LXR qemu/tests/libqos/pci.h

   1/*
   2 * libqos PCI bindings
   3 *
   4 * Copyright IBM, Corp. 2012-2013
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 */
  12
  13#ifndef LIBQOS_PCI_H
  14#define LIBQOS_PCI_H
  15
  16#include "libqtest.h"
  17
  18#define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
  19
  20typedef struct QPCIDevice QPCIDevice;
  21typedef struct QPCIBus QPCIBus;
  22
  23struct QPCIBus
  24{
  25    uint8_t (*io_readb)(QPCIBus *bus, void *addr);
  26    uint16_t (*io_readw)(QPCIBus *bus, void *addr);
  27    uint32_t (*io_readl)(QPCIBus *bus, void *addr);
  28
  29    void (*io_writeb)(QPCIBus *bus, void *addr, uint8_t value);
  30    void (*io_writew)(QPCIBus *bus, void *addr, uint16_t value);
  31    void (*io_writel)(QPCIBus *bus, void *addr, uint32_t value);
  32
  33    uint8_t (*config_readb)(QPCIBus *bus, int devfn, uint8_t offset);
  34    uint16_t (*config_readw)(QPCIBus *bus, int devfn, uint8_t offset);
  35    uint32_t (*config_readl)(QPCIBus *bus, int devfn, uint8_t offset);
  36
  37    void (*config_writeb)(QPCIBus *bus, int devfn,
  38                          uint8_t offset, uint8_t value);
  39    void (*config_writew)(QPCIBus *bus, int devfn,
  40                          uint8_t offset, uint16_t value);
  41    void (*config_writel)(QPCIBus *bus, int devfn,
  42                          uint8_t offset, uint32_t value);
  43
  44    void *(*iomap)(QPCIBus *bus, QPCIDevice *dev, int barno, uint64_t *sizeptr);
  45    void (*iounmap)(QPCIBus *bus, void *data);
  46};
  47
  48struct QPCIDevice
  49{
  50    QPCIBus *bus;
  51    int devfn;
  52    bool msix_enabled;
  53    void *msix_table;
  54    void *msix_pba;
  55};
  56
  57void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
  58                         void (*func)(QPCIDevice *dev, int devfn, void *data),
  59                         void *data);
  60QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
  61
  62void qpci_device_enable(QPCIDevice *dev);
  63uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id);
  64void qpci_msix_enable(QPCIDevice *dev);
  65void qpci_msix_disable(QPCIDevice *dev);
  66bool qpci_msix_pending(QPCIDevice *dev, uint16_t entry);
  67bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry);
  68uint16_t qpci_msix_table_size(QPCIDevice *dev);
  69
  70uint8_t qpci_config_readb(QPCIDevice *dev, uint8_t offset);
  71uint16_t qpci_config_readw(QPCIDevice *dev, uint8_t offset);
  72uint32_t qpci_config_readl(QPCIDevice *dev, uint8_t offset);
  73
  74void qpci_config_writeb(QPCIDevice *dev, uint8_t offset, uint8_t value);
  75void qpci_config_writew(QPCIDevice *dev, uint8_t offset, uint16_t value);
  76void qpci_config_writel(QPCIDevice *dev, uint8_t offset, uint32_t value);
  77
  78uint8_t qpci_io_readb(QPCIDevice *dev, void *data);
  79uint16_t qpci_io_readw(QPCIDevice *dev, void *data);
  80uint32_t qpci_io_readl(QPCIDevice *dev, void *data);
  81
  82void qpci_io_writeb(QPCIDevice *dev, void *data, uint8_t value);
  83void qpci_io_writew(QPCIDevice *dev, void *data, uint16_t value);
  84void qpci_io_writel(QPCIDevice *dev, void *data, uint32_t value);
  85
  86void *qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr);
  87void qpci_iounmap(QPCIDevice *dev, void *data);
  88
  89void qpci_plug_device_test(const char *driver, const char *id,
  90                           uint8_t slot, const char *opts);
  91void qpci_unplug_acpi_device_test(const char *id, uint8_t slot);
  92#endif
  93