summaryrefslogtreecommitdiff
path: root/shared-core/radeon_ms_exec.c
diff options
context:
space:
mode:
Diffstat (limited to 'shared-core/radeon_ms_exec.c')
-rw-r--r--shared-core/radeon_ms_exec.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/shared-core/radeon_ms_exec.c b/shared-core/radeon_ms_exec.c
deleted file mode 100644
index bda9a846..00000000
--- a/shared-core/radeon_ms_exec.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * Copyright 2007 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, 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT 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.
- *
- * Authors:
- * Jerome Glisse <glisse@freedesktop.org>
- */
-#include "radeon_ms.h"
-#include "amd.h"
-
-static inline void amd_cmd_bo_cleanup(struct drm_device *dev,
- struct amd_cmd *cmd)
-{
- struct amd_cmd_bo *bo;
-
- mutex_lock(&dev->struct_mutex);
- list_for_each_entry(bo, &cmd->bo_unused.list, list) {
- drm_bo_usage_deref_locked(&bo->bo);
- }
- list_for_each_entry(bo, &cmd->bo_used.list, list) {
- drm_bo_usage_deref_locked(&bo->bo);
- }
- mutex_unlock(&dev->struct_mutex);
-}
-
-static inline int amd_cmd_bo_validate(struct drm_device *dev,
- struct drm_file *file,
- struct amd_cmd_bo *cmd_bo,
- struct drm_amd_cmd_bo *bo,
- uint64_t data)
-{
- int ret;
-
- /* validate only cmd indirect or data bo */
- switch (bo->type) {
- case DRM_AMD_CMD_BO_TYPE_CMD_INDIRECT:
- case DRM_AMD_CMD_BO_TYPE_DATA:
- case DRM_AMD_CMD_BO_TYPE_CMD_RING:
- /* FIXME: make sure userspace can no longer map the bo */
- break;
- default:
- return 0;
- }
- /* check that buffer operation is validate */
- if (bo->op_req.op != drm_bo_validate) {
- DRM_ERROR("buffer 0x%x object operation is not validate.\n",
- cmd_bo->handle);
- return -EINVAL;
- }
- /* validate buffer */
- memset(&bo->op_rep, 0, sizeof(struct drm_bo_arg_rep));
- ret = drm_bo_handle_validate(file,
- bo->op_req.bo_req.handle,
- bo->op_req.bo_req.flags,
- bo->op_req.bo_req.mask,
- bo->op_req.bo_req.hint,
- bo->op_req.bo_req.fence_class,
- &bo->op_rep.bo_info,
- &cmd_bo->bo);
- if (ret) {
- DRM_ERROR("validate error %d for 0x%08x\n",
- ret, cmd_bo->handle);
- return ret;
- }
- if (copy_to_user((void __user *)((unsigned)data), bo,
- sizeof(struct drm_amd_cmd_bo))) {
- DRM_ERROR("failed to copy to user validate result of 0x%08x\n",
- cmd_bo->handle);
- return -EFAULT;
- }
- return 0;
-}
-
-static int amd_cmd_parse_cmd_bo(struct drm_device *dev,
- struct drm_file *file,
- struct drm_amd_cmd *drm_amd_cmd,
- struct amd_cmd *cmd)
-{
- struct drm_amd_cmd_bo drm_amd_cmd_bo;
- struct amd_cmd_bo *cmd_bo;
- uint32_t bo_count = 0;
- uint64_t data = drm_amd_cmd->bo;
- int ret = 0;
-
- do {
- /* check we don't have more buffer than announced */
- if (bo_count >= drm_amd_cmd->bo_count) {
- DRM_ERROR("cmd bo count exceeded got %d waited %d\n.",
- bo_count, drm_amd_cmd->bo_count);
- return -EINVAL;
- }
- /* initialize amd_cmd_bo */
- cmd_bo = &cmd->bo[bo_count];
- INIT_LIST_HEAD(&cmd_bo->list);
- cmd_bo->bo = NULL;
- /* copy from userspace */
- if (copy_from_user(&drm_amd_cmd_bo,
- (void __user *)((unsigned)data),
- sizeof(struct drm_amd_cmd_bo))) {
- return -EFAULT;
- }
- /* collect informations */
- cmd_bo->type = drm_amd_cmd_bo.type;
- cmd_bo->mask = drm_amd_cmd_bo.op_req.bo_req.mask;
- cmd_bo->flags = drm_amd_cmd_bo.op_req.bo_req.flags;
- cmd_bo->handle = drm_amd_cmd_bo.op_req.arg_handle;
- /* get bo objects */
- mutex_lock(&dev->struct_mutex);
- cmd_bo->bo = drm_lookup_buffer_object(file, cmd_bo->handle, 1);
- mutex_unlock(&dev->struct_mutex);
- if (cmd_bo->bo == NULL) {
- DRM_ERROR("unknown bo handle 0x%x\n", cmd_bo->handle);
- return -EINVAL;
- }
- /* validate buffer if necessary */
- ret = amd_cmd_bo_validate(dev, file, cmd_bo,
- &drm_amd_cmd_bo, data);
- if (ret) {
- mutex_lock(&dev->struct_mutex);
- drm_bo_usage_deref_locked(&cmd_bo->bo);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
- /* inspect bo type */
- switch (cmd_bo->type) {
- case DRM_AMD_CMD_BO_TYPE_CMD_INDIRECT:
- /* add it so we properly unreference in case of error */
- list_add_tail(&cmd_bo->list, &cmd->bo_used.list);
- return -EINVAL;
- case DRM_AMD_CMD_BO_TYPE_DATA:
- /* add to unused list */
- list_add_tail(&cmd_bo->list, &cmd->bo_unused.list);
- break;
- case DRM_AMD_CMD_BO_TYPE_CMD_RING:
- /* set cdw_bo */
- list_add_tail(&cmd_bo->list, &cmd->bo_used.list);
- cmd->cdw_bo = cmd_bo;
- break;
- default:
- mutex_lock(&dev->struct_mutex);
- drm_bo_usage_deref_locked(&cmd_bo->bo);
- mutex_unlock(&dev->struct_mutex);
- DRM_ERROR("unknow bo 0x%x unknown type 0x%x in cmd\n",
- cmd_bo->handle, cmd_bo->type);
- return -EINVAL;
- }
- /* ok next bo */
- data = drm_amd_cmd_bo.next;
- bo_count++;
- } while (data != 0);
- if (bo_count != drm_amd_cmd->bo_count) {
- DRM_ERROR("not enought buffer got %d expected %d\n.",
- bo_count, drm_amd_cmd->bo_count);
- return -EINVAL;
- }
- return 0;
-}
-
-static int amd_cmd_packet0_check(struct drm_device *dev,
- struct amd_cmd *cmd,
- int *cdw_id)
-{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- uint32_t reg, count, r, i;
- int ret;
-
- reg = cmd->cdw[*cdw_id] & PACKET0_REG_MASK;
- count = (cmd->cdw[*cdw_id] & PACKET0_COUNT_MASK) >> PACKET0_COUNT_SHIFT;
- if (reg + count > dev_priv->cmd_module.numof_p0_checkers) {
- DRM_ERROR("0x%08X registers is above last accepted registers\n",
- reg << 2);
- return -EINVAL;
- }
- for (r = reg, i = 0; i <= count; i++, r++) {
- if (dev_priv->cmd_module.check_p0[r] == NULL) {
- continue;
- }
- if (dev_priv->cmd_module.check_p0[r] == (void *)-1) {
- DRM_ERROR("register 0x%08X (at %d) is forbidden\n",
- r << 2, (*cdw_id) + i + 1);
- return -EINVAL;
- }
- ret = dev_priv->cmd_module.check_p0[r](dev, cmd,
- (*cdw_id) + i + 1, r);
- if (ret) {
- return ret;
- }
- }
- /* header + N + 1 dword passed test */
- (*cdw_id) += count + 2;
- return 0;
-}
-
-static int amd_cmd_packet3_check(struct drm_device *dev,
- struct amd_cmd *cmd,
- int *cdw_id)
-{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- uint32_t opcode, count;
- int ret;
-
- opcode = (cmd->cdw[*cdw_id] & PACKET3_OPCODE_MASK) >>
- PACKET3_OPCODE_SHIFT;
- if (opcode > dev_priv->cmd_module.numof_p3_checkers) {
- DRM_ERROR("0x%08X opcode is above last accepted opcodes\n",
- opcode);
- return -EINVAL;
- }
- count = (cmd->cdw[*cdw_id] & PACKET3_COUNT_MASK) >> PACKET3_COUNT_SHIFT;
- if (dev_priv->cmd_module.check_p3[opcode] == NULL) {
- DRM_ERROR("0x%08X opcode is forbidden\n", opcode);
- return -EINVAL;
- }
- ret = dev_priv->cmd_module.check_p3[opcode](dev, cmd,
- (*cdw_id) + 1, opcode,
- count);
- if (ret) {
- return ret;
- }
- /* header + N + 1 dword passed test */
- (*cdw_id) += count + 2;
- return 0;
-}
-
-int amd_cmd_check(struct drm_device *dev, struct amd_cmd *cmd)
-{
- uint32_t i;
- int ret;
-
- for (i = 0; i < cmd->cdw_count;) {
- switch (PACKET_HEADER_GET(cmd->cdw[i])) {
- case 0:
- ret = amd_cmd_packet0_check(dev, cmd, &i);
- if (ret) {
- return ret;
- }
- break;
- case 1:
- /* we don't accept packet 1 */
- return -EINVAL;
- case 2:
- /* FIXME: accept packet 2 */
- return -EINVAL;
- case 3:
- ret = amd_cmd_packet3_check(dev, cmd, &i);
- if (ret) {
- return ret;
- }
- break;
- }
- }
- return 0;
-}
-
-static int amd_ioctl_cmd_cleanup(struct drm_device *dev,
- struct drm_file *file,
- struct amd_cmd *cmd,
- int r)
-{
- /* check if we need to unfence object */
- if (r && (!list_empty(&cmd->bo_unused.list) ||
- !list_empty(&cmd->bo_unused.list))) {
- drm_putback_buffer_objects(dev);
- }
- if (cmd->cdw) {
- drm_bo_kunmap(&cmd->cdw_kmap);
- cmd->cdw = NULL;
- }
- /* derefence buffer as lookup reference them */
- amd_cmd_bo_cleanup(dev, cmd);
- if (cmd->bo) {
- drm_free(cmd->bo,
- cmd->bo_count * sizeof(struct amd_cmd_bo),
- DRM_MEM_DRIVER);
- cmd->bo = NULL;
- }
- drm_bo_read_unlock(&dev->bm.bm_lock);
- return r;
-}
-
-int amd_ioctl_cmd(struct drm_device *dev, void *data, struct drm_file *file)
-{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct drm_amd_cmd *drm_amd_cmd = data;
- struct drm_fence_arg *fence_arg = &drm_amd_cmd->fence_arg;
- struct drm_fence_object *fence;
- struct amd_cmd cmd;
- int tmp;
- int ret;
-
- /* check that we have a command checker */
- if (dev_priv->cmd_module.check == NULL) {
- DRM_ERROR("invalid command checker module.\n");
- return -EFAULT;
- }
- /* command dword count must be >= 0 */
- if (drm_amd_cmd->cdw_count == 0) {
- DRM_ERROR("command dword count is 0.\n");
- return -EINVAL;
- }
-
- /* FIXME: Lock buffer manager. This is needed so the X server can
- * block DRI clients while VT switched. The X server will then
- * take the lock in write mode
- */
-
- ret = drm_bo_read_lock(&dev->bm.bm_lock, 1);
- if (ret) {
-
- /* FIXME: ret can be -EAGAIN here,
- * which really isn't an error.
- */
-
- DRM_ERROR("bo read locking failed.\n");
- return ret;
- }
- /* cleanup & initialize amd cmd structure */
- memset(&cmd, 0, sizeof(struct amd_cmd));
- cmd.bo_count = drm_amd_cmd->bo_count;
- INIT_LIST_HEAD(&cmd.bo_unused.list);
- INIT_LIST_HEAD(&cmd.bo_used.list);
- /* allocate structure for bo parsing */
- cmd.bo = drm_calloc(cmd.bo_count, sizeof(struct amd_cmd_bo),
- DRM_MEM_DRIVER);
- if (cmd.bo == NULL) {
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, -ENOMEM);
- }
- /* parse cmd bo */
- ret = amd_cmd_parse_cmd_bo(dev, file, drm_amd_cmd, &cmd);
- if (ret) {
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, ret);
- }
- /* check that a command buffer have been found */
- if (cmd.cdw_bo == NULL) {
- DRM_ERROR("no command buffer submited in cmd ioctl\n");
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, -EINVAL);
- }
- /* map command buffer */
- cmd.cdw_count = drm_amd_cmd->cdw_count;
- cmd.cdw_size = (cmd.cdw_bo->bo->mem.num_pages * PAGE_SIZE) >> 2;
- if (cmd.cdw_size < cmd.cdw_count) {
- DRM_ERROR("command buffer (%d) is smaller than expected (%d)\n",
- cmd.cdw_size, cmd.cdw_count);
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, -EINVAL);
- }
- memset(&cmd.cdw_kmap, 0, sizeof(struct drm_bo_kmap_obj));
- ret = drm_bo_kmap(cmd.cdw_bo->bo, 0,
- cmd.cdw_bo->bo->mem.num_pages, &cmd.cdw_kmap);
- if (ret) {
- DRM_ERROR("error mapping command buffer\n");
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, ret);
- }
- cmd.cdw = drm_bmo_virtual(&cmd.cdw_kmap, &tmp);
- /* do command checking */
- ret = dev_priv->cmd_module.check(dev, &cmd);
- if (ret) {
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, ret);
- }
- /* copy command to ring */
- ret = radeon_ms_ring_emit(dev, cmd.cdw, cmd.cdw_count);
- if (ret) {
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, ret);
- }
- /* fence */
- ret = drm_fence_buffer_objects(dev, NULL, 0, NULL, &fence);
- if (ret) {
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, ret);
- }
- if (!(fence_arg->flags & DRM_FENCE_FLAG_NO_USER)) {
- ret = drm_fence_add_user_object(file, fence,
- fence_arg->flags &
- DRM_FENCE_FLAG_SHAREABLE);
- if (!ret) {
- fence_arg->handle = fence->base.hash.key;
- fence_arg->fence_class = fence->fence_class;
- fence_arg->type = fence->type;
- fence_arg->signaled = fence->signaled_types;
- fence_arg->sequence = fence->sequence;
- } else {
- DRM_ERROR("error add object fence, expect oddity !\n");
- }
- }
- drm_fence_usage_deref_unlocked(&fence);
- return amd_ioctl_cmd_cleanup(dev, file, &cmd, 0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 21:53:27 +0000