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path: root/libdrm/radeon/radeon_cs_gem.c
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Diffstat (limited to 'libdrm/radeon/radeon_cs_gem.c')
-rw-r--r--libdrm/radeon/radeon_cs_gem.c458
1 files changed, 0 insertions, 458 deletions
diff --git a/libdrm/radeon/radeon_cs_gem.c b/libdrm/radeon/radeon_cs_gem.c
deleted file mode 100644
index 232ea7f3..00000000
--- a/libdrm/radeon/radeon_cs_gem.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/*
- * Copyright © 2008 Jérôme Glisse
- * 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:
- * Aapo Tahkola <aet@rasterburn.org>
- * Nicolai Haehnle <prefect_@gmx.net>
- * Jérôme Glisse <glisse@freedesktop.org>
- */
-#include <assert.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include "radeon_cs.h"
-#include "radeon_cs_gem.h"
-#include "radeon_bo_gem.h"
-#include "drm.h"
-#include "xf86drm.h"
-#include "radeon_drm.h"
-
-#pragma pack(1)
-struct cs_reloc_gem {
- uint32_t handle;
- uint32_t read_domain;
- uint32_t write_domain;
- uint32_t flags;
-};
-
-#pragma pack()
-#define RELOC_SIZE (sizeof(struct cs_reloc_gem) / sizeof(uint32_t))
-
-struct cs_gem {
- struct radeon_cs base;
- struct drm_radeon_cs cs;
- struct drm_radeon_cs_chunk chunks[2];
- unsigned nrelocs;
- uint32_t *relocs;
- struct radeon_bo **relocs_bo;
-};
-
-static struct radeon_cs *cs_gem_create(struct radeon_cs_manager *csm,
- uint32_t ndw)
-{
- struct cs_gem *csg;
-
- /* max cmd buffer size is 64Kb */
- if (ndw > (64 * 1024 / 4)) {
- return NULL;
- }
- csg = (struct cs_gem*)calloc(1, sizeof(struct cs_gem));
- if (csg == NULL) {
- return NULL;
- }
- csg->base.csm = csm;
- csg->base.ndw = 64 * 1024 / 4;
- csg->base.packets = (uint32_t*)calloc(1, 64 * 1024);
- if (csg->base.packets == NULL) {
- free(csg);
- return NULL;
- }
- csg->base.relocs_total_size = 0;
- csg->base.crelocs = 0;
- csg->nrelocs = 4096 / (4 * 4) ;
- csg->relocs_bo = (struct radeon_bo**)calloc(1,
- csg->nrelocs*sizeof(void*));
- if (csg->relocs_bo == NULL) {
- free(csg->base.packets);
- free(csg);
- return NULL;
- }
- csg->base.relocs = csg->relocs = (uint32_t*)calloc(1, 4096);
- if (csg->relocs == NULL) {
- free(csg->relocs_bo);
- free(csg->base.packets);
- free(csg);
- return NULL;
- }
- csg->chunks[0].chunk_id = RADEON_CHUNK_ID_IB;
- csg->chunks[0].length_dw = 0;
- csg->chunks[0].chunk_data = (uint64_t)(uintptr_t)csg->base.packets;
- csg->chunks[1].chunk_id = RADEON_CHUNK_ID_RELOCS;
- csg->chunks[1].length_dw = 0;
- csg->chunks[1].chunk_data = (uint64_t)(uintptr_t)csg->relocs;
- return (struct radeon_cs*)csg;
-}
-
-static int cs_gem_write_reloc(struct radeon_cs *cs,
- struct radeon_bo *bo,
- uint32_t read_domain,
- uint32_t write_domain,
- uint32_t flags)
-{
- struct cs_gem *csg = (struct cs_gem*)cs;
- struct cs_reloc_gem *reloc;
- uint32_t idx;
- unsigned i;
-
- assert(bo->space_accounted);
-
- /* check domains */
- if ((read_domain && write_domain) || (!read_domain && !write_domain)) {
- /* in one CS a bo can only be in read or write domain but not
- * in read & write domain at the same sime
- */
- return -EINVAL;
- }
- if (read_domain == RADEON_GEM_DOMAIN_CPU) {
- return -EINVAL;
- }
- if (write_domain == RADEON_GEM_DOMAIN_CPU) {
- return -EINVAL;
- }
- /* check if bo is already referenced */
- for(i = 0; i < cs->crelocs; i++) {
- idx = i * RELOC_SIZE;
- reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
- if (reloc->handle == bo->handle) {
- /* Check domains must be in read or write. As we check already
- * checked that in argument one of the read or write domain was
- * set we only need to check that if previous reloc as the read
- * domain set then the read_domain should also be set for this
- * new relocation.
- */
- /* the DDX expects to read and write from same pixmap */
- if (write_domain && (reloc->read_domain & write_domain)) {
- reloc->read_domain = 0;
- reloc->write_domain = write_domain;
- } else if (read_domain & reloc->write_domain) {
- reloc->read_domain = 0;
- } else {
- if (write_domain != reloc->write_domain)
- return -EINVAL;
- if (read_domain != reloc->read_domain)
- return -EINVAL;
- }
-
- reloc->read_domain |= read_domain;
- reloc->write_domain |= write_domain;
- /* update flags */
- reloc->flags |= (flags & reloc->flags);
- /* write relocation packet */
- radeon_cs_write_dword(cs, 0xc0001000);
- radeon_cs_write_dword(cs, idx);
- return 0;
- }
- }
- /* new relocation */
- if (csg->base.crelocs >= csg->nrelocs) {
- /* allocate more memory (TODO: should use a slab allocatore maybe) */
- uint32_t *tmp, size;
- size = ((csg->nrelocs + 1) * sizeof(struct radeon_bo*));
- tmp = (uint32_t*)realloc(csg->relocs_bo, size);
- if (tmp == NULL) {
- return -ENOMEM;
- }
- csg->relocs_bo = (struct radeon_bo**)tmp;
- size = ((csg->nrelocs + 1) * RELOC_SIZE * 4);
- tmp = (uint32_t*)realloc(csg->relocs, size);
- if (tmp == NULL) {
- return -ENOMEM;
- }
- cs->relocs = csg->relocs = tmp;
- csg->nrelocs += 1;
- csg->chunks[1].chunk_data = (uint64_t)(uintptr_t)csg->relocs;
- }
- csg->relocs_bo[csg->base.crelocs] = bo;
- idx = (csg->base.crelocs++) * RELOC_SIZE;
- reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
- reloc->handle = bo->handle;
- reloc->read_domain = read_domain;
- reloc->write_domain = write_domain;
- reloc->flags = flags;
- csg->chunks[1].length_dw += RELOC_SIZE;
- radeon_bo_ref(bo);
- cs->relocs_total_size += bo->size;
- radeon_cs_write_dword(cs, 0xc0001000);
- radeon_cs_write_dword(cs, idx);
- return 0;
-}
-
-static int cs_gem_begin(struct radeon_cs *cs,
- uint32_t ndw,
- const char *file,
- const char *func,
- int line)
-{
-
- if (cs->section) {
- fprintf(stderr, "CS already in a section(%s,%s,%d)\n",
- cs->section_file, cs->section_func, cs->section_line);
- fprintf(stderr, "CS can't start section(%s,%s,%d)\n",
- file, func, line);
- return -EPIPE;
- }
- cs->section = 1;
- cs->section_ndw = ndw;
- cs->section_cdw = 0;
- cs->section_file = file;
- cs->section_func = func;
- cs->section_line = line;
-
-
- if (cs->cdw + ndw > cs->ndw) {
- uint32_t tmp, *ptr;
-
- /* round up the required size to a multiple of 1024 */
- tmp = (cs->cdw + ndw + 0x3FF) & (~0x3FF);
- ptr = (uint32_t*)realloc(cs->packets, 4 * tmp);
- if (ptr == NULL) {
- return -ENOMEM;
- }
- cs->packets = ptr;
- cs->ndw = tmp;
- }
-
- return 0;
-}
-
-static int cs_gem_end(struct radeon_cs *cs,
- const char *file,
- const char *func,
- int line)
-
-{
- if (!cs->section) {
- fprintf(stderr, "CS no section to end at (%s,%s,%d)\n",
- file, func, line);
- return -EPIPE;
- }
- cs->section = 0;
- if (cs->section_ndw != cs->section_cdw) {
- fprintf(stderr, "CS section size missmatch start at (%s,%s,%d) %d vs %d\n",
- cs->section_file, cs->section_func, cs->section_line, cs->section_ndw, cs->section_cdw);
- fprintf(stderr, "CS section end at (%s,%s,%d)\n",
- file, func, line);
- return -EPIPE;
- }
- return 0;
-}
-
-static int cs_gem_emit(struct radeon_cs *cs)
-{
- struct cs_gem *csg = (struct cs_gem*)cs;
- uint64_t chunk_array[2];
- unsigned i;
- int r;
-
- csg->chunks[0].length_dw = cs->cdw;
-
- chunk_array[0] = (uint64_t)(uintptr_t)&csg->chunks[0];
- chunk_array[1] = (uint64_t)(uintptr_t)&csg->chunks[1];
-
- csg->cs.num_chunks = 2;
- csg->cs.chunks = (uint64_t)(uintptr_t)chunk_array;
-
- r = drmCommandWriteRead(cs->csm->fd, DRM_RADEON_CS,
- &csg->cs, sizeof(struct drm_radeon_cs));
- for (i = 0; i < csg->base.crelocs; i++) {
- csg->relocs_bo[i]->space_accounted = 0;
- radeon_bo_unref(csg->relocs_bo[i]);
- csg->relocs_bo[i] = NULL;
- }
-
- cs->csm->read_used = 0;
- cs->csm->vram_write_used = 0;
- cs->csm->gart_write_used = 0;
- return r;
-}
-
-static int cs_gem_destroy(struct radeon_cs *cs)
-{
- struct cs_gem *csg = (struct cs_gem*)cs;
-
- free(csg->relocs_bo);
- free(cs->relocs);
- free(cs->packets);
- free(cs);
- return 0;
-}
-
-static int cs_gem_erase(struct radeon_cs *cs)
-{
- struct cs_gem *csg = (struct cs_gem*)cs;
- unsigned i;
-
- if (csg->relocs_bo) {
- for (i = 0; i < csg->base.crelocs; i++) {
- if (csg->relocs_bo[i]) {
- radeon_bo_unref(csg->relocs_bo[i]);
- csg->relocs_bo[i] = NULL;
- }
- }
- }
- cs->relocs_total_size = 0;
- cs->cdw = 0;
- cs->section = 0;
- cs->crelocs = 0;
- csg->chunks[0].length_dw = 0;
- csg->chunks[1].length_dw = 0;
- return 0;
-}
-
-static int cs_gem_need_flush(struct radeon_cs *cs)
-{
- return 0; //(cs->relocs_total_size > (32*1024*1024));
-}
-
-#define PACKET_TYPE0 0
-#define PACKET_TYPE1 1
-#define PACKET_TYPE2 2
-#define PACKET_TYPE3 3
-
-#define PACKET3_NOP 0x10
-#define PACKET3_SET_SCISSORS 0x1E
-#define PACKET3_3D_DRAW_VBUF 0x28
-#define PACKET3_3D_DRAW_IMMD 0x29
-#define PACKET3_3D_DRAW_INDX 0x2A
-#define PACKET3_3D_LOAD_VBPNTR 0x2F
-#define PACKET3_INDX_BUFFER 0x33
-#define PACKET3_3D_DRAW_VBUF_2 0x34
-#define PACKET3_3D_DRAW_IMMD_2 0x35
-#define PACKET3_3D_DRAW_INDX_2 0x36
-
-#define CP_PACKET_GET_TYPE(h) (((h) >> 30) & 3)
-#define CP_PACKET_GET_COUNT(h) (((h) >> 16) & 0x3FFF)
-#define CP_PACKET0_GET_REG(h) (((h) & 0x1FFF) << 2)
-#define CP_PACKET0_GET_ONE_REG_WR(h) (((h) >> 15) & 1)
-#define CP_PACKET3_GET_OPCODE(h) (((h) >> 8) & 0xFF)
-
-static void cs_gem_print(struct radeon_cs *cs, FILE *file)
-{
- unsigned opcode;
- unsigned reg;
- unsigned cnt;
- unsigned int i, j;
-
- for (i = 0; i < cs->cdw;) {
- cnt = CP_PACKET_GET_COUNT(cs->packets[i]) + 1;
- switch (CP_PACKET_GET_TYPE(cs->packets[i])) {
- case PACKET_TYPE0:
- fprintf(file, "Pkt0 at %d (%d dwords):\n", i, cnt);
- reg = CP_PACKET0_GET_REG(cs->packets[i]);
- if (CP_PACKET0_GET_ONE_REG_WR(cs->packets[i++])) {
- for (j = 0; j < cnt; j++) {
- fprintf(file, " 0x%08X -> 0x%04X\n",
- cs->packets[i++], reg);
- }
- } else {
- for (j = 0; j < cnt; j++) {
- fprintf(file, " 0x%08X -> 0x%04X\n",
- cs->packets[i++], reg);
- reg += 4;
- }
- }
- break;
- case PACKET_TYPE3:
- fprintf(file, "Pkt3 at %d :\n", i);
- opcode = CP_PACKET3_GET_OPCODE(cs->packets[i++]);
- switch (opcode) {
- case PACKET3_NOP:
- fprintf(file, " PACKET3_NOP:\n");
- break;
- case PACKET3_3D_DRAW_VBUF:
- fprintf(file, " PACKET3_3D_DRAW_VBUF:\n");
- break;
- case PACKET3_3D_DRAW_IMMD:
- fprintf(file, " PACKET3_3D_DRAW_IMMD:\n");
- break;
- case PACKET3_3D_DRAW_INDX:
- fprintf(file, " PACKET3_3D_DRAW_INDX:\n");
- break;
- case PACKET3_3D_LOAD_VBPNTR:
- fprintf(file, " PACKET3_3D_LOAD_VBPNTR:\n");
- break;
- case PACKET3_INDX_BUFFER:
- fprintf(file, " PACKET3_INDX_BUFFER:\n");
- break;
- case PACKET3_3D_DRAW_VBUF_2:
- fprintf(file, " PACKET3_3D_DRAW_VBUF_2:\n");
- break;
- case PACKET3_3D_DRAW_IMMD_2:
- fprintf(file, " PACKET3_3D_DRAW_IMMD_2:\n");
- break;
- case PACKET3_3D_DRAW_INDX_2:
- fprintf(file, " PACKET3_3D_DRAW_INDX_2:\n");
- break;
- default:
- fprintf(file, "Unknow opcode 0x%02X at %d\n", opcode, i);
- return;
- }
- for (j = 0; j < cnt; j++) {
- fprintf(file, " 0x%08X\n", cs->packets[i++]);
- }
- break;
- case PACKET_TYPE1:
- case PACKET_TYPE2:
- default:
- fprintf(file, "Unknow packet 0x%08X at %d\n", cs->packets[i], i);
- return;
- }
- }
-}
-
-
-
-static struct radeon_cs_funcs radeon_cs_gem_funcs = {
- cs_gem_create,
- cs_gem_write_reloc,
- cs_gem_begin,
- cs_gem_end,
- cs_gem_emit,
- cs_gem_destroy,
- cs_gem_erase,
- cs_gem_need_flush,
- cs_gem_print,
-};
-
-struct radeon_cs_manager *radeon_cs_manager_gem_ctor(int fd)
-{
- struct radeon_cs_manager *csm;
-
- csm = (struct radeon_cs_manager*)calloc(1,
- sizeof(struct radeon_cs_manager));
- if (csm == NULL) {
- return NULL;
- }
- csm->funcs = &radeon_cs_gem_funcs;
- csm->fd = fd;
- return csm;
-}
-
-void radeon_cs_manager_gem_dtor(struct radeon_cs_manager *csm)
-{
- free(csm);
-}
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