diff options
Diffstat (limited to 'usr/src/uts/sun4u/sys/smc_if.h')
| -rw-r--r-- | usr/src/uts/sun4u/sys/smc_if.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/usr/src/uts/sun4u/sys/smc_if.h b/usr/src/uts/sun4u/sys/smc_if.h new file mode 100644 index 0000000000..8c35afe05a --- /dev/null +++ b/usr/src/uts/sun4u/sys/smc_if.h @@ -0,0 +1,151 @@ +/* + * 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 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_SMC_IF_H +#define _SYS_SMC_IF_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +#define _SCIOC ('s' << 8) + +/* + * SMC Driver IOCTL + */ +#define SCIOC_MSG_SPEC (_SCIOC | 0x04) +#define SCIOC_RESERVE_SEQN (_SCIOC | 0x05) +#define SCIOC_FREE_SEQN (_SCIOC | 0x06) +#define SCIOC_SEND_SYNC_CMD (_SCIOC | 0x07) + +/* + * IOCTLs to facilitate debugging + */ +#define SCIOC_ECHO_ON_REQ (_SCIOC | 0x08) +#define SCIOC_ECHO_OFF_REQ (_SCIOC | 0x09) + +/* + * A response message can be sent from any application + * to simulate a condition of watchdog expiry or receiving + * async messages + */ +#define SCIOC_ASYNC_SIM (_SCIOC | 0x0A) + +#define SC_SUCCESS 0 +#define SC_FAILURE 1 + +/* + * structure definitions + */ +typedef struct { + uint8_t msg_id; + uint8_t cmd; + uint8_t len; +} sc_reqhdr_t; + +typedef struct { + uint8_t msg_id; + uint8_t cmd; /* Will be 0 is non-SMC response, e.g. wdog */ + uint8_t len; /* Length of message, including header */ + uint8_t cc; /* if non-SMC, contains MSG type */ +} sc_rsphdr_t; + +#define SC_SEND_HEADER (sizeof (sc_reqhdr_t)) +#define SC_RECV_HEADER (sizeof (sc_rsphdr_t)) + +#define SC_MSG_MAX_SIZE 0x3E +#define SC_SEND_DSIZE (SC_MSG_MAX_SIZE - SC_SEND_HEADER) +#define SC_RECV_DSIZE (SC_MSG_MAX_SIZE - SC_RECV_HEADER) + +#define SMC_CMD_FAILED -1 + +typedef enum { + SC_ATTR_SHARED, + SC_ATTR_EXCLUSIVE, + SC_ATTR_CLEAR, + SC_ATTR_CLEARALL +} sc_cmd_attr_t; + +#define MAX_CMDS 16 + +typedef struct { + uint8_t attribute; + uint8_t args[MAX_CMDS]; +} sc_cmdspec_t; + +#define SC_CMDSPEC_ATTR(CMDSPEC) ((CMDSPEC).attribute) +#define SC_CMDSPEC_ARGS(CMDSPEC) ((CMDSPEC).args) + +/* + * Entire SMC Request Message sent down-stream + */ +typedef struct { + sc_reqhdr_t hdr; + uchar_t data[SC_SEND_DSIZE]; +} sc_reqmsg_t; + +/* + * Entire SMC Response Message forwarded up-stream + */ +typedef struct { + sc_rsphdr_t hdr; + uchar_t data[SC_RECV_DSIZE]; +} sc_rspmsg_t; + +#define SC_MSG_HDR(msg) ((msg)->hdr) + +#define SC_SEND_DLENGTH(msg) (SC_MSG_HDR(msg).len) +#define SC_RECV_DLENGTH(msg) (SC_MSG_HDR(msg).len) + +#define SC_MSG_ID(msg) (SC_MSG_HDR(msg).msg_id) +#define SC_MSG_CMD(msg) (SC_MSG_HDR(msg).cmd) +#define SC_MSG_LEN(msg) (SC_MSG_HDR(msg).len) +#define SC_MSG_CC(msg) (SC_MSG_HDR(msg).cc) +#define SC_MSG_DATA(msg) ((msg)->data) + +/* + * IPMB sequence number request structure. Application can + * reserve a block of sequence numbers for communicating + * with each destination + */ +#define SC_SEQ_SZ 16 +typedef struct { + uint8_t d_addr; /* Destination micro-controller addr */ + int8_t n_seqn; /* Number of seq# requested, max 16, -1 => free all */ + uint8_t seq_numbers[SC_SEQ_SZ]; /* Placeholder for seq# */ +} sc_seqdesc_t; + +#define SC_SEQN_DADDR(SEQDESC) ((SEQDESC).d_addr) +#define SC_SEQN_COUNT(SEQDESC) ((SEQDESC).n_seqn) +#define SC_SEQN_NUMBERS(SEQDESC) ((SEQDESC).seq_numbers) + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SMC_IF_H */ |