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Diffstat (limited to 'sys/dev/drm/drm_fops.h')
-rw-r--r--sys/dev/drm/drm_fops.h202
1 files changed, 42 insertions, 160 deletions
diff --git a/sys/dev/drm/drm_fops.h b/sys/dev/drm/drm_fops.h
index 081027d..136f4d6 100644
--- a/sys/dev/drm/drm_fops.h
+++ b/sys/dev/drm/drm_fops.h
@@ -32,18 +32,9 @@
* $FreeBSD$
*/
-#define __NO_VERSION__
#include "dev/drm/drmP.h"
-#ifdef __linux__
-#include <linux/poll.h>
-#endif /* __linux__ */
-
-#ifdef __FreeBSD__
-#include <sys/signalvar.h>
-#include <sys/poll.h>
-
-drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_OS_STRUCTPROC *p)
+drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_STRUCTPROC *p)
{
#if __FreeBSD_version >= 500021
uid_t uid = p->td_proc->p_ucred->cr_svuid;
@@ -59,64 +50,24 @@ drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_OS_STRUCTPROC *p)
return priv;
return NULL;
}
-#endif /* __FreeBSD__ */
/* DRM(open) is called whenever a process opens /dev/drm. */
-#ifdef __linux__
-int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev)
-{
- kdev_t m = MINOR(inode->i_rdev);
-#endif /* __linux__ */
-#ifdef __FreeBSD__
-int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p,
+int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p,
drm_device_t *dev)
{
int m = minor(kdev);
-#endif /* __FreeBSD__ */
drm_file_t *priv;
-#ifdef __linux__
- if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */
-#endif /* __linux__ */
-#ifdef __FreeBSD__
if (flags & O_EXCL)
return EBUSY; /* No exclusive opens */
dev->flags = flags;
-#endif /* __FreeBSD__ */
if (!DRM(cpu_valid)())
- return DRM_OS_ERR(EINVAL);
-
- DRM_DEBUG("pid = %d, minor = %d\n", DRM_OS_CURRENTPID, m);
+ return DRM_ERR(EINVAL);
-#ifdef __linux__
- priv = (drm_file_t *) DRM(alloc)(sizeof(*priv), DRM_MEM_FILES);
- if(!priv) return DRM_OS_ERR(ENOMEM);
+ DRM_DEBUG("pid = %d, minor = %d\n", DRM_CURRENTPID, m);
- memset(priv, 0, sizeof(*priv));
- filp->private_data = priv;
- priv->uid = current->euid;
- priv->pid = current->pid;
- priv->minor = m;
- priv->dev = dev;
- priv->ioctl_count = 0;
- priv->authenticated = capable(CAP_SYS_ADMIN);
-
- down(&dev->struct_sem);
- if (!dev->file_last) {
- priv->next = NULL;
- priv->prev = NULL;
- dev->file_first = priv;
- dev->file_last = priv;
- } else {
- priv->next = NULL;
- priv->prev = dev->file_last;
- dev->file_last->next = priv;
- dev->file_last = priv;
- }
- up(&dev->struct_sem);
-#endif /* __linux__ */
-#ifdef __FreeBSD__
+ /* FIXME: linux mallocs and bzeros here */
priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p);
if (priv) {
priv->refs++;
@@ -135,93 +86,35 @@ int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p,
priv->minor = m;
priv->devXX = dev;
priv->ioctl_count = 0;
- priv->authenticated = !DRM_OS_CHECKSUSER;
- lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, p);
+ priv->authenticated = !DRM_SUSER(p);
+ DRM_LOCK;
TAILQ_INSERT_TAIL(&dev->files, priv, link);
- lockmgr(&dev->dev_lock, LK_RELEASE, 0, p);
+ DRM_UNLOCK;
}
-
+#ifdef __FreeBSD__
kdev->si_drv1 = dev;
-#endif /* __FreeBSD__ */
-
-#ifdef __linux__
-#ifdef __alpha__
- /*
- * Default the hose
- */
- if (!dev->hose) {
- struct pci_dev *pci_dev;
- pci_dev = pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, NULL);
- if (pci_dev) dev->hose = pci_dev->sysdata;
- if (!dev->hose) {
- struct pci_bus *b = pci_bus_b(pci_root_buses.next);
- if (b) dev->hose = b->sysdata;
- }
- }
#endif
-#endif /* __linux__ */
-
return 0;
}
-#ifdef __linux__
-int DRM(flush)(struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n",
- current->pid, dev->device, dev->open_count);
- return 0;
-}
-
-int DRM(fasync)(int fd, struct file *filp, int on)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- int retcode;
-
- DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device);
- retcode = fasync_helper(fd, filp, on, &dev->buf_async);
- if (retcode < 0) return retcode;
- return 0;
-}
-#endif /* __linux__ */
/* The drm_read and drm_write_string code (especially that which manages
the circular buffer), is based on Alessandro Rubini's LINUX DEVICE
DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */
-#ifdef __linux__
-ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
-#endif /* __linux__ */
-#ifdef __FreeBSD__
-ssize_t DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
-#endif /* __FreeBSD__ */
+int DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
{
- DRM_OS_DEVICE;
+ DRM_DEVICE;
int left;
int avail;
int send;
int cur;
-#ifdef __FreeBSD__
int error = 0;
-#endif /* __FreeBSD__ */
DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
while (dev->buf_rp == dev->buf_wp) {
DRM_DEBUG(" sleeping\n");
-#ifdef __linux__
- if (filp->f_flags & O_NONBLOCK)
- return -EAGAIN;
- interruptible_sleep_on(&dev->buf_readers);
- if (signal_pending(current)) {
- DRM_DEBUG(" interrupted\n");
- return -ERESTARTSYS;
- }
-#endif /* __linux__ */
-#ifdef __FreeBSD__
if (dev->flags & FASYNC)
return EWOULDBLOCK;
error = tsleep(&dev->buf_rp, PZERO|PCATCH, "drmrd", 0);
@@ -229,18 +122,12 @@ ssize_t DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
DRM_DEBUG(" interrupted\n");
return error;
}
-#endif /* __FreeBSD__ */
DRM_DEBUG(" awake\n");
}
left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
avail = DRM_BSZ - left;
-#ifdef __linux__
- send = DRM_MIN(avail, count);
-#endif /* __linux__ */
-#ifdef __FreeBSD__
send = DRM_MIN(avail, uio->uio_resid);
-#endif /* __FreeBSD__ */
while (send) {
if (dev->buf_wp > dev->buf_rp) {
@@ -248,28 +135,16 @@ ssize_t DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
} else {
cur = DRM_MIN(send, dev->buf_end - dev->buf_rp);
}
-#ifdef __linux__
- if (copy_to_user(buf, dev->buf_rp, cur))
- return -EFAULT;
-#endif /* __linux__ */
-#ifdef __FreeBSD__
error = uiomove(dev->buf_rp, cur, uio);
if (error)
break;
-#endif /* __FreeBSD__ */
dev->buf_rp += cur;
if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf;
send -= cur;
}
-#ifdef __linux__
- wake_up_interruptible(&dev->buf_writers);
- return DRM_MIN(avail, count);
-#endif /* __linux__ */
-#ifdef __FreeBSD__
wakeup(&dev->buf_wp);
return error;
-#endif /* __FreeBSD__ */
}
int DRM(write_string)(drm_device_t *dev, const char *s)
@@ -277,6 +152,9 @@ int DRM(write_string)(drm_device_t *dev, const char *s)
int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
int send = strlen(s);
int count;
+#ifdef __NetBSD__
+ struct proc *p;
+#endif /* __NetBSD__ */
DRM_DEBUG("%d left, %d to send (%p, %p)\n",
left, send, dev->buf_rp, dev->buf_wp);
@@ -301,43 +179,40 @@ int DRM(write_string)(drm_device_t *dev, const char *s)
send -= count;
}
-#ifdef __linux__
- if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN);
- DRM_DEBUG("waking\n");
- wake_up_interruptible(&dev->buf_readers);
-#endif /* __linux__ */
-#ifdef __FreeBSD__
if (dev->buf_selecting) {
dev->buf_selecting = 0;
selwakeup(&dev->buf_sel);
}
+#ifdef __FreeBSD__
DRM_DEBUG("dev->buf_sigio=%p\n", dev->buf_sigio);
if (dev->buf_sigio) {
DRM_DEBUG("dev->buf_sigio->sio_pgid=%d\n", dev->buf_sigio->sio_pgid);
+#if __FreeBSD_version >= 500000
pgsigio(&dev->buf_sigio, SIGIO, 0);
+#else
+ pgsigio(dev->buf_sigio, SIGIO, 0);
+#endif /* __FreeBSD_version */
+ }
+#endif /* __FreeBSD__ */
+#ifdef __NetBSD__
+ if (dev->buf_pgid) {
+ DRM_DEBUG("dev->buf_pgid=%d\n", dev->buf_pgid);
+ if(dev->buf_pgid > 0)
+ gsignal(dev->buf_pgid, SIGIO);
+ else if(dev->buf_pgid && (p = pfind(-dev->buf_pgid)) != NULL)
+ psignal(p, SIGIO);
}
+#endif /* __NetBSD__ */
DRM_DEBUG("waking\n");
wakeup(&dev->buf_rp);
-#endif /* __FreeBSD__ */
return 0;
}
-#ifdef __linux__
-unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait)
+int DRM(poll)(dev_t kdev, int events, DRM_STRUCTPROC *p)
{
- DRM_OS_DEVICE;
-
- poll_wait(filp, &dev->buf_readers, wait);
- if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM;
- return 0;
-}
-#endif /* __linux__ */
-#ifdef __FreeBSD__
-int DRM(poll)(dev_t kdev, int events, DRM_OS_STRUCTPROC *p)
-{
- drm_device_t *dev = kdev->si_drv1;
+ DRM_DEVICE;
int s;
int revents = 0;
@@ -356,8 +231,15 @@ int DRM(poll)(dev_t kdev, int events, DRM_OS_STRUCTPROC *p)
int DRM(write)(dev_t kdev, struct uio *uio, int ioflag)
{
- DRM_DEBUG("pid = %d, device = %p, open_count = %d\n",
- curproc->p_pid, ((drm_device_t *)kdev->si_drv1)->device, ((drm_device_t *)kdev->si_drv1)->open_count);
- return 0;
+#if DRM_DEBUG_CODE
+ DRM_DEVICE;
+#endif
+#ifdef __FreeBSD__
+ DRM_DEBUG("pid = %d, device = %p, open_count = %d\n",
+ curproc->p_pid, dev->device, dev->open_count);
+#elif defined(__NetBSD__)
+ DRM_DEBUG("pid = %d, device = %p, open_count = %d\n",
+ curproc->p_pid, &dev->device, dev->open_count);
+#endif
+ return 0;
}
-#endif /* __FreeBSD__ */
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