diff options
Diffstat (limited to 'drivers/xen/xen-pciback/pciback.h')
| -rw-r--r-- | drivers/xen/xen-pciback/pciback.h | 107 |
1 files changed, 44 insertions, 63 deletions
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index 5c140200a5ea..427b7fd01356 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -25,25 +25,19 @@ struct pci_dev_entry { #define _PCIB_op_pending (1) #define PCIB_op_pending (1<<(_PCIB_op_pending)) -struct pciback_device { +struct xen_pcibk_device { void *pci_dev_data; spinlock_t dev_lock; - struct xenbus_device *xdev; - struct xenbus_watch be_watch; u8 be_watching; - int evtchn_irq; - struct xen_pci_sharedinfo *sh_info; - unsigned long flags; - struct work_struct op_work; }; -struct pciback_dev_data { +struct xen_pcibk_dev_data { struct list_head config_fields; unsigned int permissive:1; unsigned int warned_on_write:1; @@ -52,91 +46,78 @@ struct pciback_dev_data { unsigned int ack_intr:1; /* .. and ACK-ing */ unsigned long handled; unsigned int irq; /* Saved in case device transitions to MSI/MSI-X */ - char irq_name[0]; /* pciback[000:04:00.0] */ + char irq_name[0]; /* xen-pcibk[000:04:00.0] */ }; -/* Used by XenBus and pciback_ops.c */ -extern wait_queue_head_t aer_wait_queue; -extern struct workqueue_struct *pciback_wq; +/* Used by XenBus and xen_pcibk_ops.c */ +extern wait_queue_head_t xen_pcibk_aer_wait_queue; +extern struct workqueue_struct *xen_pcibk_wq; /* Used by pcistub.c and conf_space_quirks.c */ -extern struct list_head pciback_quirks; +extern struct list_head xen_pcibk_quirks; /* Get/Put PCI Devices that are hidden from the PCI Backend Domain */ -struct pci_dev *pcistub_get_pci_dev_by_slot(struct pciback_device *pdev, +struct pci_dev *pcistub_get_pci_dev_by_slot(struct xen_pcibk_device *pdev, int domain, int bus, int slot, int func); -struct pci_dev *pcistub_get_pci_dev(struct pciback_device *pdev, +struct pci_dev *pcistub_get_pci_dev(struct xen_pcibk_device *pdev, struct pci_dev *dev); void pcistub_put_pci_dev(struct pci_dev *dev); /* Ensure a device is turned off or reset */ -void pciback_reset_device(struct pci_dev *pdev); +void xen_pcibk_reset_device(struct pci_dev *pdev); /* Access a virtual configuration space for a PCI device */ -int pciback_config_init(void); -int pciback_config_init_dev(struct pci_dev *dev); -void pciback_config_free_dyn_fields(struct pci_dev *dev); -void pciback_config_reset_dev(struct pci_dev *dev); -void pciback_config_free_dev(struct pci_dev *dev); -int pciback_config_read(struct pci_dev *dev, int offset, int size, - u32 *ret_val); -int pciback_config_write(struct pci_dev *dev, int offset, int size, u32 value); +int xen_pcibk_config_init(void); +int xen_pcibk_config_init_dev(struct pci_dev *dev); +void xen_pcibk_config_free_dyn_fields(struct pci_dev *dev); +void xen_pcibk_config_reset_dev(struct pci_dev *dev); +void xen_pcibk_config_free_dev(struct pci_dev *dev); +int xen_pcibk_config_read(struct pci_dev *dev, int offset, int size, + u32 *ret_val); +int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, + u32 value); /* Handle requests for specific devices from the frontend */ -typedef int (*publish_pci_dev_cb) (struct pciback_device *pdev, +typedef int (*publish_pci_dev_cb) (struct xen_pcibk_device *pdev, unsigned int domain, unsigned int bus, unsigned int devfn, unsigned int devid); -typedef int (*publish_pci_root_cb) (struct pciback_device *pdev, +typedef int (*publish_pci_root_cb) (struct xen_pcibk_device *pdev, unsigned int domain, unsigned int bus); -int pciback_add_pci_dev(struct pciback_device *pdev, struct pci_dev *dev, - int devid, publish_pci_dev_cb publish_cb); -void pciback_release_pci_dev(struct pciback_device *pdev, struct pci_dev *dev); -struct pci_dev *pciback_get_pci_dev(struct pciback_device *pdev, - unsigned int domain, unsigned int bus, - unsigned int devfn); +int xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev, struct pci_dev *dev, + int devid, publish_pci_dev_cb publish_cb); +void xen_pcibk_release_pci_dev(struct xen_pcibk_device *pdev, + struct pci_dev *dev); +struct pci_dev *xen_pcibk_get_pci_dev(struct xen_pcibk_device *pdev, + unsigned int domain, unsigned int bus, + unsigned int devfn); /** -* Add for domain0 PCIE-AER handling. Get guest domain/bus/devfn in pciback +* Add for domain0 PCIE-AER handling. Get guest domain/bus/devfn in xen_pcibk * before sending aer request to pcifront, so that guest could identify -* device, coopearte with pciback to finish aer recovery job if device driver +* device, coopearte with xen_pcibk to finish aer recovery job if device driver * has the capability */ -int pciback_get_pcifront_dev(struct pci_dev *pcidev, - struct pciback_device *pdev, - unsigned int *domain, unsigned int *bus, - unsigned int *devfn); -int pciback_init_devices(struct pciback_device *pdev); -int pciback_publish_pci_roots(struct pciback_device *pdev, - publish_pci_root_cb cb); -void pciback_release_devices(struct pciback_device *pdev); +int xen_pcibk_get_pcifront_dev(struct pci_dev *pcidev, + struct xen_pcibk_device *pdev, + unsigned int *domain, unsigned int *bus, + unsigned int *devfn); +int xen_pcibk_init_devices(struct xen_pcibk_device *pdev); +int xen_pcibk_publish_pci_roots(struct xen_pcibk_device *pdev, + publish_pci_root_cb cb); +void xen_pcibk_release_devices(struct xen_pcibk_device *pdev); /* Handles events from front-end */ -irqreturn_t pciback_handle_event(int irq, void *dev_id); -void pciback_do_op(struct work_struct *data); +irqreturn_t xen_pcibk_handle_event(int irq, void *dev_id); +void xen_pcibk_do_op(struct work_struct *data); -int pciback_xenbus_register(void); -void pciback_xenbus_unregister(void); +int xen_pcibk_xenbus_register(void); +void xen_pcibk_xenbus_unregister(void); -#ifdef CONFIG_PCI_MSI -int pciback_enable_msi(struct pciback_device *pdev, - struct pci_dev *dev, struct xen_pci_op *op); - -int pciback_disable_msi(struct pciback_device *pdev, - struct pci_dev *dev, struct xen_pci_op *op); - - -int pciback_enable_msix(struct pciback_device *pdev, - struct pci_dev *dev, struct xen_pci_op *op); - -int pciback_disable_msix(struct pciback_device *pdev, - struct pci_dev *dev, struct xen_pci_op *op); -#endif extern int verbose_request; -void test_and_schedule_op(struct pciback_device *pdev); +void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev); #endif /* Handles shared IRQs that can to device domain and control domain. */ -void pciback_irq_handler(struct pci_dev *dev, int reset); -irqreturn_t pciback_guest_interrupt(int irq, void *dev_id); +void xen_pcibk_irq_handler(struct pci_dev *dev, int reset); |