| /* |
| * Copyright © 2011 Marek Olšák <maraeo@gmail.com> |
| * Copyright © 2015 Advanced Micro Devices, Inc. |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 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 |
| * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS |
| * AND/OR ITS SUPPLIERS 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. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| */ |
| /* |
| * Authors: |
| * Marek Olšák <maraeo@gmail.com> |
| */ |
| |
| #ifndef AMDGPU_CS_H |
| #define AMDGPU_CS_H |
| |
| #include "amdgpu_bo.h" |
| #include "util/u_memory.h" |
| |
| struct amdgpu_ctx { |
| struct amdgpu_winsys *ws; |
| amdgpu_context_handle ctx; |
| amdgpu_bo_handle user_fence_bo; |
| uint64_t *user_fence_cpu_address_base; |
| int refcount; |
| }; |
| |
| struct amdgpu_cs_buffer { |
| struct amdgpu_winsys_bo *bo; |
| union { |
| struct { |
| uint64_t priority_usage; |
| } real; |
| struct { |
| uint32_t real_idx; /* index of underlying real BO */ |
| } slab; |
| } u; |
| enum radeon_bo_usage usage; |
| }; |
| |
| enum ib_type { |
| IB_CONST_PREAMBLE = 0, |
| IB_CONST = 1, /* the const IB must be first */ |
| IB_MAIN = 2, |
| IB_NUM |
| }; |
| |
| struct amdgpu_ib { |
| struct radeon_winsys_cs base; |
| |
| /* A buffer out of which new IBs are allocated. */ |
| struct pb_buffer *big_ib_buffer; |
| uint8_t *ib_mapped; |
| unsigned used_ib_space; |
| unsigned max_ib_size; |
| uint32_t *ptr_ib_size; |
| enum ib_type ib_type; |
| }; |
| |
| struct amdgpu_cs_context { |
| struct amdgpu_cs_request request; |
| struct amdgpu_cs_ib_info ib[IB_NUM]; |
| |
| /* Buffers. */ |
| unsigned max_real_buffers; |
| unsigned num_real_buffers; |
| amdgpu_bo_handle *handles; |
| uint8_t *flags; |
| struct amdgpu_cs_buffer *real_buffers; |
| |
| unsigned num_slab_buffers; |
| unsigned max_slab_buffers; |
| struct amdgpu_cs_buffer *slab_buffers; |
| |
| int buffer_indices_hashlist[4096]; |
| |
| unsigned max_dependencies; |
| |
| struct pipe_fence_handle *fence; |
| |
| /* the error returned from cs_flush for non-async submissions */ |
| int error_code; |
| }; |
| |
| struct amdgpu_cs { |
| struct amdgpu_ib main; /* must be first because this is inherited */ |
| struct amdgpu_ib const_ib; /* optional constant engine IB */ |
| struct amdgpu_ib const_preamble_ib; |
| struct amdgpu_ctx *ctx; |
| enum ring_type ring_type; |
| |
| /* We flip between these two CS. While one is being consumed |
| * by the kernel in another thread, the other one is being filled |
| * by the pipe driver. */ |
| struct amdgpu_cs_context csc1; |
| struct amdgpu_cs_context csc2; |
| /* The currently-used CS. */ |
| struct amdgpu_cs_context *csc; |
| /* The CS being currently-owned by the other thread. */ |
| struct amdgpu_cs_context *cst; |
| |
| /* Flush CS. */ |
| void (*flush_cs)(void *ctx, unsigned flags, struct pipe_fence_handle **fence); |
| void *flush_data; |
| |
| struct util_queue_fence flush_completed; |
| struct pipe_fence_handle *next_fence; |
| }; |
| |
| struct amdgpu_fence { |
| struct pipe_reference reference; |
| |
| struct amdgpu_ctx *ctx; /* submission context */ |
| struct amdgpu_cs_fence fence; |
| uint64_t *user_fence_cpu_address; |
| |
| /* If the fence is unknown due to an IB still being submitted |
| * in the other thread. */ |
| volatile int submission_in_progress; /* bool (int for atomicity) */ |
| volatile int signalled; /* bool (int for atomicity) */ |
| }; |
| |
| static inline void amdgpu_ctx_unref(struct amdgpu_ctx *ctx) |
| { |
| if (p_atomic_dec_zero(&ctx->refcount)) { |
| amdgpu_cs_ctx_free(ctx->ctx); |
| amdgpu_bo_free(ctx->user_fence_bo); |
| FREE(ctx); |
| } |
| } |
| |
| static inline void amdgpu_fence_reference(struct pipe_fence_handle **dst, |
| struct pipe_fence_handle *src) |
| { |
| struct amdgpu_fence **rdst = (struct amdgpu_fence **)dst; |
| struct amdgpu_fence *rsrc = (struct amdgpu_fence *)src; |
| |
| if (pipe_reference(&(*rdst)->reference, &rsrc->reference)) { |
| amdgpu_ctx_unref((*rdst)->ctx); |
| FREE(*rdst); |
| } |
| *rdst = rsrc; |
| } |
| |
| int amdgpu_lookup_buffer(struct amdgpu_cs_context *cs, struct amdgpu_winsys_bo *bo); |
| |
| static inline struct amdgpu_ib * |
| amdgpu_ib(struct radeon_winsys_cs *base) |
| { |
| return (struct amdgpu_ib *)base; |
| } |
| |
| static inline struct amdgpu_cs * |
| amdgpu_cs(struct radeon_winsys_cs *base) |
| { |
| assert(amdgpu_ib(base)->ib_type == IB_MAIN); |
| return (struct amdgpu_cs*)base; |
| } |
| |
| #define get_container(member_ptr, container_type, container_member) \ |
| (container_type *)((char *)(member_ptr) - offsetof(container_type, container_member)) |
| |
| static inline struct amdgpu_cs * |
| amdgpu_cs_from_ib(struct amdgpu_ib *ib) |
| { |
| switch (ib->ib_type) { |
| case IB_MAIN: |
| return get_container(ib, struct amdgpu_cs, main); |
| case IB_CONST: |
| return get_container(ib, struct amdgpu_cs, const_ib); |
| case IB_CONST_PREAMBLE: |
| return get_container(ib, struct amdgpu_cs, const_preamble_ib); |
| default: |
| unreachable("bad ib_type"); |
| } |
| } |
| |
| static inline bool |
| amdgpu_bo_is_referenced_by_cs(struct amdgpu_cs *cs, |
| struct amdgpu_winsys_bo *bo) |
| { |
| int num_refs = bo->num_cs_references; |
| return num_refs == bo->ws->num_cs || |
| (num_refs && amdgpu_lookup_buffer(cs->csc, bo) != -1); |
| } |
| |
| static inline bool |
| amdgpu_bo_is_referenced_by_cs_with_usage(struct amdgpu_cs *cs, |
| struct amdgpu_winsys_bo *bo, |
| enum radeon_bo_usage usage) |
| { |
| int index; |
| struct amdgpu_cs_buffer *buffer; |
| |
| if (!bo->num_cs_references) |
| return false; |
| |
| index = amdgpu_lookup_buffer(cs->csc, bo); |
| if (index == -1) |
| return false; |
| |
| buffer = bo->bo ? &cs->csc->real_buffers[index] |
| : &cs->csc->slab_buffers[index]; |
| |
| return (buffer->usage & usage) != 0; |
| } |
| |
| static inline bool |
| amdgpu_bo_is_referenced_by_any_cs(struct amdgpu_winsys_bo *bo) |
| { |
| return bo->num_cs_references != 0; |
| } |
| |
| bool amdgpu_fence_wait(struct pipe_fence_handle *fence, uint64_t timeout, |
| bool absolute); |
| void amdgpu_cs_sync_flush(struct radeon_winsys_cs *rcs); |
| void amdgpu_cs_init_functions(struct amdgpu_winsys *ws); |
| void amdgpu_cs_submit_ib(void *job, int thread_index); |
| |
| #endif |