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 2005 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 * PCI nexus HotPlug devctl interface 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <sys/conf.h> 34*0Sstevel@tonic-gate #include <sys/kmem.h> 35*0Sstevel@tonic-gate #include <sys/async.h> 36*0Sstevel@tonic-gate #include <sys/sysmacros.h> 37*0Sstevel@tonic-gate #include <sys/sunddi.h> 38*0Sstevel@tonic-gate #include <sys/sunndi.h> 39*0Sstevel@tonic-gate #include <sys/ddi_impldefs.h> 40*0Sstevel@tonic-gate #include <sys/open.h> 41*0Sstevel@tonic-gate #include <sys/errno.h> 42*0Sstevel@tonic-gate #include <sys/file.h> 43*0Sstevel@tonic-gate #include <sys/hotplug/pci/pcihp.h> 44*0Sstevel@tonic-gate #include "px_obj.h" 45*0Sstevel@tonic-gate #include "px_tools.h" 46*0Sstevel@tonic-gate #include "pcie_pwr.h" 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate /*LINTLIBRARY*/ 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate static int px_open(dev_t *devp, int flags, int otyp, cred_t *credp); 51*0Sstevel@tonic-gate static int px_close(dev_t dev, int flags, int otyp, cred_t *credp); 52*0Sstevel@tonic-gate static int px_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, 53*0Sstevel@tonic-gate cred_t *credp, int *rvalp); 54*0Sstevel@tonic-gate static int px_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 55*0Sstevel@tonic-gate int flags, char *name, caddr_t valuep, int *lengthp); 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate struct cb_ops px_cb_ops = { 58*0Sstevel@tonic-gate px_open, /* open */ 59*0Sstevel@tonic-gate px_close, /* close */ 60*0Sstevel@tonic-gate nodev, /* strategy */ 61*0Sstevel@tonic-gate nodev, /* print */ 62*0Sstevel@tonic-gate nodev, /* dump */ 63*0Sstevel@tonic-gate nodev, /* read */ 64*0Sstevel@tonic-gate nodev, /* write */ 65*0Sstevel@tonic-gate px_ioctl, /* ioctl */ 66*0Sstevel@tonic-gate nodev, /* devmap */ 67*0Sstevel@tonic-gate nodev, /* mmap */ 68*0Sstevel@tonic-gate nodev, /* segmap */ 69*0Sstevel@tonic-gate nochpoll, /* poll */ 70*0Sstevel@tonic-gate px_prop_op, /* cb_prop_op */ 71*0Sstevel@tonic-gate NULL, /* streamtab */ 72*0Sstevel@tonic-gate D_NEW | D_MP | D_HOTPLUG, /* Driver compatibility flag */ 73*0Sstevel@tonic-gate CB_REV, /* rev */ 74*0Sstevel@tonic-gate nodev, /* int (*cb_aread)() */ 75*0Sstevel@tonic-gate nodev /* int (*cb_awrite)() */ 76*0Sstevel@tonic-gate }; 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* ARGSUSED3 */ 79*0Sstevel@tonic-gate static int 80*0Sstevel@tonic-gate px_open(dev_t *devp, int flags, int otyp, cred_t *credp) 81*0Sstevel@tonic-gate { 82*0Sstevel@tonic-gate px_t *px_p; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate /* 85*0Sstevel@tonic-gate * Make sure the open is for the right file type. 86*0Sstevel@tonic-gate */ 87*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 88*0Sstevel@tonic-gate return (EINVAL); 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate /* 91*0Sstevel@tonic-gate * Get the soft state structure for the device. 92*0Sstevel@tonic-gate */ 93*0Sstevel@tonic-gate px_p = DEV_TO_SOFTSTATE(*devp); 94*0Sstevel@tonic-gate if (px_p == NULL) 95*0Sstevel@tonic-gate return (ENXIO); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* 98*0Sstevel@tonic-gate * Handle the open by tracking the device state. 99*0Sstevel@tonic-gate */ 100*0Sstevel@tonic-gate DBG(DBG_OPEN, px_p->px_dip, "devp=%x: flags=%x\n", devp, flags); 101*0Sstevel@tonic-gate mutex_enter(&px_p->px_mutex); 102*0Sstevel@tonic-gate if (flags & FEXCL) { 103*0Sstevel@tonic-gate if (px_p->px_soft_state != PX_SOFT_STATE_CLOSED) { 104*0Sstevel@tonic-gate mutex_exit(&px_p->px_mutex); 105*0Sstevel@tonic-gate DBG(DBG_OPEN, px_p->px_dip, "busy\n"); 106*0Sstevel@tonic-gate return (EBUSY); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate px_p->px_soft_state = PX_SOFT_STATE_OPEN_EXCL; 109*0Sstevel@tonic-gate } else { 110*0Sstevel@tonic-gate if (px_p->px_soft_state == PX_SOFT_STATE_OPEN_EXCL) { 111*0Sstevel@tonic-gate mutex_exit(&px_p->px_mutex); 112*0Sstevel@tonic-gate DBG(DBG_OPEN, px_p->px_dip, "busy\n"); 113*0Sstevel@tonic-gate return (EBUSY); 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate px_p->px_soft_state = PX_SOFT_STATE_OPEN; 116*0Sstevel@tonic-gate } 117*0Sstevel@tonic-gate px_p->px_open_count++; 118*0Sstevel@tonic-gate mutex_exit(&px_p->px_mutex); 119*0Sstevel@tonic-gate return (0); 120*0Sstevel@tonic-gate } 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate /* ARGSUSED */ 124*0Sstevel@tonic-gate static int 125*0Sstevel@tonic-gate px_close(dev_t dev, int flags, int otyp, cred_t *credp) 126*0Sstevel@tonic-gate { 127*0Sstevel@tonic-gate px_t *px_p; 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 130*0Sstevel@tonic-gate return (EINVAL); 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate px_p = DEV_TO_SOFTSTATE(dev); 133*0Sstevel@tonic-gate if (px_p == NULL) 134*0Sstevel@tonic-gate return (ENXIO); 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate DBG(DBG_CLOSE, px_p->px_dip, "dev=%x: flags=%x\n", dev, flags); 137*0Sstevel@tonic-gate mutex_enter(&px_p->px_mutex); 138*0Sstevel@tonic-gate px_p->px_soft_state = PX_SOFT_STATE_CLOSED; 139*0Sstevel@tonic-gate px_p->px_open_count = 0; 140*0Sstevel@tonic-gate mutex_exit(&px_p->px_mutex); 141*0Sstevel@tonic-gate return (0); 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate /* ARGSUSED */ 145*0Sstevel@tonic-gate static int 146*0Sstevel@tonic-gate px_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp) 147*0Sstevel@tonic-gate { 148*0Sstevel@tonic-gate px_t *px_p; 149*0Sstevel@tonic-gate dev_info_t *dip; 150*0Sstevel@tonic-gate struct devctl_iocdata *dcp; 151*0Sstevel@tonic-gate uint_t bus_state; 152*0Sstevel@tonic-gate int rv = DDI_SUCCESS; 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate px_p = DEV_TO_SOFTSTATE(dev); 155*0Sstevel@tonic-gate if (px_p == NULL) 156*0Sstevel@tonic-gate return (ENXIO); 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate dip = px_p->px_dip; 159*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "dev=%x: cmd=%x\n", dev, cmd); 160*0Sstevel@tonic-gate #ifdef PX_DMA_TEST 161*0Sstevel@tonic-gate if (IS_DMATEST(cmd)) { 162*0Sstevel@tonic-gate *rvalp = px_dma_test(cmd, dip, px_p, arg); 163*0Sstevel@tonic-gate return (0); 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate #endif /* PX_DMA_TEST */ 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate /* 168*0Sstevel@tonic-gate * PCI tools. 169*0Sstevel@tonic-gate */ 170*0Sstevel@tonic-gate 171*0Sstevel@tonic-gate if ((cmd & ~IOCPARM_MASK) == PCITOOL_IOC || 172*0Sstevel@tonic-gate (cmd & ~PPMREQ_MASK) == PPMREQ) { 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate /* Need privileges to use these ioctls. */ 175*0Sstevel@tonic-gate if (drv_priv(credp)) { 176*0Sstevel@tonic-gate DBG(DBG_TOOLS, dip, 177*0Sstevel@tonic-gate "px_tools: Insufficient privileges\n"); 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate return (EPERM); 180*0Sstevel@tonic-gate } 181*0Sstevel@tonic-gate } 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate switch (cmd) { 184*0Sstevel@tonic-gate case PCITOOL_DEVICE_GET_REG: 185*0Sstevel@tonic-gate case PCITOOL_DEVICE_SET_REG: 186*0Sstevel@tonic-gate rv = px_lib_tools_dev_reg_ops(dip, (void *)arg, cmd, mode); 187*0Sstevel@tonic-gate return (rv); 188*0Sstevel@tonic-gate case PCITOOL_NEXUS_SET_REG: 189*0Sstevel@tonic-gate case PCITOOL_NEXUS_GET_REG: 190*0Sstevel@tonic-gate rv = px_lib_tools_bus_reg_ops(dip, (void *)arg, cmd, mode); 191*0Sstevel@tonic-gate return (rv); 192*0Sstevel@tonic-gate case PCITOOL_DEVICE_GET_INTR: 193*0Sstevel@tonic-gate case PCITOOL_DEVICE_SET_INTR: 194*0Sstevel@tonic-gate case PCITOOL_DEVICE_NUM_INTR: 195*0Sstevel@tonic-gate rv = px_lib_tools_intr_admn(dip, (void *)arg, cmd, mode); 196*0Sstevel@tonic-gate return (rv); 197*0Sstevel@tonic-gate default: 198*0Sstevel@tonic-gate break; 199*0Sstevel@tonic-gate 200*0Sstevel@tonic-gate } 201*0Sstevel@tonic-gate 202*0Sstevel@tonic-gate if ((cmd & ~PPMREQ_MASK) == PPMREQ) 203*0Sstevel@tonic-gate return (px_lib_pmctl(cmd, px_p)); 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* 206*0Sstevel@tonic-gate * We can use the generic implementation for these ioctls 207*0Sstevel@tonic-gate */ 208*0Sstevel@tonic-gate switch (cmd) { 209*0Sstevel@tonic-gate case DEVCTL_DEVICE_GETSTATE: 210*0Sstevel@tonic-gate case DEVCTL_DEVICE_ONLINE: 211*0Sstevel@tonic-gate case DEVCTL_DEVICE_OFFLINE: 212*0Sstevel@tonic-gate case DEVCTL_BUS_GETSTATE: 213*0Sstevel@tonic-gate return (ndi_devctl_ioctl(dip, cmd, arg, mode, 0)); 214*0Sstevel@tonic-gate } 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate /* 217*0Sstevel@tonic-gate * read devctl ioctl data 218*0Sstevel@tonic-gate */ 219*0Sstevel@tonic-gate if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 220*0Sstevel@tonic-gate return (EFAULT); 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate switch (cmd) { 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate case DEVCTL_DEVICE_RESET: 225*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "DEVCTL_DEVICE_RESET\n"); 226*0Sstevel@tonic-gate rv = ENOTSUP; 227*0Sstevel@tonic-gate break; 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate case DEVCTL_BUS_QUIESCE: 231*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "DEVCTL_BUS_QUIESCE\n"); 232*0Sstevel@tonic-gate if (ndi_get_bus_state(dip, &bus_state) == NDI_SUCCESS) 233*0Sstevel@tonic-gate if (bus_state == BUS_QUIESCED) 234*0Sstevel@tonic-gate break; 235*0Sstevel@tonic-gate (void) ndi_set_bus_state(dip, BUS_QUIESCED); 236*0Sstevel@tonic-gate break; 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate case DEVCTL_BUS_UNQUIESCE: 239*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "DEVCTL_BUS_UNQUIESCE\n"); 240*0Sstevel@tonic-gate if (ndi_get_bus_state(dip, &bus_state) == NDI_SUCCESS) 241*0Sstevel@tonic-gate if (bus_state == BUS_ACTIVE) 242*0Sstevel@tonic-gate break; 243*0Sstevel@tonic-gate (void) ndi_set_bus_state(dip, BUS_ACTIVE); 244*0Sstevel@tonic-gate break; 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate case DEVCTL_BUS_RESET: 247*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "DEVCTL_BUS_RESET\n"); 248*0Sstevel@tonic-gate rv = ENOTSUP; 249*0Sstevel@tonic-gate break; 250*0Sstevel@tonic-gate 251*0Sstevel@tonic-gate case DEVCTL_BUS_RESETALL: 252*0Sstevel@tonic-gate DBG(DBG_IOCTL, dip, "DEVCTL_BUS_RESETALL\n"); 253*0Sstevel@tonic-gate rv = ENOTSUP; 254*0Sstevel@tonic-gate break; 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate default: 257*0Sstevel@tonic-gate rv = ENOTTY; 258*0Sstevel@tonic-gate } 259*0Sstevel@tonic-gate 260*0Sstevel@tonic-gate ndi_dc_freehdl(dcp); 261*0Sstevel@tonic-gate return (rv); 262*0Sstevel@tonic-gate } 263*0Sstevel@tonic-gate 264*0Sstevel@tonic-gate static int px_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 265*0Sstevel@tonic-gate int flags, char *name, caddr_t valuep, int *lengthp) 266*0Sstevel@tonic-gate { 267*0Sstevel@tonic-gate if (ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 268*0Sstevel@tonic-gate "hotplug-capable")) 269*0Sstevel@tonic-gate return ((pcihp_get_cb_ops())->cb_prop_op(dev, dip, 270*0Sstevel@tonic-gate prop_op, flags, name, valuep, lengthp)); 271*0Sstevel@tonic-gate 272*0Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, flags, name, valuep, lengthp)); 273*0Sstevel@tonic-gate } 274