diff options
Diffstat (limited to 'bsd-core')
| -rw-r--r-- | bsd-core/drmP.h | 40 | ||||
| -rw-r--r-- | bsd-core/drm_bufs.c | 8 | ||||
| -rw-r--r-- | bsd-core/drm_dma.c | 9 | ||||
| -rw-r--r-- | bsd-core/drm_drv.c | 56 | ||||
| -rw-r--r-- | bsd-core/drm_irq.c | 2 | ||||
| -rw-r--r-- | bsd-core/drm_lock.c | 6 |
6 files changed, 53 insertions, 68 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index e9271ff7..84baf5f0 100644 --- a/bsd-core/drmP.h +++ b/bsd-core/drmP.h @@ -217,10 +217,6 @@ MALLOC_DECLARE(M_DRM); #define spldrm() spltty() #endif /* __NetBSD__ || __OpenBSD__ */ -/* Currently our DRMFILE (filp) is a void * which is actually the pid - * of the current process. It should be a per-open unique pointer, but - * code for that is not yet written */ -#define DRMFILE void * #define DRM_IRQ_ARGS void *arg typedef void irqreturn_t; #define IRQ_HANDLED /* nothing */ @@ -237,7 +233,8 @@ enum { #define DRM_DEVICE \ drm_device_t *dev = kdev->si_drv1 #define DRM_IOCTL_ARGS struct cdev *kdev, u_long cmd, caddr_t data, \ - int flags, DRM_STRUCTPROC *p, DRMFILE filp + int flags, DRM_STRUCTPROC *p, \ + struct drm_file *file_priv #define PAGE_ALIGN(addr) round_page(addr) /* DRM_SUSER returns true if the user is superuser */ @@ -260,8 +257,9 @@ enum { drm_device_t *dev = (device_lookup(&drm_cd, \ minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)] #endif /* __OpenBSD__ */ -#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \ - int flags, DRM_STRUCTPROC *p, DRMFILE filp +#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \ + int flags, DRM_STRUCTPROC *p, \ + struct drm_file *file_priv #define CDEV_MAJOR 34 #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) @@ -385,23 +383,10 @@ typedef vaddr_t vm_offset_t; (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) -#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \ -do { \ - if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \ - DRM_ERROR("filp doesn't match curproc\n"); \ - return EINVAL; \ - } \ - _priv = drm_find_file_by_proc(dev, DRM_CURPROC); \ - if (_priv == NULL) { \ - DRM_ERROR("can't find authenticator\n"); \ - return EINVAL; \ - } \ -} while (0) - -#define LOCK_TEST_WITH_RETURN(dev, filp) \ +#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ do { \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ - dev->lock.filp != filp) { \ + dev->lock.file_priv != file_priv) { \ DRM_ERROR("%s called without lock held\n", \ __FUNCTION__); \ return EINVAL; \ @@ -479,7 +464,7 @@ typedef struct drm_buf { unsigned long bus_address; /* Bus address of buffer */ struct drm_buf *next; /* Kernel-only: used for free list */ __volatile__ int pending; /* On hardware DMA queue */ - DRMFILE filp; /* Unique identifier of holding process */ + struct drm_file *file_priv; /* Unique identifier of holding process */ int context; /* Kernel queue for this buffer */ enum { DRM_LIST_NONE = 0, @@ -541,7 +526,7 @@ struct drm_file { typedef struct drm_lock_data { drm_hw_lock_t *hw_lock; /* Hardware lock */ - DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/ + struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ int lock_queue; /* Queue of blocked processes */ unsigned long lock_time; /* Time of last lock in jiffies */ } drm_lock_data_t; @@ -645,11 +630,12 @@ struct drm_driver_info { int (*load)(struct drm_device *, unsigned long flags); int (*firstopen)(struct drm_device *); int (*open)(struct drm_device *, drm_file_t *); - void (*preclose)(struct drm_device *, void *filp); + void (*preclose)(struct drm_device *, struct drm_file *file_priv); void (*postclose)(struct drm_device *, drm_file_t *); void (*lastclose)(struct drm_device *); int (*unload)(struct drm_device *); - void (*reclaim_buffers_locked)(struct drm_device *, void *filp); + void (*reclaim_buffers_locked)(struct drm_device *, + struct drm_file *file_priv); int (*dma_ioctl)(DRM_IOCTL_ARGS); void (*dma_ready)(struct drm_device *); int (*dma_quiescent)(struct drm_device *); @@ -900,7 +886,7 @@ int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request); int drm_dma_setup(drm_device_t *dev); void drm_dma_takedown(drm_device_t *dev); void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); -void drm_reclaim_buffers(drm_device_t *dev, DRMFILE filp); +void drm_reclaim_buffers(drm_device_t *dev, struct drm_file *file_priv); #define drm_core_reclaim_buffers drm_reclaim_buffers /* IRQ support (drm_irq.c) */ diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c index de28a2cf..bc019741 100644 --- a/bsd-core/drm_bufs.c +++ b/bsd-core/drm_bufs.c @@ -469,7 +469,7 @@ static int drm_do_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request) buf->address = (void *)(agp_offset + offset); buf->next = NULL; buf->pending = 0; - buf->filp = NULL; + buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, @@ -610,7 +610,7 @@ static int drm_do_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request) buf->bus_address = dmah->busaddr + offset; buf->next = NULL; buf->pending = 0; - buf->filp = NULL; + buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, @@ -724,7 +724,7 @@ static int drm_do_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request) buf->address = (void *)(agp_offset + offset + dev->sg->handle); buf->next = NULL; buf->pending = 0; - buf->filp = NULL; + buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, @@ -1008,7 +1008,7 @@ int drm_freebufs(DRM_IOCTL_ARGS) break; } buf = dma->buflist[idx]; - if ( buf->filp != filp ) { + if ( buf->file_priv != file_priv ) { DRM_ERROR("Process %d freeing buffer not owned\n", DRM_CURRENTPID); retcode = EINVAL; diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c index 90678dfc..fc219039 100644 --- a/bsd-core/drm_dma.c +++ b/bsd-core/drm_dma.c @@ -89,18 +89,18 @@ void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) if (!buf) return; buf->pending = 0; - buf->filp = NULL; + buf->file_priv= NULL; buf->used = 0; } -void drm_reclaim_buffers(drm_device_t *dev, DRMFILE filp) +void drm_reclaim_buffers(drm_device_t *dev, struct drm_file *file_priv) { drm_device_dma_t *dma = dev->dma; int i; if (!dma) return; for (i = 0; i < dma->buf_count; i++) { - if (dma->buflist[i]->filp == filp) { + if (dma->buflist[i]->file_priv == file_priv) { switch (dma->buflist[i]->list) { case DRM_LIST_NONE: drm_free_buffer(dev, dma->buflist[i]); @@ -122,7 +122,8 @@ int drm_dma(DRM_IOCTL_ARGS) DRM_DEVICE; if (dev->driver.dma_ioctl) { - return -dev->driver.dma_ioctl(kdev, cmd, data, flags, p, filp); + return -dev->driver.dma_ioctl(kdev, cmd, data, flags, p, + file_priv); } else { DRM_DEBUG("DMA ioctl on driver with no dma handler\n"); return EINVAL; diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c index fa2958b9..0b33ba34 100644 --- a/bsd-core/drm_drv.c +++ b/bsd-core/drm_drv.c @@ -499,7 +499,7 @@ static int drm_lastclose(drm_device_t *dev) drm_dma_takedown(dev); if ( dev->lock.hw_lock ) { dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.filp = NULL; + dev->lock.file_priv = NULL; DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); } @@ -704,24 +704,23 @@ int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) { - drm_file_t *priv; + drm_file_t *file_priv; DRM_DEVICE; int retcode = 0; - DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID); - + DRM_DEBUG( "open_count = %d\n", dev->open_count ); DRM_LOCK(); - priv = drm_find_file_by_proc(dev, p); - if (!priv) { + file_priv = drm_find_file_by_proc(dev, p); + if (!file_priv) { DRM_UNLOCK(); DRM_ERROR("can't find authenticator\n"); return EINVAL; } if (dev->driver.preclose != NULL) - dev->driver.preclose(dev, filp); + dev->driver.preclose(dev, file_priv); /* ======================================================== * Begin inline drm_release @@ -736,12 +735,12 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) #endif if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.filp == filp) { + && dev->lock.file_priv == file_priv) { DRM_DEBUG("Process %d dead, freeing lock for context %d\n", DRM_CURRENTPID, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); if (dev->driver.reclaim_buffers_locked != NULL) - dev->driver.reclaim_buffers_locked(dev, filp); + dev->driver.reclaim_buffers_locked(dev, file_priv); drm_lock_free(dev, &dev->lock.hw_lock->lock, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); @@ -761,7 +760,7 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) } if (drm_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { - dev->lock.filp = filp; + dev->lock.file_priv = file_priv; dev->lock.lock_time = jiffies; atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); break; /* Got lock */ @@ -778,14 +777,14 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) break; } if (retcode == 0) { - dev->driver.reclaim_buffers_locked(dev, filp); + dev->driver.reclaim_buffers_locked(dev, file_priv); drm_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); } } if (dev->driver.use_dma && !dev->driver.reclaim_buffers_locked) - drm_reclaim_buffers(dev, filp); + drm_reclaim_buffers(dev, file_priv); #if defined (__FreeBSD__) && (__FreeBSD_version >= 500000) funsetown(&dev->buf_sigio); @@ -795,11 +794,11 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) dev->buf_pgid = 0; #endif /* __NetBSD__ || __OpenBSD__ */ - if (--priv->refs == 0) { + if (--file_priv->refs == 0) { if (dev->driver.postclose != NULL) - dev->driver.postclose(dev, priv); - TAILQ_REMOVE(&dev->files, priv, link); - free(priv, M_DRM); + dev->driver.postclose(dev, file_priv); + TAILQ_REMOVE(&dev->files, file_priv, link); + free(file_priv, M_DRM); } /* ======================================================== @@ -830,26 +829,27 @@ int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, int (*func)(DRM_IOCTL_ARGS); int nr = DRM_IOCTL_NR(cmd); int is_driver_ioctl = 0; - drm_file_t *priv; - DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID; + drm_file_t *file_priv; DRM_LOCK(); - priv = drm_find_file_by_proc(dev, p); + file_priv = drm_find_file_by_proc(dev, p); DRM_UNLOCK(); - if (priv == NULL) { + if (file_priv == NULL) { DRM_ERROR("can't find authenticator\n"); return EINVAL; } atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); - ++priv->ioctl_count; + ++file_priv->ioctl_count; #ifdef __FreeBSD__ DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", - DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated ); + DRM_CURRENTPID, cmd, nr, (long)dev->device, + file_priv->authenticated ); #elif defined(__NetBSD__) || defined(__OpenBSD__) DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", - DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated ); + DRM_CURRENTPID, cmd, nr, (long)&dev->device, + file_priv->authenticated ); #endif switch (cmd) { @@ -904,17 +904,15 @@ int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, DRM_DEBUG( "no function\n" ); return EINVAL; } - /* ioctl->master check should be against something in the filp set up - * for the first opener, but it doesn't matter yet. - */ + if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || - ((ioctl->flags & DRM_AUTH) && !priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !priv->master)) + ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || + ((ioctl->flags & DRM_MASTER) && !file_priv->master)) return EACCES; if (is_driver_ioctl) DRM_LOCK(); - retcode = func(kdev, cmd, data, flags, p, filp); + retcode = func(kdev, cmd, data, flags, p, file_priv); if (is_driver_ioctl) { DRM_UNLOCK(); /* Driver ioctls in shared code follow the linux convention of diff --git a/bsd-core/drm_irq.c b/bsd-core/drm_irq.c index 215eb0c9..95c84ab5 100644 --- a/bsd-core/drm_irq.c +++ b/bsd-core/drm_irq.c @@ -306,7 +306,7 @@ static void drm_locked_task(void *context, int pending __unused) if (drm_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { - dev->lock.filp = (void *)(uintptr_t)DRM_CURRENTPID; + dev->lock.file_priv = NULL; /* kernel owned */ dev->lock.lock_time = jiffies; atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); break; /* Got lock */ diff --git a/bsd-core/drm_lock.c b/bsd-core/drm_lock.c index d0e61d3a..54b64806 100644 --- a/bsd-core/drm_lock.c +++ b/bsd-core/drm_lock.c @@ -66,7 +66,7 @@ int drm_lock_transfer(drm_device_t *dev, { unsigned int old, new; - dev->lock.filp = NULL; + dev->lock.file_priv = NULL; do { old = *lock; new = context | _DRM_LOCK_HELD; @@ -80,7 +80,7 @@ int drm_lock_free(drm_device_t *dev, { unsigned int old, new; - dev->lock.filp = NULL; + dev->lock.file_priv = NULL; do { old = *lock; new = 0; @@ -118,7 +118,7 @@ int drm_lock(DRM_IOCTL_ARGS) DRM_LOCK(); for (;;) { if (drm_lock_take(&dev->lock.hw_lock->lock, lock.context)) { - dev->lock.filp = (void *)(uintptr_t)DRM_CURRENTPID; + dev->lock.file_priv = file_priv; dev->lock.lock_time = jiffies; atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); break; /* Got lock */ |