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/* Definitions for pci-specific calls
Copyright (C) 2017 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
subsystem pci 39000;
#include <hurd/hurd_types.defs>
#ifdef PCI_IMPORTS
PCI_IMPORTS
INTR_INTERFACE
#endif
/*
* Read 'amount' bytes from offset 'reg' in the
* configuration space and store it in 'data'
*/
routine pci_conf_read (
master: pci_t;
reg: int;
out data: data_t, dealloc;
amount: vm_size_t
);
/* Write 'amount' bytes from 'data' to offset 'reg' in the config space */
routine pci_conf_write(
master: pci_t;
reg: int;
data: data_t;
out amount: vm_size_t
);
/*
* Calculate the number of devices that are allowed
* for the user and return it in 'numdevs'.
*/
routine pci_get_ndevs(
master: pci_t;
out ndevs: vm_size_t
);
/*
* Return the memory regions for a specified device.
* `data' is an array of 6 struct pci_bar
*/
routine pci_get_dev_regions(
master: pci_t;
out data: data_t, dealloc
);
/*
* Return the expansion ROM bar for a given device.
* `data' is a struct pci_xrom_bar
*/
routine pci_get_dev_rom(
master: pci_t;
out data: data_t, dealloc
);
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