diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h index ce4179db2a6d..ec203f9e5ffa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h @@ -54,6 +54,41 @@ /* Page retirement tag */ #define UMC_ECC_NEW_DETECTED_TAG 0x1 +/* + * a flag to indicate v2 of channel index stored in eeprom + * + * v1 (legacy way): store channel index within a umc instance in eeprom + * range in UMC v12: 0 ~ 7 + * v2: store global channel index in eeprom + * range in UMC v12: 0 ~ 127 + * + * NOTE: it's better to store it in eeprom_table_record.mem_channel, + * but there is only 8 bits in mem_channel, and the channel number may + * increase in the future, we decide to save it in + * eeprom_table_record.retired_page. retired_page is useless in v2, + * we depend on eeprom_table_record.address instead of retired_page in v2. + * Only 48 bits are saved on eeprom, use bit 47 here. + */ +#define UMC_CHANNEL_IDX_V2 BIT_ULL(47) + +/* + * save nps value to eeprom_table_record.retired_page[47:40], + * the channel index flag above will be retired. + */ +#define UMC_NPS_SHIFT 40 +#define UMC_NPS_MASK 0xffULL + +/* three column bits and one row bit in MCA address flip + * in bad page retirement + */ +#define RETIRE_FLIP_BITS_NUM 4 + +struct amdgpu_umc_flip_bits { + uint32_t flip_bits_in_pa[RETIRE_FLIP_BITS_NUM]; + uint32_t flip_row_bit; + uint32_t r13_in_pa; + uint32_t bit_num; +}; typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst, uint32_t umc_inst, uint32_t ch_inst, void *data); @@ -70,6 +105,14 @@ struct amdgpu_umc_ras { enum amdgpu_mca_error_type type, void *ras_error_status); int (*update_ecc_status)(struct amdgpu_device *adev, uint64_t status, uint64_t ipid, uint64_t addr); + int (*convert_ras_err_addr)(struct amdgpu_device *adev, + struct ras_err_data *err_data, + struct ta_ras_query_address_input *addr_in, + struct ta_ras_query_address_output *addr_out, + bool dump_addr); + uint32_t (*get_die_id_from_pa)(struct amdgpu_device *adev, + uint64_t mca_addr, uint64_t retired_page); + void (*get_retire_flip_bits)(struct amdgpu_device *adev); }; struct amdgpu_umc_funcs { @@ -100,6 +143,10 @@ struct amdgpu_umc { /* active mask for umc node instance */ unsigned long active_mask; + + struct amdgpu_umc_flip_bits flip_bits; + + unsigned long err_addr_cnt; }; int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev); @@ -134,4 +181,14 @@ int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev, void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev, void *ras_error_status); +int amdgpu_umc_pages_in_a_row(struct amdgpu_device *adev, + struct ras_err_data *err_data, uint64_t pa_addr); +int amdgpu_umc_lookup_bad_pages_in_a_row(struct amdgpu_device *adev, + uint64_t pa_addr, uint64_t *pfns, int len); +int amdgpu_umc_mca_to_addr(struct amdgpu_device *adev, + uint64_t err_addr, uint32_t ch, uint32_t umc, + uint32_t node, uint32_t socket, + struct ta_ras_query_address_output *addr_out, bool dump_addr); +int amdgpu_umc_pa2mca(struct amdgpu_device *adev, + uint64_t pa, uint64_t *mca, enum amdgpu_memory_partition nps); #endif |