diff options
Diffstat (limited to 'src/gallium/winsys/radeon/drm/radeon_ctx.h')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_ctx.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_ctx.h b/src/gallium/winsys/radeon/drm/radeon_ctx.h deleted file mode 100644 index 5618b3a..0000000 --- a/src/gallium/winsys/radeon/drm/radeon_ctx.h +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright 2011 Jerome Glisse <glisse@freedesktop.org> - * - * 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 - * on 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 above copyright notice and this permission notice (including the next - * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * THE AUTHOR(S) AND/OR THEIR 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. - * - * Authors: - * Jérôme Glisse - */ -#ifndef RADEON_CTX_H -#define RADEON_CTX_H - -#define _FILE_OFFSET_BITS 64 -#include <sys/mman.h> - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include "xf86drm.h" -#include "radeon_drm.h" - -struct ctx { - int fd; -}; - -struct bo { - uint32_t handle; - uint32_t alignment; - uint64_t size; - uint64_t va; - void *ptr; -}; - -static void ctx_init(struct ctx *ctx) -{ - ctx->fd = drmOpen("radeon", NULL); - if (ctx->fd < 0) { - fprintf(stderr, "failed to open radeon drm device file\n"); - exit(-1); - } -} - -static void bo_wait(struct ctx *ctx, struct bo *bo) -{ - struct drm_radeon_gem_wait_idle args; - void *ptr; - int r; - - /* Zero out args to make valgrind happy */ - memset(&args, 0, sizeof(args)); - args.handle = bo->handle; - do { - r = drmCommandWrite(ctx->fd, DRM_RADEON_GEM_WAIT_IDLE, &args, sizeof(args)); - } while (r == -EBUSY); -} - - -static void ctx_cs(struct ctx *ctx, uint32_t *cs, uint32_t cs_flags[2], unsigned ndw, - struct bo **bo, uint32_t *bo_relocs, unsigned nbo) -{ - struct drm_radeon_cs args; - struct drm_radeon_cs_chunk chunks[3]; - uint64_t chunk_array[3]; - unsigned i; - int r; - - /* update handle */ - for (i = 0; i < nbo; i++) { - bo_relocs[i*4+0] = bo[i]->handle; - } - - args.num_chunks = 2; - if (cs_flags[0] || cs_flags[1]) { - /* enable RADEON_CHUNK_ID_FLAGS */ - args.num_chunks = 3; - } - args.chunks = (uint64_t)(uintptr_t)chunk_array; - chunks[0].chunk_id = RADEON_CHUNK_ID_IB; - chunks[0].length_dw = ndw; - chunks[0].chunk_data = (uintptr_t)cs; - chunks[1].chunk_id = RADEON_CHUNK_ID_RELOCS; - chunks[1].length_dw = nbo * 4; - chunks[1].chunk_data = (uintptr_t)bo_relocs; - chunks[2].chunk_id = RADEON_CHUNK_ID_FLAGS; - chunks[2].length_dw = 2; - chunks[2].chunk_data = (uintptr_t)cs_flags; - chunk_array[0] = (uintptr_t)&chunks[0]; - chunk_array[1] = (uintptr_t)&chunks[1]; - chunk_array[2] = (uintptr_t)&chunks[2]; - - fprintf(stderr, "emiting cs %ddw with %d bo\n", ndw, nbo); - r = drmCommandWriteRead(ctx->fd, DRM_RADEON_CS, &args, sizeof(args)); - if (r) { - fprintf(stderr, "cs submission failed with %d\n", r); - return; - } -} - -static void bo_map(struct ctx *ctx, struct bo *bo) -{ - struct drm_radeon_gem_mmap args; - void *ptr; - int r; - - /* Zero out args to make valgrind happy */ - memset(&args, 0, sizeof(args)); - args.handle = bo->handle; - args.offset = 0; - args.size = (uint64_t)bo->size; - r = drmCommandWriteRead(ctx->fd, DRM_RADEON_GEM_MMAP, &args, sizeof(args)); - if (r) { - fprintf(stderr, "error mapping %p 0x%08X (error = %d)\n", bo, bo->handle, r); - exit(-1); - } - ptr = mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED, ctx->fd, args.addr_ptr); - if (ptr == MAP_FAILED) { - fprintf(stderr, "%s failed to map bo\n", __func__); - exit(-1); - } - bo->ptr = ptr; -} - -static void bo_va(struct ctx *ctx, struct bo *bo) -{ - struct drm_radeon_gem_va args; - int r; - - args.handle = bo->handle; - args.vm_id = 0; - args.operation = RADEON_VA_MAP; - args.flags = RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_WRITEABLE | RADEON_VM_PAGE_SNOOPED; - args.offset = bo->va; - r = drmCommandWriteRead(ctx->fd, DRM_RADEON_GEM_VA, &args, sizeof(args)); - if (r && args.operation == RADEON_VA_RESULT_ERROR) { - fprintf(stderr, "radeon: Failed to allocate virtual address for buffer:\n"); - fprintf(stderr, "radeon: size : %d bytes\n", bo->size); - fprintf(stderr, "radeon: alignment : %d bytes\n", bo->alignment); - fprintf(stderr, "radeon: va : 0x%016llx\n", (unsigned long long)bo->va); - exit(-1); - } -} - -static struct bo *bo_new(struct ctx *ctx, unsigned ndw, uint32_t *data, uint64_t va, uint32_t alignment) -{ - struct drm_radeon_gem_create args; - struct bo *bo; - int r; - - bo = calloc(1, sizeof(*bo)); - if (bo == NULL) { - fprintf(stderr, "failed to malloc bo struct\n"); - exit(-1); - } - bo->size = ndw * 4ULL; - bo->va = va; - bo->alignment = alignment; - - args.size = bo->size; - args.alignment = bo->alignment; - args.initial_domain = RADEON_GEM_DOMAIN_GTT; - args.flags = 0; - args.handle = 0; - - r = drmCommandWriteRead(ctx->fd, DRM_RADEON_GEM_CREATE, &args, sizeof(args)); - bo->handle = args.handle; - if (r) { - fprintf(stderr, "Failed to allocate :\n"); - fprintf(stderr, " size : %d bytes\n", bo->size); - fprintf(stderr, " alignment : %d bytes\n", bo->alignment); - free(bo); - exit(-1); - } - - if (data) { - bo_map(ctx, bo); - memcpy(bo->ptr, data, bo->size); - } - - if (va) { - bo_va(ctx, bo); - } - - return bo; -} - - -#endif |