};
#define ras_err_str(i) (ras_error_string[ffs(i)])
-#define ras_block_str(i) (ras_block_string[i])
#define RAS_DEFAULT_FLAGS (AMDGPU_RAS_FLAG_INIT_BY_VBIOS)
/* inject address is 52 bits */
#define RAS_UMC_INJECT_ADDR_LIMIT (0x1ULL << 52)
-/* typical ECC bad page rate(1 bad page per 100MB VRAM) */
-#define RAS_BAD_PAGE_RATE (100 * 1024 * 1024ULL)
+/* typical ECC bad page rate is 1 bad page per 100MB VRAM */
+#define RAS_BAD_PAGE_COVER (100 * 1024 * 1024ULL)
enum amdgpu_ras_retire_page_reservation {
AMDGPU_RAS_RETIRE_PAGE_RESERVED,
* to see which blocks support RAS on a particular asic.
*
*/
-static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *buf,
- size_t size, loff_t *pos)
+static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f,
+ const char __user *buf,
+ size_t size, loff_t *pos)
{
struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
struct ras_debug_if data;
ret = amdgpu_ras_debugfs_ctrl_parse_data(f, buf, size, pos, &data);
if (ret)
- return -EINVAL;
+ return ret;
if (data.op == 3) {
ret = amdgpu_reserve_page_direct(adev, data.inject.address);
/* umc ce/ue error injection for a bad page is not allowed */
if ((data.head.block == AMDGPU_RAS_BLOCK__UMC) &&
amdgpu_ras_check_bad_page(adev, data.inject.address)) {
- dev_warn(adev->dev, "RAS WARN: 0x%llx has been marked "
- "as bad before error injection!\n",
- data.inject.address);
+ dev_warn(adev->dev, "RAS WARN: inject: 0x%llx has "
+ "already been marked as bad!\n",
+ data.inject.address);
break;
}
* will reset EEPROM table to 0 entries.
*
*/
-static ssize_t amdgpu_ras_debugfs_eeprom_write(struct file *f, const char __user *buf,
- size_t size, loff_t *pos)
+static ssize_t amdgpu_ras_debugfs_eeprom_write(struct file *f,
+ const char __user *buf,
+ size_t size, loff_t *pos)
{
struct amdgpu_device *adev =
(struct amdgpu_device *)file_inode(f)->i_private;
int ret;
ret = amdgpu_ras_eeprom_reset_table(
- &(amdgpu_ras_get_context(adev)->eeprom_control));
+ &(amdgpu_ras_get_context(adev)->eeprom_control));
- if (ret == 1) {
+ if (!ret) {
+ /* Something was written to EEPROM.
+ */
amdgpu_ras_get_context(adev)->flags = RAS_DEFAULT_FLAGS;
return size;
} else {
- return -EIO;
+ return ret;
}
}
if (obj && (--obj->use == 0))
list_del(&obj->node);
if (obj && (obj->use < 0))
- DRM_ERROR("RAS ERROR: Unbalance obj(%s) use\n", obj->head.name);
+ DRM_ERROR("RAS ERROR: Unbalance obj(%s) use\n", ras_block_str(obj->head.block));
}
/* make one obj and return it. */
.type = default_ras_type,
.sub_block_index = 0,
};
- strcpy(head.name, ras_block_str(i));
if (bypass) {
/*
* bypass psp. vbios enable ras for us.
&con->bad_page_cnt_threshold);
debugfs_create_x32("ras_hw_enabled", 0444, dir, &adev->ras_hw_enabled);
debugfs_create_x32("ras_enabled", 0444, dir, &adev->ras_enabled);
+ debugfs_create_file("ras_eeprom_size", S_IRUGO, dir, adev,
+ &amdgpu_ras_debugfs_eeprom_size_ops);
+ con->de_ras_eeprom_table = debugfs_create_file("ras_eeprom_table",
+ S_IRUGO, dir, adev,
+ &amdgpu_ras_debugfs_eeprom_table_ops);
+ amdgpu_ras_debugfs_set_ret_size(&con->eeprom_control);
/*
* After one uncorrectable error happens, usually GPU recovery will
control = &con->eeprom_control;
data = con->eh_data;
- save_count = data->count - control->num_recs;
+ save_count = data->count - control->ras_num_recs;
/* only new entries are saved */
if (save_count > 0) {
- if (amdgpu_ras_eeprom_process_recods(control,
- &data->bps[control->num_recs],
- true,
- save_count)) {
+ if (amdgpu_ras_eeprom_append(control,
+ &data->bps[control->ras_num_recs],
+ save_count)) {
dev_err(adev->dev, "Failed to save EEPROM table data!");
return -EIO;
}
static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev)
{
struct amdgpu_ras_eeprom_control *control =
- &adev->psp.ras.ras->eeprom_control;
- struct eeprom_table_record *bps = NULL;
- int ret = 0;
+ &adev->psp.ras_context.ras->eeprom_control;
+ struct eeprom_table_record *bps;
+ int ret;
/* no bad page record, skip eeprom access */
- if (!control->num_recs || (amdgpu_bad_page_threshold == 0))
- return ret;
+ if (control->ras_num_recs == 0 || amdgpu_bad_page_threshold == 0)
+ return 0;
- bps = kcalloc(control->num_recs, sizeof(*bps), GFP_KERNEL);
+ bps = kcalloc(control->ras_num_recs, sizeof(*bps), GFP_KERNEL);
if (!bps)
return -ENOMEM;
- if (amdgpu_ras_eeprom_process_recods(control, bps, false,
- control->num_recs)) {
+ ret = amdgpu_ras_eeprom_read(control, bps, control->ras_num_recs);
+ if (ret)
dev_err(adev->dev, "Failed to load EEPROM table records!");
- ret = -EIO;
- goto out;
- }
-
- ret = amdgpu_ras_add_bad_pages(adev, bps, control->num_recs);
+ else
+ ret = amdgpu_ras_add_bad_pages(adev, bps, control->ras_num_recs);
-out:
kfree(bps);
return ret;
}
}
static void amdgpu_ras_validate_threshold(struct amdgpu_device *adev,
- uint32_t max_length)
+ uint32_t max_count)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
- int tmp_threshold = amdgpu_bad_page_threshold;
- u64 val;
/*
* Justification of value bad_page_cnt_threshold in ras structure
* take no effect.
*/
- if (tmp_threshold < -1)
- tmp_threshold = -1;
- else if (tmp_threshold > max_length)
- tmp_threshold = max_length;
+ if (amdgpu_bad_page_threshold < 0) {
+ u64 val = adev->gmc.mc_vram_size;
- if (tmp_threshold == -1) {
- val = adev->gmc.mc_vram_size;
- do_div(val, RAS_BAD_PAGE_RATE);
+ do_div(val, RAS_BAD_PAGE_COVER);
con->bad_page_cnt_threshold = min(lower_32_bits(val),
- max_length);
+ max_count);
} else {
- con->bad_page_cnt_threshold = tmp_threshold;
+ con->bad_page_cnt_threshold = min_t(int, max_count,
+ amdgpu_bad_page_threshold);
}
}
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
struct ras_err_handler_data **data;
- uint32_t max_eeprom_records_len = 0;
+ u32 max_eeprom_records_count = 0;
bool exc_err_limit = false;
int ret;
- if (adev->ras_enabled && con)
- data = &con->eh_data;
- else
+ if (!con)
return 0;
+ /* Allow access to RAS EEPROM via debugfs, when the ASIC
+ * supports RAS and debugfs is enabled, but when
+ * adev->ras_enabled is unset, i.e. when "ras_enable"
+ * module parameter is set to 0.
+ */
+ con->adev = adev;
+
+ if (!adev->ras_enabled)
+ return 0;
+
+ data = &con->eh_data;
*data = kmalloc(sizeof(**data), GFP_KERNEL | __GFP_ZERO);
if (!*data) {
ret = -ENOMEM;
mutex_init(&con->recovery_lock);
INIT_WORK(&con->recovery_work, amdgpu_ras_do_recovery);
atomic_set(&con->in_recovery, 0);
- con->adev = adev;
- max_eeprom_records_len = amdgpu_ras_eeprom_get_record_max_length();
- amdgpu_ras_validate_threshold(adev, max_eeprom_records_len);
+ max_eeprom_records_count = amdgpu_ras_eeprom_max_record_count();
+ amdgpu_ras_validate_threshold(adev, max_eeprom_records_count);
/* Todo: During test the SMU might fail to read the eeprom through I2C
* when the GPU is pending on XGMI reset during probe time
if (exc_err_limit || ret)
goto free;
- if (con->eeprom_control.num_recs) {
+ if (con->eeprom_control.ras_num_recs) {
ret = amdgpu_ras_load_bad_pages(adev);
if (ret)
goto free;
if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->send_hbm_bad_pages_num)
- adev->smu.ppt_funcs->send_hbm_bad_pages_num(&adev->smu, con->eeprom_control.num_recs);
+ adev->smu.ppt_funcs->send_hbm_bad_pages_num(&adev->smu, con->eeprom_control.ras_num_recs);
}
return 0;
kfree(*data);
con->eh_data = NULL;
out:
- dev_warn(adev->dev, "Failed to initialize ras recovery!\n");
+ dev_warn(adev->dev, "Failed to initialize ras recovery! (%d)\n", ret);
/*
* Except error threshold exceeding case, other failure cases in this
projects / linux-2.6-microblaze.git / blobdiff