--- /dev/null
+/*
+ * 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, 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);
+
+/* 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
Code Review / kvmfornfv.git / blobdiff