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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_WRSM_PLUGIN_H
#define _SYS_WRSM_PLUGIN_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types32.h>
#include <sys/rsm/rsm_common.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* the plugin_offset is passed by mmap to the wrsm driver. the driver
* breaks the offset into pieces to accurately determine the real offset
* required to map in the page(s) the plugin (librsmwrsm.so) is requesting
* The following represent valid values for page_type:
* 0X0 = interrupt INTR page map type (small put)
* 0x2000 = BARRIER page
* 0x4000 BARRIER_REGS - wci_cluster_error_count register and CESR
* 0x6000 RECONFIG - network->reroutingp and network->route_count to check
* for configuration changes.
*/
#define WRSM_PAGESIZE 0x2000 /* 8 k */
#define WRSM_MMAP_BARRIER_SCRATCH 0x2000
#define WRSM_MMAP_BARRIER_REGS 0x4000
#define WRSM_MMAP_RECONFIG 0x6000
/* structure used to pass PUT args between plugin and driver */
typedef struct msg_pluginput_args {
rsm_memseg_id_t segment_id;
caddr_t buf;
uint64_t len;
off64_t offset;
uint64_t remote_cnodeid;
} msg_pluginput_args_t;
typedef struct msg_pluginput_args32 {
rsm_memseg_id_t segment_id;
caddr32_t buf;
uint64_t len;
off64_t offset;
uint64_t remote_cnodeid;
} msg_pluginput_args32_t;
/*
* The plugin (librsmwrsm.so) creates an wrsm_plugin_offset_t to pass to the
* driver during mmap with the offset arg. The driver breaks down the
* components of wrsm_plugin_offset_t to determine the real offset of the page
* requested by the plug-in.
*/
typedef union {
struct plugin_offset {
rsm_memseg_id_t segment_id : 32; /* 63:32 */
unsigned char export_cnodeid : 8; /* 31:24 */
uint32_t page_type : 24; /* 23:0 */
} bit;
off64_t val;
} wrsm_plugin_offset_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_WRSM_PLUGIN_H */
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