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 <stdint.h>
  17 #include "libqtest.h"
  18
  19 #define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
  20
  21 typedef struct QPCIDevice QPCIDevice;
  22 typedef struct QPCIBus QPCIBus;
  23
  24 struct QPCIBus
  25 {
  26     uint8_t (*io_readb)(QPCIBus *bus, void *addr);
  27     uint16_t (*io_readw)(QPCIBus *bus, void *addr);
  28     uint32_t (*io_readl)(QPCIBus *bus, void *addr);
  29
  30     void (*io_writeb)(QPCIBus *bus, void *addr, uint8_t value);
  31     void (*io_writew)(QPCIBus *bus, void *addr, uint16_t value);
  32     void (*io_writel)(QPCIBus *bus, void *addr, uint32_t value);
  33
  34     uint8_t (*config_readb)(QPCIBus *bus, int devfn, uint8_t offset);
  35     uint16_t (*config_readw)(QPCIBus *bus, int devfn, uint8_t offset);
  36     uint32_t (*config_readl)(QPCIBus *bus, int devfn, uint8_t offset);
  37
  38     void (*config_writeb)(QPCIBus *bus, int devfn,
  39                           uint8_t offset, uint8_t value);
  40     void (*config_writew)(QPCIBus *bus, int devfn,
  41                           uint8_t offset, uint16_t value);
  42     void (*config_writel)(QPCIBus *bus, int devfn,
  43                           uint8_t offset, uint32_t value);
  44
  45     void *(*iomap)(QPCIBus *bus, QPCIDevice *dev, int barno, uint64_t *sizeptr);
  46     void (*iounmap)(QPCIBus *bus, void *data);
  47 };
  48
  49 struct QPCIDevice
  50 {
  51     QPCIBus *bus;
  52     int devfn;
  53     bool msix_enabled;
  54     void *msix_table;
  55     void *msix_pba;
  56 };
  57
  58 void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
  59                          void (*func)(QPCIDevice *dev, int devfn, void *data),
  60                          void *data);
  61 QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
  62
  63 void qpci_device_enable(QPCIDevice *dev);
  64 uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id);
  65 void qpci_msix_enable(QPCIDevice *dev);
  66 void qpci_msix_disable(QPCIDevice *dev);
  67 bool qpci_msix_pending(QPCIDevice *dev, uint16_t entry);
  68 bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry);
  69 uint16_t qpci_msix_table_size(QPCIDevice *dev);
  70
  71 uint8_t qpci_config_readb(QPCIDevice *dev, uint8_t offset);
  72 uint16_t qpci_config_readw(QPCIDevice *dev, uint8_t offset);
  73 uint32_t qpci_config_readl(QPCIDevice *dev, uint8_t offset);
  74
  75 void qpci_config_writeb(QPCIDevice *dev, uint8_t offset, uint8_t value);
  76 void qpci_config_writew(QPCIDevice *dev, uint8_t offset, uint16_t value);
  77 void qpci_config_writel(QPCIDevice *dev, uint8_t offset, uint32_t value);
  78
  79 uint8_t qpci_io_readb(QPCIDevice *dev, void *data);
  80 uint16_t qpci_io_readw(QPCIDevice *dev, void *data);
  81 uint32_t qpci_io_readl(QPCIDevice *dev, void *data);
  82
  83 void qpci_io_writeb(QPCIDevice *dev, void *data, uint8_t value);
  84 void qpci_io_writew(QPCIDevice *dev, void *data, uint16_t value);
  85 void qpci_io_writel(QPCIDevice *dev, void *data, uint32_t value);
  86
  87 void *qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr);
  88 void qpci_iounmap(QPCIDevice *dev, void *data);
  89
  90 void qpci_plug_device_test(const char *driver, const char *id,
  91                            uint8_t slot, const char *opts);
  92 void qpci_unplug_acpi_device_test(const char *id, uint8_t slot);
  93 #endif