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Staging: hv: Make vmbus driver a pci driver 

Make vmbus driver a pci driver. This is
in preparation to cleaning up the root device
management as well as the  irq allocation for this
driver.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Mike Sterling <mike.sterling@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-03-15 15:03:32 -07:00 committed by Greg Kroah-Hartman
parent 0ce790e7d7
commit 1168ac2231
1 changed files with 36 additions and 27 deletions
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63
drivers/staging/hv/vmbus_drv.c
View File

@ -40,6 +40,8 @@
#define VMBUS_IRQ 0x5
#define VMBUS_IRQ_VECTOR IRQ5_VECTOR
struct pci_dev *hv_pci_dev;
/* Main vmbus driver data structure */
struct vmbus_driver_context {
@ -977,36 +979,24 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id)
}
}
static struct dmi_system_id __initdata microsoft_hv_dmi_table[] = {
{
.ident = "Hyper-V",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),
},
},
{ },
};
MODULE_DEVICE_TABLE(dmi, microsoft_hv_dmi_table);
static int __init vmbus_init(void)
static int __devinit hv_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
DPRINT_INFO(VMBUS_DRV,
"Vmbus initializing.... current log level 0x%x (%x,%x)",
vmbus_loglevel, HIWORD(vmbus_loglevel), LOWORD(vmbus_loglevel));
/* Todo: it is used for loglevel, to be ported to new kernel. */
int err;
if (!dmi_check_system(microsoft_hv_dmi_table))
return -ENODEV;
hv_pci_dev = pdev;
return vmbus_bus_init();
}
err = pci_enable_device(pdev);
if (err)
return err;
static void __exit vmbus_exit(void)
{
vmbus_bus_exit();
/* Todo: it is used for loglevel, to be ported to new kernel. */
err = vmbus_bus_init();
if (err)
pci_disable_device(pdev);
return err;
}
/*
@ -1021,10 +1011,29 @@ static const struct pci_device_id microsoft_hv_pci_table[] = {
};
MODULE_DEVICE_TABLE(pci, microsoft_hv_pci_table);
static struct pci_driver hv_bus_driver = {
.name = "hv_bus",
.probe = hv_pci_probe,
.id_table = microsoft_hv_pci_table,
};
static int __init hv_pci_init(void)
{
return pci_register_driver(&hv_bus_driver);
}
static void __exit hv_pci_exit(void)
{
vmbus_bus_exit();
pci_unregister_driver(&hv_bus_driver);
}
MODULE_LICENSE("GPL");
MODULE_VERSION(HV_DRV_VERSION);
module_param(vmbus_irq, int, S_IRUGO);
module_param(vmbus_loglevel, int, S_IRUGO);
module_init(vmbus_init);
module_exit(vmbus_exit);
module_init(hv_pci_init);
module_exit(hv_pci_exit);