mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 14:32:56 +07:00
b3cd285fa6
Updating the PASID is rather heavyweight and shouldn't be done all the time. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
|
|
* Copyright 2017 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_IDS_H__
|
|
#define __AMDGPU_IDS_H__
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/list.h>
|
|
#include <linux/dma-fence.h>
|
|
|
|
#include "amdgpu_sync.h"
|
|
|
|
/* maximum number of VMIDs */
|
|
#define AMDGPU_NUM_VMID 16
|
|
|
|
struct amdgpu_device;
|
|
struct amdgpu_vm;
|
|
struct amdgpu_ring;
|
|
struct amdgpu_sync;
|
|
struct amdgpu_job;
|
|
|
|
struct amdgpu_vmid {
|
|
struct list_head list;
|
|
struct amdgpu_sync active;
|
|
struct dma_fence *last_flush;
|
|
uint64_t owner;
|
|
|
|
uint64_t pd_gpu_addr;
|
|
/* last flushed PD/PT update */
|
|
struct dma_fence *flushed_updates;
|
|
|
|
uint32_t current_gpu_reset_count;
|
|
|
|
uint32_t gds_base;
|
|
uint32_t gds_size;
|
|
uint32_t gws_base;
|
|
uint32_t gws_size;
|
|
uint32_t oa_base;
|
|
uint32_t oa_size;
|
|
|
|
unsigned pasid;
|
|
struct dma_fence *pasid_mapping;
|
|
};
|
|
|
|
struct amdgpu_vmid_mgr {
|
|
struct mutex lock;
|
|
unsigned num_ids;
|
|
struct list_head ids_lru;
|
|
struct amdgpu_vmid ids[AMDGPU_NUM_VMID];
|
|
atomic_t reserved_vmid_num;
|
|
};
|
|
|
|
int amdgpu_pasid_alloc(unsigned int bits);
|
|
void amdgpu_pasid_free(unsigned int pasid);
|
|
void amdgpu_pasid_free_delayed(struct reservation_object *resv,
|
|
unsigned int pasid);
|
|
|
|
bool amdgpu_vmid_had_gpu_reset(struct amdgpu_device *adev,
|
|
struct amdgpu_vmid *id);
|
|
int amdgpu_vmid_alloc_reserved(struct amdgpu_device *adev,
|
|
struct amdgpu_vm *vm,
|
|
unsigned vmhub);
|
|
void amdgpu_vmid_free_reserved(struct amdgpu_device *adev,
|
|
struct amdgpu_vm *vm,
|
|
unsigned vmhub);
|
|
int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
|
|
struct amdgpu_sync *sync, struct dma_fence *fence,
|
|
struct amdgpu_job *job);
|
|
void amdgpu_vmid_reset(struct amdgpu_device *adev, unsigned vmhub,
|
|
unsigned vmid);
|
|
void amdgpu_vmid_reset_all(struct amdgpu_device *adev);
|
|
|
|
void amdgpu_vmid_mgr_init(struct amdgpu_device *adev);
|
|
void amdgpu_vmid_mgr_fini(struct amdgpu_device *adev);
|
|
|
|
#endif
|