sync with OpenBSD -current
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1651 changed files with 283292 additions and 68089 deletions
184
sys/dev/pci/drm/amd/amdgpu/amdgpu_xcp.h
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184
sys/dev/pci/drm/amd/amdgpu/amdgpu_xcp.h
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/*
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* Copyright 2022 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef AMDGPU_XCP_H
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#define AMDGPU_XCP_H
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#include <linux/pci.h>
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#include <linux/xarray.h>
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#include "amdgpu_ctx.h"
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#define MAX_XCP 8
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#define AMDGPU_XCP_MODE_NONE -1
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#define AMDGPU_XCP_MODE_TRANS -2
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#define AMDGPU_XCP_FL_NONE 0
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#define AMDGPU_XCP_FL_LOCKED (1 << 0)
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#define AMDGPU_XCP_NO_PARTITION (~0)
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struct amdgpu_fpriv;
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enum AMDGPU_XCP_IP_BLOCK {
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AMDGPU_XCP_GFXHUB,
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AMDGPU_XCP_GFX,
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AMDGPU_XCP_SDMA,
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AMDGPU_XCP_VCN,
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AMDGPU_XCP_MAX_BLOCKS
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};
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enum AMDGPU_XCP_STATE {
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AMDGPU_XCP_PREPARE_SUSPEND,
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AMDGPU_XCP_SUSPEND,
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AMDGPU_XCP_PREPARE_RESUME,
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AMDGPU_XCP_RESUME,
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};
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struct amdgpu_xcp_ip_funcs {
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int (*prepare_suspend)(void *handle, uint32_t inst_mask);
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int (*suspend)(void *handle, uint32_t inst_mask);
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int (*prepare_resume)(void *handle, uint32_t inst_mask);
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int (*resume)(void *handle, uint32_t inst_mask);
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};
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struct amdgpu_xcp_ip {
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struct amdgpu_xcp_ip_funcs *ip_funcs;
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uint32_t inst_mask;
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enum AMDGPU_XCP_IP_BLOCK ip_id;
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bool valid;
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};
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struct amdgpu_xcp {
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struct amdgpu_xcp_ip ip[AMDGPU_XCP_MAX_BLOCKS];
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uint8_t id;
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uint8_t mem_id;
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bool valid;
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atomic_t ref_cnt;
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struct drm_device *ddev;
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struct drm_device *rdev;
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struct drm_device *pdev;
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struct drm_driver *driver;
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struct drm_vma_offset_manager *vma_offset_manager;
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struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
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};
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struct amdgpu_xcp_mgr {
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struct amdgpu_device *adev;
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struct rwlock xcp_lock;
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struct amdgpu_xcp_mgr_funcs *funcs;
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struct amdgpu_xcp xcp[MAX_XCP];
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uint8_t num_xcps;
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int8_t mode;
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/* Used to determine KFD memory size limits per XCP */
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unsigned int num_xcp_per_mem_partition;
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};
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struct amdgpu_xcp_mgr_funcs {
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int (*switch_partition_mode)(struct amdgpu_xcp_mgr *xcp_mgr, int mode,
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int *num_xcps);
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int (*query_partition_mode)(struct amdgpu_xcp_mgr *xcp_mgr);
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int (*get_ip_details)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
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enum AMDGPU_XCP_IP_BLOCK ip_id,
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struct amdgpu_xcp_ip *ip);
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int (*get_xcp_mem_id)(struct amdgpu_xcp_mgr *xcp_mgr,
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struct amdgpu_xcp *xcp, uint8_t *mem_id);
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int (*prepare_suspend)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int (*suspend)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int (*prepare_resume)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int (*resume)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int (*select_scheds)(struct amdgpu_device *adev,
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u32 hw_ip, u32 hw_prio, struct amdgpu_fpriv *fpriv,
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unsigned int *num_scheds, struct drm_gpu_scheduler ***scheds);
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int (*update_partition_sched_list)(struct amdgpu_device *adev);
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};
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int amdgpu_xcp_prepare_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int amdgpu_xcp_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int amdgpu_xcp_prepare_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int amdgpu_xcp_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
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int amdgpu_xcp_mgr_init(struct amdgpu_device *adev, int init_mode,
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int init_xcps, struct amdgpu_xcp_mgr_funcs *xcp_funcs);
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int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode);
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int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags);
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int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode);
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int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,
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enum AMDGPU_XCP_IP_BLOCK ip, int instance);
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int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
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enum AMDGPU_XCP_IP_BLOCK ip,
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uint32_t *inst_mask);
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int amdgpu_xcp_dev_register(struct amdgpu_device *adev,
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const struct pci_device_id *ent);
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void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev);
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int amdgpu_xcp_open_device(struct amdgpu_device *adev,
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struct amdgpu_fpriv *fpriv,
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struct drm_file *file_priv);
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void amdgpu_xcp_release_sched(struct amdgpu_device *adev,
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struct amdgpu_ctx_entity *entity);
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#define amdgpu_xcp_select_scheds(adev, e, c, d, x, y) \
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((adev)->xcp_mgr && (adev)->xcp_mgr->funcs && \
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(adev)->xcp_mgr->funcs->select_scheds ? \
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(adev)->xcp_mgr->funcs->select_scheds((adev), (e), (c), (d), (x), (y)) : -ENOENT)
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#define amdgpu_xcp_update_partition_sched_list(adev) \
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((adev)->xcp_mgr && (adev)->xcp_mgr->funcs && \
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(adev)->xcp_mgr->funcs->update_partition_sched_list ? \
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(adev)->xcp_mgr->funcs->update_partition_sched_list(adev) : 0)
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static inline int amdgpu_xcp_get_num_xcp(struct amdgpu_xcp_mgr *xcp_mgr)
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{
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if (!xcp_mgr)
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return 1;
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else
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return xcp_mgr->num_xcps;
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}
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static inline struct amdgpu_xcp *
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amdgpu_get_next_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int *from)
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{
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if (!xcp_mgr)
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return NULL;
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while (*from < MAX_XCP) {
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if (xcp_mgr->xcp[*from].valid)
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return &xcp_mgr->xcp[*from];
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++(*from);
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}
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return NULL;
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}
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#define for_each_xcp(xcp_mgr, xcp, i) \
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for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \
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xcp = amdgpu_get_next_xcp(xcp_mgr, &i))
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#endif
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