1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * generic mpxio leaf driver 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <sys/param.h> 34*0Sstevel@tonic-gate #include <sys/errno.h> 35*0Sstevel@tonic-gate #include <sys/uio.h> 36*0Sstevel@tonic-gate #include <sys/buf.h> 37*0Sstevel@tonic-gate #include <sys/modctl.h> 38*0Sstevel@tonic-gate #include <sys/open.h> 39*0Sstevel@tonic-gate #include <sys/kmem.h> 40*0Sstevel@tonic-gate #include <sys/conf.h> 41*0Sstevel@tonic-gate #include <sys/cmn_err.h> 42*0Sstevel@tonic-gate #include <sys/stat.h> 43*0Sstevel@tonic-gate #include <sys/ddi.h> 44*0Sstevel@tonic-gate #include <sys/sunddi.h> 45*0Sstevel@tonic-gate #include <sys/sunndi.h> 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate static int tcli_open(dev_t *, int, int, cred_t *); 49*0Sstevel@tonic-gate static int tcli_close(dev_t, int, int, cred_t *); 50*0Sstevel@tonic-gate static int tcli_read(dev_t, struct uio *, cred_t *); 51*0Sstevel@tonic-gate static int tcli_write(dev_t, struct uio *, cred_t *); 52*0Sstevel@tonic-gate static int tcli_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 53*0Sstevel@tonic-gate static int tcli_attach(dev_info_t *, ddi_attach_cmd_t); 54*0Sstevel@tonic-gate static int tcli_detach(dev_info_t *, ddi_detach_cmd_t); 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate static int tcli_info(dev_info_t *, ddi_info_cmd_t, void *, void **); 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate struct dstate { 59*0Sstevel@tonic-gate dev_info_t *dip; 60*0Sstevel@tonic-gate int oflag; 61*0Sstevel@tonic-gate }; 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate static void *dstates; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define INST_TO_MINOR(i) (i) 66*0Sstevel@tonic-gate #define MINOR_TO_INST(mn) (mn) 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate static struct cb_ops tcli_cb_ops = { 69*0Sstevel@tonic-gate tcli_open, /* open */ 70*0Sstevel@tonic-gate tcli_close, /* close */ 71*0Sstevel@tonic-gate nodev, /* strategy */ 72*0Sstevel@tonic-gate nodev, /* print */ 73*0Sstevel@tonic-gate nodev, /* dump */ 74*0Sstevel@tonic-gate tcli_read, /* read */ 75*0Sstevel@tonic-gate tcli_write, /* write */ 76*0Sstevel@tonic-gate tcli_ioctl, /* ioctl */ 77*0Sstevel@tonic-gate nodev, /* devmap */ 78*0Sstevel@tonic-gate nodev, /* mmap */ 79*0Sstevel@tonic-gate nodev, /* segmap */ 80*0Sstevel@tonic-gate nochpoll, /* poll */ 81*0Sstevel@tonic-gate ddi_prop_op, /* prop_op */ 82*0Sstevel@tonic-gate NULL, /* streamtab */ 83*0Sstevel@tonic-gate D_NEW | D_MP | D_HOTPLUG, /* flag */ 84*0Sstevel@tonic-gate CB_REV, /* cb_rev */ 85*0Sstevel@tonic-gate nodev, /* aread */ 86*0Sstevel@tonic-gate nodev /* awrite */ 87*0Sstevel@tonic-gate }; 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate static struct dev_ops tcli_ops = { 91*0Sstevel@tonic-gate DEVO_REV, /* devo_rev */ 92*0Sstevel@tonic-gate 0, /* refcnt */ 93*0Sstevel@tonic-gate tcli_info, /* getinfo */ 94*0Sstevel@tonic-gate nulldev, /* identify */ 95*0Sstevel@tonic-gate nulldev, /* probe */ 96*0Sstevel@tonic-gate tcli_attach, /* attach */ 97*0Sstevel@tonic-gate tcli_detach, /* detach */ 98*0Sstevel@tonic-gate nodev, /* reset */ 99*0Sstevel@tonic-gate &tcli_cb_ops, /* driver ops */ 100*0Sstevel@tonic-gate (struct bus_ops *)0, /* bus ops */ 101*0Sstevel@tonic-gate NULL /* power */ 102*0Sstevel@tonic-gate }; 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate static struct modldrv modldrv = { 105*0Sstevel@tonic-gate &mod_driverops, 106*0Sstevel@tonic-gate "vhci client test driver %I%", 107*0Sstevel@tonic-gate &tcli_ops 108*0Sstevel@tonic-gate }; 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 111*0Sstevel@tonic-gate MODREV_1, &modldrv, NULL 112*0Sstevel@tonic-gate }; 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate int 115*0Sstevel@tonic-gate _init(void) 116*0Sstevel@tonic-gate { 117*0Sstevel@tonic-gate int e; 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate if ((e = ddi_soft_state_init(&dstates, 120*0Sstevel@tonic-gate sizeof (struct dstate), 0)) != 0) { 121*0Sstevel@tonic-gate return (e); 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate if ((e = mod_install(&modlinkage)) != 0) { 125*0Sstevel@tonic-gate ddi_soft_state_fini(&dstates); 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate return (e); 129*0Sstevel@tonic-gate } 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate int 132*0Sstevel@tonic-gate _fini(void) 133*0Sstevel@tonic-gate { 134*0Sstevel@tonic-gate int e; 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate if ((e = mod_remove(&modlinkage)) != 0) { 137*0Sstevel@tonic-gate return (e); 138*0Sstevel@tonic-gate } 139*0Sstevel@tonic-gate ddi_soft_state_fini(&dstates); 140*0Sstevel@tonic-gate return (e); 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate int 144*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 145*0Sstevel@tonic-gate { 146*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 147*0Sstevel@tonic-gate } 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate /*ARGSUSED*/ 150*0Sstevel@tonic-gate static int 151*0Sstevel@tonic-gate tcli_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) 152*0Sstevel@tonic-gate { 153*0Sstevel@tonic-gate int instance = ddi_get_instance(devi); 154*0Sstevel@tonic-gate struct dstate *dstatep; 155*0Sstevel@tonic-gate int rval; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate if (cmd != DDI_ATTACH) 158*0Sstevel@tonic-gate return (DDI_SUCCESS); 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate if (ddi_soft_state_zalloc(dstates, instance) != DDI_SUCCESS) { 161*0Sstevel@tonic-gate cmn_err(CE_CONT, "%s%d: can't allocate state\n", 162*0Sstevel@tonic-gate ddi_get_name(devi), instance); 163*0Sstevel@tonic-gate return (DDI_FAILURE); 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate dstatep = ddi_get_soft_state(dstates, instance); 167*0Sstevel@tonic-gate dstatep->dip = devi; 168*0Sstevel@tonic-gate 169*0Sstevel@tonic-gate rval = ddi_create_minor_node(devi, "client", S_IFCHR, 170*0Sstevel@tonic-gate (INST_TO_MINOR(instance)), DDI_PSEUDO, NULL); 171*0Sstevel@tonic-gate if (rval == DDI_FAILURE) { 172*0Sstevel@tonic-gate ddi_remove_minor_node(devi, NULL); 173*0Sstevel@tonic-gate ddi_soft_state_free(dstates, instance); 174*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: can't create minor nodes", 175*0Sstevel@tonic-gate ddi_get_name(devi), instance); 176*0Sstevel@tonic-gate return (DDI_FAILURE); 177*0Sstevel@tonic-gate } 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate ddi_report_dev(devi); 180*0Sstevel@tonic-gate return (DDI_SUCCESS); 181*0Sstevel@tonic-gate } 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate /*ARGSUSED*/ 184*0Sstevel@tonic-gate static int 185*0Sstevel@tonic-gate tcli_detach(dev_info_t *devi, ddi_detach_cmd_t cmd) 186*0Sstevel@tonic-gate { 187*0Sstevel@tonic-gate int instance; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate if (cmd != DDI_DETACH) 190*0Sstevel@tonic-gate return (DDI_SUCCESS); 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate ddi_remove_minor_node(devi, NULL); 193*0Sstevel@tonic-gate instance = ddi_get_instance(devi); 194*0Sstevel@tonic-gate ddi_soft_state_free(dstates, instance); 195*0Sstevel@tonic-gate return (DDI_SUCCESS); 196*0Sstevel@tonic-gate } 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate /* ARGSUSED */ 199*0Sstevel@tonic-gate static int 200*0Sstevel@tonic-gate tcli_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 201*0Sstevel@tonic-gate { 202*0Sstevel@tonic-gate dev_t dev; 203*0Sstevel@tonic-gate int instance; 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate if (infocmd != DDI_INFO_DEVT2INSTANCE) 206*0Sstevel@tonic-gate return (DDI_FAILURE); 207*0Sstevel@tonic-gate 208*0Sstevel@tonic-gate dev = (dev_t)arg; 209*0Sstevel@tonic-gate instance = MINOR_TO_INST(getminor(dev)); 210*0Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 211*0Sstevel@tonic-gate return (DDI_SUCCESS); 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate 214*0Sstevel@tonic-gate 215*0Sstevel@tonic-gate /*ARGSUSED*/ 216*0Sstevel@tonic-gate static int 217*0Sstevel@tonic-gate tcli_open(dev_t *devp, int flag, int otyp, cred_t *cred) 218*0Sstevel@tonic-gate { 219*0Sstevel@tonic-gate minor_t minor; 220*0Sstevel@tonic-gate struct dstate *dstatep; 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate if (otyp != OTYP_BLK && otyp != OTYP_CHR) 223*0Sstevel@tonic-gate return (EINVAL); 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate minor = getminor(*devp); 226*0Sstevel@tonic-gate if ((dstatep = ddi_get_soft_state(dstates, 227*0Sstevel@tonic-gate MINOR_TO_INST(minor))) == NULL) 228*0Sstevel@tonic-gate return (ENXIO); 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate dstatep->oflag = 1; 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate return (0); 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate 235*0Sstevel@tonic-gate /*ARGSUSED*/ 236*0Sstevel@tonic-gate static int 237*0Sstevel@tonic-gate tcli_close(dev_t dev, int flag, int otyp, cred_t *cred) 238*0Sstevel@tonic-gate { 239*0Sstevel@tonic-gate struct dstate *dstatep; 240*0Sstevel@tonic-gate minor_t minor = getminor(dev); 241*0Sstevel@tonic-gate 242*0Sstevel@tonic-gate if (otyp != OTYP_BLK && otyp != OTYP_CHR) 243*0Sstevel@tonic-gate return (EINVAL); 244*0Sstevel@tonic-gate 245*0Sstevel@tonic-gate dstatep = ddi_get_soft_state(dstates, MINOR_TO_INST(minor)); 246*0Sstevel@tonic-gate 247*0Sstevel@tonic-gate if (dstatep == NULL) 248*0Sstevel@tonic-gate return (ENXIO); 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate dstatep->oflag = 0; 251*0Sstevel@tonic-gate 252*0Sstevel@tonic-gate return (0); 253*0Sstevel@tonic-gate } 254*0Sstevel@tonic-gate 255*0Sstevel@tonic-gate /*ARGSUSED*/ 256*0Sstevel@tonic-gate static int 257*0Sstevel@tonic-gate tcli_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 258*0Sstevel@tonic-gate int *rvalp) 259*0Sstevel@tonic-gate { 260*0Sstevel@tonic-gate struct dstate *dstatep; 261*0Sstevel@tonic-gate int instance; 262*0Sstevel@tonic-gate 263*0Sstevel@tonic-gate instance = MINOR_TO_INST(getminor(dev)); 264*0Sstevel@tonic-gate dstatep = ddi_get_soft_state(dstates, instance); 265*0Sstevel@tonic-gate 266*0Sstevel@tonic-gate if (dstatep == NULL) 267*0Sstevel@tonic-gate return (ENXIO); 268*0Sstevel@tonic-gate 269*0Sstevel@tonic-gate return (0); 270*0Sstevel@tonic-gate } 271*0Sstevel@tonic-gate 272*0Sstevel@tonic-gate /*ARGSUSED*/ 273*0Sstevel@tonic-gate static int 274*0Sstevel@tonic-gate tcli_read(dev_t dev, struct uio *uiop, cred_t *credp) 275*0Sstevel@tonic-gate { 276*0Sstevel@tonic-gate return (0); 277*0Sstevel@tonic-gate } 278*0Sstevel@tonic-gate 279*0Sstevel@tonic-gate /*ARGSUSED*/ 280*0Sstevel@tonic-gate static int 281*0Sstevel@tonic-gate tcli_write(dev_t dev, struct uio *uiop, cred_t *credp) 282*0Sstevel@tonic-gate { 283*0Sstevel@tonic-gate return (0); 284*0Sstevel@tonic-gate } 285