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linux-zen-desktop/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

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2023-08-30 17:31:07 +02:00
/* 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_execbuf_util.h>
#include <drm/ttm/ttm_tt.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_bo.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_MIN_INITIAL_WIDTH 1280
#define VMWGFX_MIN_INITIAL_HEIGHT 800
#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 VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8
#define VMW_CURSOR_SNOOP_WIDTH 64
#define VMW_CURSOR_SNOOP_HEIGHT 64
#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.
*/
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;
/**
* 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_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 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 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;
}
#endif