1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _QCN_H 28 #define _QCN_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * sun4v Console driver 38 */ 39 40 #include <sys/types.h> 41 #include <sys/stream.h> 42 #include <sys/tty.h> 43 #include <sys/ddi.h> 44 #include <sys/sunddi.h> 45 46 #define RINGBITS 8 /* # of bits in ring ptrs */ 47 #define RINGSIZE (1<<RINGBITS) /* size of ring */ 48 #define RINGMASK (RINGSIZE-1) 49 50 #define RING_INIT(qsp) ((qsp)->qcn_rput = (qsp)->qcn_rget = 0) 51 #define RING_CNT(qsp) (((qsp)->qcn_rput - (qsp)->qcn_rget) & RINGMASK) 52 #define RING_POK(qsp, n) ((int)RING_CNT(qsp) < (int)(RINGSIZE-(n))) 53 #define RING_PUT(qsp, c) \ 54 ((qsp)->qcn_ring[(qsp)->qcn_rput++ & RINGMASK] = (uchar_t)(c)) 55 #define RING_GET(qsp) ((qsp)->qcn_ring[(qsp)->qcn_rget++ & RINGMASK]) 56 57 /* 58 * qcn driver's soft state structure 59 */ 60 typedef struct qcn { 61 /* mutexes */ 62 kmutex_t qcn_hi_lock; /* protects qcn_t (soft state) */ 63 kmutex_t qcn_softlock; /* protects input handler */ 64 kmutex_t qcn_lock; /* protects output queue */ 65 66 /* stream queues */ 67 queue_t *qcn_writeq; /* stream write queue */ 68 queue_t *qcn_readq; /* stream read queue */ 69 70 /* dev info */ 71 dev_info_t *qcn_dip; /* dev_info */ 72 73 /* for handling IOCTL messages */ 74 bufcall_id_t qcn_wbufcid; /* for console ioctl */ 75 tty_common_t qcn_tty; /* for console ioctl */ 76 77 /* for console output timeout */ 78 time_t qcn_sc_active; /* last time (sec) SC was active */ 79 uint_t qcn_polling; 80 uchar_t qcn_rget; 81 uchar_t qcn_rput; 82 int qcn_soft_pend; 83 ddi_softint_handle_t qcn_softint_hdl; 84 ushort_t qcn_ring[RINGSIZE]; 85 ushort_t qcn_hangup; 86 ddi_intr_handle_t *qcn_htable; /* For array of interrupts */ 87 int qcn_intr_type; /* What type of interrupt */ 88 int qcn_intr_cnt; /* # of intrs count returned */ 89 size_t qcn_intr_size; /* Size of intr array */ 90 uint_t qcn_intr_pri; /* Interrupt priority */ 91 ddi_iblock_cookie_t qcn_soft_pri; 92 uint_t qcn_rbuf_overflow; 93 } qcn_t; 94 95 /* Constants used by promif routines */ 96 #define QCN_CLNT_STR "CON_CLNT" 97 #define QCN_OBP_STR "CON_OBP" 98 99 /* alternate break sequence */ 100 extern void (*abort_seq_handler)(); 101 102 extern struct mod_ops mod_driverops; 103 104 #define QCN_TXINT_ENABLE 0x1 105 #define QCN_RXINT_ENABLE 0x2 106 107 #ifdef __cplusplus 108 } 109 #endif 110 111 #endif /* _QCN_H */ 112