Split the control of master vs root priv. Everything is still marked as

    needing root.

6 files changed, 95 insertions, 89 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 53048ebf..ca415b8f 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -280,6 +280,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
 typedef struct drm_ioctl_desc {
 	drm_ioctl_t *func;
 	int auth_needed;
+	int master;
 	int root_only;
 } drm_ioctl_desc_t;
 
@@ -375,6 +376,7 @@ typedef struct drm_buf_entry {
 /** File private data */
 typedef struct drm_file {
 	int authenticated;
+	int master;
 	int minor;
 	pid_t pid;
 	uid_t uid;
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index d72d1c37..4e4648b9 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -58,67 +58,67 @@ static int drm_version(struct inode *inode, struct file *filp,
 
 /** Ioctl table */
 drm_ioctl_desc_t drm_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = {drm_version, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = {drm_getunique, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = {drm_getmagic, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = {drm_irq_by_busid, 0, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = {drm_getmap, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = {drm_getclient, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = {drm_getstats, 0, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = {drm_setversion, 0, 1},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = {drm_setunique, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = {drm_noop, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = {drm_noop, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = {drm_authmagic, 1, 1},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = {drm_addmap_ioctl, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, 1, 0},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, 1, 0},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, 1, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = {drm_newctx, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = {drm_resctx, 1, 0},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = {drm_adddraw, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = {drm_rmdraw, 1, 1},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = {drm_lock, 1, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = {drm_unlock, 1, 0},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = {drm_noop, 1, 0},
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = {drm_addbufs, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = {drm_markbufs, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = {drm_infobufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = {drm_mapbufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = {drm_freebufs, 1, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = {drm_version, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = {drm_getunique, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = {drm_getmagic, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = {drm_irq_by_busid, 0, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = {drm_getmap, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = {drm_getclient, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = {drm_getstats, 0, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = {drm_setversion, 0, 1, 1},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = {drm_setunique, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = {drm_noop, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = {drm_noop, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = {drm_authmagic, 1, 1, 1},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = {drm_addmap_ioctl, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, 1, 0, 0},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, 1, 0, 0},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = {drm_newctx, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = {drm_resctx, 1, 0, 0},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = {drm_adddraw, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = {drm_rmdraw, 1, 1, 1},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = {drm_lock, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = {drm_unlock, 1, 0, 0},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = {drm_noop, 1, 0, 0},
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = {drm_addbufs, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = {drm_markbufs, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = {drm_infobufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = {drm_mapbufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = {drm_freebufs, 1, 0, 0},
 	/* The DRM_IOCTL_DMA ioctl should be defined by the driver. */
-	[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = {NULL, 1, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = {NULL, 1, 0, 0},
 
-	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, 1, 1, 1},
 
 #if __OS_HAS_AGP
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, 1, 0},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_bind, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_bind, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind, 1, 1, 1},
 #endif
 
-	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, 1, 1, 1},
 
-	[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0, 0},
+	[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0, 0, 0},
 };
 
 #define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( drm_ioctls )
@@ -546,12 +546,13 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 		DRM_DEBUG("no function\n");
 		retcode = -EINVAL;
 	} else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) ||
-		   (ioctl->auth_needed && !priv->authenticated)) {
+		   (ioctl->auth_needed && !priv->authenticated) ||
+		   (ioctl->master && !priv->master)) {
 		retcode = -EACCES;
 	} else {
 		retcode = func(inode, filp, cmd, arg);
 	}
-      err_i1:
+err_i1:
 	atomic_dec(&dev->ioctl_count);
 	if (retcode)
 		DRM_DEBUG("ret = %x\n", retcode);
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 74c7e93c..4e6cd8b4 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -244,6 +244,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t
 	priv->minor = minor;
 	priv->head = drm_heads[minor];
 	priv->ioctl_count = 0;
+	/* for compatibility root is always authenticated */
 	priv->authenticated = capable(CAP_SYS_ADMIN);
 	priv->lock_count = 0;
 
@@ -259,6 +260,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t
 		priv->prev = NULL;
 		dev->file_first = priv;
 		dev->file_last = priv;
+		/* first opener automatically becomes master */
+		priv->master = 1;
 	} else {
 		priv->next = NULL;
 		priv->prev = dev->file_last;
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index a99a4a61..32367324 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -1368,21 +1368,21 @@ int i810_driver_dma_quiescent(drm_device_t * dev)
 }
 
 drm_ioctl_desc_t i810_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, 1, 1},
-	[DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, 1, 1},
-	[DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, 1, 0},
-	[DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, 1, 0}
+	[DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, 1, 0, 0}
 };
 
 int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls);
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
index 75480ccf..10d9dff6 100644
--- a/linux-core/i830_dma.c
+++ b/linux-core/i830_dma.c
@@ -1551,20 +1551,20 @@ int i830_driver_dma_quiescent(drm_device_t * dev)
 }
 
 drm_ioctl_desc_t i830_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, 1, 1},
-	[DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, 1, 0},
-	[DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, 1, 0}
+	[DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, 1, 0, 0}
 };
 
 int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls);
diff --git a/linux-core/savage_drv.c b/linux-core/savage_drv.c
index ff15fb13..5006e6ca 100644
--- a/linux-core/savage_drv.c
+++ b/linux-core/savage_drv.c
@@ -62,10 +62,10 @@ static struct pci_device_id pciidlist[] = {
 };
 
 static drm_ioctl_desc_t ioctls[] = {
-	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_INIT)] = {savage_bci_init, 1, 1},
-	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_CMDBUF)] = {savage_bci_cmdbuf, 1, 0},
-	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_EMIT)] = {savage_bci_event_emit, 1, 0},
-	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_WAIT)] = {savage_bci_event_wait, 1, 0},
+	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_INIT)] = {savage_bci_init, 1, 1, 1},
+	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_CMDBUF)] = {savage_bci_cmdbuf, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_EMIT)] = {savage_bci_event_emit, 1, 0, 0},
+	[DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_WAIT)] = {savage_bci_event_wait, 1, 0, 0},
 };
 
 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);