From 5e0b8d508ed51004bd836384293be00950ee62c9 Mon Sep 17 00:00:00 2001 From: Pasha Date: Tue, 20 Feb 2024 18:49:50 +0000 Subject: init gnumach copy --- device/ds_routines.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 device/ds_routines.h (limited to 'device/ds_routines.h') diff --git a/device/ds_routines.h b/device/ds_routines.h new file mode 100644 index 0000000..48d85dd --- /dev/null +++ b/device/ds_routines.h @@ -0,0 +1,86 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 8/89 + * + * Device service utility routines. + */ + +#ifndef DS_ROUTINES_H +#define DS_ROUTINES_H + +#include +#include +#include +#include + +/* + * Map for device IO memory. + */ +extern vm_map_t device_io_map; + +extern queue_head_t io_done_list; + +kern_return_t device_read_alloc(io_req_t, vm_size_t); +kern_return_t device_write_get(io_req_t, boolean_t *); +boolean_t device_write_dealloc(io_req_t); +void device_reference(device_t); + +boolean_t ds_notify(mach_msg_header_t *msg); +boolean_t ds_open_done(io_req_t); +boolean_t ds_read_done(io_req_t); +boolean_t ds_write_done(io_req_t); + +void iowait (io_req_t ior); + +kern_return_t device_pager_setup( + const mach_device_t device, + int prot, + vm_offset_t offset, + vm_size_t size, + mach_port_t *pager); + +extern void mach_device_init(void); +extern void dev_lookup_init(void); +extern void device_pager_init(void); +extern void io_done_thread(void) __attribute__ ((noreturn)); + +io_return_t ds_device_write_trap( + device_t dev, + dev_mode_t mode, + rpc_recnum_t recnum, + rpc_vm_offset_t data, + rpc_vm_size_t count); + +io_return_t ds_device_writev_trap( + device_t dev, + dev_mode_t mode, + rpc_recnum_t recnum, + rpc_io_buf_vec_t *iovec, + rpc_vm_size_t count); + +#endif /* DS_ROUTINES_H */ -- cgit v1.2.1