecc_log = &ras->umc_ecc_log;
+ ecc_log->de_updated = false;
+ do {
+ ret = amdgpu_ras_query_error_status(adev, &info);
+ if (ret) {
+ dev_err(adev->dev, "Failed to query ras error! ret:%d\n", ret);
+ return ret;
+ }
+
+ if (timeout && !ecc_log->de_updated) {
+ msleep(1);
+ timeout--;
+ }
+ } while (timeout && !ecc_log->de_updated);
+
+ if (timeout_ms && !timeout) {
+ dev_warn(adev->dev, "Can't find deferred error\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static void amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev,
+ uint32_t timeout) {
+ amdgpu_ras_query_ecc_status(adev, AMDGPU_RAS_BLOCK__UMC,
+timeout); }
+
static int amdgpu_ras_page_retirement_thread(void *param) {
struct amdgpu_device *adev = (struct amdgpu_device *)param;
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+ struct ras_poison_msg poison_msg;
+ enum amdgpu_ras_block ras_block;
while (!kthread_should_stop()) {
@@ -2768,13 +2823,22 @@ static int amdgpu_ras_page_retirement_thread(void *param)
if (kthread_should_stop())
break;
- dev_info(adev->dev, "Start processing page retirement. request:%d\n",
- atomic_read(&con->page_retirement_req_cnt));
-
atomic_dec(&con->page_retirement_req_cnt);
- amdgpu_umc_bad_page_polling_timeout(adev,
- 0, MAX_UMC_POISON_POLLING_TIME_ASYNC);
+ if (!amdgpu_ras_get_poison_req(adev, &poison_msg))
+ continue;
+
+ ras_block = poison_msg.block;
+
+ dev_info(adev->dev, "Start processing ras block %s(%d)\n",
+ ras_block_str(ras_block), ras_block);
+
+ if (ras_block == AMDGPU_RAS_BLOCK__UMC)
+ amdgpu_ras_poison_creation_handler(adev,
+ MAX_UMC_POISON_POLLING_TIME_ASYNC);
+ else
+ amdgpu_umc_bad_page_polling_timeout(adev,
+ false,
+ MAX_UMC_POISON_POLLING_TIME_ASYNC);
}
return 0;
--
2.34.1
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