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  1. /**************************************************************************
  2.  *
  3.  * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21.  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24.  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef _VMWGFX_DRV_H_
  29. #define _VMWGFX_DRV_H_
  30.  
  31. #include "vmwgfx_reg.h"
  32. #include <drm/drmP.h>
  33. #include <drm/vmwgfx_drm.h>
  34. #include <drm/drm_hashtab.h>
  35. //#include <linux/suspend.h>
  36. #include <drm/ttm/ttm_bo_driver.h>
  37. #include <drm/ttm/ttm_object.h>
  38. #include <drm/ttm/ttm_lock.h>
  39. #include <drm/ttm/ttm_execbuf_util.h>
  40. //#include <drm/ttm/ttm_module.h>
  41. #include "vmwgfx_fence.h"
  42.  
  43. #define VMWGFX_DRIVER_DATE "20150810"
  44. #define VMWGFX_DRIVER_MAJOR 2
  45. #define VMWGFX_DRIVER_MINOR 9
  46. #define VMWGFX_DRIVER_PATCHLEVEL 0
  47. #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
  48. #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  49. #define VMWGFX_MAX_RELOCATIONS 2048
  50. #define VMWGFX_MAX_VALIDATIONS 2048
  51. #define VMWGFX_MAX_DISPLAYS 16
  52. #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  53. #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
  54.  
  55. /*
  56.  * Perhaps we should have sysfs entries for these.
  57.  */
  58. #define VMWGFX_NUM_GB_CONTEXT 256
  59. #define VMWGFX_NUM_GB_SHADER 20000
  60. #define VMWGFX_NUM_GB_SURFACE 32768
  61. #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
  62. #define VMWGFX_NUM_DXCONTEXT 256
  63. #define VMWGFX_NUM_DXQUERY 512
  64. #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  65.                         VMWGFX_NUM_GB_SHADER +\
  66.                         VMWGFX_NUM_GB_SURFACE +\
  67.                         VMWGFX_NUM_GB_SCREEN_TARGET)
  68.  
  69. #define VMW_PL_GMR TTM_PL_PRIV0
  70. #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  71. #define VMW_PL_MOB TTM_PL_PRIV1
  72. #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
  73.  
  74. #define VMW_RES_CONTEXT ttm_driver_type0
  75. #define VMW_RES_SURFACE ttm_driver_type1
  76. #define VMW_RES_STREAM ttm_driver_type2
  77. #define VMW_RES_FENCE ttm_driver_type3
  78. #define VMW_RES_SHADER ttm_driver_type4
  79.  
  80. static inline void outl(u32 v, u16 port)
  81. {
  82.     asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
  83. }
  84. static inline u32 inl(u16 port)
  85. {
  86.     u32 v;
  87.     asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
  88.     return v;
  89. }
  90. struct vmw_fpriv {
  91.         struct drm_master *locked_master;
  92.         struct ttm_object_file *tfile;
  93.         struct list_head fence_events;
  94.         bool gb_aware;
  95. };
  96.  
  97. struct vmw_dma_buffer {
  98.         struct ttm_buffer_object base;
  99.         struct list_head res_list;
  100.         s32 pin_count;
  101.         /* Not ref-counted.  Protected by binding_mutex */
  102.         struct vmw_resource *dx_query_ctx;
  103. };
  104.  
  105. /**
  106.  * struct vmw_validate_buffer - Carries validation info about buffers.
  107.  *
  108.  * @base: Validation info for TTM.
  109.  * @hash: Hash entry for quick lookup of the TTM buffer object.
  110.  *
  111.  * This structure contains also driver private validation info
  112.  * on top of the info needed by TTM.
  113.  */
  114. struct vmw_validate_buffer {
  115.         struct ttm_validate_buffer base;
  116.         struct drm_hash_item hash;
  117.         bool validate_as_mob;
  118. };
  119.  
  120. struct vmw_res_func;
  121. struct vmw_resource {
  122.         struct kref kref;
  123.         struct vmw_private *dev_priv;
  124.         int id;
  125.         bool avail;
  126.         unsigned long backup_size;
  127.         bool res_dirty; /* Protected by backup buffer reserved */
  128.         bool backup_dirty; /* Protected by backup buffer reserved */
  129.         struct vmw_dma_buffer *backup;
  130.         unsigned long backup_offset;
  131.         unsigned long pin_count; /* Protected by resource reserved */
  132.         const struct vmw_res_func *func;
  133.         struct list_head lru_head; /* Protected by the resource lock */
  134.         struct list_head mob_head; /* Protected by @backup reserved */
  135.         struct list_head binding_head; /* Protected by binding_mutex */
  136.         void (*res_free) (struct vmw_resource *res);
  137.         void (*hw_destroy) (struct vmw_resource *res);
  138. };
  139.  
  140.  
  141. /*
  142.  * Resources that are managed using ioctls.
  143.  */
  144. enum vmw_res_type {
  145.         vmw_res_context,
  146.         vmw_res_surface,
  147.         vmw_res_stream,
  148.         vmw_res_shader,
  149.         vmw_res_dx_context,
  150.         vmw_res_cotable,
  151.         vmw_res_view,
  152.         vmw_res_max
  153. };
  154.  
  155. /*
  156.  * Resources that are managed using command streams.
  157.  */
  158. enum vmw_cmdbuf_res_type {
  159.         vmw_cmdbuf_res_shader,
  160.         vmw_cmdbuf_res_view
  161. };
  162.  
  163. struct vmw_cmdbuf_res_manager;
  164.  
  165. struct vmw_cursor_snooper {
  166.         struct drm_crtc *crtc;
  167.         size_t age;
  168.         uint32_t *image;
  169. };
  170.  
  171. struct vmw_framebuffer;
  172. struct vmw_surface_offset;
  173.  
  174. struct vmw_surface {
  175.         struct vmw_resource res;
  176.         uint32_t flags;
  177.         uint32_t format;
  178.         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  179.         struct drm_vmw_size base_size;
  180.         struct drm_vmw_size *sizes;
  181.         uint32_t num_sizes;
  182.         bool scanout;
  183.         uint32_t array_size;
  184.         /* TODO so far just a extra pointer */
  185.         struct vmw_cursor_snooper snooper;
  186.         struct vmw_surface_offset *offsets;
  187.         SVGA3dTextureFilter autogen_filter;
  188.         uint32_t multisample_count;
  189.         struct list_head view_list;
  190. };
  191.  
  192. struct vmw_marker_queue {
  193.         struct list_head head;
  194.         u64 lag;
  195.         u64 lag_time;
  196.         spinlock_t lock;
  197. };
  198.  
  199. struct vmw_fifo_state {
  200.         unsigned long reserved_size;
  201.         u32 *dynamic_buffer;
  202.         u32 *static_buffer;
  203.         unsigned long static_buffer_size;
  204.         bool using_bounce_buffer;
  205.         uint32_t capabilities;
  206.         struct mutex fifo_mutex;
  207.         struct rw_semaphore rwsem;
  208.         struct vmw_marker_queue marker_queue;
  209.         bool dx;
  210. };
  211.  
  212. struct vmw_relocation {
  213.         SVGAMobId *mob_loc;
  214.         SVGAGuestPtr *location;
  215.         uint32_t index;
  216. };
  217.  
  218. /**
  219.  * struct vmw_res_cache_entry - resource information cache entry
  220.  *
  221.  * @valid: Whether the entry is valid, which also implies that the execbuf
  222.  * code holds a reference to the resource, and it's placed on the
  223.  * validation list.
  224.  * @handle: User-space handle of a resource.
  225.  * @res: Non-ref-counted pointer to the resource.
  226.  *
  227.  * Used to avoid frequent repeated user-space handle lookups of the
  228.  * same resource.
  229.  */
  230. struct vmw_res_cache_entry {
  231.         bool valid;
  232.         uint32_t handle;
  233.         struct vmw_resource *res;
  234.         struct vmw_resource_val_node *node;
  235. };
  236.  
  237. /**
  238.  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
  239.  */
  240. enum vmw_dma_map_mode {
  241.         vmw_dma_phys,           /* Use physical page addresses */
  242.         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
  243.         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
  244.         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
  245.         vmw_dma_map_max
  246. };
  247.  
  248. /**
  249.  * struct vmw_sg_table - Scatter/gather table for binding, with additional
  250.  * device-specific information.
  251.  *
  252.  * @sgt: Pointer to a struct sg_table with binding information
  253.  * @num_regions: Number of regions with device-address contiguous pages
  254.  */
  255. struct vmw_sg_table {
  256.         enum vmw_dma_map_mode mode;
  257.         struct page **pages;
  258.         const dma_addr_t *addrs;
  259.         struct sg_table *sgt;
  260.         unsigned long num_regions;
  261.         unsigned long num_pages;
  262. };
  263.  
  264. /**
  265.  * struct vmw_piter - Page iterator that iterates over a list of pages
  266.  * and DMA addresses that could be either a scatter-gather list or
  267.  * arrays
  268.  *
  269.  * @pages: Array of page pointers to the pages.
  270.  * @addrs: DMA addresses to the pages if coherent pages are used.
  271.  * @iter: Scatter-gather page iterator. Current position in SG list.
  272.  * @i: Current position in arrays.
  273.  * @num_pages: Number of pages total.
  274.  * @next: Function to advance the iterator. Returns false if past the list
  275.  * of pages, true otherwise.
  276.  * @dma_address: Function to return the DMA address of the current page.
  277.  */
  278. struct vmw_piter {
  279.         struct page **pages;
  280.         const dma_addr_t *addrs;
  281.         struct sg_page_iter iter;
  282.         unsigned long i;
  283.         unsigned long num_pages;
  284.         bool (*next)(struct vmw_piter *);
  285.         dma_addr_t (*dma_address)(struct vmw_piter *);
  286.         struct page *(*page)(struct vmw_piter *);
  287. };
  288.  
  289. /*
  290.  * enum vmw_display_unit_type - Describes the display unit
  291.  */
  292. enum vmw_display_unit_type {
  293.         vmw_du_invalid = 0,
  294.         vmw_du_legacy,
  295.         vmw_du_screen_object,
  296.         vmw_du_screen_target
  297. };
  298.  
  299.  
  300. struct vmw_sw_context{
  301.         struct drm_open_hash res_ht;
  302.         bool res_ht_initialized;
  303.         bool kernel; /**< is the called made from the kernel */
  304.         struct vmw_fpriv *fp;
  305.         struct list_head validate_nodes;
  306.         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
  307.         uint32_t cur_reloc;
  308.         struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
  309.         uint32_t cur_val_buf;
  310.         uint32_t *cmd_bounce;
  311.         uint32_t cmd_bounce_size;
  312.         struct list_head resource_list;
  313.         struct list_head ctx_resource_list; /* For contexts and cotables */
  314.         struct vmw_dma_buffer *cur_query_bo;
  315.         struct list_head res_relocations;
  316.         uint32_t *buf_start;
  317.         struct vmw_res_cache_entry res_cache[vmw_res_max];
  318.         struct vmw_resource *last_query_ctx;
  319.         bool needs_post_query_barrier;
  320.         struct vmw_resource *error_resource;
  321.         struct vmw_ctx_binding_state *staged_bindings;
  322.         bool staged_bindings_inuse;
  323.         struct list_head staged_cmd_res;
  324.         struct vmw_resource_val_node *dx_ctx_node;
  325.         struct vmw_dma_buffer *dx_query_mob;
  326.         struct vmw_resource *dx_query_ctx;
  327.         struct vmw_cmdbuf_res_manager *man;
  328. };
  329.  
  330. struct vmw_legacy_display;
  331. struct vmw_overlay;
  332.  
  333. struct vmw_master {
  334.         struct ttm_lock lock;
  335. };
  336.  
  337. struct vmw_vga_topology_state {
  338.         uint32_t width;
  339.         uint32_t height;
  340.         uint32_t primary;
  341.         uint32_t pos_x;
  342.         uint32_t pos_y;
  343. };
  344.  
  345.  
  346. /*
  347.  * struct vmw_otable - Guest Memory OBject table metadata
  348.  *
  349.  * @size:           Size of the table (page-aligned).
  350.  * @page_table:     Pointer to a struct vmw_mob holding the page table.
  351.  */
  352. struct vmw_otable {
  353.         unsigned long size;
  354.         struct vmw_mob *page_table;
  355.         bool enabled;
  356. };
  357.  
  358. struct vmw_otable_batch {
  359.         unsigned num_otables;
  360.         struct vmw_otable *otables;
  361.         struct vmw_resource *context;
  362.         struct ttm_buffer_object *otable_bo;
  363. };
  364.  
  365. struct vmw_private {
  366.         struct ttm_bo_device bdev;
  367.         struct ttm_bo_global_ref bo_global_ref;
  368.         struct drm_global_reference mem_global_ref;
  369.  
  370.         struct vmw_fifo_state fifo;
  371.  
  372.         struct drm_device *dev;
  373.         unsigned long vmw_chipset;
  374.         unsigned int io_start;
  375.         uint32_t vram_start;
  376.         uint32_t vram_size;
  377.         uint32_t prim_bb_mem;
  378.         uint32_t mmio_start;
  379.         uint32_t mmio_size;
  380.         uint32_t fb_max_width;
  381.         uint32_t fb_max_height;
  382.         uint32_t texture_max_width;
  383.         uint32_t texture_max_height;
  384.         uint32_t stdu_max_width;
  385.         uint32_t stdu_max_height;
  386.         uint32_t initial_width;
  387.         uint32_t initial_height;
  388.         u32 *mmio_virt;
  389.         uint32_t capabilities;
  390.         uint32_t max_gmr_ids;
  391.         uint32_t max_gmr_pages;
  392.         uint32_t max_mob_pages;
  393.         uint32_t max_mob_size;
  394.         uint32_t memory_size;
  395.         bool has_gmr;
  396.         bool has_mob;
  397.         spinlock_t hw_lock;
  398.         spinlock_t cap_lock;
  399.         bool has_dx;
  400.  
  401.         /*
  402.          * VGA registers.
  403.          */
  404.  
  405.         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
  406.         uint32_t vga_width;
  407.         uint32_t vga_height;
  408.         uint32_t vga_bpp;
  409.         uint32_t vga_bpl;
  410.         uint32_t vga_pitchlock;
  411.  
  412.         uint32_t num_displays;
  413.  
  414.         /*
  415.          * Framebuffer info.
  416.          */
  417.  
  418.         void *fb_info;
  419.         enum vmw_display_unit_type active_display_unit;
  420.         struct vmw_legacy_display *ldu_priv;
  421.         struct vmw_screen_object_display *sou_priv;
  422.         struct vmw_overlay *overlay_priv;
  423.  
  424.         /*
  425.          * Context and surface management.
  426.          */
  427.  
  428.         rwlock_t resource_lock;
  429.         struct idr res_idr[vmw_res_max];
  430.         /*
  431.          * Block lastclose from racing with firstopen.
  432.          */
  433.  
  434.         struct mutex init_mutex;
  435.  
  436.         /*
  437.          * A resource manager for kernel-only surfaces and
  438.          * contexts.
  439.          */
  440.  
  441.         struct ttm_object_device *tdev;
  442.  
  443.         /*
  444.          * Fencing and IRQs.
  445.          */
  446.  
  447.         atomic_t marker_seq;
  448.         wait_queue_head_t fence_queue;
  449.         wait_queue_head_t fifo_queue;
  450.         spinlock_t waiter_lock;
  451.         int fence_queue_waiters; /* Protected by waiter_lock */
  452.         int goal_queue_waiters; /* Protected by waiter_lock */
  453.         int cmdbuf_waiters; /* Protected by waiter_lock */
  454.         int error_waiters; /* Protected by waiter_lock */
  455.         int fifo_queue_waiters; /* Protected by waiter_lock */
  456.         uint32_t last_read_seqno;
  457.         struct vmw_fence_manager *fman;
  458.         uint32_t irq_mask; /* Updates protected by waiter_lock */
  459.  
  460.         /*
  461.          * Device state
  462.          */
  463.  
  464.         uint32_t traces_state;
  465.         uint32_t enable_state;
  466.         uint32_t config_done_state;
  467.  
  468.         /**
  469.          * Execbuf
  470.          */
  471.         /**
  472.          * Protected by the cmdbuf mutex.
  473.          */
  474.  
  475.         struct vmw_sw_context ctx;
  476.         struct mutex cmdbuf_mutex;
  477.         struct mutex binding_mutex;
  478.  
  479.         /**
  480.          * Operating mode.
  481.          */
  482.  
  483.         bool stealth;
  484.         bool enable_fb;
  485.         spinlock_t svga_lock;
  486.  
  487.         /**
  488.          * Master management.
  489.          */
  490.  
  491.         struct vmw_master *active_master;
  492.         struct vmw_master fbdev_master;
  493.         bool suspended;
  494.         bool refuse_hibernation;
  495.  
  496.         struct mutex release_mutex;
  497.         atomic_t num_fifo_resources;
  498.  
  499.         /*
  500.          * Replace this with an rwsem as soon as we have down_xx_interruptible()
  501.          */
  502.         struct ttm_lock reservation_sem;
  503.  
  504.         /*
  505.          * Query processing. These members
  506.          * are protected by the cmdbuf mutex.
  507.          */
  508.  
  509.         struct vmw_dma_buffer *dummy_query_bo;
  510.         struct vmw_dma_buffer *pinned_bo;
  511.         uint32_t query_cid;
  512.         uint32_t query_cid_valid;
  513.         bool dummy_query_bo_pinned;
  514.  
  515.         /*
  516.          * Surface swapping. The "surface_lru" list is protected by the
  517.          * resource lock in order to be able to destroy a surface and take
  518.          * it off the lru atomically. "used_memory_size" is currently
  519.          * protected by the cmdbuf mutex for simplicity.
  520.          */
  521.  
  522.         struct list_head res_lru[vmw_res_max];
  523.         uint32_t used_memory_size;
  524.  
  525.         /*
  526.          * DMA mapping stuff.
  527.          */
  528.         enum vmw_dma_map_mode map_mode;
  529.  
  530.         /*
  531.          * Guest Backed stuff
  532.          */
  533.         struct vmw_otable_batch otable_batch;
  534.  
  535.         struct vmw_cmdbuf_man *cman;
  536. };
  537.  
  538. static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
  539. {
  540.         return container_of(res, struct vmw_surface, res);
  541. }
  542.  
  543. static inline struct vmw_private *vmw_priv(struct drm_device *dev)
  544. {
  545.         return (struct vmw_private *)dev->dev_private;
  546. }
  547.  
  548. static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
  549. {
  550.         return (struct vmw_fpriv *)file_priv->driver_priv;
  551. }
  552.  
  553. static inline struct vmw_master *vmw_master(struct drm_master *master)
  554. {
  555.         return (struct vmw_master *) master->driver_priv;
  556. }
  557.  
  558. /*
  559.  * The locking here is fine-grained, so that it is performed once
  560.  * for every read- and write operation. This is of course costly, but we
  561.  * don't perform much register access in the timing critical paths anyway.
  562.  * Instead we have the extra benefit of being sure that we don't forget
  563.  * the hw lock around register accesses.
  564.  */
  565. static inline void vmw_write(struct vmw_private *dev_priv,
  566.                              unsigned int offset, uint32_t value)
  567. {
  568.         unsigned long irq_flags;
  569.  
  570.         spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
  571.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  572.         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
  573.         spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
  574. }
  575.  
  576. static inline uint32_t vmw_read(struct vmw_private *dev_priv,
  577.                                 unsigned int offset)
  578. {
  579.         unsigned long irq_flags;
  580.         u32 val;
  581.  
  582.         spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
  583.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  584.         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
  585.         spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
  586.  
  587.         return val;
  588. }
  589.  
  590. extern void vmw_svga_enable(struct vmw_private *dev_priv);
  591. extern void vmw_svga_disable(struct vmw_private *dev_priv);
  592.  
  593.  
  594. /**
  595.  * GMR utilities - vmwgfx_gmr.c
  596.  */
  597.  
  598. extern int vmw_gmr_bind(struct vmw_private *dev_priv,
  599.                         const struct vmw_sg_table *vsgt,
  600.                         unsigned long num_pages,
  601.                         int gmr_id);
  602. extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
  603.  
  604. /**
  605.  * Resource utilities - vmwgfx_resource.c
  606.  */
  607. struct vmw_user_resource_conv;
  608.  
  609. extern void vmw_resource_unreference(struct vmw_resource **p_res);
  610. extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
  611. extern struct vmw_resource *
  612. vmw_resource_reference_unless_doomed(struct vmw_resource *res);
  613. extern int vmw_resource_validate(struct vmw_resource *res);
  614. extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
  615.                                 bool no_backup);
  616. extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
  617. extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
  618.                                   struct ttm_object_file *tfile,
  619.                                   uint32_t handle,
  620.                                   struct vmw_surface **out_surf,
  621.                                   struct vmw_dma_buffer **out_buf);
  622. extern int vmw_user_resource_lookup_handle(
  623.         struct vmw_private *dev_priv,
  624.         struct ttm_object_file *tfile,
  625.         uint32_t handle,
  626.         const struct vmw_user_resource_conv *converter,
  627.         struct vmw_resource **p_res);
  628. extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
  629. extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
  630.                            struct vmw_dma_buffer *vmw_bo,
  631.                            size_t size, struct ttm_placement *placement,
  632.                            bool interuptable,
  633.                            void (*bo_free) (struct ttm_buffer_object *bo));
  634. extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
  635.                                   struct ttm_object_file *tfile);
  636. extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
  637.                                  struct ttm_object_file *tfile,
  638.                                  uint32_t size,
  639.                                  bool shareable,
  640.                                  uint32_t *handle,
  641.                                  struct vmw_dma_buffer **p_dma_buf,
  642.                                  struct ttm_base_object **p_base);
  643. extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
  644.                                      struct vmw_dma_buffer *dma_buf,
  645.                                      uint32_t *handle);
  646. extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
  647.                                   struct drm_file *file_priv);
  648. extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
  649.                                   struct drm_file *file_priv);
  650. extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
  651.                                          struct drm_file *file_priv);
  652. extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
  653.                                          uint32_t cur_validate_node);
  654. extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
  655. extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
  656.                                   uint32_t id, struct vmw_dma_buffer **out,
  657.                                   struct ttm_base_object **base);
  658. extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
  659.                                   struct drm_file *file_priv);
  660. extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
  661.                                   struct drm_file *file_priv);
  662. extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
  663.                                   struct ttm_object_file *tfile,
  664.                                   uint32_t *inout_id,
  665.                                   struct vmw_resource **out);
  666. extern void vmw_resource_unreserve(struct vmw_resource *res,
  667.                                    bool switch_backup,
  668.                                    struct vmw_dma_buffer *new_backup,
  669.                                    unsigned long new_backup_offset);
  670. extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
  671.                                      struct ttm_mem_reg *mem);
  672. extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
  673.                                   struct ttm_mem_reg *mem);
  674. extern int vmw_query_readback_all(struct vmw_dma_buffer *dx_query_mob);
  675. extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
  676.                                 struct vmw_fence_obj *fence);
  677. extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
  678.  
  679. /**
  680.  * DMA buffer helper routines - vmwgfx_dmabuf.c
  681.  */
  682. extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
  683.                                        struct vmw_dma_buffer *bo,
  684.                                        struct ttm_placement *placement,
  685.                                        bool interruptible);
  686. extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
  687.                                   struct vmw_dma_buffer *buf,
  688.                                   bool interruptible);
  689. extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
  690.                                          struct vmw_dma_buffer *buf,
  691.                                          bool interruptible);
  692. extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
  693.                                            struct vmw_dma_buffer *bo,
  694.                                            bool interruptible);
  695. extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
  696.                             struct vmw_dma_buffer *bo,
  697.                             bool interruptible);
  698. extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
  699.                                  SVGAGuestPtr *ptr);
  700. extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
  701.  
  702. /**
  703.  * Misc Ioctl functionality - vmwgfx_ioctl.c
  704.  */
  705.  
  706. extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
  707.                               struct drm_file *file_priv);
  708. extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
  709.                                 struct drm_file *file_priv);
  710. extern int vmw_present_ioctl(struct drm_device *dev, void *data,
  711.                              struct drm_file *file_priv);
  712. extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
  713.                                       struct drm_file *file_priv);
  714. extern unsigned int vmw_fops_poll(struct file *filp,
  715.                                   struct poll_table_struct *wait);
  716. extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
  717.                              size_t count, loff_t *offset);
  718.  
  719. /**
  720.  * Fifo utilities - vmwgfx_fifo.c
  721.  */
  722.  
  723. extern int vmw_fifo_init(struct vmw_private *dev_priv,
  724.                          struct vmw_fifo_state *fifo);
  725. extern void vmw_fifo_release(struct vmw_private *dev_priv,
  726.                              struct vmw_fifo_state *fifo);
  727. extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
  728. extern void *
  729. vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
  730. extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
  731. extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
  732. extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
  733.                                uint32_t *seqno);
  734. extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
  735. extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
  736. extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
  737. extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
  738. extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
  739.                                      uint32_t cid);
  740. extern int vmw_fifo_flush(struct vmw_private *dev_priv,
  741.                           bool interruptible);
  742.  
  743. /**
  744.  * TTM glue - vmwgfx_ttm_glue.c
  745.  */
  746.  
  747. extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
  748. extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
  749. extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
  750.  
  751. /**
  752.  * TTM buffer object driver - vmwgfx_buffer.c
  753.  */
  754.  
  755. extern const size_t vmw_tt_size;
  756. extern struct ttm_placement vmw_vram_placement;
  757. extern struct ttm_placement vmw_vram_ne_placement;
  758. extern struct ttm_placement vmw_vram_sys_placement;
  759. extern struct ttm_placement vmw_vram_gmr_placement;
  760. extern struct ttm_placement vmw_vram_gmr_ne_placement;
  761. extern struct ttm_placement vmw_sys_placement;
  762. extern struct ttm_placement vmw_sys_ne_placement;
  763. extern struct ttm_placement vmw_evictable_placement;
  764. extern struct ttm_placement vmw_srf_placement;
  765. extern struct ttm_placement vmw_mob_placement;
  766. extern struct ttm_placement vmw_mob_ne_placement;
  767. extern struct ttm_bo_driver vmw_bo_driver;
  768. extern int vmw_dma_quiescent(struct drm_device *dev);
  769. extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
  770. extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
  771. extern const struct vmw_sg_table *
  772. vmw_bo_sg_table(struct ttm_buffer_object *bo);
  773. extern void vmw_piter_start(struct vmw_piter *viter,
  774.                             const struct vmw_sg_table *vsgt,
  775.                             unsigned long p_offs);
  776.  
  777. /**
  778.  * vmw_piter_next - Advance the iterator one page.
  779.  *
  780.  * @viter: Pointer to the iterator to advance.
  781.  *
  782.  * Returns false if past the list of pages, true otherwise.
  783.  */
  784. static inline bool vmw_piter_next(struct vmw_piter *viter)
  785. {
  786.         return viter->next(viter);
  787. }
  788.  
  789. /**
  790.  * vmw_piter_dma_addr - Return the DMA address of the current page.
  791.  *
  792.  * @viter: Pointer to the iterator
  793.  *
  794.  * Returns the DMA address of the page pointed to by @viter.
  795.  */
  796. static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
  797. {
  798.         return viter->dma_address(viter);
  799. }
  800.  
  801. /**
  802.  * vmw_piter_page - Return a pointer to the current page.
  803.  *
  804.  * @viter: Pointer to the iterator
  805.  *
  806.  * Returns the DMA address of the page pointed to by @viter.
  807.  */
  808. static inline struct page *vmw_piter_page(struct vmw_piter *viter)
  809. {
  810.         return viter->page(viter);
  811. }
  812.  
  813. /**
  814.  * Command submission - vmwgfx_execbuf.c
  815.  */
  816.  
  817. extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
  818.                              struct drm_file *file_priv, size_t size);
  819. extern int vmw_execbuf_process(struct drm_file *file_priv,
  820.                                struct vmw_private *dev_priv,
  821.                                void __user *user_commands,
  822.                                void *kernel_commands,
  823.                                uint32_t command_size,
  824.                                uint64_t throttle_us,
  825.                                uint32_t dx_context_handle,
  826.                                struct drm_vmw_fence_rep __user
  827.                                *user_fence_rep,
  828.                                struct vmw_fence_obj **out_fence);
  829. extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
  830.                                             struct vmw_fence_obj *fence);
  831. extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
  832.  
  833. extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
  834.                                       struct vmw_private *dev_priv,
  835.                                       struct vmw_fence_obj **p_fence,
  836.                                       uint32_t *p_handle);
  837. extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
  838.                                         struct vmw_fpriv *vmw_fp,
  839.                                         int ret,
  840.                                         struct drm_vmw_fence_rep __user
  841.                                         *user_fence_rep,
  842.                                         struct vmw_fence_obj *fence,
  843.                                         uint32_t fence_handle);
  844. extern int vmw_validate_single_buffer(struct vmw_private *dev_priv,
  845.                                       struct ttm_buffer_object *bo,
  846.                                       bool interruptible,
  847.                                       bool validate_as_mob);
  848.  
  849.  
  850. /**
  851.  * IRQs and wating - vmwgfx_irq.c
  852.  */
  853.  
  854. extern irqreturn_t vmw_irq_handler(int irq, void *arg);
  855. extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
  856.                           uint32_t seqno, bool interruptible,
  857.                           unsigned long timeout);
  858. extern void vmw_irq_preinstall(struct drm_device *dev);
  859. extern int vmw_irq_postinstall(struct drm_device *dev);
  860. extern void vmw_irq_uninstall(struct drm_device *dev);
  861. extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
  862.                                 uint32_t seqno);
  863. extern int vmw_fallback_wait(struct vmw_private *dev_priv,
  864.                              bool lazy,
  865.                              bool fifo_idle,
  866.                              uint32_t seqno,
  867.                              bool interruptible,
  868.                              unsigned long timeout);
  869. extern void vmw_update_seqno(struct vmw_private *dev_priv,
  870.                                 struct vmw_fifo_state *fifo_state);
  871. extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
  872. extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
  873. extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
  874. extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
  875. extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
  876.                                    int *waiter_count);
  877. extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
  878.                                       u32 flag, int *waiter_count);
  879.  
  880. /**
  881.  * Rudimentary fence-like objects currently used only for throttling -
  882.  * vmwgfx_marker.c
  883.  */
  884.  
  885. extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
  886. extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
  887. extern int vmw_marker_push(struct vmw_marker_queue *queue,
  888.                            uint32_t seqno);
  889. extern int vmw_marker_pull(struct vmw_marker_queue *queue,
  890.                            uint32_t signaled_seqno);
  891. extern int vmw_wait_lag(struct vmw_private *dev_priv,
  892.                         struct vmw_marker_queue *queue, uint32_t us);
  893.  
  894. /**
  895.  * Kernel framebuffer - vmwgfx_fb.c
  896.  */
  897.  
  898. int vmw_fb_init(struct vmw_private *vmw_priv);
  899. int vmw_fb_close(struct vmw_private *dev_priv);
  900. int vmw_fb_off(struct vmw_private *vmw_priv);
  901. int vmw_fb_on(struct vmw_private *vmw_priv);
  902.  
  903. /**
  904.  * Kernel modesetting - vmwgfx_kms.c
  905.  */
  906.  
  907. int vmw_kms_init(struct vmw_private *dev_priv);
  908. int vmw_kms_close(struct vmw_private *dev_priv);
  909. int vmw_kms_save_vga(struct vmw_private *vmw_priv);
  910. int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
  911. int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
  912.                                 struct drm_file *file_priv);
  913. void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
  914. void vmw_kms_cursor_snoop(struct vmw_surface *srf,
  915.                           struct ttm_object_file *tfile,
  916.                           struct ttm_buffer_object *bo,
  917.                           SVGA3dCmdHeader *header);
  918. int vmw_kms_write_svga(struct vmw_private *vmw_priv,
  919.                        unsigned width, unsigned height, unsigned pitch,
  920.                        unsigned bpp, unsigned depth);
  921. void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
  922. bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
  923.                                 uint32_t pitch,
  924.                                 uint32_t height);
  925. u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
  926. int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe);
  927. void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe);
  928. int vmw_kms_present(struct vmw_private *dev_priv,
  929.                     struct drm_file *file_priv,
  930.                     struct vmw_framebuffer *vfb,
  931.                     struct vmw_surface *surface,
  932.                     uint32_t sid, int32_t destX, int32_t destY,
  933.                     struct drm_vmw_rect *clips,
  934.                     uint32_t num_clips);
  935. int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
  936.                                 struct drm_file *file_priv);
  937. void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
  938.  
  939. int vmw_dumb_create(struct drm_file *file_priv,
  940.                     struct drm_device *dev,
  941.                     struct drm_mode_create_dumb *args);
  942.  
  943. int vmw_dumb_map_offset(struct drm_file *file_priv,
  944.                         struct drm_device *dev, uint32_t handle,
  945.                         uint64_t *offset);
  946. int vmw_dumb_destroy(struct drm_file *file_priv,
  947.                      struct drm_device *dev,
  948.                      uint32_t handle);
  949. extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
  950. extern void vmw_resource_unpin(struct vmw_resource *res);
  951. extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
  952.  
  953. /**
  954.  * Overlay control - vmwgfx_overlay.c
  955.  */
  956.  
  957. int vmw_overlay_init(struct vmw_private *dev_priv);
  958. int vmw_overlay_close(struct vmw_private *dev_priv);
  959. int vmw_overlay_ioctl(struct drm_device *dev, void *data,
  960.                       struct drm_file *file_priv);
  961. int vmw_overlay_stop_all(struct vmw_private *dev_priv);
  962. int vmw_overlay_resume_all(struct vmw_private *dev_priv);
  963. int vmw_overlay_pause_all(struct vmw_private *dev_priv);
  964. int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
  965. int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
  966. int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
  967. int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
  968.  
  969. /**
  970.  * GMR Id manager
  971.  */
  972.  
  973. extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
  974.  
  975. /**
  976.  * Prime - vmwgfx_prime.c
  977.  */
  978.  
  979. extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
  980. extern int vmw_prime_fd_to_handle(struct drm_device *dev,
  981.                                   struct drm_file *file_priv,
  982.                                   int fd, u32 *handle);
  983. extern int vmw_prime_handle_to_fd(struct drm_device *dev,
  984.                                   struct drm_file *file_priv,
  985.                                   uint32_t handle, uint32_t flags,
  986.                                   int *prime_fd);
  987.  
  988. /*
  989.  * MemoryOBject management -  vmwgfx_mob.c
  990.  */
  991. struct vmw_mob;
  992. extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
  993.                         const struct vmw_sg_table *vsgt,
  994.                         unsigned long num_data_pages, int32_t mob_id);
  995. extern void vmw_mob_unbind(struct vmw_private *dev_priv,
  996.                            struct vmw_mob *mob);
  997. extern void vmw_mob_destroy(struct vmw_mob *mob);
  998. extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
  999. extern int vmw_otables_setup(struct vmw_private *dev_priv);
  1000. extern void vmw_otables_takedown(struct vmw_private *dev_priv);
  1001.  
  1002. /*
  1003.  * Context management - vmwgfx_context.c
  1004.  */
  1005.  
  1006. extern const struct vmw_user_resource_conv *user_context_converter;
  1007.  
  1008. extern int vmw_context_check(struct vmw_private *dev_priv,
  1009.                              struct ttm_object_file *tfile,
  1010.                              int id,
  1011.                              struct vmw_resource **p_res);
  1012. extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
  1013.                                     struct drm_file *file_priv);
  1014. extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
  1015.                                              struct drm_file *file_priv);
  1016. extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
  1017.                                      struct drm_file *file_priv);
  1018. extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
  1019. extern struct vmw_cmdbuf_res_manager *
  1020. vmw_context_res_man(struct vmw_resource *ctx);
  1021. extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
  1022.                                                 SVGACOTableType cotable_type);
  1023. extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
  1024. struct vmw_ctx_binding_state;
  1025. extern struct vmw_ctx_binding_state *
  1026. vmw_context_binding_state(struct vmw_resource *ctx);
  1027. extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
  1028.                                           bool readback);
  1029. extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
  1030.                                      struct vmw_dma_buffer *mob);
  1031. extern struct vmw_dma_buffer *
  1032. vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
  1033.  
  1034.  
  1035. /*
  1036.  * Surface management - vmwgfx_surface.c
  1037.  */
  1038.  
  1039. extern const struct vmw_user_resource_conv *user_surface_converter;
  1040.  
  1041. extern void vmw_surface_res_free(struct vmw_resource *res);
  1042. extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
  1043.                                      struct drm_file *file_priv);
  1044. extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  1045.                                     struct drm_file *file_priv);
  1046. extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
  1047.                                        struct drm_file *file_priv);
  1048. extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
  1049.                                        struct drm_file *file_priv);
  1050. extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
  1051.                                           struct drm_file *file_priv);
  1052. extern int vmw_surface_check(struct vmw_private *dev_priv,
  1053.                              struct ttm_object_file *tfile,
  1054.                              uint32_t handle, int *id);
  1055. extern int vmw_surface_validate(struct vmw_private *dev_priv,
  1056.                                 struct vmw_surface *srf);
  1057. int vmw_surface_gb_priv_define(struct drm_device *dev,
  1058.                                uint32_t user_accounting_size,
  1059.                                uint32_t svga3d_flags,
  1060.                                SVGA3dSurfaceFormat format,
  1061.                                bool for_scanout,
  1062.                                uint32_t num_mip_levels,
  1063.                                uint32_t multisample_count,
  1064.                                uint32_t array_size,
  1065.                                struct drm_vmw_size size,
  1066.                                struct vmw_surface **srf_out);
  1067.  
  1068. /*
  1069.  * Shader management - vmwgfx_shader.c
  1070.  */
  1071.  
  1072. extern const struct vmw_user_resource_conv *user_shader_converter;
  1073.  
  1074. extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
  1075.                                    struct drm_file *file_priv);
  1076. extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
  1077.                                     struct drm_file *file_priv);
  1078. extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
  1079.                                  struct vmw_cmdbuf_res_manager *man,
  1080.                                  u32 user_key, const void *bytecode,
  1081.                                  SVGA3dShaderType shader_type,
  1082.                                  size_t size,
  1083.                                  struct list_head *list);
  1084. extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
  1085.                              u32 user_key, SVGA3dShaderType shader_type,
  1086.                              struct list_head *list);
  1087. extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
  1088.                              struct vmw_resource *ctx,
  1089.                              u32 user_key,
  1090.                              SVGA3dShaderType shader_type,
  1091.                              struct list_head *list);
  1092. extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
  1093.                                              struct list_head *list,
  1094.                                              bool readback);
  1095.  
  1096. extern struct vmw_resource *
  1097. vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
  1098.                   u32 user_key, SVGA3dShaderType shader_type);
  1099.  
  1100. /*
  1101.  * Command buffer managed resources - vmwgfx_cmdbuf_res.c
  1102.  */
  1103.  
  1104. extern struct vmw_cmdbuf_res_manager *
  1105. vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
  1106. extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
  1107. extern size_t vmw_cmdbuf_res_man_size(void);
  1108. extern struct vmw_resource *
  1109. vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
  1110.                       enum vmw_cmdbuf_res_type res_type,
  1111.                       u32 user_key);
  1112. extern void vmw_cmdbuf_res_revert(struct list_head *list);
  1113. extern void vmw_cmdbuf_res_commit(struct list_head *list);
  1114. extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
  1115.                               enum vmw_cmdbuf_res_type res_type,
  1116.                               u32 user_key,
  1117.                               struct vmw_resource *res,
  1118.                               struct list_head *list);
  1119. extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
  1120.                                  enum vmw_cmdbuf_res_type res_type,
  1121.                                  u32 user_key,
  1122.                                  struct list_head *list,
  1123.                                  struct vmw_resource **res);
  1124.  
  1125. /*
  1126.  * COTable management - vmwgfx_cotable.c
  1127.  */
  1128. extern const SVGACOTableType vmw_cotable_scrub_order[];
  1129. extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
  1130.                                               struct vmw_resource *ctx,
  1131.                                               u32 type);
  1132. extern int vmw_cotable_notify(struct vmw_resource *res, int id);
  1133. extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
  1134. extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
  1135.                                      struct list_head *head);
  1136.  
  1137. /*
  1138.  * Command buffer managerment vmwgfx_cmdbuf.c
  1139.  */
  1140. struct vmw_cmdbuf_man;
  1141. struct vmw_cmdbuf_header;
  1142.  
  1143. extern struct vmw_cmdbuf_man *
  1144. vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
  1145. extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
  1146.                                     size_t size, size_t default_size);
  1147. extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
  1148. extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
  1149. extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
  1150.                            unsigned long timeout);
  1151. extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
  1152.                                 int ctx_id, bool interruptible,
  1153.                                 struct vmw_cmdbuf_header *header);
  1154. extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
  1155.                               struct vmw_cmdbuf_header *header,
  1156.                               bool flush);
  1157. extern void vmw_cmdbuf_tasklet_schedule(struct vmw_cmdbuf_man *man);
  1158. extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
  1159.                               size_t size, bool interruptible,
  1160.                               struct vmw_cmdbuf_header **p_header);
  1161. extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
  1162. extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
  1163.                                 bool interruptible);
  1164.  
  1165.  
  1166. /**
  1167.  * Inline helper functions
  1168.  */
  1169.  
  1170. static inline void vmw_surface_unreference(struct vmw_surface **srf)
  1171. {
  1172.         struct vmw_surface *tmp_srf = *srf;
  1173.         struct vmw_resource *res = &tmp_srf->res;
  1174.         *srf = NULL;
  1175.  
  1176.         vmw_resource_unreference(&res);
  1177. }
  1178.  
  1179. static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
  1180. {
  1181.         (void) vmw_resource_reference(&srf->res);
  1182.         return srf;
  1183. }
  1184.  
  1185. static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
  1186. {
  1187.         struct vmw_dma_buffer *tmp_buf = *buf;
  1188.  
  1189.         *buf = NULL;
  1190.         if (tmp_buf != NULL) {
  1191.                 struct ttm_buffer_object *bo = &tmp_buf->base;
  1192.  
  1193.                 ttm_bo_unref(&bo);
  1194.         }
  1195. }
  1196.  
  1197. static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
  1198. {
  1199.         if (ttm_bo_reference(&buf->base))
  1200.                 return buf;
  1201.         return NULL;
  1202. }
  1203.  
  1204. static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
  1205. {
  1206.         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
  1207. }
  1208.  
  1209. static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
  1210. {
  1211.         atomic_inc(&dev_priv->num_fifo_resources);
  1212. }
  1213.  
  1214. static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
  1215. {
  1216.         atomic_dec(&dev_priv->num_fifo_resources);
  1217. }
  1218.  
  1219. /**
  1220.  * vmw_mmio_read - Perform a MMIO read from volatile memory
  1221.  *
  1222.  * @addr: The address to read from
  1223.  *
  1224.  * This function is intended to be equivalent to ioread32() on
  1225.  * memremap'd memory, but without byteswapping.
  1226.  */
  1227. static inline u32 vmw_mmio_read(u32 *addr)
  1228. {
  1229.         return READ_ONCE(*addr);
  1230. }
  1231.  
  1232. /**
  1233.  * vmw_mmio_write - Perform a MMIO write to volatile memory
  1234.  *
  1235.  * @addr: The address to write to
  1236.  *
  1237.  * This function is intended to be equivalent to iowrite32 on
  1238.  * memremap'd memory, but without byteswapping.
  1239.  */
  1240. static inline void vmw_mmio_write(u32 value, u32 *addr)
  1241. {
  1242.         WRITE_ONCE(*addr, value);
  1243. }
  1244. #endif
  1245.