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Diffstat (limited to 'cpukit/libpci/pci.h')
| -rw-r--r-- | cpukit/libpci/pci.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/cpukit/libpci/pci.h b/cpukit/libpci/pci.h deleted file mode 100644 index a0e008a2d0..0000000000 --- a/cpukit/libpci/pci.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * PCI library. Defines in this file was taken from FreeBSD and auto-generated - * pci_ids.h reused from RTEMS. - * - * COPYRIGHT (c) 2009 Cobham Gaisler AB. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef __PCI_H__ -#define __PCI_H__ - -#include <pci/pcireg.h> -#include <pci/ids.h> - -#define PCI_INVALID_VENDORDEVICEID 0xffffffff - -#define PCID_CLASS(class, dev) ((class << 8) | dev) -#define PCID_PCI2PCI_BRIDGE PCID_CLASS(PCIC_BRIDGE, PCIS_BRIDGE_PCI) - -#include <pci/access.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* The PCI Library have the following build time configuration options. It is - * up to the BSP header file (bsp.h) to set options properly. - * - * BSP_PCI_BIG_ENDIAN - Access inline routines will be for a big-endian PCI - * bus, if not defined the routines will assume that - * PCI is as the standard defines: little-endian. - * - * Note that drivers may be run-time configurable, - * meaning that they may adopt to either big-endian or - * little-endian PCI bus, the host driver or BSP may - * detect endianness during run-time. - */ - -/* Error return values */ -enum { - PCISTS_ERR = -1, /* Undefined Error */ - PCISTS_OK = 0, - PCISTS_EINVAL = 1, /* Bad input arguments */ - PCISTS_MSTABRT = 2, /* CFG space access error (can be ignored) */ -}; - -/* PCI System type can be used to determine system for drivers. Normally - * the system is Host, but the peripheral configuration library also supports - * being PCI peripheral not allowed to access configuration space. - * - * The active configuration Library set this variable. - */ -enum pci_system_type { - PCI_SYSTEM_NONE = 0, - PCI_SYSTEM_HOST = 1, - PCI_SYSTEM_PERIPHERAL = 2, -}; -extern enum pci_system_type pci_system_type; - -/* PCI Bus Endianness. The PCI specification is little endian, however on some - * embedded systems (AT697-LEON2 for example) the PCI bus is defined as big - * endian (non-standard) in order to avoid byte-twisting. - */ -enum { - PCI_LITTLE_ENDIAN = 0, - PCI_BIG_ENDIAN = 1, -}; -extern int pci_endian; - -/* Return the number of PCI busses in the system */ -extern int pci_bus_count(void); - -/* Scan the PCI bus and print the PCI device/functions/bridges and their - * current resources and size to the system console. - */ -extern void pci_print(void); - -/* Print current configuration of a single PCI device by reading PCI - * configuration space - */ -extern void pci_print_dev(pci_dev_t dev); -extern void pci_print_device(int bus, int slot, int function); - -/*** PCI Configuration Space direct access routines ***/ - -/* Function iterates over all PCI buses/devices/functions and calls - * func(PCIDEV,arg) for each present device. The iteration is stopped if - * func() returns non-zero result the same result is returned. As long - * as func() returns zero the function will keep on iterating, when all - * devices has been processed the function return zero. - * - * The function iterates over all devices/functions on all buses by accessing - * configuration space directly (PCI RAM data structures not used). This - * function is valid to call after PCI buses have been enumrated. - */ -extern int pci_for_each(int (*func)(pci_dev_t, void*), void *arg); - -/* Get PCI Configuration space BUS|SLOT|FUNC for a device matching PCI - * Vendor, Device and instance number 'index'. - * - * Return Values - * -1 pci_find_dev did not find a device matching the criterion. - * 0 device was found, *pdev was updated with the device's BUS|SLOT|FUNC - */ -extern int pci_find(uint16_t ven, uint16_t dev, int index, pci_dev_t *pdev); - -#ifdef __cplusplus -} -#endif - -#endif /* __PCI_H__ */ |