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_PIO_LIMIT    0x10000
  19
  20#define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
  21
  22typedef struct QPCIDevice QPCIDevice;
  23typedef struct QPCIBus QPCIBus;
  24typedef struct QPCIBar QPCIBar;
  25
  26struct QPCIBus {
  27    uint8_t (*pio_readb)(QPCIBus *bus, uint32_t addr);
  28    uint16_t (*pio_readw)(QPCIBus *bus, uint32_t addr);
  29    uint32_t (*pio_readl)(QPCIBus *bus, uint32_t addr);
  30    uint64_t (*pio_readq)(QPCIBus *bus, uint32_t addr);
  31
  32    void (*pio_writeb)(QPCIBus *bus, uint32_t addr, uint8_t value);
  33    void (*pio_writew)(QPCIBus *bus, uint32_t addr, uint16_t value);
  34    void (*pio_writel)(QPCIBus *bus, uint32_t addr, uint32_t value);
  35    void (*pio_writeq)(QPCIBus *bus, uint32_t addr, uint64_t value);
  36
  37    void (*memread)(QPCIBus *bus, uint32_t addr, void *buf, size_t len);
  38    void (*memwrite)(QPCIBus *bus, uint32_t addr, const void *buf, size_t len);
  39
  40    uint8_t (*config_readb)(QPCIBus *bus, int devfn, uint8_t offset);
  41    uint16_t (*config_readw)(QPCIBus *bus, int devfn, uint8_t offset);
  42    uint32_t (*config_readl)(QPCIBus *bus, int devfn, uint8_t offset);
  43
  44    void (*config_writeb)(QPCIBus *bus, int devfn,
  45                          uint8_t offset, uint8_t value);
  46    void (*config_writew)(QPCIBus *bus, int devfn,
  47                          uint8_t offset, uint16_t value);
  48    void (*config_writel)(QPCIBus *bus, int devfn,
  49                          uint8_t offset, uint32_t value);
  50
  51    QTestState *qts;
  52    uint16_t pio_alloc_ptr;
  53    uint64_t mmio_alloc_ptr, mmio_limit;
  54};
  55
  56struct QPCIBar {
  57    uint64_t addr;
  58};
  59
  60struct QPCIDevice
  61{
  62    QPCIBus *bus;
  63    int devfn;
  64    bool msix_enabled;
  65    QPCIBar msix_table_bar, msix_pba_bar;
  66    uint64_t msix_table_off, msix_pba_off;
  67};
  68
  69void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
  70                         void (*func)(QPCIDevice *dev, int devfn, void *data),
  71                         void *data);
  72QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
  73
  74void qpci_device_enable(QPCIDevice *dev);
  75uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id);
  76void qpci_msix_enable(QPCIDevice *dev);
  77void qpci_msix_disable(QPCIDevice *dev);
  78bool qpci_msix_pending(QPCIDevice *dev, uint16_t entry);
  79bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry);
  80uint16_t qpci_msix_table_size(QPCIDevice *dev);
  81
  82uint8_t qpci_config_readb(QPCIDevice *dev, uint8_t offset);
  83uint16_t qpci_config_readw(QPCIDevice *dev, uint8_t offset);
  84uint32_t qpci_config_readl(QPCIDevice *dev, uint8_t offset);
  85
  86void qpci_config_writeb(QPCIDevice *dev, uint8_t offset, uint8_t value);
  87void qpci_config_writew(QPCIDevice *dev, uint8_t offset, uint16_t value);
  88void qpci_config_writel(QPCIDevice *dev, uint8_t offset, uint32_t value);
  89
  90uint8_t qpci_io_readb(QPCIDevice *dev, QPCIBar token, uint64_t off);
  91uint16_t qpci_io_readw(QPCIDevice *dev, QPCIBar token, uint64_t off);
  92uint32_t qpci_io_readl(QPCIDevice *dev, QPCIBar token, uint64_t off);
  93uint64_t qpci_io_readq(QPCIDevice *dev, QPCIBar token, uint64_t off);
  94
  95void qpci_io_writeb(QPCIDevice *dev, QPCIBar token, uint64_t off,
  96                    uint8_t value);
  97void qpci_io_writew(QPCIDevice *dev, QPCIBar token, uint64_t off,
  98                    uint16_t value);
  99void qpci_io_writel(QPCIDevice *dev, QPCIBar token, uint64_t off,
 100                    uint32_t value);
 101void qpci_io_writeq(QPCIDevice *dev, QPCIBar token, uint64_t off,
 102                    uint64_t value);
 103
 104void qpci_memread(QPCIDevice *bus, QPCIBar token, uint64_t off,
 105                  void *buf, size_t len);
 106void qpci_memwrite(QPCIDevice *bus, QPCIBar token, uint64_t off,
 107                   const void *buf, size_t len);
 108QPCIBar qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr);
 109void qpci_iounmap(QPCIDevice *dev, QPCIBar addr);
 110QPCIBar qpci_legacy_iomap(QPCIDevice *dev, uint16_t addr);
 111
 112void qpci_unplug_acpi_device_test(const char *id, uint8_t slot);
 113#endif
 114