/*
* Copyright (C) 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __AMDGPU_UMC_H__
#define __AMDGPU_UMC_H__
#include "amdgpu_ras.h"
#include "amdgpu_mca.h"
/*
* (addr / 256) * 4096, the higher 26 bits in ErrorAddr
* is the index of 4KB block
*/
#define ADDR_OF_4KB_BLOCK(addr) (((addr) & ~0xffULL) << 4)
/*
* (addr / 256) * 8192, the higher 26 bits in ErrorAddr
* is the index of 8KB block
*/
#define ADDR_OF_8KB_BLOCK(addr) (((addr) & ~0xffULL) << 5)
/*
* (addr / 256) * 32768, the higher 26 bits in ErrorAddr
* is the index of 8KB block
*/
#define ADDR_OF_32KB_BLOCK(addr) (((addr) & ~0xffULL) << 7)
/* channel index is the index of 256B block */
#define ADDR_OF_256B_BLOCK(channel_index) ((channel_index) << 8)
/* offset in 256B block */
#define OFFSET_IN_256B_BLOCK(addr) ((addr) & 0xffULL)
#define LOOP_UMC_INST(umc_inst) for ((umc_inst) = 0; (umc_inst) < adev->umc.umc_inst_num; (umc_inst)++)
#define LOOP_UMC_CH_INST(ch_inst) for ((ch_inst) = 0; (ch_inst) < adev->umc.channel_inst_num; (ch_inst)++)
#define LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) LOOP_UMC_INST((umc_inst)) LOOP_UMC_CH_INST((ch_inst))
#define LOOP_UMC_NODE_INST(node_inst) \
for_each_set_bit((node_inst), &(adev->umc.active_mask), adev->umc.node_inst_num)
#define LOOP_UMC_EACH_NODE_INST_AND_CH(node_inst, umc_inst, ch_inst) \
LOOP_UMC_NODE_INST((node_inst)) LOOP_UMC_INST_AND_CH((umc_inst), (ch_inst))
/* Page retirement tag */
#define UMC_ECC_NEW_DETECTED_TAG 0x1
typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst,
uint32_t umc_inst, uint32_t ch_inst, void *data);
struct amdgpu_umc_ras {
struct amdgpu_ras_block_object ras_block;
void (*err_cnt_init)(struct amdgpu_device *adev);
bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev,
void *ras_error_status);
void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev,
void *ras_error_status);
bool (*check_ecc_err_status)(struct amdgpu_device *adev,
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);
};
struct amdgpu_umc_funcs {
void (*init_registers)(struct amdgpu_device *adev);
};
struct amdgpu_umc {
/* max error count in one ras query call */
uint32_t max_ras_err_cnt_per_query;
/* number of umc channel instance with memory map register access */
uint32_t channel_inst_num;
/* number of umc instance with memory map register access */
uint32_t umc_inst_num;
/* Total number of umc node instance including harvest one */
uint32_t node_inst_num;
/* UMC regiser per channel offset */
uint32_t channel_offs;
/* how many pages are retired in one UE */
uint32_t retire_unit;
/* channel index table of interleaved memory */
const uint32_t *channel_idx_tbl;
struct ras_common_if *ras_if;
const struct amdgpu_umc_funcs *funcs;
struct amdgpu_umc_ras *ras;
/* active mask for umc node instance */
unsigned long active_mask;
};
int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev);
int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
int amdgpu_umc_poison_handler(struct amdgpu_device *adev,
enum amdgpu_ras_block block, uint32_t reset);
int amdgpu_umc_pasid_poison_handler(struct amdgpu_device *adev,
enum amdgpu_ras_block block, uint16_t pasid,
pasid_notify pasid_fn, void *data, uint32_t reset);
int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry);
int amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
uint64_t err_addr,
uint64_t retired_page,
uint32_t channel_index,
uint32_t umc_inst);
int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
void *ras_error_status,
struct amdgpu_iv_entry *entry);
int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst);
int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
umc_func func, void *data);
int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev,
uint64_t status, uint64_t ipid, uint64_t addr);
int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev,
struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err);
void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev,
void *ras_error_status);
#endif
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