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-rw-r--r--include/drm/drmP.h254
1 files changed, 82 insertions, 172 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 12083dc862a9..290734191f72 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -45,7 +45,6 @@
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
-#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/platform_device.h>
@@ -62,20 +61,18 @@
#endif
#include <asm/mman.h>
#include <asm/uaccess.h>
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
#include <linux/types.h>
#include <linux/agp_backend.h>
-#endif
#include <linux/workqueue.h>
#include <linux/poll.h>
#include <asm/pgalloc.h>
#include <drm/drm.h>
#include <drm/drm_sarea.h>
+#include <drm/drm_vma_manager.h>
#include <linux/idr.h>
#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
-#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
struct module;
@@ -140,19 +137,15 @@ int drm_err(const char *func, const char *format, ...);
/* driver capabilities and requirements mask */
#define DRIVER_USE_AGP 0x1
#define DRIVER_REQUIRE_AGP 0x2
-#define DRIVER_USE_MTRR 0x4
#define DRIVER_PCI_DMA 0x8
#define DRIVER_SG 0x10
#define DRIVER_HAVE_DMA 0x20
#define DRIVER_HAVE_IRQ 0x40
#define DRIVER_IRQ_SHARED 0x80
-#define DRIVER_IRQ_VBL 0x100
-#define DRIVER_DMA_QUEUE 0x200
-#define DRIVER_FB_DMA 0x400
-#define DRIVER_IRQ_VBL2 0x800
#define DRIVER_GEM 0x1000
#define DRIVER_MODESET 0x2000
#define DRIVER_PRIME 0x4000
+#define DRIVER_RENDER 0x8000
#define DRIVER_BUS_PCI 0x1
#define DRIVER_BUS_PLATFORM 0x2
@@ -168,13 +161,7 @@ int drm_err(const char *func, const char *format, ...);
#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */
#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */
#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */
-#define DRM_LOOPING_LIMIT 5000000
-#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */
-#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */
-
-#define DRM_FLAG_DEBUG 0x01
-#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
#define DRM_MAP_HASH_OFFSET 0x10000000
/*@}*/
@@ -263,9 +250,6 @@ int drm_err(const char *func, const char *format, ...);
#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x)
-#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
-#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
-
#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
/**
@@ -307,6 +291,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
#define DRM_ROOT_ONLY 0x4
#define DRM_CONTROL_ALLOW 0x8
#define DRM_UNLOCKED 0x10
+#define DRM_RENDER_ALLOW 0x20
struct drm_ioctl_desc {
unsigned int cmd;
@@ -587,7 +572,6 @@ struct drm_map_list {
struct drm_local_map *map; /**< mapping */
uint64_t user_token;
struct drm_master *master;
- struct drm_mm_node *file_offset_node; /**< fake offset */
};
/**
@@ -622,8 +606,7 @@ struct drm_ati_pcigart_info {
* GEM specific mm private for tracking GEM objects
*/
struct drm_gem_mm {
- struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */
- struct drm_open_hash offset_hash; /**< User token hash table for maps */
+ struct drm_vma_offset_manager vma_manager;
};
/**
@@ -634,8 +617,16 @@ struct drm_gem_object {
/** Reference count of this object */
struct kref refcount;
- /** Handle count of this object. Each handle also holds a reference */
- atomic_t handle_count; /* number of handles on this object */
+ /**
+ * handle_count - gem file_priv handle count of this object
+ *
+ * Each handle also holds a reference. Note that when the handle_count
+ * drops to 0 any global names (e.g. the id in the flink namespace) will
+ * be cleared.
+ *
+ * Protected by dev->object_name_lock.
+ * */
+ unsigned handle_count;
/** Related drm device */
struct drm_device *dev;
@@ -644,7 +635,7 @@ struct drm_gem_object {
struct file *filp;
/* Mapping info for this object */
- struct drm_map_list map_list;
+ struct drm_vma_offset_node vma_node;
/**
* Size of the object, in bytes. Immutable over the object's
@@ -678,10 +669,32 @@ struct drm_gem_object {
void *driver_private;
- /* dma buf exported from this GEM object */
- struct dma_buf *export_dma_buf;
+ /**
+ * dma_buf - dma buf associated with this GEM object
+ *
+ * Pointer to the dma-buf associated with this gem object (either
+ * through importing or exporting). We break the resulting reference
+ * loop when the last gem handle for this object is released.
+ *
+ * Protected by obj->object_name_lock
+ */
+ struct dma_buf *dma_buf;
- /* dma buf attachment backing this object */
+ /**
+ * import_attach - dma buf attachment backing this object
+ *
+ * Any foreign dma_buf imported as a gem object has this set to the
+ * attachment point for the device. This is invariant over the lifetime
+ * of a gem object.
+ *
+ * The driver's ->gem_free_object callback is responsible for cleaning
+ * up the dma_buf attachment and references acquired at import time.
+ *
+ * Note that the drm gem/prime core does not depend upon drivers setting
+ * this field any more. So for drivers where this doesn't make sense
+ * (e.g. virtual devices or a displaylink behind an usb bus) they can
+ * simply leave it as NULL.
+ */
struct dma_buf_attachment *import_attach;
};
@@ -737,6 +750,7 @@ struct drm_bus {
int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p);
/* hooks that are for PCI */
int (*agp_init)(struct drm_device *dev);
+ void (*agp_destroy)(struct drm_device *dev);
};
@@ -885,8 +899,6 @@ struct drm_driver {
void (*irq_preinstall) (struct drm_device *dev);
int (*irq_postinstall) (struct drm_device *dev);
void (*irq_uninstall) (struct drm_device *dev);
- void (*set_version) (struct drm_device *dev,
- struct drm_set_version *sv);
/* Master routines */
int (*master_create)(struct drm_device *dev, struct drm_master *master);
@@ -966,7 +978,7 @@ struct drm_driver {
u32 driver_features;
int dev_priv_size;
- struct drm_ioctl_desc *ioctls;
+ const struct drm_ioctl_desc *ioctls;
int num_ioctls;
const struct file_operations *fops;
union {
@@ -1037,8 +1049,6 @@ struct drm_minor {
struct device kdev; /**< Linux device */
struct drm_device *dev;
- struct proc_dir_entry *proc_root; /**< proc directory entry */
- struct drm_info_node proc_nodes;
struct dentry *debugfs_root;
struct list_head debugfs_list;
@@ -1131,12 +1141,7 @@ struct drm_device {
/*@{ */
int irq_enabled; /**< True if irq handler is enabled */
__volatile__ long context_flag; /**< Context swapping flag */
- __volatile__ long interrupt_flag; /**< Interruption handler flag */
- __volatile__ long dma_flag; /**< DMA dispatch flag */
- wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
- int last_checked; /**< Last context checked for DMA */
int last_context; /**< Last current context */
- unsigned long last_switch; /**< jiffies at last context switch */
/*@} */
struct work_struct work;
@@ -1174,12 +1179,6 @@ struct drm_device {
spinlock_t event_lock;
/*@} */
- cycles_t ctx_start;
- cycles_t lck_start;
-
- struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
- wait_queue_head_t buf_readers; /**< Processes waiting to read */
- wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
struct drm_agp_head *agp; /**< AGP data */
@@ -1207,12 +1206,13 @@ struct drm_device {
unsigned int agp_buffer_token;
struct drm_minor *control; /**< Control node for card */
struct drm_minor *primary; /**< render type primary screen head */
+ struct drm_minor *render; /**< render node for card */
struct drm_mode_config mode_config; /**< Current mode config */
/** \name GEM information */
/*@{ */
- spinlock_t object_name_lock;
+ struct mutex object_name_lock;
struct idr object_name_idr;
/*@} */
int switch_power_state;
@@ -1223,6 +1223,7 @@ struct drm_device {
#define DRM_SWITCH_POWER_ON 0
#define DRM_SWITCH_POWER_OFF 1
#define DRM_SWITCH_POWER_CHANGING 2
+#define DRM_SWITCH_POWER_DYNAMIC_OFF 3
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
@@ -1235,25 +1236,6 @@ static inline int drm_dev_to_irq(struct drm_device *dev)
return dev->driver->bus->get_irq(dev);
}
-
-#if __OS_HAS_AGP
-static inline int drm_core_has_AGP(struct drm_device *dev)
-{
- return drm_core_check_feature(dev, DRIVER_USE_AGP);
-}
-#else
-#define drm_core_has_AGP(dev) (0)
-#endif
-
-#if __OS_HAS_MTRR
-static inline int drm_core_has_MTRR(struct drm_device *dev)
-{
- return drm_core_check_feature(dev, DRIVER_USE_MTRR);
-}
-#else
-#define drm_core_has_MTRR(dev) (0)
-#endif
-
static inline void drm_device_set_unplugged(struct drm_device *dev)
{
smp_wmb();
@@ -1272,6 +1254,11 @@ static inline bool drm_modeset_is_locked(struct drm_device *dev)
return mutex_is_locked(&dev->mode_config.mutex);
}
+static inline bool drm_is_render_client(struct drm_file *file_priv)
+{
+ return file_priv->minor->type == DRM_MINOR_RENDER;
+}
+
/******************************************************************/
/** \name Internal function definitions */
/*@{*/
@@ -1287,7 +1274,6 @@ extern int drm_lastclose(struct drm_device *dev);
extern struct mutex drm_global_mutex;
extern int drm_open(struct inode *inode, struct file *filp);
extern int drm_stub_open(struct inode *inode, struct file *filp);
-extern int drm_fasync(int fd, struct file *filp, int on);
extern ssize_t drm_read(struct file *filp, char __user *buffer,
size_t count, loff_t *offset);
extern int drm_release(struct inode *inode, struct file *filp);
@@ -1301,14 +1287,6 @@ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
/* Memory management support (drm_memory.h) */
#include <drm/drm_memory.h>
-extern void drm_free_agp(DRM_AGP_MEM * handle, int pages);
-extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
-extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
- struct page **pages,
- unsigned long num_pages,
- uint32_t gtt_offset,
- uint32_t type);
-extern int drm_unbind_agp(DRM_AGP_MEM * handle);
/* Misc. IOCTL support (drm_ioctl.h) */
extern int drm_irq_by_busid(struct drm_device *dev, void *data,
@@ -1335,8 +1313,6 @@ extern int drm_resctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_addctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_modctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
extern int drm_getctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_switchctx(struct drm_device *dev, void *data,
@@ -1346,9 +1322,10 @@ extern int drm_newctx(struct drm_device *dev, void *data,
extern int drm_rmctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_ctxbitmap_init(struct drm_device *dev);
-extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
-extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
+extern void drm_legacy_ctxbitmap_init(struct drm_device *dev);
+extern void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
+extern void drm_legacy_ctxbitmap_release(struct drm_device *dev,
+ struct drm_file *file_priv);
extern int drm_setsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
@@ -1405,11 +1382,12 @@ extern int drm_freebufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_order(unsigned long size);
+extern int drm_dma_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
/* DMA support (drm_dma.h) */
-extern int drm_dma_setup(struct drm_device *dev);
-extern void drm_dma_takedown(struct drm_device *dev);
+extern int drm_legacy_dma_setup(struct drm_device *dev);
+extern void drm_legacy_dma_takedown(struct drm_device *dev);
extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf);
extern void drm_core_reclaim_buffers(struct drm_device *dev,
struct drm_file *filp);
@@ -1423,7 +1401,6 @@ extern int drm_irq_uninstall(struct drm_device *dev);
extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
extern int drm_wait_vblank(struct drm_device *dev, void *data,
struct drm_file *filp);
-extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
struct timeval *vblanktime);
@@ -1465,31 +1442,8 @@ extern int drm_modeset_ctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* AGP/GART support (drm_agpsupport.h) */
-extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);
-extern int drm_agp_acquire(struct drm_device *dev);
-extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_release(struct drm_device *dev);
-extern int drm_agp_release_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
-extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
-extern int drm_agp_info_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
-extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
-extern int drm_agp_free_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
-extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
-extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
+
+#include <drm/drm_agpsupport.h>
/* Stub support (drm_stub.h) */
extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
@@ -1504,23 +1458,19 @@ extern void drm_put_dev(struct drm_device *dev);
extern int drm_put_minor(struct drm_minor **minor);
extern void drm_unplug_dev(struct drm_device *dev);
extern unsigned int drm_debug;
+extern unsigned int drm_rnodes;
extern unsigned int drm_vblank_offdelay;
extern unsigned int drm_timestamp_precision;
extern unsigned int drm_timestamp_monotonic;
extern struct class *drm_class;
-extern struct proc_dir_entry *drm_proc_root;
extern struct dentry *drm_debugfs_root;
extern struct idr drm_minors_idr;
extern struct drm_local_map *drm_getsarea(struct drm_device *dev);
- /* Proc support (drm_proc.h) */
-extern int drm_proc_init(struct drm_minor *minor, struct proc_dir_entry *root);
-extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root);
-
/* Debugfs support */
#if defined(CONFIG_DEBUG_FS)
extern int drm_debugfs_init(struct drm_minor *minor, int minor_id,
@@ -1550,6 +1500,7 @@ extern struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf);
extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
+extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
@@ -1561,25 +1512,22 @@ extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **
extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages);
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
+int drm_gem_dumb_destroy(struct drm_file *file,
+ struct drm_device *dev,
+ uint32_t handle);
void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
-void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
-
-int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
-int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
- struct drm_gem_object **obj);
+void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
#if DRM_DEBUG_CODE
extern int drm_vma_info(struct seq_file *m, void *data);
#endif
/* Scatter Gather Support (drm_scatter.h) */
-extern void drm_sg_cleanup(struct drm_sg_mem * entry);
-extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
+extern void drm_legacy_sg_cleanup(struct drm_device *dev);
+extern int drm_sg_alloc(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
extern int drm_sg_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
@@ -1613,9 +1561,8 @@ struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
size_t size);
int drm_gem_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
-int drm_gem_private_object_init(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size);
-void drm_gem_object_handle_free(struct drm_gem_object *obj);
+void drm_gem_private_object_init(struct drm_device *dev,
+ struct drm_gem_object *obj, size_t size);
void drm_gem_vm_open(struct vm_area_struct *vma);
void drm_gem_vm_close(struct vm_area_struct *vma);
int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
@@ -1640,66 +1587,32 @@ drm_gem_object_unreference(struct drm_gem_object *obj)
static inline void
drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
{
- if (obj != NULL) {
+ if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) {
struct drm_device *dev = obj->dev;
+
mutex_lock(&dev->struct_mutex);
- kref_put(&obj->refcount, drm_gem_object_free);
+ if (likely(atomic_dec_and_test(&obj->refcount.refcount)))
+ drm_gem_object_free(&obj->refcount);
mutex_unlock(&dev->struct_mutex);
}
}
+int drm_gem_handle_create_tail(struct drm_file *file_priv,
+ struct drm_gem_object *obj,
+ u32 *handlep);
int drm_gem_handle_create(struct drm_file *file_priv,
struct drm_gem_object *obj,
u32 *handlep);
int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
-static inline void
-drm_gem_object_handle_reference(struct drm_gem_object *obj)
-{
- drm_gem_object_reference(obj);
- atomic_inc(&obj->handle_count);
-}
-
-static inline void
-drm_gem_object_handle_unreference(struct drm_gem_object *obj)
-{
- if (obj == NULL)
- return;
-
- if (atomic_read(&obj->handle_count) == 0)
- return;
- /*
- * Must bump handle count first as this may be the last
- * ref, in which case the object would disappear before we
- * checked for a name
- */
- if (atomic_dec_and_test(&obj->handle_count))
- drm_gem_object_handle_free(obj);
- drm_gem_object_unreference(obj);
-}
-
-static inline void
-drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
-{
- if (obj == NULL)
- return;
-
- if (atomic_read(&obj->handle_count) == 0)
- return;
-
- /*
- * Must bump handle count first as this may be the last
- * ref, in which case the object would disappear before we
- * checked for a name
- */
-
- if (atomic_dec_and_test(&obj->handle_count))
- drm_gem_object_handle_free(obj);
- drm_gem_object_unreference_unlocked(obj);
-}
void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
+int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size);
+
+struct page **drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
+void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
+ bool dirty, bool accessed);
struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
struct drm_file *filp,
@@ -1769,9 +1682,6 @@ extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
extern void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device);
-extern int drm_get_platform_dev(struct platform_device *pdev,
- struct drm_driver *driver);
-
/* returns true if currently okay to sleep */
static __inline__ bool drm_can_sleep(void)
{