[deliverable/linux.git] / drivers / gpu / drm / qxl / qxl_drv.h

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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, sublicense,
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Dave Airlie
 *          Alon Levy
 */


#ifndef QXL_DRV_H
#define QXL_DRV_H

/*
 * Definitions taken from spice-protocol, plus kernel driver specific bits.
 */

#include <linux/fence.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
#include <linux/platform_device.h>

#include "drmP.h"
#include "drm_crtc.h"
#include <ttm/ttm_bo_api.h>
#include <ttm/ttm_bo_driver.h>
#include <ttm/ttm_placement.h>
#include <ttm/ttm_module.h>

#include <drm/drm_gem.h>

/* just for ttm_validate_buffer */
#include <ttm/ttm_execbuf_util.h>

#include <drm/qxl_drm.h>
#include "qxl_dev.h"

#define DRIVER_AUTHOR		"Dave Airlie"

#define DRIVER_NAME		"qxl"
#define DRIVER_DESC		"RH QXL"
#define DRIVER_DATE		"20120117"

#define DRIVER_MAJOR 0
#define DRIVER_MINOR 1
#define DRIVER_PATCHLEVEL 0

#define QXL_DEBUGFS_MAX_COMPONENTS		32

extern int qxl_log_level;
extern int qxl_num_crtc;

enum {
	QXL_INFO_LEVEL = 1,
	QXL_DEBUG_LEVEL = 2,
};

#define QXL_INFO(qdev, fmt, ...) do { \
		if (qxl_log_level >= QXL_INFO_LEVEL) {	\
			qxl_io_log(qdev, fmt, __VA_ARGS__); \
		}	\
	} while (0)
#define QXL_DEBUG(qdev, fmt, ...) do { \
		if (qxl_log_level >= QXL_DEBUG_LEVEL) {	\
			qxl_io_log(qdev, fmt, __VA_ARGS__); \
		}	\
	} while (0)
#define QXL_INFO_ONCE(qdev, fmt, ...) do { \
		static int done;		\
		if (!done) {			\
			done = 1;			\
			QXL_INFO(qdev, fmt, __VA_ARGS__);	\
		}						\
	} while (0)

#define DRM_FILE_OFFSET 0x100000000ULL
#define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)

#define QXL_INTERRUPT_MASK (\
	QXL_INTERRUPT_DISPLAY |\
	QXL_INTERRUPT_CURSOR |\
	QXL_INTERRUPT_IO_CMD |\
	QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)

struct qxl_bo {
	/* Protected by gem.mutex */
	struct list_head		list;
	/* Protected by tbo.reserved */
	struct ttm_place		placements[3];
	struct ttm_placement		placement;
	struct ttm_buffer_object	tbo;
	struct ttm_bo_kmap_obj		kmap;
	unsigned			pin_count;
	void				*kptr;
	int                             type;

	/* Constant after initialization */
	struct drm_gem_object		gem_base;
	bool is_primary; /* is this now a primary surface */
	bool hw_surf_alloc;
	struct qxl_surface surf;
	uint32_t surface_id;
	struct qxl_release *surf_create;
};
#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)

struct qxl_gem {
	struct mutex		mutex;
	struct list_head	objects;
};

struct qxl_bo_list {
	struct ttm_validate_buffer tv;
};

struct qxl_crtc {
	struct drm_crtc base;
	int index;
	int cur_x;
	int cur_y;
};

struct qxl_output {
	int index;
	struct drm_connector base;
	struct drm_encoder enc;
};

struct qxl_framebuffer {
	struct drm_framebuffer base;
	struct drm_gem_object *obj;
};

#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
#define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base)

struct qxl_mman {
	struct ttm_bo_global_ref        bo_global_ref;
	struct drm_global_reference	mem_global_ref;
	bool				mem_global_referenced;
	struct ttm_bo_device		bdev;
};

struct qxl_mode_info {
	int num_modes;
	struct qxl_mode *modes;
	bool mode_config_initialized;

	/* pointer to fbdev info structure */
	struct qxl_fbdev *qfbdev;
};


struct qxl_memslot {
	uint8_t		generation;
	uint64_t	start_phys_addr;
	uint64_t	end_phys_addr;
	uint64_t	high_bits;
};

enum {
	QXL_RELEASE_DRAWABLE,
	QXL_RELEASE_SURFACE_CMD,
	QXL_RELEASE_CURSOR_CMD,
};

/* drm_ prefix to differentiate from qxl_release_info in
 * spice-protocol/qxl_dev.h */
#define QXL_MAX_RES 96
struct qxl_release {
	struct fence base;

	int id;
	int type;
	uint32_t release_offset;
	uint32_t surface_release_id;
	struct ww_acquire_ctx ticket;
	struct list_head bos;
};

struct qxl_drm_chunk {
	struct list_head head;
	struct qxl_bo *bo;
};

struct qxl_drm_image {
	struct qxl_bo *bo;
	struct list_head chunk_list;
};

struct qxl_fb_image {
	struct qxl_device *qdev;
	uint32_t pseudo_palette[16];
	struct fb_image fb_image;
	uint32_t visual;
};

struct qxl_draw_fill {
	struct qxl_device *qdev;
	struct qxl_rect rect;
	uint32_t color;
	uint16_t rop;
};

/*
 * Debugfs
 */
struct qxl_debugfs {
	struct drm_info_list	*files;
	unsigned		num_files;
};

int qxl_debugfs_add_files(struct qxl_device *rdev,
			     struct drm_info_list *files,
			     unsigned nfiles);
int qxl_debugfs_fence_init(struct qxl_device *rdev);
void qxl_debugfs_remove_files(struct qxl_device *qdev);

struct qxl_device;

struct qxl_device {
	struct device			*dev;
	struct drm_device		*ddev;
	struct pci_dev			*pdev;
	unsigned long flags;

	resource_size_t vram_base, vram_size;
	resource_size_t surfaceram_base, surfaceram_size;
	resource_size_t rom_base, rom_size;
	struct qxl_rom *rom;

	struct qxl_mode *modes;
	struct qxl_bo *monitors_config_bo;
	struct qxl_monitors_config *monitors_config;

	/* last received client_monitors_config */
	struct qxl_monitors_config *client_monitors_config;

	int io_base;
	void *ram;
	struct qxl_mman		mman;
	struct qxl_gem		gem;
	struct qxl_mode_info mode_info;

	struct fb_info			*fbdev_info;
	struct qxl_framebuffer	*fbdev_qfb;
	void *ram_physical;

	struct qxl_ring *release_ring;
	struct qxl_ring *command_ring;
	struct qxl_ring *cursor_ring;

	struct qxl_ram_header *ram_header;

	bool primary_created;

	struct qxl_memslot	*mem_slots;
	uint8_t		n_mem_slots;

	uint8_t		main_mem_slot;
	uint8_t		surfaces_mem_slot;
	uint8_t		slot_id_bits;
	uint8_t		slot_gen_bits;
	uint64_t	va_slot_mask;

	spinlock_t	release_lock;
	struct idr	release_idr;
	uint32_t	release_seqno;
	spinlock_t release_idr_lock;
	struct mutex	async_io_mutex;
	unsigned int last_sent_io_cmd;

	/* interrupt handling */
	atomic_t irq_received;
	atomic_t irq_received_display;
	atomic_t irq_received_cursor;
	atomic_t irq_received_io_cmd;
	unsigned irq_received_error;
	wait_queue_head_t display_event;
	wait_queue_head_t cursor_event;
	wait_queue_head_t io_cmd_event;
	struct work_struct client_monitors_config_work;

	/* debugfs */
	struct qxl_debugfs	debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
	unsigned		debugfs_count;

	struct mutex		update_area_mutex;

	struct idr	surf_id_idr;
	spinlock_t surf_id_idr_lock;
	int last_alloced_surf_id;

	struct mutex surf_evict_mutex;
	struct io_mapping *vram_mapping;
	struct io_mapping *surface_mapping;

	/* */
	struct mutex release_mutex;
	struct qxl_bo *current_release_bo[3];
	int current_release_bo_offset[3];

	struct workqueue_struct *gc_queue;
	struct work_struct gc_work;

	struct work_struct fb_work;

	struct drm_property *hotplug_mode_update_property;
};

/* forward declaration for QXL_INFO_IO */
void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...);

extern const struct drm_ioctl_desc qxl_ioctls[];
extern int qxl_max_ioctl;

int qxl_driver_load(struct drm_device *dev, unsigned long flags);
int qxl_driver_unload(struct drm_device *dev);

int qxl_modeset_init(struct qxl_device *qdev);
void qxl_modeset_fini(struct qxl_device *qdev);

int qxl_bo_init(struct qxl_device *qdev);
void qxl_bo_fini(struct qxl_device *qdev);

void qxl_reinit_memslots(struct qxl_device *qdev);
int qxl_surf_evict(struct qxl_device *qdev);
int qxl_vram_evict(struct qxl_device *qdev);

struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
				 int element_size,
				 int n_elements,
				 int prod_notify,
				 bool set_prod_notify,
				 wait_queue_head_t *push_event);
void qxl_ring_free(struct qxl_ring *ring);
void qxl_ring_init_hdr(struct qxl_ring *ring);
int qxl_check_idle(struct qxl_ring *ring);

static inline void *
qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
{
	QXL_INFO(qdev, "not implemented (%lu)\n", physical);
	return 0;
}

static inline uint64_t
qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
			unsigned long offset)
{
	int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
	struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);

	/* TODO - need to hold one of the locks to read tbo.offset */
	return slot->high_bits | (bo->tbo.offset + offset);
}

/* qxl_fb.c */
#define QXLFB_CONN_LIMIT 1

int qxl_fbdev_init(struct qxl_device *qdev);
void qxl_fbdev_fini(struct qxl_device *qdev);
int qxl_get_handle_for_primary_fb(struct qxl_device *qdev,
				  struct drm_file *file_priv,
				  uint32_t *handle);
void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state);

/* qxl_display.c */
int
qxl_framebuffer_init(struct drm_device *dev,
		     struct qxl_framebuffer *rfb,
		     struct drm_mode_fb_cmd2 *mode_cmd,
		     struct drm_gem_object *obj);
void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
void qxl_send_monitors_config(struct qxl_device *qdev);
int qxl_create_monitors_object(struct qxl_device *qdev);
int qxl_destroy_monitors_object(struct qxl_device *qdev);

/* used by qxl_debugfs only */
void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev);
void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count);

/* qxl_gem.c */
int qxl_gem_init(struct qxl_device *qdev);
void qxl_gem_fini(struct qxl_device *qdev);
int qxl_gem_object_create(struct qxl_device *qdev, int size,
			  int alignment, int initial_domain,
			  bool discardable, bool kernel,
			  struct qxl_surface *surf,
			  struct drm_gem_object **obj);
int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
				      struct drm_file *file_priv,
				      u32 domain,
				      size_t size,
				      struct qxl_surface *surf,
				      struct qxl_bo **qobj,
				      uint32_t *handle);
void qxl_gem_object_free(struct drm_gem_object *gobj);
int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv);
void qxl_gem_object_close(struct drm_gem_object *obj,
			  struct drm_file *file_priv);
void qxl_bo_force_delete(struct qxl_device *qdev);
int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);

/* qxl_dumb.c */
int qxl_mode_dumb_create(struct drm_file *file_priv,
			 struct drm_device *dev,
			 struct drm_mode_create_dumb *args);
int qxl_mode_dumb_mmap(struct drm_file *filp,
		       struct drm_device *dev,
		       uint32_t handle, uint64_t *offset_p);


/* qxl ttm */
int qxl_ttm_init(struct qxl_device *qdev);
void qxl_ttm_fini(struct qxl_device *qdev);
int qxl_mmap(struct file *filp, struct vm_area_struct *vma);

/* qxl image */

int qxl_image_init(struct qxl_device *qdev,
		   struct qxl_release *release,
		   struct qxl_drm_image *dimage,
		   const uint8_t *data,
		   int x, int y, int width, int height,
		   int depth, int stride);
int
qxl_image_alloc_objects(struct qxl_device *qdev,
			struct qxl_release *release,
			struct qxl_drm_image **image_ptr,
			int height, int stride);
void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage);

void qxl_update_screen(struct qxl_device *qxl);

/* qxl io operations (qxl_cmd.c) */

void qxl_io_create_primary(struct qxl_device *qdev,
			   unsigned offset,
			   struct qxl_bo *bo);
void qxl_io_destroy_primary(struct qxl_device *qdev);
void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
void qxl_io_notify_oom(struct qxl_device *qdev);

int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
		       const struct qxl_rect *area);

void qxl_io_reset(struct qxl_device *qdev);
void qxl_io_monitors_config(struct qxl_device *qdev);
int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible);
void qxl_io_flush_release(struct qxl_device *qdev);
void qxl_io_flush_surfaces(struct qxl_device *qdev);

union qxl_release_info *qxl_release_map(struct qxl_device *qdev,
					struct qxl_release *release);
void qxl_release_unmap(struct qxl_device *qdev,
		       struct qxl_release *release,
		       union qxl_release_info *info);
int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo);
int qxl_release_reserve_list(struct qxl_release *release, bool no_intr);
void qxl_release_backoff_reserve_list(struct qxl_release *release);
void qxl_release_fence_buffer_objects(struct qxl_release *release);

int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
				       enum qxl_surface_cmd_type surface_cmd_type,
				       struct qxl_release *create_rel,
				       struct qxl_release **release);
int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
			       int type, struct qxl_release **release,
			       struct qxl_bo **rbo);

int
qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,
			      uint32_t type, bool interruptible);
int
qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,
			     uint32_t type, bool interruptible);
int qxl_alloc_bo_reserved(struct qxl_device *qdev,
			  struct qxl_release *release,
			  unsigned long size,
			  struct qxl_bo **_bo);
/* qxl drawing commands */

void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
			int stride /* filled in if 0 */);

void qxl_draw_dirty_fb(struct qxl_device *qdev,
		       struct qxl_framebuffer *qxl_fb,
		       struct qxl_bo *bo,
		       unsigned flags, unsigned color,
		       struct drm_clip_rect *clips,
		       unsigned num_clips, int inc);

void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec);

void qxl_draw_copyarea(struct qxl_device *qdev,
		       u32 width, u32 height,
		       u32 sx, u32 sy,
		       u32 dx, u32 dy);

void qxl_release_free(struct qxl_device *qdev,
		      struct qxl_release *release);

/* used by qxl_debugfs_release */
struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev,
						   uint64_t id);

bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
int qxl_garbage_collect(struct qxl_device *qdev);

/* debugfs */

int qxl_debugfs_init(struct drm_minor *minor);
void qxl_debugfs_takedown(struct drm_minor *minor);

/* qxl_prime.c */
int qxl_gem_prime_pin(struct drm_gem_object *obj);
void qxl_gem_prime_unpin(struct drm_gem_object *obj);
struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *qxl_gem_prime_import_sg_table(
	struct drm_device *dev, size_t size,
	struct sg_table *sgt);
void *qxl_gem_prime_vmap(struct drm_gem_object *obj);
void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
int qxl_gem_prime_mmap(struct drm_gem_object *obj,
				struct vm_area_struct *vma);

/* qxl_irq.c */
int qxl_irq_init(struct qxl_device *qdev);
irqreturn_t qxl_irq_handler(int irq, void *arg);

/* qxl_fb.c */
int qxl_fb_init(struct qxl_device *qdev);
bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj);

int qxl_debugfs_add_files(struct qxl_device *qdev,
			  struct drm_info_list *files,
			  unsigned nfiles);

int qxl_surface_id_alloc(struct qxl_device *qdev,
			 struct qxl_bo *surf);
void qxl_surface_id_dealloc(struct qxl_device *qdev,
			    uint32_t surface_id);
int qxl_hw_surface_alloc(struct qxl_device *qdev,
			 struct qxl_bo *surf,
			 struct ttm_mem_reg *mem);
int qxl_hw_surface_dealloc(struct qxl_device *qdev,
			   struct qxl_bo *surf);

int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo);

struct qxl_drv_surface *
qxl_surface_lookup(struct drm_device *dev, int surface_id);
void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);
int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf);

#endif
Commit	Line	Data
f64122c1 DA	1	/*
	2	* Copyright 2013 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Dave Airlie
	23	* Alon Levy
	24	*/
	25
	26
	27	#ifndef QXL_DRV_H
	28	#define QXL_DRV_H
	29
	30	/*
	31	* Definitions taken from spice-protocol, plus kernel driver specific bits.
	32	*/
	33
2f453ed4	34	#include <linux/fence.h>
f64122c1 DA	35	#include <linux/workqueue.h>
	36	#include <linux/firmware.h>
	37	#include <linux/platform_device.h>
	38
	39	#include "drmP.h"
	40	#include "drm_crtc.h"
	41	#include <ttm/ttm_bo_api.h>
	42	#include <ttm/ttm_bo_driver.h>
	43	#include <ttm/ttm_placement.h>
	44	#include <ttm/ttm_module.h>
	45
d9fc9413 DV	46	#include <drm/drm_gem.h>
d9fc9413 DV	47
8002db63 DA	48	/* just for ttm_validate_buffer */
	49	#include <ttm/ttm_execbuf_util.h>
	50
f64122c1 DA	51	#include <drm/qxl_drm.h>
	52	#include "qxl_dev.h"
	53
	54	#define DRIVER_AUTHOR "Dave Airlie"
	55
	56	#define DRIVER_NAME "qxl"
	57	#define DRIVER_DESC "RH QXL"
	58	#define DRIVER_DATE "20120117"
	59
	60	#define DRIVER_MAJOR 0
	61	#define DRIVER_MINOR 1
	62	#define DRIVER_PATCHLEVEL 0
	63
f64122c1 DA	64	#define QXL_DEBUGFS_MAX_COMPONENTS 32
	65
	66	extern int qxl_log_level;
07f8d9bd	67	extern int qxl_num_crtc;
f64122c1 DA	68
	69	enum {
	70	QXL_INFO_LEVEL = 1,
	71	QXL_DEBUG_LEVEL = 2,
	72	};
	73
	74	#define QXL_INFO(qdev, fmt, ...) do { \
	75	if (qxl_log_level >= QXL_INFO_LEVEL) { \
	76	qxl_io_log(qdev, fmt, __VA_ARGS__); \
	77	} \
	78	} while (0)
	79	#define QXL_DEBUG(qdev, fmt, ...) do { \
	80	if (qxl_log_level >= QXL_DEBUG_LEVEL) { \
	81	qxl_io_log(qdev, fmt, __VA_ARGS__); \
	82	} \
	83	} while (0)
	84	#define QXL_INFO_ONCE(qdev, fmt, ...) do { \
	85	static int done; \
	86	if (!done) { \
	87	done = 1; \
	88	QXL_INFO(qdev, fmt, __VA_ARGS__); \
	89	} \
	90	} while (0)
	91
	92	#define DRM_FILE_OFFSET 0x100000000ULL
	93	#define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)
	94
	95	#define QXL_INTERRUPT_MASK (\
	96	QXL_INTERRUPT_DISPLAY \|\
	97	QXL_INTERRUPT_CURSOR \|\
	98	QXL_INTERRUPT_IO_CMD \|\
	99	QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
	100
f64122c1 DA	101	struct qxl_bo {
	102	/* Protected by gem.mutex */
	103	struct list_head list;
	104	/* Protected by tbo.reserved */
f1217ed0	105	struct ttm_place placements[3];
f64122c1 DA	106	struct ttm_placement placement;
	107	struct ttm_buffer_object tbo;
	108	struct ttm_bo_kmap_obj kmap;
	109	unsigned pin_count;
	110	void *kptr;
	111	int type;
2f453ed4	112
f64122c1 DA	113	/* Constant after initialization */
	114	struct drm_gem_object gem_base;
	115	bool is_primary; /* is this now a primary surface */
	116	bool hw_surf_alloc;
	117	struct qxl_surface surf;
	118	uint32_t surface_id;
f64122c1	119	struct qxl_release *surf_create;
f64122c1 DA	120	};
f64122c1 DA	121	#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
8002db63	122	#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)
f64122c1 DA	123
	124	struct qxl_gem {
	125	struct mutex mutex;
	126	struct list_head objects;
	127	};
	128
	129	struct qxl_bo_list {
8002db63	130	struct ttm_validate_buffer tv;
f64122c1 DA	131	};
	132
	133	struct qxl_crtc {
	134	struct drm_crtc base;
07f8d9bd	135	int index;
f64122c1 DA	136	int cur_x;
	137	int cur_y;
	138	};
	139
	140	struct qxl_output {
	141	int index;
	142	struct drm_connector base;
	143	struct drm_encoder enc;
	144	};
	145
	146	struct qxl_framebuffer {
	147	struct drm_framebuffer base;
	148	struct drm_gem_object *obj;
	149	};
	150
	151	#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
	152	#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
07f8d9bd	153	#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
f64122c1 DA	154	#define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base)
	155
	156	struct qxl_mman {
	157	struct ttm_bo_global_ref bo_global_ref;
	158	struct drm_global_reference mem_global_ref;
	159	bool mem_global_referenced;
	160	struct ttm_bo_device bdev;
	161	};
	162
	163	struct qxl_mode_info {
	164	int num_modes;
	165	struct qxl_mode *modes;
	166	bool mode_config_initialized;
	167
	168	/* pointer to fbdev info structure */
	169	struct qxl_fbdev *qfbdev;
	170	};
	171
	172
	173	struct qxl_memslot {
	174	uint8_t generation;
	175	uint64_t start_phys_addr;
	176	uint64_t end_phys_addr;
	177	uint64_t high_bits;
	178	};
	179
	180	enum {
	181	QXL_RELEASE_DRAWABLE,
	182	QXL_RELEASE_SURFACE_CMD,
	183	QXL_RELEASE_CURSOR_CMD,
	184	};
	185
	186	/* drm_ prefix to differentiate from qxl_release_info in
	187	* spice-protocol/qxl_dev.h */
	188	#define QXL_MAX_RES 96
	189	struct qxl_release {
2f453ed4 ML	190	struct fence base;
2f453ed4 ML	191
f64122c1 DA	192	int id;
f64122c1 DA	193	int type;
f64122c1 DA	194	uint32_t release_offset;
f64122c1 DA	195	uint32_t surface_release_id;
8002db63 DA	196	struct ww_acquire_ctx ticket;
	197	struct list_head bos;
	198	};
	199
	200	struct qxl_drm_chunk {
	201	struct list_head head;
	202	struct qxl_bo *bo;
	203	};
	204
	205	struct qxl_drm_image {
	206	struct qxl_bo *bo;
	207	struct list_head chunk_list;
f64122c1 DA	208	};
	209
	210	struct qxl_fb_image {
	211	struct qxl_device *qdev;
	212	uint32_t pseudo_palette[16];
	213	struct fb_image fb_image;
	214	uint32_t visual;
	215	};
	216
	217	struct qxl_draw_fill {
	218	struct qxl_device *qdev;
	219	struct qxl_rect rect;
	220	uint32_t color;
	221	uint16_t rop;
	222	};
	223
	224	/*
	225	* Debugfs
	226	*/
	227	struct qxl_debugfs {
	228	struct drm_info_list *files;
	229	unsigned num_files;
	230	};
	231
	232	int qxl_debugfs_add_files(struct qxl_device *rdev,
	233	struct drm_info_list *files,
	234	unsigned nfiles);
	235	int qxl_debugfs_fence_init(struct qxl_device *rdev);
	236	void qxl_debugfs_remove_files(struct qxl_device *qdev);
	237
	238	struct qxl_device;
	239
	240	struct qxl_device {
	241	struct device *dev;
	242	struct drm_device *ddev;
	243	struct pci_dev *pdev;
	244	unsigned long flags;
	245
	246	resource_size_t vram_base, vram_size;
	247	resource_size_t surfaceram_base, surfaceram_size;
	248	resource_size_t rom_base, rom_size;
	249	struct qxl_rom *rom;
	250
	251	struct qxl_mode *modes;
	252	struct qxl_bo *monitors_config_bo;
	253	struct qxl_monitors_config *monitors_config;
	254
	255	/* last received client_monitors_config */
	256	struct qxl_monitors_config *client_monitors_config;
	257
	258	int io_base;
	259	void *ram;
	260	struct qxl_mman mman;
	261	struct qxl_gem gem;
	262	struct qxl_mode_info mode_info;
	263
f64122c1 DA	264	struct fb_info *fbdev_info;
	265	struct qxl_framebuffer *fbdev_qfb;
	266	void *ram_physical;
	267
	268	struct qxl_ring *release_ring;
	269	struct qxl_ring *command_ring;
	270	struct qxl_ring *cursor_ring;
	271
	272	struct qxl_ram_header *ram_header;
f64122c1 DA	273
	274	bool primary_created;
	275
	276	struct qxl_memslot *mem_slots;
	277	uint8_t n_mem_slots;
	278
	279	uint8_t main_mem_slot;
	280	uint8_t surfaces_mem_slot;
	281	uint8_t slot_id_bits;
	282	uint8_t slot_gen_bits;
	283	uint64_t va_slot_mask;
	284
2f453ed4	285	spinlock_t release_lock;
f64122c1	286	struct idr release_idr;
2f453ed4	287	uint32_t release_seqno;
f64122c1 DA	288	spinlock_t release_idr_lock;
	289	struct mutex async_io_mutex;
	290	unsigned int last_sent_io_cmd;
	291
	292	/* interrupt handling */
	293	atomic_t irq_received;
	294	atomic_t irq_received_display;
	295	atomic_t irq_received_cursor;
	296	atomic_t irq_received_io_cmd;
	297	unsigned irq_received_error;
	298	wait_queue_head_t display_event;
	299	wait_queue_head_t cursor_event;
	300	wait_queue_head_t io_cmd_event;
	301	struct work_struct client_monitors_config_work;
	302
	303	/* debugfs */
	304	struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
	305	unsigned debugfs_count;
	306
	307	struct mutex update_area_mutex;
	308
	309	struct idr surf_id_idr;
	310	spinlock_t surf_id_idr_lock;
	311	int last_alloced_surf_id;
	312
	313	struct mutex surf_evict_mutex;
	314	struct io_mapping *vram_mapping;
	315	struct io_mapping *surface_mapping;
	316
	317	/* */
	318	struct mutex release_mutex;
	319	struct qxl_bo *current_release_bo[3];
	320	int current_release_bo_offset[3];
	321
	322	struct workqueue_struct *gc_queue;
	323	struct work_struct gc_work;
	324
0665f9f8	325	struct work_struct fb_work;
4695b039 DA	326
4695b039 DA	327	struct drm_property *hotplug_mode_update_property;
f64122c1 DA	328	};
	329
	330	/* forward declaration for QXL_INFO_IO */
	331	void qxl_io_log(struct qxl_device qdev, const char fmt, ...);
	332
baa70943	333	extern const struct drm_ioctl_desc qxl_ioctls[];
f64122c1 DA	334	extern int qxl_max_ioctl;
	335
	336	int qxl_driver_load(struct drm_device *dev, unsigned long flags);
	337	int qxl_driver_unload(struct drm_device *dev);
	338
	339	int qxl_modeset_init(struct qxl_device *qdev);
	340	void qxl_modeset_fini(struct qxl_device *qdev);
	341
	342	int qxl_bo_init(struct qxl_device *qdev);
	343	void qxl_bo_fini(struct qxl_device *qdev);
	344
c9fdda2a	345	void qxl_reinit_memslots(struct qxl_device *qdev);
b86487a6	346	int qxl_surf_evict(struct qxl_device *qdev);
d84300bf	347	int qxl_vram_evict(struct qxl_device *qdev);
c9fdda2a	348
f64122c1 DA	349	struct qxl_ring qxl_ring_create(struct qxl_ring_header header,
	350	int element_size,
	351	int n_elements,
	352	int prod_notify,
	353	bool set_prod_notify,
	354	wait_queue_head_t *push_event);
	355	void qxl_ring_free(struct qxl_ring *ring);
1e209117 DA	356	void qxl_ring_init_hdr(struct qxl_ring *ring);
1e209117 DA	357	int qxl_check_idle(struct qxl_ring *ring);
f64122c1 DA	358
	359	static inline void *
	360	qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
	361	{
	362	QXL_INFO(qdev, "not implemented (%lu)\n", physical);
	363	return 0;
	364	}
	365
	366	static inline uint64_t
	367	qxl_bo_physical_address(struct qxl_device qdev, struct qxl_bo bo,
	368	unsigned long offset)
	369	{
	370	int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
	371	struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
	372
	373	/* TODO - need to hold one of the locks to read tbo.offset */
	374	return slot->high_bits \| (bo->tbo.offset + offset);
	375	}
	376
	377	/* qxl_fb.c */
	378	#define QXLFB_CONN_LIMIT 1
	379
	380	int qxl_fbdev_init(struct qxl_device *qdev);
	381	void qxl_fbdev_fini(struct qxl_device *qdev);
	382	int qxl_get_handle_for_primary_fb(struct qxl_device *qdev,
	383	struct drm_file *file_priv,
	384	uint32_t *handle);
b86487a6	385	void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state);
f64122c1 DA	386
	387	/* qxl_display.c */
	388	int
	389	qxl_framebuffer_init(struct drm_device *dev,
	390	struct qxl_framebuffer *rfb,
	391	struct drm_mode_fb_cmd2 *mode_cmd,
	392	struct drm_gem_object *obj);
	393	void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
	394	void qxl_send_monitors_config(struct qxl_device *qdev);
2bd6ce84 DA	395	int qxl_create_monitors_object(struct qxl_device *qdev);
2bd6ce84 DA	396	int qxl_destroy_monitors_object(struct qxl_device *qdev);
f64122c1 DA	397
	398	/* used by qxl_debugfs only */
	399	void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev);
	400	void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count);
	401
	402	/* qxl_gem.c */
	403	int qxl_gem_init(struct qxl_device *qdev);
	404	void qxl_gem_fini(struct qxl_device *qdev);
	405	int qxl_gem_object_create(struct qxl_device *qdev, int size,
	406	int alignment, int initial_domain,
	407	bool discardable, bool kernel,
	408	struct qxl_surface *surf,
	409	struct drm_gem_object **obj);
f64122c1 DA	410	int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
	411	struct drm_file *file_priv,
	412	u32 domain,
	413	size_t size,
	414	struct qxl_surface *surf,
	415	struct qxl_bo **qobj,
	416	uint32_t *handle);
f64122c1 DA	417	void qxl_gem_object_free(struct drm_gem_object *gobj);
	418	int qxl_gem_object_open(struct drm_gem_object obj, struct drm_file file_priv);
	419	void qxl_gem_object_close(struct drm_gem_object *obj,
	420	struct drm_file *file_priv);
	421	void qxl_bo_force_delete(struct qxl_device *qdev);
	422	int qxl_bo_kmap(struct qxl_bo bo, void *ptr);
	423
	424	/* qxl_dumb.c */
	425	int qxl_mode_dumb_create(struct drm_file *file_priv,
	426	struct drm_device *dev,
	427	struct drm_mode_create_dumb *args);
f64122c1 DA	428	int qxl_mode_dumb_mmap(struct drm_file *filp,
	429	struct drm_device *dev,
	430	uint32_t handle, uint64_t *offset_p);
	431
	432
	433	/* qxl ttm */
	434	int qxl_ttm_init(struct qxl_device *qdev);
	435	void qxl_ttm_fini(struct qxl_device *qdev);
	436	int qxl_mmap(struct file filp, struct vm_area_struct vma);
	437
	438	/* qxl image */
	439
8002db63 DA	440	int qxl_image_init(struct qxl_device *qdev,
	441	struct qxl_release *release,
	442	struct qxl_drm_image *dimage,
	443	const uint8_t *data,
	444	int x, int y, int width, int height,
	445	int depth, int stride);
	446	int
	447	qxl_image_alloc_objects(struct qxl_device *qdev,
	448	struct qxl_release *release,
	449	struct qxl_drm_image **image_ptr,
	450	int height, int stride);
	451	void qxl_image_free_objects(struct qxl_device qdev, struct qxl_drm_image dimage);
	452
f64122c1 DA	453	void qxl_update_screen(struct qxl_device *qxl);
	454
	455	/* qxl io operations (qxl_cmd.c) */
	456
	457	void qxl_io_create_primary(struct qxl_device *qdev,
07f8d9bd	458	unsigned offset,
f64122c1 DA	459	struct qxl_bo *bo);
	460	void qxl_io_destroy_primary(struct qxl_device *qdev);
	461	void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
	462	void qxl_io_notify_oom(struct qxl_device *qdev);
	463
	464	int qxl_io_update_area(struct qxl_device qdev, struct qxl_bo surf,
	465	const struct qxl_rect *area);
	466
	467	void qxl_io_reset(struct qxl_device *qdev);
	468	void qxl_io_monitors_config(struct qxl_device *qdev);
	469	int qxl_ring_push(struct qxl_ring ring, const void new_elt, bool interruptible);
	470	void qxl_io_flush_release(struct qxl_device *qdev);
	471	void qxl_io_flush_surfaces(struct qxl_device *qdev);
	472
f64122c1 DA	473	union qxl_release_info qxl_release_map(struct qxl_device qdev,
	474	struct qxl_release *release);
	475	void qxl_release_unmap(struct qxl_device *qdev,
	476	struct qxl_release *release,
	477	union qxl_release_info *info);
8002db63 DA	478	int qxl_release_list_add(struct qxl_release release, struct qxl_bo bo);
	479	int qxl_release_reserve_list(struct qxl_release *release, bool no_intr);
	480	void qxl_release_backoff_reserve_list(struct qxl_release *release);
	481	void qxl_release_fence_buffer_objects(struct qxl_release *release);
f64122c1 DA	482
	483	int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
	484	enum qxl_surface_cmd_type surface_cmd_type,
	485	struct qxl_release *create_rel,
	486	struct qxl_release **release);
	487	int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
	488	int type, struct qxl_release **release,
	489	struct qxl_bo **rbo);
8002db63	490
f64122c1 DA	491	int
	492	qxl_push_command_ring_release(struct qxl_device qdev, struct qxl_release release,
	493	uint32_t type, bool interruptible);
	494	int
	495	qxl_push_cursor_ring_release(struct qxl_device qdev, struct qxl_release release,
	496	uint32_t type, bool interruptible);
8002db63 DA	497	int qxl_alloc_bo_reserved(struct qxl_device *qdev,
	498	struct qxl_release *release,
	499	unsigned long size,
f64122c1 DA	500	struct qxl_bo **_bo);
	501	/* qxl drawing commands */
	502
	503	void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
	504	int stride /* filled in if 0 */);
	505
	506	void qxl_draw_dirty_fb(struct qxl_device *qdev,
	507	struct qxl_framebuffer *qxl_fb,
	508	struct qxl_bo *bo,
	509	unsigned flags, unsigned color,
	510	struct drm_clip_rect *clips,
	511	unsigned num_clips, int inc);
	512
	513	void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec);
	514
	515	void qxl_draw_copyarea(struct qxl_device *qdev,
	516	u32 width, u32 height,
	517	u32 sx, u32 sy,
	518	u32 dx, u32 dy);
	519
f64122c1 DA	520	void qxl_release_free(struct qxl_device *qdev,
f64122c1 DA	521	struct qxl_release *release);
8002db63	522
f64122c1 DA	523	/* used by qxl_debugfs_release */
	524	struct qxl_release qxl_release_from_id_locked(struct qxl_device qdev,
	525	uint64_t id);
	526
	527	bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
	528	int qxl_garbage_collect(struct qxl_device *qdev);
	529
	530	/* debugfs */
	531
	532	int qxl_debugfs_init(struct drm_minor *minor);
	533	void qxl_debugfs_takedown(struct drm_minor *minor);
	534
47c12968 AP	535	/* qxl_prime.c */
	536	int qxl_gem_prime_pin(struct drm_gem_object *obj);
	537	void qxl_gem_prime_unpin(struct drm_gem_object *obj);
	538	struct sg_table qxl_gem_prime_get_sg_table(struct drm_gem_object obj);
	539	struct drm_gem_object *qxl_gem_prime_import_sg_table(
	540	struct drm_device *dev, size_t size,
	541	struct sg_table *sgt);
	542	void qxl_gem_prime_vmap(struct drm_gem_object obj);
	543	void qxl_gem_prime_vunmap(struct drm_gem_object obj, void vaddr);
	544	int qxl_gem_prime_mmap(struct drm_gem_object *obj,
	545	struct vm_area_struct *vma);
	546
f64122c1 DA	547	/* qxl_irq.c */
f64122c1 DA	548	int qxl_irq_init(struct qxl_device *qdev);
e9f0d76f	549	irqreturn_t qxl_irq_handler(int irq, void *arg);
f64122c1 DA	550
	551	/* qxl_fb.c */
	552	int qxl_fb_init(struct qxl_device *qdev);
b86487a6	553	bool qxl_fbdev_qobj_is_fb(struct qxl_device qdev, struct qxl_bo qobj);
f64122c1 DA	554
	555	int qxl_debugfs_add_files(struct qxl_device *qdev,
	556	struct drm_info_list *files,
	557	unsigned nfiles);
	558
	559	int qxl_surface_id_alloc(struct qxl_device *qdev,
	560	struct qxl_bo *surf);
	561	void qxl_surface_id_dealloc(struct qxl_device *qdev,
	562	uint32_t surface_id);
	563	int qxl_hw_surface_alloc(struct qxl_device *qdev,
	564	struct qxl_bo *surf,
	565	struct ttm_mem_reg *mem);
	566	int qxl_hw_surface_dealloc(struct qxl_device *qdev,
	567	struct qxl_bo *surf);
	568
	569	int qxl_bo_check_id(struct qxl_device qdev, struct qxl_bo bo);
	570
	571	struct qxl_drv_surface *
	572	qxl_surface_lookup(struct drm_device *dev, int surface_id);
	573	void qxl_surface_evict(struct qxl_device qdev, struct qxl_bo surf, bool freeing);
	574	int qxl_update_surface(struct qxl_device qdev, struct qxl_bo surf);
	575
f64122c1	576	#endif