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// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
* Copyright 2009 - 2015 VMware, Inc., Palo Alto, CA., USA
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <linux/sync_file.h>
#include "vmwgfx_drv.h"
#include "vmwgfx_reg.h"
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_placement.h>
#include "vmwgfx_so.h"
#include "vmwgfx_binding.h"
#include "vmwgfx_mksstat.h"
#define VMW_RES_HT_ORDER 12
/*
* Helper macro to get dx_ctx_node if available otherwise print an error
* message. This is for use in command verifier function where if dx_ctx_node
* is not set then command is invalid.
*/
#define VMW_GET_CTX_NODE(__sw_context) \
({ \
__sw_context->dx_ctx_node ? __sw_context->dx_ctx_node : ({ \
VMW_DEBUG_USER("SM context is not set at %s\n", __func__); \
__sw_context->dx_ctx_node; \
}); \
})
#define VMW_DECLARE_CMD_VAR(__var, __type) \
struct { \
SVGA3dCmdHeader header; \
__type body; \
} __var
/**
* struct vmw_relocation - Buffer object relocation
*
* @head: List head for the command submission context's relocation list
* @vbo: Non ref-counted pointer to buffer object
* @mob_loc: Pointer to location for mob id to be modified
* @location: Pointer to location for guest pointer to be modified
*/
struct vmw_relocation {
struct list_head head;
struct vmw_buffer_object *vbo;
union {
SVGAMobId *mob_loc;
SVGAGuestPtr *location;
};
};
/**
* enum vmw_resource_relocation_type - Relocation type for resources
*
* @vmw_res_rel_normal: Traditional relocation. The resource id in the
* command stream is replaced with the actual id after validation.
* @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
* with a NOP.
* @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after
* validation is -1, the command is replaced with a NOP. Otherwise no action.
* @vmw_res_rel_max: Last value in the enum - used for error checking
*/
enum vmw_resource_relocation_type {
vmw_res_rel_normal,
vmw_res_rel_nop,
vmw_res_rel_cond_nop,
vmw_res_rel_max
};
/**
* struct vmw_resource_relocation - Relocation info for resources
*
* @head: List head for the software context's relocation list.
* @res: Non-ref-counted pointer to the resource.
* @offset: Offset of single byte entries into the command buffer where the id
* that needs fixup is located.
* @rel_type: Type of relocation.
*/
struct vmw_resource_relocation {
struct list_head head;
const struct vmw_resource *res;
u32 offset:29;
enum vmw_resource_relocation_type rel_type:3;
};
/**
* struct vmw_ctx_validation_info - Extra validation metadata for contexts
*
* @head: List head of context list
* @ctx: The context resource
* @cur: The context's persistent binding state
* @staged: The binding state changes of this command buffer
*/
struct vmw_ctx_validation_info {
struct list_head head;
struct vmw_resource *ctx;
struct vmw_ctx_binding_state *cur;
struct vmw_ctx_binding_state *staged;
};
/**
* struct vmw_cmd_entry - Describe a command for the verifier
*
* @func: Call-back to handle the command.
* @user_allow: Whether allowed from the execbuf ioctl.
* @gb_disable: Whether disabled if guest-backed objects are available.
* @gb_enable: Whether enabled iff guest-backed objects are available.
* @cmd_name: Name of the command.
*/
struct vmw_cmd_entry {
int (*func) (struct vmw_private *, struct vmw_sw_context *,
SVGA3dCmdHeader *);
bool user_allow;
bool gb_disable;
bool gb_enable;
const char *cmd_name;
};
#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
[(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
(_gb_disable), (_gb_enable), #_cmd}
static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
struct vmw_resource *ctx);
static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGAMobId *id,
struct vmw_buffer_object **vmw_bo_p);
/**
* vmw_ptr_diff - Compute the offset from a to b in bytes
*
* @a: A starting pointer.
* @b: A pointer offset in the same address space.
*
* Returns: The offset in bytes between the two pointers.
*/
static size_t vmw_ptr_diff(void *a, void *b)
{
return (unsigned long) b - (unsigned long) a;
}
/**
* vmw_execbuf_bindings_commit - Commit modified binding state
*
* @sw_context: The command submission context
* @backoff: Whether this is part of the error path and binding state changes
* should be ignored
*/
static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,
bool backoff)
{
struct vmw_ctx_validation_info *entry;
list_for_each_entry(entry, &sw_context->ctx_list, head) {
if (!backoff)
vmw_binding_state_commit(entry->cur, entry->staged);
if (entry->staged != sw_context->staged_bindings)
vmw_binding_state_free(entry->staged);
else
sw_context->staged_bindings_inuse = false;
}
/* List entries are freed with the validation context */
INIT_LIST_HEAD(&sw_context->ctx_list);
}
/**
* vmw_bind_dx_query_mob - Bind the DX query MOB if referenced
*
* @sw_context: The command submission context
*/
static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)
{
if (sw_context->dx_query_mob)
vmw_context_bind_dx_query(sw_context->dx_query_ctx,
sw_context->dx_query_mob);
}
/**
* vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to
* the validate list.
*
* @dev_priv: Pointer to the device private:
* @sw_context: The command submission context
* @res: Pointer to the resource
* @node: The validation node holding the context resource metadata
*/
static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
struct vmw_resource *res,
struct vmw_ctx_validation_info *node)
{
int ret;
ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
if (unlikely(ret != 0))
goto out_err;
if (!sw_context->staged_bindings) {
sw_context->staged_bindings = vmw_binding_state_alloc(dev_priv);
if (IS_ERR(sw_context->staged_bindings)) {
ret = PTR_ERR(sw_context->staged_bindings);
sw_context->staged_bindings = NULL;
goto out_err;
}
}
if (sw_context->staged_bindings_inuse) {
node->staged = vmw_binding_state_alloc(dev_priv);
if (IS_ERR(node->staged)) {
ret = PTR_ERR(node->staged);
node->staged = NULL;
goto out_err;
}
} else {
node->staged = sw_context->staged_bindings;
sw_context->staged_bindings_inuse = true;
}
node->ctx = res;
node->cur = vmw_context_binding_state(res);
list_add_tail(&node->head, &sw_context->ctx_list);
return 0;
out_err:
return ret;
}
/**
* vmw_execbuf_res_size - calculate extra size fore the resource validation node
*
* @dev_priv: Pointer to the device private struct.
* @res_type: The resource type.
*
* Guest-backed contexts and DX contexts require extra size to store execbuf
* private information in the validation node. Typically the binding manager
* associated data structures.
*
* Returns: The extra size requirement based on resource type.
*/
static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,
enum vmw_res_type res_type)
{
return (res_type == vmw_res_dx_context ||
(res_type == vmw_res_context && dev_priv->has_mob)) ?
sizeof(struct vmw_ctx_validation_info) : 0;
}
/**
* vmw_execbuf_rcache_update - Update a resource-node cache entry
*
* @rcache: Pointer to the entry to update.
* @res: Pointer to the resource.
* @private: Pointer to the execbuf-private space in the resource validation
* node.
*/
static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
struct vmw_resource *res,
void *private)
{
rcache->res = res;
rcache->private = private;
rcache->valid = 1;
rcache->valid_handle = 0;
}
/**
* vmw_execbuf_res_noref_val_add - Add a resource described by an unreferenced
* rcu-protected pointer to the validation list.
*
* @sw_context: Pointer to the software context.
* @res: Unreferenced rcu-protected pointer to the resource.
* @dirty: Whether to change dirty status.
*
* Returns: 0 on success. Negative error code on failure. Typical error codes
* are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.
*/
static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
struct vmw_resource *res,
u32 dirty)
{
struct vmw_private *dev_priv = res->dev_priv;
int ret;
enum vmw_res_type res_type = vmw_res_type(res);
struct vmw_res_cache_entry *rcache;
struct vmw_ctx_validation_info *ctx_info;
bool first_usage;
unsigned int priv_size;
rcache = &sw_context->res_cache[res_type];
if (likely(rcache->valid && rcache->res == res)) {
if (dirty)
vmw_validation_res_set_dirty(sw_context->ctx,
rcache->private, dirty);
vmw_user_resource_noref_release();
return 0;
}
priv_size = vmw_execbuf_res_size(dev_priv, res_type);
ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
dirty, (void **)&ctx_info,
&first_usage);
vmw_user_resource_noref_release();
if (ret)
return ret;
if (priv_size && first_usage) {
ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
ctx_info);
if (ret) {
VMW_DEBUG_USER("Failed first usage context setup.\n");
return ret;
}
}
vmw_execbuf_rcache_update(rcache, res, ctx_info);
return 0;
}
/**
* vmw_execbuf_res_noctx_val_add - Add a non-context resource to the resource
* validation list if it's not already on it
*
* @sw_context: Pointer to the software context.
* @res: Pointer to the resource.
* @dirty: Whether to change dirty status.
*
* Returns: Zero on success. Negative error code on failure.
*/
static int vmw_execbuf_res_noctx_val_add(struct vmw_sw_context *sw_context,
struct vmw_resource *res,
u32 dirty)
{
struct vmw_res_cache_entry *rcache;
enum vmw_res_type res_type = vmw_res_type(res);
void *ptr;
int ret;
rcache = &sw_context->res_cache[res_type];
if (likely(rcache->valid && rcache->res == res)) {
if (dirty)
vmw_validation_res_set_dirty(sw_context->ctx,
rcache->private, dirty);
return 0;
}
ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
&ptr, NULL);
if (ret)
return ret;
vmw_execbuf_rcache_update(rcache, res, ptr);
return 0;
}
/**
* vmw_view_res_val_add - Add a view and the surface it's pointing to to the
* validation list
*
* @sw_context: The software context holding the validation list.
* @view: Pointer to the view resource.
*
* Returns 0 if success, negative error code otherwise.
*/
static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
struct vmw_resource *view)
{
int ret;
/*
* First add the resource the view is pointing to, otherwise it may be
* swapped out when the view is validated.
*/
ret = vmw_execbuf_res_noctx_val_add(sw_context, vmw_view_srf(view),
vmw_view_dirtying(view));
if (ret)
return ret;
return vmw_execbuf_res_noctx_val_add(sw_context, view,
VMW_RES_DIRTY_NONE);
}
/**
* vmw_view_id_val_add - Look up a view and add it and the surface it's pointing
* to to the validation list.
*
* @sw_context: The software context holding the validation list.
* @view_type: The view type to look up.
* @id: view id of the view.
*
* The view is represented by a view id and the DX context it's created on, or
* scheduled for creation on. If there is no DX context set, the function will
* return an -EINVAL error pointer.
*
* Returns: Unreferenced pointer to the resource on success, negative error
* pointer on failure.
*/
static struct vmw_resource *
vmw_view_id_val_add(struct vmw_sw_context *sw_context,
enum vmw_view_type view_type, u32 id)
{
struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
struct vmw_resource *view;
int ret;
if (!ctx_node)
return ERR_PTR(-EINVAL);
view = vmw_view_lookup(sw_context->man, view_type, id);
if (IS_ERR(view))
return view;
ret = vmw_view_res_val_add(sw_context, view);
if (ret)
return ERR_PTR(ret);
return view;
}
/**
* vmw_resource_context_res_add - Put resources previously bound to a context on
* the validation list
*
* @dev_priv: Pointer to a device private structure
* @sw_context: Pointer to a software context used for this command submission
* @ctx: Pointer to the context resource
*
* This function puts all resources that were previously bound to @ctx on the
* resource validation list. This is part of the context state reemission
*/
static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
struct vmw_resource *ctx)
{
struct list_head *binding_list;
struct vmw_ctx_bindinfo *entry;
int ret = 0;
struct vmw_resource *res;
u32 i;
u32 cotable_max = has_sm5_context(ctx->dev_priv) ?
SVGA_COTABLE_MAX : SVGA_COTABLE_DX10_MAX;
/* Add all cotables to the validation list. */
if (has_sm4_context(dev_priv) &&
vmw_res_type(ctx) == vmw_res_dx_context) {
for (i = 0; i < cotable_max; ++i) {
res = vmw_context_cotable(ctx, i);
if (IS_ERR(res))
continue;
ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
VMW_RES_DIRTY_SET);
if (unlikely(ret != 0))
return ret;
}
}
/* Add all resources bound to the context to the validation list */
mutex_lock(&dev_priv->binding_mutex);
binding_list = vmw_context_binding_list(ctx);
list_for_each_entry(entry, binding_list, ctx_list) {
if (vmw_res_type(entry->res) == vmw_res_view)
ret = vmw_view_res_val_add(sw_context, entry->res);
else
ret = vmw_execbuf_res_noctx_val_add
(sw_context, entry->res,
vmw_binding_dirtying(entry->bt));
if (unlikely(ret != 0))
break;
}
if (has_sm4_context(dev_priv) &&
vmw_res_type(ctx) == vmw_res_dx_context) {
struct vmw_buffer_object *dx_query_mob;
dx_query_mob = vmw_context_get_dx_query_mob(ctx);
if (dx_query_mob)
ret = vmw_validation_add_bo(sw_context->ctx,
dx_query_mob, true, false);
}
mutex_unlock(&dev_priv->binding_mutex);
return ret;
}
/**
* vmw_resource_relocation_add - Add a relocation to the relocation list
*
* @sw_context: Pointer to the software context.
* @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 vmw_sw_context *sw_context,
const struct vmw_resource *res,
unsigned long offset,
enum vmw_resource_relocation_type
rel_type)
{
struct vmw_resource_relocation *rel;
rel = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*rel));
if (unlikely(!rel)) {
VMW_DEBUG_USER("Failed to allocate a resource relocation.\n");
return -ENOMEM;
}
rel->res = res;
rel->offset = offset;
rel->rel_type = rel_type;
list_add_tail(&rel->head, &sw_context->res_relocations);
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)
{
/* Memory is validation context memory, so no need to free it */
INIT_LIST_HEAD(list);
}
/**
* 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_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)
{
int ret;
ret = vmw_validation_res_reserve(sw_context->ctx, true);
if (ret)
return ret;
if (sw_context->dx_query_mob) {
struct vmw_buffer_object *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_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.
* @dirty: Whether to change dirty status.
* @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_res: 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,
u32 dirty,
const struct vmw_user_resource_conv *converter,
uint32_t *id_loc,
struct vmw_resource **p_res)
{
struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
struct vmw_resource *res;
int ret;
if (p_res)
*p_res = NULL;
if (*id_loc == SVGA3D_INVALID_ID) {
if (res_type == vmw_res_context) {
VMW_DEBUG_USER("Illegal context invalid id.\n");
return -EINVAL;
}
return 0;
}
if (likely(rcache->valid_handle && *id_loc == rcache->handle)) {
res = rcache->res;
if (dirty)
vmw_validation_res_set_dirty(sw_context->ctx,
rcache->private, dirty);
} else {
unsigned int size = vmw_execbuf_res_size(dev_priv, res_type);
ret = vmw_validation_preload_res(sw_context->ctx, size);
if (ret)
return ret;
res = vmw_user_resource_noref_lookup_handle
(dev_priv, sw_context->fp->tfile, *id_loc, converter);
if (IS_ERR(res)) {
VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",
(unsigned int) *id_loc);
return PTR_ERR(res);
}
ret = vmw_execbuf_res_noref_val_add(sw_context, res, dirty);
if (unlikely(ret != 0))
return ret;
if (rcache->valid && rcache->res == res) {
rcache->valid_handle = true;
rcache->handle = *id_loc;
}
}
ret = vmw_resource_relocation_add(sw_context, res,
vmw_ptr_diff(sw_context->buf_start,
id_loc),
vmw_res_rel_normal);
if (p_res)
*p_res = res;
return 0;
}
/**
* vmw_rebind_all_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_buffer_object *dx_query_mob;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindAllQuery);
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_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), ctx_res->id);
if (cmd == NULL)
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.resource->start;
vmw_cmd_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_ctx_validation_info *val;
int ret;
list_for_each_entry(val, &sw_context->ctx_list, head) {
ret = vmw_binding_rebind_all(val->cur);
if (unlikely(ret != 0)) {
if (ret != -ERESTARTSYS)
VMW_DEBUG_USER("Failed to rebind context.\n");
return ret;
}
ret = vmw_rebind_all_dx_query(val->ctx);
if (ret != 0) {
VMW_DEBUG_USER("Failed to rebind queries.\n");
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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
u32 i;
if (!ctx_node)
return -EINVAL;
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_id_val_add(sw_context, view_type,
view_ids[i]);
if (IS_ERR(view)) {
VMW_DEBUG_USER("View not found.\n");
return PTR_ERR(view);
}
}
binding.bi.ctx = ctx_node->ctx;
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, &binding.bi,
shader_slot, binding.slot);
}
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)
{
VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body, NULL);
}
/**
* vmw_execbuf_info_from_res - Get the private validation metadata for a
* recently validated resource
*
* @sw_context: Pointer to the command submission context
* @res: The resource
*
* The resource pointed to by @res needs to be present in the command submission
* context's resource cache and hence the last resource of that type to be
* processed by the validation code.
*
* Return: a pointer to the private metadata of the resource, or NULL if it
* wasn't found
*/
static struct vmw_ctx_validation_info *
vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,
struct vmw_resource *res)
{
struct vmw_res_cache_entry *rcache =
&sw_context->res_cache[vmw_res_type(res)];
if (rcache->valid && rcache->res == res)
return rcache->private;
WARN_ON_ONCE(true);
return NULL;
}
static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);
struct vmw_resource *ctx;
struct vmw_resource *res;
int ret;
cmd = container_of(header, typeof(*cmd), header);
if (cmd->body.type >= SVGA3D_RT_MAX) {
VMW_DEBUG_USER("Illegal render target type %u.\n",
(unsigned int) cmd->body.type);
return -EINVAL;
}
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, &ctx);
if (unlikely(ret != 0))
return ret;
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, user_surface_converter,
&cmd->body.target.sid, &res);
if (unlikely(ret))
return ret;
if (dev_priv->has_mob) {
struct vmw_ctx_bindinfo_view binding;
struct vmw_ctx_validation_info *node;
node = vmw_execbuf_info_from_res(sw_context, ctx);
if (!node)
return -EINVAL;
binding.bi.ctx = ctx;
binding.bi.res = res;
binding.bi.bt = vmw_ctx_binding_rt;
binding.slot = cmd->body.type;
vmw_binding_add(node->staged, &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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.src.sid, NULL);
if (ret)
return ret;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.src, NULL);
if (ret != 0)
return ret;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.srcSid, NULL);
if (ret != 0)
return ret;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, 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,
VMW_RES_DIRTY_SET, 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, 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_buffer_object *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.resource->num_pages > 4)) {
VMW_DEBUG_USER("Query buffer too large.\n");
return -EINVAL;
}
if (unlikely(sw_context->cur_query_bo != NULL)) {
sw_context->needs_post_query_barrier = true;
ret = vmw_validation_add_bo(sw_context->ctx,
sw_context->cur_query_bo,
dev_priv->has_mob, false);
if (unlikely(ret != 0))
return ret;
}
sw_context->cur_query_bo = new_query_bo;
ret = vmw_validation_add_bo(sw_context->ctx,
dev_priv->dummy_query_bo,
dev_priv->has_mob, false);
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_cmd_emit_dummy_query(dev_priv, ctx->id);
if (unlikely(ret != 0))
VMW_DEBUG_USER("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_bo_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_bo_reference(sw_context->cur_query_bo);
}
}
}
/**
* vmw_translate_mob_ptr - 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
* non-reference-counted pointer to the buffer object 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_buffer_object **vmw_bo_p)
{
struct vmw_buffer_object *vmw_bo;
uint32_t handle = *id;
struct vmw_relocation *reloc;
int ret;
vmw_validation_preload_bo(sw_context->ctx);
vmw_bo = vmw_user_bo_noref_lookup(sw_context->fp->tfile, handle);
if (IS_ERR(vmw_bo)) {
VMW_DEBUG_USER("Could not find or use MOB buffer.\n");
return PTR_ERR(vmw_bo);
}
ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, true, false);
vmw_user_bo_noref_release();
if (unlikely(ret != 0))
return ret;
reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
if (!reloc)
return -ENOMEM;
reloc->mob_loc = id;
reloc->vbo = vmw_bo;
*vmw_bo_p = vmw_bo;
list_add_tail(&reloc->head, &sw_context->bo_relocations);
return 0;
}
/**
* vmw_translate_guest_ptr - 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
* non-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_buffer_object **vmw_bo_p)
{
struct vmw_buffer_object *vmw_bo;
uint32_t handle = ptr->gmrId;
struct vmw_relocation *reloc;
int ret;
vmw_validation_preload_bo(sw_context->ctx);
vmw_bo = vmw_user_bo_noref_lookup(sw_context->fp->tfile, handle);
if (IS_ERR(vmw_bo)) {
VMW_DEBUG_USER("Could not find or use GMR region.\n");
return PTR_ERR(vmw_bo);
}
ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, false, false);
vmw_user_bo_noref_release();
if (unlikely(ret != 0))
return ret;
reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
if (!reloc)
return -ENOMEM;
reloc->location = ptr;
reloc->vbo = vmw_bo;
*vmw_bo_p = vmw_bo;
list_add_tail(&reloc->head, &sw_context->bo_relocations);
return 0;
}
/**
* vmw_cmd_dx_define_query - validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineQuery);
struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_resource *cotable_res;
int ret;
if (!ctx_node)
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||
cmd->body.type >= SVGA3D_QUERYTYPE_MAX)
return -EINVAL;
cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
return ret;
}
/**
* vmw_cmd_dx_bind_query - validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);
struct vmw_buffer_object *vmw_bo;
int ret;
cmd = container_of(header, typeof(*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->body.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->ctx;
return 0;
}
/**
* vmw_cmd_begin_gb_query - validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, NULL);
}
/**
* vmw_cmd_begin_query - validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =
container_of(header, typeof(*cmd), header);
if (unlikely(dev_priv->has_mob)) {
VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);
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.body.cid = cmd->body.cid;
gb_cmd.body.type = cmd->body.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,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, NULL);
}
/**
* vmw_cmd_end_gb_query - validate 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_buffer_object *vmw_bo;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);
int ret;
cmd = container_of(header, typeof(*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->body.mobid,
&vmw_bo);
if (unlikely(ret != 0))
return ret;
ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
return ret;
}
/**
* vmw_cmd_end_query - validate 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_buffer_object *vmw_bo;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);
int ret;
cmd = container_of(header, typeof(*cmd), header);
if (dev_priv->has_mob) {
VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);
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.body.cid = cmd->body.cid;
gb_cmd.body.type = cmd->body.type;
gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
gb_cmd.body.offset = cmd->body.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->body.guestResult, &vmw_bo);
if (unlikely(ret != 0))
return ret;
ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
return ret;
}
/**
* vmw_cmd_wait_gb_query - validate 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_buffer_object *vmw_bo;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);
int ret;
cmd = container_of(header, typeof(*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->body.mobid,
&vmw_bo);
if (unlikely(ret != 0))
return ret;
return 0;
}
/**
* vmw_cmd_wait_query - validate 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_buffer_object *vmw_bo;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);
int ret;
cmd = container_of(header, typeof(*cmd), header);
if (dev_priv->has_mob) {
VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);
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.body.cid = cmd->body.cid;
gb_cmd.body.type = cmd->body.type;
gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
gb_cmd.body.offset = cmd->body.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->body.guestResult, &vmw_bo);
if (unlikely(ret != 0))
return ret;
return 0;
}
static int vmw_cmd_dma(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
struct vmw_buffer_object *vmw_bo = NULL;
struct vmw_surface *srf = NULL;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA);
int ret;
SVGA3dCmdSurfaceDMASuffix *suffix;
uint32_t bo_size;
bool dirty;
cmd = container_of(header, typeof(*cmd), header);
suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
header->size - sizeof(*suffix));
/* Make sure device and verifier stays in sync. */
if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
VMW_DEBUG_USER("Invalid DMA suffix size.\n");
return -EINVAL;
}
ret = vmw_translate_guest_ptr(dev_priv, sw_context,
&cmd->body.guest.ptr, &vmw_bo);
if (unlikely(ret != 0))
return ret;
/* Make sure DMA doesn't cross BO boundaries. */
bo_size = vmw_bo->base.base.size;
if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {
VMW_DEBUG_USER("Invalid DMA offset.\n");
return -EINVAL;
}
bo_size -= cmd->body.guest.ptr.offset;
if (unlikely(suffix->maximumOffset > bo_size))
suffix->maximumOffset = bo_size;
dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ?
VMW_RES_DIRTY_SET : 0;
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
dirty, user_surface_converter,
&cmd->body.host.sid, NULL);
if (unlikely(ret != 0)) {
if (unlikely(ret != -ERESTARTSYS))
VMW_DEBUG_USER("could not find surface for DMA.\n");
return ret;
}
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);
return 0;
}
static int vmw_cmd_draw(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDrawPrimitives);
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, typeof(*cmd), header);
maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
if (unlikely(cmd->body.numVertexDecls > maxnum)) {
VMW_DEBUG_USER("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,
VMW_RES_DIRTY_NONE,
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)) {
VMW_DEBUG_USER("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,
VMW_RES_DIRTY_NONE,
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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetTextureState);
SVGA3dTextureState *last_state = (SVGA3dTextureState *)
((unsigned long) header + header->size + sizeof(header));
SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
((unsigned long) header + sizeof(*cmd));
struct vmw_resource *ctx;
struct vmw_resource *res;
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, &ctx);
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) {
VMW_DEBUG_USER("Illegal texture/sampler unit %u.\n",
(unsigned int) cur_state->stage);
return -EINVAL;
}
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE,
user_surface_converter,
&cur_state->value, &res);
if (unlikely(ret != 0))
return ret;
if (dev_priv->has_mob) {
struct vmw_ctx_bindinfo_tex binding;
struct vmw_ctx_validation_info *node;
node = vmw_execbuf_info_from_res(sw_context, ctx);
if (!node)
return -EINVAL;
binding.bi.ctx = ctx;
binding.bi.res = res;
binding.bi.bt = vmw_ctx_binding_tex;
binding.texture_stage = cur_state->stage;
vmw_binding_add(node->staged, &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_buffer_object *vmw_bo;
struct {
uint32_t header;
SVGAFifoCmdDefineGMRFB body;
} *cmd = buf;
return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,
&vmw_bo);
}
/**
* 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.
* @res: Pointer to 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 *res, uint32_t *buf_id,
unsigned long backup_offset)
{
struct vmw_buffer_object *vbo;
void *info;
int ret;
info = vmw_execbuf_info_from_res(sw_context, res);
if (!info)
return -EINVAL;
ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);
if (ret)
return ret;
vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,
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 *res;
int ret;
ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
VMW_RES_DIRTY_NONE, converter, res_id, &res);
if (ret)
return ret;
return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,
backup_offset);
}
/**
* vmw_cmd_bind_gb_surface - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =
container_of(header, typeof(*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 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.image.sid, NULL);
}
/**
* vmw_cmd_update_gb_surface - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_CLEAR, user_surface_converter,
&cmd->body.sid, NULL);
}
/**
* vmw_cmd_readback_gb_image - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.image.sid, NULL);
}
/**
* vmw_cmd_readback_gb_surface - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_CLEAR, user_surface_converter,
&cmd->body.sid, NULL);
}
/**
* vmw_cmd_invalidate_gb_image - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.image.sid, NULL);
}
/**
* vmw_cmd_invalidate_gb_surface - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =
container_of(header, typeof(*cmd), header);
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_CLEAR, user_surface_converter,
&cmd->body.sid, NULL);
}
/**
* vmw_cmd_shader_define - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);
int ret;
size_t size;
struct vmw_resource *ctx;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, &ctx);
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(ctx),
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, NULL,
vmw_ptr_diff(sw_context->buf_start,
&cmd->header.id),
vmw_res_rel_nop);
}
/**
* vmw_cmd_shader_destroy - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);
int ret;
struct vmw_resource *ctx;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, &ctx);
if (unlikely(ret != 0))
return ret;
if (unlikely(!dev_priv->has_mob))
return 0;
ret = vmw_shader_remove(vmw_context_res_man(ctx), cmd->body.shid,
cmd->body.type, &sw_context->staged_cmd_res);
if (unlikely(ret != 0))
return ret;
return vmw_resource_relocation_add(sw_context, NULL,
vmw_ptr_diff(sw_context->buf_start,
&cmd->header.id),
vmw_res_rel_nop);
}
/**
* vmw_cmd_set_shader - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShader);
struct vmw_ctx_bindinfo_shader binding;
struct vmw_resource *ctx, *res = NULL;
struct vmw_ctx_validation_info *ctx_info;
int ret;
cmd = container_of(header, typeof(*cmd), header);
if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
VMW_DEBUG_USER("Illegal shader type %u.\n",
(unsigned int) cmd->body.type);
return -EINVAL;
}
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, user_context_converter,
&cmd->body.cid, &ctx);
if (unlikely(ret != 0))
return ret;
if (!dev_priv->has_mob)
return 0;
if (cmd->body.shid != SVGA3D_INVALID_ID) {
/*
* This is the compat shader path - Per device guest-backed
* shaders, but user-space thinks it's per context host-
* backed shaders.
*/
res = vmw_shader_lookup(vmw_context_res_man(ctx),
cmd->body.shid, cmd->body.type);
if (!IS_ERR(res)) {
ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
VMW_RES_DIRTY_NONE);
if (unlikely(ret != 0))
return ret;
ret = vmw_resource_relocation_add
(sw_context, res,
vmw_ptr_diff(sw_context->buf_start,
&cmd->body.shid),
vmw_res_rel_normal);
if (unlikely(ret != 0))
return ret;
}
}
if (IS_ERR_OR_NULL(res)) {
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
VMW_RES_DIRTY_NONE,
user_shader_converter, &cmd->body.shid,
&res);
if (unlikely(ret != 0))
return ret;
}
ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);
if (!ctx_info)
return -EINVAL;
binding.bi.ctx = ctx;
binding.bi.res = res;
binding.bi.bt = vmw_ctx_binding_shader;
binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
vmw_binding_add(ctx_info->staged, &binding.bi, binding.shader_slot, 0);
return 0;
}
/**
* vmw_cmd_set_shader_const - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);
int ret;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
VMW_RES_DIRTY_SET, 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 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =
container_of(header, typeof(*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
* 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer);
SVGA3dShaderType max_shader_num = has_sm5_context(dev_priv) ?
SVGA3D_NUM_SHADERTYPE : SVGA3D_NUM_SHADERTYPE_DX10;
struct vmw_resource *res = NULL;
struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_ctx_bindinfo_cb binding;
int ret;
if (!ctx_node)
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.sid, &res);
if (unlikely(ret != 0))
return ret;
binding.bi.ctx = ctx_node->ctx;
binding.bi.res = res;
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 >= max_shader_num ||
binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n",
(unsigned int) cmd->body.type,
(unsigned int) binding.slot);
return -EINVAL;
}
vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,
binding.slot);
return 0;
}
/**
* vmw_cmd_dx_set_shader_res - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) =
container_of(header, typeof(*cmd), header);
SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ?
SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX;
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 >= max_allowed) {
VMW_DEBUG_USER("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 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader);
SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ?
SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX;
struct vmw_resource *res = NULL;
struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_ctx_bindinfo_shader binding;
int ret = 0;
if (!ctx_node)
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
if (cmd->body.type >= max_allowed ||
cmd->body.type < SVGA3D_SHADERTYPE_MIN) {
VMW_DEBUG_USER("Illegal shader type %u.\n",
(unsigned int) 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)) {
VMW_DEBUG_USER("Could not find shader for binding.\n");
return PTR_ERR(res);
}
ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
VMW_RES_DIRTY_NONE);
if (ret)
return ret;
}
binding.bi.ctx = ctx_node->ctx;
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, &binding.bi, binding.shader_slot, 0);
return 0;
}
/**
* vmw_cmd_dx_set_vertex_buffers - Validates 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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_ctx_bindinfo_vb binding;
struct vmw_resource *res;
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetVertexBuffers body;
SVGA3dVertexBuffer buf[];
} *cmd;
int i, ret, num;
if (!ctx_node)
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) {
VMW_DEBUG_USER("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,
VMW_RES_DIRTY_NONE,
user_surface_converter,
&cmd->buf[i].sid, &res);
if (unlikely(ret != 0))
return ret;
binding.bi.ctx = ctx_node->ctx;
binding.bi.bt = vmw_ctx_binding_vb;
binding.bi.res = res;
binding.offset = cmd->buf[i].offset;
binding.stride = cmd->buf[i].stride;
binding.slot = i + cmd->body.startBuffer;
vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
}
return 0;
}
/**
* vmw_cmd_dx_set_index_buffer - Validate
* SVGA_3D_CMD_DX_IA_SET_INDEX_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_index_buffer(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_ctx_bindinfo_ib binding;
struct vmw_resource *res;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetIndexBuffer);
int ret;
if (!ctx_node)
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.sid, &res);
if (unlikely(ret != 0))
return ret;
binding.bi.ctx = ctx_node->ctx;
binding.bi.res = res;
binding.bi.bt = vmw_ctx_binding_ib;
binding.offset = cmd->body.offset;
binding.format = cmd->body.format;
vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);
return 0;
}
/**
* vmw_cmd_dx_set_rendertargets - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetRenderTargets) =
container_of(header, typeof(*cmd), header);
u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
sizeof(SVGA3dRenderTargetViewId);
int ret;
if (num_rt_view > SVGA3D_DX_MAX_RENDER_TARGETS) {
VMW_DEBUG_USER("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
* 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =
container_of(header, typeof(*cmd), header);
struct vmw_resource *ret;
ret = vmw_view_id_val_add(sw_context, vmw_view_rt,
cmd->body.renderTargetViewId);
return PTR_ERR_OR_ZERO(ret);
}
/**
* vmw_cmd_dx_clear_depthstencil_view - Validate
* 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =
container_of(header, typeof(*cmd), header);
struct vmw_resource *ret;
ret = vmw_view_id_val_add(sw_context, vmw_view_ds,
cmd->body.depthStencilViewId);
return PTR_ERR_OR_ZERO(ret);
}
static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_resource *srf;
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 (!ctx_node)
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)) {
VMW_DEBUG_USER("Invalid surface id.\n");
return -EINVAL;
}
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->sid, &srf);
if (unlikely(ret != 0))
return ret;
res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
ret = vmw_cotable_notify(res, cmd->defined_id);
if (unlikely(ret != 0))
return ret;
return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,
cmd->defined_id, header,
header->size + sizeof(*header),
&sw_context->staged_cmd_res);
}
/**
* vmw_cmd_dx_set_so_targets - Validate 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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_ctx_bindinfo_so_target binding;
struct vmw_resource *res;
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetSOTargets body;
SVGA3dSoTarget targets[];
} *cmd;
int i, ret, num;
if (!ctx_node)
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);
if (num > SVGA3D_DX_MAX_SOTARGETS) {
VMW_DEBUG_USER("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,
VMW_RES_DIRTY_SET,
user_surface_converter,
&cmd->targets[i].sid, &res);
if (unlikely(ret != 0))
return ret;
binding.bi.ctx = ctx_node->ctx;
binding.bi.res = res;
binding.bi.bt = vmw_ctx_binding_so_target;
binding.offset = cmd->targets[i].offset;
binding.size = cmd->targets[i].sizeInBytes;
binding.slot = i;
vmw_binding_add(ctx_node->staged, &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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
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 (!ctx_node)
return -EINVAL;
so_type = vmw_so_cmd_to_type(header->id);
res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
if (IS_ERR(res))
return PTR_ERR(res);
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cotable_notify(res, cmd->defined_id);
return ret;
}
/**
* vmw_cmd_dx_check_subresource - Validate 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,
VMW_RES_DIRTY_NONE, 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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
if (!ctx_node)
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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
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)
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, view,
vmw_ptr_diff(sw_context->buf_start,
&cmd->header.id),
vmw_res_rel_cond_nop);
}
/**
* vmw_cmd_dx_define_shader - Validate 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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
struct vmw_resource *res;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =
container_of(header, typeof(*cmd), header);
int ret;
if (!ctx_node)
return -EINVAL;
res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
ret = vmw_cotable_notify(res, cmd->body.shaderId);
if (ret)
return ret;
return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,
cmd->body.shaderId, cmd->body.type,
&sw_context->staged_cmd_res);
}
/**
* vmw_cmd_dx_destroy_shader - Validate 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_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =
container_of(header, typeof(*cmd), header);
int ret;
if (!ctx_node)
return -EINVAL;
ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
&sw_context->staged_cmd_res);
return ret;
}
/**
* vmw_cmd_dx_bind_shader - Validate 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 *ctx;
struct vmw_resource *res;
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =
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,
VMW_RES_DIRTY_SET,
user_context_converter, &cmd->body.cid,
&ctx);
if (ret)
return ret;
} else {
struct vmw_ctx_validation_info *ctx_node =
VMW_GET_CTX_NODE(sw_context);
if (!ctx_node)
return -EINVAL;
ctx = ctx_node->ctx;
}
res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);
if (IS_ERR(res)) {
VMW_DEBUG_USER("Could not find shader to bind.\n");
return PTR_ERR(res);
}
ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
VMW_RES_DIRTY_NONE);
if (ret) {
VMW_DEBUG_USER("Error creating resource validation node.\n");
return ret;
}
return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
&cmd->body.mobid,
cmd->body.offsetInBytes);
}
/**
* vmw_cmd_dx_genmips - Validate 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =
container_of(header, typeof(*cmd), header);
struct vmw_resource *view;
struct vmw_res_cache_entry *rcache;
view = vmw_view_id_val_add(sw_context, vmw_view_sr,
cmd->body.shaderResourceViewId);
if (IS_ERR(view))
return PTR_ERR(view);
/*
* Normally the shader-resource view is not gpu-dirtying, but for
* this particular command it is...
* So mark the last looked-up surface, which is the surface
* the view points to, gpu-dirty.
*/
rcache = &sw_context->res_cache[vmw_res_surface];
vmw_validation_res_set_dirty(sw_context->ctx, rcache->private,
VMW_RES_DIRTY_SET);
return 0;
}
/**
* vmw_cmd_dx_transfer_from_buffer - Validate
* 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)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =
container_of(header, typeof(*cmd), header);
int ret;
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->body.srcSid, NULL);
if (ret != 0)
return ret;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, user_surface_converter,
&cmd->body.destSid, NULL);
}
/**
* vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY 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_intra_surface_copy(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =
container_of(header, typeof(*cmd), header);
if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
return -EINVAL;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_SET, user_surface_converter,
&cmd->body.surface.sid, NULL);
}
static int vmw_cmd_sm5(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
if (!has_sm5_context(dev_priv))
return -EINVAL;
return 0;
}