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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/lin…

…ux/kernel/git/rusty/linux

Pull virtio updates from Rusty Russell:
 "All trivial, thanks to the stuff which didn't quite make it time"

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_console: Initialize guest_connected=true for rproc_serial
  virtio: use module_virtio_driver.
  virtio: Add module driver macro for virtio drivers.
  virtio_console: Use virtio device index to generate port name
  virtio: make pci_device_id const
  virtio: make config_ops const
  virtio-mmio: fix wrong comment about register offset
  virtio_console: Let unconnected rproc device receive data.
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torvalds committed Feb 26, 2013
2 parents 515d01f + 8078db7 commit 3c834b6f41fa21a48389b13c3bf63aa8df1d7080
@@ -154,18 +154,7 @@ static struct virtio_driver virtio_rng_driver = {
#endif
};
-static int __init init(void)
-{
- return register_virtio_driver(&virtio_rng_driver);
-}
-
-static void __exit fini(void)
-{
- unregister_virtio_driver(&virtio_rng_driver);
-}
-module_init(init);
-module_exit(fini);
-
+module_virtio_driver(virtio_rng_driver);
MODULE_DEVICE_TABLE(virtio, id_table);
MODULE_DESCRIPTION("Virtio random number driver");
MODULE_LICENSE("GPL");
@@ -61,9 +61,6 @@ struct ports_driver_data {
/* List of all the devices we're handling */
struct list_head portdevs;
- /* Number of devices this driver is handling */
- unsigned int index;
-
/*
* This is used to keep track of the number of hvc consoles
* spawned by this driver. This number is given as the first
@@ -169,9 +166,6 @@ struct ports_device {
/* Array of per-port IO virtqueues */
struct virtqueue **in_vqs, **out_vqs;
- /* Used for numbering devices for sysfs and debugfs */
- unsigned int drv_index;
-
/* Major number for this device. Ports will be created as minors. */
int chr_major;
};
@@ -1415,7 +1409,7 @@ static int add_port(struct ports_device *portdev, u32 id)
}
port->dev = device_create(pdrvdata.class, &port->portdev->vdev->dev,
devt, port, "vport%up%u",
- port->portdev->drv_index, id);
+ port->portdev->vdev->index, id);
if (IS_ERR(port->dev)) {
err = PTR_ERR(port->dev);
dev_err(&port->portdev->vdev->dev,
@@ -1442,7 +1436,7 @@ static int add_port(struct ports_device *portdev, u32 id)
* rproc_serial does not want the console port, only
* the generic port implementation.
*/
- port->host_connected = true;
+ port->host_connected = port->guest_connected = true;
else if (!use_multiport(port->portdev)) {
/*
* If we're not using multiport support,
@@ -1470,7 +1464,7 @@ static int add_port(struct ports_device *portdev, u32 id)
* inspect a port's state at any time
*/
sprintf(debugfs_name, "vport%up%u",
- port->portdev->drv_index, id);
+ port->portdev->vdev->index, id);
port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
pdrvdata.debugfs_dir,
port,
@@ -1958,16 +1952,12 @@ static int virtcons_probe(struct virtio_device *vdev)
portdev->vdev = vdev;
vdev->priv = portdev;
- spin_lock_irq(&pdrvdata_lock);
- portdev->drv_index = pdrvdata.index++;
- spin_unlock_irq(&pdrvdata_lock);
-
portdev->chr_major = register_chrdev(0, "virtio-portsdev",
&portdev_fops);
if (portdev->chr_major < 0) {
dev_err(&vdev->dev,
"Error %d registering chrdev for device %u\n",
- portdev->chr_major, portdev->drv_index);
+ portdev->chr_major, vdev->index);
err = portdev->chr_major;
goto free;
}
@@ -396,7 +396,7 @@ static const char *lg_bus_name(struct virtio_device *vdev)
}
/* The ops structure which hooks everything together. */
-static struct virtio_config_ops lguest_config_ops = {
+static const struct virtio_config_ops lguest_config_ops = {
.get_features = lg_get_features,
.finalize_features = lg_finalize_features,
.get = lg_get,
View
@@ -1736,17 +1736,7 @@ static struct virtio_driver virtio_net_driver = {
#endif
};
-static int __init init(void)
-{
- return register_virtio_driver(&virtio_net_driver);
-}
-
-static void __exit fini(void)
-{
- unregister_virtio_driver(&virtio_net_driver);
-}
-module_init(init);
-module_exit(fini);
+module_virtio_driver(virtio_net_driver);
MODULE_DEVICE_TABLE(virtio, id_table);
MODULE_DESCRIPTION("Virtio network driver");
@@ -222,7 +222,7 @@ static void rproc_virtio_finalize_features(struct virtio_device *vdev)
rvdev->gfeatures = vdev->features[0];
}
-static struct virtio_config_ops rproc_virtio_config_ops = {
+static const struct virtio_config_ops rproc_virtio_config_ops = {
.get_features = rproc_virtio_get_features,
.finalize_features = rproc_virtio_finalize_features,
.find_vqs = rproc_virtio_find_vqs,
@@ -275,7 +275,7 @@ static const char *kvm_bus_name(struct virtio_device *vdev)
/*
* The config ops structure as defined by virtio config
*/
-static struct virtio_config_ops kvm_vq_configspace_ops = {
+static const struct virtio_config_ops kvm_vq_configspace_ops = {
.get_features = kvm_get_features,
.finalize_features = kvm_finalize_features,
.get = kvm_get,
@@ -560,18 +560,7 @@ static struct virtio_driver virtio_balloon_driver = {
#endif
};
-static int __init init(void)
-{
- return register_virtio_driver(&virtio_balloon_driver);
-}
-
-static void __exit fini(void)
-{
- unregister_virtio_driver(&virtio_balloon_driver);
-}
-module_init(init);
-module_exit(fini);
-
+module_virtio_driver(virtio_balloon_driver);
MODULE_DEVICE_TABLE(virtio, id_table);
MODULE_DESCRIPTION("Virtio balloon driver");
MODULE_LICENSE("GPL");
@@ -75,7 +75,7 @@
*
* 0x050 W QueueNotify Queue notifier
* 0x060 R InterruptStatus Interrupt status register
- * 0x060 W InterruptACK Interrupt acknowledge register
+ * 0x064 W InterruptACK Interrupt acknowledge register
* 0x070 RW Status Device status register
*
* 0x100+ RW Device-specific configuration space
@@ -423,7 +423,7 @@ static const char *vm_bus_name(struct virtio_device *vdev)
return vm_dev->pdev->name;
}
-static struct virtio_config_ops virtio_mmio_config_ops = {
+static const struct virtio_config_ops virtio_mmio_config_ops = {
.get = vm_get,
.set = vm_set,
.get_status = vm_get_status,
@@ -91,9 +91,9 @@ struct virtio_pci_vq_info
};
/* Qumranet donated their vendor ID for devices 0x1000 thru 0x10FF. */
-static struct pci_device_id virtio_pci_id_table[] = {
- { 0x1af4, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0 },
+static DEFINE_PCI_DEVICE_TABLE(virtio_pci_id_table) = {
+ { PCI_DEVICE(0x1af4, PCI_ANY_ID) },
+ { 0 }
};
MODULE_DEVICE_TABLE(pci, virtio_pci_id_table);
@@ -652,7 +652,7 @@ static int vp_set_vq_affinity(struct virtqueue *vq, int cpu)
return 0;
}
-static struct virtio_config_ops virtio_pci_config_ops = {
+static const struct virtio_config_ops virtio_pci_config_ops = {
.get = vp_get,
.set = vp_set,
.get_status = vp_get_status,
View
@@ -78,7 +78,7 @@ struct virtio_device {
int index;
struct device dev;
struct virtio_device_id id;
- struct virtio_config_ops *config;
+ const struct virtio_config_ops *config;
struct list_head vqs;
/* Note that this is a Linux set_bit-style bitmap. */
unsigned long features[1];
@@ -126,4 +126,13 @@ static inline struct virtio_driver *drv_to_virtio(struct device_driver *drv)
int register_virtio_driver(struct virtio_driver *drv);
void unregister_virtio_driver(struct virtio_driver *drv);
+
+/* module_virtio_driver() - Helper macro for drivers that don't do
+ * anything special in module init/exit. This eliminates a lot of
+ * boilerplate. Each module may only use this macro once, and
+ * calling it replaces module_init() and module_exit()
+ */
+#define module_virtio_driver(__virtio_driver) \
+ module_driver(__virtio_driver, register_virtio_driver, \
+ unregister_virtio_driver)
#endif /* _LINUX_VIRTIO_H */

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