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/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SBP2_COMMON_H
#define _SYS_SBP2_COMMON_H
/*
* Serial Bus Protocol 2 (SBP-2) common definitions
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _LITTLE_ENDIAN
#define SBP2_SWAP16(data) \
((((data) & 0xff) << 8) | ((data) >> 8))
#define SBP2_SWAP32(data) \
(((uint32_t)SBP2_SWAP16((uint16_t)((data) & 0xffff)) << 16) | \
(uint32_t)SBP2_SWAP16((uint16_t)((data) >> 16)))
#define SBP2_SWAP16_1(data) (data) = SBP2_SWAP16(data)
#define SBP2_SWAP32_1(data) (data) = SBP2_SWAP32(data)
#define SBP2_SWAP16_2(data) \
((uint16_t *)(data))[0] = SBP2_SWAP16(((uint16_t *)(data))[0]); \
((uint16_t *)(data))[1] = SBP2_SWAP16(((uint16_t *)(data))[1]);
#define SBP2_SWAP32_2(data) \
((uint32_t *)(data))[0] = SBP2_SWAP32(((uint32_t *)(data))[0]); \
((uint32_t *)(data))[1] = SBP2_SWAP32(((uint32_t *)(data))[1]);
#define SBP2_SWAP32_BUF(data, len) sbp2_swap32_buf((uint32_t *)data, len)
#else
#define SBP2_SWAP16(data) (data)
#define SBP2_SWAP32(data) (data)
#define SBP2_SWAP16_1(data)
#define SBP2_SWAP32_1(data)
#define SBP2_SWAP16_2(data)
#define SBP2_SWAP32_2(data)
#define SBP2_SWAP32_BUF(data, len)
#endif
/*
* serial bus address: it is a 64-bit value, but ORB structures require quadlet
* (32-bit) alignment, so it is defined as two quadlets rather than one octlet
*/
typedef uint32_t sbp2_addr_t[2];
#define SBP2_ADDR_NODE_ID 0xFFFF000000000000ULL
#define SBP2_ADDR_NODE_ID_SHIFT 48
#define SBP2_ADDR_OFFSET 0x0000FFFFFFFFFFFCULL
#define SBP2_OFFSET_HI(offset) (((offset) & SBP2_ADDR_OFFSET) >> 32)
#define SBP2_OFFSET_LO(offset) (((offset) & SBP2_ADDR_OFFSET))
#define SBP2_ADDR_SET(var, addr, node_ID) { \
((uint32_t *)(var))[0] = SBP2_SWAP32(((addr) | \
((uint64_t)(node_ID) << SBP2_ADDR_NODE_ID_SHIFT)) >> 32); \
((uint32_t *)(var))[1] = SBP2_SWAP32(SBP2_OFFSET_LO(addr)); \
}
#define SBP2_ADDR2UINT64(addr) ((((uint64_t)(addr)[0])) << 32) | ((addr)[1])
/* ORB pointer: serial bus address without node ID */
typedef uint32_t sbp2_orbp_t[2];
#define SBP2_ORBP_NULL 0x8000000000000000ULL
#define SBP2_ORBP_OFFSET 0x0000FFFFFFFFFFFCULL
#define SBP2_ORBP_MASK (SBP2_ORBP_NULL | SBP2_ORBP_OFFSET)
#define SBP2_ORBP_HI(orbp) \
((uint32_t)(((orbp) & SBP2_ORBP_MASK) >> 32))
#define SBP2_ORBP_LO(orbp) ((uint32_t)((orbp) & SBP2_ORBP_MASK))
#define SBP2_ORBP_SET(var, orbp) { \
((uint32_t *)(var))[0] = SBP2_SWAP32(SBP2_ORBP_HI(orbp)); \
((uint32_t *)(var))[1] = SBP2_SWAP32(SBP2_ORBP_LO(orbp)); \
}
#define SBP2_ORBP2UINT64(orbp) \
((((uint64_t)(orbp)[0] << 32) | (orbp)[1]) & SBP2_ORBP_OFFSET)
/*
* return codes
* NOTE: SBP2_SUCCESS/FAILURE values should be the same as DDI_SUCCESS/FAILURE
*/
enum {
SBP2_SUCCESS = 0,
SBP2_FAILURE = -1, /* generic/undefined failure */
SBP2_EINVAL = 1, /* invalid arguments */
SBP2_ENOMEM = 2, /* memory not available */
SBP2_EIO = 3, /* I/O operation failed */
SBP2_EBUSY = 4, /* device busy */
SBP2_EADDR = 5, /* wrong address */
SBP2_EDEAD = 6, /* agent dead */
SBP2_ETIMEOUT = 7, /* operation timed out */
SBP2_ECFGROM = 8, /* bad/corrupted Config ROM */
SBP2_EALREADY = 9, /* already exists/completed/etc */
SBP2_ESTALE = 10, /* stale login session */
SBP2_EDATA = 11, /* bad/corrupted data */
SBP2_ENODEV = 12, /* device not there */
SBP2_ECONTEXT = 13 /* bad context for I/O operation */
};
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SBP2_COMMON_H */
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