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  1. /**************************************************************************
  2.  *
  3.  * Copyright © 2009 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/scatterlist.h>
  36. //#include <linux/suspend.h>
  37. #include <drm/ttm/ttm_bo_driver.h>
  38. #include <drm/ttm/ttm_object.h>
  39. //#include <drm/ttm/ttm_lock.h>
  40. #include <drm/ttm/ttm_execbuf_util.h>
  41. //#include <drm/ttm/ttm_module.h>
  42. #include "vmwgfx_fence.h"
  43.  
  44. #define VMWGFX_DRIVER_DATE "20121114"
  45. #define VMWGFX_DRIVER_MAJOR 2
  46. #define VMWGFX_DRIVER_MINOR 5
  47. #define VMWGFX_DRIVER_PATCHLEVEL 0
  48. #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
  49. #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  50. #define VMWGFX_MAX_RELOCATIONS 2048
  51. #define VMWGFX_MAX_VALIDATIONS 2048
  52. #define VMWGFX_MAX_DISPLAYS 16
  53. #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  54. #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 0
  55.  
  56. /*
  57.  * Perhaps we should have sysfs entries for these.
  58.  */
  59. #define VMWGFX_NUM_GB_CONTEXT 256
  60. #define VMWGFX_NUM_GB_SHADER 20000
  61. #define VMWGFX_NUM_GB_SURFACE 32768
  62. #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
  63. #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  64.                         VMWGFX_NUM_GB_SHADER +\
  65.                         VMWGFX_NUM_GB_SURFACE +\
  66.                         VMWGFX_NUM_GB_SCREEN_TARGET)
  67.  
  68. #define VMW_PL_GMR TTM_PL_PRIV0
  69. #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  70. #define VMW_PL_MOB TTM_PL_PRIV1
  71. #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
  72.  
  73. #define VMW_RES_CONTEXT ttm_driver_type0
  74. #define VMW_RES_SURFACE ttm_driver_type1
  75. #define VMW_RES_STREAM ttm_driver_type2
  76. #define VMW_RES_FENCE ttm_driver_type3
  77. #define VMW_RES_SHADER ttm_driver_type4
  78.  
  79. #define ioread32(addr)          readl(addr)
  80.  
  81. static inline void outl(u32 v, u16 port)
  82. {
  83.     asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
  84. }
  85. static inline u32 inl(u16 port)
  86. {
  87.     u32 v;
  88.     asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
  89.     return v;
  90. }
  91.  
  92. struct ttm_lock{};
  93. struct ww_acquire_ctx{};
  94.  
  95. struct vmw_fpriv {
  96. //   struct drm_master *locked_master;
  97.    struct ttm_object_file *tfile;
  98.    struct list_head fence_events;
  99. };
  100.  
  101. struct vmw_dma_buffer {
  102.    struct ttm_buffer_object base;
  103.    struct list_head res_list;
  104. };
  105.  
  106. /**
  107.  * struct vmw_validate_buffer - Carries validation info about buffers.
  108.  *
  109.  * @base: Validation info for TTM.
  110.  * @hash: Hash entry for quick lookup of the TTM buffer object.
  111.  *
  112.  * This structure contains also driver private validation info
  113.  * on top of the info needed by TTM.
  114.  */
  115. struct vmw_validate_buffer {
  116.    struct ttm_validate_buffer base;
  117.    struct drm_hash_item hash;
  118.         bool validate_as_mob;
  119. };
  120.  
  121. struct vmw_res_func;
  122. struct vmw_resource {
  123.         struct kref kref;
  124.         struct vmw_private *dev_priv;
  125.         int id;
  126.         bool avail;
  127.         unsigned long backup_size;
  128.         bool res_dirty; /* Protected by backup buffer reserved */
  129.         bool backup_dirty; /* Protected by backup buffer reserved */
  130.     struct vmw_dma_buffer *backup;
  131.         unsigned long backup_offset;
  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. enum vmw_res_type {
  141.         vmw_res_context,
  142.         vmw_res_surface,
  143.         vmw_res_stream,
  144.         vmw_res_shader,
  145.         vmw_res_max
  146. };
  147.  
  148. struct vmw_cursor_snooper {
  149.         struct drm_crtc *crtc;
  150.         size_t age;
  151.         uint32_t *image;
  152. };
  153.  
  154. struct vmw_framebuffer;
  155. struct vmw_surface_offset;
  156.  
  157. struct vmw_surface {
  158.     struct vmw_resource res;
  159.         uint32_t flags;
  160.         uint32_t format;
  161.         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  162.         struct drm_vmw_size base_size;
  163.         struct drm_vmw_size *sizes;
  164.         uint32_t num_sizes;
  165.         bool scanout;
  166.         /* TODO so far just a extra pointer */
  167.         struct vmw_cursor_snooper snooper;
  168.         struct vmw_surface_offset *offsets;
  169.         SVGA3dTextureFilter autogen_filter;
  170.         uint32_t multisample_count;
  171. };
  172.  
  173. struct vmw_marker_queue {
  174.         struct list_head head;
  175.         struct timespec lag;
  176.         struct timespec lag_time;
  177.         spinlock_t lock;
  178. };
  179.  
  180. struct vmw_fifo_state {
  181.         unsigned long reserved_size;
  182.         __le32 *dynamic_buffer;
  183.         __le32 *static_buffer;
  184.         unsigned long static_buffer_size;
  185.         bool using_bounce_buffer;
  186.         uint32_t capabilities;
  187.         struct mutex fifo_mutex;
  188.         struct rw_semaphore rwsem;
  189.         struct vmw_marker_queue marker_queue;
  190. };
  191.  
  192. struct vmw_relocation {
  193.         SVGAMobId *mob_loc;
  194.         SVGAGuestPtr *location;
  195.         uint32_t index;
  196. };
  197.  
  198. /**
  199.  * struct vmw_res_cache_entry - resource information cache entry
  200.  *
  201.  * @valid: Whether the entry is valid, which also implies that the execbuf
  202.  * code holds a reference to the resource, and it's placed on the
  203.  * validation list.
  204.  * @handle: User-space handle of a resource.
  205.  * @res: Non-ref-counted pointer to the resource.
  206.  *
  207.  * Used to avoid frequent repeated user-space handle lookups of the
  208.  * same resource.
  209.  */
  210. struct vmw_res_cache_entry {
  211.         bool valid;
  212.         uint32_t handle;
  213.         struct vmw_resource *res;
  214.         struct vmw_resource_val_node *node;
  215. };
  216.  
  217. /**
  218.  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
  219.  */
  220. enum vmw_dma_map_mode {
  221.         vmw_dma_phys,           /* Use physical page addresses */
  222.         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
  223.         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
  224.         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
  225.         vmw_dma_map_max
  226. };
  227.  
  228. /**
  229.  * struct vmw_sg_table - Scatter/gather table for binding, with additional
  230.  * device-specific information.
  231.  *
  232.  * @sgt: Pointer to a struct sg_table with binding information
  233.  * @num_regions: Number of regions with device-address contigous pages
  234.  */
  235. struct vmw_sg_table {
  236.         enum vmw_dma_map_mode mode;
  237.         struct page **pages;
  238.         const dma_addr_t *addrs;
  239.         struct sg_table *sgt;
  240.         unsigned long num_regions;
  241.         unsigned long num_pages;
  242. };
  243.  
  244. /**
  245.  * struct vmw_piter - Page iterator that iterates over a list of pages
  246.  * and DMA addresses that could be either a scatter-gather list or
  247.  * arrays
  248.  *
  249.  * @pages: Array of page pointers to the pages.
  250.  * @addrs: DMA addresses to the pages if coherent pages are used.
  251.  * @iter: Scatter-gather page iterator. Current position in SG list.
  252.  * @i: Current position in arrays.
  253.  * @num_pages: Number of pages total.
  254.  * @next: Function to advance the iterator. Returns false if past the list
  255.  * of pages, true otherwise.
  256.  * @dma_address: Function to return the DMA address of the current page.
  257.  */
  258. struct vmw_piter {
  259.         struct page **pages;
  260.         const dma_addr_t *addrs;
  261.         struct sg_page_iter iter;
  262.         unsigned long i;
  263.         unsigned long num_pages;
  264.         bool (*next)(struct vmw_piter *);
  265.         dma_addr_t (*dma_address)(struct vmw_piter *);
  266.         struct page *(*page)(struct vmw_piter *);
  267. };
  268.  
  269. /*
  270.  * enum vmw_ctx_binding_type - abstract resource to context binding types
  271.  */
  272. enum vmw_ctx_binding_type {
  273.         vmw_ctx_binding_shader,
  274.         vmw_ctx_binding_rt,
  275.         vmw_ctx_binding_tex,
  276.         vmw_ctx_binding_max
  277. };
  278.  
  279. /**
  280.  * struct vmw_ctx_bindinfo - structure representing a single context binding
  281.  *
  282.  * @ctx: Pointer to the context structure. NULL means the binding is not
  283.  * active.
  284.  * @res: Non ref-counted pointer to the bound resource.
  285.  * @bt: The binding type.
  286.  * @i1: Union of information needed to unbind.
  287.  */
  288. struct vmw_ctx_bindinfo {
  289.         struct vmw_resource *ctx;
  290.         struct vmw_resource *res;
  291.         enum vmw_ctx_binding_type bt;
  292.         union {
  293.                 SVGA3dShaderType shader_type;
  294.                 SVGA3dRenderTargetType rt_type;
  295.                 uint32 texture_stage;
  296.         } i1;
  297. };
  298.  
  299. /**
  300.  * struct vmw_ctx_binding - structure representing a single context binding
  301.  *                        - suitable for tracking in a context
  302.  *
  303.  * @ctx_list: List head for context.
  304.  * @res_list: List head for bound resource.
  305.  * @bi: Binding info
  306.  */
  307. struct vmw_ctx_binding {
  308.         struct list_head ctx_list;
  309.         struct list_head res_list;
  310.         struct vmw_ctx_bindinfo bi;
  311. };
  312.  
  313.  
  314. /**
  315.  * struct vmw_ctx_binding_state - context binding state
  316.  *
  317.  * @list: linked list of individual bindings.
  318.  * @render_targets: Render target bindings.
  319.  * @texture_units: Texture units/samplers bindings.
  320.  * @shaders: Shader bindings.
  321.  *
  322.  * Note that this structure also provides storage space for the individual
  323.  * struct vmw_ctx_binding objects, so that no dynamic allocation is needed
  324.  * for individual bindings.
  325.  *
  326.  */
  327. struct vmw_ctx_binding_state {
  328.         struct list_head list;
  329.         struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX];
  330.         struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS];
  331.         struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX];
  332. };
  333.  
  334. struct vmw_sw_context{
  335.         struct drm_open_hash res_ht;
  336.         bool res_ht_initialized;
  337.         bool kernel; /**< is the called made from the kernel */
  338.         struct ttm_object_file *tfile;
  339.         struct list_head validate_nodes;
  340.         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
  341.         uint32_t cur_reloc;
  342.     struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
  343.         uint32_t cur_val_buf;
  344.         uint32_t *cmd_bounce;
  345.         uint32_t cmd_bounce_size;
  346.         struct list_head resource_list;
  347.         uint32_t fence_flags;
  348.         struct ttm_buffer_object *cur_query_bo;
  349.         struct list_head res_relocations;
  350.         uint32_t *buf_start;
  351.         struct vmw_res_cache_entry res_cache[vmw_res_max];
  352.         struct vmw_resource *last_query_ctx;
  353.         bool needs_post_query_barrier;
  354.         struct vmw_resource *error_resource;
  355.         struct vmw_ctx_binding_state staged_bindings;
  356. };
  357.  
  358. struct vmw_legacy_display;
  359. struct vmw_overlay;
  360.  
  361. struct vmw_master {
  362.     struct ttm_lock lock;
  363.         struct mutex fb_surf_mutex;
  364.         struct list_head fb_surf;
  365. };
  366.  
  367. struct vmw_vga_topology_state {
  368.         uint32_t width;
  369.         uint32_t height;
  370.         uint32_t primary;
  371.         uint32_t pos_x;
  372.         uint32_t pos_y;
  373. };
  374.  
  375. struct vmw_private {
  376.     struct ttm_bo_device bdev;
  377.     struct ttm_bo_global_ref bo_global_ref;
  378.     struct drm_global_reference mem_global_ref;
  379.  
  380.         struct vmw_fifo_state fifo;
  381.  
  382.         struct drm_device *dev;
  383.         unsigned long vmw_chipset;
  384.         unsigned int io_start;
  385.         uint32_t vram_start;
  386.         uint32_t vram_size;
  387.         uint32_t prim_bb_mem;
  388.         uint32_t mmio_start;
  389.         uint32_t mmio_size;
  390.         uint32_t fb_max_width;
  391.         uint32_t fb_max_height;
  392.         uint32_t initial_width;
  393.         uint32_t initial_height;
  394.         __le32 __iomem *mmio_virt;
  395.         int mmio_mtrr;
  396.         uint32_t capabilities;
  397.         uint32_t max_gmr_ids;
  398.         uint32_t max_gmr_pages;
  399.         uint32_t max_mob_pages;
  400.         uint32_t memory_size;
  401.         bool has_gmr;
  402.         bool has_mob;
  403.         struct mutex hw_mutex;
  404.  
  405.         /*
  406.          * VGA registers.
  407.          */
  408.  
  409.         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
  410.         uint32_t vga_width;
  411.         uint32_t vga_height;
  412.         uint32_t vga_bpp;
  413.         uint32_t vga_bpl;
  414.         uint32_t vga_pitchlock;
  415.  
  416.         uint32_t num_displays;
  417.  
  418.         /*
  419.          * Framebuffer info.
  420.          */
  421.  
  422.         void *fb_info;
  423.         struct vmw_legacy_display *ldu_priv;
  424.         struct vmw_screen_object_display *sou_priv;
  425.         struct vmw_overlay *overlay_priv;
  426.  
  427.         /*
  428.          * Context and surface management.
  429.          */
  430.  
  431.         rwlock_t resource_lock;
  432.         struct idr res_idr[vmw_res_max];
  433.         /*
  434.          * Block lastclose from racing with firstopen.
  435.          */
  436.  
  437.         struct mutex init_mutex;
  438.  
  439.         /*
  440.          * A resource manager for kernel-only surfaces and
  441.          * contexts.
  442.          */
  443.  
  444.         struct ttm_object_device *tdev;
  445.  
  446.         /*
  447.          * Fencing and IRQs.
  448.          */
  449.  
  450.         atomic_t marker_seq;
  451.         wait_queue_head_t fence_queue;
  452.         wait_queue_head_t fifo_queue;
  453.         int fence_queue_waiters; /* Protected by hw_mutex */
  454.         int goal_queue_waiters; /* Protected by hw_mutex */
  455.         atomic_t fifo_queue_waiters;
  456.         uint32_t last_read_seqno;
  457.         spinlock_t irq_lock;
  458.         struct vmw_fence_manager *fman;
  459.         uint32_t irq_mask;
  460.  
  461.         /*
  462.          * Device state
  463.          */
  464.  
  465.         uint32_t traces_state;
  466.         uint32_t enable_state;
  467.         uint32_t config_done_state;
  468.  
  469.         /**
  470.          * Execbuf
  471.          */
  472.         /**
  473.          * Protected by the cmdbuf mutex.
  474.          */
  475.  
  476.         struct vmw_sw_context ctx;
  477.         struct mutex cmdbuf_mutex;
  478.         struct mutex binding_mutex;
  479.  
  480.         /**
  481.          * Operating mode.
  482.          */
  483.  
  484.         bool stealth;
  485.         bool enable_fb;
  486.  
  487.         /**
  488.          * Master management.
  489.          */
  490.  
  491.         struct vmw_master *active_master;
  492.         struct vmw_master fbdev_master;
  493. //      struct notifier_block pm_nb;
  494.         bool suspended;
  495.  
  496.         struct mutex release_mutex;
  497.         uint32_t num_3d_resources;
  498.  
  499.         /*
  500.          * Query processing. These members
  501.          * are protected by the cmdbuf mutex.
  502.          */
  503.  
  504.     struct ttm_buffer_object *dummy_query_bo;
  505.     struct ttm_buffer_object *pinned_bo;
  506.         uint32_t query_cid;
  507.         uint32_t query_cid_valid;
  508.         bool dummy_query_bo_pinned;
  509.  
  510.         /*
  511.          * Surface swapping. The "surface_lru" list is protected by the
  512.          * resource lock in order to be able to destroy a surface and take
  513.          * it off the lru atomically. "used_memory_size" is currently
  514.          * protected by the cmdbuf mutex for simplicity.
  515.          */
  516.  
  517.         struct list_head res_lru[vmw_res_max];
  518.         uint32_t used_memory_size;
  519.  
  520.         /*
  521.          * DMA mapping stuff.
  522.          */
  523.         enum vmw_dma_map_mode map_mode;
  524.  
  525.         /*
  526.          * Guest Backed stuff
  527.          */
  528.         struct ttm_buffer_object *otable_bo;
  529.         struct vmw_otable *otables;
  530. };
  531.  
  532. static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
  533. {
  534.         return container_of(res, struct vmw_surface, res);
  535. }
  536.  
  537. static inline struct vmw_private *vmw_priv(struct drm_device *dev)
  538. {
  539.         return (struct vmw_private *)dev->dev_private;
  540. }
  541.  
  542. static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
  543. {
  544.         return (struct vmw_fpriv *)file_priv->driver_priv;
  545. }
  546.  
  547. static inline struct vmw_master *vmw_master(struct drm_master *master)
  548. {
  549.         return (struct vmw_master *) master->driver_priv;
  550. }
  551.  
  552. static inline void vmw_write(struct vmw_private *dev_priv,
  553.                              unsigned int offset, uint32_t value)
  554. {
  555.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  556.         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
  557. }
  558.  
  559. static inline uint32_t vmw_read(struct vmw_private *dev_priv,
  560.                                 unsigned int offset)
  561. {
  562.         uint32_t val;
  563.  
  564.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  565.         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
  566.         return val;
  567. }
  568.  
  569. int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
  570. void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
  571.  
  572. /**
  573.  * GMR utilities - vmwgfx_gmr.c
  574.  */
  575.  
  576. extern int vmw_gmr_bind(struct vmw_private *dev_priv,
  577.                         const struct vmw_sg_table *vsgt,
  578.                         unsigned long num_pages,
  579.                         int gmr_id);
  580. extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
  581.  
  582. /**
  583.  * Resource utilities - vmwgfx_resource.c
  584.  */
  585. struct vmw_user_resource_conv;
  586.  
  587. extern void vmw_resource_unreference(struct vmw_resource **p_res);
  588. extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
  589. extern int vmw_resource_validate(struct vmw_resource *res);
  590. extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
  591. extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
  592. extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
  593.                                   struct ttm_object_file *tfile,
  594.                                   uint32_t handle,
  595.                                   struct vmw_surface **out_surf,
  596.                                   struct vmw_dma_buffer **out_buf);
  597. extern int vmw_user_resource_lookup_handle(
  598.         struct vmw_private *dev_priv,
  599.         struct ttm_object_file *tfile,
  600.         uint32_t handle,
  601.         const struct vmw_user_resource_conv *converter,
  602.         struct vmw_resource **p_res);
  603. extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
  604. extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
  605.                            struct vmw_dma_buffer *vmw_bo,
  606.                            size_t size, struct ttm_placement *placement,
  607.                            bool interuptable,
  608.                            void (*bo_free) (struct ttm_buffer_object *bo));
  609. extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
  610.                                   struct ttm_object_file *tfile);
  611. extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
  612.                                  struct ttm_object_file *tfile,
  613.                                  uint32_t size,
  614.                                  bool shareable,
  615.                                  uint32_t *handle,
  616.                                  struct vmw_dma_buffer **p_dma_buf);
  617. extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
  618.                                      struct vmw_dma_buffer *dma_buf,
  619.                                      uint32_t *handle);
  620. extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
  621.                                   struct drm_file *file_priv);
  622. extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
  623.                                   struct drm_file *file_priv);
  624. extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
  625.                                          struct drm_file *file_priv);
  626. extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
  627.                                          uint32_t cur_validate_node);
  628. extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
  629. extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
  630.                                   uint32_t id, struct vmw_dma_buffer **out);
  631. extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
  632.                                   struct drm_file *file_priv);
  633. extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
  634.                                   struct drm_file *file_priv);
  635. extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
  636.                                   struct ttm_object_file *tfile,
  637.                                   uint32_t *inout_id,
  638.                                   struct vmw_resource **out);
  639. extern void vmw_resource_unreserve(struct vmw_resource *res,
  640.                                    struct vmw_dma_buffer *new_backup,
  641.                                    unsigned long new_backup_offset);
  642. extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
  643.                                      struct ttm_mem_reg *mem);
  644. extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
  645.                                 struct vmw_fence_obj *fence);
  646. extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
  647.  
  648. /**
  649.  * DMA buffer helper routines - vmwgfx_dmabuf.c
  650.  */
  651. extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
  652.                                    struct vmw_dma_buffer *bo,
  653.                                    struct ttm_placement *placement,
  654.                                    bool interruptible);
  655. extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
  656.                               struct vmw_dma_buffer *buf,
  657.                               bool pin, bool interruptible);
  658. extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
  659.                                      struct vmw_dma_buffer *buf,
  660.                                      bool pin, bool interruptible);
  661. extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
  662.                                        struct vmw_dma_buffer *bo,
  663.                                        bool pin, bool interruptible);
  664. extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
  665.                             struct vmw_dma_buffer *bo,
  666.                             bool interruptible);
  667. extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
  668.                                  SVGAGuestPtr *ptr);
  669. extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
  670.  
  671. /**
  672.  * Misc Ioctl functionality - vmwgfx_ioctl.c
  673.  */
  674.  
  675. extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
  676.                               struct drm_file *file_priv);
  677. extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
  678.                                 struct drm_file *file_priv);
  679. extern int vmw_present_ioctl(struct drm_device *dev, void *data,
  680.                              struct drm_file *file_priv);
  681. extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
  682.                                       struct drm_file *file_priv);
  683. extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
  684.                              size_t count, loff_t *offset);
  685.  
  686. /**
  687.  * Fifo utilities - vmwgfx_fifo.c
  688.  */
  689.  
  690. extern int vmw_fifo_init(struct vmw_private *dev_priv,
  691.                          struct vmw_fifo_state *fifo);
  692. extern void vmw_fifo_release(struct vmw_private *dev_priv,
  693.                              struct vmw_fifo_state *fifo);
  694. extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
  695. extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
  696. extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
  697.                                uint32_t *seqno);
  698. extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
  699. extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
  700. extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
  701. extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
  702.                                      uint32_t cid);
  703.  
  704. /**
  705.  * TTM glue - vmwgfx_ttm_glue.c
  706.  */
  707.  
  708. extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
  709. extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
  710. extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
  711.  
  712. /**
  713.  * TTM buffer object driver - vmwgfx_buffer.c
  714.  */
  715.  
  716. extern const size_t vmw_tt_size;
  717. extern struct ttm_placement vmw_vram_placement;
  718. extern struct ttm_placement vmw_vram_ne_placement;
  719. extern struct ttm_placement vmw_vram_sys_placement;
  720. extern struct ttm_placement vmw_vram_gmr_placement;
  721. extern struct ttm_placement vmw_vram_gmr_ne_placement;
  722. extern struct ttm_placement vmw_sys_placement;
  723. extern struct ttm_placement vmw_sys_ne_placement;
  724. extern struct ttm_placement vmw_evictable_placement;
  725. extern struct ttm_placement vmw_srf_placement;
  726. extern struct ttm_placement vmw_mob_placement;
  727. extern struct ttm_bo_driver vmw_bo_driver;
  728. extern int vmw_dma_quiescent(struct drm_device *dev);
  729. extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
  730. extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
  731. extern const struct vmw_sg_table *
  732. vmw_bo_sg_table(struct ttm_buffer_object *bo);
  733. extern void vmw_piter_start(struct vmw_piter *viter,
  734.                             const struct vmw_sg_table *vsgt,
  735.                             unsigned long p_offs);
  736.  
  737. /**
  738.  * vmw_piter_next - Advance the iterator one page.
  739.  *
  740.  * @viter: Pointer to the iterator to advance.
  741.  *
  742.  * Returns false if past the list of pages, true otherwise.
  743.  */
  744. static inline bool vmw_piter_next(struct vmw_piter *viter)
  745. {
  746.         return viter->next(viter);
  747. }
  748.  
  749. /**
  750.  * vmw_piter_dma_addr - Return the DMA address of the current page.
  751.  *
  752.  * @viter: Pointer to the iterator
  753.  *
  754.  * Returns the DMA address of the page pointed to by @viter.
  755.  */
  756. static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
  757. {
  758.         return viter->dma_address(viter);
  759. }
  760.  
  761. /**
  762.  * vmw_piter_page - Return a pointer to the current page.
  763.  *
  764.  * @viter: Pointer to the iterator
  765.  *
  766.  * Returns the DMA address of the page pointed to by @viter.
  767.  */
  768. static inline struct page *vmw_piter_page(struct vmw_piter *viter)
  769. {
  770.         return viter->page(viter);
  771. }
  772.  
  773. /**
  774.  * Command submission - vmwgfx_execbuf.c
  775.  */
  776.  
  777. extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
  778.                              struct drm_file *file_priv);
  779. extern int vmw_execbuf_process(struct drm_file *file_priv,
  780.                                struct vmw_private *dev_priv,
  781.                                void __user *user_commands,
  782.                                void *kernel_commands,
  783.                                uint32_t command_size,
  784.                                uint64_t throttle_us,
  785.                                struct drm_vmw_fence_rep __user
  786.                                *user_fence_rep,
  787.                                struct vmw_fence_obj **out_fence);
  788. extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
  789.                                             struct vmw_fence_obj *fence);
  790. extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
  791.  
  792. extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
  793.                                       struct vmw_private *dev_priv,
  794.                                       struct vmw_fence_obj **p_fence,
  795.                                       uint32_t *p_handle);
  796. extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
  797.                                         struct vmw_fpriv *vmw_fp,
  798.                                         int ret,
  799.                                         struct drm_vmw_fence_rep __user
  800.                                         *user_fence_rep,
  801.                                         struct vmw_fence_obj *fence,
  802.                                         uint32_t fence_handle);
  803.  
  804. /**
  805.  * IRQs and wating - vmwgfx_irq.c
  806.  */
  807.  
  808. extern irqreturn_t vmw_irq_handler(int irq, void *arg);
  809. extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
  810.                              uint32_t seqno, bool interruptible,
  811.                              unsigned long timeout);
  812. extern void vmw_irq_preinstall(struct drm_device *dev);
  813. extern int vmw_irq_postinstall(struct drm_device *dev);
  814. extern void vmw_irq_uninstall(struct drm_device *dev);
  815. extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
  816.                                 uint32_t seqno);
  817. extern int vmw_fallback_wait(struct vmw_private *dev_priv,
  818.                              bool lazy,
  819.                              bool fifo_idle,
  820.                              uint32_t seqno,
  821.                              bool interruptible,
  822.                              unsigned long timeout);
  823. extern void vmw_update_seqno(struct vmw_private *dev_priv,
  824.                                 struct vmw_fifo_state *fifo_state);
  825. extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
  826. extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
  827. extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
  828. extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
  829.  
  830. /**
  831.  * Rudimentary fence-like objects currently used only for throttling -
  832.  * vmwgfx_marker.c
  833.  */
  834.  
  835. extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
  836. extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
  837. extern int vmw_marker_push(struct vmw_marker_queue *queue,
  838.                           uint32_t seqno);
  839. extern int vmw_marker_pull(struct vmw_marker_queue *queue,
  840.                           uint32_t signaled_seqno);
  841. extern int vmw_wait_lag(struct vmw_private *dev_priv,
  842.                         struct vmw_marker_queue *queue, uint32_t us);
  843.  
  844. /**
  845.  * Kernel framebuffer - vmwgfx_fb.c
  846.  */
  847.  
  848. int vmw_fb_init(struct vmw_private *vmw_priv);
  849. int vmw_fb_close(struct vmw_private *dev_priv);
  850. int vmw_fb_off(struct vmw_private *vmw_priv);
  851. int vmw_fb_on(struct vmw_private *vmw_priv);
  852.  
  853. /**
  854.  * Kernel modesetting - vmwgfx_kms.c
  855.  */
  856.  
  857. int vmw_kms_init(struct vmw_private *dev_priv);
  858. int vmw_kms_close(struct vmw_private *dev_priv);
  859. int vmw_kms_save_vga(struct vmw_private *vmw_priv);
  860. int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
  861. int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
  862.                                 struct drm_file *file_priv);
  863. void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
  864. void vmw_kms_cursor_snoop(struct vmw_surface *srf,
  865.                           struct ttm_object_file *tfile,
  866.                           struct ttm_buffer_object *bo,
  867.                           SVGA3dCmdHeader *header);
  868. int vmw_kms_write_svga(struct vmw_private *vmw_priv,
  869.                        unsigned width, unsigned height, unsigned pitch,
  870.                        unsigned bpp, unsigned depth);
  871. void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
  872. bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
  873.                                 uint32_t pitch,
  874.                                 uint32_t height);
  875. u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
  876. int vmw_enable_vblank(struct drm_device *dev, int crtc);
  877. void vmw_disable_vblank(struct drm_device *dev, int crtc);
  878. int vmw_kms_present(struct vmw_private *dev_priv,
  879.                     struct drm_file *file_priv,
  880.                     struct vmw_framebuffer *vfb,
  881.                     struct vmw_surface *surface,
  882.                     uint32_t sid, int32_t destX, int32_t destY,
  883.                     struct drm_vmw_rect *clips,
  884.                     uint32_t num_clips);
  885. int vmw_kms_readback(struct vmw_private *dev_priv,
  886.                      struct drm_file *file_priv,
  887.                      struct vmw_framebuffer *vfb,
  888.                      struct drm_vmw_fence_rep __user *user_fence_rep,
  889.                      struct drm_vmw_rect *clips,
  890.                      uint32_t num_clips);
  891. int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
  892.                                 struct drm_file *file_priv);
  893.  
  894. int vmw_dumb_create(struct drm_file *file_priv,
  895.                     struct drm_device *dev,
  896.                     struct drm_mode_create_dumb *args);
  897.  
  898. int vmw_dumb_map_offset(struct drm_file *file_priv,
  899.                         struct drm_device *dev, uint32_t handle,
  900.                         uint64_t *offset);
  901. int vmw_dumb_destroy(struct drm_file *file_priv,
  902.                      struct drm_device *dev,
  903.                      uint32_t handle);
  904. /**
  905.  * Overlay control - vmwgfx_overlay.c
  906.  */
  907.  
  908. int vmw_overlay_init(struct vmw_private *dev_priv);
  909. int vmw_overlay_close(struct vmw_private *dev_priv);
  910. int vmw_overlay_ioctl(struct drm_device *dev, void *data,
  911.                       struct drm_file *file_priv);
  912. int vmw_overlay_stop_all(struct vmw_private *dev_priv);
  913. int vmw_overlay_resume_all(struct vmw_private *dev_priv);
  914. int vmw_overlay_pause_all(struct vmw_private *dev_priv);
  915. int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
  916. int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
  917. int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
  918. int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
  919.  
  920. /**
  921.  * GMR Id manager
  922.  */
  923.  
  924. extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
  925.  
  926. /**
  927. /*
  928.  * MemoryOBject management -  vmwgfx_mob.c
  929.  */
  930. struct vmw_mob;
  931. extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
  932.                         const struct vmw_sg_table *vsgt,
  933.                         unsigned long num_data_pages, int32_t mob_id);
  934. extern void vmw_mob_unbind(struct vmw_private *dev_priv,
  935.                            struct vmw_mob *mob);
  936. extern void vmw_mob_destroy(struct vmw_mob *mob);
  937. extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
  938. extern int vmw_otables_setup(struct vmw_private *dev_priv);
  939. extern void vmw_otables_takedown(struct vmw_private *dev_priv);
  940.  
  941. /*
  942.  * Context management - vmwgfx_context.c
  943.  */
  944.  
  945. extern const struct vmw_user_resource_conv *user_context_converter;
  946.  
  947. extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
  948.  
  949. extern int vmw_context_check(struct vmw_private *dev_priv,
  950.                              struct ttm_object_file *tfile,
  951.                              int id,
  952.                              struct vmw_resource **p_res);
  953. extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
  954.                                     struct drm_file *file_priv);
  955. extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
  956.                                      struct drm_file *file_priv);
  957. extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
  958.                                    const struct vmw_ctx_bindinfo *ci);
  959. extern void
  960. vmw_context_binding_state_transfer(struct vmw_resource *res,
  961.                                    struct vmw_ctx_binding_state *cbs);
  962. extern void vmw_context_binding_res_list_kill(struct list_head *head);
  963.  
  964. /*
  965.  * Surface management - vmwgfx_surface.c
  966.  */
  967.  
  968. extern const struct vmw_user_resource_conv *user_surface_converter;
  969.  
  970. extern void vmw_surface_res_free(struct vmw_resource *res);
  971. extern int vmw_surface_check(struct vmw_private *dev_priv,
  972.                              struct ttm_object_file *tfile,
  973.                              uint32_t handle, int *id);
  974. extern int vmw_surface_validate(struct vmw_private *dev_priv,
  975.                                 struct vmw_surface *srf);
  976.  
  977. /*
  978.  * Shader management - vmwgfx_shader.c
  979.  */
  980.  
  981. extern const struct vmw_user_resource_conv *user_shader_converter;
  982. /**
  983.  * Inline helper functions
  984.  */
  985.  
  986. static inline void vmw_surface_unreference(struct vmw_surface **srf)
  987. {
  988.         struct vmw_surface *tmp_srf = *srf;
  989.         struct vmw_resource *res = &tmp_srf->res;
  990.         *srf = NULL;
  991.  
  992.         vmw_resource_unreference(&res);
  993. }
  994.  
  995. static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
  996. {
  997.         (void) vmw_resource_reference(&srf->res);
  998.         return srf;
  999. }
  1000.  
  1001. static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
  1002. {
  1003.         struct vmw_dma_buffer *tmp_buf = *buf;
  1004.  
  1005.         *buf = NULL;
  1006.         if (tmp_buf != NULL) {
  1007.                 struct ttm_buffer_object *bo = &tmp_buf->base;
  1008.  
  1009.                 ttm_bo_unref(&bo);
  1010.         }
  1011. }
  1012.  
  1013. static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
  1014. {
  1015.         if (ttm_bo_reference(&buf->base))
  1016.                 return buf;
  1017.         return NULL;
  1018. }
  1019.  
  1020. static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
  1021. {
  1022.         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
  1023. }
  1024.  
  1025. extern struct drm_device *main_device;
  1026. extern struct drm_file   *drm_file_handlers[256];
  1027.  
  1028. typedef struct
  1029. {
  1030.   int width;
  1031.   int height;
  1032.   int bpp;
  1033.   int freq;
  1034. }videomode_t;
  1035.  
  1036. #endif
  1037.