arch/tile/include/hv/drv_pcie_rc_intf.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 /**
  16  * @file drv_pcie_rc_intf.h
  17  * Interface definitions for the PCIE Root Complex.
  18  */
  19
  20 #ifndef _SYS_HV_DRV_PCIE_RC_INTF_H
  21 #define _SYS_HV_DRV_PCIE_RC_INTF_H
  22
  23 /** File offset for reading the interrupt base number used for PCIE legacy
  24     interrupts and PLX Gen 1 requirement flag */
  25 #define PCIE_RC_CONFIG_MASK_OFF 0
  26
  27
  28 /**
  29  * Structure used for obtaining PCIe config information, read from the PCIE
  30  * subsystem /ctl file at initialization
  31  */
  32 typedef struct pcie_rc_config
  33 {
  34   int intr;                     /**< interrupt number used for downcall */
  35   int plx_gen1;                 /**< flag for PLX Gen 1 configuration */
  36 } pcie_rc_config_t;
  37
  38 #endif  /* _SYS_HV_DRV_PCIE_RC_INTF_H */