1247 lines
38 KiB
C
1247 lines
38 KiB
C
/**************************************************************************
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*
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* Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _VMWGFX_DRV_H_
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#define _VMWGFX_DRV_H_
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#include "vmwgfx_reg.h"
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#include <drm/drmP.h>
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#include <drm/vmwgfx_drm.h>
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#include <drm/drm_hashtab.h>
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#include <drm/drm_auth.h>
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#include <linux/suspend.h>
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#include <drm/ttm/ttm_bo_driver.h>
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#include <drm/ttm/ttm_object.h>
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#include <drm/ttm/ttm_lock.h>
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#include <drm/ttm/ttm_execbuf_util.h>
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#include <drm/ttm/ttm_module.h>
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#include "vmwgfx_fence.h"
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#define VMWGFX_DRIVER_DATE "20170221"
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#define VMWGFX_DRIVER_MAJOR 2
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#define VMWGFX_DRIVER_MINOR 12
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#define VMWGFX_DRIVER_PATCHLEVEL 0
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#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
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#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
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#define VMWGFX_MAX_RELOCATIONS 2048
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#define VMWGFX_MAX_VALIDATIONS 2048
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#define VMWGFX_MAX_DISPLAYS 16
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#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
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#define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
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/*
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* Perhaps we should have sysfs entries for these.
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*/
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#define VMWGFX_NUM_GB_CONTEXT 256
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#define VMWGFX_NUM_GB_SHADER 20000
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#define VMWGFX_NUM_GB_SURFACE 32768
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#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
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#define VMWGFX_NUM_DXCONTEXT 256
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#define VMWGFX_NUM_DXQUERY 512
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#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
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VMWGFX_NUM_GB_SHADER +\
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VMWGFX_NUM_GB_SURFACE +\
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VMWGFX_NUM_GB_SCREEN_TARGET)
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#define VMW_PL_GMR (TTM_PL_PRIV + 0)
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#define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0)
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#define VMW_PL_MOB (TTM_PL_PRIV + 1)
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#define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1)
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#define VMW_RES_CONTEXT ttm_driver_type0
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#define VMW_RES_SURFACE ttm_driver_type1
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#define VMW_RES_STREAM ttm_driver_type2
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#define VMW_RES_FENCE ttm_driver_type3
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#define VMW_RES_SHADER ttm_driver_type4
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struct vmw_fpriv {
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struct drm_master *locked_master;
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struct ttm_object_file *tfile;
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bool gb_aware;
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};
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struct vmw_dma_buffer {
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struct ttm_buffer_object base;
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struct list_head res_list;
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s32 pin_count;
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/* Not ref-counted. Protected by binding_mutex */
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struct vmw_resource *dx_query_ctx;
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};
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/**
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* struct vmw_validate_buffer - Carries validation info about buffers.
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*
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* @base: Validation info for TTM.
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* @hash: Hash entry for quick lookup of the TTM buffer object.
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*
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* This structure contains also driver private validation info
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* on top of the info needed by TTM.
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*/
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struct vmw_validate_buffer {
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struct ttm_validate_buffer base;
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struct drm_hash_item hash;
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bool validate_as_mob;
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};
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struct vmw_res_func;
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struct vmw_resource {
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struct kref kref;
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struct vmw_private *dev_priv;
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int id;
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bool avail;
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unsigned long backup_size;
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bool res_dirty; /* Protected by backup buffer reserved */
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bool backup_dirty; /* Protected by backup buffer reserved */
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struct vmw_dma_buffer *backup;
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unsigned long backup_offset;
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unsigned long pin_count; /* Protected by resource reserved */
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const struct vmw_res_func *func;
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struct list_head lru_head; /* Protected by the resource lock */
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struct list_head mob_head; /* Protected by @backup reserved */
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struct list_head binding_head; /* Protected by binding_mutex */
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void (*res_free) (struct vmw_resource *res);
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void (*hw_destroy) (struct vmw_resource *res);
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};
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/*
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* Resources that are managed using ioctls.
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*/
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enum vmw_res_type {
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vmw_res_context,
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vmw_res_surface,
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vmw_res_stream,
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vmw_res_shader,
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vmw_res_dx_context,
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vmw_res_cotable,
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vmw_res_view,
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vmw_res_max
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};
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/*
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* Resources that are managed using command streams.
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*/
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enum vmw_cmdbuf_res_type {
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vmw_cmdbuf_res_shader,
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vmw_cmdbuf_res_view
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};
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struct vmw_cmdbuf_res_manager;
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struct vmw_cursor_snooper {
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struct drm_crtc *crtc;
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size_t age;
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uint32_t *image;
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};
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struct vmw_framebuffer;
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struct vmw_surface_offset;
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struct vmw_surface {
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struct vmw_resource res;
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uint32_t flags;
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uint32_t format;
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uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
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struct drm_vmw_size base_size;
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struct drm_vmw_size *sizes;
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uint32_t num_sizes;
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bool scanout;
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uint32_t array_size;
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/* TODO so far just a extra pointer */
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struct vmw_cursor_snooper snooper;
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struct vmw_surface_offset *offsets;
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SVGA3dTextureFilter autogen_filter;
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uint32_t multisample_count;
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struct list_head view_list;
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};
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struct vmw_marker_queue {
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struct list_head head;
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u64 lag;
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u64 lag_time;
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spinlock_t lock;
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};
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struct vmw_fifo_state {
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unsigned long reserved_size;
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u32 *dynamic_buffer;
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u32 *static_buffer;
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unsigned long static_buffer_size;
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bool using_bounce_buffer;
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uint32_t capabilities;
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struct mutex fifo_mutex;
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struct rw_semaphore rwsem;
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struct vmw_marker_queue marker_queue;
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bool dx;
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};
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struct vmw_relocation {
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SVGAMobId *mob_loc;
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SVGAGuestPtr *location;
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uint32_t index;
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};
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/**
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* struct vmw_res_cache_entry - resource information cache entry
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*
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* @valid: Whether the entry is valid, which also implies that the execbuf
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* code holds a reference to the resource, and it's placed on the
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* validation list.
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* @handle: User-space handle of a resource.
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* @res: Non-ref-counted pointer to the resource.
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*
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* Used to avoid frequent repeated user-space handle lookups of the
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* same resource.
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*/
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struct vmw_res_cache_entry {
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bool valid;
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uint32_t handle;
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struct vmw_resource *res;
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struct vmw_resource_val_node *node;
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};
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/**
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* enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
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*/
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enum vmw_dma_map_mode {
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vmw_dma_phys, /* Use physical page addresses */
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vmw_dma_alloc_coherent, /* Use TTM coherent pages */
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vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
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vmw_dma_map_bind, /* Unmap from DMA just before unbind */
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vmw_dma_map_max
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};
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/**
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* struct vmw_sg_table - Scatter/gather table for binding, with additional
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* device-specific information.
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*
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* @sgt: Pointer to a struct sg_table with binding information
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* @num_regions: Number of regions with device-address contiguous pages
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*/
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struct vmw_sg_table {
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enum vmw_dma_map_mode mode;
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struct page **pages;
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const dma_addr_t *addrs;
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struct sg_table *sgt;
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unsigned long num_regions;
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unsigned long num_pages;
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};
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/**
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* struct vmw_piter - Page iterator that iterates over a list of pages
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* and DMA addresses that could be either a scatter-gather list or
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* arrays
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*
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* @pages: Array of page pointers to the pages.
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* @addrs: DMA addresses to the pages if coherent pages are used.
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* @iter: Scatter-gather page iterator. Current position in SG list.
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* @i: Current position in arrays.
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* @num_pages: Number of pages total.
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* @next: Function to advance the iterator. Returns false if past the list
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* of pages, true otherwise.
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* @dma_address: Function to return the DMA address of the current page.
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*/
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struct vmw_piter {
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struct page **pages;
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const dma_addr_t *addrs;
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struct sg_page_iter iter;
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unsigned long i;
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unsigned long num_pages;
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bool (*next)(struct vmw_piter *);
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dma_addr_t (*dma_address)(struct vmw_piter *);
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struct page *(*page)(struct vmw_piter *);
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};
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/*
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* enum vmw_display_unit_type - Describes the display unit
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*/
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enum vmw_display_unit_type {
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vmw_du_invalid = 0,
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vmw_du_legacy,
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vmw_du_screen_object,
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vmw_du_screen_target
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};
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struct vmw_sw_context{
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struct drm_open_hash res_ht;
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bool res_ht_initialized;
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bool kernel; /**< is the called made from the kernel */
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struct vmw_fpriv *fp;
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struct list_head validate_nodes;
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struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
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uint32_t cur_reloc;
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struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
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uint32_t cur_val_buf;
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uint32_t *cmd_bounce;
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uint32_t cmd_bounce_size;
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struct list_head resource_list;
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struct list_head ctx_resource_list; /* For contexts and cotables */
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struct vmw_dma_buffer *cur_query_bo;
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struct list_head res_relocations;
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uint32_t *buf_start;
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struct vmw_res_cache_entry res_cache[vmw_res_max];
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struct vmw_resource *last_query_ctx;
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bool needs_post_query_barrier;
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struct vmw_resource *error_resource;
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struct vmw_ctx_binding_state *staged_bindings;
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bool staged_bindings_inuse;
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struct list_head staged_cmd_res;
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struct vmw_resource_val_node *dx_ctx_node;
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struct vmw_dma_buffer *dx_query_mob;
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struct vmw_resource *dx_query_ctx;
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struct vmw_cmdbuf_res_manager *man;
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};
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struct vmw_legacy_display;
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struct vmw_overlay;
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struct vmw_master {
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struct ttm_lock lock;
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};
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struct vmw_vga_topology_state {
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uint32_t width;
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uint32_t height;
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uint32_t primary;
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uint32_t pos_x;
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uint32_t pos_y;
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};
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/*
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* struct vmw_otable - Guest Memory OBject table metadata
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*
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* @size: Size of the table (page-aligned).
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* @page_table: Pointer to a struct vmw_mob holding the page table.
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*/
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struct vmw_otable {
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unsigned long size;
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struct vmw_mob *page_table;
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bool enabled;
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};
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struct vmw_otable_batch {
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unsigned num_otables;
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struct vmw_otable *otables;
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struct vmw_resource *context;
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struct ttm_buffer_object *otable_bo;
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};
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struct vmw_private {
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struct ttm_bo_device bdev;
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struct ttm_bo_global_ref bo_global_ref;
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struct drm_global_reference mem_global_ref;
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struct vmw_fifo_state fifo;
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struct drm_device *dev;
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unsigned long vmw_chipset;
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unsigned int io_start;
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uint32_t vram_start;
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uint32_t vram_size;
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uint32_t prim_bb_mem;
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uint32_t mmio_start;
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uint32_t mmio_size;
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uint32_t fb_max_width;
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uint32_t fb_max_height;
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uint32_t texture_max_width;
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uint32_t texture_max_height;
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uint32_t stdu_max_width;
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uint32_t stdu_max_height;
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uint32_t initial_width;
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uint32_t initial_height;
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u32 *mmio_virt;
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uint32_t capabilities;
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uint32_t max_gmr_ids;
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uint32_t max_gmr_pages;
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uint32_t max_mob_pages;
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uint32_t max_mob_size;
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uint32_t memory_size;
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bool has_gmr;
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bool has_mob;
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spinlock_t hw_lock;
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spinlock_t cap_lock;
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bool has_dx;
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bool assume_16bpp;
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/*
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* VGA registers.
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*/
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struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
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uint32_t vga_width;
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uint32_t vga_height;
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uint32_t vga_bpp;
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uint32_t vga_bpl;
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uint32_t vga_pitchlock;
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uint32_t num_displays;
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/*
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* Framebuffer info.
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*/
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void *fb_info;
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enum vmw_display_unit_type active_display_unit;
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struct vmw_legacy_display *ldu_priv;
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struct vmw_overlay *overlay_priv;
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struct drm_property *hotplug_mode_update_property;
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struct drm_property *implicit_placement_property;
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unsigned num_implicit;
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struct vmw_framebuffer *implicit_fb;
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struct mutex global_kms_state_mutex;
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/*
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* Context and surface management.
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*/
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rwlock_t resource_lock;
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struct idr res_idr[vmw_res_max];
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/*
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* Block lastclose from racing with firstopen.
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*/
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struct mutex init_mutex;
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/*
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* A resource manager for kernel-only surfaces and
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* contexts.
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*/
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struct ttm_object_device *tdev;
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/*
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* Fencing and IRQs.
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*/
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atomic_t marker_seq;
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wait_queue_head_t fence_queue;
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wait_queue_head_t fifo_queue;
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spinlock_t waiter_lock;
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int fence_queue_waiters; /* Protected by waiter_lock */
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int goal_queue_waiters; /* Protected by waiter_lock */
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int cmdbuf_waiters; /* Protected by waiter_lock */
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int error_waiters; /* Protected by waiter_lock */
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int fifo_queue_waiters; /* Protected by waiter_lock */
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uint32_t last_read_seqno;
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struct vmw_fence_manager *fman;
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uint32_t irq_mask; /* Updates protected by waiter_lock */
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/*
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* Device state
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*/
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uint32_t traces_state;
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uint32_t enable_state;
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uint32_t config_done_state;
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/**
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* Execbuf
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*/
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/**
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* Protected by the cmdbuf mutex.
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*/
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struct vmw_sw_context ctx;
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struct mutex cmdbuf_mutex;
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struct mutex binding_mutex;
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/**
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* Operating mode.
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*/
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bool stealth;
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bool enable_fb;
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spinlock_t svga_lock;
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/**
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* Master management.
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*/
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struct vmw_master *active_master;
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struct vmw_master fbdev_master;
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struct notifier_block pm_nb;
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bool suspended;
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bool refuse_hibernation;
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struct mutex release_mutex;
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atomic_t num_fifo_resources;
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/*
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* Replace this with an rwsem as soon as we have down_xx_interruptible()
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*/
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struct ttm_lock reservation_sem;
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/*
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* Query processing. These members
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* are protected by the cmdbuf mutex.
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*/
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struct vmw_dma_buffer *dummy_query_bo;
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struct vmw_dma_buffer *pinned_bo;
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uint32_t query_cid;
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uint32_t query_cid_valid;
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bool dummy_query_bo_pinned;
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/*
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* Surface swapping. The "surface_lru" list is protected by the
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* resource lock in order to be able to destroy a surface and take
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* it off the lru atomically. "used_memory_size" is currently
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* protected by the cmdbuf mutex for simplicity.
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*/
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struct list_head res_lru[vmw_res_max];
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uint32_t used_memory_size;
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|
/*
|
|
* DMA mapping stuff.
|
|
*/
|
|
enum vmw_dma_map_mode map_mode;
|
|
|
|
/*
|
|
* Guest Backed stuff
|
|
*/
|
|
struct vmw_otable_batch otable_batch;
|
|
|
|
struct vmw_cmdbuf_man *cman;
|
|
};
|
|
|
|
static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
|
|
{
|
|
return container_of(res, struct vmw_surface, res);
|
|
}
|
|
|
|
static inline struct vmw_private *vmw_priv(struct drm_device *dev)
|
|
{
|
|
return (struct vmw_private *)dev->dev_private;
|
|
}
|
|
|
|
static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
|
|
{
|
|
return (struct vmw_fpriv *)file_priv->driver_priv;
|
|
}
|
|
|
|
static inline struct vmw_master *vmw_master(struct drm_master *master)
|
|
{
|
|
return (struct vmw_master *) master->driver_priv;
|
|
}
|
|
|
|
/*
|
|
* The locking here is fine-grained, so that it is performed once
|
|
* for every read- and write operation. This is of course costly, but we
|
|
* don't perform much register access in the timing critical paths anyway.
|
|
* Instead we have the extra benefit of being sure that we don't forget
|
|
* the hw lock around register accesses.
|
|
*/
|
|
static inline void vmw_write(struct vmw_private *dev_priv,
|
|
unsigned int offset, uint32_t value)
|
|
{
|
|
unsigned long irq_flags;
|
|
|
|
spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
|
|
outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
|
|
outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
|
|
spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
|
|
}
|
|
|
|
static inline uint32_t vmw_read(struct vmw_private *dev_priv,
|
|
unsigned int offset)
|
|
{
|
|
unsigned long irq_flags;
|
|
u32 val;
|
|
|
|
spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
|
|
outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
|
|
val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
|
|
spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
|
|
|
|
return val;
|
|
}
|
|
|
|
extern void vmw_svga_enable(struct vmw_private *dev_priv);
|
|
extern void vmw_svga_disable(struct vmw_private *dev_priv);
|
|
|
|
|
|
/**
|
|
* GMR utilities - vmwgfx_gmr.c
|
|
*/
|
|
|
|
extern int vmw_gmr_bind(struct vmw_private *dev_priv,
|
|
const struct vmw_sg_table *vsgt,
|
|
unsigned long num_pages,
|
|
int gmr_id);
|
|
extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
|
|
|
|
/**
|
|
* Resource utilities - vmwgfx_resource.c
|
|
*/
|
|
struct vmw_user_resource_conv;
|
|
|
|
extern void vmw_resource_unreference(struct vmw_resource **p_res);
|
|
extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
|
|
extern struct vmw_resource *
|
|
vmw_resource_reference_unless_doomed(struct vmw_resource *res);
|
|
extern int vmw_resource_validate(struct vmw_resource *res);
|
|
extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
|
|
bool no_backup);
|
|
extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
|
|
extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
uint32_t handle,
|
|
struct vmw_surface **out_surf,
|
|
struct vmw_dma_buffer **out_buf);
|
|
extern int vmw_user_resource_lookup_handle(
|
|
struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
uint32_t handle,
|
|
const struct vmw_user_resource_conv *converter,
|
|
struct vmw_resource **p_res);
|
|
extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
|
|
extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *vmw_bo,
|
|
size_t size, struct ttm_placement *placement,
|
|
bool interuptable,
|
|
void (*bo_free) (struct ttm_buffer_object *bo));
|
|
extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
|
|
struct ttm_object_file *tfile);
|
|
extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
uint32_t size,
|
|
bool shareable,
|
|
uint32_t *handle,
|
|
struct vmw_dma_buffer **p_dma_buf,
|
|
struct ttm_base_object **p_base);
|
|
extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
|
|
struct vmw_dma_buffer *dma_buf,
|
|
uint32_t *handle);
|
|
extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
|
|
uint32_t cur_validate_node);
|
|
extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
|
|
extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
|
|
uint32_t id, struct vmw_dma_buffer **out,
|
|
struct ttm_base_object **base);
|
|
extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
uint32_t *inout_id,
|
|
struct vmw_resource **out);
|
|
extern void vmw_resource_unreserve(struct vmw_resource *res,
|
|
bool switch_backup,
|
|
struct vmw_dma_buffer *new_backup,
|
|
unsigned long new_backup_offset);
|
|
extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
|
|
struct ttm_mem_reg *mem);
|
|
extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
|
|
struct ttm_mem_reg *mem);
|
|
extern int vmw_query_readback_all(struct vmw_dma_buffer *dx_query_mob);
|
|
extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
|
|
struct vmw_fence_obj *fence);
|
|
extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
|
|
|
|
/**
|
|
* DMA buffer helper routines - vmwgfx_dmabuf.c
|
|
*/
|
|
extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
|
|
struct vmw_dma_buffer *bo,
|
|
struct ttm_placement *placement,
|
|
bool interruptible);
|
|
extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *buf,
|
|
bool interruptible);
|
|
extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *buf,
|
|
bool interruptible);
|
|
extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
|
|
struct vmw_dma_buffer *bo,
|
|
bool interruptible);
|
|
extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
|
|
struct vmw_dma_buffer *bo,
|
|
bool interruptible);
|
|
extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
|
|
SVGAGuestPtr *ptr);
|
|
extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
|
|
|
|
/**
|
|
* Misc Ioctl functionality - vmwgfx_ioctl.c
|
|
*/
|
|
|
|
extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_present_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern unsigned int vmw_fops_poll(struct file *filp,
|
|
struct poll_table_struct *wait);
|
|
extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
|
|
size_t count, loff_t *offset);
|
|
|
|
/**
|
|
* Fifo utilities - vmwgfx_fifo.c
|
|
*/
|
|
|
|
extern int vmw_fifo_init(struct vmw_private *dev_priv,
|
|
struct vmw_fifo_state *fifo);
|
|
extern void vmw_fifo_release(struct vmw_private *dev_priv,
|
|
struct vmw_fifo_state *fifo);
|
|
extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
|
|
extern void *
|
|
vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
|
|
extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
|
|
extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
|
|
extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
|
|
uint32_t *seqno);
|
|
extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
|
|
extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
|
|
extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
|
|
extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
|
|
extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
|
|
uint32_t cid);
|
|
extern int vmw_fifo_flush(struct vmw_private *dev_priv,
|
|
bool interruptible);
|
|
|
|
/**
|
|
* TTM glue - vmwgfx_ttm_glue.c
|
|
*/
|
|
|
|
extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
|
|
extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
|
|
extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
|
|
|
|
/**
|
|
* TTM buffer object driver - vmwgfx_buffer.c
|
|
*/
|
|
|
|
extern const size_t vmw_tt_size;
|
|
extern struct ttm_placement vmw_vram_placement;
|
|
extern struct ttm_placement vmw_vram_ne_placement;
|
|
extern struct ttm_placement vmw_vram_sys_placement;
|
|
extern struct ttm_placement vmw_vram_gmr_placement;
|
|
extern struct ttm_placement vmw_vram_gmr_ne_placement;
|
|
extern struct ttm_placement vmw_sys_placement;
|
|
extern struct ttm_placement vmw_sys_ne_placement;
|
|
extern struct ttm_placement vmw_evictable_placement;
|
|
extern struct ttm_placement vmw_srf_placement;
|
|
extern struct ttm_placement vmw_mob_placement;
|
|
extern struct ttm_placement vmw_mob_ne_placement;
|
|
extern struct ttm_bo_driver vmw_bo_driver;
|
|
extern int vmw_dma_quiescent(struct drm_device *dev);
|
|
extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
|
|
extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
|
|
extern const struct vmw_sg_table *
|
|
vmw_bo_sg_table(struct ttm_buffer_object *bo);
|
|
extern void vmw_piter_start(struct vmw_piter *viter,
|
|
const struct vmw_sg_table *vsgt,
|
|
unsigned long p_offs);
|
|
|
|
/**
|
|
* vmw_piter_next - Advance the iterator one page.
|
|
*
|
|
* @viter: Pointer to the iterator to advance.
|
|
*
|
|
* Returns false if past the list of pages, true otherwise.
|
|
*/
|
|
static inline bool vmw_piter_next(struct vmw_piter *viter)
|
|
{
|
|
return viter->next(viter);
|
|
}
|
|
|
|
/**
|
|
* vmw_piter_dma_addr - Return the DMA address of the current page.
|
|
*
|
|
* @viter: Pointer to the iterator
|
|
*
|
|
* Returns the DMA address of the page pointed to by @viter.
|
|
*/
|
|
static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
|
|
{
|
|
return viter->dma_address(viter);
|
|
}
|
|
|
|
/**
|
|
* vmw_piter_page - Return a pointer to the current page.
|
|
*
|
|
* @viter: Pointer to the iterator
|
|
*
|
|
* Returns the DMA address of the page pointed to by @viter.
|
|
*/
|
|
static inline struct page *vmw_piter_page(struct vmw_piter *viter)
|
|
{
|
|
return viter->page(viter);
|
|
}
|
|
|
|
/**
|
|
* Command submission - vmwgfx_execbuf.c
|
|
*/
|
|
|
|
extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
|
|
struct drm_file *file_priv, size_t size);
|
|
extern int vmw_execbuf_process(struct drm_file *file_priv,
|
|
struct vmw_private *dev_priv,
|
|
void __user *user_commands,
|
|
void *kernel_commands,
|
|
uint32_t command_size,
|
|
uint64_t throttle_us,
|
|
uint32_t dx_context_handle,
|
|
struct drm_vmw_fence_rep __user
|
|
*user_fence_rep,
|
|
struct vmw_fence_obj **out_fence);
|
|
extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
|
|
struct vmw_fence_obj *fence);
|
|
extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
|
|
|
|
extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
|
|
struct vmw_private *dev_priv,
|
|
struct vmw_fence_obj **p_fence,
|
|
uint32_t *p_handle);
|
|
extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
|
|
struct vmw_fpriv *vmw_fp,
|
|
int ret,
|
|
struct drm_vmw_fence_rep __user
|
|
*user_fence_rep,
|
|
struct vmw_fence_obj *fence,
|
|
uint32_t fence_handle);
|
|
extern int vmw_validate_single_buffer(struct vmw_private *dev_priv,
|
|
struct ttm_buffer_object *bo,
|
|
bool interruptible,
|
|
bool validate_as_mob);
|
|
|
|
|
|
/**
|
|
* IRQs and wating - vmwgfx_irq.c
|
|
*/
|
|
|
|
extern irqreturn_t vmw_irq_handler(int irq, void *arg);
|
|
extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
|
|
uint32_t seqno, bool interruptible,
|
|
unsigned long timeout);
|
|
extern void vmw_irq_preinstall(struct drm_device *dev);
|
|
extern int vmw_irq_postinstall(struct drm_device *dev);
|
|
extern void vmw_irq_uninstall(struct drm_device *dev);
|
|
extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
|
|
uint32_t seqno);
|
|
extern int vmw_fallback_wait(struct vmw_private *dev_priv,
|
|
bool lazy,
|
|
bool fifo_idle,
|
|
uint32_t seqno,
|
|
bool interruptible,
|
|
unsigned long timeout);
|
|
extern void vmw_update_seqno(struct vmw_private *dev_priv,
|
|
struct vmw_fifo_state *fifo_state);
|
|
extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
|
|
extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
|
|
extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
|
|
extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
|
|
extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
|
|
int *waiter_count);
|
|
extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
|
|
u32 flag, int *waiter_count);
|
|
|
|
/**
|
|
* Rudimentary fence-like objects currently used only for throttling -
|
|
* vmwgfx_marker.c
|
|
*/
|
|
|
|
extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
|
|
extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
|
|
extern int vmw_marker_push(struct vmw_marker_queue *queue,
|
|
uint32_t seqno);
|
|
extern int vmw_marker_pull(struct vmw_marker_queue *queue,
|
|
uint32_t signaled_seqno);
|
|
extern int vmw_wait_lag(struct vmw_private *dev_priv,
|
|
struct vmw_marker_queue *queue, uint32_t us);
|
|
|
|
/**
|
|
* Kernel framebuffer - vmwgfx_fb.c
|
|
*/
|
|
|
|
int vmw_fb_init(struct vmw_private *vmw_priv);
|
|
int vmw_fb_close(struct vmw_private *dev_priv);
|
|
int vmw_fb_off(struct vmw_private *vmw_priv);
|
|
int vmw_fb_on(struct vmw_private *vmw_priv);
|
|
|
|
/**
|
|
* Kernel modesetting - vmwgfx_kms.c
|
|
*/
|
|
|
|
int vmw_kms_init(struct vmw_private *dev_priv);
|
|
int vmw_kms_close(struct vmw_private *dev_priv);
|
|
int vmw_kms_save_vga(struct vmw_private *vmw_priv);
|
|
int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
|
|
int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
|
|
void vmw_kms_cursor_snoop(struct vmw_surface *srf,
|
|
struct ttm_object_file *tfile,
|
|
struct ttm_buffer_object *bo,
|
|
SVGA3dCmdHeader *header);
|
|
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
|
|
unsigned width, unsigned height, unsigned pitch,
|
|
unsigned bpp, unsigned depth);
|
|
void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
|
|
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
|
|
uint32_t pitch,
|
|
uint32_t height);
|
|
u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
|
|
int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe);
|
|
void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe);
|
|
int vmw_kms_present(struct vmw_private *dev_priv,
|
|
struct drm_file *file_priv,
|
|
struct vmw_framebuffer *vfb,
|
|
struct vmw_surface *surface,
|
|
uint32_t sid, int32_t destX, int32_t destY,
|
|
struct drm_vmw_rect *clips,
|
|
uint32_t num_clips);
|
|
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
|
|
|
|
int vmw_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
|
|
int vmw_dumb_map_offset(struct drm_file *file_priv,
|
|
struct drm_device *dev, uint32_t handle,
|
|
uint64_t *offset);
|
|
int vmw_dumb_destroy(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
uint32_t handle);
|
|
extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
|
|
extern void vmw_resource_unpin(struct vmw_resource *res);
|
|
extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
|
|
|
|
/**
|
|
* Overlay control - vmwgfx_overlay.c
|
|
*/
|
|
|
|
int vmw_overlay_init(struct vmw_private *dev_priv);
|
|
int vmw_overlay_close(struct vmw_private *dev_priv);
|
|
int vmw_overlay_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int vmw_overlay_stop_all(struct vmw_private *dev_priv);
|
|
int vmw_overlay_resume_all(struct vmw_private *dev_priv);
|
|
int vmw_overlay_pause_all(struct vmw_private *dev_priv);
|
|
int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
|
|
int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
|
|
int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
|
|
int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
|
|
|
|
/**
|
|
* GMR Id manager
|
|
*/
|
|
|
|
extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
|
|
|
|
/**
|
|
* Prime - vmwgfx_prime.c
|
|
*/
|
|
|
|
extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
|
|
extern int vmw_prime_fd_to_handle(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
int fd, u32 *handle);
|
|
extern int vmw_prime_handle_to_fd(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
uint32_t handle, uint32_t flags,
|
|
int *prime_fd);
|
|
|
|
/*
|
|
* MemoryOBject management - vmwgfx_mob.c
|
|
*/
|
|
struct vmw_mob;
|
|
extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
|
|
const struct vmw_sg_table *vsgt,
|
|
unsigned long num_data_pages, int32_t mob_id);
|
|
extern void vmw_mob_unbind(struct vmw_private *dev_priv,
|
|
struct vmw_mob *mob);
|
|
extern void vmw_mob_destroy(struct vmw_mob *mob);
|
|
extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
|
|
extern int vmw_otables_setup(struct vmw_private *dev_priv);
|
|
extern void vmw_otables_takedown(struct vmw_private *dev_priv);
|
|
|
|
/*
|
|
* Context management - vmwgfx_context.c
|
|
*/
|
|
|
|
extern const struct vmw_user_resource_conv *user_context_converter;
|
|
|
|
extern int vmw_context_check(struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
int id,
|
|
struct vmw_resource **p_res);
|
|
extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
|
|
extern struct vmw_cmdbuf_res_manager *
|
|
vmw_context_res_man(struct vmw_resource *ctx);
|
|
extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
|
|
SVGACOTableType cotable_type);
|
|
extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
|
|
struct vmw_ctx_binding_state;
|
|
extern struct vmw_ctx_binding_state *
|
|
vmw_context_binding_state(struct vmw_resource *ctx);
|
|
extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
|
|
bool readback);
|
|
extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
|
|
struct vmw_dma_buffer *mob);
|
|
extern struct vmw_dma_buffer *
|
|
vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
|
|
|
|
|
|
/*
|
|
* Surface management - vmwgfx_surface.c
|
|
*/
|
|
|
|
extern const struct vmw_user_resource_conv *user_surface_converter;
|
|
|
|
extern void vmw_surface_res_free(struct vmw_resource *res);
|
|
extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_surface_check(struct vmw_private *dev_priv,
|
|
struct ttm_object_file *tfile,
|
|
uint32_t handle, int *id);
|
|
extern int vmw_surface_validate(struct vmw_private *dev_priv,
|
|
struct vmw_surface *srf);
|
|
int vmw_surface_gb_priv_define(struct drm_device *dev,
|
|
uint32_t user_accounting_size,
|
|
uint32_t svga3d_flags,
|
|
SVGA3dSurfaceFormat format,
|
|
bool for_scanout,
|
|
uint32_t num_mip_levels,
|
|
uint32_t multisample_count,
|
|
uint32_t array_size,
|
|
struct drm_vmw_size size,
|
|
struct vmw_surface **srf_out);
|
|
|
|
/*
|
|
* Shader management - vmwgfx_shader.c
|
|
*/
|
|
|
|
extern const struct vmw_user_resource_conv *user_shader_converter;
|
|
|
|
extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
|
|
struct vmw_cmdbuf_res_manager *man,
|
|
u32 user_key, const void *bytecode,
|
|
SVGA3dShaderType shader_type,
|
|
size_t size,
|
|
struct list_head *list);
|
|
extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
|
|
u32 user_key, SVGA3dShaderType shader_type,
|
|
struct list_head *list);
|
|
extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
|
|
struct vmw_resource *ctx,
|
|
u32 user_key,
|
|
SVGA3dShaderType shader_type,
|
|
struct list_head *list);
|
|
extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
|
|
struct list_head *list,
|
|
bool readback);
|
|
|
|
extern struct vmw_resource *
|
|
vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
|
|
u32 user_key, SVGA3dShaderType shader_type);
|
|
|
|
/*
|
|
* Command buffer managed resources - vmwgfx_cmdbuf_res.c
|
|
*/
|
|
|
|
extern struct vmw_cmdbuf_res_manager *
|
|
vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
|
|
extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
|
|
extern size_t vmw_cmdbuf_res_man_size(void);
|
|
extern struct vmw_resource *
|
|
vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
|
|
enum vmw_cmdbuf_res_type res_type,
|
|
u32 user_key);
|
|
extern void vmw_cmdbuf_res_revert(struct list_head *list);
|
|
extern void vmw_cmdbuf_res_commit(struct list_head *list);
|
|
extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
|
|
enum vmw_cmdbuf_res_type res_type,
|
|
u32 user_key,
|
|
struct vmw_resource *res,
|
|
struct list_head *list);
|
|
extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
|
|
enum vmw_cmdbuf_res_type res_type,
|
|
u32 user_key,
|
|
struct list_head *list,
|
|
struct vmw_resource **res);
|
|
|
|
/*
|
|
* COTable management - vmwgfx_cotable.c
|
|
*/
|
|
extern const SVGACOTableType vmw_cotable_scrub_order[];
|
|
extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
|
|
struct vmw_resource *ctx,
|
|
u32 type);
|
|
extern int vmw_cotable_notify(struct vmw_resource *res, int id);
|
|
extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
|
|
extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
|
|
struct list_head *head);
|
|
|
|
/*
|
|
* Command buffer managerment vmwgfx_cmdbuf.c
|
|
*/
|
|
struct vmw_cmdbuf_man;
|
|
struct vmw_cmdbuf_header;
|
|
|
|
extern struct vmw_cmdbuf_man *
|
|
vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
|
|
extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
|
|
size_t size, size_t default_size);
|
|
extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
|
|
extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
|
|
extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
|
|
unsigned long timeout);
|
|
extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
|
|
int ctx_id, bool interruptible,
|
|
struct vmw_cmdbuf_header *header);
|
|
extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
|
|
struct vmw_cmdbuf_header *header,
|
|
bool flush);
|
|
extern void vmw_cmdbuf_tasklet_schedule(struct vmw_cmdbuf_man *man);
|
|
extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
|
|
size_t size, bool interruptible,
|
|
struct vmw_cmdbuf_header **p_header);
|
|
extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
|
|
extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
|
|
bool interruptible);
|
|
|
|
|
|
/**
|
|
* Inline helper functions
|
|
*/
|
|
|
|
static inline void vmw_surface_unreference(struct vmw_surface **srf)
|
|
{
|
|
struct vmw_surface *tmp_srf = *srf;
|
|
struct vmw_resource *res = &tmp_srf->res;
|
|
*srf = NULL;
|
|
|
|
vmw_resource_unreference(&res);
|
|
}
|
|
|
|
static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
|
|
{
|
|
(void) vmw_resource_reference(&srf->res);
|
|
return srf;
|
|
}
|
|
|
|
static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
|
|
{
|
|
struct vmw_dma_buffer *tmp_buf = *buf;
|
|
|
|
*buf = NULL;
|
|
if (tmp_buf != NULL) {
|
|
struct ttm_buffer_object *bo = &tmp_buf->base;
|
|
|
|
ttm_bo_unref(&bo);
|
|
}
|
|
}
|
|
|
|
static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
|
|
{
|
|
if (ttm_bo_reference(&buf->base))
|
|
return buf;
|
|
return NULL;
|
|
}
|
|
|
|
static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
|
|
{
|
|
return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
|
|
}
|
|
|
|
static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
|
|
{
|
|
atomic_inc(&dev_priv->num_fifo_resources);
|
|
}
|
|
|
|
static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
|
|
{
|
|
atomic_dec(&dev_priv->num_fifo_resources);
|
|
}
|
|
|
|
/**
|
|
* vmw_mmio_read - Perform a MMIO read from volatile memory
|
|
*
|
|
* @addr: The address to read from
|
|
*
|
|
* This function is intended to be equivalent to ioread32() on
|
|
* memremap'd memory, but without byteswapping.
|
|
*/
|
|
static inline u32 vmw_mmio_read(u32 *addr)
|
|
{
|
|
return READ_ONCE(*addr);
|
|
}
|
|
|
|
/**
|
|
* vmw_mmio_write - Perform a MMIO write to volatile memory
|
|
*
|
|
* @addr: The address to write to
|
|
*
|
|
* This function is intended to be equivalent to iowrite32 on
|
|
* memremap'd memory, but without byteswapping.
|
|
*/
|
|
static inline void vmw_mmio_write(u32 value, u32 *addr)
|
|
{
|
|
WRITE_ONCE(*addr, value);
|
|
}
|
|
|
|
/**
|
|
* Add vmw_msg module function
|
|
*/
|
|
extern int vmw_host_log(const char *log);
|
|
|
|
#endif
|