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/*
* 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__
/* implement 64 bits REG operations via 32 bits interface */
#define RREG64_UMC(reg) (RREG32(reg) | \
((uint64_t)RREG32((reg) + 1) << 32))
#define WREG64_UMC(reg, v) \
do { \
WREG32((reg), lower_32_bits(v)); \
WREG32((reg) + 1, upper_32_bits(v)); \
} while (0)
/*
* void (*func)(struct amdgpu_device *adev, struct ras_err_data *err_data,
* uint32_t umc_reg_offset, uint32_t channel_index)
*/
#define amdgpu_umc_for_each_channel(func) \
struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; \
uint32_t umc_inst, channel_inst, umc_reg_offset, channel_index; \
for (umc_inst = 0; umc_inst < adev->umc.umc_inst_num; umc_inst++) { \
/* enable the index mode to query eror count per channel */ \
adev->umc.funcs->enable_umc_index_mode(adev, umc_inst); \
for (channel_inst = 0; \
channel_inst < adev->umc.channel_inst_num; \
channel_inst++) { \
/* calc the register offset according to channel instance */ \
umc_reg_offset = adev->umc.channel_offs * channel_inst; \
/* get channel index of interleaved memory */ \
channel_index = adev->umc.channel_idx_tbl[ \
umc_inst * adev->umc.channel_inst_num + channel_inst]; \
(func)(adev, err_data, umc_reg_offset, channel_index); \
} \
} \
adev->umc.funcs->disable_umc_index_mode(adev);
struct amdgpu_umc_funcs {
void (*ras_init)(struct amdgpu_device *adev);
void (*query_ras_error_count)(struct amdgpu_device *adev,
void *ras_error_status);
void (*query_ras_error_address)(struct amdgpu_device *adev,
void *ras_error_status);
void (*enable_umc_index_mode)(struct amdgpu_device *adev,
uint32_t umc_instance);
void (*disable_umc_index_mode)(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;
/* UMC regiser per channel offset */
uint32_t channel_offs;
/* channel index table of interleaved memory */
const uint32_t *channel_idx_tbl;
const struct amdgpu_umc_funcs *funcs;
};
#endif
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