4438 lines
128 KiB
C
4438 lines
128 KiB
C
/**************************************************************************
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*
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* Copyright © 2009 - 2015 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "vmwgfx_drv.h"
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#include "vmwgfx_reg.h"
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#include <drm/ttm/ttm_bo_api.h>
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#include <drm/ttm/ttm_placement.h>
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#include "vmwgfx_so.h"
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#include "vmwgfx_binding.h"
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#define VMW_RES_HT_ORDER 12
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/**
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* enum vmw_resource_relocation_type - Relocation type for resources
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*
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* @vmw_res_rel_normal: Traditional relocation. The resource id in the
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* command stream is replaced with the actual id after validation.
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* @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
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* with a NOP.
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* @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id
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* after validation is -1, the command is replaced with a NOP. Otherwise no
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* action.
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*/
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enum vmw_resource_relocation_type {
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vmw_res_rel_normal,
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vmw_res_rel_nop,
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vmw_res_rel_cond_nop,
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vmw_res_rel_max
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};
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/**
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* struct vmw_resource_relocation - Relocation info for resources
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*
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* @head: List head for the software context's relocation list.
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* @res: Non-ref-counted pointer to the resource.
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* @offset: Offset of single byte entries into the command buffer where the
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* id that needs fixup is located.
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* @rel_type: Type of relocation.
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*/
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struct vmw_resource_relocation {
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struct list_head head;
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const struct vmw_resource *res;
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u32 offset:29;
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enum vmw_resource_relocation_type rel_type:3;
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};
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/**
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* struct vmw_resource_val_node - Validation info for resources
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*
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* @head: List head for the software context's resource list.
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* @hash: Hash entry for quick resouce to val_node lookup.
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* @res: Ref-counted pointer to the resource.
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* @switch_backup: Boolean whether to switch backup buffer on unreserve.
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* @new_backup: Refcounted pointer to the new backup buffer.
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* @staged_bindings: If @res is a context, tracks bindings set up during
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* the command batch. Otherwise NULL.
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* @new_backup_offset: New backup buffer offset if @new_backup is non-NUll.
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* @first_usage: Set to true the first time the resource is referenced in
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* the command stream.
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* @switching_backup: The command stream provides a new backup buffer for a
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* resource.
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* @no_buffer_needed: This means @switching_backup is true on first buffer
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* reference. So resource reservation does not need to allocate a backup
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* buffer for the resource.
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*/
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struct vmw_resource_val_node {
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struct list_head head;
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struct drm_hash_item hash;
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struct vmw_resource *res;
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struct vmw_dma_buffer *new_backup;
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struct vmw_ctx_binding_state *staged_bindings;
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unsigned long new_backup_offset;
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u32 first_usage : 1;
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u32 switching_backup : 1;
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u32 no_buffer_needed : 1;
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};
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/**
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* struct vmw_cmd_entry - Describe a command for the verifier
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*
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* @user_allow: Whether allowed from the execbuf ioctl.
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* @gb_disable: Whether disabled if guest-backed objects are available.
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* @gb_enable: Whether enabled iff guest-backed objects are available.
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*/
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struct vmw_cmd_entry {
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int (*func) (struct vmw_private *, struct vmw_sw_context *,
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SVGA3dCmdHeader *);
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bool user_allow;
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bool gb_disable;
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bool gb_enable;
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};
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#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
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[(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
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(_gb_disable), (_gb_enable)}
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static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
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struct vmw_sw_context *sw_context,
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struct vmw_resource *ctx);
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static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
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struct vmw_sw_context *sw_context,
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SVGAMobId *id,
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struct vmw_dma_buffer **vmw_bo_p);
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static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
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struct vmw_dma_buffer *vbo,
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bool validate_as_mob,
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uint32_t *p_val_node);
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/**
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* vmw_ptr_diff - Compute the offset from a to b in bytes
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*
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* @a: A starting pointer.
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* @b: A pointer offset in the same address space.
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*
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* Returns: The offset in bytes between the two pointers.
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*/
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static size_t vmw_ptr_diff(void *a, void *b)
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{
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return (unsigned long) b - (unsigned long) a;
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}
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/**
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* vmw_resources_unreserve - unreserve resources previously reserved for
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* command submission.
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*
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* @sw_context: pointer to the software context
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* @backoff: Whether command submission failed.
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*/
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static void vmw_resources_unreserve(struct vmw_sw_context *sw_context,
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bool backoff)
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{
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struct vmw_resource_val_node *val;
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struct list_head *list = &sw_context->resource_list;
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if (sw_context->dx_query_mob && !backoff)
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vmw_context_bind_dx_query(sw_context->dx_query_ctx,
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sw_context->dx_query_mob);
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list_for_each_entry(val, list, head) {
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struct vmw_resource *res = val->res;
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bool switch_backup =
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(backoff) ? false : val->switching_backup;
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/*
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* Transfer staged context bindings to the
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* persistent context binding tracker.
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*/
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if (unlikely(val->staged_bindings)) {
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if (!backoff) {
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vmw_binding_state_commit
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(vmw_context_binding_state(val->res),
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val->staged_bindings);
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}
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if (val->staged_bindings != sw_context->staged_bindings)
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vmw_binding_state_free(val->staged_bindings);
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else
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sw_context->staged_bindings_inuse = false;
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val->staged_bindings = NULL;
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}
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vmw_resource_unreserve(res, switch_backup, val->new_backup,
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val->new_backup_offset);
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vmw_dmabuf_unreference(&val->new_backup);
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}
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}
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/**
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* vmw_cmd_ctx_first_setup - Perform the setup needed when a context is
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* added to the validate list.
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*
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* @dev_priv: Pointer to the device private:
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* @sw_context: The validation context:
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* @node: The validation node holding this context.
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*/
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static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
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struct vmw_sw_context *sw_context,
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struct vmw_resource_val_node *node)
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{
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int ret;
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ret = vmw_resource_context_res_add(dev_priv, sw_context, node->res);
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if (unlikely(ret != 0))
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goto out_err;
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if (!sw_context->staged_bindings) {
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sw_context->staged_bindings =
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vmw_binding_state_alloc(dev_priv);
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if (IS_ERR(sw_context->staged_bindings)) {
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DRM_ERROR("Failed to allocate context binding "
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"information.\n");
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ret = PTR_ERR(sw_context->staged_bindings);
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sw_context->staged_bindings = NULL;
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goto out_err;
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}
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}
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if (sw_context->staged_bindings_inuse) {
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node->staged_bindings = vmw_binding_state_alloc(dev_priv);
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if (IS_ERR(node->staged_bindings)) {
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DRM_ERROR("Failed to allocate context binding "
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"information.\n");
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ret = PTR_ERR(node->staged_bindings);
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node->staged_bindings = NULL;
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goto out_err;
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}
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} else {
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node->staged_bindings = sw_context->staged_bindings;
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sw_context->staged_bindings_inuse = true;
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}
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return 0;
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out_err:
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return ret;
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}
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/**
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* vmw_resource_val_add - Add a resource to the software context's
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* resource list if it's not already on it.
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*
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* @sw_context: Pointer to the software context.
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* @res: Pointer to the resource.
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* @p_node On successful return points to a valid pointer to a
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* struct vmw_resource_val_node, if non-NULL on entry.
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*/
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static int vmw_resource_val_add(struct vmw_sw_context *sw_context,
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struct vmw_resource *res,
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struct vmw_resource_val_node **p_node)
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{
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struct vmw_private *dev_priv = res->dev_priv;
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struct vmw_resource_val_node *node;
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struct drm_hash_item *hash;
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int ret;
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if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) res,
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&hash) == 0)) {
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node = container_of(hash, struct vmw_resource_val_node, hash);
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node->first_usage = false;
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if (unlikely(p_node != NULL))
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*p_node = node;
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return 0;
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}
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node = kzalloc(sizeof(*node), GFP_KERNEL);
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if (unlikely(node == NULL)) {
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DRM_ERROR("Failed to allocate a resource validation "
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"entry.\n");
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return -ENOMEM;
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}
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node->hash.key = (unsigned long) res;
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ret = drm_ht_insert_item(&sw_context->res_ht, &node->hash);
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if (unlikely(ret != 0)) {
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DRM_ERROR("Failed to initialize a resource validation "
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"entry.\n");
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kfree(node);
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return ret;
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}
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node->res = vmw_resource_reference(res);
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node->first_usage = true;
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if (unlikely(p_node != NULL))
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*p_node = node;
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if (!dev_priv->has_mob) {
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list_add_tail(&node->head, &sw_context->resource_list);
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return 0;
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}
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switch (vmw_res_type(res)) {
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case vmw_res_context:
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case vmw_res_dx_context:
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list_add(&node->head, &sw_context->ctx_resource_list);
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ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, node);
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break;
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case vmw_res_cotable:
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list_add_tail(&node->head, &sw_context->ctx_resource_list);
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break;
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default:
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list_add_tail(&node->head, &sw_context->resource_list);
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break;
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}
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return ret;
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}
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/**
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* vmw_view_res_val_add - Add a view and the surface it's pointing to
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* to the validation list
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*
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* @sw_context: The software context holding the validation list.
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* @view: Pointer to the view resource.
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*
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* Returns 0 if success, negative error code otherwise.
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*/
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static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
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struct vmw_resource *view)
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{
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int ret;
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/*
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* First add the resource the view is pointing to, otherwise
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* it may be swapped out when the view is validated.
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*/
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ret = vmw_resource_val_add(sw_context, vmw_view_srf(view), NULL);
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if (ret)
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return ret;
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return vmw_resource_val_add(sw_context, view, NULL);
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}
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/**
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* vmw_view_id_val_add - Look up a view and add it and the surface it's
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* pointing to to the validation list.
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*
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* @sw_context: The software context holding the validation list.
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* @view_type: The view type to look up.
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* @id: view id of the view.
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*
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* The view is represented by a view id and the DX context it's created on,
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* or scheduled for creation on. If there is no DX context set, the function
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* will return -EINVAL. Otherwise returns 0 on success and -EINVAL on failure.
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*/
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static int vmw_view_id_val_add(struct vmw_sw_context *sw_context,
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enum vmw_view_type view_type, u32 id)
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{
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struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
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struct vmw_resource *view;
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int ret;
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if (!ctx_node) {
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DRM_ERROR("DX Context not set.\n");
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return -EINVAL;
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}
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view = vmw_view_lookup(sw_context->man, view_type, id);
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if (IS_ERR(view))
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return PTR_ERR(view);
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ret = vmw_view_res_val_add(sw_context, view);
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vmw_resource_unreference(&view);
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return ret;
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}
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/**
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* vmw_resource_context_res_add - Put resources previously bound to a context on
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* the validation list
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*
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* @dev_priv: Pointer to a device private structure
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* @sw_context: Pointer to a software context used for this command submission
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* @ctx: Pointer to the context resource
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*
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* This function puts all resources that were previously bound to @ctx on
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* the resource validation list. This is part of the context state reemission
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*/
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static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
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struct vmw_sw_context *sw_context,
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struct vmw_resource *ctx)
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{
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struct list_head *binding_list;
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struct vmw_ctx_bindinfo *entry;
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int ret = 0;
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struct vmw_resource *res;
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u32 i;
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/* Add all cotables to the validation list. */
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if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
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for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
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res = vmw_context_cotable(ctx, i);
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if (IS_ERR(res))
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continue;
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ret = vmw_resource_val_add(sw_context, res, NULL);
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vmw_resource_unreference(&res);
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if (unlikely(ret != 0))
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return ret;
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}
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}
|
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|
|
|
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/* Add all resources bound to the context to the validation list */
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mutex_lock(&dev_priv->binding_mutex);
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binding_list = vmw_context_binding_list(ctx);
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list_for_each_entry(entry, binding_list, ctx_list) {
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/* entry->res is not refcounted */
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res = vmw_resource_reference_unless_doomed(entry->res);
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if (unlikely(res == NULL))
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continue;
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|
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if (vmw_res_type(entry->res) == vmw_res_view)
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ret = vmw_view_res_val_add(sw_context, entry->res);
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else
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ret = vmw_resource_val_add(sw_context, entry->res,
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NULL);
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vmw_resource_unreference(&res);
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if (unlikely(ret != 0))
|
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break;
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}
|
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|
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if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
|
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struct vmw_dma_buffer *dx_query_mob;
|
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|
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dx_query_mob = vmw_context_get_dx_query_mob(ctx);
|
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if (dx_query_mob)
|
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ret = vmw_bo_to_validate_list(sw_context,
|
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dx_query_mob,
|
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true, NULL);
|
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}
|
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|
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mutex_unlock(&dev_priv->binding_mutex);
|
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return ret;
|
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}
|
|
|
|
/**
|
|
* vmw_resource_relocation_add - Add a relocation to the relocation list
|
|
*
|
|
* @list: Pointer to head of relocation list.
|
|
* @res: The resource.
|
|
* @offset: Offset into the command buffer currently being parsed where the
|
|
* id that needs fixup is located. Granularity is one byte.
|
|
* @rel_type: Relocation type.
|
|
*/
|
|
static int vmw_resource_relocation_add(struct list_head *list,
|
|
const struct vmw_resource *res,
|
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unsigned long offset,
|
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enum vmw_resource_relocation_type
|
|
rel_type)
|
|
{
|
|
struct vmw_resource_relocation *rel;
|
|
|
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rel = kmalloc(sizeof(*rel), GFP_KERNEL);
|
|
if (unlikely(rel == NULL)) {
|
|
DRM_ERROR("Failed to allocate a resource relocation.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rel->res = res;
|
|
rel->offset = offset;
|
|
rel->rel_type = rel_type;
|
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list_add_tail(&rel->head, list);
|
|
|
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return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_resource_relocations_free - Free all relocations on a list
|
|
*
|
|
* @list: Pointer to the head of the relocation list.
|
|
*/
|
|
static void vmw_resource_relocations_free(struct list_head *list)
|
|
{
|
|
struct vmw_resource_relocation *rel, *n;
|
|
|
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list_for_each_entry_safe(rel, n, list, head) {
|
|
list_del(&rel->head);
|
|
kfree(rel);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* vmw_resource_relocations_apply - Apply all relocations on a list
|
|
*
|
|
* @cb: Pointer to the start of the command buffer bein patch. This need
|
|
* not be the same buffer as the one being parsed when the relocation
|
|
* list was built, but the contents must be the same modulo the
|
|
* resource ids.
|
|
* @list: Pointer to the head of the relocation list.
|
|
*/
|
|
static void vmw_resource_relocations_apply(uint32_t *cb,
|
|
struct list_head *list)
|
|
{
|
|
struct vmw_resource_relocation *rel;
|
|
|
|
/* Validate the struct vmw_resource_relocation member size */
|
|
BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));
|
|
BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));
|
|
|
|
list_for_each_entry(rel, list, head) {
|
|
u32 *addr = (u32 *)((unsigned long) cb + rel->offset);
|
|
switch (rel->rel_type) {
|
|
case vmw_res_rel_normal:
|
|
*addr = rel->res->id;
|
|
break;
|
|
case vmw_res_rel_nop:
|
|
*addr = SVGA_3D_CMD_NOP;
|
|
break;
|
|
default:
|
|
if (rel->res->id == -1)
|
|
*addr = SVGA_3D_CMD_NOP;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int vmw_cmd_invalid(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int vmw_cmd_ok(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_bo_to_validate_list - add a bo to a validate list
|
|
*
|
|
* @sw_context: The software context used for this command submission batch.
|
|
* @bo: The buffer object to add.
|
|
* @validate_as_mob: Validate this buffer as a MOB.
|
|
* @p_val_node: If non-NULL Will be updated with the validate node number
|
|
* on return.
|
|
*
|
|
* Returns -EINVAL if the limit of number of buffer objects per command
|
|
* submission is reached.
|
|
*/
|
|
static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
|
|
struct vmw_dma_buffer *vbo,
|
|
bool validate_as_mob,
|
|
uint32_t *p_val_node)
|
|
{
|
|
uint32_t val_node;
|
|
struct vmw_validate_buffer *vval_buf;
|
|
struct ttm_validate_buffer *val_buf;
|
|
struct drm_hash_item *hash;
|
|
int ret;
|
|
|
|
if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) vbo,
|
|
&hash) == 0)) {
|
|
vval_buf = container_of(hash, struct vmw_validate_buffer,
|
|
hash);
|
|
if (unlikely(vval_buf->validate_as_mob != validate_as_mob)) {
|
|
DRM_ERROR("Inconsistent buffer usage.\n");
|
|
return -EINVAL;
|
|
}
|
|
val_buf = &vval_buf->base;
|
|
val_node = vval_buf - sw_context->val_bufs;
|
|
} else {
|
|
val_node = sw_context->cur_val_buf;
|
|
if (unlikely(val_node >= VMWGFX_MAX_VALIDATIONS)) {
|
|
DRM_ERROR("Max number of DMA buffers per submission "
|
|
"exceeded.\n");
|
|
return -EINVAL;
|
|
}
|
|
vval_buf = &sw_context->val_bufs[val_node];
|
|
vval_buf->hash.key = (unsigned long) vbo;
|
|
ret = drm_ht_insert_item(&sw_context->res_ht, &vval_buf->hash);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Failed to initialize a buffer validation "
|
|
"entry.\n");
|
|
return ret;
|
|
}
|
|
++sw_context->cur_val_buf;
|
|
val_buf = &vval_buf->base;
|
|
val_buf->bo = ttm_bo_reference(&vbo->base);
|
|
val_buf->shared = false;
|
|
list_add_tail(&val_buf->head, &sw_context->validate_nodes);
|
|
vval_buf->validate_as_mob = validate_as_mob;
|
|
}
|
|
|
|
if (p_val_node)
|
|
*p_val_node = val_node;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_resources_reserve - Reserve all resources on the sw_context's
|
|
* resource list.
|
|
*
|
|
* @sw_context: Pointer to the software context.
|
|
*
|
|
* Note that since vmware's command submission currently is protected by
|
|
* the cmdbuf mutex, no fancy deadlock avoidance is required for resources,
|
|
* since only a single thread at once will attempt this.
|
|
*/
|
|
static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_resource_val_node *val;
|
|
int ret = 0;
|
|
|
|
list_for_each_entry(val, &sw_context->resource_list, head) {
|
|
struct vmw_resource *res = val->res;
|
|
|
|
ret = vmw_resource_reserve(res, true, val->no_buffer_needed);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (res->backup) {
|
|
struct vmw_dma_buffer *vbo = res->backup;
|
|
|
|
ret = vmw_bo_to_validate_list
|
|
(sw_context, vbo,
|
|
vmw_resource_needs_backup(res), NULL);
|
|
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (sw_context->dx_query_mob) {
|
|
struct vmw_dma_buffer *expected_dx_query_mob;
|
|
|
|
expected_dx_query_mob =
|
|
vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
|
|
if (expected_dx_query_mob &&
|
|
expected_dx_query_mob != sw_context->dx_query_mob) {
|
|
ret = -EINVAL;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_resources_validate - Validate all resources on the sw_context's
|
|
* resource list.
|
|
*
|
|
* @sw_context: Pointer to the software context.
|
|
*
|
|
* Before this function is called, all resource backup buffers must have
|
|
* been validated.
|
|
*/
|
|
static int vmw_resources_validate(struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_resource_val_node *val;
|
|
int ret;
|
|
|
|
list_for_each_entry(val, &sw_context->resource_list, head) {
|
|
struct vmw_resource *res = val->res;
|
|
struct vmw_dma_buffer *backup = res->backup;
|
|
|
|
ret = vmw_resource_validate(res);
|
|
if (unlikely(ret != 0)) {
|
|
if (ret != -ERESTARTSYS)
|
|
DRM_ERROR("Failed to validate resource.\n");
|
|
return ret;
|
|
}
|
|
|
|
/* Check if the resource switched backup buffer */
|
|
if (backup && res->backup && (backup != res->backup)) {
|
|
struct vmw_dma_buffer *vbo = res->backup;
|
|
|
|
ret = vmw_bo_to_validate_list
|
|
(sw_context, vbo,
|
|
vmw_resource_needs_backup(res), NULL);
|
|
if (ret) {
|
|
ttm_bo_unreserve(&vbo->base);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_res_reloc_add - Add a resource to a software context's
|
|
* relocation- and validation lists.
|
|
*
|
|
* @dev_priv: Pointer to a struct vmw_private identifying the device.
|
|
* @sw_context: Pointer to the software context.
|
|
* @id_loc: Pointer to where the id that needs translation is located.
|
|
* @res: Valid pointer to a struct vmw_resource.
|
|
* @p_val: If non null, a pointer to the struct vmw_resource_validate_node
|
|
* used for this resource is returned here.
|
|
*/
|
|
static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
uint32_t *id_loc,
|
|
struct vmw_resource *res,
|
|
struct vmw_resource_val_node **p_val)
|
|
{
|
|
int ret;
|
|
struct vmw_resource_val_node *node;
|
|
|
|
*p_val = NULL;
|
|
ret = vmw_resource_relocation_add(&sw_context->res_relocations,
|
|
res,
|
|
vmw_ptr_diff(sw_context->buf_start,
|
|
id_loc),
|
|
vmw_res_rel_normal);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_resource_val_add(sw_context, res, &node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (p_val)
|
|
*p_val = node;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_cmd_res_check - Check that a resource is present and if so, put it
|
|
* on the resource validate list unless it's already there.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @sw_context: Pointer to the software context.
|
|
* @res_type: Resource type.
|
|
* @converter: User-space visisble type specific information.
|
|
* @id_loc: Pointer to the location in the command buffer currently being
|
|
* parsed from where the user-space resource id handle is located.
|
|
* @p_val: Pointer to pointer to resource validalidation node. Populated
|
|
* on exit.
|
|
*/
|
|
static int
|
|
vmw_cmd_res_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
enum vmw_res_type res_type,
|
|
const struct vmw_user_resource_conv *converter,
|
|
uint32_t *id_loc,
|
|
struct vmw_resource_val_node **p_val)
|
|
{
|
|
struct vmw_res_cache_entry *rcache =
|
|
&sw_context->res_cache[res_type];
|
|
struct vmw_resource *res;
|
|
struct vmw_resource_val_node *node;
|
|
int ret;
|
|
|
|
if (*id_loc == SVGA3D_INVALID_ID) {
|
|
if (p_val)
|
|
*p_val = NULL;
|
|
if (res_type == vmw_res_context) {
|
|
DRM_ERROR("Illegal context invalid id.\n");
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Fastpath in case of repeated commands referencing the same
|
|
* resource
|
|
*/
|
|
|
|
if (likely(rcache->valid && *id_loc == rcache->handle)) {
|
|
const struct vmw_resource *res = rcache->res;
|
|
|
|
rcache->node->first_usage = false;
|
|
if (p_val)
|
|
*p_val = rcache->node;
|
|
|
|
return vmw_resource_relocation_add
|
|
(&sw_context->res_relocations, res,
|
|
vmw_ptr_diff(sw_context->buf_start, id_loc),
|
|
vmw_res_rel_normal);
|
|
}
|
|
|
|
ret = vmw_user_resource_lookup_handle(dev_priv,
|
|
sw_context->fp->tfile,
|
|
*id_loc,
|
|
converter,
|
|
&res);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Could not find or use resource 0x%08x.\n",
|
|
(unsigned) *id_loc);
|
|
dump_stack();
|
|
return ret;
|
|
}
|
|
|
|
rcache->valid = true;
|
|
rcache->res = res;
|
|
rcache->handle = *id_loc;
|
|
|
|
ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, id_loc,
|
|
res, &node);
|
|
if (unlikely(ret != 0))
|
|
goto out_no_reloc;
|
|
|
|
rcache->node = node;
|
|
if (p_val)
|
|
*p_val = node;
|
|
vmw_resource_unreference(&res);
|
|
return 0;
|
|
|
|
out_no_reloc:
|
|
BUG_ON(sw_context->error_resource != NULL);
|
|
sw_context->error_resource = res;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_rebind_dx_query - Rebind DX query associated with the context
|
|
*
|
|
* @ctx_res: context the query belongs to
|
|
*
|
|
* This function assumes binding_mutex is held.
|
|
*/
|
|
static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
|
|
{
|
|
struct vmw_private *dev_priv = ctx_res->dev_priv;
|
|
struct vmw_dma_buffer *dx_query_mob;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXBindAllQuery body;
|
|
} *cmd;
|
|
|
|
|
|
dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
|
|
|
|
if (!dx_query_mob || dx_query_mob->dx_query_ctx)
|
|
return 0;
|
|
|
|
cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), ctx_res->id);
|
|
|
|
if (cmd == NULL) {
|
|
DRM_ERROR("Failed to rebind queries.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
|
|
cmd->header.size = sizeof(cmd->body);
|
|
cmd->body.cid = ctx_res->id;
|
|
cmd->body.mobid = dx_query_mob->base.mem.start;
|
|
vmw_fifo_commit(dev_priv, sizeof(*cmd));
|
|
|
|
vmw_context_bind_dx_query(ctx_res, dx_query_mob);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_rebind_contexts - Rebind all resources previously bound to
|
|
* referenced contexts.
|
|
*
|
|
* @sw_context: Pointer to the software context.
|
|
*
|
|
* Rebind context binding points that have been scrubbed because of eviction.
|
|
*/
|
|
static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_resource_val_node *val;
|
|
int ret;
|
|
|
|
list_for_each_entry(val, &sw_context->resource_list, head) {
|
|
if (unlikely(!val->staged_bindings))
|
|
break;
|
|
|
|
ret = vmw_binding_rebind_all
|
|
(vmw_context_binding_state(val->res));
|
|
if (unlikely(ret != 0)) {
|
|
if (ret != -ERESTARTSYS)
|
|
DRM_ERROR("Failed to rebind context.\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = vmw_rebind_all_dx_query(val->res);
|
|
if (ret != 0)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_view_bindings_add - Add an array of view bindings to a context
|
|
* binding state tracker.
|
|
*
|
|
* @sw_context: The execbuf state used for this command.
|
|
* @view_type: View type for the bindings.
|
|
* @binding_type: Binding type for the bindings.
|
|
* @shader_slot: The shader slot to user for the bindings.
|
|
* @view_ids: Array of view ids to be bound.
|
|
* @num_views: Number of view ids in @view_ids.
|
|
* @first_slot: The binding slot to be used for the first view id in @view_ids.
|
|
*/
|
|
static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
|
|
enum vmw_view_type view_type,
|
|
enum vmw_ctx_binding_type binding_type,
|
|
uint32 shader_slot,
|
|
uint32 view_ids[], u32 num_views,
|
|
u32 first_slot)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_cmdbuf_res_manager *man;
|
|
u32 i;
|
|
int ret;
|
|
|
|
if (!ctx_node) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
man = sw_context->man;
|
|
for (i = 0; i < num_views; ++i) {
|
|
struct vmw_ctx_bindinfo_view binding;
|
|
struct vmw_resource *view = NULL;
|
|
|
|
if (view_ids[i] != SVGA3D_INVALID_ID) {
|
|
view = vmw_view_lookup(man, view_type, view_ids[i]);
|
|
if (IS_ERR(view)) {
|
|
DRM_ERROR("View not found.\n");
|
|
return PTR_ERR(view);
|
|
}
|
|
|
|
ret = vmw_view_res_val_add(sw_context, view);
|
|
if (ret) {
|
|
DRM_ERROR("Could not add view to "
|
|
"validation list.\n");
|
|
vmw_resource_unreference(&view);
|
|
return ret;
|
|
}
|
|
}
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = view;
|
|
binding.bi.bt = binding_type;
|
|
binding.shader_slot = shader_slot;
|
|
binding.slot = first_slot + i;
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
shader_slot, binding.slot);
|
|
if (view)
|
|
vmw_resource_unreference(&view);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_cid_check - Check a command header for valid context information.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @sw_context: Pointer to the software context.
|
|
* @header: A command header with an embedded user-space context handle.
|
|
*
|
|
* Convenience function: Call vmw_cmd_res_check with the user-space context
|
|
* handle embedded in @header.
|
|
*/
|
|
static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_cid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
uint32_t cid;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_cid_cmd, header);
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->cid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_sid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSetRenderTarget body;
|
|
} *cmd;
|
|
struct vmw_resource_val_node *ctx_node;
|
|
struct vmw_resource_val_node *res_node;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_sid_cmd, header);
|
|
|
|
if (cmd->body.type >= SVGA3D_RT_MAX) {
|
|
DRM_ERROR("Illegal render target type %u.\n",
|
|
(unsigned) cmd->body.type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->body.cid,
|
|
&ctx_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.target.sid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (dev_priv->has_mob) {
|
|
struct vmw_ctx_bindinfo_view binding;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = res_node ? res_node->res : NULL;
|
|
binding.bi.bt = vmw_ctx_binding_rt;
|
|
binding.slot = cmd->body.type;
|
|
vmw_binding_add(ctx_node->staged_bindings,
|
|
&binding.bi, 0, binding.slot);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_sid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSurfaceCopy body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_sid_cmd, header);
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.src.sid, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.dest.sid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXBufferCopy body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.src, NULL);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.dest, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXPredCopyRegion body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.srcSid, NULL);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.dstSid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_sid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSurfaceStretchBlt body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_sid_cmd, header);
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.src.sid, NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.dest.sid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_sid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBlitSurfaceToScreen body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_sid_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.srcImage.sid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_present_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_sid_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdPresent body;
|
|
} *cmd;
|
|
|
|
|
|
cmd = container_of(header, struct vmw_sid_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter, &cmd->body.sid,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
|
|
*
|
|
* @dev_priv: The device private structure.
|
|
* @new_query_bo: The new buffer holding query results.
|
|
* @sw_context: The software context used for this command submission.
|
|
*
|
|
* This function checks whether @new_query_bo is suitable for holding
|
|
* query results, and if another buffer currently is pinned for query
|
|
* results. If so, the function prepares the state of @sw_context for
|
|
* switching pinned buffers after successful submission of the current
|
|
* command batch.
|
|
*/
|
|
static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *new_query_bo,
|
|
struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_res_cache_entry *ctx_entry =
|
|
&sw_context->res_cache[vmw_res_context];
|
|
int ret;
|
|
|
|
BUG_ON(!ctx_entry->valid);
|
|
sw_context->last_query_ctx = ctx_entry->res;
|
|
|
|
if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
|
|
|
|
if (unlikely(new_query_bo->base.num_pages > 4)) {
|
|
DRM_ERROR("Query buffer too large.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (unlikely(sw_context->cur_query_bo != NULL)) {
|
|
sw_context->needs_post_query_barrier = true;
|
|
ret = vmw_bo_to_validate_list(sw_context,
|
|
sw_context->cur_query_bo,
|
|
dev_priv->has_mob, NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
sw_context->cur_query_bo = new_query_bo;
|
|
|
|
ret = vmw_bo_to_validate_list(sw_context,
|
|
dev_priv->dummy_query_bo,
|
|
dev_priv->has_mob, NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_query_bo_switch_commit - Finalize switching pinned query buffer
|
|
*
|
|
* @dev_priv: The device private structure.
|
|
* @sw_context: The software context used for this command submission batch.
|
|
*
|
|
* This function will check if we're switching query buffers, and will then,
|
|
* issue a dummy occlusion query wait used as a query barrier. When the fence
|
|
* object following that query wait has signaled, we are sure that all
|
|
* preceding queries have finished, and the old query buffer can be unpinned.
|
|
* However, since both the new query buffer and the old one are fenced with
|
|
* that fence, we can do an asynchronus unpin now, and be sure that the
|
|
* old query buffer won't be moved until the fence has signaled.
|
|
*
|
|
* As mentioned above, both the new - and old query buffers need to be fenced
|
|
* using a sequence emitted *after* calling this function.
|
|
*/
|
|
static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context)
|
|
{
|
|
/*
|
|
* The validate list should still hold references to all
|
|
* contexts here.
|
|
*/
|
|
|
|
if (sw_context->needs_post_query_barrier) {
|
|
struct vmw_res_cache_entry *ctx_entry =
|
|
&sw_context->res_cache[vmw_res_context];
|
|
struct vmw_resource *ctx;
|
|
int ret;
|
|
|
|
BUG_ON(!ctx_entry->valid);
|
|
ctx = ctx_entry->res;
|
|
|
|
ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id);
|
|
|
|
if (unlikely(ret != 0))
|
|
DRM_ERROR("Out of fifo space for dummy query.\n");
|
|
}
|
|
|
|
if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
|
|
if (dev_priv->pinned_bo) {
|
|
vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
|
|
vmw_dmabuf_unreference(&dev_priv->pinned_bo);
|
|
}
|
|
|
|
if (!sw_context->needs_post_query_barrier) {
|
|
vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
|
|
|
|
/*
|
|
* We pin also the dummy_query_bo buffer so that we
|
|
* don't need to validate it when emitting
|
|
* dummy queries in context destroy paths.
|
|
*/
|
|
|
|
if (!dev_priv->dummy_query_bo_pinned) {
|
|
vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
|
|
true);
|
|
dev_priv->dummy_query_bo_pinned = true;
|
|
}
|
|
|
|
BUG_ON(sw_context->last_query_ctx == NULL);
|
|
dev_priv->query_cid = sw_context->last_query_ctx->id;
|
|
dev_priv->query_cid_valid = true;
|
|
dev_priv->pinned_bo =
|
|
vmw_dmabuf_reference(sw_context->cur_query_bo);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* vmw_translate_mob_pointer - Prepare to translate a user-space buffer
|
|
* handle to a MOB id.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @sw_context: The software context used for this command batch validation.
|
|
* @id: Pointer to the user-space handle to be translated.
|
|
* @vmw_bo_p: Points to a location that, on successful return will carry
|
|
* a reference-counted pointer to the DMA buffer identified by the
|
|
* user-space handle in @id.
|
|
*
|
|
* This function saves information needed to translate a user-space buffer
|
|
* handle to a MOB id. The translation does not take place immediately, but
|
|
* during a call to vmw_apply_relocations(). This function builds a relocation
|
|
* list and a list of buffers to validate. The former needs to be freed using
|
|
* either vmw_apply_relocations() or vmw_free_relocations(). The latter
|
|
* needs to be freed using vmw_clear_validations.
|
|
*/
|
|
static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGAMobId *id,
|
|
struct vmw_dma_buffer **vmw_bo_p)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo = NULL;
|
|
uint32_t handle = *id;
|
|
struct vmw_relocation *reloc;
|
|
int ret;
|
|
|
|
ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
|
|
NULL);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Could not find or use MOB buffer.\n");
|
|
ret = -EINVAL;
|
|
goto out_no_reloc;
|
|
}
|
|
|
|
if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
|
|
DRM_ERROR("Max number relocations per submission"
|
|
" exceeded\n");
|
|
ret = -EINVAL;
|
|
goto out_no_reloc;
|
|
}
|
|
|
|
reloc = &sw_context->relocs[sw_context->cur_reloc++];
|
|
reloc->mob_loc = id;
|
|
reloc->location = NULL;
|
|
|
|
ret = vmw_bo_to_validate_list(sw_context, vmw_bo, true, &reloc->index);
|
|
if (unlikely(ret != 0))
|
|
goto out_no_reloc;
|
|
|
|
*vmw_bo_p = vmw_bo;
|
|
return 0;
|
|
|
|
out_no_reloc:
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
*vmw_bo_p = NULL;
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_translate_guest_pointer - Prepare to translate a user-space buffer
|
|
* handle to a valid SVGAGuestPtr
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @sw_context: The software context used for this command batch validation.
|
|
* @ptr: Pointer to the user-space handle to be translated.
|
|
* @vmw_bo_p: Points to a location that, on successful return will carry
|
|
* a reference-counted pointer to the DMA buffer identified by the
|
|
* user-space handle in @id.
|
|
*
|
|
* This function saves information needed to translate a user-space buffer
|
|
* handle to a valid SVGAGuestPtr. The translation does not take place
|
|
* immediately, but during a call to vmw_apply_relocations().
|
|
* This function builds a relocation list and a list of buffers to validate.
|
|
* The former needs to be freed using either vmw_apply_relocations() or
|
|
* vmw_free_relocations(). The latter needs to be freed using
|
|
* vmw_clear_validations.
|
|
*/
|
|
static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGAGuestPtr *ptr,
|
|
struct vmw_dma_buffer **vmw_bo_p)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo = NULL;
|
|
uint32_t handle = ptr->gmrId;
|
|
struct vmw_relocation *reloc;
|
|
int ret;
|
|
|
|
ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
|
|
NULL);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Could not find or use GMR region.\n");
|
|
ret = -EINVAL;
|
|
goto out_no_reloc;
|
|
}
|
|
|
|
if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
|
|
DRM_ERROR("Max number relocations per submission"
|
|
" exceeded\n");
|
|
ret = -EINVAL;
|
|
goto out_no_reloc;
|
|
}
|
|
|
|
reloc = &sw_context->relocs[sw_context->cur_reloc++];
|
|
reloc->location = ptr;
|
|
|
|
ret = vmw_bo_to_validate_list(sw_context, vmw_bo, false, &reloc->index);
|
|
if (unlikely(ret != 0))
|
|
goto out_no_reloc;
|
|
|
|
*vmw_bo_p = vmw_bo;
|
|
return 0;
|
|
|
|
out_no_reloc:
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
*vmw_bo_p = NULL;
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* vmw_cmd_dx_define_query - validate a SVGA_3D_CMD_DX_DEFINE_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*
|
|
* This function adds the new query into the query COTABLE
|
|
*/
|
|
static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dx_define_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXDefineQuery q;
|
|
} *cmd;
|
|
|
|
int ret;
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_resource *cotable_res;
|
|
|
|
|
|
if (ctx_node == NULL) {
|
|
DRM_ERROR("DX Context not set for query.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, struct vmw_dx_define_query_cmd, header);
|
|
|
|
if (cmd->q.type < SVGA3D_QUERYTYPE_MIN ||
|
|
cmd->q.type >= SVGA3D_QUERYTYPE_MAX)
|
|
return -EINVAL;
|
|
|
|
cotable_res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXQUERY);
|
|
ret = vmw_cotable_notify(cotable_res, cmd->q.queryId);
|
|
vmw_resource_unreference(&cotable_res);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* vmw_cmd_dx_bind_query - validate a SVGA_3D_CMD_DX_BIND_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*
|
|
* The query bind operation will eventually associate the query ID
|
|
* with its backing MOB. In this function, we take the user mode
|
|
* MOB ID and use vmw_translate_mob_ptr() to translate it to its
|
|
* kernel mode equivalent.
|
|
*/
|
|
static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dx_bind_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXBindQuery q;
|
|
} *cmd;
|
|
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
int ret;
|
|
|
|
|
|
cmd = container_of(header, struct vmw_dx_bind_query_cmd, header);
|
|
|
|
/*
|
|
* Look up the buffer pointed to by q.mobid, put it on the relocation
|
|
* list so its kernel mode MOB ID can be filled in later
|
|
*/
|
|
ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->q.mobid,
|
|
&vmw_bo);
|
|
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
sw_context->dx_query_mob = vmw_bo;
|
|
sw_context->dx_query_ctx = sw_context->dx_ctx_node->res;
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_begin_gb_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBeginGBQuery q;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_begin_gb_query_cmd,
|
|
header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->q.cid,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_begin_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBeginQuery q;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_begin_query_cmd,
|
|
header);
|
|
|
|
if (unlikely(dev_priv->has_mob)) {
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBeginGBQuery q;
|
|
} gb_cmd;
|
|
|
|
BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
|
|
|
|
gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
|
|
gb_cmd.header.size = cmd->header.size;
|
|
gb_cmd.q.cid = cmd->q.cid;
|
|
gb_cmd.q.type = cmd->q.type;
|
|
|
|
memcpy(cmd, &gb_cmd, sizeof(*cmd));
|
|
return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
|
|
}
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->q.cid,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
struct vmw_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdEndGBQuery q;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_query_cmd, header);
|
|
ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_translate_mob_ptr(dev_priv, sw_context,
|
|
&cmd->q.mobid,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_end_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
struct vmw_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdEndQuery q;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_query_cmd, header);
|
|
if (dev_priv->has_mob) {
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdEndGBQuery q;
|
|
} gb_cmd;
|
|
|
|
BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
|
|
|
|
gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
|
|
gb_cmd.header.size = cmd->header.size;
|
|
gb_cmd.q.cid = cmd->q.cid;
|
|
gb_cmd.q.type = cmd->q.type;
|
|
gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
|
|
gb_cmd.q.offset = cmd->q.guestResult.offset;
|
|
|
|
memcpy(cmd, &gb_cmd, sizeof(*cmd));
|
|
return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
|
|
}
|
|
|
|
ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_translate_guest_ptr(dev_priv, sw_context,
|
|
&cmd->q.guestResult,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
struct vmw_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdWaitForGBQuery q;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_query_cmd, header);
|
|
ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_translate_mob_ptr(dev_priv, sw_context,
|
|
&cmd->q.mobid,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context used for this command submission.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
struct vmw_query_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdWaitForQuery q;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_query_cmd, header);
|
|
if (dev_priv->has_mob) {
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdWaitForGBQuery q;
|
|
} gb_cmd;
|
|
|
|
BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
|
|
|
|
gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
|
|
gb_cmd.header.size = cmd->header.size;
|
|
gb_cmd.q.cid = cmd->q.cid;
|
|
gb_cmd.q.type = cmd->q.type;
|
|
gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
|
|
gb_cmd.q.offset = cmd->q.guestResult.offset;
|
|
|
|
memcpy(cmd, &gb_cmd, sizeof(*cmd));
|
|
return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
|
|
}
|
|
|
|
ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_translate_guest_ptr(dev_priv, sw_context,
|
|
&cmd->q.guestResult,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
return 0;
|
|
}
|
|
|
|
static int vmw_cmd_dma(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo = NULL;
|
|
struct vmw_surface *srf = NULL;
|
|
struct vmw_dma_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSurfaceDMA dma;
|
|
} *cmd;
|
|
int ret;
|
|
SVGA3dCmdSurfaceDMASuffix *suffix;
|
|
uint32_t bo_size;
|
|
|
|
cmd = container_of(header, struct vmw_dma_cmd, header);
|
|
suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->dma +
|
|
header->size - sizeof(*suffix));
|
|
|
|
/* Make sure device and verifier stays in sync. */
|
|
if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
|
|
DRM_ERROR("Invalid DMA suffix size.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_translate_guest_ptr(dev_priv, sw_context,
|
|
&cmd->dma.guest.ptr,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
/* Make sure DMA doesn't cross BO boundaries. */
|
|
bo_size = vmw_bo->base.num_pages * PAGE_SIZE;
|
|
if (unlikely(cmd->dma.guest.ptr.offset > bo_size)) {
|
|
DRM_ERROR("Invalid DMA offset.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
bo_size -= cmd->dma.guest.ptr.offset;
|
|
if (unlikely(suffix->maximumOffset > bo_size))
|
|
suffix->maximumOffset = bo_size;
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter, &cmd->dma.host.sid,
|
|
NULL);
|
|
if (unlikely(ret != 0)) {
|
|
if (unlikely(ret != -ERESTARTSYS))
|
|
DRM_ERROR("could not find surface for DMA.\n");
|
|
goto out_no_surface;
|
|
}
|
|
|
|
srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
|
|
|
|
vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base,
|
|
header);
|
|
|
|
out_no_surface:
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
return ret;
|
|
}
|
|
|
|
static int vmw_cmd_draw(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_draw_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDrawPrimitives body;
|
|
} *cmd;
|
|
SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
|
|
(unsigned long)header + sizeof(*cmd));
|
|
SVGA3dPrimitiveRange *range;
|
|
uint32_t i;
|
|
uint32_t maxnum;
|
|
int ret;
|
|
|
|
ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
cmd = container_of(header, struct vmw_draw_cmd, header);
|
|
maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
|
|
|
|
if (unlikely(cmd->body.numVertexDecls > maxnum)) {
|
|
DRM_ERROR("Illegal number of vertex declarations.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&decl->array.surfaceId, NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
|
|
maxnum = (header->size - sizeof(cmd->body) -
|
|
cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
|
|
if (unlikely(cmd->body.numRanges > maxnum)) {
|
|
DRM_ERROR("Illegal number of index ranges.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
range = (SVGA3dPrimitiveRange *) decl;
|
|
for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&range->indexArray.surfaceId, NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_tex_state_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSetTextureState state;
|
|
} *cmd;
|
|
|
|
SVGA3dTextureState *last_state = (SVGA3dTextureState *)
|
|
((unsigned long) header + header->size + sizeof(header));
|
|
SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
|
|
((unsigned long) header + sizeof(struct vmw_tex_state_cmd));
|
|
struct vmw_resource_val_node *ctx_node;
|
|
struct vmw_resource_val_node *res_node;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_tex_state_cmd,
|
|
header);
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->state.cid,
|
|
&ctx_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
for (; cur_state < last_state; ++cur_state) {
|
|
if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
|
|
continue;
|
|
|
|
if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
|
|
DRM_ERROR("Illegal texture/sampler unit %u.\n",
|
|
(unsigned) cur_state->stage);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cur_state->value, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (dev_priv->has_mob) {
|
|
struct vmw_ctx_bindinfo_tex binding;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = res_node ? res_node->res : NULL;
|
|
binding.bi.bt = vmw_ctx_binding_tex;
|
|
binding.texture_stage = cur_state->stage;
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
0, binding.texture_stage);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
void *buf)
|
|
{
|
|
struct vmw_dma_buffer *vmw_bo;
|
|
int ret;
|
|
|
|
struct {
|
|
uint32_t header;
|
|
SVGAFifoCmdDefineGMRFB body;
|
|
} *cmd = buf;
|
|
|
|
ret = vmw_translate_guest_ptr(dev_priv, sw_context,
|
|
&cmd->body.ptr,
|
|
&vmw_bo);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
vmw_dmabuf_unreference(&vmw_bo);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_cmd_res_switch_backup - Utility function to handle backup buffer
|
|
* switching
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @val_node: The validation node representing the resource.
|
|
* @buf_id: Pointer to the user-space backup buffer handle in the command
|
|
* stream.
|
|
* @backup_offset: Offset of backup into MOB.
|
|
*
|
|
* This function prepares for registering a switch of backup buffers
|
|
* in the resource metadata just prior to unreserving. It's basically a wrapper
|
|
* around vmw_cmd_res_switch_backup with a different interface.
|
|
*/
|
|
static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
struct vmw_resource_val_node *val_node,
|
|
uint32_t *buf_id,
|
|
unsigned long backup_offset)
|
|
{
|
|
struct vmw_dma_buffer *dma_buf;
|
|
int ret;
|
|
|
|
ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &dma_buf);
|
|
if (ret)
|
|
return ret;
|
|
|
|
val_node->switching_backup = true;
|
|
if (val_node->first_usage)
|
|
val_node->no_buffer_needed = true;
|
|
|
|
vmw_dmabuf_unreference(&val_node->new_backup);
|
|
val_node->new_backup = dma_buf;
|
|
val_node->new_backup_offset = backup_offset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_cmd_switch_backup - Utility function to handle backup buffer switching
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @res_type: The resource type.
|
|
* @converter: Information about user-space binding for this resource type.
|
|
* @res_id: Pointer to the user-space resource handle in the command stream.
|
|
* @buf_id: Pointer to the user-space backup buffer handle in the command
|
|
* stream.
|
|
* @backup_offset: Offset of backup into MOB.
|
|
*
|
|
* This function prepares for registering a switch of backup buffers
|
|
* in the resource metadata just prior to unreserving. It's basically a wrapper
|
|
* around vmw_cmd_res_switch_backup with a different interface.
|
|
*/
|
|
static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
enum vmw_res_type res_type,
|
|
const struct vmw_user_resource_conv
|
|
*converter,
|
|
uint32_t *res_id,
|
|
uint32_t *buf_id,
|
|
unsigned long backup_offset)
|
|
{
|
|
struct vmw_resource_val_node *val_node;
|
|
int ret;
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
|
|
converter, res_id, &val_node);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return vmw_cmd_res_switch_backup(dev_priv, sw_context, val_node,
|
|
buf_id, backup_offset);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_bind_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBindGBSurface body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_bind_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, &cmd->body.mobid,
|
|
0);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdUpdateGBImage body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.image.sid, NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdUpdateGBSurface body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdReadbackGBImage body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.image.sid, NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdReadbackGBSurface body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdInvalidateGBImage body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.image.sid, NULL);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_invalidate_gb_surface - Validate an
|
|
* SVGA_3D_CMD_INVALIDATE_GB_SURFACE command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_gb_surface_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdInvalidateGBSurface body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_shader_define_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDefineShader body;
|
|
} *cmd;
|
|
int ret;
|
|
size_t size;
|
|
struct vmw_resource_val_node *val;
|
|
|
|
cmd = container_of(header, struct vmw_shader_define_cmd,
|
|
header);
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->body.cid,
|
|
&val);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (unlikely(!dev_priv->has_mob))
|
|
return 0;
|
|
|
|
size = cmd->header.size - sizeof(cmd->body);
|
|
ret = vmw_compat_shader_add(dev_priv,
|
|
vmw_context_res_man(val->res),
|
|
cmd->body.shid, cmd + 1,
|
|
cmd->body.type, size,
|
|
&sw_context->staged_cmd_res);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
return vmw_resource_relocation_add(&sw_context->res_relocations,
|
|
NULL,
|
|
vmw_ptr_diff(sw_context->buf_start,
|
|
&cmd->header.id),
|
|
vmw_res_rel_nop);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_shader_destroy_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDestroyShader body;
|
|
} *cmd;
|
|
int ret;
|
|
struct vmw_resource_val_node *val;
|
|
|
|
cmd = container_of(header, struct vmw_shader_destroy_cmd,
|
|
header);
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->body.cid,
|
|
&val);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (unlikely(!dev_priv->has_mob))
|
|
return 0;
|
|
|
|
ret = vmw_shader_remove(vmw_context_res_man(val->res),
|
|
cmd->body.shid,
|
|
cmd->body.type,
|
|
&sw_context->staged_cmd_res);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
return vmw_resource_relocation_add(&sw_context->res_relocations,
|
|
NULL,
|
|
vmw_ptr_diff(sw_context->buf_start,
|
|
&cmd->header.id),
|
|
vmw_res_rel_nop);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_set_shader_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSetShader body;
|
|
} *cmd;
|
|
struct vmw_resource_val_node *ctx_node, *res_node = NULL;
|
|
struct vmw_ctx_bindinfo_shader binding;
|
|
struct vmw_resource *res = NULL;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_set_shader_cmd,
|
|
header);
|
|
|
|
if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
|
|
DRM_ERROR("Illegal shader type %u.\n",
|
|
(unsigned) cmd->body.type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->body.cid,
|
|
&ctx_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (!dev_priv->has_mob)
|
|
return 0;
|
|
|
|
if (cmd->body.shid != SVGA3D_INVALID_ID) {
|
|
res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
|
|
cmd->body.shid,
|
|
cmd->body.type);
|
|
|
|
if (!IS_ERR(res)) {
|
|
ret = vmw_cmd_res_reloc_add(dev_priv, sw_context,
|
|
&cmd->body.shid, res,
|
|
&res_node);
|
|
vmw_resource_unreference(&res);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (!res_node) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context,
|
|
vmw_res_shader,
|
|
user_shader_converter,
|
|
&cmd->body.shid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = res_node ? res_node->res : NULL;
|
|
binding.bi.bt = vmw_ctx_binding_shader;
|
|
binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
binding.shader_slot, 0);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_set_shader_const_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdSetShaderConst body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
cmd = container_of(header, struct vmw_set_shader_const_cmd,
|
|
header);
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter, &cmd->body.cid,
|
|
NULL);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
if (dev_priv->has_mob)
|
|
header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_bind_gb_shader_cmd {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdBindGBShader body;
|
|
} *cmd;
|
|
|
|
cmd = container_of(header, struct vmw_bind_gb_shader_cmd,
|
|
header);
|
|
|
|
return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
|
|
user_shader_converter,
|
|
&cmd->body.shid, &cmd->body.mobid,
|
|
cmd->body.offsetInBytes);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_single_constant_buffer - Validate an
|
|
* SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int
|
|
vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetSingleConstantBuffer body;
|
|
} *cmd;
|
|
struct vmw_resource_val_node *res_node = NULL;
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_ctx_bindinfo_cb binding;
|
|
int ret;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = res_node ? res_node->res : NULL;
|
|
binding.bi.bt = vmw_ctx_binding_cb;
|
|
binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
|
|
binding.offset = cmd->body.offsetInBytes;
|
|
binding.size = cmd->body.sizeInBytes;
|
|
binding.slot = cmd->body.slot;
|
|
|
|
if (binding.shader_slot >= SVGA3D_NUM_SHADERTYPE_DX10 ||
|
|
binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
|
|
DRM_ERROR("Illegal const buffer shader %u slot %u.\n",
|
|
(unsigned) cmd->body.type,
|
|
(unsigned) binding.slot);
|
|
return -EINVAL;
|
|
}
|
|
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
binding.shader_slot, binding.slot);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_shader_res - Validate an
|
|
* SVGA_3D_CMD_DX_SET_SHADER_RESOURCES command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetShaderResources body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
|
|
sizeof(SVGA3dShaderResourceViewId);
|
|
|
|
if ((u64) cmd->body.startView + (u64) num_sr_view >
|
|
(u64) SVGA3D_DX_MAX_SRVIEWS ||
|
|
cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
|
|
DRM_ERROR("Invalid shader binding.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return vmw_view_bindings_add(sw_context, vmw_view_sr,
|
|
vmw_ctx_binding_sr,
|
|
cmd->body.type - SVGA3D_SHADERTYPE_MIN,
|
|
(void *) &cmd[1], num_sr_view,
|
|
cmd->body.startView);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_shader - Validate an SVGA_3D_CMD_DX_SET_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetShader body;
|
|
} *cmd;
|
|
struct vmw_resource *res = NULL;
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_ctx_bindinfo_shader binding;
|
|
int ret = 0;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
|
|
if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX ||
|
|
cmd->body.type < SVGA3D_SHADERTYPE_MIN) {
|
|
DRM_ERROR("Illegal shader type %u.\n",
|
|
(unsigned) cmd->body.type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
|
|
res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
|
|
if (IS_ERR(res)) {
|
|
DRM_ERROR("Could not find shader for binding.\n");
|
|
return PTR_ERR(res);
|
|
}
|
|
|
|
ret = vmw_resource_val_add(sw_context, res, NULL);
|
|
if (ret)
|
|
goto out_unref;
|
|
}
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = res;
|
|
binding.bi.bt = vmw_ctx_binding_dx_shader;
|
|
binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
|
|
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
binding.shader_slot, 0);
|
|
out_unref:
|
|
if (res)
|
|
vmw_resource_unreference(&res);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_vertex_buffers - Validates an
|
|
* SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_ctx_bindinfo_vb binding;
|
|
struct vmw_resource_val_node *res_node;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetVertexBuffers body;
|
|
SVGA3dVertexBuffer buf[];
|
|
} *cmd;
|
|
int i, ret, num;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
num = (cmd->header.size - sizeof(cmd->body)) /
|
|
sizeof(SVGA3dVertexBuffer);
|
|
if ((u64)num + (u64)cmd->body.startBuffer >
|
|
(u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
|
|
DRM_ERROR("Invalid number of vertex buffers.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < num; i++) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->buf[i].sid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.bt = vmw_ctx_binding_vb;
|
|
binding.bi.res = ((res_node) ? res_node->res : NULL);
|
|
binding.offset = cmd->buf[i].offset;
|
|
binding.stride = cmd->buf[i].stride;
|
|
binding.slot = i + cmd->body.startBuffer;
|
|
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
0, binding.slot);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_ia_set_vertex_buffers - Validate an
|
|
* SVGA_3D_CMD_DX_IA_SET_VERTEX_BUFFERS command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_ctx_bindinfo_ib binding;
|
|
struct vmw_resource_val_node *res_node;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetIndexBuffer body;
|
|
} *cmd;
|
|
int ret;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.sid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = ((res_node) ? res_node->res : NULL);
|
|
binding.bi.bt = vmw_ctx_binding_ib;
|
|
binding.offset = cmd->body.offset;
|
|
binding.format = cmd->body.format;
|
|
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi, 0, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_rendertarget - Validate an
|
|
* SVGA_3D_CMD_DX_SET_RENDERTARGETS command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetRenderTargets body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
int ret;
|
|
u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
|
|
sizeof(SVGA3dRenderTargetViewId);
|
|
|
|
if (num_rt_view > SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS) {
|
|
DRM_ERROR("Invalid DX Rendertarget binding.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_view_bindings_add(sw_context, vmw_view_ds,
|
|
vmw_ctx_binding_ds, 0,
|
|
&cmd->body.depthStencilViewId, 1, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return vmw_view_bindings_add(sw_context, vmw_view_rt,
|
|
vmw_ctx_binding_dx_rt, 0,
|
|
(void *)&cmd[1], num_rt_view, 0);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_clear_rendertarget_view - Validate an
|
|
* SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXClearRenderTargetView body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
|
|
return vmw_view_id_val_add(sw_context, vmw_view_rt,
|
|
cmd->body.renderTargetViewId);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_clear_rendertarget_view - Validate an
|
|
* SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXClearDepthStencilView body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
|
|
return vmw_view_id_val_add(sw_context, vmw_view_ds,
|
|
cmd->body.depthStencilViewId);
|
|
}
|
|
|
|
static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_resource_val_node *srf_node;
|
|
struct vmw_resource *res;
|
|
enum vmw_view_type view_type;
|
|
int ret;
|
|
/*
|
|
* This is based on the fact that all affected define commands have
|
|
* the same initial command body layout.
|
|
*/
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
uint32 defined_id;
|
|
uint32 sid;
|
|
} *cmd;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
view_type = vmw_view_cmd_to_type(header->id);
|
|
if (view_type == vmw_view_max)
|
|
return -EINVAL;
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
|
|
DRM_ERROR("Invalid surface id.\n");
|
|
return -EINVAL;
|
|
}
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->sid, &srf_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
res = vmw_context_cotable(ctx_node->res, vmw_view_cotables[view_type]);
|
|
ret = vmw_cotable_notify(res, cmd->defined_id);
|
|
vmw_resource_unreference(&res);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
return vmw_view_add(sw_context->man,
|
|
ctx_node->res,
|
|
srf_node->res,
|
|
view_type,
|
|
cmd->defined_id,
|
|
header,
|
|
header->size + sizeof(*header),
|
|
&sw_context->staged_cmd_res);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_set_so_targets - Validate an
|
|
* SVGA_3D_CMD_DX_SET_SOTARGETS command.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_ctx_bindinfo_so binding;
|
|
struct vmw_resource_val_node *res_node;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXSetSOTargets body;
|
|
SVGA3dSoTarget targets[];
|
|
} *cmd;
|
|
int i, ret, num;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
num = (cmd->header.size - sizeof(cmd->body)) /
|
|
sizeof(SVGA3dSoTarget);
|
|
|
|
if (num > SVGA3D_DX_MAX_SOTARGETS) {
|
|
DRM_ERROR("Invalid DX SO binding.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < num; i++) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->targets[i].sid, &res_node);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
binding.bi.ctx = ctx_node->res;
|
|
binding.bi.res = ((res_node) ? res_node->res : NULL);
|
|
binding.bi.bt = vmw_ctx_binding_so,
|
|
binding.offset = cmd->targets[i].offset;
|
|
binding.size = cmd->targets[i].sizeInBytes;
|
|
binding.slot = i;
|
|
|
|
vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
|
|
0, binding.slot);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_resource *res;
|
|
/*
|
|
* This is based on the fact that all affected define commands have
|
|
* the same initial command body layout.
|
|
*/
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
uint32 defined_id;
|
|
} *cmd;
|
|
enum vmw_so_type so_type;
|
|
int ret;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
so_type = vmw_so_cmd_to_type(header->id);
|
|
res = vmw_context_cotable(ctx_node->res, vmw_so_cotables[so_type]);
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
ret = vmw_cotable_notify(res, cmd->defined_id);
|
|
vmw_resource_unreference(&res);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_check_subresource - Validate an
|
|
* SVGA_3D_CMD_DX_[X]_SUBRESOURCE command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
union {
|
|
SVGA3dCmdDXReadbackSubResource r_body;
|
|
SVGA3dCmdDXInvalidateSubResource i_body;
|
|
SVGA3dCmdDXUpdateSubResource u_body;
|
|
SVGA3dSurfaceId sid;
|
|
};
|
|
} *cmd;
|
|
|
|
BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
|
|
offsetof(typeof(*cmd), sid));
|
|
BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
|
|
offsetof(typeof(*cmd), sid));
|
|
BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
|
|
offsetof(typeof(*cmd), sid));
|
|
|
|
cmd = container_of(header, typeof(*cmd), header);
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->sid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
|
|
if (unlikely(ctx_node == NULL)) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_view_remove - validate a view remove command and
|
|
* schedule the view resource for removal.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*
|
|
* Check that the view exists, and if it was not created using this
|
|
* command batch, conditionally make this command a NOP.
|
|
*/
|
|
static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
union vmw_view_destroy body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
|
|
struct vmw_resource *view;
|
|
int ret;
|
|
|
|
if (!ctx_node) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_view_remove(sw_context->man,
|
|
cmd->body.view_id, view_type,
|
|
&sw_context->staged_cmd_res,
|
|
&view);
|
|
if (ret || !view)
|
|
return ret;
|
|
|
|
/*
|
|
* If the view wasn't created during this command batch, it might
|
|
* have been removed due to a context swapout, so add a
|
|
* relocation to conditionally make this command a NOP to avoid
|
|
* device errors.
|
|
*/
|
|
return vmw_resource_relocation_add(&sw_context->res_relocations,
|
|
view,
|
|
vmw_ptr_diff(sw_context->buf_start,
|
|
&cmd->header.id),
|
|
vmw_res_rel_cond_nop);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_define_shader - Validate an SVGA_3D_CMD_DX_DEFINE_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct vmw_resource *res;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXDefineShader body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
int ret;
|
|
|
|
if (!ctx_node) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXSHADER);
|
|
ret = vmw_cotable_notify(res, cmd->body.shaderId);
|
|
vmw_resource_unreference(&res);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return vmw_dx_shader_add(sw_context->man, ctx_node->res,
|
|
cmd->body.shaderId, cmd->body.type,
|
|
&sw_context->staged_cmd_res);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_destroy_shader - Validate an SVGA_3D_CMD_DX_DESTROY_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXDestroyShader body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
int ret;
|
|
|
|
if (!ctx_node) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
|
|
&sw_context->staged_cmd_res);
|
|
if (ret)
|
|
DRM_ERROR("Could not find shader to remove.\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_bind_shader - Validate an SVGA_3D_CMD_DX_BIND_SHADER
|
|
* command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node;
|
|
struct vmw_resource_val_node *res_node;
|
|
struct vmw_resource *res;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXBindShader body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
int ret;
|
|
|
|
if (cmd->body.cid != SVGA3D_INVALID_ID) {
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
|
|
user_context_converter,
|
|
&cmd->body.cid, &ctx_node);
|
|
if (ret)
|
|
return ret;
|
|
} else {
|
|
ctx_node = sw_context->dx_ctx_node;
|
|
if (!ctx_node) {
|
|
DRM_ERROR("DX Context not set.\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
|
|
cmd->body.shid, 0);
|
|
if (IS_ERR(res)) {
|
|
DRM_ERROR("Could not find shader to bind.\n");
|
|
return PTR_ERR(res);
|
|
}
|
|
|
|
ret = vmw_resource_val_add(sw_context, res, &res_node);
|
|
if (ret) {
|
|
DRM_ERROR("Error creating resource validation node.\n");
|
|
goto out_unref;
|
|
}
|
|
|
|
|
|
ret = vmw_cmd_res_switch_backup(dev_priv, sw_context, res_node,
|
|
&cmd->body.mobid,
|
|
cmd->body.offsetInBytes);
|
|
out_unref:
|
|
vmw_resource_unreference(&res);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_genmips - Validate an SVGA_3D_CMD_DX_GENMIPS command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXGenMips body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
|
|
return vmw_view_id_val_add(sw_context, vmw_view_sr,
|
|
cmd->body.shaderResourceViewId);
|
|
}
|
|
|
|
/**
|
|
* vmw_cmd_dx_transfer_from_buffer -
|
|
* Validate an SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @sw_context: The software context being used for this batch.
|
|
* @header: Pointer to the command header in the command stream.
|
|
*/
|
|
static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
SVGA3dCmdHeader *header)
|
|
{
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdDXTransferFromBuffer body;
|
|
} *cmd = container_of(header, typeof(*cmd), header);
|
|
int ret;
|
|
|
|
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.srcSid, NULL);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
|
|
user_surface_converter,
|
|
&cmd->body.destSid, NULL);
|
|
}
|
|
|
|
static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
void *buf, uint32_t *size)
|
|
{
|
|
uint32_t size_remaining = *size;
|
|
uint32_t cmd_id;
|
|
|
|
cmd_id = ((uint32_t *)buf)[0];
|
|
switch (cmd_id) {
|
|
case SVGA_CMD_UPDATE:
|
|
*size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
|
|
break;
|
|
case SVGA_CMD_DEFINE_GMRFB:
|
|
*size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
|
|
break;
|
|
case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
|
|
*size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
|
|
break;
|
|
case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
|
|
*size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (*size > size_remaining) {
|
|
DRM_ERROR("Invalid SVGA command (size mismatch):"
|
|
" %u.\n", cmd_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (unlikely(!sw_context->kernel)) {
|
|
DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id);
|
|
return -EPERM;
|
|
}
|
|
|
|
if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
|
|
return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
|
|
&vmw_cmd_set_render_target_check, true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
|
|
true, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
|
|
&vmw_cmd_blt_surf_screen_check, false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
|
|
&vmw_cmd_update_gb_surface, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
|
|
&vmw_cmd_readback_gb_image, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
|
|
&vmw_cmd_readback_gb_surface, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
|
|
&vmw_cmd_invalidate_gb_image, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
|
|
&vmw_cmd_invalidate_gb_surface, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
|
|
false, false, false),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
|
|
/*
|
|
* DX commands
|
|
*/
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
|
|
false, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
|
|
&vmw_cmd_dx_set_single_constant_buffer, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
|
|
&vmw_cmd_dx_set_shader_res, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
|
|
&vmw_cmd_dx_set_vertex_buffers, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
|
|
&vmw_cmd_dx_set_index_buffer, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
|
|
&vmw_cmd_dx_set_rendertargets, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
|
|
&vmw_cmd_dx_clear_rendertarget_view, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
|
|
&vmw_cmd_dx_clear_depthstencil_view, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
|
|
&vmw_cmd_dx_check_subresource, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
|
|
&vmw_cmd_dx_check_subresource, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
|
|
&vmw_cmd_dx_check_subresource, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
|
|
&vmw_cmd_dx_view_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
|
|
&vmw_cmd_dx_view_remove, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
|
|
&vmw_cmd_dx_view_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
|
|
&vmw_cmd_dx_view_remove, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
|
|
&vmw_cmd_dx_view_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
|
|
&vmw_cmd_dx_view_remove, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
|
|
&vmw_cmd_dx_define_shader, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
|
|
&vmw_cmd_dx_destroy_shader, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
|
|
&vmw_cmd_dx_bind_shader, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
|
|
&vmw_cmd_dx_so_define, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT, &vmw_cmd_dx_cid_check,
|
|
true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
|
|
&vmw_cmd_dx_set_so_targets, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
|
|
&vmw_cmd_dx_cid_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
|
|
&vmw_cmd_buffer_copy_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
|
|
&vmw_cmd_pred_copy_check, true, false, true),
|
|
VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
|
|
&vmw_cmd_dx_transfer_from_buffer,
|
|
true, false, true),
|
|
};
|
|
|
|
static int vmw_cmd_check(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
void *buf, uint32_t *size)
|
|
{
|
|
uint32_t cmd_id;
|
|
uint32_t size_remaining = *size;
|
|
SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
|
|
int ret;
|
|
const struct vmw_cmd_entry *entry;
|
|
bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
|
|
|
|
cmd_id = ((uint32_t *)buf)[0];
|
|
/* Handle any none 3D commands */
|
|
if (unlikely(cmd_id < SVGA_CMD_MAX))
|
|
return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
|
|
|
|
|
|
cmd_id = header->id;
|
|
*size = header->size + sizeof(SVGA3dCmdHeader);
|
|
|
|
cmd_id -= SVGA_3D_CMD_BASE;
|
|
if (unlikely(*size > size_remaining))
|
|
goto out_invalid;
|
|
|
|
if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
|
|
goto out_invalid;
|
|
|
|
entry = &vmw_cmd_entries[cmd_id];
|
|
if (unlikely(!entry->func))
|
|
goto out_invalid;
|
|
|
|
if (unlikely(!entry->user_allow && !sw_context->kernel))
|
|
goto out_privileged;
|
|
|
|
if (unlikely(entry->gb_disable && gb))
|
|
goto out_old;
|
|
|
|
if (unlikely(entry->gb_enable && !gb))
|
|
goto out_new;
|
|
|
|
ret = entry->func(dev_priv, sw_context, header);
|
|
if (unlikely(ret != 0))
|
|
goto out_invalid;
|
|
|
|
return 0;
|
|
out_invalid:
|
|
DRM_ERROR("Invalid SVGA3D command: %d\n",
|
|
cmd_id + SVGA_3D_CMD_BASE);
|
|
return -EINVAL;
|
|
out_privileged:
|
|
DRM_ERROR("Privileged SVGA3D command: %d\n",
|
|
cmd_id + SVGA_3D_CMD_BASE);
|
|
return -EPERM;
|
|
out_old:
|
|
DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n",
|
|
cmd_id + SVGA_3D_CMD_BASE);
|
|
return -EINVAL;
|
|
out_new:
|
|
DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n",
|
|
cmd_id + SVGA_3D_CMD_BASE);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int vmw_cmd_check_all(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
void *buf,
|
|
uint32_t size)
|
|
{
|
|
int32_t cur_size = size;
|
|
int ret;
|
|
|
|
sw_context->buf_start = buf;
|
|
|
|
while (cur_size > 0) {
|
|
size = cur_size;
|
|
ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
buf = (void *)((unsigned long) buf + size);
|
|
cur_size -= size;
|
|
}
|
|
|
|
if (unlikely(cur_size != 0)) {
|
|
DRM_ERROR("Command verifier out of sync.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void vmw_free_relocations(struct vmw_sw_context *sw_context)
|
|
{
|
|
sw_context->cur_reloc = 0;
|
|
}
|
|
|
|
static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
|
|
{
|
|
uint32_t i;
|
|
struct vmw_relocation *reloc;
|
|
struct ttm_validate_buffer *validate;
|
|
struct ttm_buffer_object *bo;
|
|
|
|
for (i = 0; i < sw_context->cur_reloc; ++i) {
|
|
reloc = &sw_context->relocs[i];
|
|
validate = &sw_context->val_bufs[reloc->index].base;
|
|
bo = validate->bo;
|
|
switch (bo->mem.mem_type) {
|
|
case TTM_PL_VRAM:
|
|
reloc->location->offset += bo->offset;
|
|
reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
|
|
break;
|
|
case VMW_PL_GMR:
|
|
reloc->location->gmrId = bo->mem.start;
|
|
break;
|
|
case VMW_PL_MOB:
|
|
*reloc->mob_loc = bo->mem.start;
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
}
|
|
vmw_free_relocations(sw_context);
|
|
}
|
|
|
|
/**
|
|
* vmw_resource_list_unrefererence - Free up a resource list and unreference
|
|
* all resources referenced by it.
|
|
*
|
|
* @list: The resource list.
|
|
*/
|
|
static void vmw_resource_list_unreference(struct vmw_sw_context *sw_context,
|
|
struct list_head *list)
|
|
{
|
|
struct vmw_resource_val_node *val, *val_next;
|
|
|
|
/*
|
|
* Drop references to resources held during command submission.
|
|
*/
|
|
|
|
list_for_each_entry_safe(val, val_next, list, head) {
|
|
list_del_init(&val->head);
|
|
vmw_resource_unreference(&val->res);
|
|
|
|
if (val->staged_bindings) {
|
|
if (val->staged_bindings != sw_context->staged_bindings)
|
|
vmw_binding_state_free(val->staged_bindings);
|
|
else
|
|
sw_context->staged_bindings_inuse = false;
|
|
val->staged_bindings = NULL;
|
|
}
|
|
|
|
kfree(val);
|
|
}
|
|
}
|
|
|
|
static void vmw_clear_validations(struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_validate_buffer *entry, *next;
|
|
struct vmw_resource_val_node *val;
|
|
|
|
/*
|
|
* Drop references to DMA buffers held during command submission.
|
|
*/
|
|
list_for_each_entry_safe(entry, next, &sw_context->validate_nodes,
|
|
base.head) {
|
|
list_del(&entry->base.head);
|
|
ttm_bo_unref(&entry->base.bo);
|
|
(void) drm_ht_remove_item(&sw_context->res_ht, &entry->hash);
|
|
sw_context->cur_val_buf--;
|
|
}
|
|
BUG_ON(sw_context->cur_val_buf != 0);
|
|
|
|
list_for_each_entry(val, &sw_context->resource_list, head)
|
|
(void) drm_ht_remove_item(&sw_context->res_ht, &val->hash);
|
|
}
|
|
|
|
int vmw_validate_single_buffer(struct vmw_private *dev_priv,
|
|
struct ttm_buffer_object *bo,
|
|
bool interruptible,
|
|
bool validate_as_mob)
|
|
{
|
|
struct vmw_dma_buffer *vbo = container_of(bo, struct vmw_dma_buffer,
|
|
base);
|
|
int ret;
|
|
|
|
if (vbo->pin_count > 0)
|
|
return 0;
|
|
|
|
if (validate_as_mob)
|
|
return ttm_bo_validate(bo, &vmw_mob_placement, interruptible,
|
|
false);
|
|
|
|
/**
|
|
* Put BO in VRAM if there is space, otherwise as a GMR.
|
|
* If there is no space in VRAM and GMR ids are all used up,
|
|
* start evicting GMRs to make room. If the DMA buffer can't be
|
|
* used as a GMR, this will return -ENOMEM.
|
|
*/
|
|
|
|
ret = ttm_bo_validate(bo, &vmw_vram_gmr_placement, interruptible,
|
|
false);
|
|
if (likely(ret == 0 || ret == -ERESTARTSYS))
|
|
return ret;
|
|
|
|
/**
|
|
* If that failed, try VRAM again, this time evicting
|
|
* previous contents.
|
|
*/
|
|
|
|
ret = ttm_bo_validate(bo, &vmw_vram_placement, interruptible, false);
|
|
return ret;
|
|
}
|
|
|
|
static int vmw_validate_buffers(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context)
|
|
{
|
|
struct vmw_validate_buffer *entry;
|
|
int ret;
|
|
|
|
list_for_each_entry(entry, &sw_context->validate_nodes, base.head) {
|
|
ret = vmw_validate_single_buffer(dev_priv, entry->base.bo,
|
|
true,
|
|
entry->validate_as_mob);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
|
|
uint32_t size)
|
|
{
|
|
if (likely(sw_context->cmd_bounce_size >= size))
|
|
return 0;
|
|
|
|
if (sw_context->cmd_bounce_size == 0)
|
|
sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
|
|
|
|
while (sw_context->cmd_bounce_size < size) {
|
|
sw_context->cmd_bounce_size =
|
|
PAGE_ALIGN(sw_context->cmd_bounce_size +
|
|
(sw_context->cmd_bounce_size >> 1));
|
|
}
|
|
|
|
vfree(sw_context->cmd_bounce);
|
|
sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
|
|
|
|
if (sw_context->cmd_bounce == NULL) {
|
|
DRM_ERROR("Failed to allocate command bounce buffer.\n");
|
|
sw_context->cmd_bounce_size = 0;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_fence_commands - create and submit a command stream fence
|
|
*
|
|
* Creates a fence object and submits a command stream marker.
|
|
* If this fails for some reason, We sync the fifo and return NULL.
|
|
* It is then safe to fence buffers with a NULL pointer.
|
|
*
|
|
* If @p_handle is not NULL @file_priv must also not be NULL. Creates
|
|
* a userspace handle if @p_handle is not NULL, otherwise not.
|
|
*/
|
|
|
|
int vmw_execbuf_fence_commands(struct drm_file *file_priv,
|
|
struct vmw_private *dev_priv,
|
|
struct vmw_fence_obj **p_fence,
|
|
uint32_t *p_handle)
|
|
{
|
|
uint32_t sequence;
|
|
int ret;
|
|
bool synced = false;
|
|
|
|
/* p_handle implies file_priv. */
|
|
BUG_ON(p_handle != NULL && file_priv == NULL);
|
|
|
|
ret = vmw_fifo_send_fence(dev_priv, &sequence);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Fence submission error. Syncing.\n");
|
|
synced = true;
|
|
}
|
|
|
|
if (p_handle != NULL)
|
|
ret = vmw_user_fence_create(file_priv, dev_priv->fman,
|
|
sequence, p_fence, p_handle);
|
|
else
|
|
ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
|
|
|
|
if (unlikely(ret != 0 && !synced)) {
|
|
(void) vmw_fallback_wait(dev_priv, false, false,
|
|
sequence, false,
|
|
VMW_FENCE_WAIT_TIMEOUT);
|
|
*p_fence = NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_copy_fence_user - copy fence object information to
|
|
* user-space.
|
|
*
|
|
* @dev_priv: Pointer to a vmw_private struct.
|
|
* @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
|
|
* @ret: Return value from fence object creation.
|
|
* @user_fence_rep: User space address of a struct drm_vmw_fence_rep to
|
|
* which the information should be copied.
|
|
* @fence: Pointer to the fenc object.
|
|
* @fence_handle: User-space fence handle.
|
|
*
|
|
* This function copies fence information to user-space. If copying fails,
|
|
* The user-space struct drm_vmw_fence_rep::error member is hopefully
|
|
* left untouched, and if it's preloaded with an -EFAULT by user-space,
|
|
* the error will hopefully be detected.
|
|
* Also if copying fails, user-space will be unable to signal the fence
|
|
* object so we wait for it immediately, and then unreference the
|
|
* user-space reference.
|
|
*/
|
|
void
|
|
vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
|
|
struct vmw_fpriv *vmw_fp,
|
|
int ret,
|
|
struct drm_vmw_fence_rep __user *user_fence_rep,
|
|
struct vmw_fence_obj *fence,
|
|
uint32_t fence_handle)
|
|
{
|
|
struct drm_vmw_fence_rep fence_rep;
|
|
|
|
if (user_fence_rep == NULL)
|
|
return;
|
|
|
|
memset(&fence_rep, 0, sizeof(fence_rep));
|
|
|
|
fence_rep.error = ret;
|
|
if (ret == 0) {
|
|
BUG_ON(fence == NULL);
|
|
|
|
fence_rep.handle = fence_handle;
|
|
fence_rep.seqno = fence->base.seqno;
|
|
vmw_update_seqno(dev_priv, &dev_priv->fifo);
|
|
fence_rep.passed_seqno = dev_priv->last_read_seqno;
|
|
}
|
|
|
|
/*
|
|
* copy_to_user errors will be detected by user space not
|
|
* seeing fence_rep::error filled in. Typically
|
|
* user-space would have pre-set that member to -EFAULT.
|
|
*/
|
|
ret = copy_to_user(user_fence_rep, &fence_rep,
|
|
sizeof(fence_rep));
|
|
|
|
/*
|
|
* User-space lost the fence object. We need to sync
|
|
* and unreference the handle.
|
|
*/
|
|
if (unlikely(ret != 0) && (fence_rep.error == 0)) {
|
|
ttm_ref_object_base_unref(vmw_fp->tfile,
|
|
fence_handle, TTM_REF_USAGE);
|
|
DRM_ERROR("Fence copy error. Syncing.\n");
|
|
(void) vmw_fence_obj_wait(fence, false, false,
|
|
VMW_FENCE_WAIT_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_submit_fifo - Patch a command batch and submit it using
|
|
* the fifo.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @kernel_commands: Pointer to the unpatched command batch.
|
|
* @command_size: Size of the unpatched command batch.
|
|
* @sw_context: Structure holding the relocation lists.
|
|
*
|
|
* Side effects: If this function returns 0, then the command batch
|
|
* pointed to by @kernel_commands will have been modified.
|
|
*/
|
|
static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
|
|
void *kernel_commands,
|
|
u32 command_size,
|
|
struct vmw_sw_context *sw_context)
|
|
{
|
|
void *cmd;
|
|
|
|
if (sw_context->dx_ctx_node)
|
|
cmd = vmw_fifo_reserve_dx(dev_priv, command_size,
|
|
sw_context->dx_ctx_node->res->id);
|
|
else
|
|
cmd = vmw_fifo_reserve(dev_priv, command_size);
|
|
if (!cmd) {
|
|
DRM_ERROR("Failed reserving fifo space for commands.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
vmw_apply_relocations(sw_context);
|
|
memcpy(cmd, kernel_commands, command_size);
|
|
vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
|
|
vmw_resource_relocations_free(&sw_context->res_relocations);
|
|
vmw_fifo_commit(dev_priv, command_size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using
|
|
* the command buffer manager.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @header: Opaque handle to the command buffer allocation.
|
|
* @command_size: Size of the unpatched command batch.
|
|
* @sw_context: Structure holding the relocation lists.
|
|
*
|
|
* Side effects: If this function returns 0, then the command buffer
|
|
* represented by @header will have been modified.
|
|
*/
|
|
static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
|
|
struct vmw_cmdbuf_header *header,
|
|
u32 command_size,
|
|
struct vmw_sw_context *sw_context)
|
|
{
|
|
u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->res->id :
|
|
SVGA3D_INVALID_ID);
|
|
void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size,
|
|
id, false, header);
|
|
|
|
vmw_apply_relocations(sw_context);
|
|
vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
|
|
vmw_resource_relocations_free(&sw_context->res_relocations);
|
|
vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
|
|
* submission using a command buffer.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @user_commands: User-space pointer to the commands to be submitted.
|
|
* @command_size: Size of the unpatched command batch.
|
|
* @header: Out parameter returning the opaque pointer to the command buffer.
|
|
*
|
|
* This function checks whether we can use the command buffer manager for
|
|
* submission and if so, creates a command buffer of suitable size and
|
|
* copies the user data into that buffer.
|
|
*
|
|
* On successful return, the function returns a pointer to the data in the
|
|
* command buffer and *@header is set to non-NULL.
|
|
* If command buffers could not be used, the function will return the value
|
|
* of @kernel_commands on function call. That value may be NULL. In that case,
|
|
* the value of *@header will be set to NULL.
|
|
* If an error is encountered, the function will return a pointer error value.
|
|
* If the function is interrupted by a signal while sleeping, it will return
|
|
* -ERESTARTSYS casted to a pointer error value.
|
|
*/
|
|
static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
|
|
void __user *user_commands,
|
|
void *kernel_commands,
|
|
u32 command_size,
|
|
struct vmw_cmdbuf_header **header)
|
|
{
|
|
size_t cmdbuf_size;
|
|
int ret;
|
|
|
|
*header = NULL;
|
|
if (command_size > SVGA_CB_MAX_SIZE) {
|
|
DRM_ERROR("Command buffer is too large.\n");
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
if (!dev_priv->cman || kernel_commands)
|
|
return kernel_commands;
|
|
|
|
/* If possible, add a little space for fencing. */
|
|
cmdbuf_size = command_size + 512;
|
|
cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
|
|
kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size,
|
|
true, header);
|
|
if (IS_ERR(kernel_commands))
|
|
return kernel_commands;
|
|
|
|
ret = copy_from_user(kernel_commands, user_commands,
|
|
command_size);
|
|
if (ret) {
|
|
DRM_ERROR("Failed copying commands.\n");
|
|
vmw_cmdbuf_header_free(*header);
|
|
*header = NULL;
|
|
return ERR_PTR(-EFAULT);
|
|
}
|
|
|
|
return kernel_commands;
|
|
}
|
|
|
|
static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
|
|
struct vmw_sw_context *sw_context,
|
|
uint32_t handle)
|
|
{
|
|
struct vmw_resource_val_node *ctx_node;
|
|
struct vmw_resource *res;
|
|
int ret;
|
|
|
|
if (handle == SVGA3D_INVALID_ID)
|
|
return 0;
|
|
|
|
ret = vmw_user_resource_lookup_handle(dev_priv, sw_context->fp->tfile,
|
|
handle, user_context_converter,
|
|
&res);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Could not find or user DX context 0x%08x.\n",
|
|
(unsigned) handle);
|
|
return ret;
|
|
}
|
|
|
|
ret = vmw_resource_val_add(sw_context, res, &ctx_node);
|
|
if (unlikely(ret != 0))
|
|
goto out_err;
|
|
|
|
sw_context->dx_ctx_node = ctx_node;
|
|
sw_context->man = vmw_context_res_man(res);
|
|
out_err:
|
|
vmw_resource_unreference(&res);
|
|
return ret;
|
|
}
|
|
|
|
int vmw_execbuf_process(struct drm_file *file_priv,
|
|
struct vmw_private *dev_priv,
|
|
void __user *user_commands,
|
|
void *kernel_commands,
|
|
uint32_t command_size,
|
|
uint64_t throttle_us,
|
|
uint32_t dx_context_handle,
|
|
struct drm_vmw_fence_rep __user *user_fence_rep,
|
|
struct vmw_fence_obj **out_fence)
|
|
{
|
|
struct vmw_sw_context *sw_context = &dev_priv->ctx;
|
|
struct vmw_fence_obj *fence = NULL;
|
|
struct vmw_resource *error_resource;
|
|
struct list_head resource_list;
|
|
struct vmw_cmdbuf_header *header;
|
|
struct ww_acquire_ctx ticket;
|
|
uint32_t handle;
|
|
int ret;
|
|
|
|
if (throttle_us) {
|
|
ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue,
|
|
throttle_us);
|
|
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
|
|
kernel_commands, command_size,
|
|
&header);
|
|
if (IS_ERR(kernel_commands))
|
|
return PTR_ERR(kernel_commands);
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
|
|
if (ret) {
|
|
ret = -ERESTARTSYS;
|
|
goto out_free_header;
|
|
}
|
|
|
|
sw_context->kernel = false;
|
|
if (kernel_commands == NULL) {
|
|
ret = vmw_resize_cmd_bounce(sw_context, command_size);
|
|
if (unlikely(ret != 0))
|
|
goto out_unlock;
|
|
|
|
|
|
ret = copy_from_user(sw_context->cmd_bounce,
|
|
user_commands, command_size);
|
|
|
|
if (unlikely(ret != 0)) {
|
|
ret = -EFAULT;
|
|
DRM_ERROR("Failed copying commands.\n");
|
|
goto out_unlock;
|
|
}
|
|
kernel_commands = sw_context->cmd_bounce;
|
|
} else if (!header)
|
|
sw_context->kernel = true;
|
|
|
|
sw_context->fp = vmw_fpriv(file_priv);
|
|
sw_context->cur_reloc = 0;
|
|
sw_context->cur_val_buf = 0;
|
|
INIT_LIST_HEAD(&sw_context->resource_list);
|
|
INIT_LIST_HEAD(&sw_context->ctx_resource_list);
|
|
sw_context->cur_query_bo = dev_priv->pinned_bo;
|
|
sw_context->last_query_ctx = NULL;
|
|
sw_context->needs_post_query_barrier = false;
|
|
sw_context->dx_ctx_node = NULL;
|
|
sw_context->dx_query_mob = NULL;
|
|
sw_context->dx_query_ctx = NULL;
|
|
memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
|
|
INIT_LIST_HEAD(&sw_context->validate_nodes);
|
|
INIT_LIST_HEAD(&sw_context->res_relocations);
|
|
if (sw_context->staged_bindings)
|
|
vmw_binding_state_reset(sw_context->staged_bindings);
|
|
|
|
if (!sw_context->res_ht_initialized) {
|
|
ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER);
|
|
if (unlikely(ret != 0))
|
|
goto out_unlock;
|
|
sw_context->res_ht_initialized = true;
|
|
}
|
|
INIT_LIST_HEAD(&sw_context->staged_cmd_res);
|
|
INIT_LIST_HEAD(&resource_list);
|
|
ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
|
|
if (unlikely(ret != 0)) {
|
|
list_splice_init(&sw_context->ctx_resource_list,
|
|
&sw_context->resource_list);
|
|
goto out_err_nores;
|
|
}
|
|
|
|
ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
|
|
command_size);
|
|
/*
|
|
* Merge the resource lists before checking the return status
|
|
* from vmd_cmd_check_all so that all the open hashtabs will
|
|
* be handled properly even if vmw_cmd_check_all fails.
|
|
*/
|
|
list_splice_init(&sw_context->ctx_resource_list,
|
|
&sw_context->resource_list);
|
|
|
|
if (unlikely(ret != 0))
|
|
goto out_err_nores;
|
|
|
|
ret = vmw_resources_reserve(sw_context);
|
|
if (unlikely(ret != 0))
|
|
goto out_err_nores;
|
|
|
|
ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes,
|
|
true, NULL);
|
|
if (unlikely(ret != 0))
|
|
goto out_err_nores;
|
|
|
|
ret = vmw_validate_buffers(dev_priv, sw_context);
|
|
if (unlikely(ret != 0))
|
|
goto out_err;
|
|
|
|
ret = vmw_resources_validate(sw_context);
|
|
if (unlikely(ret != 0))
|
|
goto out_err;
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
|
|
if (unlikely(ret != 0)) {
|
|
ret = -ERESTARTSYS;
|
|
goto out_err;
|
|
}
|
|
|
|
if (dev_priv->has_mob) {
|
|
ret = vmw_rebind_contexts(sw_context);
|
|
if (unlikely(ret != 0))
|
|
goto out_unlock_binding;
|
|
}
|
|
|
|
if (!header) {
|
|
ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
|
|
command_size, sw_context);
|
|
} else {
|
|
ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
|
|
sw_context);
|
|
header = NULL;
|
|
}
|
|
mutex_unlock(&dev_priv->binding_mutex);
|
|
if (ret)
|
|
goto out_err;
|
|
|
|
vmw_query_bo_switch_commit(dev_priv, sw_context);
|
|
ret = vmw_execbuf_fence_commands(file_priv, dev_priv,
|
|
&fence,
|
|
(user_fence_rep) ? &handle : NULL);
|
|
/*
|
|
* This error is harmless, because if fence submission fails,
|
|
* vmw_fifo_send_fence will sync. The error will be propagated to
|
|
* user-space in @fence_rep
|
|
*/
|
|
|
|
if (ret != 0)
|
|
DRM_ERROR("Fence submission error. Syncing.\n");
|
|
|
|
vmw_resources_unreserve(sw_context, false);
|
|
|
|
ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes,
|
|
(void *) fence);
|
|
|
|
if (unlikely(dev_priv->pinned_bo != NULL &&
|
|
!dev_priv->query_cid_valid))
|
|
__vmw_execbuf_release_pinned_bo(dev_priv, fence);
|
|
|
|
vmw_clear_validations(sw_context);
|
|
vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
|
|
user_fence_rep, fence, handle);
|
|
|
|
/* Don't unreference when handing fence out */
|
|
if (unlikely(out_fence != NULL)) {
|
|
*out_fence = fence;
|
|
fence = NULL;
|
|
} else if (likely(fence != NULL)) {
|
|
vmw_fence_obj_unreference(&fence);
|
|
}
|
|
|
|
list_splice_init(&sw_context->resource_list, &resource_list);
|
|
vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
|
|
mutex_unlock(&dev_priv->cmdbuf_mutex);
|
|
|
|
/*
|
|
* Unreference resources outside of the cmdbuf_mutex to
|
|
* avoid deadlocks in resource destruction paths.
|
|
*/
|
|
vmw_resource_list_unreference(sw_context, &resource_list);
|
|
|
|
return 0;
|
|
|
|
out_unlock_binding:
|
|
mutex_unlock(&dev_priv->binding_mutex);
|
|
out_err:
|
|
ttm_eu_backoff_reservation(&ticket, &sw_context->validate_nodes);
|
|
out_err_nores:
|
|
vmw_resources_unreserve(sw_context, true);
|
|
vmw_resource_relocations_free(&sw_context->res_relocations);
|
|
vmw_free_relocations(sw_context);
|
|
vmw_clear_validations(sw_context);
|
|
if (unlikely(dev_priv->pinned_bo != NULL &&
|
|
!dev_priv->query_cid_valid))
|
|
__vmw_execbuf_release_pinned_bo(dev_priv, NULL);
|
|
out_unlock:
|
|
list_splice_init(&sw_context->resource_list, &resource_list);
|
|
error_resource = sw_context->error_resource;
|
|
sw_context->error_resource = NULL;
|
|
vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
|
|
mutex_unlock(&dev_priv->cmdbuf_mutex);
|
|
|
|
/*
|
|
* Unreference resources outside of the cmdbuf_mutex to
|
|
* avoid deadlocks in resource destruction paths.
|
|
*/
|
|
vmw_resource_list_unreference(sw_context, &resource_list);
|
|
if (unlikely(error_resource != NULL))
|
|
vmw_resource_unreference(&error_resource);
|
|
out_free_header:
|
|
if (header)
|
|
vmw_cmdbuf_header_free(header);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
|
|
*
|
|
* @dev_priv: The device private structure.
|
|
*
|
|
* This function is called to idle the fifo and unpin the query buffer
|
|
* if the normal way to do this hits an error, which should typically be
|
|
* extremely rare.
|
|
*/
|
|
static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
|
|
{
|
|
DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
|
|
|
|
(void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
|
|
vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
|
|
if (dev_priv->dummy_query_bo_pinned) {
|
|
vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
|
|
dev_priv->dummy_query_bo_pinned = false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
|
|
* query bo.
|
|
*
|
|
* @dev_priv: The device private structure.
|
|
* @fence: If non-NULL should point to a struct vmw_fence_obj issued
|
|
* _after_ a query barrier that flushes all queries touching the current
|
|
* buffer pointed to by @dev_priv->pinned_bo
|
|
*
|
|
* This function should be used to unpin the pinned query bo, or
|
|
* as a query barrier when we need to make sure that all queries have
|
|
* finished before the next fifo command. (For example on hardware
|
|
* context destructions where the hardware may otherwise leak unfinished
|
|
* queries).
|
|
*
|
|
* This function does not return any failure codes, but make attempts
|
|
* to do safe unpinning in case of errors.
|
|
*
|
|
* The function will synchronize on the previous query barrier, and will
|
|
* thus not finish until that barrier has executed.
|
|
*
|
|
* the @dev_priv->cmdbuf_mutex needs to be held by the current thread
|
|
* before calling this function.
|
|
*/
|
|
void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
|
|
struct vmw_fence_obj *fence)
|
|
{
|
|
int ret = 0;
|
|
struct list_head validate_list;
|
|
struct ttm_validate_buffer pinned_val, query_val;
|
|
struct vmw_fence_obj *lfence = NULL;
|
|
struct ww_acquire_ctx ticket;
|
|
|
|
if (dev_priv->pinned_bo == NULL)
|
|
goto out_unlock;
|
|
|
|
INIT_LIST_HEAD(&validate_list);
|
|
|
|
pinned_val.bo = ttm_bo_reference(&dev_priv->pinned_bo->base);
|
|
pinned_val.shared = false;
|
|
list_add_tail(&pinned_val.head, &validate_list);
|
|
|
|
query_val.bo = ttm_bo_reference(&dev_priv->dummy_query_bo->base);
|
|
query_val.shared = false;
|
|
list_add_tail(&query_val.head, &validate_list);
|
|
|
|
ret = ttm_eu_reserve_buffers(&ticket, &validate_list,
|
|
false, NULL);
|
|
if (unlikely(ret != 0)) {
|
|
vmw_execbuf_unpin_panic(dev_priv);
|
|
goto out_no_reserve;
|
|
}
|
|
|
|
if (dev_priv->query_cid_valid) {
|
|
BUG_ON(fence != NULL);
|
|
ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid);
|
|
if (unlikely(ret != 0)) {
|
|
vmw_execbuf_unpin_panic(dev_priv);
|
|
goto out_no_emit;
|
|
}
|
|
dev_priv->query_cid_valid = false;
|
|
}
|
|
|
|
vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
|
|
if (dev_priv->dummy_query_bo_pinned) {
|
|
vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
|
|
dev_priv->dummy_query_bo_pinned = false;
|
|
}
|
|
if (fence == NULL) {
|
|
(void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
|
|
NULL);
|
|
fence = lfence;
|
|
}
|
|
ttm_eu_fence_buffer_objects(&ticket, &validate_list, (void *) fence);
|
|
if (lfence != NULL)
|
|
vmw_fence_obj_unreference(&lfence);
|
|
|
|
ttm_bo_unref(&query_val.bo);
|
|
ttm_bo_unref(&pinned_val.bo);
|
|
vmw_dmabuf_unreference(&dev_priv->pinned_bo);
|
|
out_unlock:
|
|
return;
|
|
|
|
out_no_emit:
|
|
ttm_eu_backoff_reservation(&ticket, &validate_list);
|
|
out_no_reserve:
|
|
ttm_bo_unref(&query_val.bo);
|
|
ttm_bo_unref(&pinned_val.bo);
|
|
vmw_dmabuf_unreference(&dev_priv->pinned_bo);
|
|
}
|
|
|
|
/**
|
|
* vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
|
|
* query bo.
|
|
*
|
|
* @dev_priv: The device private structure.
|
|
*
|
|
* This function should be used to unpin the pinned query bo, or
|
|
* as a query barrier when we need to make sure that all queries have
|
|
* finished before the next fifo command. (For example on hardware
|
|
* context destructions where the hardware may otherwise leak unfinished
|
|
* queries).
|
|
*
|
|
* This function does not return any failure codes, but make attempts
|
|
* to do safe unpinning in case of errors.
|
|
*
|
|
* The function will synchronize on the previous query barrier, and will
|
|
* thus not finish until that barrier has executed.
|
|
*/
|
|
void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
|
|
{
|
|
mutex_lock(&dev_priv->cmdbuf_mutex);
|
|
if (dev_priv->query_cid_valid)
|
|
__vmw_execbuf_release_pinned_bo(dev_priv, NULL);
|
|
mutex_unlock(&dev_priv->cmdbuf_mutex);
|
|
}
|
|
|
|
int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
|
|
struct drm_file *file_priv, size_t size)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(dev);
|
|
struct drm_vmw_execbuf_arg arg;
|
|
int ret;
|
|
static const size_t copy_offset[] = {
|
|
offsetof(struct drm_vmw_execbuf_arg, context_handle),
|
|
sizeof(struct drm_vmw_execbuf_arg)};
|
|
|
|
if (unlikely(size < copy_offset[0])) {
|
|
DRM_ERROR("Invalid command size, ioctl %d\n",
|
|
DRM_VMW_EXECBUF);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (copy_from_user(&arg, (void __user *) data, copy_offset[0]) != 0)
|
|
return -EFAULT;
|
|
|
|
/*
|
|
* Extend the ioctl argument while
|
|
* maintaining backwards compatibility:
|
|
* We take different code paths depending on the value of
|
|
* arg.version.
|
|
*/
|
|
|
|
if (unlikely(arg.version > DRM_VMW_EXECBUF_VERSION ||
|
|
arg.version == 0)) {
|
|
DRM_ERROR("Incorrect execbuf version.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (arg.version > 1 &&
|
|
copy_from_user(&arg.context_handle,
|
|
(void __user *) (data + copy_offset[0]),
|
|
copy_offset[arg.version - 1] -
|
|
copy_offset[0]) != 0)
|
|
return -EFAULT;
|
|
|
|
switch (arg.version) {
|
|
case 1:
|
|
arg.context_handle = (uint32_t) -1;
|
|
break;
|
|
case 2:
|
|
if (arg.pad64 != 0) {
|
|
DRM_ERROR("Unused IOCTL data not set to zero.\n");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
ret = vmw_execbuf_process(file_priv, dev_priv,
|
|
(void __user *)(unsigned long)arg.commands,
|
|
NULL, arg.command_size, arg.throttle_us,
|
|
arg.context_handle,
|
|
(void __user *)(unsigned long)arg.fence_rep,
|
|
NULL);
|
|
ttm_read_unlock(&dev_priv->reservation_sem);
|
|
if (unlikely(ret != 0))
|
|
return ret;
|
|
|
|
vmw_kms_cursor_post_execbuf(dev_priv);
|
|
|
|
return 0;
|
|
}
|