From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1119 +++++++++++++++++++++++++++++++++++ 1 file changed, 1119 insertions(+) create mode 100644 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h new file mode 100644 index 000000000..d26a6daa9 --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -0,0 +1,1119 @@ +/************************************************************************** + * + * Copyright © 2009 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include "vmwgfx_fence.h" + +#define VMWGFX_DRIVER_DATE "20140704" +#define VMWGFX_DRIVER_MAJOR 2 +#define VMWGFX_DRIVER_MINOR 6 +#define VMWGFX_DRIVER_PATCHLEVEL 1 +#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 0 + +/* + * 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_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; +}; + +/** + * 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; + 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_max +}; + +/* + * Resources that are managed using command streams. + */ +enum vmw_cmdbuf_res_type { + vmw_cmdbuf_res_compat_shader +}; + +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; + /* 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 vmw_marker_queue { + struct list_head head; + u64 lag; + u64 lag_time; + spinlock_t lock; +}; + +struct vmw_fifo_state { + unsigned long reserved_size; + __le32 *dynamic_buffer; + __le32 *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; +}; + +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 contigous 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_ctx_binding_type - abstract resource to context binding types + */ +enum vmw_ctx_binding_type { + vmw_ctx_binding_shader, + vmw_ctx_binding_rt, + vmw_ctx_binding_tex, + vmw_ctx_binding_max +}; + +/** + * struct vmw_ctx_bindinfo - structure representing a single context binding + * + * @ctx: Pointer to the context structure. NULL means the binding is not + * active. + * @res: Non ref-counted pointer to the bound resource. + * @bt: The binding type. + * @i1: Union of information needed to unbind. + */ +struct vmw_ctx_bindinfo { + struct vmw_resource *ctx; + struct vmw_resource *res; + enum vmw_ctx_binding_type bt; + bool scrubbed; + union { + SVGA3dShaderType shader_type; + SVGA3dRenderTargetType rt_type; + uint32 texture_stage; + } i1; +}; + +/** + * struct vmw_ctx_binding - structure representing a single context binding + * - suitable for tracking in a context + * + * @ctx_list: List head for context. + * @res_list: List head for bound resource. + * @bi: Binding info + */ +struct vmw_ctx_binding { + struct list_head ctx_list; + struct list_head res_list; + struct vmw_ctx_bindinfo bi; +}; + + +/** + * struct vmw_ctx_binding_state - context binding state + * + * @list: linked list of individual bindings. + * @render_targets: Render target bindings. + * @texture_units: Texture units/samplers bindings. + * @shaders: Shader bindings. + * + * Note that this structure also provides storage space for the individual + * struct vmw_ctx_binding objects, so that no dynamic allocation is needed + * for individual bindings. + * + */ +struct vmw_ctx_binding_state { + struct list_head list; + struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX]; + struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS]; + struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX]; +}; + +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 ttm_buffer_object *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; + struct list_head staged_cmd_res; +}; + +struct vmw_legacy_display; +struct vmw_overlay; + +struct vmw_master { + struct ttm_lock lock; + struct mutex fb_surf_mutex; + struct list_head fb_surf; +}; + +struct vmw_vga_topology_state { + uint32_t width; + uint32_t height; + uint32_t primary; + uint32_t pos_x; + uint32_t pos_y; +}; + +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 initial_width; + uint32_t initial_height; + __le32 __iomem *mmio_virt; + int mmio_mtrr; + 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; + + /* + * 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; + 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 */ + atomic_t fifo_queue_waiters; + uint32_t last_read_seqno; + spinlock_t irq_lock; + struct vmw_fence_manager *fman; + uint32_t irq_mask; + + /* + * 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; + + /** + * Master management. + */ + + struct vmw_master *active_master; + struct vmw_master fbdev_master; + struct notifier_block pm_nb; + bool suspended; + + struct mutex release_mutex; + uint32_t num_3d_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 ttm_buffer_object *dummy_query_bo; + struct ttm_buffer_object *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 ttm_buffer_object *otable_bo; + struct vmw_otable *otables; +}; + +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; +} + +int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga); +void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga); + +/** + * 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 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); +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); +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, + 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_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_to_placement(struct vmw_private *vmw_priv, + struct vmw_dma_buffer *bo, + struct ttm_placement *placement, + bool interruptible); +extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv, + struct vmw_dma_buffer *buf, + bool pin, bool interruptible); +extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, + struct vmw_dma_buffer *buf, + bool pin, bool interruptible); +extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv, + struct vmw_dma_buffer *bo, + bool pin, 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(struct ttm_buffer_object *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_commit(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); + +/** + * 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_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, void *data, + struct drm_file *file_priv); +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, + 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); + +/** + * 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); + +/** + * 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, int crtc); +int vmw_enable_vblank(struct drm_device *dev, int crtc); +void vmw_disable_vblank(struct drm_device *dev, int crtc); +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_readback(struct vmw_private *dev_priv, + struct drm_file *file_priv, + struct vmw_framebuffer *vfb, + struct drm_vmw_fence_rep __user *user_fence_rep, + 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); + +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); +/** + * 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 struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv); + +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_context_destroy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, + const struct vmw_ctx_bindinfo *ci); +extern void +vmw_context_binding_state_transfer(struct vmw_resource *res, + struct vmw_ctx_binding_state *cbs); +extern void vmw_context_binding_res_list_kill(struct list_head *head); +extern void vmw_context_binding_res_list_scrub(struct list_head *head); +extern int vmw_context_rebind_all(struct vmw_resource *ctx); +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); +/* + * 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); + +/* + * 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_compat_shader_remove(struct vmw_cmdbuf_res_manager *man, + u32 user_key, SVGA3dShaderType shader_type, + struct list_head *list); +extern struct vmw_resource * +vmw_compat_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); + + +/** + * 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; +} +#endif -- cgit v1.2.3-54-g00ecf