diff options
Diffstat (limited to 'usr/src/uts/sun4v/sys/vnetmsg.h')
| -rw-r--r-- | usr/src/uts/sun4v/sys/vnetmsg.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/usr/src/uts/sun4v/sys/vnetmsg.h b/usr/src/uts/sun4v/sys/vnetmsg.h new file mode 100644 index 0000000000..79ed1d4336 --- /dev/null +++ b/usr/src/uts/sun4v/sys/vnetmsg.h @@ -0,0 +1,81 @@ +/* + * 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 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _VNETMSG_H +#define _VNETMSG_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +#define LM_SIGNATURE 0x564E45544C4D5347 /* "VNETLMSG" */ + +/* lm_type (below) */ +#define LM_DATA 0x1 +#define LM_ACK 0x2 + +/* + * msg protocol used for ldc_mem IO. currently, 2 cookies are supported. + * (In Unreliable mode LDC-maxpayload is 56 bytes). + */ + +typedef struct vnet_ldc_msg { + uint64_t lm_signature; /* signature: "VNETLMSG" */ + uint8_t lm_type; /* data or ack */ + uint8_t lm_ncookies; /* # of cookies in the msg */ + uint16_t lm_id; /* opaque id (sender) */ + uint16_t lm_dlen; /* actual data length */ + uint16_t lm_resv; /* reserved */ + ldc_mem_cookie_t lm_cookie[2]; /* array of cookies */ +} vnet_ldc_msg_t; + +/* + * XXX Co-ordinate these def's with Harsha, expect that these will + * come from vnet header file. + */ +#define MAX_COOKIES ((ETHERMTU >> MMU_PAGESHIFT) + 2) + +#define VNET_PUB_DESC_FREE 0x0 +#define VNET_PUB_DESC_READY 0x1 +#define VNET_PUB_DESC_DONE 0x2 +#define VNET_PUB_DESC_ACK 0x4 + +#define VNET_PRIV_DESC_FREE 0x0 +#define VNET_PRIV_DESC_BUSY 0x1 + +typedef struct vnet_public_desc { + uint64_t flags; + uint64_t ncookies; + ldc_mem_cookie_t memcookie[MAX_COOKIES]; +} vnet_public_desc_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _VNETMSG_H */ |