| /************************************************************************** |
| * |
| * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef _VMWGFX_DRV_H_ |
| #define _VMWGFX_DRV_H_ |
| |
| #include "vmwgfx_reg.h" |
| #include <drm/drmP.h> |
| #include <drm/vmwgfx_drm.h> |
| #include <drm/drm_hashtab.h> |
| #include <linux/suspend.h> |
| #include <drm/ttm/ttm_bo_driver.h> |
| #include <drm/ttm/ttm_object.h> |
| #include <drm/ttm/ttm_lock.h> |
| #include <drm/ttm/ttm_execbuf_util.h> |
| #include <drm/ttm/ttm_module.h> |
| #include "vmwgfx_fence.h" |
| |
| #define VMWGFX_DRIVER_DATE "20150810" |
| #define VMWGFX_DRIVER_MAJOR 2 |
| #define VMWGFX_DRIVER_MINOR 9 |
| #define VMWGFX_DRIVER_PATCHLEVEL 0 |
| #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 |
| #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) |
| #define VMWGFX_MAX_RELOCATIONS 2048 |
| #define VMWGFX_MAX_VALIDATIONS 2048 |
| #define VMWGFX_MAX_DISPLAYS 16 |
| #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 |
| #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 |
| |
| /* |
| * Perhaps we should have sysfs entries for these. |
| */ |
| #define VMWGFX_NUM_GB_CONTEXT 256 |
| #define VMWGFX_NUM_GB_SHADER 20000 |
| #define VMWGFX_NUM_GB_SURFACE 32768 |
| #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS |
| #define VMWGFX_NUM_DXCONTEXT 256 |
| #define VMWGFX_NUM_DXQUERY 512 |
| #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ |
| VMWGFX_NUM_GB_SHADER +\ |
| VMWGFX_NUM_GB_SURFACE +\ |
| VMWGFX_NUM_GB_SCREEN_TARGET) |
| |
| #define VMW_PL_GMR TTM_PL_PRIV0 |
| #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0 |
| #define VMW_PL_MOB TTM_PL_PRIV1 |
| #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1 |
| |
| #define VMW_RES_CONTEXT ttm_driver_type0 |
| #define VMW_RES_SURFACE ttm_driver_type1 |
| #define VMW_RES_STREAM ttm_driver_type2 |
| #define VMW_RES_FENCE ttm_driver_type3 |
| #define VMW_RES_SHADER ttm_driver_type4 |
| |
| struct vmw_fpriv { |
| struct drm_master *locked_master; |
| struct ttm_object_file *tfile; |
| struct list_head fence_events; |
| bool gb_aware; |
| }; |
| |
| struct vmw_dma_buffer { |
| struct ttm_buffer_object base; |
| struct list_head res_list; |
| s32 pin_count; |
| /* Not ref-counted. Protected by binding_mutex */ |
| struct vmw_resource *dx_query_ctx; |
| }; |
| |
| /** |
| * struct vmw_validate_buffer - Carries validation info about buffers. |
| * |
| * @base: Validation info for TTM. |
| * @hash: Hash entry for quick lookup of the TTM buffer object. |
| * |
| * This structure contains also driver private validation info |
| * on top of the info needed by TTM. |
| */ |
| struct vmw_validate_buffer { |
| struct ttm_validate_buffer base; |
| struct drm_hash_item hash; |
| bool validate_as_mob; |
| }; |
| |
| struct vmw_res_func; |
| struct vmw_resource { |
| struct kref kref; |
| struct vmw_private *dev_priv; |
| int id; |
| bool avail; |
| unsigned long backup_size; |
| bool res_dirty; /* Protected by backup buffer reserved */ |
| bool backup_dirty; /* Protected by backup buffer reserved */ |
| struct vmw_dma_buffer *backup; |
| unsigned long backup_offset; |
| unsigned long pin_count; /* Protected by resource reserved */ |
| const struct vmw_res_func *func; |
| struct list_head lru_head; /* Protected by the resource lock */ |
| struct list_head mob_head; /* Protected by @backup reserved */ |
| struct list_head binding_head; /* Protected by binding_mutex */ |
| void (*res_free) (struct vmw_resource *res); |
| void (*hw_destroy) (struct vmw_resource *res); |
| }; |
| |
| |
| /* |
| * Resources that are managed using ioctls. |
| */ |
| enum vmw_res_type { |
| vmw_res_context, |
| vmw_res_surface, |
| vmw_res_stream, |
| vmw_res_shader, |
| vmw_res_dx_context, |
| vmw_res_cotable, |
| vmw_res_view, |
| vmw_res_max |
| }; |
| |
| /* |
| * Resources that are managed using command streams. |
| */ |
| enum vmw_cmdbuf_res_type { |
| vmw_cmdbuf_res_shader, |
| vmw_cmdbuf_res_view |
| }; |
| |
| struct vmw_cmdbuf_res_manager; |
| |
| struct vmw_cursor_snooper { |
| struct drm_crtc *crtc; |
| size_t age; |
| uint32_t *image; |
| }; |
| |
| struct vmw_framebuffer; |
| struct vmw_surface_offset; |
| |
| struct vmw_surface { |
| struct vmw_resource res; |
| uint32_t flags; |
| uint32_t format; |
| uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; |
| struct drm_vmw_size base_size; |
| struct drm_vmw_size *sizes; |
| uint32_t num_sizes; |
| bool scanout; |
| uint32_t array_size; |
| /* TODO so far just a extra pointer */ |
| struct vmw_cursor_snooper snooper; |
| struct vmw_surface_offset *offsets; |
| SVGA3dTextureFilter autogen_filter; |
| uint32_t multisample_count; |
| struct list_head view_list; |
| }; |
| |
| struct vmw_marker_queue { |
| struct list_head head; |
| u64 lag; |
| u64 lag_time; |
| spinlock_t lock; |
| }; |
| |
| struct vmw_fifo_state { |
| unsigned long reserved_size; |
| u32 *dynamic_buffer; |
| u32 *static_buffer; |
| unsigned long static_buffer_size; |
| bool using_bounce_buffer; |
| uint32_t capabilities; |
| struct mutex fifo_mutex; |
| struct rw_semaphore rwsem; |
| struct vmw_marker_queue marker_queue; |
| bool dx; |
| }; |
| |
| struct vmw_relocation { |
| SVGAMobId *mob_loc; |
| SVGAGuestPtr *location; |
| uint32_t index; |
| }; |
| |
| /** |
| * struct vmw_res_cache_entry - resource information cache entry |
| * |
| * @valid: Whether the entry is valid, which also implies that the execbuf |
| * code holds a reference to the resource, and it's placed on the |
| * validation list. |
| * @handle: User-space handle of a resource. |
| * @res: Non-ref-counted pointer to the resource. |
| * |
| * Used to avoid frequent repeated user-space handle lookups of the |
| * same resource. |
| */ |
| struct vmw_res_cache_entry { |
| bool valid; |
| uint32_t handle; |
| struct vmw_resource *res; |
| struct vmw_resource_val_node *node; |
| }; |
| |
| /** |
| * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. |
| */ |
| enum vmw_dma_map_mode { |
| vmw_dma_phys, /* Use physical page addresses */ |
| vmw_dma_alloc_coherent, /* Use TTM coherent pages */ |
| vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ |
| vmw_dma_map_bind, /* Unmap from DMA just before unbind */ |
| vmw_dma_map_max |
| }; |
| |
| /** |
| * struct vmw_sg_table - Scatter/gather table for binding, with additional |
| * device-specific information. |
| * |
| * @sgt: Pointer to a struct sg_table with binding information |
| * @num_regions: Number of regions with device-address contiguous pages |
| */ |
| struct vmw_sg_table { |
| enum vmw_dma_map_mode mode; |
| struct page **pages; |
| const dma_addr_t *addrs; |
| struct sg_table *sgt; |
| unsigned long num_regions; |
| unsigned long num_pages; |
| }; |
| |
| /** |
| * struct vmw_piter - Page iterator that iterates over a list of pages |
| * and DMA addresses that could be either a scatter-gather list or |
| * arrays |
| * |
| * @pages: Array of page pointers to the pages. |
| * @addrs: DMA addresses to the pages if coherent pages are used. |
| * @iter: Scatter-gather page iterator. Current position in SG list. |
| * @i: Current position in arrays. |
| * @num_pages: Number of pages total. |
| * @next: Function to advance the iterator. Returns false if past the list |
| * of pages, true otherwise. |
| * @dma_address: Function to return the DMA address of the current page. |
| */ |
| struct vmw_piter { |
| struct page **pages; |
| const dma_addr_t *addrs; |
| struct sg_page_iter iter; |
| unsigned long i; |
| unsigned long num_pages; |
| bool (*next)(struct vmw_piter *); |
| dma_addr_t (*dma_address)(struct vmw_piter *); |
| struct page *(*page)(struct vmw_piter *); |
| }; |
| |
| /* |
| * enum vmw_display_unit_type - Describes the display unit |
| */ |
| enum vmw_display_unit_type { |
| vmw_du_invalid = 0, |
| vmw_du_legacy, |
| vmw_du_screen_object, |
| vmw_du_screen_target |
| }; |
| |
| |
| struct vmw_sw_context{ |
| struct drm_open_hash res_ht; |
| bool res_ht_initialized; |
| bool kernel; /**< is the called made from the kernel */ |
| struct vmw_fpriv *fp; |
| struct list_head validate_nodes; |
| struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; |
| uint32_t cur_reloc; |
| struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; |
| uint32_t cur_val_buf; |
| uint32_t *cmd_bounce; |
| uint32_t cmd_bounce_size; |
| struct list_head resource_list; |
| struct list_head ctx_resource_list; /* For contexts and cotables */ |
| struct vmw_dma_buffer *cur_query_bo; |
| struct list_head res_relocations; |
| uint32_t *buf_start; |
| struct vmw_res_cache_entry res_cache[vmw_res_max]; |
| struct vmw_resource *last_query_ctx; |
| bool needs_post_query_barrier; |
| struct vmw_resource *error_resource; |
| struct vmw_ctx_binding_state *staged_bindings; |
| bool staged_bindings_inuse; |
| struct list_head staged_cmd_res; |
| struct vmw_resource_val_node *dx_ctx_node; |
| struct vmw_dma_buffer *dx_query_mob; |
| struct vmw_resource *dx_query_ctx; |
| struct vmw_cmdbuf_res_manager *man; |
| }; |
| |
| struct vmw_legacy_display; |
| struct vmw_overlay; |
| |
| struct vmw_master { |
| struct ttm_lock lock; |
| }; |
| |
| struct vmw_vga_topology_state { |
| uint32_t width; |
| uint32_t height; |
| uint32_t primary; |
| uint32_t pos_x; |
| uint32_t pos_y; |
| }; |
| |
| |
| /* |
| * struct vmw_otable - Guest Memory OBject table metadata |
| * |
| * @size: Size of the table (page-aligned). |
| * @page_table: Pointer to a struct vmw_mob holding the page table. |
| */ |
| struct vmw_otable { |
| unsigned long size; |
| struct vmw_mob *page_table; |
| bool enabled; |
| }; |
| |
| struct vmw_otable_batch { |
| unsigned num_otables; |
| struct vmw_otable *otables; |
| struct vmw_resource *context; |
| struct ttm_buffer_object *otable_bo; |
| }; |
| |
| struct vmw_private { |
| struct ttm_bo_device bdev; |
| struct ttm_bo_global_ref bo_global_ref; |
| struct drm_global_reference mem_global_ref; |
| |
| struct vmw_fifo_state fifo; |
| |
| struct drm_device *dev; |
| unsigned long vmw_chipset; |
| unsigned int io_start; |
| uint32_t vram_start; |
| uint32_t vram_size; |
| uint32_t prim_bb_mem; |
| uint32_t mmio_start; |
| uint32_t mmio_size; |
| uint32_t fb_max_width; |
| uint32_t fb_max_height; |
| uint32_t texture_max_width; |
| uint32_t texture_max_height; |
| uint32_t stdu_max_width; |
| uint32_t stdu_max_height; |
| uint32_t initial_width; |
| uint32_t initial_height; |
| u32 *mmio_virt; |
| uint32_t capabilities; |
| uint32_t max_gmr_ids; |
| uint32_t max_gmr_pages; |
| uint32_t max_mob_pages; |
| uint32_t max_mob_size; |
| uint32_t memory_size; |
| bool has_gmr; |
| bool has_mob; |
| spinlock_t hw_lock; |
| spinlock_t cap_lock; |
| bool has_dx; |
| bool assume_16bpp; |
| |
| /* |
| * VGA registers. |
| */ |
| |
| struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; |
| uint32_t vga_width; |
| uint32_t vga_height; |
| uint32_t vga_bpp; |
| uint32_t vga_bpl; |
| uint32_t vga_pitchlock; |
| |
| uint32_t num_displays; |
| |
| /* |
| * Framebuffer info. |
| */ |
| |
| void *fb_info; |
| enum vmw_display_unit_type active_display_unit; |
| struct vmw_legacy_display *ldu_priv; |
| struct vmw_screen_object_display *sou_priv; |
| struct vmw_overlay *overlay_priv; |
| |
| /* |
| * Context and surface management. |
| */ |
| |
| rwlock_t resource_lock; |
| struct idr res_idr[vmw_res_max]; |
| /* |
| * Block lastclose from racing with firstopen. |
| */ |
| |
| struct mutex init_mutex; |
| |
| /* |
| * A resource manager for kernel-only surfaces and |
| * contexts. |
| */ |
| |
| struct ttm_object_device *tdev; |
| |
| /* |
| * Fencing and IRQs. |
| */ |
| |
| atomic_t marker_seq; |
| wait_queue_head_t fence_queue; |
| wait_queue_head_t fifo_queue; |
| spinlock_t waiter_lock; |
| int fence_queue_waiters; /* Protected by waiter_lock */ |
| int goal_queue_waiters; /* Protected by waiter_lock */ |
| int cmdbuf_waiters; /* Protected by waiter_lock */ |
| int error_waiters; /* Protected by waiter_lock */ |
| int fifo_queue_waiters; /* Protected by waiter_lock */ |
| uint32_t last_read_seqno; |
| struct vmw_fence_manager *fman; |
| uint32_t irq_mask; /* Updates protected by waiter_lock */ |
| |
| /* |
| * Device state |
| */ |
| |
| uint32_t traces_state; |
| uint32_t enable_state; |
| uint32_t config_done_state; |
| |
| /** |
| * Execbuf |
| */ |
| /** |
| * Protected by the cmdbuf mutex. |
| */ |
| |
| struct vmw_sw_context ctx; |
| struct mutex cmdbuf_mutex; |
| struct mutex binding_mutex; |
| |
| /** |
| * Operating mode. |
| */ |
| |
| bool stealth; |
| bool enable_fb; |
| spinlock_t svga_lock; |
| |
| /** |
| * Master management. |
| */ |
| |
| struct vmw_master *active_master; |
| struct vmw_master fbdev_master; |
| struct notifier_block pm_nb; |
| bool suspended; |
| bool refuse_hibernation; |
| |
| struct mutex release_mutex; |
| atomic_t num_fifo_resources; |
| |
| /* |
| * Replace this with an rwsem as soon as we have down_xx_interruptible() |
| */ |
| struct ttm_lock reservation_sem; |
| |
| /* |
| * Query processing. These members |
| * are protected by the cmdbuf mutex. |
| */ |
| |
| struct vmw_dma_buffer *dummy_query_bo; |
| struct vmw_dma_buffer *pinned_bo; |
| uint32_t query_cid; |
| uint32_t query_cid_valid; |
| bool dummy_query_bo_pinned; |
| |
| /* |
| * Surface swapping. The "surface_lru" list is protected by the |
| * resource lock in order to be able to destroy a surface and take |
| * it off the lru atomically. "used_memory_size" is currently |
| * protected by the cmdbuf mutex for simplicity. |
| */ |
| |
| struct list_head res_lru[vmw_res_max]; |
| uint32_t used_memory_size; |
| |
| /* |
| * 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); |
| } |
| #endif |
