From 1168ac22314d11447976d7803facc2744a0308ad Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Tue, 15 Mar 2011 15:03:32 -0700 Subject: [PATCH] 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 Signed-off-by: Haiyang Zhang Signed-off-by: Mike Sterling Signed-off-by: Abhishek Kane Signed-off-by: Hank Janssen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/vmbus_drv.c | 63 +++++++++++++++++++--------------- 1 file changed, 36 insertions(+), 27 deletions(-) diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index b473f468dd83..1ef2f0fa73ad 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -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); -- 2.34.1