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MFC r196465

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Clean up the handling of device minors
This commit is contained in:
Robert Noland 2009-10-30 16:12:28 +00:00
parent e7d8e24d0a
commit 1587b7fc87
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/8/; revision=198681
4 changed files with 8 additions and 12 deletions
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1
sys/dev/drm/drmP.h
View File

@ -416,7 +416,6 @@ struct drm_file {
struct drm_device *dev;
int authenticated;
int master;
int minor;
pid_t pid;
uid_t uid;
drm_magic_t magic;

8
sys/dev/drm/drm_drv.c
View File

@ -53,9 +53,6 @@ static void drm_unload(struct drm_device *dev);
static drm_pci_id_list_t *drm_find_description(int vendor, int device,
drm_pci_id_list_t *idlist);
#define DRIVER_SOFTC(unit) \
((struct drm_device *)devclass_get_softc(drm_devclass, unit))
MODULE_VERSION(drm, 1);
MODULE_DEPEND(drm, agp, 1, 1, 1);
MODULE_DEPEND(drm, pci, 1, 1, 1);
@ -210,11 +207,12 @@ int drm_attach(device_t kdev, drm_pci_id_list_t *idlist)
dev->device = kdev;
#endif
dev->devnode = make_dev(&drm_cdevsw,
unit,
0,
DRM_DEV_UID,
DRM_DEV_GID,
DRM_DEV_MODE,
"dri/card%d", unit);
dev->devnode->si_drv1 = dev;
#if __FreeBSD_version >= 700053
dev->pci_domain = pci_get_domain(dev->device);
@ -606,7 +604,7 @@ int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
struct drm_device *dev = NULL;
int retcode = 0;
dev = DRIVER_SOFTC(dev2unit(kdev));
dev = kdev->si_drv1;
DRM_DEBUG("open_count = %d\n", dev->open_count);

4
sys/dev/drm/drm_fops.c
View File

@ -44,14 +44,13 @@ int drm_open_helper(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p,
struct drm_device *dev)
{
struct drm_file *priv;
int m = dev2unit(kdev);
int retcode;
if (flags & O_EXCL)
return EBUSY; /* No exclusive opens */
dev->flags = flags;
DRM_DEBUG("pid = %d, minor = %d\n", DRM_CURRENTPID, m);
DRM_DEBUG("pid = %d, device = %s\n", DRM_CURRENTPID, devtoname(kdev));
priv = malloc(sizeof(*priv), DRM_MEM_FILES, M_NOWAIT | M_ZERO);
if (priv == NULL) {
@ -68,7 +67,6 @@ int drm_open_helper(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p,
priv->dev = dev;
priv->uid = p->td_ucred->cr_svuid;
priv->pid = p->td_proc->p_pid;
priv->minor = m;
priv->ioctl_count = 0;
/* for compatibility root is always authenticated */

7
sys/dev/drm/drm_sysctl.c
View File

@ -298,12 +298,13 @@ static int drm_clients_info DRM_SYSCTL_HANDLER_ARGS
DRM_UNLOCK();
DRM_SYSCTL_PRINT("\na dev pid uid magic ioctls\n");
DRM_SYSCTL_PRINT(
"\na dev pid uid magic ioctls\n");
for (i = 0; i < privcount; i++) {
priv = &tempprivs[i];
DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
DRM_SYSCTL_PRINT("%c %-12s %5d %5d %10u %10lu\n",
priv->authenticated ? 'y' : 'n',
priv->minor,
devtoname(priv->dev->devnode),
priv->pid,
priv->uid,
priv->magic,