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/*
* Copyright 2018 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) OR AUTHOR(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_SDMA_H__
#define __AMDGPU_SDMA_H__
#include "amdgpu_ras.h"
/* max number of IP instances */
#define AMDGPU_MAX_SDMA_INSTANCES 16
enum amdgpu_sdma_irq {
AMDGPU_SDMA_IRQ_INSTANCE0 = 0,
AMDGPU_SDMA_IRQ_INSTANCE1,
AMDGPU_SDMA_IRQ_INSTANCE2,
AMDGPU_SDMA_IRQ_INSTANCE3,
AMDGPU_SDMA_IRQ_INSTANCE4,
AMDGPU_SDMA_IRQ_INSTANCE5,
AMDGPU_SDMA_IRQ_INSTANCE6,
AMDGPU_SDMA_IRQ_INSTANCE7,
AMDGPU_SDMA_IRQ_INSTANCE8,
AMDGPU_SDMA_IRQ_INSTANCE9,
AMDGPU_SDMA_IRQ_INSTANCE10,
AMDGPU_SDMA_IRQ_INSTANCE11,
AMDGPU_SDMA_IRQ_INSTANCE12,
AMDGPU_SDMA_IRQ_INSTANCE13,
AMDGPU_SDMA_IRQ_INSTANCE14,
AMDGPU_SDMA_IRQ_INSTANCE15,
AMDGPU_SDMA_IRQ_LAST
};
#define NUM_SDMA(x) hweight32(x)
struct amdgpu_sdma_funcs {
int (*stop_kernel_queue)(struct amdgpu_ring *ring);
int (*start_kernel_queue)(struct amdgpu_ring *ring);
int (*soft_reset_kernel_queue)(struct amdgpu_device *adev, u32 instance_id);
};
struct amdgpu_sdma_instance {
/* SDMA firmware */
const struct firmware *fw;
uint32_t fw_version;
uint32_t feature_version;
struct amdgpu_ring ring;
struct amdgpu_ring page;
bool burst_nop;
uint32_t aid_id;
struct amdgpu_bo *sdma_fw_obj;
uint64_t sdma_fw_gpu_addr;
uint32_t *sdma_fw_ptr;
struct mutex engine_reset_mutex;
/* track guilty state of GFX and PAGE queues */
bool gfx_guilty;
bool page_guilty;
const struct amdgpu_sdma_funcs *funcs;
};
enum amdgpu_sdma_ras_memory_id {
AMDGPU_SDMA_MBANK_DATA_BUF0 = 1,
AMDGPU_SDMA_MBANK_DATA_BUF1 = 2,
AMDGPU_SDMA_MBANK_DATA_BUF2 = 3,
AMDGPU_SDMA_MBANK_DATA_BUF3 = 4,
AMDGPU_SDMA_MBANK_DATA_BUF4 = 5,
AMDGPU_SDMA_MBANK_DATA_BUF5 = 6,
AMDGPU_SDMA_MBANK_DATA_BUF6 = 7,
AMDGPU_SDMA_MBANK_DATA_BUF7 = 8,
AMDGPU_SDMA_MBANK_DATA_BUF8 = 9,
AMDGPU_SDMA_MBANK_DATA_BUF9 = 10,
AMDGPU_SDMA_MBANK_DATA_BUF10 = 11,
AMDGPU_SDMA_MBANK_DATA_BUF11 = 12,
AMDGPU_SDMA_MBANK_DATA_BUF12 = 13,
AMDGPU_SDMA_MBANK_DATA_BUF13 = 14,
AMDGPU_SDMA_MBANK_DATA_BUF14 = 15,
AMDGPU_SDMA_MBANK_DATA_BUF15 = 16,
AMDGPU_SDMA_UCODE_BUF = 17,
AMDGPU_SDMA_RB_CMD_BUF = 18,
AMDGPU_SDMA_IB_CMD_BUF = 19,
AMDGPU_SDMA_UTCL1_RD_FIFO = 20,
AMDGPU_SDMA_UTCL1_RDBST_FIFO = 21,
AMDGPU_SDMA_UTCL1_WR_FIFO = 22,
AMDGPU_SDMA_DATA_LUT_FIFO = 23,
AMDGPU_SDMA_SPLIT_DAT_BUF = 24,
AMDGPU_SDMA_MEMORY_BLOCK_LAST,
};
struct amdgpu_sdma_ras {
struct amdgpu_ras_block_object ras_block;
};
struct amdgpu_sdma {
struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
struct amdgpu_irq_src trap_irq;
struct amdgpu_irq_src illegal_inst_irq;
struct amdgpu_irq_src fence_irq;
struct amdgpu_irq_src ecc_irq;
struct amdgpu_irq_src vm_hole_irq;
struct amdgpu_irq_src doorbell_invalid_irq;
struct amdgpu_irq_src pool_timeout_irq;
struct amdgpu_irq_src srbm_write_irq;
struct amdgpu_irq_src ctxt_empty_irq;
int num_instances;
uint32_t sdma_mask;
int num_inst_per_aid;
uint32_t srbm_soft_reset;
bool has_page_queue;
struct ras_common_if *ras_if;
struct amdgpu_sdma_ras *ras;
uint32_t *ip_dump;
uint32_t supported_reset;
struct list_head reset_callback_list;
bool no_user_submission;
bool disable_uq;
};
/*
* Provided by hw blocks that can move/clear data. e.g., gfx or sdma
* But currently, we use sdma to move data.
*/
struct amdgpu_buffer_funcs {
/* maximum bytes in a single operation */
uint32_t copy_max_bytes;
/* number of dw to reserve per operation */
unsigned copy_num_dw;
/* used for buffer migration */
void (*emit_copy_buffer)(struct amdgpu_ib *ib,
/* src addr in bytes */
uint64_t src_offset,
/* dst addr in bytes */
uint64_t dst_offset,
/* number of byte to transfer */
uint32_t byte_count,
uint32_t copy_flags);
/* maximum bytes in a single operation */
uint32_t fill_max_bytes;
/* number of dw to reserve per operation */
unsigned fill_num_dw;
/* used for buffer clearing */
void (*emit_fill_buffer)(struct amdgpu_ib *ib,
/* value to write to memory */
uint32_t src_data,
/* dst addr in bytes */
uint64_t dst_offset,
/* number of byte to fill */
uint32_t byte_count);
};
int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id);
#define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b), (t))
#define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
struct amdgpu_sdma_instance *
amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring);
int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index);
uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid);
int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
struct ras_common_if *ras_block);
int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
void *err_data,
struct amdgpu_iv_entry *entry);
int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry);
int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
bool duplicate);
void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
bool duplicate);
int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);
void amdgpu_debugfs_sdma_sched_mask_init(struct amdgpu_device *adev);
int amdgpu_sdma_sysfs_reset_mask_init(struct amdgpu_device *adev);
void amdgpu_sdma_sysfs_reset_mask_fini(struct amdgpu_device *adev);
bool amdgpu_sdma_is_shared_inv_eng(struct amdgpu_device *adev, struct amdgpu_ring *ring);
struct amdgpu_ring *amdgpu_sdma_get_shared_ring(struct amdgpu_device *adev,
struct amdgpu_ring *ring);
#endif
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