add ACA bank dump debugfs support
Signed-off-by: Yang Wang <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c | 119 ++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h | 2 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 14 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 1 +
4 files changed, 136 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
index cadeda64eded..68b61aaac6d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
@@ -706,3 +706,122 @@ int aca_bank_check_error_codes(struct amdgpu_device
*adev, struct aca_bank *bank
return -EINVAL;
}
+int amdgpu_aca_smu_set_debug_mode(struct amdgpu_device *adev, bool en)
+{
+ struct amdgpu_aca *aca = &adev->aca;
+ const struct aca_smu_funcs *smu_funcs = aca->smu_funcs;
+
+ if (!smu_funcs || !smu_funcs->set_debug_mode)
+ return -EOPNOTSUPP;
+
+ return smu_funcs->set_debug_mode(adev, en);
+}
+
+#if defined(CONFIG_DEBUG_FS)
+static int amdgpu_aca_smu_debug_mode_set(void *data, u64 val)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)data;
+ int ret;
+
+ ret = amdgpu_ras_set_aca_debug_mode(adev, val ? true : false);
+ if (ret)
+ return ret;
+
+ dev_info(adev->dev, "amdgpu set smu aca debug mode %s success\n", val ?
"on" : "off");
+
+ return 0;
+}
+
+static void aca_dump_entry(struct seq_file *m, struct aca_bank *bank, enum
aca_error_type type, int idx)
+{
+ struct aca_bank_info info;
+ int i, ret;
+
+ ret = aca_bank_info_decode(bank, &info);
+ if (ret)
+ return;
+
+ seq_printf(m, "aca entry[%d].type: %s\n", idx, type ==
ACA_ERROR_TYPE_UE ? "UE" : "CE");
+ seq_printf(m, "aca entry[%d].info: socketid:%d aid:%d hwid:0x%03x
mcatype:0x%04x\n",
+ idx, info.socket_id, info.die_id, info.hwid, info.mcatype);
+
+ for (i = 0; i < ARRAY_SIZE(aca_regs); i++)
+ seq_printf(m, "aca entry[%d].regs[%d]: 0x%016llx\n", idx,
aca_regs[i].reg_idx, bank->regs[aca_regs[i].reg_idx]);
+}
+
+struct aca_dump_context {
+ struct seq_file *m;
+ int idx;
+};
+
+static int handler_aca_bank_dump(struct aca_handle *handle, struct aca_bank
*bank,
+ enum aca_error_type type, void *data)
+{
+ struct aca_dump_context *ctx = (struct aca_dump_context *)data;
+
+ aca_dump_entry(ctx->m, bank, type, ctx->idx++);
+
+ return handler_aca_log_bank_error(handle, bank, type, NULL);
+}
+
+static int aca_dump_show(struct seq_file *m, enum aca_error_type type)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+ struct aca_dump_context context = {
+ .m = m,
+ .idx = 0,
+ };
+
+ return aca_bank_update(adev, type, handler_aca_bank_dump, (void
*)&context);
+}
+
+static int aca_dump_ce_show(struct seq_file *m, void *unused)
+{
+ return aca_dump_show(m, ACA_ERROR_TYPE_CE);
+}
+
+static int aca_dump_ce_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, aca_dump_ce_show, inode->i_private);
+}
+
+static const struct file_operations aca_ce_dump_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = aca_dump_ce_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int aca_dump_ue_show(struct seq_file *m, void *unused)
+{
+ return aca_dump_show(m, ACA_ERROR_TYPE_UE);
+}
+
+static int aca_dump_ue_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, aca_dump_ue_show, inode->i_private);
+}
+
+static const struct file_operations aca_ue_dump_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = aca_dump_ue_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+DEFINE_DEBUGFS_ATTRIBUTE(aca_debug_mode_fops, NULL,
amdgpu_aca_smu_debug_mode_set, "%llu\n");
+#endif
+
+void amdgpu_aca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry
*root)
+{
+#if defined(CONFIG_DEBUG_FS)
+ if (!root || adev->ip_versions[MP1_HWIP][0] != IP_VERSION(13, 0, 6))
+ return;
+
+ debugfs_create_file("aca_debug_mode", 0200, root, adev,
&aca_debug_mode_fops);
+ debugfs_create_file("aca_ue_dump", 0400, root, adev,
&aca_ue_dump_debug_fops);
+ debugfs_create_file("aca_ce_dump", 0400, root, adev,
&aca_ce_dump_debug_fops);
+#endif
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
index 688907270ff7..961fad87281f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
@@ -193,4 +193,6 @@ int amdgpu_aca_add_handle(struct amdgpu_device *adev,
struct aca_handle *handle,
void amdgpu_aca_remove_handle(struct aca_handle *handle);
int amdgpu_aca_get_error_data(struct amdgpu_device *adev, struct aca_handle
*handle,
enum aca_error_type type, void *data);
+int amdgpu_aca_smu_set_debug_mode(struct amdgpu_device *adev, bool en);
+void amdgpu_aca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry
*root);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 39399d0f2ce5..038bd1b17cef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -3428,6 +3428,20 @@ int amdgpu_ras_set_mca_debug_mode(struct amdgpu_device
*adev, bool enable)
return ret;
}
+int amdgpu_ras_set_aca_debug_mode(struct amdgpu_device *adev, bool enable)
+{
+ struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+ int ret = 0;
+
+ if (con) {
+ ret = amdgpu_aca_smu_set_debug_mode(adev, enable);
+ if (!ret)
+ con->is_mca_debug_mode = enable;
+ }
+
+ return ret;
+}
+
bool amdgpu_ras_get_mca_debug_mode(struct amdgpu_device *adev)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
index c36faf353b46..408e21c3cc88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
@@ -781,6 +781,7 @@ struct amdgpu_ras* amdgpu_ras_get_context(struct
amdgpu_device *adev);
int amdgpu_ras_set_context(struct amdgpu_device *adev, struct amdgpu_ras
*ras_con);
+int amdgpu_ras_set_aca_debug_mode(struct amdgpu_device *adev, bool enable);
int amdgpu_ras_set_mca_debug_mode(struct amdgpu_device *adev, bool enable);
bool amdgpu_ras_get_mca_debug_mode(struct amdgpu_device *adev);
bool amdgpu_ras_get_error_query_mode(struct amdgpu_device *adev,
--
2.34.1
