/* * libqos PCI bindings * * Copyright IBM, Corp. 2012-2013 * * Authors: * Anthony Liguori <aliguori@us.ibm.com> * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #ifndef LIBQOS_PCI_H #define LIBQOS_PCI_H #include <stdint.h> #define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn)) typedef struct QPCIDevice QPCIDevice; typedef struct QPCIBus QPCIBus; struct QPCIBus { uint8_t (*io_readb)(QPCIBus *bus, void *addr); uint16_t (*io_readw)(QPCIBus *bus, void *addr); uint32_t (*io_readl)(QPCIBus *bus, void *addr); void (*io_writeb)(QPCIBus *bus, void *addr, uint8_t value); void (*io_writew)(QPCIBus *bus, void *addr, uint16_t value); void (*io_writel)(QPCIBus *bus, void *addr, uint32_t value); uint8_t (*config_readb)(QPCIBus *bus, int devfn, uint8_t offset); uint16_t (*config_readw)(QPCIBus *bus, int devfn, uint8_t offset); uint32_t (*config_readl)(QPCIBus *bus, int devfn, uint8_t offset); void (*config_writeb)(QPCIBus *bus, int devfn, uint8_t offset, uint8_t value); void (*config_writew)(QPCIBus *bus, int devfn, uint8_t offset, uint16_t value); void (*config_writel)(QPCIBus *bus, int devfn, uint8_t offset, uint32_t value); void *(*iomap)(QPCIBus *bus, QPCIDevice *dev, int barno); void (*iounmap)(QPCIBus *bus, void *data); }; struct QPCIDevice { QPCIBus *bus; int devfn; }; void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id, void (*func)(QPCIDevice *dev, int devfn, void *data), void *data); QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn); void qpci_device_enable(QPCIDevice *dev); uint8_t qpci_config_readb(QPCIDevice *dev, uint8_t offset); uint16_t qpci_config_readw(QPCIDevice *dev, uint8_t offset); uint32_t qpci_config_readl(QPCIDevice *dev, uint8_t offset); void qpci_config_writeb(QPCIDevice *dev, uint8_t offset, uint8_t value); void qpci_config_writew(QPCIDevice *dev, uint8_t offset, uint16_t value); void qpci_config_writel(QPCIDevice *dev, uint8_t offset, uint32_t value); uint8_t qpci_io_readb(QPCIDevice *dev, void *data); uint16_t qpci_io_readw(QPCIDevice *dev, void *data); uint32_t qpci_io_readl(QPCIDevice *dev, void *data); void qpci_io_writeb(QPCIDevice *dev, void *data, uint8_t value); void qpci_io_writew(QPCIDevice *dev, void *data, uint16_t value); void qpci_io_writel(QPCIDevice *dev, void *data, uint32_t value); void *qpci_iomap(QPCIDevice *dev, int barno); void qpci_iounmap(QPCIDevice *dev, void *data); #endif