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-rw-r--r--include/drm/drm.h3
-rw-r--r--include/drm/drmP.h64
-rw-r--r--include/drm/drm_sarea.h6
3 files changed, 54 insertions, 19 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h
index f46ba4b57da4..3fb173c5af3e 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -634,6 +634,9 @@ struct drm_gem_open {
#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)
#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map)
+#define DRM_IOCTL_SET_MASTER DRM_IO(0x1e)
+#define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f)
+
#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx)
#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)
#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 08b8539e7b3c..4c6e8298b424 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -238,11 +238,11 @@ struct drm_device;
*/
#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \
do { \
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
- dev->lock.file_priv != file_priv ) { \
+ if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \
+ file_priv->master->lock.file_priv != file_priv) { \
DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
- __func__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
- dev->lock.file_priv, file_priv ); \
+ __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\
+ file_priv->master->lock.file_priv, file_priv); \
return -EINVAL; \
} \
} while (0)
@@ -379,21 +379,25 @@ struct drm_buf_entry {
/** File private data */
struct drm_file {
int authenticated;
- int master;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
struct list_head lhead;
struct drm_minor *minor;
- int remove_auth_on_close;
unsigned long lock_count;
+
/** Mapping of mm object handles to object pointers. */
struct idr object_idr;
/** Lock for synchronization of access to object_idr. */
spinlock_t table_lock;
+
struct file *filp;
void *driver_priv;
+
+ int is_master; /* this file private is a master for a minor */
+ struct drm_master *master; /* master this node is currently associated with
+ N.B. not always minor->master */
};
/** Wait queue */
@@ -523,6 +527,7 @@ struct drm_map_list {
struct drm_hash_item hash;
struct drm_map *map; /**< mapping */
uint64_t user_token;
+ struct drm_master *master;
};
typedef struct drm_map drm_local_map_t;
@@ -612,6 +617,30 @@ struct drm_gem_object {
void *driver_private;
};
+/* per-master structure */
+struct drm_master {
+
+ struct kref refcount; /* refcount for this master */
+
+ struct list_head head; /**< each minor contains a list of masters */
+ struct drm_minor *minor; /**< link back to minor we are a master for */
+
+ char *unique; /**< Unique identifier: e.g., busid */
+ int unique_len; /**< Length of unique field */
+
+ int blocked; /**< Blocked due to VC switch? */
+
+ /** \name Authentication */
+ /*@{ */
+ struct drm_open_hash magiclist;
+ struct list_head magicfree;
+ /*@} */
+
+ struct drm_lock_data lock; /**< Information on hardware lock */
+
+ void *driver_priv; /**< Private structure for driver to use */
+};
+
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
@@ -712,6 +741,10 @@ struct drm_driver {
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);
+ void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
+
int (*proc_init)(struct drm_minor *minor);
void (*proc_cleanup)(struct drm_minor *minor);
@@ -754,6 +787,8 @@ struct drm_minor {
struct device kdev; /**< Linux device */
struct drm_device *dev;
struct proc_dir_entry *dev_root; /**< proc directory entry */
+ struct drm_master *master; /* currently active master for this node */
+ struct list_head master_list;
};
/**
@@ -762,13 +797,9 @@ struct drm_minor {
*/
struct drm_device {
struct list_head driver_item; /**< list of devices per driver */
- char *unique; /**< Unique identifier: e.g., busid */
- int unique_len; /**< Length of unique field */
char *devname; /**< For /proc/interrupts */
int if_version; /**< Highest interface version set */
- int blocked; /**< Blocked due to VC switch? */
-
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
@@ -791,12 +822,7 @@ struct drm_device {
atomic_t counts[15];
/*@} */
- /** \name Authentication */
- /*@{ */
struct list_head filelist;
- struct drm_open_hash magiclist; /**< magic hash table */
- struct list_head magicfree;
- /*@} */
/** \name Memory management */
/*@{ */
@@ -813,7 +839,6 @@ struct drm_device {
struct idr ctx_idr;
struct list_head vmalist; /**< List of vmas (for debugging) */
- struct drm_lock_data lock; /**< Information on hardware lock */
/*@} */
/** \name DMA queues (contexts) */
@@ -1192,6 +1217,13 @@ extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
+extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+struct drm_master *drm_master_create(struct drm_minor *minor);
+extern struct drm_master *drm_master_get(struct drm_master *master);
+extern void drm_master_put(struct drm_master **master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_put_dev(struct drm_device *dev);
diff --git a/include/drm/drm_sarea.h b/include/drm/drm_sarea.h
index 480037331e4e..ee5389d22c64 100644
--- a/include/drm/drm_sarea.h
+++ b/include/drm/drm_sarea.h
@@ -36,12 +36,12 @@
/* SAREA area needs to be at least a page */
#if defined(__alpha__)
-#define SAREA_MAX 0x2000
+#define SAREA_MAX 0x2000U
#elif defined(__ia64__)
-#define SAREA_MAX 0x10000 /* 64kB */
+#define SAREA_MAX 0x10000U /* 64kB */
#else
/* Intel 830M driver needs at least 8k SAREA */
-#define SAREA_MAX 0x2000
+#define SAREA_MAX 0x2000U
#endif
/** Maximum number of drawables in the SAREA */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 02:52:41 +0000