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linux_dsm_epyc7002/drivers/gpu/drm/qxl/qxl_drv.h
Christian König 51ea742c87 drm/qxl: stop using TTM to call driver internal functions 
The ttm_mem_io_* functions were intended to be internal to TTM and
shouldn't have been used in a driver. They were exported in commit
afe6804c04 just for QXL.

Instead call the qxl_ttm_io_mem_reserve() function directly and
completely drop the free call since that is a dummy on QXL.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/333289/
2019-10-25 11:40:51 +02:00

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/*
* 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/dma-fence.h>
#include <linux/firmware.h>
#include <linux/platform_device.h>
#include <linux/workqueue.h>
#include <drm/drm_crtc.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_ttm_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_gem.h>
#include <drm/qxl_drm.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_execbuf_util.h>
#include <drm/ttm/ttm_module.h>
#include <drm/ttm/ttm_placement.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_num_crtc;
extern int qxl_max_ioctls;
#define QXL_INTERRUPT_MASK (\
QXL_INTERRUPT_DISPLAY |\
QXL_INTERRUPT_CURSOR |\
QXL_INTERRUPT_IO_CMD |\
QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
struct qxl_bo {
struct ttm_buffer_object tbo;
/* Protected by gem.mutex */
struct list_head list;
/* Protected by tbo.reserved */
struct ttm_place placements[3];
struct ttm_placement placement;
struct ttm_bo_kmap_obj kmap;
unsigned int pin_count;
void *kptr;
unsigned int map_count;
int type;
/* Constant after initialization */
unsigned int is_primary:1; /* is this now a primary surface */
unsigned int is_dumb:1;
struct qxl_bo *shadow;
unsigned int hw_surf_alloc:1;
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, tbo.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;
struct qxl_bo *cursor_bo;
};
struct qxl_output {
int index;
struct drm_connector base;
struct drm_encoder enc;
};
#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)
struct qxl_mman {
struct ttm_bo_device bdev;
};
struct qxl_memslot {
int index;
const char *name;
uint8_t generation;
uint64_t start_phys_addr;
uint64_t size;
uint64_t high_bits;
uint64_t gpu_offset;
};
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 dma_fence base;
int id;
int type;
struct qxl_bo *release_bo;
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 int num_files;
};
int qxl_debugfs_add_files(struct qxl_device *rdev,
struct drm_info_list *files,
unsigned int nfiles);
int qxl_debugfs_fence_init(struct qxl_device *rdev);
struct qxl_device;
struct qxl_device {
struct drm_device ddev;
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;
void *ram_physical;
struct qxl_ring *release_ring;
struct qxl_ring *command_ring;
struct qxl_ring *cursor_ring;
struct qxl_ram_header *ram_header;
struct qxl_bo *primary_bo;
struct qxl_bo *dumb_shadow_bo;
struct qxl_head *dumb_heads;
struct qxl_memslot main_slot;
struct qxl_memslot surfaces_slot;
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 int 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 int 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 work_struct gc_work;
struct drm_property *hotplug_mode_update_property;
int monitors_config_width;
int monitors_config_height;
};
extern const struct drm_ioctl_desc qxl_ioctls[];
extern int qxl_max_ioctl;
int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
struct pci_dev *pdev);
void qxl_device_fini(struct qxl_device *qdev);
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 uint64_t
qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
unsigned long offset)
{
struct qxl_memslot *slot =
(bo->tbo.mem.mem_type == TTM_PL_VRAM)
? &qdev->main_slot : &qdev->surfaces_slot;
WARN_ON_ONCE((bo->tbo.offset & slot->gpu_offset) != slot->gpu_offset);
/* TODO - need to hold one of the locks to read tbo.offset */
return slot->high_bits | (bo->tbo.offset - slot->gpu_offset + offset);
}
/* qxl_display.c */
void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
int qxl_create_monitors_object(struct qxl_device *qdev);
int qxl_destroy_monitors_object(struct qxl_device *qdev);
/* qxl_gem.c */
void 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_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem);
/* 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,
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_dirty_fb(struct qxl_device *qdev,
struct drm_framebuffer *fb,
struct qxl_bo *bo,
unsigned int flags, unsigned int color,
struct drm_clip_rect *clips,
unsigned int num_clips, int inc,
uint32_t dumb_shadow_offset);
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);
int qxl_ttm_debugfs_init(struct qxl_device *qdev);
/* 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, struct dma_buf_attachment *attach,
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);
int qxl_debugfs_add_files(struct qxl_device *qdev,
struct drm_info_list *files,
unsigned int 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);
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);
#endif
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