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/*
* 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 "../libqtest.h"
#include "qgraph.h"
#define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
typedef struct QPCIDevice QPCIDevice;
typedef struct QPCIBus QPCIBus;
typedef struct QPCIBar QPCIBar;
typedef struct QPCIAddress QPCIAddress;
struct QPCIBus {
uint8_t (*pio_readb)(QPCIBus *bus, uint32_t addr);
uint16_t (*pio_readw)(QPCIBus *bus, uint32_t addr);
uint32_t (*pio_readl)(QPCIBus *bus, uint32_t addr);
uint64_t (*pio_readq)(QPCIBus *bus, uint32_t addr);
void (*pio_writeb)(QPCIBus *bus, uint32_t addr, uint8_t value);
void (*pio_writew)(QPCIBus *bus, uint32_t addr, uint16_t value);
void (*pio_writel)(QPCIBus *bus, uint32_t addr, uint32_t value);
void (*pio_writeq)(QPCIBus *bus, uint32_t addr, uint64_t value);
void (*memread)(QPCIBus *bus, uint32_t addr, void *buf, size_t len);
void (*memwrite)(QPCIBus *bus, uint32_t addr, const void *buf, size_t len);
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);
QTestState *qts;
uint64_t pio_alloc_ptr, pio_limit;
uint64_t mmio_alloc_ptr, mmio_limit;
bool has_buggy_msi; /* TRUE for spapr, FALSE for pci */
bool not_hotpluggable; /* TRUE if devices cannot be hotplugged */
};
struct QPCIBar {
uint64_t addr;
bool is_io;
};
struct QPCIDevice
{
QPCIBus *bus;
int devfn;
bool msix_enabled;
QPCIBar msix_table_bar, msix_pba_bar;
uint64_t msix_table_off, msix_pba_off;
};
struct QPCIAddress {
uint32_t devfn;
uint16_t vendor_id;
uint16_t device_id;
};
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_init(QPCIDevice *dev, QPCIBus *bus, QPCIAddress *addr);
int qpci_secondary_buses_init(QPCIBus *bus);
bool qpci_has_buggy_msi(QPCIDevice *dev);
bool qpci_check_buggy_msi(QPCIDevice *dev);
void qpci_device_enable(QPCIDevice *dev);
uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id, uint8_t start_addr);
void qpci_msix_enable(QPCIDevice *dev);
void qpci_msix_disable(QPCIDevice *dev);
bool qpci_msix_pending(QPCIDevice *dev, uint16_t entry);
bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry);
uint16_t qpci_msix_table_size(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, QPCIBar token, uint64_t off);
uint16_t qpci_io_readw(QPCIDevice *dev, QPCIBar token, uint64_t off);
uint32_t qpci_io_readl(QPCIDevice *dev, QPCIBar token, uint64_t off);
uint64_t qpci_io_readq(QPCIDevice *dev, QPCIBar token, uint64_t off);
void qpci_io_writeb(QPCIDevice *dev, QPCIBar token, uint64_t off,
uint8_t value);
void qpci_io_writew(QPCIDevice *dev, QPCIBar token, uint64_t off,
uint16_t value);
void qpci_io_writel(QPCIDevice *dev, QPCIBar token, uint64_t off,
uint32_t value);
void qpci_io_writeq(QPCIDevice *dev, QPCIBar token, uint64_t off,
uint64_t value);
void qpci_memread(QPCIDevice *bus, QPCIBar token, uint64_t off,
void *buf, size_t len);
void qpci_memwrite(QPCIDevice *bus, QPCIBar token, uint64_t off,
const void *buf, size_t len);
QPCIBar qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr);
void qpci_iounmap(QPCIDevice *dev, QPCIBar addr);
QPCIBar qpci_legacy_iomap(QPCIDevice *dev, uint16_t addr);
void qpci_unplug_acpi_device_test(QTestState *qs, const char *id, uint8_t slot);
void add_qpci_address(QOSGraphEdgeOptions *opts, QPCIAddress *addr);
#endif
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