RE: [PATCH] drm/amdgpu: add sdma 4_x interrupts printing

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[AMD Public Use]

+	if (instance < 0 || instance > 7){

Please check sdma.num_instances for the maximum instance, instead of hard coded to 7. The SDMA instance numbers vary from ASIC to ASIC.

With above fixed, the patch is

Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>

Regards,
Hawking
-----Original Message-----
From: Feifei Xu <Feifei.Xu@xxxxxxx> 
Sent: Thursday, March 4, 2021 11:45
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Xu, Feifei <Feifei.Xu@xxxxxxx>
Subject: [PATCH] drm/amdgpu: add sdma 4_x interrupts printing

Add VM_HOLE/DOORBELL_INVALID_BE/POLL_TIMEOUT/SRBMWRITE
interrupt info printing.

Signed-off-by: Feifei Xu <Feifei.Xu@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h |   5 +
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c   | 119 +++++++++++++++++++++++
 2 files changed, 124 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
index e5b8fb8e75c5..f8fb755e3aa6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -64,6 +64,11 @@ struct amdgpu_sdma {
 	struct amdgpu_irq_src	trap_irq;
 	struct amdgpu_irq_src	illegal_inst_irq;
 	struct amdgpu_irq_src	ecc_irq;
+	struct amdgpu_irq_src	vm_hole_irq;
+	struct amdgpu_irq_src	doorbell_invalid_irq;
+	struct amdgpu_irq_src	pool_timeout_irq;
+	struct amdgpu_irq_src	srbm_write_irq;
+
 	int			num_instances;
 	uint32_t                    srbm_soft_reset;
 	bool			has_page_queue;
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 3bede8a70d7e..3305b8ec5025 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1944,6 +1944,33 @@ static int sdma_v4_0_sw_init(void *handle)
 			return r;
 	}
 
+	/* SDMA VM_HOLE/DOORBELL_INV/POLL_TIMEOUT/SRBM_WRITE_PROTECTION event*/
+	for (i = 0; i < adev->sdma.num_instances; i++) {
+		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
+				      SDMA0_4_0__SRCID__SDMA_VM_HOLE,
+				      &adev->sdma.vm_hole_irq);
+		if (r)
+			return r;
+
+		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
+				      SDMA0_4_0__SRCID__SDMA_DOORBELL_INVALID,
+				      &adev->sdma.doorbell_invalid_irq);
+		if (r)
+			return r;
+
+		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
+				      SDMA0_4_0__SRCID__SDMA_POLL_TIMEOUT,
+				      &adev->sdma.pool_timeout_irq);
+		if (r)
+			return r;
+
+		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
+				      SDMA0_4_0__SRCID__SDMA_SRBMWRITE,
+				      &adev->sdma.srbm_write_irq);
+		if (r)
+			return r;
+	}
+
 	for (i = 0; i < adev->sdma.num_instances; i++) {
 		ring = &adev->sdma.instance[i].ring;
 		ring->ring_obj = NULL;
@@ -2198,6 +2225,72 @@ static int sdma_v4_0_set_ecc_irq_state(struct amdgpu_device *adev,
 	return 0;
 }
 
+static int sdma_v4_0_print_iv_entry(struct amdgpu_device *adev,
+					      struct amdgpu_iv_entry *entry) {
+	int instance;
+	struct amdgpu_task_info task_info;
+	u64 addr;
+	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
+	if (instance < 0 || instance > 7){
+		dev_err(adev->dev, "sdma instance invalid %d\n", instance);
+		return -EINVAL;
+	}
+
+	addr = (u64)entry->src_data[0] << 12;
+	addr |= ((u64)entry->src_data[1] & 0xf) << 44;
+
+	memset(&task_info, 0, sizeof(struct amdgpu_task_info));
+	amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
+
+	dev_info(adev->dev,
+		   "[sdma%d] address:0x%016llx src_id:%u ring:%u vmid:%u "
+		   "pasid:%u, for process %s pid %d thread %s pid %d\n",
+		   instance, addr, entry->src_id, entry->ring_id, entry->vmid,
+		   entry->pasid, task_info.process_name, task_info.tgid,
+		   task_info.task_name, task_info.pid);
+	return 0;
+}
+
+static int sdma_v4_0_process_vm_hole_irq(struct amdgpu_device *adev,
+					      struct amdgpu_irq_src *source,
+					      struct amdgpu_iv_entry *entry) {
+	dev_err(adev->dev,"MC or SEM address in VM hole. \n");
+	sdma_v4_0_print_iv_entry(adev, entry);
+	return 0;
+}
+
+static int sdma_v4_0_process_doorbell_invalid_irq(struct amdgpu_device *adev,
+					      struct amdgpu_irq_src *source,
+					      struct amdgpu_iv_entry *entry) {
+	dev_err(adev->dev,
+		"SDMA received a doorbell from BIF with byte_enable != 0xff.  \n");
+	sdma_v4_0_print_iv_entry(adev, entry);
+	return 0;
+}
+
+static int sdma_v4_0_process_pool_timeout_irq(struct amdgpu_device *adev,
+					      struct amdgpu_irq_src *source,
+					      struct amdgpu_iv_entry *entry) {
+	dev_err(adev->dev,
+		"Polling register/memory timeout executing POLL_REG/MEM with finite timer\n");
+	sdma_v4_0_print_iv_entry(adev, entry);
+	return 0;
+}
+
+static int sdma_v4_0_process_srbm_write_irq(struct amdgpu_device *adev,
+					      struct amdgpu_irq_src *source,
+					      struct amdgpu_iv_entry *entry) {
+	dev_err(adev->dev,
+		"SDMA gets an Register Write SRBM_WRITE command in non-privilege command buffer.\n");
+	sdma_v4_0_print_iv_entry(adev, entry);
+	return 0;
+}
+
 static void sdma_v4_0_update_medium_grain_clock_gating(
 		struct amdgpu_device *adev,
 		bool enable)
@@ -2515,7 +2608,21 @@ static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = {
 	.process = amdgpu_sdma_process_ecc_irq,  };
 
+static const struct amdgpu_irq_src_funcs sdma_v4_0_vm_hole_irq_funcs = {
+	.process = sdma_v4_0_process_vm_hole_irq, };
+
+static const struct amdgpu_irq_src_funcs sdma_v4_0_doorbell_invalid_irq_funcs = {
+	.process = sdma_v4_0_process_doorbell_invalid_irq,
+};
 
+static const struct amdgpu_irq_src_funcs sdma_v4_0_pool_timeout_irq_funcs = {
+	.process = sdma_v4_0_process_pool_timeout_irq,
+};
+
+static const struct amdgpu_irq_src_funcs sdma_v4_0_srbm_write_irq_funcs = {
+	.process = sdma_v4_0_process_srbm_write_irq, };
 
 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)  { @@ -2527,10 +2634,18 @@ static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
 	case 5:
 		adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
 		adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
+		adev->sdma.vm_hole_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
+		adev->sdma.doorbell_invalid_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
+		adev->sdma.pool_timeout_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
+		adev->sdma.srbm_write_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
 		break;
 	case 8:
 		adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
 		adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
+		adev->sdma.vm_hole_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE5;
+		adev->sdma.doorbell_invalid_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
+		adev->sdma.pool_timeout_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
+		adev->sdma.srbm_write_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
 		break;
 	case 2:
 	default:
@@ -2541,6 +2656,10 @@ static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
 	adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs;
 	adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs;
 	adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs;
+	adev->sdma.vm_hole_irq.funcs = &sdma_v4_0_vm_hole_irq_funcs;
+	adev->sdma.doorbell_invalid_irq.funcs = &sdma_v4_0_doorbell_invalid_irq_funcs;
+	adev->sdma.pool_timeout_irq.funcs = &sdma_v4_0_pool_timeout_irq_funcs;
+	adev->sdma.srbm_write_irq.funcs = &sdma_v4_0_srbm_write_irq_funcs;
 }
 
 /**
--
2.25.1
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