linux/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c

/*
 * Copyright 2020 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.
 */
#include "amdgpu.h"
#include "amdgpu_amdkfd.h"
#include "amdgpu_amdkfd_arcturus.h"
#include "amdgpu_amdkfd_gfx_v9.h"
#include "amdgpu_amdkfd_aldebaran.h"
#include "gc/gc_9_4_2_offset.h"
#include "gc/gc_9_4_2_sh_mask.h"
#include <uapi/linux/kfd_ioctl.h>

/*
 * Returns TRAP_EN, EXCP_EN and EXCP_REPLACE.
 *
 * restore_dbg_registers is ignored here but is a general interface requirement
 * for devices that support GFXOFF and where the RLC save/restore list
 * does not support hw registers for debugging i.e. the driver has to manually
 * initialize the debug mode registers after it has disabled GFX off during the
 * debug session.
 */
uint32_t kgd_aldebaran_enable_debug_trap(struct amdgpu_device *adev,
					    bool restore_dbg_registers,
					    uint32_t vmid)
{ … }

/* returns TRAP_EN, EXCP_EN and EXCP_REPLACE. */
static uint32_t kgd_aldebaran_disable_debug_trap(struct amdgpu_device *adev,
						bool keep_trap_enabled,
						uint32_t vmid)
{ … }

static int kgd_aldebaran_validate_trap_override_request(struct amdgpu_device *adev,
							uint32_t trap_override,
							uint32_t *trap_mask_supported)
{ … }

/* returns TRAP_EN, EXCP_EN and EXCP_RPLACE. */
static uint32_t kgd_aldebaran_set_wave_launch_trap_override(struct amdgpu_device *adev,
					uint32_t vmid,
					uint32_t trap_override,
					uint32_t trap_mask_bits,
					uint32_t trap_mask_request,
					uint32_t *trap_mask_prev,
					uint32_t kfd_dbg_trap_cntl_prev)

{ … }

uint32_t kgd_aldebaran_set_wave_launch_mode(struct amdgpu_device *adev,
					uint8_t wave_launch_mode,
					uint32_t vmid)
{ … }

#define TCP_WATCH_STRIDE …
static uint32_t kgd_gfx_aldebaran_set_address_watch(
					struct amdgpu_device *adev,
					uint64_t watch_address,
					uint32_t watch_address_mask,
					uint32_t watch_id,
					uint32_t watch_mode,
					uint32_t debug_vmid,
					uint32_t inst)
{ … }

const struct kfd2kgd_calls aldebaran_kfd2kgd = …;