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1// SPDX-License-Identifier: GPL-2.0 OR MIT2/**************************************************************************3 *4 * Copyright 2009 - 2023 VMware, Inc., Palo Alto, CA., USA5 *6 * Permission is hereby granted, free of charge, to any person obtaining a7 * copy of this software and associated documentation files (the8 * "Software"), to deal in the Software without restriction, including9 * without limitation the rights to use, copy, modify, merge, publish,10 * distribute, sub license, and/or sell copies of the Software, and to11 * permit persons to whom the Software is furnished to do so, subject to12 * the following conditions:13 *14 * The above copyright notice and this permission notice (including the15 * next paragraph) shall be included in all copies or substantial portions16 * of the Software.17 *18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE24 * USE OR OTHER DEALINGS IN THE SOFTWARE.25 *26 **************************************************************************/27#include "vmwgfx_binding.h"28#include "vmwgfx_bo.h"29#include "vmwgfx_drv.h"30#include "vmwgfx_mksstat.h"31#include "vmwgfx_so.h"32 33#include <drm/ttm/ttm_bo.h>34#include <drm/ttm/ttm_placement.h>35 36#include <linux/sync_file.h>37#include <linux/hashtable.h>38#include <linux/vmalloc.h>39 40/*41 * Helper macro to get dx_ctx_node if available otherwise print an error42 * message. This is for use in command verifier function where if dx_ctx_node43 * is not set then command is invalid.44 */45#define VMW_GET_CTX_NODE(__sw_context) \46({ \47 __sw_context->dx_ctx_node ? __sw_context->dx_ctx_node : ({ \48 VMW_DEBUG_USER("SM context is not set at %s\n", __func__); \49 __sw_context->dx_ctx_node; \50 }); \51})52 53#define VMW_DECLARE_CMD_VAR(__var, __type) \54 struct { \55 SVGA3dCmdHeader header; \56 __type body; \57 } __var58 59/**60 * struct vmw_relocation - Buffer object relocation61 *62 * @head: List head for the command submission context's relocation list63 * @vbo: Non ref-counted pointer to buffer object64 * @mob_loc: Pointer to location for mob id to be modified65 * @location: Pointer to location for guest pointer to be modified66 */67struct vmw_relocation {68 struct list_head head;69 struct vmw_bo *vbo;70 union {71 SVGAMobId *mob_loc;72 SVGAGuestPtr *location;73 };74};75 76/**77 * enum vmw_resource_relocation_type - Relocation type for resources78 *79 * @vmw_res_rel_normal: Traditional relocation. The resource id in the80 * command stream is replaced with the actual id after validation.81 * @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced82 * with a NOP.83 * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after84 * validation is -1, the command is replaced with a NOP. Otherwise no action.85 * @vmw_res_rel_max: Last value in the enum - used for error checking86*/87enum vmw_resource_relocation_type {88 vmw_res_rel_normal,89 vmw_res_rel_nop,90 vmw_res_rel_cond_nop,91 vmw_res_rel_max92};93 94/**95 * struct vmw_resource_relocation - Relocation info for resources96 *97 * @head: List head for the software context's relocation list.98 * @res: Non-ref-counted pointer to the resource.99 * @offset: Offset of single byte entries into the command buffer where the id100 * that needs fixup is located.101 * @rel_type: Type of relocation.102 */103struct vmw_resource_relocation {104 struct list_head head;105 const struct vmw_resource *res;106 u32 offset:29;107 enum vmw_resource_relocation_type rel_type:3;108};109 110/**111 * struct vmw_ctx_validation_info - Extra validation metadata for contexts112 *113 * @head: List head of context list114 * @ctx: The context resource115 * @cur: The context's persistent binding state116 * @staged: The binding state changes of this command buffer117 */118struct vmw_ctx_validation_info {119 struct list_head head;120 struct vmw_resource *ctx;121 struct vmw_ctx_binding_state *cur;122 struct vmw_ctx_binding_state *staged;123};124 125/**126 * struct vmw_cmd_entry - Describe a command for the verifier127 *128 * @func: Call-back to handle the command.129 * @user_allow: Whether allowed from the execbuf ioctl.130 * @gb_disable: Whether disabled if guest-backed objects are available.131 * @gb_enable: Whether enabled iff guest-backed objects are available.132 * @cmd_name: Name of the command.133 */134struct vmw_cmd_entry {135 int (*func) (struct vmw_private *, struct vmw_sw_context *,136 SVGA3dCmdHeader *);137 bool user_allow;138 bool gb_disable;139 bool gb_enable;140 const char *cmd_name;141};142 143#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \144 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\145 (_gb_disable), (_gb_enable), #_cmd}146 147static int vmw_resource_context_res_add(struct vmw_private *dev_priv,148 struct vmw_sw_context *sw_context,149 struct vmw_resource *ctx);150static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,151 struct vmw_sw_context *sw_context,152 SVGAMobId *id,153 struct vmw_bo **vmw_bo_p);154/**155 * vmw_ptr_diff - Compute the offset from a to b in bytes156 *157 * @a: A starting pointer.158 * @b: A pointer offset in the same address space.159 *160 * Returns: The offset in bytes between the two pointers.161 */162static size_t vmw_ptr_diff(void *a, void *b)163{164 return (unsigned long) b - (unsigned long) a;165}166 167/**168 * vmw_execbuf_bindings_commit - Commit modified binding state169 *170 * @sw_context: The command submission context171 * @backoff: Whether this is part of the error path and binding state changes172 * should be ignored173 */174static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,175 bool backoff)176{177 struct vmw_ctx_validation_info *entry;178 179 list_for_each_entry(entry, &sw_context->ctx_list, head) {180 if (!backoff)181 vmw_binding_state_commit(entry->cur, entry->staged);182 183 if (entry->staged != sw_context->staged_bindings)184 vmw_binding_state_free(entry->staged);185 else186 sw_context->staged_bindings_inuse = false;187 }188 189 /* List entries are freed with the validation context */190 INIT_LIST_HEAD(&sw_context->ctx_list);191}192 193/**194 * vmw_bind_dx_query_mob - Bind the DX query MOB if referenced195 *196 * @sw_context: The command submission context197 */198static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)199{200 if (sw_context->dx_query_mob)201 vmw_context_bind_dx_query(sw_context->dx_query_ctx,202 sw_context->dx_query_mob);203}204 205/**206 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to207 * the validate list.208 *209 * @dev_priv: Pointer to the device private:210 * @sw_context: The command submission context211 * @res: Pointer to the resource212 * @node: The validation node holding the context resource metadata213 */214static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,215 struct vmw_sw_context *sw_context,216 struct vmw_resource *res,217 struct vmw_ctx_validation_info *node)218{219 int ret;220 221 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);222 if (unlikely(ret != 0))223 goto out_err;224 225 if (!sw_context->staged_bindings) {226 sw_context->staged_bindings = vmw_binding_state_alloc(dev_priv);227 if (IS_ERR(sw_context->staged_bindings)) {228 ret = PTR_ERR(sw_context->staged_bindings);229 sw_context->staged_bindings = NULL;230 goto out_err;231 }232 }233 234 if (sw_context->staged_bindings_inuse) {235 node->staged = vmw_binding_state_alloc(dev_priv);236 if (IS_ERR(node->staged)) {237 ret = PTR_ERR(node->staged);238 node->staged = NULL;239 goto out_err;240 }241 } else {242 node->staged = sw_context->staged_bindings;243 sw_context->staged_bindings_inuse = true;244 }245 246 node->ctx = res;247 node->cur = vmw_context_binding_state(res);248 list_add_tail(&node->head, &sw_context->ctx_list);249 250 return 0;251 252out_err:253 return ret;254}255 256/**257 * vmw_execbuf_res_size - calculate extra size fore the resource validation node258 *259 * @dev_priv: Pointer to the device private struct.260 * @res_type: The resource type.261 *262 * Guest-backed contexts and DX contexts require extra size to store execbuf263 * private information in the validation node. Typically the binding manager264 * associated data structures.265 *266 * Returns: The extra size requirement based on resource type.267 */268static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,269 enum vmw_res_type res_type)270{271 return (res_type == vmw_res_dx_context ||272 (res_type == vmw_res_context && dev_priv->has_mob)) ?273 sizeof(struct vmw_ctx_validation_info) : 0;274}275 276/**277 * vmw_execbuf_rcache_update - Update a resource-node cache entry278 *279 * @rcache: Pointer to the entry to update.280 * @res: Pointer to the resource.281 * @private: Pointer to the execbuf-private space in the resource validation282 * node.283 */284static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,285 struct vmw_resource *res,286 void *private)287{288 rcache->res = res;289 rcache->private = private;290 rcache->valid = 1;291 rcache->valid_handle = 0;292}293 294enum vmw_val_add_flags {295 vmw_val_add_flag_none = 0,296 vmw_val_add_flag_noctx = 1 << 0,297};298 299/**300 * vmw_execbuf_res_val_add - Add a resource to the validation list.301 *302 * @sw_context: Pointer to the software context.303 * @res: Unreferenced rcu-protected pointer to the resource.304 * @dirty: Whether to change dirty status.305 * @flags: specifies whether to use the context or not306 *307 * Returns: 0 on success. Negative error code on failure. Typical error codes308 * are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.309 */310static int vmw_execbuf_res_val_add(struct vmw_sw_context *sw_context,311 struct vmw_resource *res,312 u32 dirty,313 u32 flags)314{315 struct vmw_private *dev_priv = res->dev_priv;316 int ret;317 enum vmw_res_type res_type = vmw_res_type(res);318 struct vmw_res_cache_entry *rcache;319 struct vmw_ctx_validation_info *ctx_info;320 bool first_usage;321 unsigned int priv_size;322 323 rcache = &sw_context->res_cache[res_type];324 if (likely(rcache->valid && rcache->res == res)) {325 if (dirty)326 vmw_validation_res_set_dirty(sw_context->ctx,327 rcache->private, dirty);328 return 0;329 }330 331 if ((flags & vmw_val_add_flag_noctx) != 0) {332 ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,333 (void **)&ctx_info, NULL);334 if (ret)335 return ret;336 337 } else {338 priv_size = vmw_execbuf_res_size(dev_priv, res_type);339 ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,340 dirty, (void **)&ctx_info,341 &first_usage);342 if (ret)343 return ret;344 345 if (priv_size && first_usage) {346 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,347 ctx_info);348 if (ret) {349 VMW_DEBUG_USER("Failed first usage context setup.\n");350 return ret;351 }352 }353 }354 355 vmw_execbuf_rcache_update(rcache, res, ctx_info);356 return 0;357}358 359/**360 * vmw_view_res_val_add - Add a view and the surface it's pointing to to the361 * validation list362 *363 * @sw_context: The software context holding the validation list.364 * @view: Pointer to the view resource.365 *366 * Returns 0 if success, negative error code otherwise.367 */368static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,369 struct vmw_resource *view)370{371 int ret;372 373 /*374 * First add the resource the view is pointing to, otherwise it may be375 * swapped out when the view is validated.376 */377 ret = vmw_execbuf_res_val_add(sw_context, vmw_view_srf(view),378 vmw_view_dirtying(view), vmw_val_add_flag_noctx);379 if (ret)380 return ret;381 382 return vmw_execbuf_res_val_add(sw_context, view, VMW_RES_DIRTY_NONE,383 vmw_val_add_flag_noctx);384}385 386/**387 * vmw_view_id_val_add - Look up a view and add it and the surface it's pointing388 * to to the validation list.389 *390 * @sw_context: The software context holding the validation list.391 * @view_type: The view type to look up.392 * @id: view id of the view.393 *394 * The view is represented by a view id and the DX context it's created on, or395 * scheduled for creation on. If there is no DX context set, the function will396 * return an -EINVAL error pointer.397 *398 * Returns: Unreferenced pointer to the resource on success, negative error399 * pointer on failure.400 */401static struct vmw_resource *402vmw_view_id_val_add(struct vmw_sw_context *sw_context,403 enum vmw_view_type view_type, u32 id)404{405 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;406 struct vmw_resource *view;407 int ret;408 409 if (!ctx_node)410 return ERR_PTR(-EINVAL);411 412 view = vmw_view_lookup(sw_context->man, view_type, id);413 if (IS_ERR(view))414 return view;415 416 ret = vmw_view_res_val_add(sw_context, view);417 if (ret)418 return ERR_PTR(ret);419 420 return view;421}422 423/**424 * vmw_resource_context_res_add - Put resources previously bound to a context on425 * the validation list426 *427 * @dev_priv: Pointer to a device private structure428 * @sw_context: Pointer to a software context used for this command submission429 * @ctx: Pointer to the context resource430 *431 * This function puts all resources that were previously bound to @ctx on the432 * resource validation list. This is part of the context state reemission433 */434static int vmw_resource_context_res_add(struct vmw_private *dev_priv,435 struct vmw_sw_context *sw_context,436 struct vmw_resource *ctx)437{438 struct list_head *binding_list;439 struct vmw_ctx_bindinfo *entry;440 int ret = 0;441 struct vmw_resource *res;442 u32 i;443 u32 cotable_max = has_sm5_context(ctx->dev_priv) ?444 SVGA_COTABLE_MAX : SVGA_COTABLE_DX10_MAX;445 446 /* Add all cotables to the validation list. */447 if (has_sm4_context(dev_priv) &&448 vmw_res_type(ctx) == vmw_res_dx_context) {449 for (i = 0; i < cotable_max; ++i) {450 res = vmw_context_cotable(ctx, i);451 if (IS_ERR_OR_NULL(res))452 continue;453 454 ret = vmw_execbuf_res_val_add(sw_context, res,455 VMW_RES_DIRTY_SET,456 vmw_val_add_flag_noctx);457 if (unlikely(ret != 0))458 return ret;459 }460 }461 462 /* Add all resources bound to the context to the validation list */463 mutex_lock(&dev_priv->binding_mutex);464 binding_list = vmw_context_binding_list(ctx);465 466 list_for_each_entry(entry, binding_list, ctx_list) {467 if (vmw_res_type(entry->res) == vmw_res_view)468 ret = vmw_view_res_val_add(sw_context, entry->res);469 else470 ret = vmw_execbuf_res_val_add(sw_context, entry->res,471 vmw_binding_dirtying(entry->bt),472 vmw_val_add_flag_noctx);473 if (unlikely(ret != 0))474 break;475 }476 477 if (has_sm4_context(dev_priv) &&478 vmw_res_type(ctx) == vmw_res_dx_context) {479 struct vmw_bo *dx_query_mob;480 481 dx_query_mob = vmw_context_get_dx_query_mob(ctx);482 if (dx_query_mob) {483 vmw_bo_placement_set(dx_query_mob,484 VMW_BO_DOMAIN_MOB,485 VMW_BO_DOMAIN_MOB);486 ret = vmw_validation_add_bo(sw_context->ctx,487 dx_query_mob);488 }489 }490 491 mutex_unlock(&dev_priv->binding_mutex);492 return ret;493}494 495/**496 * vmw_resource_relocation_add - Add a relocation to the relocation list497 *498 * @sw_context: Pointer to the software context.499 * @res: The resource.500 * @offset: Offset into the command buffer currently being parsed where the id501 * that needs fixup is located. Granularity is one byte.502 * @rel_type: Relocation type.503 */504static int vmw_resource_relocation_add(struct vmw_sw_context *sw_context,505 const struct vmw_resource *res,506 unsigned long offset,507 enum vmw_resource_relocation_type508 rel_type)509{510 struct vmw_resource_relocation *rel;511 512 rel = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*rel));513 if (unlikely(!rel)) {514 VMW_DEBUG_USER("Failed to allocate a resource relocation.\n");515 return -ENOMEM;516 }517 518 rel->res = res;519 rel->offset = offset;520 rel->rel_type = rel_type;521 list_add_tail(&rel->head, &sw_context->res_relocations);522 523 return 0;524}525 526/**527 * vmw_resource_relocations_free - Free all relocations on a list528 *529 * @list: Pointer to the head of the relocation list530 */531static void vmw_resource_relocations_free(struct list_head *list)532{533 /* Memory is validation context memory, so no need to free it */534 INIT_LIST_HEAD(list);535}536 537/**538 * vmw_resource_relocations_apply - Apply all relocations on a list539 *540 * @cb: Pointer to the start of the command buffer bein patch. This need not be541 * the same buffer as the one being parsed when the relocation list was built,542 * but the contents must be the same modulo the resource ids.543 * @list: Pointer to the head of the relocation list.544 */545static void vmw_resource_relocations_apply(uint32_t *cb,546 struct list_head *list)547{548 struct vmw_resource_relocation *rel;549 550 /* Validate the struct vmw_resource_relocation member size */551 BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));552 BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));553 554 list_for_each_entry(rel, list, head) {555 u32 *addr = (u32 *)((unsigned long) cb + rel->offset);556 switch (rel->rel_type) {557 case vmw_res_rel_normal:558 *addr = rel->res->id;559 break;560 case vmw_res_rel_nop:561 *addr = SVGA_3D_CMD_NOP;562 break;563 default:564 if (rel->res->id == -1)565 *addr = SVGA_3D_CMD_NOP;566 break;567 }568 }569}570 571static int vmw_cmd_invalid(struct vmw_private *dev_priv,572 struct vmw_sw_context *sw_context,573 SVGA3dCmdHeader *header)574{575 return -EINVAL;576}577 578static int vmw_cmd_ok(struct vmw_private *dev_priv,579 struct vmw_sw_context *sw_context,580 SVGA3dCmdHeader *header)581{582 return 0;583}584 585/**586 * vmw_resources_reserve - Reserve all resources on the sw_context's resource587 * list.588 *589 * @sw_context: Pointer to the software context.590 *591 * Note that since vmware's command submission currently is protected by the592 * cmdbuf mutex, no fancy deadlock avoidance is required for resources, since593 * only a single thread at once will attempt this.594 */595static int vmw_resources_reserve(struct vmw_sw_context *sw_context)596{597 int ret;598 599 ret = vmw_validation_res_reserve(sw_context->ctx, true);600 if (ret)601 return ret;602 603 if (sw_context->dx_query_mob) {604 struct vmw_bo *expected_dx_query_mob;605 606 expected_dx_query_mob =607 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);608 if (expected_dx_query_mob &&609 expected_dx_query_mob != sw_context->dx_query_mob) {610 ret = -EINVAL;611 }612 }613 614 return ret;615}616 617/**618 * vmw_cmd_res_check - Check that a resource is present and if so, put it on the619 * resource validate list unless it's already there.620 *621 * @dev_priv: Pointer to a device private structure.622 * @sw_context: Pointer to the software context.623 * @res_type: Resource type.624 * @dirty: Whether to change dirty status.625 * @converter: User-space visible type specific information.626 * @id_loc: Pointer to the location in the command buffer currently being parsed627 * from where the user-space resource id handle is located.628 * @p_res: Pointer to pointer to resource validation node. Populated on629 * exit.630 */631static int632vmw_cmd_res_check(struct vmw_private *dev_priv,633 struct vmw_sw_context *sw_context,634 enum vmw_res_type res_type,635 u32 dirty,636 const struct vmw_user_resource_conv *converter,637 uint32_t *id_loc,638 struct vmw_resource **p_res)639{640 struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];641 struct vmw_resource *res;642 int ret = 0;643 bool needs_unref = false;644 645 if (p_res)646 *p_res = NULL;647 648 if (*id_loc == SVGA3D_INVALID_ID) {649 if (res_type == vmw_res_context) {650 VMW_DEBUG_USER("Illegal context invalid id.\n");651 return -EINVAL;652 }653 return 0;654 }655 656 if (likely(rcache->valid_handle && *id_loc == rcache->handle)) {657 res = rcache->res;658 if (dirty)659 vmw_validation_res_set_dirty(sw_context->ctx,660 rcache->private, dirty);661 } else {662 unsigned int size = vmw_execbuf_res_size(dev_priv, res_type);663 664 ret = vmw_validation_preload_res(sw_context->ctx, size);665 if (ret)666 return ret;667 668 ret = vmw_user_resource_lookup_handle669 (dev_priv, sw_context->fp->tfile, *id_loc, converter, &res);670 if (ret != 0) {671 VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",672 (unsigned int) *id_loc);673 return ret;674 }675 needs_unref = true;676 677 ret = vmw_execbuf_res_val_add(sw_context, res, dirty, vmw_val_add_flag_none);678 if (unlikely(ret != 0))679 goto res_check_done;680 681 if (rcache->valid && rcache->res == res) {682 rcache->valid_handle = true;683 rcache->handle = *id_loc;684 }685 }686 687 ret = vmw_resource_relocation_add(sw_context, res,688 vmw_ptr_diff(sw_context->buf_start,689 id_loc),690 vmw_res_rel_normal);691 if (p_res)692 *p_res = res;693 694res_check_done:695 if (needs_unref)696 vmw_resource_unreference(&res);697 698 return ret;699}700 701/**702 * vmw_rebind_all_dx_query - Rebind DX query associated with the context703 *704 * @ctx_res: context the query belongs to705 *706 * This function assumes binding_mutex is held.707 */708static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)709{710 struct vmw_private *dev_priv = ctx_res->dev_priv;711 struct vmw_bo *dx_query_mob;712 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindAllQuery);713 714 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);715 716 if (!dx_query_mob || dx_query_mob->dx_query_ctx)717 return 0;718 719 cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), ctx_res->id);720 if (cmd == NULL)721 return -ENOMEM;722 723 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;724 cmd->header.size = sizeof(cmd->body);725 cmd->body.cid = ctx_res->id;726 cmd->body.mobid = dx_query_mob->tbo.resource->start;727 vmw_cmd_commit(dev_priv, sizeof(*cmd));728 729 vmw_context_bind_dx_query(ctx_res, dx_query_mob);730 731 return 0;732}733 734/**735 * vmw_rebind_contexts - Rebind all resources previously bound to referenced736 * contexts.737 *738 * @sw_context: Pointer to the software context.739 *740 * Rebind context binding points that have been scrubbed because of eviction.741 */742static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)743{744 struct vmw_ctx_validation_info *val;745 int ret;746 747 list_for_each_entry(val, &sw_context->ctx_list, head) {748 ret = vmw_binding_rebind_all(val->cur);749 if (unlikely(ret != 0)) {750 if (ret != -ERESTARTSYS)751 VMW_DEBUG_USER("Failed to rebind context.\n");752 return ret;753 }754 755 ret = vmw_rebind_all_dx_query(val->ctx);756 if (ret != 0) {757 VMW_DEBUG_USER("Failed to rebind queries.\n");758 return ret;759 }760 }761 762 return 0;763}764 765/**766 * vmw_view_bindings_add - Add an array of view bindings to a context binding767 * state tracker.768 *769 * @sw_context: The execbuf state used for this command.770 * @view_type: View type for the bindings.771 * @binding_type: Binding type for the bindings.772 * @shader_slot: The shader slot to user for the bindings.773 * @view_ids: Array of view ids to be bound.774 * @num_views: Number of view ids in @view_ids.775 * @first_slot: The binding slot to be used for the first view id in @view_ids.776 */777static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,778 enum vmw_view_type view_type,779 enum vmw_ctx_binding_type binding_type,780 uint32 shader_slot,781 uint32 view_ids[], u32 num_views,782 u32 first_slot)783{784 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);785 u32 i;786 787 if (!ctx_node)788 return -EINVAL;789 790 for (i = 0; i < num_views; ++i) {791 struct vmw_ctx_bindinfo_view binding;792 struct vmw_resource *view = NULL;793 794 if (view_ids[i] != SVGA3D_INVALID_ID) {795 view = vmw_view_id_val_add(sw_context, view_type,796 view_ids[i]);797 if (IS_ERR(view)) {798 VMW_DEBUG_USER("View not found.\n");799 return PTR_ERR(view);800 }801 }802 binding.bi.ctx = ctx_node->ctx;803 binding.bi.res = view;804 binding.bi.bt = binding_type;805 binding.shader_slot = shader_slot;806 binding.slot = first_slot + i;807 vmw_binding_add(ctx_node->staged, &binding.bi,808 shader_slot, binding.slot);809 }810 811 return 0;812}813 814/**815 * vmw_cmd_cid_check - Check a command header for valid context information.816 *817 * @dev_priv: Pointer to a device private structure.818 * @sw_context: Pointer to the software context.819 * @header: A command header with an embedded user-space context handle.820 *821 * Convenience function: Call vmw_cmd_res_check with the user-space context822 * handle embedded in @header.823 */824static int vmw_cmd_cid_check(struct vmw_private *dev_priv,825 struct vmw_sw_context *sw_context,826 SVGA3dCmdHeader *header)827{828 VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =829 container_of(header, typeof(*cmd), header);830 831 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,832 VMW_RES_DIRTY_SET, user_context_converter,833 &cmd->body, NULL);834}835 836/**837 * vmw_execbuf_info_from_res - Get the private validation metadata for a838 * recently validated resource839 *840 * @sw_context: Pointer to the command submission context841 * @res: The resource842 *843 * The resource pointed to by @res needs to be present in the command submission844 * context's resource cache and hence the last resource of that type to be845 * processed by the validation code.846 *847 * Return: a pointer to the private metadata of the resource, or NULL if it848 * wasn't found849 */850static struct vmw_ctx_validation_info *851vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,852 struct vmw_resource *res)853{854 struct vmw_res_cache_entry *rcache =855 &sw_context->res_cache[vmw_res_type(res)];856 857 if (rcache->valid && rcache->res == res)858 return rcache->private;859 860 WARN_ON_ONCE(true);861 return NULL;862}863 864static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,865 struct vmw_sw_context *sw_context,866 SVGA3dCmdHeader *header)867{868 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);869 struct vmw_resource *ctx;870 struct vmw_resource *res;871 int ret;872 873 cmd = container_of(header, typeof(*cmd), header);874 875 if (cmd->body.type >= SVGA3D_RT_MAX) {876 VMW_DEBUG_USER("Illegal render target type %u.\n",877 (unsigned int) cmd->body.type);878 return -EINVAL;879 }880 881 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,882 VMW_RES_DIRTY_SET, user_context_converter,883 &cmd->body.cid, &ctx);884 if (unlikely(ret != 0))885 return ret;886 887 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,888 VMW_RES_DIRTY_SET, user_surface_converter,889 &cmd->body.target.sid, &res);890 if (unlikely(ret))891 return ret;892 893 if (dev_priv->has_mob) {894 struct vmw_ctx_bindinfo_view binding;895 struct vmw_ctx_validation_info *node;896 897 node = vmw_execbuf_info_from_res(sw_context, ctx);898 if (!node)899 return -EINVAL;900 901 binding.bi.ctx = ctx;902 binding.bi.res = res;903 binding.bi.bt = vmw_ctx_binding_rt;904 binding.slot = cmd->body.type;905 vmw_binding_add(node->staged, &binding.bi, 0, binding.slot);906 }907 908 return 0;909}910 911static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,912 struct vmw_sw_context *sw_context,913 SVGA3dCmdHeader *header)914{915 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);916 int ret;917 918 cmd = container_of(header, typeof(*cmd), header);919 920 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,921 VMW_RES_DIRTY_NONE, user_surface_converter,922 &cmd->body.src.sid, NULL);923 if (ret)924 return ret;925 926 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,927 VMW_RES_DIRTY_SET, user_surface_converter,928 &cmd->body.dest.sid, NULL);929}930 931static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,932 struct vmw_sw_context *sw_context,933 SVGA3dCmdHeader *header)934{935 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);936 int ret;937 938 cmd = container_of(header, typeof(*cmd), header);939 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,940 VMW_RES_DIRTY_NONE, user_surface_converter,941 &cmd->body.src, NULL);942 if (ret != 0)943 return ret;944 945 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,946 VMW_RES_DIRTY_SET, user_surface_converter,947 &cmd->body.dest, NULL);948}949 950static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,951 struct vmw_sw_context *sw_context,952 SVGA3dCmdHeader *header)953{954 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);955 int ret;956 957 cmd = container_of(header, typeof(*cmd), header);958 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,959 VMW_RES_DIRTY_NONE, user_surface_converter,960 &cmd->body.srcSid, NULL);961 if (ret != 0)962 return ret;963 964 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,965 VMW_RES_DIRTY_SET, user_surface_converter,966 &cmd->body.dstSid, NULL);967}968 969static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,970 struct vmw_sw_context *sw_context,971 SVGA3dCmdHeader *header)972{973 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);974 int ret;975 976 cmd = container_of(header, typeof(*cmd), header);977 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,978 VMW_RES_DIRTY_NONE, user_surface_converter,979 &cmd->body.src.sid, NULL);980 if (unlikely(ret != 0))981 return ret;982 983 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,984 VMW_RES_DIRTY_SET, user_surface_converter,985 &cmd->body.dest.sid, NULL);986}987 988static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,989 struct vmw_sw_context *sw_context,990 SVGA3dCmdHeader *header)991{992 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =993 container_of(header, typeof(*cmd), header);994 995 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,996 VMW_RES_DIRTY_NONE, user_surface_converter,997 &cmd->body.srcImage.sid, NULL);998}999 1000static int vmw_cmd_present_check(struct vmw_private *dev_priv,1001 struct vmw_sw_context *sw_context,1002 SVGA3dCmdHeader *header)1003{1004 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =1005 container_of(header, typeof(*cmd), header);1006 1007 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1008 VMW_RES_DIRTY_NONE, user_surface_converter,1009 &cmd->body.sid, NULL);1010}1011 1012/**1013 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.1014 *1015 * @dev_priv: The device private structure.1016 * @new_query_bo: The new buffer holding query results.1017 * @sw_context: The software context used for this command submission.1018 *1019 * This function checks whether @new_query_bo is suitable for holding query1020 * results, and if another buffer currently is pinned for query results. If so,1021 * the function prepares the state of @sw_context for switching pinned buffers1022 * after successful submission of the current command batch.1023 */1024static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,1025 struct vmw_bo *new_query_bo,1026 struct vmw_sw_context *sw_context)1027{1028 struct vmw_res_cache_entry *ctx_entry =1029 &sw_context->res_cache[vmw_res_context];1030 int ret;1031 1032 BUG_ON(!ctx_entry->valid);1033 sw_context->last_query_ctx = ctx_entry->res;1034 1035 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {1036 1037 if (unlikely(PFN_UP(new_query_bo->tbo.resource->size) > 4)) {1038 VMW_DEBUG_USER("Query buffer too large.\n");1039 return -EINVAL;1040 }1041 1042 if (unlikely(sw_context->cur_query_bo != NULL)) {1043 sw_context->needs_post_query_barrier = true;1044 vmw_bo_placement_set_default_accelerated(sw_context->cur_query_bo);1045 ret = vmw_validation_add_bo(sw_context->ctx,1046 sw_context->cur_query_bo);1047 if (unlikely(ret != 0))1048 return ret;1049 }1050 sw_context->cur_query_bo = new_query_bo;1051 1052 vmw_bo_placement_set_default_accelerated(dev_priv->dummy_query_bo);1053 ret = vmw_validation_add_bo(sw_context->ctx,1054 dev_priv->dummy_query_bo);1055 if (unlikely(ret != 0))1056 return ret;1057 }1058 1059 return 0;1060}1061 1062/**1063 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer1064 *1065 * @dev_priv: The device private structure.1066 * @sw_context: The software context used for this command submission batch.1067 *1068 * This function will check if we're switching query buffers, and will then,1069 * issue a dummy occlusion query wait used as a query barrier. When the fence1070 * object following that query wait has signaled, we are sure that all preceding1071 * queries have finished, and the old query buffer can be unpinned. However,1072 * since both the new query buffer and the old one are fenced with that fence,1073 * we can do an asynchronus unpin now, and be sure that the old query buffer1074 * won't be moved until the fence has signaled.1075 *1076 * As mentioned above, both the new - and old query buffers need to be fenced1077 * using a sequence emitted *after* calling this function.1078 */1079static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,1080 struct vmw_sw_context *sw_context)1081{1082 /*1083 * The validate list should still hold references to all1084 * contexts here.1085 */1086 if (sw_context->needs_post_query_barrier) {1087 struct vmw_res_cache_entry *ctx_entry =1088 &sw_context->res_cache[vmw_res_context];1089 struct vmw_resource *ctx;1090 int ret;1091 1092 BUG_ON(!ctx_entry->valid);1093 ctx = ctx_entry->res;1094 1095 ret = vmw_cmd_emit_dummy_query(dev_priv, ctx->id);1096 1097 if (unlikely(ret != 0))1098 VMW_DEBUG_USER("Out of fifo space for dummy query.\n");1099 }1100 1101 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {1102 if (dev_priv->pinned_bo) {1103 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);1104 vmw_bo_unreference(&dev_priv->pinned_bo);1105 }1106 1107 if (!sw_context->needs_post_query_barrier) {1108 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);1109 1110 /*1111 * We pin also the dummy_query_bo buffer so that we1112 * don't need to validate it when emitting dummy queries1113 * in context destroy paths.1114 */1115 if (!dev_priv->dummy_query_bo_pinned) {1116 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,1117 true);1118 dev_priv->dummy_query_bo_pinned = true;1119 }1120 1121 BUG_ON(sw_context->last_query_ctx == NULL);1122 dev_priv->query_cid = sw_context->last_query_ctx->id;1123 dev_priv->query_cid_valid = true;1124 dev_priv->pinned_bo =1125 vmw_bo_reference(sw_context->cur_query_bo);1126 }1127 }1128}1129 1130/**1131 * vmw_translate_mob_ptr - Prepare to translate a user-space buffer handle1132 * to a MOB id.1133 *1134 * @dev_priv: Pointer to a device private structure.1135 * @sw_context: The software context used for this command batch validation.1136 * @id: Pointer to the user-space handle to be translated.1137 * @vmw_bo_p: Points to a location that, on successful return will carry a1138 * non-reference-counted pointer to the buffer object identified by the1139 * user-space handle in @id.1140 *1141 * This function saves information needed to translate a user-space buffer1142 * handle to a MOB id. The translation does not take place immediately, but1143 * during a call to vmw_apply_relocations().1144 *1145 * This function builds a relocation list and a list of buffers to validate. The1146 * former needs to be freed using either vmw_apply_relocations() or1147 * vmw_free_relocations(). The latter needs to be freed using1148 * vmw_clear_validations.1149 */1150static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,1151 struct vmw_sw_context *sw_context,1152 SVGAMobId *id,1153 struct vmw_bo **vmw_bo_p)1154{1155 struct vmw_bo *vmw_bo, *tmp_bo;1156 uint32_t handle = *id;1157 struct vmw_relocation *reloc;1158 int ret;1159 1160 vmw_validation_preload_bo(sw_context->ctx);1161 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);1162 if (ret != 0) {1163 drm_dbg(&dev_priv->drm, "Could not find or use MOB buffer.\n");1164 return PTR_ERR(vmw_bo);1165 }1166 vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_MOB, VMW_BO_DOMAIN_MOB);1167 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);1168 tmp_bo = vmw_bo;1169 vmw_user_bo_unref(&tmp_bo);1170 if (unlikely(ret != 0))1171 return ret;1172 1173 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));1174 if (!reloc)1175 return -ENOMEM;1176 1177 reloc->mob_loc = id;1178 reloc->vbo = vmw_bo;1179 1180 *vmw_bo_p = vmw_bo;1181 list_add_tail(&reloc->head, &sw_context->bo_relocations);1182 1183 return 0;1184}1185 1186/**1187 * vmw_translate_guest_ptr - Prepare to translate a user-space buffer handle1188 * to a valid SVGAGuestPtr1189 *1190 * @dev_priv: Pointer to a device private structure.1191 * @sw_context: The software context used for this command batch validation.1192 * @ptr: Pointer to the user-space handle to be translated.1193 * @vmw_bo_p: Points to a location that, on successful return will carry a1194 * non-reference-counted pointer to the DMA buffer identified by the user-space1195 * handle in @id.1196 *1197 * This function saves information needed to translate a user-space buffer1198 * handle to a valid SVGAGuestPtr. The translation does not take place1199 * immediately, but during a call to vmw_apply_relocations().1200 *1201 * This function builds a relocation list and a list of buffers to validate.1202 * The former needs to be freed using either vmw_apply_relocations() or1203 * vmw_free_relocations(). The latter needs to be freed using1204 * vmw_clear_validations.1205 */1206static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,1207 struct vmw_sw_context *sw_context,1208 SVGAGuestPtr *ptr,1209 struct vmw_bo **vmw_bo_p)1210{1211 struct vmw_bo *vmw_bo, *tmp_bo;1212 uint32_t handle = ptr->gmrId;1213 struct vmw_relocation *reloc;1214 int ret;1215 1216 vmw_validation_preload_bo(sw_context->ctx);1217 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);1218 if (ret != 0) {1219 drm_dbg(&dev_priv->drm, "Could not find or use GMR region.\n");1220 return PTR_ERR(vmw_bo);1221 }1222 vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,1223 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);1224 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);1225 tmp_bo = vmw_bo;1226 vmw_user_bo_unref(&tmp_bo);1227 if (unlikely(ret != 0))1228 return ret;1229 1230 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));1231 if (!reloc)1232 return -ENOMEM;1233 1234 reloc->location = ptr;1235 reloc->vbo = vmw_bo;1236 *vmw_bo_p = vmw_bo;1237 list_add_tail(&reloc->head, &sw_context->bo_relocations);1238 1239 return 0;1240}1241 1242/**1243 * vmw_cmd_dx_define_query - validate SVGA_3D_CMD_DX_DEFINE_QUERY command.1244 *1245 * @dev_priv: Pointer to a device private struct.1246 * @sw_context: The software context used for this command submission.1247 * @header: Pointer to the command header in the command stream.1248 *1249 * This function adds the new query into the query COTABLE1250 */1251static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,1252 struct vmw_sw_context *sw_context,1253 SVGA3dCmdHeader *header)1254{1255 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineQuery);1256 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);1257 struct vmw_resource *cotable_res;1258 int ret;1259 1260 if (!ctx_node)1261 return -EINVAL;1262 1263 cmd = container_of(header, typeof(*cmd), header);1264 1265 if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||1266 cmd->body.type >= SVGA3D_QUERYTYPE_MAX)1267 return -EINVAL;1268 1269 cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);1270 if (IS_ERR_OR_NULL(cotable_res))1271 return cotable_res ? PTR_ERR(cotable_res) : -EINVAL;1272 ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);1273 1274 return ret;1275}1276 1277/**1278 * vmw_cmd_dx_bind_query - validate SVGA_3D_CMD_DX_BIND_QUERY command.1279 *1280 * @dev_priv: Pointer to a device private struct.1281 * @sw_context: The software context used for this command submission.1282 * @header: Pointer to the command header in the command stream.1283 *1284 * The query bind operation will eventually associate the query ID with its1285 * backing MOB. In this function, we take the user mode MOB ID and use1286 * vmw_translate_mob_ptr() to translate it to its kernel mode equivalent.1287 */1288static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,1289 struct vmw_sw_context *sw_context,1290 SVGA3dCmdHeader *header)1291{1292 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);1293 struct vmw_bo *vmw_bo;1294 int ret;1295 1296 cmd = container_of(header, typeof(*cmd), header);1297 1298 /*1299 * Look up the buffer pointed to by q.mobid, put it on the relocation1300 * list so its kernel mode MOB ID can be filled in later1301 */1302 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,1303 &vmw_bo);1304 1305 if (ret != 0)1306 return ret;1307 1308 sw_context->dx_query_mob = vmw_bo;1309 sw_context->dx_query_ctx = sw_context->dx_ctx_node->ctx;1310 return 0;1311}1312 1313/**1314 * vmw_cmd_begin_gb_query - validate SVGA_3D_CMD_BEGIN_GB_QUERY command.1315 *1316 * @dev_priv: Pointer to a device private struct.1317 * @sw_context: The software context used for this command submission.1318 * @header: Pointer to the command header in the command stream.1319 */1320static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,1321 struct vmw_sw_context *sw_context,1322 SVGA3dCmdHeader *header)1323{1324 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =1325 container_of(header, typeof(*cmd), header);1326 1327 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,1328 VMW_RES_DIRTY_SET, user_context_converter,1329 &cmd->body.cid, NULL);1330}1331 1332/**1333 * vmw_cmd_begin_query - validate SVGA_3D_CMD_BEGIN_QUERY command.1334 *1335 * @dev_priv: Pointer to a device private struct.1336 * @sw_context: The software context used for this command submission.1337 * @header: Pointer to the command header in the command stream.1338 */1339static int vmw_cmd_begin_query(struct vmw_private *dev_priv,1340 struct vmw_sw_context *sw_context,1341 SVGA3dCmdHeader *header)1342{1343 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =1344 container_of(header, typeof(*cmd), header);1345 1346 if (unlikely(dev_priv->has_mob)) {1347 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);1348 1349 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));1350 1351 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;1352 gb_cmd.header.size = cmd->header.size;1353 gb_cmd.body.cid = cmd->body.cid;1354 gb_cmd.body.type = cmd->body.type;1355 1356 memcpy(cmd, &gb_cmd, sizeof(*cmd));1357 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);1358 }1359 1360 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,1361 VMW_RES_DIRTY_SET, user_context_converter,1362 &cmd->body.cid, NULL);1363}1364 1365/**1366 * vmw_cmd_end_gb_query - validate SVGA_3D_CMD_END_GB_QUERY command.1367 *1368 * @dev_priv: Pointer to a device private struct.1369 * @sw_context: The software context used for this command submission.1370 * @header: Pointer to the command header in the command stream.1371 */1372static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,1373 struct vmw_sw_context *sw_context,1374 SVGA3dCmdHeader *header)1375{1376 struct vmw_bo *vmw_bo;1377 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);1378 int ret;1379 1380 cmd = container_of(header, typeof(*cmd), header);1381 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);1382 if (unlikely(ret != 0))1383 return ret;1384 1385 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,1386 &vmw_bo);1387 if (unlikely(ret != 0))1388 return ret;1389 1390 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);1391 1392 return ret;1393}1394 1395/**1396 * vmw_cmd_end_query - validate SVGA_3D_CMD_END_QUERY command.1397 *1398 * @dev_priv: Pointer to a device private struct.1399 * @sw_context: The software context used for this command submission.1400 * @header: Pointer to the command header in the command stream.1401 */1402static int vmw_cmd_end_query(struct vmw_private *dev_priv,1403 struct vmw_sw_context *sw_context,1404 SVGA3dCmdHeader *header)1405{1406 struct vmw_bo *vmw_bo;1407 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);1408 int ret;1409 1410 cmd = container_of(header, typeof(*cmd), header);1411 if (dev_priv->has_mob) {1412 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);1413 1414 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));1415 1416 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;1417 gb_cmd.header.size = cmd->header.size;1418 gb_cmd.body.cid = cmd->body.cid;1419 gb_cmd.body.type = cmd->body.type;1420 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;1421 gb_cmd.body.offset = cmd->body.guestResult.offset;1422 1423 memcpy(cmd, &gb_cmd, sizeof(*cmd));1424 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);1425 }1426 1427 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);1428 if (unlikely(ret != 0))1429 return ret;1430 1431 ret = vmw_translate_guest_ptr(dev_priv, sw_context,1432 &cmd->body.guestResult, &vmw_bo);1433 if (unlikely(ret != 0))1434 return ret;1435 1436 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);1437 1438 return ret;1439}1440 1441/**1442 * vmw_cmd_wait_gb_query - validate SVGA_3D_CMD_WAIT_GB_QUERY command.1443 *1444 * @dev_priv: Pointer to a device private struct.1445 * @sw_context: The software context used for this command submission.1446 * @header: Pointer to the command header in the command stream.1447 */1448static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,1449 struct vmw_sw_context *sw_context,1450 SVGA3dCmdHeader *header)1451{1452 struct vmw_bo *vmw_bo;1453 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);1454 int ret;1455 1456 cmd = container_of(header, typeof(*cmd), header);1457 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);1458 if (unlikely(ret != 0))1459 return ret;1460 1461 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,1462 &vmw_bo);1463 if (unlikely(ret != 0))1464 return ret;1465 1466 return 0;1467}1468 1469/**1470 * vmw_cmd_wait_query - validate SVGA_3D_CMD_WAIT_QUERY command.1471 *1472 * @dev_priv: Pointer to a device private struct.1473 * @sw_context: The software context used for this command submission.1474 * @header: Pointer to the command header in the command stream.1475 */1476static int vmw_cmd_wait_query(struct vmw_private *dev_priv,1477 struct vmw_sw_context *sw_context,1478 SVGA3dCmdHeader *header)1479{1480 struct vmw_bo *vmw_bo;1481 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);1482 int ret;1483 1484 cmd = container_of(header, typeof(*cmd), header);1485 if (dev_priv->has_mob) {1486 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);1487 1488 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));1489 1490 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;1491 gb_cmd.header.size = cmd->header.size;1492 gb_cmd.body.cid = cmd->body.cid;1493 gb_cmd.body.type = cmd->body.type;1494 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;1495 gb_cmd.body.offset = cmd->body.guestResult.offset;1496 1497 memcpy(cmd, &gb_cmd, sizeof(*cmd));1498 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);1499 }1500 1501 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);1502 if (unlikely(ret != 0))1503 return ret;1504 1505 ret = vmw_translate_guest_ptr(dev_priv, sw_context,1506 &cmd->body.guestResult, &vmw_bo);1507 if (unlikely(ret != 0))1508 return ret;1509 1510 return 0;1511}1512 1513static int vmw_cmd_dma(struct vmw_private *dev_priv,1514 struct vmw_sw_context *sw_context,1515 SVGA3dCmdHeader *header)1516{1517 struct vmw_bo *vmw_bo = NULL;1518 struct vmw_surface *srf = NULL;1519 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA);1520 int ret;1521 SVGA3dCmdSurfaceDMASuffix *suffix;1522 uint32_t bo_size;1523 bool dirty;1524 1525 cmd = container_of(header, typeof(*cmd), header);1526 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +1527 header->size - sizeof(*suffix));1528 1529 /* Make sure device and verifier stays in sync. */1530 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {1531 VMW_DEBUG_USER("Invalid DMA suffix size.\n");1532 return -EINVAL;1533 }1534 1535 ret = vmw_translate_guest_ptr(dev_priv, sw_context,1536 &cmd->body.guest.ptr, &vmw_bo);1537 if (unlikely(ret != 0))1538 return ret;1539 1540 /* Make sure DMA doesn't cross BO boundaries. */1541 bo_size = vmw_bo->tbo.base.size;1542 if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {1543 VMW_DEBUG_USER("Invalid DMA offset.\n");1544 return -EINVAL;1545 }1546 1547 bo_size -= cmd->body.guest.ptr.offset;1548 if (unlikely(suffix->maximumOffset > bo_size))1549 suffix->maximumOffset = bo_size;1550 1551 dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ?1552 VMW_RES_DIRTY_SET : 0;1553 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1554 dirty, user_surface_converter,1555 &cmd->body.host.sid, NULL);1556 if (unlikely(ret != 0)) {1557 if (unlikely(ret != -ERESTARTSYS))1558 VMW_DEBUG_USER("could not find surface for DMA.\n");1559 return ret;1560 }1561 1562 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);1563 1564 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->tbo, header);1565 1566 return 0;1567}1568 1569static int vmw_cmd_draw(struct vmw_private *dev_priv,1570 struct vmw_sw_context *sw_context,1571 SVGA3dCmdHeader *header)1572{1573 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDrawPrimitives);1574 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(1575 (unsigned long)header + sizeof(*cmd));1576 SVGA3dPrimitiveRange *range;1577 uint32_t i;1578 uint32_t maxnum;1579 int ret;1580 1581 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);1582 if (unlikely(ret != 0))1583 return ret;1584 1585 cmd = container_of(header, typeof(*cmd), header);1586 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);1587 1588 if (unlikely(cmd->body.numVertexDecls > maxnum)) {1589 VMW_DEBUG_USER("Illegal number of vertex declarations.\n");1590 return -EINVAL;1591 }1592 1593 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {1594 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1595 VMW_RES_DIRTY_NONE,1596 user_surface_converter,1597 &decl->array.surfaceId, NULL);1598 if (unlikely(ret != 0))1599 return ret;1600 }1601 1602 maxnum = (header->size - sizeof(cmd->body) -1603 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);1604 if (unlikely(cmd->body.numRanges > maxnum)) {1605 VMW_DEBUG_USER("Illegal number of index ranges.\n");1606 return -EINVAL;1607 }1608 1609 range = (SVGA3dPrimitiveRange *) decl;1610 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {1611 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1612 VMW_RES_DIRTY_NONE,1613 user_surface_converter,1614 &range->indexArray.surfaceId, NULL);1615 if (unlikely(ret != 0))1616 return ret;1617 }1618 return 0;1619}1620 1621static int vmw_cmd_tex_state(struct vmw_private *dev_priv,1622 struct vmw_sw_context *sw_context,1623 SVGA3dCmdHeader *header)1624{1625 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetTextureState);1626 SVGA3dTextureState *last_state = (SVGA3dTextureState *)1627 ((unsigned long) header + header->size + sizeof(*header));1628 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)1629 ((unsigned long) header + sizeof(*cmd));1630 struct vmw_resource *ctx;1631 struct vmw_resource *res;1632 int ret;1633 1634 cmd = container_of(header, typeof(*cmd), header);1635 1636 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,1637 VMW_RES_DIRTY_SET, user_context_converter,1638 &cmd->body.cid, &ctx);1639 if (unlikely(ret != 0))1640 return ret;1641 1642 for (; cur_state < last_state; ++cur_state) {1643 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))1644 continue;1645 1646 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {1647 VMW_DEBUG_USER("Illegal texture/sampler unit %u.\n",1648 (unsigned int) cur_state->stage);1649 return -EINVAL;1650 }1651 1652 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1653 VMW_RES_DIRTY_NONE,1654 user_surface_converter,1655 &cur_state->value, &res);1656 if (unlikely(ret != 0))1657 return ret;1658 1659 if (dev_priv->has_mob) {1660 struct vmw_ctx_bindinfo_tex binding;1661 struct vmw_ctx_validation_info *node;1662 1663 node = vmw_execbuf_info_from_res(sw_context, ctx);1664 if (!node)1665 return -EINVAL;1666 1667 binding.bi.ctx = ctx;1668 binding.bi.res = res;1669 binding.bi.bt = vmw_ctx_binding_tex;1670 binding.texture_stage = cur_state->stage;1671 vmw_binding_add(node->staged, &binding.bi, 0,1672 binding.texture_stage);1673 }1674 }1675 1676 return 0;1677}1678 1679static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,1680 struct vmw_sw_context *sw_context,1681 void *buf)1682{1683 struct vmw_bo *vmw_bo;1684 1685 struct {1686 uint32_t header;1687 SVGAFifoCmdDefineGMRFB body;1688 } *cmd = buf;1689 1690 return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,1691 &vmw_bo);1692}1693 1694/**1695 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer1696 * switching1697 *1698 * @dev_priv: Pointer to a device private struct.1699 * @sw_context: The software context being used for this batch.1700 * @res: Pointer to the resource.1701 * @buf_id: Pointer to the user-space backup buffer handle in the command1702 * stream.1703 * @backup_offset: Offset of backup into MOB.1704 *1705 * This function prepares for registering a switch of backup buffers in the1706 * resource metadata just prior to unreserving. It's basically a wrapper around1707 * vmw_cmd_res_switch_backup with a different interface.1708 */1709static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,1710 struct vmw_sw_context *sw_context,1711 struct vmw_resource *res, uint32_t *buf_id,1712 unsigned long backup_offset)1713{1714 struct vmw_bo *vbo;1715 void *info;1716 int ret;1717 1718 info = vmw_execbuf_info_from_res(sw_context, res);1719 if (!info)1720 return -EINVAL;1721 1722 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);1723 if (ret)1724 return ret;1725 1726 vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,1727 backup_offset);1728 return 0;1729}1730 1731/**1732 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching1733 *1734 * @dev_priv: Pointer to a device private struct.1735 * @sw_context: The software context being used for this batch.1736 * @res_type: The resource type.1737 * @converter: Information about user-space binding for this resource type.1738 * @res_id: Pointer to the user-space resource handle in the command stream.1739 * @buf_id: Pointer to the user-space backup buffer handle in the command1740 * stream.1741 * @backup_offset: Offset of backup into MOB.1742 *1743 * This function prepares for registering a switch of backup buffers in the1744 * resource metadata just prior to unreserving. It's basically a wrapper around1745 * vmw_cmd_res_switch_backup with a different interface.1746 */1747static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,1748 struct vmw_sw_context *sw_context,1749 enum vmw_res_type res_type,1750 const struct vmw_user_resource_conv1751 *converter, uint32_t *res_id, uint32_t *buf_id,1752 unsigned long backup_offset)1753{1754 struct vmw_resource *res;1755 int ret;1756 1757 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,1758 VMW_RES_DIRTY_NONE, converter, res_id, &res);1759 if (ret)1760 return ret;1761 1762 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,1763 backup_offset);1764}1765 1766/**1767 * vmw_cmd_bind_gb_surface - Validate SVGA_3D_CMD_BIND_GB_SURFACE command1768 *1769 * @dev_priv: Pointer to a device private struct.1770 * @sw_context: The software context being used for this batch.1771 * @header: Pointer to the command header in the command stream.1772 */1773static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,1774 struct vmw_sw_context *sw_context,1775 SVGA3dCmdHeader *header)1776{1777 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =1778 container_of(header, typeof(*cmd), header);1779 1780 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,1781 user_surface_converter, &cmd->body.sid,1782 &cmd->body.mobid, 0);1783}1784 1785/**1786 * vmw_cmd_update_gb_image - Validate SVGA_3D_CMD_UPDATE_GB_IMAGE command1787 *1788 * @dev_priv: Pointer to a device private struct.1789 * @sw_context: The software context being used for this batch.1790 * @header: Pointer to the command header in the command stream.1791 */1792static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,1793 struct vmw_sw_context *sw_context,1794 SVGA3dCmdHeader *header)1795{1796 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =1797 container_of(header, typeof(*cmd), header);1798 1799 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1800 VMW_RES_DIRTY_NONE, user_surface_converter,1801 &cmd->body.image.sid, NULL);1802}1803 1804/**1805 * vmw_cmd_update_gb_surface - Validate SVGA_3D_CMD_UPDATE_GB_SURFACE command1806 *1807 * @dev_priv: Pointer to a device private struct.1808 * @sw_context: The software context being used for this batch.1809 * @header: Pointer to the command header in the command stream.1810 */1811static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,1812 struct vmw_sw_context *sw_context,1813 SVGA3dCmdHeader *header)1814{1815 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =1816 container_of(header, typeof(*cmd), header);1817 1818 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1819 VMW_RES_DIRTY_CLEAR, user_surface_converter,1820 &cmd->body.sid, NULL);1821}1822 1823/**1824 * vmw_cmd_readback_gb_image - Validate SVGA_3D_CMD_READBACK_GB_IMAGE command1825 *1826 * @dev_priv: Pointer to a device private struct.1827 * @sw_context: The software context being used for this batch.1828 * @header: Pointer to the command header in the command stream.1829 */1830static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,1831 struct vmw_sw_context *sw_context,1832 SVGA3dCmdHeader *header)1833{1834 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =1835 container_of(header, typeof(*cmd), header);1836 1837 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1838 VMW_RES_DIRTY_NONE, user_surface_converter,1839 &cmd->body.image.sid, NULL);1840}1841 1842/**1843 * vmw_cmd_readback_gb_surface - Validate SVGA_3D_CMD_READBACK_GB_SURFACE1844 * command1845 *1846 * @dev_priv: Pointer to a device private struct.1847 * @sw_context: The software context being used for this batch.1848 * @header: Pointer to the command header in the command stream.1849 */1850static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,1851 struct vmw_sw_context *sw_context,1852 SVGA3dCmdHeader *header)1853{1854 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =1855 container_of(header, typeof(*cmd), header);1856 1857 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1858 VMW_RES_DIRTY_CLEAR, user_surface_converter,1859 &cmd->body.sid, NULL);1860}1861 1862/**1863 * vmw_cmd_invalidate_gb_image - Validate SVGA_3D_CMD_INVALIDATE_GB_IMAGE1864 * command1865 *1866 * @dev_priv: Pointer to a device private struct.1867 * @sw_context: The software context being used for this batch.1868 * @header: Pointer to the command header in the command stream.1869 */1870static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,1871 struct vmw_sw_context *sw_context,1872 SVGA3dCmdHeader *header)1873{1874 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =1875 container_of(header, typeof(*cmd), header);1876 1877 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1878 VMW_RES_DIRTY_NONE, user_surface_converter,1879 &cmd->body.image.sid, NULL);1880}1881 1882/**1883 * vmw_cmd_invalidate_gb_surface - Validate SVGA_3D_CMD_INVALIDATE_GB_SURFACE1884 * command1885 *1886 * @dev_priv: Pointer to a device private struct.1887 * @sw_context: The software context being used for this batch.1888 * @header: Pointer to the command header in the command stream.1889 */1890static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,1891 struct vmw_sw_context *sw_context,1892 SVGA3dCmdHeader *header)1893{1894 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =1895 container_of(header, typeof(*cmd), header);1896 1897 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,1898 VMW_RES_DIRTY_CLEAR, user_surface_converter,1899 &cmd->body.sid, NULL);1900}1901 1902/**1903 * vmw_cmd_shader_define - Validate SVGA_3D_CMD_SHADER_DEFINE command1904 *1905 * @dev_priv: Pointer to a device private struct.1906 * @sw_context: The software context being used for this batch.1907 * @header: Pointer to the command header in the command stream.1908 */1909static int vmw_cmd_shader_define(struct vmw_private *dev_priv,1910 struct vmw_sw_context *sw_context,1911 SVGA3dCmdHeader *header)1912{1913 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);1914 int ret;1915 size_t size;1916 struct vmw_resource *ctx;1917 1918 cmd = container_of(header, typeof(*cmd), header);1919 1920 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,1921 VMW_RES_DIRTY_SET, user_context_converter,1922 &cmd->body.cid, &ctx);1923 if (unlikely(ret != 0))1924 return ret;1925 1926 if (unlikely(!dev_priv->has_mob))1927 return 0;1928 1929 size = cmd->header.size - sizeof(cmd->body);1930 ret = vmw_compat_shader_add(dev_priv, vmw_context_res_man(ctx),1931 cmd->body.shid, cmd + 1, cmd->body.type,1932 size, &sw_context->staged_cmd_res);1933 if (unlikely(ret != 0))1934 return ret;1935 1936 return vmw_resource_relocation_add(sw_context, NULL,1937 vmw_ptr_diff(sw_context->buf_start,1938 &cmd->header.id),1939 vmw_res_rel_nop);1940}1941 1942/**1943 * vmw_cmd_shader_destroy - Validate SVGA_3D_CMD_SHADER_DESTROY command1944 *1945 * @dev_priv: Pointer to a device private struct.1946 * @sw_context: The software context being used for this batch.1947 * @header: Pointer to the command header in the command stream.1948 */1949static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,1950 struct vmw_sw_context *sw_context,1951 SVGA3dCmdHeader *header)1952{1953 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);1954 int ret;1955 struct vmw_resource *ctx;1956 1957 cmd = container_of(header, typeof(*cmd), header);1958 1959 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,1960 VMW_RES_DIRTY_SET, user_context_converter,1961 &cmd->body.cid, &ctx);1962 if (unlikely(ret != 0))1963 return ret;1964 1965 if (unlikely(!dev_priv->has_mob))1966 return 0;1967 1968 ret = vmw_shader_remove(vmw_context_res_man(ctx), cmd->body.shid,1969 cmd->body.type, &sw_context->staged_cmd_res);1970 if (unlikely(ret != 0))1971 return ret;1972 1973 return vmw_resource_relocation_add(sw_context, NULL,1974 vmw_ptr_diff(sw_context->buf_start,1975 &cmd->header.id),1976 vmw_res_rel_nop);1977}1978 1979/**1980 * vmw_cmd_set_shader - Validate SVGA_3D_CMD_SET_SHADER command1981 *1982 * @dev_priv: Pointer to a device private struct.1983 * @sw_context: The software context being used for this batch.1984 * @header: Pointer to the command header in the command stream.1985 */1986static int vmw_cmd_set_shader(struct vmw_private *dev_priv,1987 struct vmw_sw_context *sw_context,1988 SVGA3dCmdHeader *header)1989{1990 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShader);1991 struct vmw_ctx_bindinfo_shader binding;1992 struct vmw_resource *ctx, *res = NULL;1993 struct vmw_ctx_validation_info *ctx_info;1994 int ret;1995 1996 cmd = container_of(header, typeof(*cmd), header);1997 1998 if (!vmw_shadertype_is_valid(VMW_SM_LEGACY, cmd->body.type)) {1999 VMW_DEBUG_USER("Illegal shader type %u.\n",2000 (unsigned int) cmd->body.type);2001 return -EINVAL;2002 }2003 2004 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,2005 VMW_RES_DIRTY_SET, user_context_converter,2006 &cmd->body.cid, &ctx);2007 if (unlikely(ret != 0))2008 return ret;2009 2010 if (!dev_priv->has_mob)2011 return 0;2012 2013 if (cmd->body.shid != SVGA3D_INVALID_ID) {2014 /*2015 * This is the compat shader path - Per device guest-backed2016 * shaders, but user-space thinks it's per context host-2017 * backed shaders.2018 */2019 res = vmw_shader_lookup(vmw_context_res_man(ctx),2020 cmd->body.shid, cmd->body.type);2021 if (!IS_ERR(res)) {2022 ret = vmw_execbuf_res_val_add(sw_context, res,2023 VMW_RES_DIRTY_NONE,2024 vmw_val_add_flag_noctx);2025 if (unlikely(ret != 0))2026 return ret;2027 2028 ret = vmw_resource_relocation_add2029 (sw_context, res,2030 vmw_ptr_diff(sw_context->buf_start,2031 &cmd->body.shid),2032 vmw_res_rel_normal);2033 if (unlikely(ret != 0))2034 return ret;2035 }2036 }2037 2038 if (IS_ERR_OR_NULL(res)) {2039 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,2040 VMW_RES_DIRTY_NONE,2041 user_shader_converter, &cmd->body.shid,2042 &res);2043 if (unlikely(ret != 0))2044 return ret;2045 }2046 2047 ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);2048 if (!ctx_info)2049 return -EINVAL;2050 2051 binding.bi.ctx = ctx;2052 binding.bi.res = res;2053 binding.bi.bt = vmw_ctx_binding_shader;2054 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;2055 vmw_binding_add(ctx_info->staged, &binding.bi, binding.shader_slot, 0);2056 2057 return 0;2058}2059 2060/**2061 * vmw_cmd_set_shader_const - Validate SVGA_3D_CMD_SET_SHADER_CONST command2062 *2063 * @dev_priv: Pointer to a device private struct.2064 * @sw_context: The software context being used for this batch.2065 * @header: Pointer to the command header in the command stream.2066 */2067static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,2068 struct vmw_sw_context *sw_context,2069 SVGA3dCmdHeader *header)2070{2071 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);2072 int ret;2073 2074 cmd = container_of(header, typeof(*cmd), header);2075 2076 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,2077 VMW_RES_DIRTY_SET, user_context_converter,2078 &cmd->body.cid, NULL);2079 if (unlikely(ret != 0))2080 return ret;2081 2082 if (dev_priv->has_mob)2083 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;2084 2085 return 0;2086}2087 2088/**2089 * vmw_cmd_bind_gb_shader - Validate SVGA_3D_CMD_BIND_GB_SHADER command2090 *2091 * @dev_priv: Pointer to a device private struct.2092 * @sw_context: The software context being used for this batch.2093 * @header: Pointer to the command header in the command stream.2094 */2095static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,2096 struct vmw_sw_context *sw_context,2097 SVGA3dCmdHeader *header)2098{2099 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =2100 container_of(header, typeof(*cmd), header);2101 2102 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,2103 user_shader_converter, &cmd->body.shid,2104 &cmd->body.mobid, cmd->body.offsetInBytes);2105}2106 2107/**2108 * vmw_cmd_dx_set_single_constant_buffer - Validate2109 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.2110 *2111 * @dev_priv: Pointer to a device private struct.2112 * @sw_context: The software context being used for this batch.2113 * @header: Pointer to the command header in the command stream.2114 */2115static int2116vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,2117 struct vmw_sw_context *sw_context,2118 SVGA3dCmdHeader *header)2119{2120 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer);2121 2122 struct vmw_resource *res = NULL;2123 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2124 struct vmw_ctx_bindinfo_cb binding;2125 int ret;2126 2127 if (!ctx_node)2128 return -EINVAL;2129 2130 cmd = container_of(header, typeof(*cmd), header);2131 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2132 VMW_RES_DIRTY_NONE, user_surface_converter,2133 &cmd->body.sid, &res);2134 if (unlikely(ret != 0))2135 return ret;2136 2137 if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type) ||2138 cmd->body.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {2139 VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n",2140 (unsigned int) cmd->body.type,2141 (unsigned int) cmd->body.slot);2142 return -EINVAL;2143 }2144 2145 binding.bi.ctx = ctx_node->ctx;2146 binding.bi.res = res;2147 binding.bi.bt = vmw_ctx_binding_cb;2148 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;2149 binding.offset = cmd->body.offsetInBytes;2150 binding.size = cmd->body.sizeInBytes;2151 binding.slot = cmd->body.slot;2152 2153 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,2154 binding.slot);2155 2156 return 0;2157}2158 2159/**2160 * vmw_cmd_dx_set_constant_buffer_offset - Validate2161 * SVGA_3D_CMD_DX_SET_VS/PS/GS/HS/DS/CS_CONSTANT_BUFFER_OFFSET command.2162 *2163 * @dev_priv: Pointer to a device private struct.2164 * @sw_context: The software context being used for this batch.2165 * @header: Pointer to the command header in the command stream.2166 */2167static int2168vmw_cmd_dx_set_constant_buffer_offset(struct vmw_private *dev_priv,2169 struct vmw_sw_context *sw_context,2170 SVGA3dCmdHeader *header)2171{2172 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetConstantBufferOffset);2173 2174 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2175 u32 shader_slot;2176 2177 if (!has_sm5_context(dev_priv))2178 return -EINVAL;2179 2180 if (!ctx_node)2181 return -EINVAL;2182 2183 cmd = container_of(header, typeof(*cmd), header);2184 if (cmd->body.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {2185 VMW_DEBUG_USER("Illegal const buffer slot %u.\n",2186 (unsigned int) cmd->body.slot);2187 return -EINVAL;2188 }2189 2190 shader_slot = cmd->header.id - SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET;2191 vmw_binding_cb_offset_update(ctx_node->staged, shader_slot,2192 cmd->body.slot, cmd->body.offsetInBytes);2193 2194 return 0;2195}2196 2197/**2198 * vmw_cmd_dx_set_shader_res - Validate SVGA_3D_CMD_DX_SET_SHADER_RESOURCES2199 * command2200 *2201 * @dev_priv: Pointer to a device private struct.2202 * @sw_context: The software context being used for this batch.2203 * @header: Pointer to the command header in the command stream.2204 */2205static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,2206 struct vmw_sw_context *sw_context,2207 SVGA3dCmdHeader *header)2208{2209 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) =2210 container_of(header, typeof(*cmd), header);2211 2212 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /2213 sizeof(SVGA3dShaderResourceViewId);2214 2215 if ((u64) cmd->body.startView + (u64) num_sr_view >2216 (u64) SVGA3D_DX_MAX_SRVIEWS ||2217 !vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) {2218 VMW_DEBUG_USER("Invalid shader binding.\n");2219 return -EINVAL;2220 }2221 2222 return vmw_view_bindings_add(sw_context, vmw_view_sr,2223 vmw_ctx_binding_sr,2224 cmd->body.type - SVGA3D_SHADERTYPE_MIN,2225 (void *) &cmd[1], num_sr_view,2226 cmd->body.startView);2227}2228 2229/**2230 * vmw_cmd_dx_set_shader - Validate SVGA_3D_CMD_DX_SET_SHADER command2231 *2232 * @dev_priv: Pointer to a device private struct.2233 * @sw_context: The software context being used for this batch.2234 * @header: Pointer to the command header in the command stream.2235 */2236static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,2237 struct vmw_sw_context *sw_context,2238 SVGA3dCmdHeader *header)2239{2240 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader);2241 struct vmw_resource *res = NULL;2242 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2243 struct vmw_ctx_bindinfo_shader binding;2244 int ret = 0;2245 2246 if (!ctx_node)2247 return -EINVAL;2248 2249 cmd = container_of(header, typeof(*cmd), header);2250 2251 if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) {2252 VMW_DEBUG_USER("Illegal shader type %u.\n",2253 (unsigned int) cmd->body.type);2254 return -EINVAL;2255 }2256 2257 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {2258 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);2259 if (IS_ERR(res)) {2260 VMW_DEBUG_USER("Could not find shader for binding.\n");2261 return PTR_ERR(res);2262 }2263 2264 ret = vmw_execbuf_res_val_add(sw_context, res,2265 VMW_RES_DIRTY_NONE,2266 vmw_val_add_flag_noctx);2267 if (ret)2268 return ret;2269 }2270 2271 binding.bi.ctx = ctx_node->ctx;2272 binding.bi.res = res;2273 binding.bi.bt = vmw_ctx_binding_dx_shader;2274 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;2275 2276 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, 0);2277 2278 return 0;2279}2280 2281/**2282 * vmw_cmd_dx_set_vertex_buffers - Validates SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS2283 * command2284 *2285 * @dev_priv: Pointer to a device private struct.2286 * @sw_context: The software context being used for this batch.2287 * @header: Pointer to the command header in the command stream.2288 */2289static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,2290 struct vmw_sw_context *sw_context,2291 SVGA3dCmdHeader *header)2292{2293 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2294 struct vmw_ctx_bindinfo_vb binding;2295 struct vmw_resource *res;2296 struct {2297 SVGA3dCmdHeader header;2298 SVGA3dCmdDXSetVertexBuffers body;2299 SVGA3dVertexBuffer buf[];2300 } *cmd;2301 int i, ret, num;2302 2303 if (!ctx_node)2304 return -EINVAL;2305 2306 cmd = container_of(header, typeof(*cmd), header);2307 num = (cmd->header.size - sizeof(cmd->body)) /2308 sizeof(SVGA3dVertexBuffer);2309 if ((u64)num + (u64)cmd->body.startBuffer >2310 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {2311 VMW_DEBUG_USER("Invalid number of vertex buffers.\n");2312 return -EINVAL;2313 }2314 2315 for (i = 0; i < num; i++) {2316 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2317 VMW_RES_DIRTY_NONE,2318 user_surface_converter,2319 &cmd->buf[i].sid, &res);2320 if (unlikely(ret != 0))2321 return ret;2322 2323 binding.bi.ctx = ctx_node->ctx;2324 binding.bi.bt = vmw_ctx_binding_vb;2325 binding.bi.res = res;2326 binding.offset = cmd->buf[i].offset;2327 binding.stride = cmd->buf[i].stride;2328 binding.slot = i + cmd->body.startBuffer;2329 2330 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);2331 }2332 2333 return 0;2334}2335 2336/**2337 * vmw_cmd_dx_set_index_buffer - Validate2338 * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.2339 *2340 * @dev_priv: Pointer to a device private struct.2341 * @sw_context: The software context being used for this batch.2342 * @header: Pointer to the command header in the command stream.2343 */2344static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,2345 struct vmw_sw_context *sw_context,2346 SVGA3dCmdHeader *header)2347{2348 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2349 struct vmw_ctx_bindinfo_ib binding;2350 struct vmw_resource *res;2351 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetIndexBuffer);2352 int ret;2353 2354 if (!ctx_node)2355 return -EINVAL;2356 2357 cmd = container_of(header, typeof(*cmd), header);2358 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2359 VMW_RES_DIRTY_NONE, user_surface_converter,2360 &cmd->body.sid, &res);2361 if (unlikely(ret != 0))2362 return ret;2363 2364 binding.bi.ctx = ctx_node->ctx;2365 binding.bi.res = res;2366 binding.bi.bt = vmw_ctx_binding_ib;2367 binding.offset = cmd->body.offset;2368 binding.format = cmd->body.format;2369 2370 vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);2371 2372 return 0;2373}2374 2375/**2376 * vmw_cmd_dx_set_rendertargets - Validate SVGA_3D_CMD_DX_SET_RENDERTARGETS2377 * command2378 *2379 * @dev_priv: Pointer to a device private struct.2380 * @sw_context: The software context being used for this batch.2381 * @header: Pointer to the command header in the command stream.2382 */2383static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,2384 struct vmw_sw_context *sw_context,2385 SVGA3dCmdHeader *header)2386{2387 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetRenderTargets) =2388 container_of(header, typeof(*cmd), header);2389 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /2390 sizeof(SVGA3dRenderTargetViewId);2391 int ret;2392 2393 if (num_rt_view > SVGA3D_DX_MAX_RENDER_TARGETS) {2394 VMW_DEBUG_USER("Invalid DX Rendertarget binding.\n");2395 return -EINVAL;2396 }2397 2398 ret = vmw_view_bindings_add(sw_context, vmw_view_ds, vmw_ctx_binding_ds,2399 0, &cmd->body.depthStencilViewId, 1, 0);2400 if (ret)2401 return ret;2402 2403 return vmw_view_bindings_add(sw_context, vmw_view_rt,2404 vmw_ctx_binding_dx_rt, 0, (void *)&cmd[1],2405 num_rt_view, 0);2406}2407 2408/**2409 * vmw_cmd_dx_clear_rendertarget_view - Validate2410 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command2411 *2412 * @dev_priv: Pointer to a device private struct.2413 * @sw_context: The software context being used for this batch.2414 * @header: Pointer to the command header in the command stream.2415 */2416static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,2417 struct vmw_sw_context *sw_context,2418 SVGA3dCmdHeader *header)2419{2420 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =2421 container_of(header, typeof(*cmd), header);2422 struct vmw_resource *ret;2423 2424 ret = vmw_view_id_val_add(sw_context, vmw_view_rt,2425 cmd->body.renderTargetViewId);2426 2427 return PTR_ERR_OR_ZERO(ret);2428}2429 2430/**2431 * vmw_cmd_dx_clear_depthstencil_view - Validate2432 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command2433 *2434 * @dev_priv: Pointer to a device private struct.2435 * @sw_context: The software context being used for this batch.2436 * @header: Pointer to the command header in the command stream.2437 */2438static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,2439 struct vmw_sw_context *sw_context,2440 SVGA3dCmdHeader *header)2441{2442 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =2443 container_of(header, typeof(*cmd), header);2444 struct vmw_resource *ret;2445 2446 ret = vmw_view_id_val_add(sw_context, vmw_view_ds,2447 cmd->body.depthStencilViewId);2448 2449 return PTR_ERR_OR_ZERO(ret);2450}2451 2452static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,2453 struct vmw_sw_context *sw_context,2454 SVGA3dCmdHeader *header)2455{2456 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2457 struct vmw_resource *srf;2458 struct vmw_resource *res;2459 enum vmw_view_type view_type;2460 int ret;2461 /*2462 * This is based on the fact that all affected define commands have the2463 * same initial command body layout.2464 */2465 struct {2466 SVGA3dCmdHeader header;2467 uint32 defined_id;2468 uint32 sid;2469 } *cmd;2470 2471 if (!ctx_node)2472 return -EINVAL;2473 2474 view_type = vmw_view_cmd_to_type(header->id);2475 if (view_type == vmw_view_max)2476 return -EINVAL;2477 2478 cmd = container_of(header, typeof(*cmd), header);2479 if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {2480 VMW_DEBUG_USER("Invalid surface id.\n");2481 return -EINVAL;2482 }2483 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2484 VMW_RES_DIRTY_NONE, user_surface_converter,2485 &cmd->sid, &srf);2486 if (unlikely(ret != 0))2487 return ret;2488 2489 res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);2490 if (IS_ERR_OR_NULL(res))2491 return res ? PTR_ERR(res) : -EINVAL;2492 ret = vmw_cotable_notify(res, cmd->defined_id);2493 if (unlikely(ret != 0))2494 return ret;2495 2496 return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,2497 cmd->defined_id, header,2498 header->size + sizeof(*header),2499 &sw_context->staged_cmd_res);2500}2501 2502/**2503 * vmw_cmd_dx_set_so_targets - Validate SVGA_3D_CMD_DX_SET_SOTARGETS command.2504 *2505 * @dev_priv: Pointer to a device private struct.2506 * @sw_context: The software context being used for this batch.2507 * @header: Pointer to the command header in the command stream.2508 */2509static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,2510 struct vmw_sw_context *sw_context,2511 SVGA3dCmdHeader *header)2512{2513 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2514 struct vmw_ctx_bindinfo_so_target binding;2515 struct vmw_resource *res;2516 struct {2517 SVGA3dCmdHeader header;2518 SVGA3dCmdDXSetSOTargets body;2519 SVGA3dSoTarget targets[];2520 } *cmd;2521 int i, ret, num;2522 2523 if (!ctx_node)2524 return -EINVAL;2525 2526 cmd = container_of(header, typeof(*cmd), header);2527 num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);2528 2529 if (num > SVGA3D_DX_MAX_SOTARGETS) {2530 VMW_DEBUG_USER("Invalid DX SO binding.\n");2531 return -EINVAL;2532 }2533 2534 for (i = 0; i < num; i++) {2535 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2536 VMW_RES_DIRTY_SET,2537 user_surface_converter,2538 &cmd->targets[i].sid, &res);2539 if (unlikely(ret != 0))2540 return ret;2541 2542 binding.bi.ctx = ctx_node->ctx;2543 binding.bi.res = res;2544 binding.bi.bt = vmw_ctx_binding_so_target;2545 binding.offset = cmd->targets[i].offset;2546 binding.size = cmd->targets[i].sizeInBytes;2547 binding.slot = i;2548 2549 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);2550 }2551 2552 return 0;2553}2554 2555static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,2556 struct vmw_sw_context *sw_context,2557 SVGA3dCmdHeader *header)2558{2559 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2560 struct vmw_resource *res;2561 /*2562 * This is based on the fact that all affected define commands have2563 * the same initial command body layout.2564 */2565 struct {2566 SVGA3dCmdHeader header;2567 uint32 defined_id;2568 } *cmd;2569 enum vmw_so_type so_type;2570 int ret;2571 2572 if (!ctx_node)2573 return -EINVAL;2574 2575 so_type = vmw_so_cmd_to_type(header->id);2576 res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);2577 if (IS_ERR_OR_NULL(res))2578 return res ? PTR_ERR(res) : -EINVAL;2579 cmd = container_of(header, typeof(*cmd), header);2580 ret = vmw_cotable_notify(res, cmd->defined_id);2581 2582 return ret;2583}2584 2585/**2586 * vmw_cmd_dx_check_subresource - Validate SVGA_3D_CMD_DX_[X]_SUBRESOURCE2587 * command2588 *2589 * @dev_priv: Pointer to a device private struct.2590 * @sw_context: The software context being used for this batch.2591 * @header: Pointer to the command header in the command stream.2592 */2593static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,2594 struct vmw_sw_context *sw_context,2595 SVGA3dCmdHeader *header)2596{2597 struct {2598 SVGA3dCmdHeader header;2599 union {2600 SVGA3dCmdDXReadbackSubResource r_body;2601 SVGA3dCmdDXInvalidateSubResource i_body;2602 SVGA3dCmdDXUpdateSubResource u_body;2603 SVGA3dSurfaceId sid;2604 };2605 } *cmd;2606 2607 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=2608 offsetof(typeof(*cmd), sid));2609 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=2610 offsetof(typeof(*cmd), sid));2611 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=2612 offsetof(typeof(*cmd), sid));2613 2614 cmd = container_of(header, typeof(*cmd), header);2615 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2616 VMW_RES_DIRTY_NONE, user_surface_converter,2617 &cmd->sid, NULL);2618}2619 2620static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,2621 struct vmw_sw_context *sw_context,2622 SVGA3dCmdHeader *header)2623{2624 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2625 2626 if (!ctx_node)2627 return -EINVAL;2628 2629 return 0;2630}2631 2632/**2633 * vmw_cmd_dx_view_remove - validate a view remove command and schedule the view2634 * resource for removal.2635 *2636 * @dev_priv: Pointer to a device private struct.2637 * @sw_context: The software context being used for this batch.2638 * @header: Pointer to the command header in the command stream.2639 *2640 * Check that the view exists, and if it was not created using this command2641 * batch, conditionally make this command a NOP.2642 */2643static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,2644 struct vmw_sw_context *sw_context,2645 SVGA3dCmdHeader *header)2646{2647 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2648 struct {2649 SVGA3dCmdHeader header;2650 union vmw_view_destroy body;2651 } *cmd = container_of(header, typeof(*cmd), header);2652 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);2653 struct vmw_resource *view;2654 int ret;2655 2656 if (!ctx_node)2657 return -EINVAL;2658 2659 ret = vmw_view_remove(sw_context->man, cmd->body.view_id, view_type,2660 &sw_context->staged_cmd_res, &view);2661 if (ret || !view)2662 return ret;2663 2664 /*2665 * If the view wasn't created during this command batch, it might2666 * have been removed due to a context swapout, so add a2667 * relocation to conditionally make this command a NOP to avoid2668 * device errors.2669 */2670 return vmw_resource_relocation_add(sw_context, view,2671 vmw_ptr_diff(sw_context->buf_start,2672 &cmd->header.id),2673 vmw_res_rel_cond_nop);2674}2675 2676/**2677 * vmw_cmd_dx_define_shader - Validate SVGA_3D_CMD_DX_DEFINE_SHADER command2678 *2679 * @dev_priv: Pointer to a device private struct.2680 * @sw_context: The software context being used for this batch.2681 * @header: Pointer to the command header in the command stream.2682 */2683static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,2684 struct vmw_sw_context *sw_context,2685 SVGA3dCmdHeader *header)2686{2687 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2688 struct vmw_resource *res;2689 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =2690 container_of(header, typeof(*cmd), header);2691 int ret;2692 2693 if (!ctx_node)2694 return -EINVAL;2695 2696 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);2697 if (IS_ERR_OR_NULL(res))2698 return res ? PTR_ERR(res) : -EINVAL;2699 ret = vmw_cotable_notify(res, cmd->body.shaderId);2700 if (ret)2701 return ret;2702 2703 return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,2704 cmd->body.shaderId, cmd->body.type,2705 &sw_context->staged_cmd_res);2706}2707 2708/**2709 * vmw_cmd_dx_destroy_shader - Validate SVGA_3D_CMD_DX_DESTROY_SHADER command2710 *2711 * @dev_priv: Pointer to a device private struct.2712 * @sw_context: The software context being used for this batch.2713 * @header: Pointer to the command header in the command stream.2714 */2715static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,2716 struct vmw_sw_context *sw_context,2717 SVGA3dCmdHeader *header)2718{2719 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);2720 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =2721 container_of(header, typeof(*cmd), header);2722 int ret;2723 2724 if (!ctx_node)2725 return -EINVAL;2726 2727 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,2728 &sw_context->staged_cmd_res);2729 2730 return ret;2731}2732 2733/**2734 * vmw_cmd_dx_bind_shader - Validate SVGA_3D_CMD_DX_BIND_SHADER command2735 *2736 * @dev_priv: Pointer to a device private struct.2737 * @sw_context: The software context being used for this batch.2738 * @header: Pointer to the command header in the command stream.2739 */2740static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,2741 struct vmw_sw_context *sw_context,2742 SVGA3dCmdHeader *header)2743{2744 struct vmw_resource *ctx;2745 struct vmw_resource *res;2746 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =2747 container_of(header, typeof(*cmd), header);2748 int ret;2749 2750 if (cmd->body.cid != SVGA3D_INVALID_ID) {2751 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,2752 VMW_RES_DIRTY_SET,2753 user_context_converter, &cmd->body.cid,2754 &ctx);2755 if (ret)2756 return ret;2757 } else {2758 struct vmw_ctx_validation_info *ctx_node =2759 VMW_GET_CTX_NODE(sw_context);2760 2761 if (!ctx_node)2762 return -EINVAL;2763 2764 ctx = ctx_node->ctx;2765 }2766 2767 res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);2768 if (IS_ERR(res)) {2769 VMW_DEBUG_USER("Could not find shader to bind.\n");2770 return PTR_ERR(res);2771 }2772 2773 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,2774 vmw_val_add_flag_noctx);2775 if (ret) {2776 VMW_DEBUG_USER("Error creating resource validation node.\n");2777 return ret;2778 }2779 2780 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,2781 &cmd->body.mobid,2782 cmd->body.offsetInBytes);2783}2784 2785/**2786 * vmw_cmd_dx_genmips - Validate SVGA_3D_CMD_DX_GENMIPS command2787 *2788 * @dev_priv: Pointer to a device private struct.2789 * @sw_context: The software context being used for this batch.2790 * @header: Pointer to the command header in the command stream.2791 */2792static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,2793 struct vmw_sw_context *sw_context,2794 SVGA3dCmdHeader *header)2795{2796 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =2797 container_of(header, typeof(*cmd), header);2798 struct vmw_resource *view;2799 struct vmw_res_cache_entry *rcache;2800 2801 view = vmw_view_id_val_add(sw_context, vmw_view_sr,2802 cmd->body.shaderResourceViewId);2803 if (IS_ERR(view))2804 return PTR_ERR(view);2805 2806 /*2807 * Normally the shader-resource view is not gpu-dirtying, but for2808 * this particular command it is...2809 * So mark the last looked-up surface, which is the surface2810 * the view points to, gpu-dirty.2811 */2812 rcache = &sw_context->res_cache[vmw_res_surface];2813 vmw_validation_res_set_dirty(sw_context->ctx, rcache->private,2814 VMW_RES_DIRTY_SET);2815 return 0;2816}2817 2818/**2819 * vmw_cmd_dx_transfer_from_buffer - Validate2820 * SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command2821 *2822 * @dev_priv: Pointer to a device private struct.2823 * @sw_context: The software context being used for this batch.2824 * @header: Pointer to the command header in the command stream.2825 */2826static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,2827 struct vmw_sw_context *sw_context,2828 SVGA3dCmdHeader *header)2829{2830 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =2831 container_of(header, typeof(*cmd), header);2832 int ret;2833 2834 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2835 VMW_RES_DIRTY_NONE, user_surface_converter,2836 &cmd->body.srcSid, NULL);2837 if (ret != 0)2838 return ret;2839 2840 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2841 VMW_RES_DIRTY_SET, user_surface_converter,2842 &cmd->body.destSid, NULL);2843}2844 2845/**2846 * vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY command2847 *2848 * @dev_priv: Pointer to a device private struct.2849 * @sw_context: The software context being used for this batch.2850 * @header: Pointer to the command header in the command stream.2851 */2852static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,2853 struct vmw_sw_context *sw_context,2854 SVGA3dCmdHeader *header)2855{2856 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =2857 container_of(header, typeof(*cmd), header);2858 2859 if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))2860 return -EINVAL;2861 2862 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,2863 VMW_RES_DIRTY_SET, user_surface_converter,2864 &cmd->body.surface.sid, NULL);2865}2866 2867static int vmw_cmd_sm5(struct vmw_private *dev_priv,2868 struct vmw_sw_context *sw_context,2869 SVGA3dCmdHeader *header)2870{2871 if (!has_sm5_context(dev_priv))2872 return -EINVAL;2873 2874 return 0;2875}2876 2877static int vmw_cmd_sm5_view_define(struct vmw_private *dev_priv,2878 struct vmw_sw_context *sw_context,2879 SVGA3dCmdHeader *header)2880{2881 if (!has_sm5_context(dev_priv))2882 return -EINVAL;2883 2884 return vmw_cmd_dx_view_define(dev_priv, sw_context, header);2885}2886 2887static int vmw_cmd_sm5_view_remove(struct vmw_private *dev_priv,2888 struct vmw_sw_context *sw_context,2889 SVGA3dCmdHeader *header)2890{2891 if (!has_sm5_context(dev_priv))2892 return -EINVAL;2893 2894 return vmw_cmd_dx_view_remove(dev_priv, sw_context, header);2895}2896 2897static int vmw_cmd_clear_uav_uint(struct vmw_private *dev_priv,2898 struct vmw_sw_context *sw_context,2899 SVGA3dCmdHeader *header)2900{2901 struct {2902 SVGA3dCmdHeader header;2903 SVGA3dCmdDXClearUAViewUint body;2904 } *cmd = container_of(header, typeof(*cmd), header);2905 struct vmw_resource *ret;2906 2907 if (!has_sm5_context(dev_priv))2908 return -EINVAL;2909 2910 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,2911 cmd->body.uaViewId);2912 2913 return PTR_ERR_OR_ZERO(ret);2914}2915 2916static int vmw_cmd_clear_uav_float(struct vmw_private *dev_priv,2917 struct vmw_sw_context *sw_context,2918 SVGA3dCmdHeader *header)2919{2920 struct {2921 SVGA3dCmdHeader header;2922 SVGA3dCmdDXClearUAViewFloat body;2923 } *cmd = container_of(header, typeof(*cmd), header);2924 struct vmw_resource *ret;2925 2926 if (!has_sm5_context(dev_priv))2927 return -EINVAL;2928 2929 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,2930 cmd->body.uaViewId);2931 2932 return PTR_ERR_OR_ZERO(ret);2933}2934 2935static int vmw_cmd_set_uav(struct vmw_private *dev_priv,2936 struct vmw_sw_context *sw_context,2937 SVGA3dCmdHeader *header)2938{2939 struct {2940 SVGA3dCmdHeader header;2941 SVGA3dCmdDXSetUAViews body;2942 } *cmd = container_of(header, typeof(*cmd), header);2943 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /2944 sizeof(SVGA3dUAViewId);2945 int ret;2946 2947 if (!has_sm5_context(dev_priv))2948 return -EINVAL;2949 2950 if (num_uav > vmw_max_num_uavs(dev_priv)) {2951 VMW_DEBUG_USER("Invalid UAV binding.\n");2952 return -EINVAL;2953 }2954 2955 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,2956 vmw_ctx_binding_uav, 0, (void *)&cmd[1],2957 num_uav, 0);2958 if (ret)2959 return ret;2960 2961 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 0,2962 cmd->body.uavSpliceIndex);2963 2964 return ret;2965}2966 2967static int vmw_cmd_set_cs_uav(struct vmw_private *dev_priv,2968 struct vmw_sw_context *sw_context,2969 SVGA3dCmdHeader *header)2970{2971 struct {2972 SVGA3dCmdHeader header;2973 SVGA3dCmdDXSetCSUAViews body;2974 } *cmd = container_of(header, typeof(*cmd), header);2975 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /2976 sizeof(SVGA3dUAViewId);2977 int ret;2978 2979 if (!has_sm5_context(dev_priv))2980 return -EINVAL;2981 2982 if (num_uav > vmw_max_num_uavs(dev_priv)) {2983 VMW_DEBUG_USER("Invalid UAV binding.\n");2984 return -EINVAL;2985 }2986 2987 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,2988 vmw_ctx_binding_cs_uav, 0, (void *)&cmd[1],2989 num_uav, 0);2990 if (ret)2991 return ret;2992 2993 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 1,2994 cmd->body.startIndex);2995 2996 return ret;2997}2998 2999static int vmw_cmd_dx_define_streamoutput(struct vmw_private *dev_priv,3000 struct vmw_sw_context *sw_context,3001 SVGA3dCmdHeader *header)3002{3003 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;3004 struct vmw_resource *res;3005 struct {3006 SVGA3dCmdHeader header;3007 SVGA3dCmdDXDefineStreamOutputWithMob body;3008 } *cmd = container_of(header, typeof(*cmd), header);3009 int ret;3010 3011 if (!has_sm5_context(dev_priv))3012 return -EINVAL;3013 3014 if (!ctx_node) {3015 DRM_ERROR("DX Context not set.\n");3016 return -EINVAL;3017 }3018 3019 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_STREAMOUTPUT);3020 if (IS_ERR_OR_NULL(res))3021 return res ? PTR_ERR(res) : -EINVAL;3022 ret = vmw_cotable_notify(res, cmd->body.soid);3023 if (ret)3024 return ret;3025 3026 return vmw_dx_streamoutput_add(sw_context->man, ctx_node->ctx,3027 cmd->body.soid,3028 &sw_context->staged_cmd_res);3029}3030 3031static int vmw_cmd_dx_destroy_streamoutput(struct vmw_private *dev_priv,3032 struct vmw_sw_context *sw_context,3033 SVGA3dCmdHeader *header)3034{3035 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;3036 struct vmw_resource *res;3037 struct {3038 SVGA3dCmdHeader header;3039 SVGA3dCmdDXDestroyStreamOutput body;3040 } *cmd = container_of(header, typeof(*cmd), header);3041 3042 if (!ctx_node) {3043 DRM_ERROR("DX Context not set.\n");3044 return -EINVAL;3045 }3046 3047 /*3048 * When device does not support SM5 then streamoutput with mob command is3049 * not available to user-space. Simply return in this case.3050 */3051 if (!has_sm5_context(dev_priv))3052 return 0;3053 3054 /*3055 * With SM5 capable device if lookup fails then user-space probably used3056 * old streamoutput define command. Return without an error.3057 */3058 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),3059 cmd->body.soid);3060 if (IS_ERR(res))3061 return 0;3062 3063 return vmw_dx_streamoutput_remove(sw_context->man, cmd->body.soid,3064 &sw_context->staged_cmd_res);3065}3066 3067static int vmw_cmd_dx_bind_streamoutput(struct vmw_private *dev_priv,3068 struct vmw_sw_context *sw_context,3069 SVGA3dCmdHeader *header)3070{3071 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;3072 struct vmw_resource *res;3073 struct {3074 SVGA3dCmdHeader header;3075 SVGA3dCmdDXBindStreamOutput body;3076 } *cmd = container_of(header, typeof(*cmd), header);3077 int ret;3078 3079 if (!has_sm5_context(dev_priv))3080 return -EINVAL;3081 3082 if (!ctx_node) {3083 DRM_ERROR("DX Context not set.\n");3084 return -EINVAL;3085 }3086 3087 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),3088 cmd->body.soid);3089 if (IS_ERR(res)) {3090 DRM_ERROR("Could not find streamoutput to bind.\n");3091 return PTR_ERR(res);3092 }3093 3094 vmw_dx_streamoutput_set_size(res, cmd->body.sizeInBytes);3095 3096 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,3097 vmw_val_add_flag_noctx);3098 if (ret) {3099 DRM_ERROR("Error creating resource validation node.\n");3100 return ret;3101 }3102 3103 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,3104 &cmd->body.mobid,3105 cmd->body.offsetInBytes);3106}3107 3108static int vmw_cmd_dx_set_streamoutput(struct vmw_private *dev_priv,3109 struct vmw_sw_context *sw_context,3110 SVGA3dCmdHeader *header)3111{3112 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;3113 struct vmw_resource *res;3114 struct vmw_ctx_bindinfo_so binding;3115 struct {3116 SVGA3dCmdHeader header;3117 SVGA3dCmdDXSetStreamOutput body;3118 } *cmd = container_of(header, typeof(*cmd), header);3119 int ret;3120 3121 if (!ctx_node) {3122 DRM_ERROR("DX Context not set.\n");3123 return -EINVAL;3124 }3125 3126 if (cmd->body.soid == SVGA3D_INVALID_ID)3127 return 0;3128 3129 /*3130 * When device does not support SM5 then streamoutput with mob command is3131 * not available to user-space. Simply return in this case.3132 */3133 if (!has_sm5_context(dev_priv))3134 return 0;3135 3136 /*3137 * With SM5 capable device if lookup fails then user-space probably used3138 * old streamoutput define command. Return without an error.3139 */3140 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),3141 cmd->body.soid);3142 if (IS_ERR(res)) {3143 return 0;3144 }3145 3146 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,3147 vmw_val_add_flag_noctx);3148 if (ret) {3149 DRM_ERROR("Error creating resource validation node.\n");3150 return ret;3151 }3152 3153 binding.bi.ctx = ctx_node->ctx;3154 binding.bi.res = res;3155 binding.bi.bt = vmw_ctx_binding_so;3156 binding.slot = 0; /* Only one SO set to context at a time. */3157 3158 vmw_binding_add(sw_context->dx_ctx_node->staged, &binding.bi, 0,3159 binding.slot);3160 3161 return ret;3162}3163 3164static int vmw_cmd_indexed_instanced_indirect(struct vmw_private *dev_priv,3165 struct vmw_sw_context *sw_context,3166 SVGA3dCmdHeader *header)3167{3168 struct vmw_draw_indexed_instanced_indirect_cmd {3169 SVGA3dCmdHeader header;3170 SVGA3dCmdDXDrawIndexedInstancedIndirect body;3171 } *cmd = container_of(header, typeof(*cmd), header);3172 3173 if (!has_sm5_context(dev_priv))3174 return -EINVAL;3175 3176 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,3177 VMW_RES_DIRTY_NONE, user_surface_converter,3178 &cmd->body.argsBufferSid, NULL);3179}3180 3181static int vmw_cmd_instanced_indirect(struct vmw_private *dev_priv,3182 struct vmw_sw_context *sw_context,3183 SVGA3dCmdHeader *header)3184{3185 struct vmw_draw_instanced_indirect_cmd {3186 SVGA3dCmdHeader header;3187 SVGA3dCmdDXDrawInstancedIndirect body;3188 } *cmd = container_of(header, typeof(*cmd), header);3189 3190 if (!has_sm5_context(dev_priv))3191 return -EINVAL;3192 3193 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,3194 VMW_RES_DIRTY_NONE, user_surface_converter,3195 &cmd->body.argsBufferSid, NULL);3196}3197 3198static int vmw_cmd_dispatch_indirect(struct vmw_private *dev_priv,3199 struct vmw_sw_context *sw_context,3200 SVGA3dCmdHeader *header)3201{3202 struct vmw_dispatch_indirect_cmd {3203 SVGA3dCmdHeader header;3204 SVGA3dCmdDXDispatchIndirect body;3205 } *cmd = container_of(header, typeof(*cmd), header);3206 3207 if (!has_sm5_context(dev_priv))3208 return -EINVAL;3209 3210 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,3211 VMW_RES_DIRTY_NONE, user_surface_converter,3212 &cmd->body.argsBufferSid, NULL);3213}3214 3215static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,3216 struct vmw_sw_context *sw_context,3217 void *buf, uint32_t *size)3218{3219 uint32_t size_remaining = *size;3220 uint32_t cmd_id;3221 3222 cmd_id = ((uint32_t *)buf)[0];3223 switch (cmd_id) {3224 case SVGA_CMD_UPDATE:3225 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);3226 break;3227 case SVGA_CMD_DEFINE_GMRFB:3228 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);3229 break;3230 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:3231 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);3232 break;3233 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:3234 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);3235 break;3236 default:3237 VMW_DEBUG_USER("Unsupported SVGA command: %u.\n", cmd_id);3238 return -EINVAL;3239 }3240 3241 if (*size > size_remaining) {3242 VMW_DEBUG_USER("Invalid SVGA command (size mismatch): %u.\n",3243 cmd_id);3244 return -EINVAL;3245 }3246 3247 if (unlikely(!sw_context->kernel)) {3248 VMW_DEBUG_USER("Kernel only SVGA command: %u.\n", cmd_id);3249 return -EPERM;3250 }3251 3252 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)3253 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);3254 3255 return 0;3256}3257 3258static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {3259 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,3260 false, false, false),3261 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,3262 false, false, false),3263 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,3264 true, false, false),3265 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,3266 true, false, false),3267 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,3268 true, false, false),3269 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,3270 false, false, false),3271 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,3272 false, false, false),3273 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,3274 true, false, false),3275 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,3276 true, false, false),3277 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,3278 true, false, false),3279 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,3280 &vmw_cmd_set_render_target_check, true, false, false),3281 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,3282 true, false, false),3283 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,3284 true, false, false),3285 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,3286 true, false, false),3287 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,3288 true, false, false),3289 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,3290 true, false, false),3291 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,3292 true, false, false),3293 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,3294 true, false, false),3295 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,3296 false, false, false),3297 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,3298 true, false, false),3299 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,3300 true, false, false),3301 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,3302 true, false, false),3303 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,3304 true, false, false),3305 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,3306 true, false, false),3307 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,3308 true, false, false),3309 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,3310 true, false, false),3311 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,3312 true, false, false),3313 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,3314 true, false, false),3315 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,3316 true, false, false),3317 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,3318 &vmw_cmd_blt_surf_screen_check, false, false, false),3319 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,3320 false, false, false),3321 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,3322 false, false, false),3323 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,3324 false, false, false),3325 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,3326 false, false, false),3327 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,3328 false, false, false),3329 VMW_CMD_DEF(SVGA_3D_CMD_DEAD1, &vmw_cmd_invalid,3330 false, false, false),3331 VMW_CMD_DEF(SVGA_3D_CMD_DEAD2, &vmw_cmd_invalid,3332 false, false, false),3333 VMW_CMD_DEF(SVGA_3D_CMD_DEAD12, &vmw_cmd_invalid, false, false, false),3334 VMW_CMD_DEF(SVGA_3D_CMD_DEAD13, &vmw_cmd_invalid, false, false, false),3335 VMW_CMD_DEF(SVGA_3D_CMD_DEAD14, &vmw_cmd_invalid, false, false, false),3336 VMW_CMD_DEF(SVGA_3D_CMD_DEAD15, &vmw_cmd_invalid, false, false, false),3337 VMW_CMD_DEF(SVGA_3D_CMD_DEAD16, &vmw_cmd_invalid, false, false, false),3338 VMW_CMD_DEF(SVGA_3D_CMD_DEAD17, &vmw_cmd_invalid, false, false, false),3339 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,3340 false, false, true),3341 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,3342 false, false, true),3343 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,3344 false, false, true),3345 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,3346 false, false, true),3347 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,3348 false, false, true),3349 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,3350 false, false, true),3351 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,3352 false, false, true),3353 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,3354 false, false, true),3355 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,3356 true, false, true),3357 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,3358 false, false, true),3359 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,3360 true, false, true),3361 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,3362 &vmw_cmd_update_gb_surface, true, false, true),3363 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,3364 &vmw_cmd_readback_gb_image, true, false, true),3365 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,3366 &vmw_cmd_readback_gb_surface, true, false, true),3367 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,3368 &vmw_cmd_invalidate_gb_image, true, false, true),3369 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,3370 &vmw_cmd_invalidate_gb_surface, true, false, true),3371 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,3372 false, false, true),3373 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,3374 false, false, true),3375 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,3376 false, false, true),3377 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,3378 false, false, true),3379 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,3380 false, false, true),3381 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,3382 false, false, true),3383 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,3384 true, false, true),3385 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,3386 false, false, true),3387 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,3388 false, false, false),3389 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,3390 true, false, true),3391 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,3392 true, false, true),3393 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,3394 true, false, true),3395 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,3396 true, false, true),3397 VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,3398 true, false, true),3399 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,3400 false, false, true),3401 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,3402 false, false, true),3403 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,3404 false, false, true),3405 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,3406 false, false, true),3407 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,3408 false, false, true),3409 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,3410 false, false, true),3411 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,3412 false, false, true),3413 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,3414 false, false, true),3415 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,3416 false, false, true),3417 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,3418 false, false, true),3419 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,3420 true, false, true),3421 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,3422 false, false, true),3423 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,3424 false, false, true),3425 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,3426 false, false, true),3427 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,3428 false, false, true),3429 3430 /* SM commands */3431 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,3432 false, false, true),3433 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,3434 false, false, true),3435 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,3436 false, false, true),3437 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,3438 false, false, true),3439 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,3440 false, false, true),3441 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,3442 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),3443 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,3444 &vmw_cmd_dx_set_shader_res, true, false, true),3445 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,3446 true, false, true),3447 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,3448 true, false, true),3449 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,3450 true, false, true),3451 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,3452 true, false, true),3453 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,3454 true, false, true),3455 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,3456 &vmw_cmd_dx_cid_check, true, false, true),3457 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,3458 true, false, true),3459 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,3460 &vmw_cmd_dx_set_vertex_buffers, true, false, true),3461 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,3462 &vmw_cmd_dx_set_index_buffer, true, false, true),3463 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,3464 &vmw_cmd_dx_set_rendertargets, true, false, true),3465 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,3466 true, false, true),3467 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,3468 &vmw_cmd_dx_cid_check, true, false, true),3469 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,3470 &vmw_cmd_dx_cid_check, true, false, true),3471 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,3472 true, false, true),3473 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,3474 true, false, true),3475 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,3476 true, false, true),3477 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,3478 &vmw_cmd_dx_cid_check, true, false, true),3479 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,3480 true, false, true),3481 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,3482 true, false, true),3483 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,3484 true, false, true),3485 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,3486 true, false, true),3487 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,3488 true, false, true),3489 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,3490 true, false, true),3491 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,3492 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),3493 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,3494 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),3495 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,3496 true, false, true),3497 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,3498 true, false, true),3499 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,3500 &vmw_cmd_dx_check_subresource, true, false, true),3501 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,3502 &vmw_cmd_dx_check_subresource, true, false, true),3503 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,3504 &vmw_cmd_dx_check_subresource, true, false, true),3505 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,3506 &vmw_cmd_dx_view_define, true, false, true),3507 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,3508 &vmw_cmd_dx_view_remove, true, false, true),3509 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,3510 &vmw_cmd_dx_view_define, true, false, true),3511 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,3512 &vmw_cmd_dx_view_remove, true, false, true),3513 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,3514 &vmw_cmd_dx_view_define, true, false, true),3515 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,3516 &vmw_cmd_dx_view_remove, true, false, true),3517 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,3518 &vmw_cmd_dx_so_define, true, false, true),3519 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,3520 &vmw_cmd_dx_cid_check, true, false, true),3521 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,3522 &vmw_cmd_dx_so_define, true, false, true),3523 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,3524 &vmw_cmd_dx_cid_check, true, false, true),3525 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,3526 &vmw_cmd_dx_so_define, true, false, true),3527 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,3528 &vmw_cmd_dx_cid_check, true, false, true),3529 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,3530 &vmw_cmd_dx_so_define, true, false, true),3531 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,3532 &vmw_cmd_dx_cid_check, true, false, true),3533 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,3534 &vmw_cmd_dx_so_define, true, false, true),3535 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,3536 &vmw_cmd_dx_cid_check, true, false, true),3537 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,3538 &vmw_cmd_dx_define_shader, true, false, true),3539 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,3540 &vmw_cmd_dx_destroy_shader, true, false, true),3541 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,3542 &vmw_cmd_dx_bind_shader, true, false, true),3543 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,3544 &vmw_cmd_dx_so_define, true, false, true),3545 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,3546 &vmw_cmd_dx_destroy_streamoutput, true, false, true),3547 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT,3548 &vmw_cmd_dx_set_streamoutput, true, false, true),3549 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,3550 &vmw_cmd_dx_set_so_targets, true, false, true),3551 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,3552 &vmw_cmd_dx_cid_check, true, false, true),3553 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,3554 &vmw_cmd_dx_cid_check, true, false, true),3555 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,3556 &vmw_cmd_buffer_copy_check, true, false, true),3557 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,3558 &vmw_cmd_pred_copy_check, true, false, true),3559 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,3560 &vmw_cmd_dx_transfer_from_buffer,3561 true, false, true),3562 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET,3563 &vmw_cmd_dx_set_constant_buffer_offset,3564 true, false, true),3565 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PS_CONSTANT_BUFFER_OFFSET,3566 &vmw_cmd_dx_set_constant_buffer_offset,3567 true, false, true),3568 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_GS_CONSTANT_BUFFER_OFFSET,3569 &vmw_cmd_dx_set_constant_buffer_offset,3570 true, false, true),3571 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_HS_CONSTANT_BUFFER_OFFSET,3572 &vmw_cmd_dx_set_constant_buffer_offset,3573 true, false, true),3574 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DS_CONSTANT_BUFFER_OFFSET,3575 &vmw_cmd_dx_set_constant_buffer_offset,3576 true, false, true),3577 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_CONSTANT_BUFFER_OFFSET,3578 &vmw_cmd_dx_set_constant_buffer_offset,3579 true, false, true),3580 VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,3581 true, false, true),3582 3583 /*3584 * SM5 commands3585 */3586 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_UA_VIEW, &vmw_cmd_sm5_view_define,3587 true, false, true),3588 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_UA_VIEW, &vmw_cmd_sm5_view_remove,3589 true, false, true),3590 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_UINT, &vmw_cmd_clear_uav_uint,3591 true, false, true),3592 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_FLOAT,3593 &vmw_cmd_clear_uav_float, true, false, true),3594 VMW_CMD_DEF(SVGA_3D_CMD_DX_COPY_STRUCTURE_COUNT, &vmw_cmd_invalid, true,3595 false, true),3596 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_UA_VIEWS, &vmw_cmd_set_uav, true, false,3597 true),3598 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED_INDIRECT,3599 &vmw_cmd_indexed_instanced_indirect, true, false, true),3600 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED_INDIRECT,3601 &vmw_cmd_instanced_indirect, true, false, true),3602 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH, &vmw_cmd_sm5, true, false, true),3603 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH_INDIRECT,3604 &vmw_cmd_dispatch_indirect, true, false, true),3605 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_UA_VIEWS, &vmw_cmd_set_cs_uav, true,3606 false, true),3607 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW_V2,3608 &vmw_cmd_sm5_view_define, true, false, true),3609 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT_WITH_MOB,3610 &vmw_cmd_dx_define_streamoutput, true, false, true),3611 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_STREAMOUTPUT,3612 &vmw_cmd_dx_bind_streamoutput, true, false, true),3613 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2,3614 &vmw_cmd_dx_so_define, true, false, true),3615 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V4,3616 &vmw_cmd_invalid, false, false, true),3617};3618 3619bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)3620{3621 u32 cmd_id = ((u32 *) buf)[0];3622 3623 if (cmd_id >= SVGA_CMD_MAX) {3624 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;3625 const struct vmw_cmd_entry *entry;3626 3627 *size = header->size + sizeof(SVGA3dCmdHeader);3628 cmd_id = header->id;3629 if (cmd_id >= SVGA_3D_CMD_MAX)3630 return false;3631 3632 cmd_id -= SVGA_3D_CMD_BASE;3633 entry = &vmw_cmd_entries[cmd_id];3634 *cmd = entry->cmd_name;3635 return true;3636 }3637 3638 switch (cmd_id) {3639 case SVGA_CMD_UPDATE:3640 *cmd = "SVGA_CMD_UPDATE";3641 *size = sizeof(u32) + sizeof(SVGAFifoCmdUpdate);3642 break;3643 case SVGA_CMD_DEFINE_GMRFB:3644 *cmd = "SVGA_CMD_DEFINE_GMRFB";3645 *size = sizeof(u32) + sizeof(SVGAFifoCmdDefineGMRFB);3646 break;3647 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:3648 *cmd = "SVGA_CMD_BLIT_GMRFB_TO_SCREEN";3649 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);3650 break;3651 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:3652 *cmd = "SVGA_CMD_BLIT_SCREEN_TO_GMRFB";3653 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);3654 break;3655 default:3656 *cmd = "UNKNOWN";3657 *size = 0;3658 return false;3659 }3660 3661 return true;3662}3663 3664static int vmw_cmd_check(struct vmw_private *dev_priv,3665 struct vmw_sw_context *sw_context, void *buf,3666 uint32_t *size)3667{3668 uint32_t cmd_id;3669 uint32_t size_remaining = *size;3670 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;3671 int ret;3672 const struct vmw_cmd_entry *entry;3673 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;3674 3675 cmd_id = ((uint32_t *)buf)[0];3676 /* Handle any none 3D commands */3677 if (unlikely(cmd_id < SVGA_CMD_MAX))3678 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);3679 3680 3681 cmd_id = header->id;3682 *size = header->size + sizeof(SVGA3dCmdHeader);3683 3684 cmd_id -= SVGA_3D_CMD_BASE;3685 if (unlikely(*size > size_remaining))3686 goto out_invalid;3687 3688 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))3689 goto out_invalid;3690 3691 entry = &vmw_cmd_entries[cmd_id];3692 if (unlikely(!entry->func))3693 goto out_invalid;3694 3695 if (unlikely(!entry->user_allow && !sw_context->kernel))3696 goto out_privileged;3697 3698 if (unlikely(entry->gb_disable && gb))3699 goto out_old;3700 3701 if (unlikely(entry->gb_enable && !gb))3702 goto out_new;3703 3704 ret = entry->func(dev_priv, sw_context, header);3705 if (unlikely(ret != 0)) {3706 VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",3707 cmd_id + SVGA_3D_CMD_BASE, ret);3708 return ret;3709 }3710 3711 return 0;3712out_invalid:3713 VMW_DEBUG_USER("Invalid SVGA3D command: %d\n",3714 cmd_id + SVGA_3D_CMD_BASE);3715 return -EINVAL;3716out_privileged:3717 VMW_DEBUG_USER("Privileged SVGA3D command: %d\n",3718 cmd_id + SVGA_3D_CMD_BASE);3719 return -EPERM;3720out_old:3721 VMW_DEBUG_USER("Deprecated (disallowed) SVGA3D command: %d\n",3722 cmd_id + SVGA_3D_CMD_BASE);3723 return -EINVAL;3724out_new:3725 VMW_DEBUG_USER("SVGA3D command: %d not supported by virtual device.\n",3726 cmd_id + SVGA_3D_CMD_BASE);3727 return -EINVAL;3728}3729 3730static int vmw_cmd_check_all(struct vmw_private *dev_priv,3731 struct vmw_sw_context *sw_context, void *buf,3732 uint32_t size)3733{3734 int32_t cur_size = size;3735 int ret;3736 3737 sw_context->buf_start = buf;3738 3739 while (cur_size > 0) {3740 size = cur_size;3741 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);3742 if (unlikely(ret != 0))3743 return ret;3744 buf = (void *)((unsigned long) buf + size);3745 cur_size -= size;3746 }3747 3748 if (unlikely(cur_size != 0)) {3749 VMW_DEBUG_USER("Command verifier out of sync.\n");3750 return -EINVAL;3751 }3752 3753 return 0;3754}3755 3756static void vmw_free_relocations(struct vmw_sw_context *sw_context)3757{3758 /* Memory is validation context memory, so no need to free it */3759 INIT_LIST_HEAD(&sw_context->bo_relocations);3760}3761 3762static void vmw_apply_relocations(struct vmw_sw_context *sw_context)3763{3764 struct vmw_relocation *reloc;3765 struct ttm_buffer_object *bo;3766 3767 list_for_each_entry(reloc, &sw_context->bo_relocations, head) {3768 bo = &reloc->vbo->tbo;3769 switch (bo->resource->mem_type) {3770 case TTM_PL_VRAM:3771 reloc->location->offset += bo->resource->start << PAGE_SHIFT;3772 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;3773 break;3774 case VMW_PL_GMR:3775 reloc->location->gmrId = bo->resource->start;3776 break;3777 case VMW_PL_MOB:3778 *reloc->mob_loc = bo->resource->start;3779 break;3780 default:3781 BUG();3782 }3783 }3784 vmw_free_relocations(sw_context);3785}3786 3787static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,3788 uint32_t size)3789{3790 if (likely(sw_context->cmd_bounce_size >= size))3791 return 0;3792 3793 if (sw_context->cmd_bounce_size == 0)3794 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;3795 3796 while (sw_context->cmd_bounce_size < size) {3797 sw_context->cmd_bounce_size =3798 PAGE_ALIGN(sw_context->cmd_bounce_size +3799 (sw_context->cmd_bounce_size >> 1));3800 }3801 3802 vfree(sw_context->cmd_bounce);3803 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);3804 3805 if (sw_context->cmd_bounce == NULL) {3806 VMW_DEBUG_USER("Failed to allocate command bounce buffer.\n");3807 sw_context->cmd_bounce_size = 0;3808 return -ENOMEM;3809 }3810 3811 return 0;3812}3813 3814/*3815 * vmw_execbuf_fence_commands - create and submit a command stream fence3816 *3817 * Creates a fence object and submits a command stream marker.3818 * If this fails for some reason, We sync the fifo and return NULL.3819 * It is then safe to fence buffers with a NULL pointer.3820 *3821 * If @p_handle is not NULL @file_priv must also not be NULL. Creates a3822 * userspace handle if @p_handle is not NULL, otherwise not.3823 */3824 3825int vmw_execbuf_fence_commands(struct drm_file *file_priv,3826 struct vmw_private *dev_priv,3827 struct vmw_fence_obj **p_fence,3828 uint32_t *p_handle)3829{3830 uint32_t sequence;3831 int ret;3832 bool synced = false;3833 3834 /* p_handle implies file_priv. */3835 BUG_ON(p_handle != NULL && file_priv == NULL);3836 3837 ret = vmw_cmd_send_fence(dev_priv, &sequence);3838 if (unlikely(ret != 0)) {3839 VMW_DEBUG_USER("Fence submission error. Syncing.\n");3840 synced = true;3841 }3842 3843 if (p_handle != NULL)3844 ret = vmw_user_fence_create(file_priv, dev_priv->fman,3845 sequence, p_fence, p_handle);3846 else3847 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);3848 3849 if (unlikely(ret != 0 && !synced)) {3850 (void) vmw_fallback_wait(dev_priv, false, false, sequence,3851 false, VMW_FENCE_WAIT_TIMEOUT);3852 *p_fence = NULL;3853 }3854 3855 return ret;3856}3857 3858/**3859 * vmw_execbuf_copy_fence_user - copy fence object information to user-space.3860 *3861 * @dev_priv: Pointer to a vmw_private struct.3862 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.3863 * @ret: Return value from fence object creation.3864 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to which3865 * the information should be copied.3866 * @fence: Pointer to the fenc object.3867 * @fence_handle: User-space fence handle.3868 * @out_fence_fd: exported file descriptor for the fence. -1 if not used3869 *3870 * This function copies fence information to user-space. If copying fails, the3871 * user-space struct drm_vmw_fence_rep::error member is hopefully left3872 * untouched, and if it's preloaded with an -EFAULT by user-space, the error3873 * will hopefully be detected.3874 *3875 * Also if copying fails, user-space will be unable to signal the fence object3876 * so we wait for it immediately, and then unreference the user-space reference.3877 */3878int3879vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,3880 struct vmw_fpriv *vmw_fp, int ret,3881 struct drm_vmw_fence_rep __user *user_fence_rep,3882 struct vmw_fence_obj *fence, uint32_t fence_handle,3883 int32_t out_fence_fd)3884{3885 struct drm_vmw_fence_rep fence_rep;3886 3887 if (user_fence_rep == NULL)3888 return 0;3889 3890 memset(&fence_rep, 0, sizeof(fence_rep));3891 3892 fence_rep.error = ret;3893 fence_rep.fd = out_fence_fd;3894 if (ret == 0) {3895 BUG_ON(fence == NULL);3896 3897 fence_rep.handle = fence_handle;3898 fence_rep.seqno = fence->base.seqno;3899 vmw_update_seqno(dev_priv);3900 fence_rep.passed_seqno = dev_priv->last_read_seqno;3901 }3902 3903 /*3904 * copy_to_user errors will be detected by user space not seeing3905 * fence_rep::error filled in. Typically user-space would have pre-set3906 * that member to -EFAULT.3907 */3908 ret = copy_to_user(user_fence_rep, &fence_rep,3909 sizeof(fence_rep));3910 3911 /*3912 * User-space lost the fence object. We need to sync and unreference the3913 * handle.3914 */3915 if (unlikely(ret != 0) && (fence_rep.error == 0)) {3916 ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle);3917 VMW_DEBUG_USER("Fence copy error. Syncing.\n");3918 (void) vmw_fence_obj_wait(fence, false, false,3919 VMW_FENCE_WAIT_TIMEOUT);3920 }3921 3922 return ret ? -EFAULT : 0;3923}3924 3925/**3926 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using the fifo.3927 *3928 * @dev_priv: Pointer to a device private structure.3929 * @kernel_commands: Pointer to the unpatched command batch.3930 * @command_size: Size of the unpatched command batch.3931 * @sw_context: Structure holding the relocation lists.3932 *3933 * Side effects: If this function returns 0, then the command batch pointed to3934 * by @kernel_commands will have been modified.3935 */3936static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,3937 void *kernel_commands, u32 command_size,3938 struct vmw_sw_context *sw_context)3939{3940 void *cmd;3941 3942 if (sw_context->dx_ctx_node)3943 cmd = VMW_CMD_CTX_RESERVE(dev_priv, command_size,3944 sw_context->dx_ctx_node->ctx->id);3945 else3946 cmd = VMW_CMD_RESERVE(dev_priv, command_size);3947 3948 if (!cmd)3949 return -ENOMEM;3950 3951 vmw_apply_relocations(sw_context);3952 memcpy(cmd, kernel_commands, command_size);3953 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);3954 vmw_resource_relocations_free(&sw_context->res_relocations);3955 vmw_cmd_commit(dev_priv, command_size);3956 3957 return 0;3958}3959 3960/**3961 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using the3962 * command buffer manager.3963 *3964 * @dev_priv: Pointer to a device private structure.3965 * @header: Opaque handle to the command buffer allocation.3966 * @command_size: Size of the unpatched command batch.3967 * @sw_context: Structure holding the relocation lists.3968 *3969 * Side effects: If this function returns 0, then the command buffer represented3970 * by @header will have been modified.3971 */3972static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,3973 struct vmw_cmdbuf_header *header,3974 u32 command_size,3975 struct vmw_sw_context *sw_context)3976{3977 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->ctx->id :3978 SVGA3D_INVALID_ID);3979 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, id, false,3980 header);3981 3982 vmw_apply_relocations(sw_context);3983 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);3984 vmw_resource_relocations_free(&sw_context->res_relocations);3985 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);3986 3987 return 0;3988}3989 3990/**3991 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for3992 * submission using a command buffer.3993 *3994 * @dev_priv: Pointer to a device private structure.3995 * @user_commands: User-space pointer to the commands to be submitted.3996 * @command_size: Size of the unpatched command batch.3997 * @header: Out parameter returning the opaque pointer to the command buffer.3998 *3999 * This function checks whether we can use the command buffer manager for4000 * submission and if so, creates a command buffer of suitable size and copies4001 * the user data into that buffer.4002 *4003 * On successful return, the function returns a pointer to the data in the4004 * command buffer and *@header is set to non-NULL.4005 *4006 * @kernel_commands: If command buffers could not be used, the function will4007 * return the value of @kernel_commands on function call. That value may be4008 * NULL. In that case, the value of *@header will be set to NULL.4009 *4010 * If an error is encountered, the function will return a pointer error value.4011 * If the function is interrupted by a signal while sleeping, it will return4012 * -ERESTARTSYS casted to a pointer error value.4013 */4014static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,4015 void __user *user_commands,4016 void *kernel_commands, u32 command_size,4017 struct vmw_cmdbuf_header **header)4018{4019 size_t cmdbuf_size;4020 int ret;4021 4022 *header = NULL;4023 if (command_size > SVGA_CB_MAX_SIZE) {4024 VMW_DEBUG_USER("Command buffer is too large.\n");4025 return ERR_PTR(-EINVAL);4026 }4027 4028 if (!dev_priv->cman || kernel_commands)4029 return kernel_commands;4030 4031 /* If possible, add a little space for fencing. */4032 cmdbuf_size = command_size + 512;4033 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);4034 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, true,4035 header);4036 if (IS_ERR(kernel_commands))4037 return kernel_commands;4038 4039 ret = copy_from_user(kernel_commands, user_commands, command_size);4040 if (ret) {4041 VMW_DEBUG_USER("Failed copying commands.\n");4042 vmw_cmdbuf_header_free(*header);4043 *header = NULL;4044 return ERR_PTR(-EFAULT);4045 }4046 4047 return kernel_commands;4048}4049 4050static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,4051 struct vmw_sw_context *sw_context,4052 uint32_t handle)4053{4054 struct vmw_resource *res;4055 int ret;4056 unsigned int size;4057 4058 if (handle == SVGA3D_INVALID_ID)4059 return 0;4060 4061 size = vmw_execbuf_res_size(dev_priv, vmw_res_dx_context);4062 ret = vmw_validation_preload_res(sw_context->ctx, size);4063 if (ret)4064 return ret;4065 4066 ret = vmw_user_resource_lookup_handle4067 (dev_priv, sw_context->fp->tfile, handle,4068 user_context_converter, &res);4069 if (ret != 0) {4070 VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",4071 (unsigned int) handle);4072 return ret;4073 }4074 4075 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_SET,4076 vmw_val_add_flag_none);4077 if (unlikely(ret != 0)) {4078 vmw_resource_unreference(&res);4079 return ret;4080 }4081 4082 sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);4083 sw_context->man = vmw_context_res_man(res);4084 4085 vmw_resource_unreference(&res);4086 return 0;4087}4088 4089int vmw_execbuf_process(struct drm_file *file_priv,4090 struct vmw_private *dev_priv,4091 void __user *user_commands, void *kernel_commands,4092 uint32_t command_size, uint64_t throttle_us,4093 uint32_t dx_context_handle,4094 struct drm_vmw_fence_rep __user *user_fence_rep,4095 struct vmw_fence_obj **out_fence, uint32_t flags)4096{4097 struct vmw_sw_context *sw_context = &dev_priv->ctx;4098 struct vmw_fence_obj *fence = NULL;4099 struct vmw_cmdbuf_header *header;4100 uint32_t handle = 0;4101 int ret;4102 int32_t out_fence_fd = -1;4103 struct sync_file *sync_file = NULL;4104 DECLARE_VAL_CONTEXT(val_ctx, sw_context, 1);4105 4106 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {4107 out_fence_fd = get_unused_fd_flags(O_CLOEXEC);4108 if (out_fence_fd < 0) {4109 VMW_DEBUG_USER("Failed to get a fence fd.\n");4110 return out_fence_fd;4111 }4112 }4113 4114 if (throttle_us) {4115 VMW_DEBUG_USER("Throttling is no longer supported.\n");4116 }4117 4118 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,4119 kernel_commands, command_size,4120 &header);4121 if (IS_ERR(kernel_commands)) {4122 ret = PTR_ERR(kernel_commands);4123 goto out_free_fence_fd;4124 }4125 4126 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);4127 if (ret) {4128 ret = -ERESTARTSYS;4129 goto out_free_header;4130 }4131 4132 sw_context->kernel = false;4133 if (kernel_commands == NULL) {4134 ret = vmw_resize_cmd_bounce(sw_context, command_size);4135 if (unlikely(ret != 0))4136 goto out_unlock;4137 4138 ret = copy_from_user(sw_context->cmd_bounce, user_commands,4139 command_size);4140 if (unlikely(ret != 0)) {4141 ret = -EFAULT;4142 VMW_DEBUG_USER("Failed copying commands.\n");4143 goto out_unlock;4144 }4145 4146 kernel_commands = sw_context->cmd_bounce;4147 } else if (!header) {4148 sw_context->kernel = true;4149 }4150 4151 sw_context->filp = file_priv;4152 sw_context->fp = vmw_fpriv(file_priv);4153 INIT_LIST_HEAD(&sw_context->ctx_list);4154 sw_context->cur_query_bo = dev_priv->pinned_bo;4155 sw_context->last_query_ctx = NULL;4156 sw_context->needs_post_query_barrier = false;4157 sw_context->dx_ctx_node = NULL;4158 sw_context->dx_query_mob = NULL;4159 sw_context->dx_query_ctx = NULL;4160 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));4161 INIT_LIST_HEAD(&sw_context->res_relocations);4162 INIT_LIST_HEAD(&sw_context->bo_relocations);4163 4164 if (sw_context->staged_bindings)4165 vmw_binding_state_reset(sw_context->staged_bindings);4166 4167 INIT_LIST_HEAD(&sw_context->staged_cmd_res);4168 sw_context->ctx = &val_ctx;4169 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);4170 if (unlikely(ret != 0))4171 goto out_err_nores;4172 4173 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,4174 command_size);4175 if (unlikely(ret != 0))4176 goto out_err_nores;4177 4178 ret = vmw_resources_reserve(sw_context);4179 if (unlikely(ret != 0))4180 goto out_err_nores;4181 4182 ret = vmw_validation_bo_reserve(&val_ctx, true);4183 if (unlikely(ret != 0))4184 goto out_err_nores;4185 4186 ret = vmw_validation_bo_validate(&val_ctx, true);4187 if (unlikely(ret != 0))4188 goto out_err;4189 4190 ret = vmw_validation_res_validate(&val_ctx, true);4191 if (unlikely(ret != 0))4192 goto out_err;4193 4194 vmw_validation_drop_ht(&val_ctx);4195 4196 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);4197 if (unlikely(ret != 0)) {4198 ret = -ERESTARTSYS;4199 goto out_err;4200 }4201 4202 if (dev_priv->has_mob) {4203 ret = vmw_rebind_contexts(sw_context);4204 if (unlikely(ret != 0))4205 goto out_unlock_binding;4206 }4207 4208 if (!header) {4209 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,4210 command_size, sw_context);4211 } else {4212 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,4213 sw_context);4214 header = NULL;4215 }4216 mutex_unlock(&dev_priv->binding_mutex);4217 if (ret)4218 goto out_err;4219 4220 vmw_query_bo_switch_commit(dev_priv, sw_context);4221 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,4222 (user_fence_rep) ? &handle : NULL);4223 /*4224 * This error is harmless, because if fence submission fails,4225 * vmw_fifo_send_fence will sync. The error will be propagated to4226 * user-space in @fence_rep4227 */4228 if (ret != 0)4229 VMW_DEBUG_USER("Fence submission error. Syncing.\n");4230 4231 vmw_execbuf_bindings_commit(sw_context, false);4232 vmw_bind_dx_query_mob(sw_context);4233 vmw_validation_res_unreserve(&val_ctx, false);4234 4235 vmw_validation_bo_fence(sw_context->ctx, fence);4236 4237 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))4238 __vmw_execbuf_release_pinned_bo(dev_priv, fence);4239 4240 /*4241 * If anything fails here, give up trying to export the fence and do a4242 * sync since the user mode will not be able to sync the fence itself.4243 * This ensures we are still functionally correct.4244 */4245 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {4246 4247 sync_file = sync_file_create(&fence->base);4248 if (!sync_file) {4249 VMW_DEBUG_USER("Sync file create failed for fence\n");4250 put_unused_fd(out_fence_fd);4251 out_fence_fd = -1;4252 4253 (void) vmw_fence_obj_wait(fence, false, false,4254 VMW_FENCE_WAIT_TIMEOUT);4255 }4256 }4257 4258 ret = vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,4259 user_fence_rep, fence, handle, out_fence_fd);4260 4261 if (sync_file) {4262 if (ret) {4263 /* usercopy of fence failed, put the file object */4264 fput(sync_file->file);4265 put_unused_fd(out_fence_fd);4266 } else {4267 /* Link the fence with the FD created earlier */4268 fd_install(out_fence_fd, sync_file->file);4269 }4270 }4271 4272 /* Don't unreference when handing fence out */4273 if (unlikely(out_fence != NULL)) {4274 *out_fence = fence;4275 fence = NULL;4276 } else if (likely(fence != NULL)) {4277 vmw_fence_obj_unreference(&fence);4278 }4279 4280 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);4281 mutex_unlock(&dev_priv->cmdbuf_mutex);4282 4283 /*4284 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks4285 * in resource destruction paths.4286 */4287 vmw_validation_unref_lists(&val_ctx);4288 4289 return ret;4290 4291out_unlock_binding:4292 mutex_unlock(&dev_priv->binding_mutex);4293out_err:4294 vmw_validation_bo_backoff(&val_ctx);4295out_err_nores:4296 vmw_execbuf_bindings_commit(sw_context, true);4297 vmw_validation_res_unreserve(&val_ctx, true);4298 vmw_resource_relocations_free(&sw_context->res_relocations);4299 vmw_free_relocations(sw_context);4300 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))4301 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);4302out_unlock:4303 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);4304 vmw_validation_drop_ht(&val_ctx);4305 WARN_ON(!list_empty(&sw_context->ctx_list));4306 mutex_unlock(&dev_priv->cmdbuf_mutex);4307 4308 /*4309 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks4310 * in resource destruction paths.4311 */4312 vmw_validation_unref_lists(&val_ctx);4313out_free_header:4314 if (header)4315 vmw_cmdbuf_header_free(header);4316out_free_fence_fd:4317 if (out_fence_fd >= 0)4318 put_unused_fd(out_fence_fd);4319 4320 return ret;4321}4322 4323/**4324 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.4325 *4326 * @dev_priv: The device private structure.4327 *4328 * This function is called to idle the fifo and unpin the query buffer if the4329 * normal way to do this hits an error, which should typically be extremely4330 * rare.4331 */4332static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)4333{4334 VMW_DEBUG_USER("Can't unpin query buffer. Trying to recover.\n");4335 4336 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);4337 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);4338 if (dev_priv->dummy_query_bo_pinned) {4339 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);4340 dev_priv->dummy_query_bo_pinned = false;4341 }4342}4343 4344 4345/**4346 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query4347 * bo.4348 *4349 * @dev_priv: The device private structure.4350 * @fence: If non-NULL should point to a struct vmw_fence_obj issued _after_ a4351 * query barrier that flushes all queries touching the current buffer pointed to4352 * by @dev_priv->pinned_bo4353 *4354 * This function should be used to unpin the pinned query bo, or as a query4355 * barrier when we need to make sure that all queries have finished before the4356 * next fifo command. (For example on hardware context destructions where the4357 * hardware may otherwise leak unfinished queries).4358 *4359 * This function does not return any failure codes, but make attempts to do safe4360 * unpinning in case of errors.4361 *4362 * The function will synchronize on the previous query barrier, and will thus4363 * not finish until that barrier has executed.4364 *4365 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread before4366 * calling this function.4367 */4368void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,4369 struct vmw_fence_obj *fence)4370{4371 int ret = 0;4372 struct vmw_fence_obj *lfence = NULL;4373 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);4374 4375 if (dev_priv->pinned_bo == NULL)4376 goto out_unlock;4377 4378 vmw_bo_placement_set(dev_priv->pinned_bo,4379 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,4380 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);4381 ret = vmw_validation_add_bo(&val_ctx, dev_priv->pinned_bo);4382 if (ret)4383 goto out_no_reserve;4384 4385 vmw_bo_placement_set(dev_priv->dummy_query_bo,4386 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,4387 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);4388 ret = vmw_validation_add_bo(&val_ctx, dev_priv->dummy_query_bo);4389 if (ret)4390 goto out_no_reserve;4391 4392 ret = vmw_validation_bo_reserve(&val_ctx, false);4393 if (ret)4394 goto out_no_reserve;4395 4396 if (dev_priv->query_cid_valid) {4397 BUG_ON(fence != NULL);4398 ret = vmw_cmd_emit_dummy_query(dev_priv, dev_priv->query_cid);4399 if (ret)4400 goto out_no_emit;4401 dev_priv->query_cid_valid = false;4402 }4403 4404 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);4405 if (dev_priv->dummy_query_bo_pinned) {4406 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);4407 dev_priv->dummy_query_bo_pinned = false;4408 }4409 if (fence == NULL) {4410 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,4411 NULL);4412 fence = lfence;4413 }4414 vmw_validation_bo_fence(&val_ctx, fence);4415 if (lfence != NULL)4416 vmw_fence_obj_unreference(&lfence);4417 4418 vmw_validation_unref_lists(&val_ctx);4419 vmw_bo_unreference(&dev_priv->pinned_bo);4420 4421out_unlock:4422 return;4423out_no_emit:4424 vmw_validation_bo_backoff(&val_ctx);4425out_no_reserve:4426 vmw_validation_unref_lists(&val_ctx);4427 vmw_execbuf_unpin_panic(dev_priv);4428 vmw_bo_unreference(&dev_priv->pinned_bo);4429}4430 4431/**4432 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query bo.4433 *4434 * @dev_priv: The device private structure.4435 *4436 * This function should be used to unpin the pinned query bo, or as a query4437 * barrier when we need to make sure that all queries have finished before the4438 * next fifo command. (For example on hardware context destructions where the4439 * hardware may otherwise leak unfinished queries).4440 *4441 * This function does not return any failure codes, but make attempts to do safe4442 * unpinning in case of errors.4443 *4444 * The function will synchronize on the previous query barrier, and will thus4445 * not finish until that barrier has executed.4446 */4447void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)4448{4449 mutex_lock(&dev_priv->cmdbuf_mutex);4450 if (dev_priv->query_cid_valid)4451 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);4452 mutex_unlock(&dev_priv->cmdbuf_mutex);4453}4454 4455int vmw_execbuf_ioctl(struct drm_device *dev, void *data,4456 struct drm_file *file_priv)4457{4458 struct vmw_private *dev_priv = vmw_priv(dev);4459 struct drm_vmw_execbuf_arg *arg = data;4460 int ret;4461 struct dma_fence *in_fence = NULL;4462 4463 MKS_STAT_TIME_DECL(MKSSTAT_KERN_EXECBUF);4464 MKS_STAT_TIME_PUSH(MKSSTAT_KERN_EXECBUF);4465 4466 /*4467 * Extend the ioctl argument while maintaining backwards compatibility:4468 * We take different code paths depending on the value of arg->version.4469 *4470 * Note: The ioctl argument is extended and zeropadded by core DRM.4471 */4472 if (unlikely(arg->version > DRM_VMW_EXECBUF_VERSION ||4473 arg->version == 0)) {4474 VMW_DEBUG_USER("Incorrect execbuf version.\n");4475 ret = -EINVAL;4476 goto mksstats_out;4477 }4478 4479 switch (arg->version) {4480 case 1:4481 /* For v1 core DRM have extended + zeropadded the data */4482 arg->context_handle = (uint32_t) -1;4483 break;4484 case 2:4485 default:4486 /* For v2 and later core DRM would have correctly copied it */4487 break;4488 }4489 4490 /* If imported a fence FD from elsewhere, then wait on it */4491 if (arg->flags & DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD) {4492 in_fence = sync_file_get_fence(arg->imported_fence_fd);4493 4494 if (!in_fence) {4495 VMW_DEBUG_USER("Cannot get imported fence\n");4496 ret = -EINVAL;4497 goto mksstats_out;4498 }4499 4500 ret = dma_fence_wait(in_fence, true);4501 if (ret)4502 goto out;4503 }4504 4505 ret = vmw_execbuf_process(file_priv, dev_priv,4506 (void __user *)(unsigned long)arg->commands,4507 NULL, arg->command_size, arg->throttle_us,4508 arg->context_handle,4509 (void __user *)(unsigned long)arg->fence_rep,4510 NULL, arg->flags);4511 4512 if (unlikely(ret != 0))4513 goto out;4514 4515 vmw_kms_cursor_post_execbuf(dev_priv);4516 4517out:4518 if (in_fence)4519 dma_fence_put(in_fence);4520 4521mksstats_out:4522 MKS_STAT_TIME_POP(MKSSTAT_KERN_EXECBUF);4523 return ret;4524}4525