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-rw-r--r--kernel/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h1119
1 files changed, 1119 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
new file mode 100644
index 000000000..d26a6daa9
--- /dev/null
+++ b/kernel/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 <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 "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