diff options
Diffstat (limited to 'usr/src/uts/sun4v/sys/cnex.h')
-rw-r--r-- | usr/src/uts/sun4v/sys/cnex.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/usr/src/uts/sun4v/sys/cnex.h b/usr/src/uts/sun4v/sys/cnex.h new file mode 100644 index 0000000000..f2b01a8ae7 --- /dev/null +++ b/usr/src/uts/sun4v/sys/cnex.h @@ -0,0 +1,98 @@ +/* + * 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 _CNEX_H +#define _CNEX_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Channel nexus "reg" spec + */ +typedef struct cnex_regspec { + uint64_t physaddr; + uint64_t size; +} cnex_regspec_t; + +/* + * Channel nexus interrupt map + */ +struct cnex_pil_map { + ldc_dev_t devclass; /* LDC device class */ + uint32_t pil; /* PIL for device class */ +}; + +/* + * Channel interrupt information + */ +typedef struct cnex_intr { + uint64_t ino; /* dev intr number */ + uint64_t icookie; /* dev intr cookie */ + uint_t (*hdlr)(); /* intr handler */ + caddr_t arg1; /* intr argument 1 */ + caddr_t arg2; /* intr argument 2 */ + void *ssp; /* back ptr to soft state */ +} cnex_intr_t; + +/* cnex interrupt types */ +typedef enum { + CNEX_TX_INTR = 1, /* transmit interrupt */ + CNEX_RX_INTR /* receive interrupt */ +} cnex_intrtype_t; + +/* + * Channel information + */ +typedef struct cnex_ldc { + kmutex_t lock; /* Channel lock */ + struct cnex_ldc *next; + + uint64_t id; + ldc_dev_t devclass; /* Device class channel belongs to */ + + cnex_intr_t tx; /* Transmit interrupt */ + cnex_intr_t rx; /* Receive interrupt */ +} cnex_ldc_t; + +/* + * Channel nexus soft state pointer + */ +typedef struct cnex_soft_state { + dev_info_t *devi; + uint64_t cfghdl; /* cnex config handle */ + kmutex_t clist_lock; /* lock to protect channel list */ + cnex_ldc_t *clist; /* list of registered channels */ +} cnex_soft_state_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _CNEX_H */ |