dr_cpu.h revision 0c86d1bb954dd114dc697724f09481f790a39f71
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DR_CPU_H
#define _DR_CPU_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* CPU DR Control Protocol
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* CPU DR Message Header
*/
typedef struct {
uint64_t req_num; /* request number */
uint32_t msg_type; /* message type */
uint32_t num_records; /* number of records */
} dr_cpu_hdr_t;
/*
* CPU command and response messages
*/
#define DR_CPU_DS_ID "dr-cpu"
#define DR_CPU_CONFIGURE ('C')
#define DR_CPU_UNCONFIGURE ('U')
#define DR_CPU_FORCE_UNCONFIG ('F')
#define DR_CPU_STATUS ('S')
#define DR_CPU_OK ('o')
#define DR_CPU_ERROR ('e')
/*
* Response Message
*/
typedef struct {
uint32_t cpuid; /* virtual CPU ID */
uint32_t result; /* result of the operation */
uint32_t status; /* status of the CPU */
uint32_t string_off; /* informational string offset */
} dr_cpu_stat_t;
/*
* Result Codes
*/
#define DR_CPU_RES_OK 0x0 /* operation succeeded */
#define DR_CPU_RES_FAILURE 0x1 /* operation failed */
#define DR_CPU_RES_BLOCKED 0x2 /* operation was blocked */
#define DR_CPU_RES_CPU_NOT_RESPONDING 0x3 /* CPU was not responding */
#define DR_CPU_RES_NOT_IN_MD 0x4 /* CPU not defined in MD */
/*
* Status Codes
*/
#define DR_CPU_STAT_NOT_PRESENT 0x0 /* CPU ID not in MD */
#define DR_CPU_STAT_UNCONFIGURED 0x1 /* CPU unconfigured */
#define DR_CPU_STAT_CONFIGURED 0x2 /* CPU configured */
/*
* Macros to access arrays that follow message header
*/
#define DR_CPU_CMD_CPUIDS(_hdr) ((uint32_t *)((_hdr) + 1))
#define DR_CPU_RESP_STATS(_hdr) ((dr_cpu_stat_t *)((_hdr) + 1))
#ifdef __cplusplus
}
#endif
#endif /* _DR_CPU_H */