diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1718 |
1 files changed, 1718 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h new file mode 100644 index 000000000..136f1cdcf --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -0,0 +1,1718 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/************************************************************************** + * + * Copyright 2009-2022 VMware, Inc., Palo Alto, CA., USA + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef _VMWGFX_DRV_H_ +#define _VMWGFX_DRV_H_ + +#include <linux/suspend.h> +#include <linux/sync_file.h> +#include <linux/hashtable.h> + +#include <drm/drm_auth.h> +#include <drm/drm_device.h> +#include <drm/drm_file.h> +#include <drm/drm_rect.h> + +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_execbuf_util.h> + +#include "ttm_object.h" + +#include "vmwgfx_fence.h" +#include "vmwgfx_reg.h" +#include "vmwgfx_validation.h" + +/* + * FIXME: vmwgfx_drm.h needs to be last due to dependencies. + * uapi headers should not depend on header files outside uapi/. + */ +#include <drm/vmwgfx_drm.h> + + +#define VMWGFX_DRIVER_NAME "vmwgfx" +#define VMWGFX_DRIVER_DATE "20211206" +#define VMWGFX_DRIVER_MAJOR 2 +#define VMWGFX_DRIVER_MINOR 20 +#define VMWGFX_DRIVER_PATCHLEVEL 0 +#define VMWGFX_FIFO_STATIC_SIZE (1024*1024) +#define VMWGFX_MAX_DISPLAYS 16 +#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 + +#define VMWGFX_PCI_ID_SVGA2 0x0405 +#define VMWGFX_PCI_ID_SVGA3 0x0406 + +/* + * This has to match get_count_order(SVGA_IRQFLAG_MAX) + */ +#define VMWGFX_MAX_NUM_IRQS 6 + +/* + * Perhaps we should have sysfs entries for these. + */ +#define VMWGFX_NUM_GB_CONTEXT 256 +#define VMWGFX_NUM_GB_SHADER 20000 +#define VMWGFX_NUM_GB_SURFACE 32768 +#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS +#define VMWGFX_NUM_DXCONTEXT 256 +#define VMWGFX_NUM_DXQUERY 512 +#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ + VMWGFX_NUM_GB_SHADER +\ + VMWGFX_NUM_GB_SURFACE +\ + VMWGFX_NUM_GB_SCREEN_TARGET) + +#define VMW_PL_GMR (TTM_PL_PRIV + 0) +#define VMW_PL_MOB (TTM_PL_PRIV + 1) +#define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) + +#define VMW_RES_CONTEXT ttm_driver_type0 +#define VMW_RES_SURFACE ttm_driver_type1 +#define VMW_RES_STREAM ttm_driver_type2 +#define VMW_RES_FENCE ttm_driver_type3 +#define VMW_RES_SHADER ttm_driver_type4 +#define VMW_RES_HT_ORDER 12 + +#define MKSSTAT_CAPACITY_LOG2 5U +#define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) + +struct vmw_fpriv { + struct ttm_object_file *tfile; + bool gb_aware; /* user-space is guest-backed aware */ +}; + +struct vmwgfx_hash_item { + struct hlist_node head; + unsigned long key; +}; + +/** + * struct vmw_buffer_object - TTM buffer object with vmwgfx additions + * @base: The TTM buffer object + * @res_tree: RB tree of resources using this buffer object as a backing MOB + * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers. + * @cpu_writers: Number of synccpu write grabs. Protected by reservation when + * increased. May be decreased without reservation. + * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB + * @map: Kmap object for semi-persistent mappings + * @res_prios: Eviction priority counts for attached resources + * @dirty: structure for user-space dirty-tracking + */ +struct vmw_buffer_object { + struct ttm_buffer_object base; + struct rb_root res_tree; + /* For KMS atomic helpers: ttm bo mapping count */ + atomic_t base_mapped_count; + + atomic_t cpu_writers; + /* Not ref-counted. Protected by binding_mutex */ + struct vmw_resource *dx_query_ctx; + /* Protected by reservation */ + struct ttm_bo_kmap_obj map; + u32 res_prios[TTM_MAX_BO_PRIORITY]; + struct vmw_bo_dirty *dirty; +}; + +/** + * struct vmw_validate_buffer - Carries validation info about buffers. + * + * @base: Validation info for TTM. + * @hash: Hash entry for quick lookup of the TTM buffer object. + * + * This structure contains also driver private validation info + * on top of the info needed by TTM. + */ +struct vmw_validate_buffer { + struct ttm_validate_buffer base; + struct vmwgfx_hash_item hash; + bool validate_as_mob; +}; + +struct vmw_res_func; + + +/** + * struct vmw-resource - base class for hardware resources + * + * @kref: For refcounting. + * @dev_priv: Pointer to the device private for this resource. Immutable. + * @id: Device id. Protected by @dev_priv::resource_lock. + * @backup_size: Backup buffer size. Immutable. + * @res_dirty: Resource contains data not yet in the backup buffer. Protected + * by resource reserved. + * @backup_dirty: Backup buffer contains data not yet in the HW resource. + * Protected by resource reserved. + * @coherent: Emulate coherency by tracking vm accesses. + * @backup: The backup buffer if any. Protected by resource reserved. + * @backup_offset: Offset into the backup buffer if any. Protected by resource + * reserved. Note that only a few resource types can have a @backup_offset + * different from zero. + * @pin_count: The pin count for this resource. A pinned resource has a + * pin-count greater than zero. It is not on the resource LRU lists and its + * backup buffer is pinned. Hence it can't be evicted. + * @func: Method vtable for this resource. Immutable. + * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. + * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. + * @binding_head: List head for the context binding list. Protected by + * the @dev_priv::binding_mutex + * @res_free: The resource destructor. + * @hw_destroy: Callback to destroy the resource on the device, as part of + * resource destruction. + */ +struct vmw_resource_dirty; +struct vmw_resource { + struct kref kref; + struct vmw_private *dev_priv; + int id; + u32 used_prio; + unsigned long backup_size; + u32 res_dirty : 1; + u32 backup_dirty : 1; + u32 coherent : 1; + struct vmw_buffer_object *backup; + unsigned long backup_offset; + unsigned long pin_count; + const struct vmw_res_func *func; + struct rb_node mob_node; + struct list_head lru_head; + struct list_head binding_head; + struct vmw_resource_dirty *dirty; + void (*res_free) (struct vmw_resource *res); + void (*hw_destroy) (struct vmw_resource *res); +}; + + +/* + * Resources that are managed using ioctls. + */ +enum vmw_res_type { + vmw_res_context, + vmw_res_surface, + vmw_res_stream, + vmw_res_shader, + vmw_res_dx_context, + vmw_res_cotable, + vmw_res_view, + vmw_res_streamoutput, + vmw_res_max +}; + +/* + * Resources that are managed using command streams. + */ +enum vmw_cmdbuf_res_type { + vmw_cmdbuf_res_shader, + vmw_cmdbuf_res_view, + vmw_cmdbuf_res_streamoutput +}; + +struct vmw_cmdbuf_res_manager; + +struct vmw_cursor_snooper { + size_t age; + uint32_t *image; +}; + +struct vmw_framebuffer; +struct vmw_surface_offset; + +/** + * struct vmw_surface_metadata - Metadata describing a surface. + * + * @flags: Device flags. + * @format: Surface SVGA3D_x format. + * @mip_levels: Mip level for each face. For GB first index is used only. + * @multisample_count: Sample count. + * @multisample_pattern: Sample patterns. + * @quality_level: Quality level. + * @autogen_filter: Filter for automatically generated mipmaps. + * @array_size: Number of array elements for a 1D/2D texture. For cubemap + texture number of faces * array_size. This should be 0 for pre + SM4 device. + * @buffer_byte_stride: Buffer byte stride. + * @num_sizes: Size of @sizes. For GB surface this should always be 1. + * @base_size: Surface dimension. + * @sizes: Array representing mip sizes. Legacy only. + * @scanout: Whether this surface will be used for scanout. + * + * This tracks metadata for both legacy and guest backed surface. + */ +struct vmw_surface_metadata { + u64 flags; + u32 format; + u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; + u32 multisample_count; + u32 multisample_pattern; + u32 quality_level; + u32 autogen_filter; + u32 array_size; + u32 num_sizes; + u32 buffer_byte_stride; + struct drm_vmw_size base_size; + struct drm_vmw_size *sizes; + bool scanout; +}; + +/** + * struct vmw_surface: Resource structure for a surface. + * + * @res: The base resource for this surface. + * @metadata: Metadata for this surface resource. + * @snooper: Cursor data. Legacy surface only. + * @offsets: Legacy surface only. + * @view_list: List of views bound to this surface. + */ +struct vmw_surface { + struct vmw_resource res; + struct vmw_surface_metadata metadata; + struct vmw_cursor_snooper snooper; + struct vmw_surface_offset *offsets; + struct list_head view_list; +}; + +struct vmw_fifo_state { + unsigned long reserved_size; + u32 *dynamic_buffer; + u32 *static_buffer; + unsigned long static_buffer_size; + bool using_bounce_buffer; + uint32_t capabilities; + struct mutex fifo_mutex; + struct rw_semaphore rwsem; +}; + +/** + * struct vmw_res_cache_entry - resource information cache entry + * @handle: User-space handle of a resource. + * @res: Non-ref-counted pointer to the resource. + * @valid_handle: Whether the @handle member is valid. + * @valid: Whether the entry is valid, which also implies that the execbuf + * code holds a reference to the resource, and it's placed on the + * validation list. + * + * Used to avoid frequent repeated user-space handle lookups of the + * same resource. + */ +struct vmw_res_cache_entry { + uint32_t handle; + struct vmw_resource *res; + void *private; + unsigned short valid_handle; + unsigned short valid; +}; + +/** + * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. + */ +enum vmw_dma_map_mode { + vmw_dma_alloc_coherent, /* Use TTM coherent pages */ + vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ + vmw_dma_map_bind, /* Unmap from DMA just before unbind */ + vmw_dma_map_max +}; + +/** + * struct vmw_sg_table - Scatter/gather table for binding, with additional + * device-specific information. + * + * @sgt: Pointer to a struct sg_table with binding information + * @num_regions: Number of regions with device-address contiguous pages + */ +struct vmw_sg_table { + enum vmw_dma_map_mode mode; + struct page **pages; + const dma_addr_t *addrs; + struct sg_table *sgt; + unsigned long num_pages; +}; + +/** + * struct vmw_piter - Page iterator that iterates over a list of pages + * and DMA addresses that could be either a scatter-gather list or + * arrays + * + * @pages: Array of page pointers to the pages. + * @addrs: DMA addresses to the pages if coherent pages are used. + * @iter: Scatter-gather page iterator. Current position in SG list. + * @i: Current position in arrays. + * @num_pages: Number of pages total. + * @next: Function to advance the iterator. Returns false if past the list + * of pages, true otherwise. + * @dma_address: Function to return the DMA address of the current page. + */ +struct vmw_piter { + struct page **pages; + const dma_addr_t *addrs; + struct sg_dma_page_iter iter; + unsigned long i; + unsigned long num_pages; + bool (*next)(struct vmw_piter *); + dma_addr_t (*dma_address)(struct vmw_piter *); +}; + + +struct vmw_ttm_tt { + struct ttm_tt dma_ttm; + struct vmw_private *dev_priv; + int gmr_id; + struct vmw_mob *mob; + int mem_type; + struct sg_table sgt; + struct vmw_sg_table vsgt; + bool mapped; + bool bound; +}; + +/* + * enum vmw_display_unit_type - Describes the display unit + */ +enum vmw_display_unit_type { + vmw_du_invalid = 0, + vmw_du_legacy, + vmw_du_screen_object, + vmw_du_screen_target, + vmw_du_max +}; + +struct vmw_validation_context; +struct vmw_ctx_validation_info; + +/** + * struct vmw_sw_context - Command submission context + * @res_ht: Pointer hash table used to find validation duplicates + * @kernel: Whether the command buffer originates from kernel code rather + * than from user-space + * @fp: If @kernel is false, points to the file of the client. Otherwise + * NULL + * @cmd_bounce: Command bounce buffer used for command validation before + * copying to fifo space + * @cmd_bounce_size: Current command bounce buffer size + * @cur_query_bo: Current buffer object used as query result buffer + * @bo_relocations: List of buffer object relocations + * @res_relocations: List of resource relocations + * @buf_start: Pointer to start of memory where command validation takes + * place + * @res_cache: Cache of recently looked up resources + * @last_query_ctx: Last context that submitted a query + * @needs_post_query_barrier: Whether a query barrier is needed after + * command submission + * @staged_bindings: Cached per-context binding tracker + * @staged_bindings_inuse: Whether the cached per-context binding tracker + * is in use + * @staged_cmd_res: List of staged command buffer managed resources in this + * command buffer + * @ctx_list: List of context resources referenced in this command buffer + * @dx_ctx_node: Validation metadata of the current DX context + * @dx_query_mob: The MOB used for DX queries + * @dx_query_ctx: The DX context used for the last DX query + * @man: Pointer to the command buffer managed resource manager + * @ctx: The validation context + */ +struct vmw_sw_context{ + DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); + bool kernel; + struct vmw_fpriv *fp; + struct drm_file *filp; + uint32_t *cmd_bounce; + uint32_t cmd_bounce_size; + struct vmw_buffer_object *cur_query_bo; + struct list_head bo_relocations; + struct list_head res_relocations; + uint32_t *buf_start; + struct vmw_res_cache_entry res_cache[vmw_res_max]; + struct vmw_resource *last_query_ctx; + bool needs_post_query_barrier; + struct vmw_ctx_binding_state *staged_bindings; + bool staged_bindings_inuse; + struct list_head staged_cmd_res; + struct list_head ctx_list; + struct vmw_ctx_validation_info *dx_ctx_node; + struct vmw_buffer_object *dx_query_mob; + struct vmw_resource *dx_query_ctx; + struct vmw_cmdbuf_res_manager *man; + struct vmw_validation_context *ctx; +}; + +struct vmw_legacy_display; +struct vmw_overlay; + +struct vmw_vga_topology_state { + uint32_t width; + uint32_t height; + uint32_t primary; + uint32_t pos_x; + uint32_t pos_y; +}; + + +/* + * struct vmw_otable - Guest Memory OBject table metadata + * + * @size: Size of the table (page-aligned). + * @page_table: Pointer to a struct vmw_mob holding the page table. + */ +struct vmw_otable { + unsigned long size; + struct vmw_mob *page_table; + bool enabled; +}; + +struct vmw_otable_batch { + unsigned num_otables; + struct vmw_otable *otables; + struct vmw_resource *context; + struct ttm_buffer_object *otable_bo; +}; + +enum { + VMW_IRQTHREAD_FENCE, + VMW_IRQTHREAD_CMDBUF, + VMW_IRQTHREAD_MAX +}; + +/** + * enum vmw_sm_type - Graphics context capability supported by device. + * @VMW_SM_LEGACY: Pre DX context. + * @VMW_SM_4: Context support upto SM4. + * @VMW_SM_4_1: Context support upto SM4_1. + * @VMW_SM_5: Context support up to SM5. + * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. + * @VMW_SM_MAX: Should be the last. + */ +enum vmw_sm_type { + VMW_SM_LEGACY = 0, + VMW_SM_4, + VMW_SM_4_1, + VMW_SM_5, + VMW_SM_5_1X, + VMW_SM_MAX +}; + +struct vmw_private { + struct drm_device drm; + struct ttm_device bdev; + + struct drm_vma_offset_manager vma_manager; + u32 pci_id; + resource_size_t io_start; + resource_size_t vram_start; + resource_size_t vram_size; + resource_size_t max_primary_mem; + u32 __iomem *rmmio; + u32 *fifo_mem; + resource_size_t fifo_mem_size; + uint32_t fb_max_width; + uint32_t fb_max_height; + uint32_t texture_max_width; + uint32_t texture_max_height; + uint32_t stdu_max_width; + uint32_t stdu_max_height; + uint32_t initial_width; + uint32_t initial_height; + uint32_t capabilities; + uint32_t capabilities2; + uint32_t max_gmr_ids; + uint32_t max_gmr_pages; + uint32_t max_mob_pages; + uint32_t max_mob_size; + uint32_t memory_size; + bool has_gmr; + bool has_mob; + spinlock_t hw_lock; + bool assume_16bpp; + u32 irqs[VMWGFX_MAX_NUM_IRQS]; + u32 num_irq_vectors; + + enum vmw_sm_type sm_type; + + /* + * Framebuffer info. + */ + + void *fb_info; + enum vmw_display_unit_type active_display_unit; + struct vmw_legacy_display *ldu_priv; + struct vmw_overlay *overlay_priv; + struct drm_property *hotplug_mode_update_property; + struct drm_property *implicit_placement_property; + spinlock_t cursor_lock; + struct drm_atomic_state *suspend_state; + + /* + * Context and surface management. + */ + + spinlock_t resource_lock; + struct idr res_idr[vmw_res_max]; + + /* + * A resource manager for kernel-only surfaces and + * contexts. + */ + + struct ttm_object_device *tdev; + + /* + * Fencing and IRQs. + */ + + atomic_t marker_seq; + wait_queue_head_t fence_queue; + wait_queue_head_t fifo_queue; + spinlock_t waiter_lock; + int fence_queue_waiters; /* Protected by waiter_lock */ + int goal_queue_waiters; /* Protected by waiter_lock */ + int cmdbuf_waiters; /* Protected by waiter_lock */ + int error_waiters; /* Protected by waiter_lock */ + int fifo_queue_waiters; /* Protected by waiter_lock */ + uint32_t last_read_seqno; + struct vmw_fence_manager *fman; + uint32_t irq_mask; /* Updates protected by waiter_lock */ + + /* + * Device state + */ + + uint32_t traces_state; + uint32_t enable_state; + uint32_t config_done_state; + + /** + * Execbuf + */ + /** + * Protected by the cmdbuf mutex. + */ + + struct vmw_sw_context ctx; + struct mutex cmdbuf_mutex; + struct mutex binding_mutex; + + bool enable_fb; + + /** + * PM management. + */ + struct notifier_block pm_nb; + bool refuse_hibernation; + bool suspend_locked; + + atomic_t num_fifo_resources; + + /* + * Query processing. These members + * are protected by the cmdbuf mutex. + */ + + struct vmw_buffer_object *dummy_query_bo; + struct vmw_buffer_object *pinned_bo; + uint32_t query_cid; + uint32_t query_cid_valid; + bool dummy_query_bo_pinned; + + /* + * Surface swapping. The "surface_lru" list is protected by the + * resource lock in order to be able to destroy a surface and take + * it off the lru atomically. "used_memory_size" is currently + * protected by the cmdbuf mutex for simplicity. + */ + + struct list_head res_lru[vmw_res_max]; + uint32_t used_memory_size; + + /* + * DMA mapping stuff. + */ + enum vmw_dma_map_mode map_mode; + + /* + * Guest Backed stuff + */ + struct vmw_otable_batch otable_batch; + + struct vmw_fifo_state *fifo; + struct vmw_cmdbuf_man *cman; + DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); + + uint32 *devcaps; + + /* + * mksGuestStat instance-descriptor and pid arrays + */ + struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; + atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; + +#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) + struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; + u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; + atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; +#endif +}; + +static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) +{ + return container_of((gobj), struct vmw_buffer_object, base.base); +} + +static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) +{ + return container_of(res, struct vmw_surface, res); +} + +static inline struct vmw_private *vmw_priv(struct drm_device *dev) +{ + return (struct vmw_private *)dev->dev_private; +} + +static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) +{ + return (struct vmw_fpriv *)file_priv->driver_priv; +} + +/* + * SVGA v3 has mmio register access and lacks fifo cmds + */ +static inline bool vmw_is_svga_v3(const struct vmw_private *dev) +{ + return dev->pci_id == VMWGFX_PCI_ID_SVGA3; +} + +/* + * The locking here is fine-grained, so that it is performed once + * for every read- and write operation. This is of course costly, but we + * don't perform much register access in the timing critical paths anyway. + * Instead we have the extra benefit of being sure that we don't forget + * the hw lock around register accesses. + */ +static inline void vmw_write(struct vmw_private *dev_priv, + unsigned int offset, uint32_t value) +{ + if (vmw_is_svga_v3(dev_priv)) { + iowrite32(value, dev_priv->rmmio + offset); + } else { + spin_lock(&dev_priv->hw_lock); + outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); + outl(value, dev_priv->io_start + SVGA_VALUE_PORT); + spin_unlock(&dev_priv->hw_lock); + } +} + +static inline uint32_t vmw_read(struct vmw_private *dev_priv, + unsigned int offset) +{ + u32 val; + + if (vmw_is_svga_v3(dev_priv)) { + val = ioread32(dev_priv->rmmio + offset); + } else { + spin_lock(&dev_priv->hw_lock); + outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); + val = inl(dev_priv->io_start + SVGA_VALUE_PORT); + spin_unlock(&dev_priv->hw_lock); + } + + return val; +} + +/** + * has_sm4_context - Does the device support SM4 context. + * @dev_priv: Device private. + * + * Return: Bool value if device support SM4 context or not. + */ +static inline bool has_sm4_context(const struct vmw_private *dev_priv) +{ + return (dev_priv->sm_type >= VMW_SM_4); +} + +/** + * has_sm4_1_context - Does the device support SM4_1 context. + * @dev_priv: Device private. + * + * Return: Bool value if device support SM4_1 context or not. + */ +static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) +{ + return (dev_priv->sm_type >= VMW_SM_4_1); +} + +/** + * has_sm5_context - Does the device support SM5 context. + * @dev_priv: Device private. + * + * Return: Bool value if device support SM5 context or not. + */ +static inline bool has_sm5_context(const struct vmw_private *dev_priv) +{ + return (dev_priv->sm_type >= VMW_SM_5); +} + +/** + * has_gl43_context - Does the device support GL43 context. + * @dev_priv: Device private. + * + * Return: Bool value if device support SM5 context or not. + */ +static inline bool has_gl43_context(const struct vmw_private *dev_priv) +{ + return (dev_priv->sm_type >= VMW_SM_5_1X); +} + + +static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) +{ + return (has_gl43_context(dev_priv) ? + SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); +} + +extern void vmw_svga_enable(struct vmw_private *dev_priv); +extern void vmw_svga_disable(struct vmw_private *dev_priv); + + +/** + * GMR utilities - vmwgfx_gmr.c + */ + +extern int vmw_gmr_bind(struct vmw_private *dev_priv, + const struct vmw_sg_table *vsgt, + unsigned long num_pages, + int gmr_id); +extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); + +/** + * Resource utilities - vmwgfx_resource.c + */ +struct vmw_user_resource_conv; + +extern void vmw_resource_unreference(struct vmw_resource **p_res); +extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); +extern struct vmw_resource * +vmw_resource_reference_unless_doomed(struct vmw_resource *res); +extern int vmw_resource_validate(struct vmw_resource *res, bool intr, + bool dirtying); +extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, + bool no_backup); +extern bool vmw_resource_needs_backup(const struct vmw_resource *res); +extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, + struct drm_file *filp, + uint32_t handle, + struct vmw_surface **out_surf, + struct vmw_buffer_object **out_buf); +extern int vmw_user_resource_lookup_handle( + struct vmw_private *dev_priv, + struct ttm_object_file *tfile, + uint32_t handle, + const struct vmw_user_resource_conv *converter, + struct vmw_resource **p_res); + +extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, + struct ttm_object_file *tfile, + uint32_t *inout_id, + struct vmw_resource **out); +extern void vmw_resource_unreserve(struct vmw_resource *res, + bool dirty_set, + bool dirty, + bool switch_backup, + struct vmw_buffer_object *new_backup, + unsigned long new_backup_offset); +extern void vmw_query_move_notify(struct ttm_buffer_object *bo, + struct ttm_resource *old_mem, + struct ttm_resource *new_mem); +extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); +extern void vmw_resource_evict_all(struct vmw_private *dev_priv); +extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); +void vmw_resource_mob_attach(struct vmw_resource *res); +void vmw_resource_mob_detach(struct vmw_resource *res); +void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, + pgoff_t end); +int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, + pgoff_t end, pgoff_t *num_prefault); + +/** + * vmw_resource_mob_attached - Whether a resource currently has a mob attached + * @res: The resource + * + * Return: true if the resource has a mob attached, false otherwise. + */ +static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) +{ + return !RB_EMPTY_NODE(&res->mob_node); +} + +/** + * Buffer object helper functions - vmwgfx_bo.c + */ +extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, + struct vmw_buffer_object *bo, + struct ttm_placement *placement, + bool interruptible); +extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, + struct vmw_buffer_object *buf, + bool interruptible); +extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, + struct vmw_buffer_object *buf, + bool interruptible); +extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, + struct vmw_buffer_object *bo, + bool interruptible); +extern int vmw_bo_unpin(struct vmw_private *vmw_priv, + struct vmw_buffer_object *bo, + bool interruptible); +extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, + SVGAGuestPtr *ptr); +extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); +extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); +extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, + unsigned long size, + struct ttm_placement *placement, + struct ttm_buffer_object **p_bo); +extern int vmw_bo_create(struct vmw_private *dev_priv, + size_t size, struct ttm_placement *placement, + bool interruptible, bool pin, + void (*bo_free)(struct ttm_buffer_object *bo), + struct vmw_buffer_object **p_bo); +extern int vmw_bo_init(struct vmw_private *dev_priv, + struct vmw_buffer_object *vmw_bo, + size_t size, struct ttm_placement *placement, + bool interruptible, bool pin, + void (*bo_free)(struct ttm_buffer_object *bo)); +extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_user_bo_lookup(struct drm_file *filp, + uint32_t handle, + struct vmw_buffer_object **out); +extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, + struct vmw_fence_obj *fence); +extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); +extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); +extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, + struct ttm_resource *mem); +extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); + +/** + * vmw_bo_adjust_prio - Adjust the buffer object eviction priority + * according to attached resources + * @vbo: The struct vmw_buffer_object + */ +static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) +{ + int i = ARRAY_SIZE(vbo->res_prios); + + while (i--) { + if (vbo->res_prios[i]) { + vbo->base.priority = i; + return; + } + } + + vbo->base.priority = 3; +} + +/** + * vmw_bo_prio_add - Notify a buffer object of a newly attached resource + * eviction priority + * @vbo: The struct vmw_buffer_object + * @prio: The resource priority + * + * After being notified, the code assigns the highest resource eviction priority + * to the backing buffer object (mob). + */ +static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) +{ + if (vbo->res_prios[prio]++ == 0) + vmw_bo_prio_adjust(vbo); +} + +/** + * vmw_bo_prio_del - Notify a buffer object of a resource with a certain + * priority being removed + * @vbo: The struct vmw_buffer_object + * @prio: The resource priority + * + * After being notified, the code assigns the highest resource eviction priority + * to the backing buffer object (mob). + */ +static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) +{ + if (--vbo->res_prios[prio] == 0) + vmw_bo_prio_adjust(vbo); +} + +/** + * GEM related functionality - vmwgfx_gem.c + */ +extern int vmw_gem_object_create(struct vmw_private *dev_priv, + size_t size, struct ttm_placement *placement, + bool interruptible, bool pin, + void (*bo_free)(struct ttm_buffer_object *bo), + struct vmw_buffer_object **p_bo); +extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, + struct drm_file *filp, + uint32_t size, + uint32_t *handle, + struct vmw_buffer_object **p_vbo); +extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *filp); +extern void vmw_gem_destroy(struct ttm_buffer_object *bo); +extern void vmw_debugfs_gem_init(struct vmw_private *vdev); + +/** + * Misc Ioctl functionality - vmwgfx_ioctl.c + */ + +extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_present_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +/** + * Fifo utilities - vmwgfx_fifo.c + */ + +extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); +extern void vmw_fifo_destroy(struct vmw_private *dev_priv); +extern bool vmw_cmd_supported(struct vmw_private *vmw); +extern void * +vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); +extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); +extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); +extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); +extern bool vmw_supports_3d(struct vmw_private *dev_priv); +extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); +extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); +extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, + uint32_t cid); +extern int vmw_cmd_flush(struct vmw_private *dev_priv, + bool interruptible); + +#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ +({ \ + vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ + DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ + __func__, (unsigned int) __bytes); \ + NULL; \ + }); \ +}) + +#define VMW_CMD_RESERVE(__priv, __bytes) \ + VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) + + +/** + * vmw_fifo_caps - Returns the capabilities of the FIFO command + * queue or 0 if fifo memory isn't present. + * @dev_priv: The device private context + */ +static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) +{ + if (!dev_priv->fifo_mem || !dev_priv->fifo) + return 0; + return dev_priv->fifo->capabilities; +} + + +/** + * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 + * is enabled in the FIFO. + * @dev_priv: The device private context + */ +static inline bool +vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) +{ + return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; +} + +/** + * TTM glue - vmwgfx_ttm_glue.c + */ + +extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); + +/** + * TTM buffer object driver - vmwgfx_ttm_buffer.c + */ + +extern const size_t vmw_tt_size; +extern struct ttm_placement vmw_vram_placement; +extern struct ttm_placement vmw_vram_sys_placement; +extern struct ttm_placement vmw_vram_gmr_placement; +extern struct ttm_placement vmw_sys_placement; +extern struct ttm_placement vmw_srf_placement; +extern struct ttm_placement vmw_mob_placement; +extern struct ttm_placement vmw_nonfixed_placement; +extern struct ttm_device_funcs vmw_bo_driver; +extern const struct vmw_sg_table * +vmw_bo_sg_table(struct ttm_buffer_object *bo); +extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, + unsigned long bo_size, + struct ttm_buffer_object **bo_p); + +extern void vmw_piter_start(struct vmw_piter *viter, + const struct vmw_sg_table *vsgt, + unsigned long p_offs); + +/** + * vmw_piter_next - Advance the iterator one page. + * + * @viter: Pointer to the iterator to advance. + * + * Returns false if past the list of pages, true otherwise. + */ +static inline bool vmw_piter_next(struct vmw_piter *viter) +{ + return viter->next(viter); +} + +/** + * vmw_piter_dma_addr - Return the DMA address of the current page. + * + * @viter: Pointer to the iterator + * + * Returns the DMA address of the page pointed to by @viter. + */ +static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) +{ + return viter->dma_address(viter); +} + +/** + * vmw_piter_page - Return a pointer to the current page. + * + * @viter: Pointer to the iterator + * + * Returns the DMA address of the page pointed to by @viter. + */ +static inline struct page *vmw_piter_page(struct vmw_piter *viter) +{ + return viter->pages[viter->i]; +} + +/** + * Command submission - vmwgfx_execbuf.c + */ + +extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_execbuf_process(struct drm_file *file_priv, + struct vmw_private *dev_priv, + void __user *user_commands, + void *kernel_commands, + uint32_t command_size, + uint64_t throttle_us, + uint32_t dx_context_handle, + struct drm_vmw_fence_rep __user + *user_fence_rep, + struct vmw_fence_obj **out_fence, + uint32_t flags); +extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, + struct vmw_fence_obj *fence); +extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); + +extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, + struct vmw_private *dev_priv, + struct vmw_fence_obj **p_fence, + uint32_t *p_handle); +extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, + struct vmw_fpriv *vmw_fp, + int ret, + struct drm_vmw_fence_rep __user + *user_fence_rep, + struct vmw_fence_obj *fence, + uint32_t fence_handle, + int32_t out_fence_fd); +bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); + +/** + * IRQs and wating - vmwgfx_irq.c + */ + +extern int vmw_irq_install(struct vmw_private *dev_priv); +extern void vmw_irq_uninstall(struct drm_device *dev); +extern bool vmw_seqno_passed(struct vmw_private *dev_priv, + uint32_t seqno); +extern int vmw_fallback_wait(struct vmw_private *dev_priv, + bool lazy, + bool fifo_idle, + uint32_t seqno, + bool interruptible, + unsigned long timeout); +extern void vmw_update_seqno(struct vmw_private *dev_priv); +extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); +extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); +extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); +extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); +extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, + int *waiter_count); +extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, + u32 flag, int *waiter_count); + + +/** + * Kernel framebuffer - vmwgfx_fb.c + */ + +#ifdef CONFIG_DRM_FBDEV_EMULATION +int vmw_fb_init(struct vmw_private *vmw_priv); +int vmw_fb_close(struct vmw_private *dev_priv); +int vmw_fb_off(struct vmw_private *vmw_priv); +int vmw_fb_on(struct vmw_private *vmw_priv); +#else +static inline int vmw_fb_init(struct vmw_private *vmw_priv) +{ + return 0; +} +static inline int vmw_fb_close(struct vmw_private *dev_priv) +{ + return 0; +} +static inline int vmw_fb_off(struct vmw_private *vmw_priv) +{ + return 0; +} +static inline int vmw_fb_on(struct vmw_private *vmw_priv) +{ + return 0; +} +#endif + +/** + * Kernel modesetting - vmwgfx_kms.c + */ + +int vmw_kms_init(struct vmw_private *dev_priv); +int vmw_kms_close(struct vmw_private *dev_priv); +int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); +void vmw_kms_cursor_snoop(struct vmw_surface *srf, + struct ttm_object_file *tfile, + struct ttm_buffer_object *bo, + SVGA3dCmdHeader *header); +int vmw_kms_write_svga(struct vmw_private *vmw_priv, + unsigned width, unsigned height, unsigned pitch, + unsigned bpp, unsigned depth); +bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, + uint32_t pitch, + uint32_t height); +int vmw_kms_present(struct vmw_private *dev_priv, + struct drm_file *file_priv, + struct vmw_framebuffer *vfb, + struct vmw_surface *surface, + uint32_t sid, int32_t destX, int32_t destY, + struct drm_vmw_rect *clips, + uint32_t num_clips); +int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); +int vmw_kms_suspend(struct drm_device *dev); +int vmw_kms_resume(struct drm_device *dev); +void vmw_kms_lost_device(struct drm_device *dev); + +int vmw_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); +extern void vmw_resource_unpin(struct vmw_resource *res); +extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); + +/** + * Overlay control - vmwgfx_overlay.c + */ + +int vmw_overlay_init(struct vmw_private *dev_priv); +int vmw_overlay_close(struct vmw_private *dev_priv); +int vmw_overlay_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int vmw_overlay_resume_all(struct vmw_private *dev_priv); +int vmw_overlay_pause_all(struct vmw_private *dev_priv); +int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); +int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); +int vmw_overlay_num_overlays(struct vmw_private *dev_priv); +int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); + +/** + * GMR Id manager + */ + +int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); +void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); + +/** + * System memory manager + */ +int vmw_sys_man_init(struct vmw_private *dev_priv); +void vmw_sys_man_fini(struct vmw_private *dev_priv); + +/** + * Prime - vmwgfx_prime.c + */ + +extern const struct dma_buf_ops vmw_prime_dmabuf_ops; +extern int vmw_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, + int fd, u32 *handle); +extern int vmw_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, + uint32_t handle, uint32_t flags, + int *prime_fd); + +/* + * MemoryOBject management - vmwgfx_mob.c + */ +struct vmw_mob; +extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, + const struct vmw_sg_table *vsgt, + unsigned long num_data_pages, int32_t mob_id); +extern void vmw_mob_unbind(struct vmw_private *dev_priv, + struct vmw_mob *mob); +extern void vmw_mob_destroy(struct vmw_mob *mob); +extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); +extern int vmw_otables_setup(struct vmw_private *dev_priv); +extern void vmw_otables_takedown(struct vmw_private *dev_priv); + +/* + * Context management - vmwgfx_context.c + */ + +extern const struct vmw_user_resource_conv *user_context_converter; + +extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); +extern struct vmw_cmdbuf_res_manager * +vmw_context_res_man(struct vmw_resource *ctx); +extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, + SVGACOTableType cotable_type); +struct vmw_ctx_binding_state; +extern struct vmw_ctx_binding_state * +vmw_context_binding_state(struct vmw_resource *ctx); +extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, + bool readback); +extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, + struct vmw_buffer_object *mob); +extern struct vmw_buffer_object * +vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); + + +/* + * Surface management - vmwgfx_surface.c + */ + +extern const struct vmw_user_resource_conv *user_surface_converter; + +extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv); +extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv); + +int vmw_gb_surface_define(struct vmw_private *dev_priv, + const struct vmw_surface_metadata *req, + struct vmw_surface **srf_out); + +/* + * Shader management - vmwgfx_shader.c + */ + +extern const struct vmw_user_resource_conv *user_shader_converter; + +extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int vmw_compat_shader_add(struct vmw_private *dev_priv, + struct vmw_cmdbuf_res_manager *man, + u32 user_key, const void *bytecode, + SVGA3dShaderType shader_type, + size_t size, + struct list_head *list); +extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, + u32 user_key, SVGA3dShaderType shader_type, + struct list_head *list); +extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, + struct vmw_resource *ctx, + u32 user_key, + SVGA3dShaderType shader_type, + struct list_head *list); +extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, + struct list_head *list, + bool readback); + +extern struct vmw_resource * +vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, + u32 user_key, SVGA3dShaderType shader_type); + +/* + * Streamoutput management + */ +struct vmw_resource * +vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, + u32 user_key); +int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, + struct vmw_resource *ctx, + SVGA3dStreamOutputId user_key, + struct list_head *list); +void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); +int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, + SVGA3dStreamOutputId user_key, + struct list_head *list); +void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, + struct list_head *list, + bool readback); + +/* + * Command buffer managed resources - vmwgfx_cmdbuf_res.c + */ + +extern struct vmw_cmdbuf_res_manager * +vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); +extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); +extern struct vmw_resource * +vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key); +extern void vmw_cmdbuf_res_revert(struct list_head *list); +extern void vmw_cmdbuf_res_commit(struct list_head *list); +extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct vmw_resource *res, + struct list_head *list); +extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct list_head *list, + struct vmw_resource **res); + +/* + * COTable management - vmwgfx_cotable.c + */ +extern const SVGACOTableType vmw_cotable_scrub_order[]; +extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, + struct vmw_resource *ctx, + u32 type); +extern int vmw_cotable_notify(struct vmw_resource *res, int id); +extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); +extern void vmw_cotable_add_resource(struct vmw_resource *ctx, + struct list_head *head); + +/* + * Command buffer managerment vmwgfx_cmdbuf.c + */ +struct vmw_cmdbuf_man; +struct vmw_cmdbuf_header; + +extern struct vmw_cmdbuf_man * +vmw_cmdbuf_man_create(struct vmw_private *dev_priv); +extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); +extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); +extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); +extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, + unsigned long timeout); +extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, + int ctx_id, bool interruptible, + struct vmw_cmdbuf_header *header); +extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, + struct vmw_cmdbuf_header *header, + bool flush); +extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, + size_t size, bool interruptible, + struct vmw_cmdbuf_header **p_header); +extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); +extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, + bool interruptible); +extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); + +/* CPU blit utilities - vmwgfx_blit.c */ + +/** + * struct vmw_diff_cpy - CPU blit information structure + * + * @rect: The output bounding box rectangle. + * @line: The current line of the blit. + * @line_offset: Offset of the current line segment. + * @cpp: Bytes per pixel (granularity information). + * @memcpy: Which memcpy function to use. + */ +struct vmw_diff_cpy { + struct drm_rect rect; + size_t line; + size_t line_offset; + int cpp; + void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, + size_t n); +}; + +#define VMW_CPU_BLIT_INITIALIZER { \ + .do_cpy = vmw_memcpy, \ +} + +#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ + .line = 0, \ + .line_offset = 0, \ + .rect = { .x1 = INT_MAX/2, \ + .y1 = INT_MAX/2, \ + .x2 = INT_MIN/2, \ + .y2 = INT_MIN/2 \ + }, \ + .cpp = _cpp, \ + .do_cpy = vmw_diff_memcpy, \ +} + +void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, + size_t n); + +void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); + +int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, + u32 dst_offset, u32 dst_stride, + struct ttm_buffer_object *src, + u32 src_offset, u32 src_stride, + u32 w, u32 h, + struct vmw_diff_cpy *diff); + +/* Host messaging -vmwgfx_msg.c: */ +int vmw_host_get_guestinfo(const char *guest_info_param, + char *buffer, size_t *length); +__printf(1, 2) int vmw_host_printf(const char *fmt, ...); +int vmw_msg_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +/* Host mksGuestStats -vmwgfx_msg.c: */ +int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); + +int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int vmw_mksstat_remove_all(struct vmw_private *dev_priv); + +/* VMW logging */ + +/** + * VMW_DEBUG_USER - Debug output for user-space debugging. + * + * @fmt: printf() like format string. + * + * This macro is for logging user-space error and debugging messages for e.g. + * command buffer execution errors due to malformed commands, invalid context, + * etc. + */ +#define VMW_DEBUG_USER(fmt, ...) \ + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) + +/* Resource dirtying - vmwgfx_page_dirty.c */ +void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); +int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); +void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); +void vmw_bo_dirty_clear_res(struct vmw_resource *res); +void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); +void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, + pgoff_t start, pgoff_t end); +vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); +vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); + + +/** + * VMW_DEBUG_KMS - Debug output for kernel mode-setting + * + * This macro is for debugging vmwgfx mode-setting code. + */ +#define VMW_DEBUG_KMS(fmt, ...) \ + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) + +/** + * Inline helper functions + */ + +static inline void vmw_surface_unreference(struct vmw_surface **srf) +{ + struct vmw_surface *tmp_srf = *srf; + struct vmw_resource *res = &tmp_srf->res; + *srf = NULL; + + vmw_resource_unreference(&res); +} + +static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) +{ + (void) vmw_resource_reference(&srf->res); + return srf; +} + +static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) +{ + struct vmw_buffer_object *tmp_buf = *buf; + + *buf = NULL; + if (tmp_buf != NULL) + ttm_bo_put(&tmp_buf->base); +} + +static inline struct vmw_buffer_object * +vmw_bo_reference(struct vmw_buffer_object *buf) +{ + ttm_bo_get(&buf->base); + return buf; +} + +static inline struct vmw_buffer_object *vmw_user_bo_ref(struct vmw_buffer_object *vbo) +{ + drm_gem_object_get(&vbo->base.base); + return vbo; +} + +static inline void vmw_user_bo_unref(struct vmw_buffer_object **buf) +{ + struct vmw_buffer_object *tmp_buf = *buf; + + *buf = NULL; + if (tmp_buf) + drm_gem_object_put(&tmp_buf->base.base); +} + +static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) +{ + atomic_inc(&dev_priv->num_fifo_resources); +} + +static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) +{ + atomic_dec(&dev_priv->num_fifo_resources); +} + +/** + * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory + * + * @fifo_reg: The fifo register to read from + * + * This function is intended to be equivalent to ioread32() on + * memremap'd memory, but without byteswapping. + */ +static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) +{ + BUG_ON(vmw_is_svga_v3(vmw)); + return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); +} + +/** + * vmw_fifo_mem_write - Perform a MMIO write to volatile memory + * + * @addr: The fifo register to write to + * + * This function is intended to be equivalent to iowrite32 on + * memremap'd memory, but without byteswapping. + */ +static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, + u32 value) +{ + BUG_ON(vmw_is_svga_v3(vmw)); + WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); +} + +static inline u32 vmw_fence_read(struct vmw_private *dev_priv) +{ + u32 fence; + if (vmw_is_svga_v3(dev_priv)) + fence = vmw_read(dev_priv, SVGA_REG_FENCE); + else + fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); + return fence; +} + +static inline void vmw_fence_write(struct vmw_private *dev_priv, + u32 fence) +{ + BUG_ON(vmw_is_svga_v3(dev_priv)); + vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); +} + +static inline u32 vmw_irq_status_read(struct vmw_private *vmw) +{ + u32 status; + if (vmw_is_svga_v3(vmw)) + status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); + else + status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); + return status; +} + +static inline void vmw_irq_status_write(struct vmw_private *vmw, + uint32 status) +{ + if (vmw_is_svga_v3(vmw)) + vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); + else + outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); +} + +static inline bool vmw_has_fences(struct vmw_private *vmw) +{ + if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | + SVGA_CAP_CMD_BUFFERS_2)) != 0) + return true; + return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; +} + +static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, + u32 shader_type) +{ + SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; + + if (shader_model >= VMW_SM_5) + max_allowed = SVGA3D_SHADERTYPE_MAX; + else if (shader_model >= VMW_SM_4) + max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; + return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; +} + +#endif |