| ctl_frontend.c (268683) | ctl_frontend.c (268692) |
|---|---|
| 1/*- 2 * Copyright (c) 2003 Silicon Graphics International Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 22 unchanged lines hidden (view full) --- 31 */ 32/* 33 * CAM Target Layer front end interface code 34 * 35 * Author: Ken Merry <ken@FreeBSD.org> 36 */ 37 38#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2003 Silicon Graphics International Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 22 unchanged lines hidden (view full) --- 31 */ 32/* 33 * CAM Target Layer front end interface code 34 * 35 * Author: Ken Merry <ken@FreeBSD.org> 36 */ 37 38#include <sys/cdefs.h> |
| 39__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/ctl_frontend.c 268683 2014-07-15 17:06:10Z mav $"); | 39__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/ctl_frontend.c 268692 2014-07-15 17:14:53Z mav $"); |
| 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/kernel.h> 44#include <sys/types.h> 45#include <sys/malloc.h> 46#include <sys/lock.h> 47#include <sys/mutex.h> --- 105 unchanged lines hidden (view full) --- 153 port->targ_port = -1; 154 mtx_unlock(&control_softc->ctl_lock); 155 return (1); 156 } 157 control_softc->num_ports++; 158 mtx_unlock(&control_softc->ctl_lock); 159 160 /* | 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/kernel.h> 44#include <sys/types.h> 45#include <sys/malloc.h> 46#include <sys/lock.h> 47#include <sys/mutex.h> --- 105 unchanged lines hidden (view full) --- 153 port->targ_port = -1; 154 mtx_unlock(&control_softc->ctl_lock); 155 return (1); 156 } 157 control_softc->num_ports++; 158 mtx_unlock(&control_softc->ctl_lock); 159 160 /* |
| 161 * Initialize the initiator and portname mappings 162 */ 163 port->max_initiators = CTL_MAX_INIT_PER_PORT; 164 port->wwpn_iid = malloc(sizeof(*port->wwpn_iid) * port->max_initiators, 165 M_CTL, M_NOWAIT | M_ZERO); 166 if (port->wwpn_iid == NULL) { 167 retval = ENOMEM; 168 goto error; 169 } 170 171 /* |
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| 161 * We add 20 to whatever the caller requests, so he doesn't get 162 * burned by queueing things back to the pending sense queue. In 163 * theory, there should probably only be one outstanding item, at 164 * most, on the pending sense queue for a LUN. We'll clear the 165 * pending sense queue on the next command, whether or not it is 166 * a REQUEST SENSE. 167 */ 168 retval = ctl_pool_create(control_softc, CTL_POOL_FETD, 169 port->num_requested_ctl_io + 20, &pool); 170 if (retval != 0) { | 172 * We add 20 to whatever the caller requests, so he doesn't get 173 * burned by queueing things back to the pending sense queue. In 174 * theory, there should probably only be one outstanding item, at 175 * most, on the pending sense queue for a LUN. We'll clear the 176 * pending sense queue on the next command, whether or not it is 177 * a REQUEST SENSE. 178 */ 179 retval = ctl_pool_create(control_softc, CTL_POOL_FETD, 180 port->num_requested_ctl_io + 20, &pool); 181 if (retval != 0) { |
| 182 free(port->wwpn_iid, M_CTL); 183error: |
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| 171 port->targ_port = -1; 172 mtx_lock(&control_softc->ctl_lock); 173 ctl_clear_mask(&control_softc->ctl_port_mask, port_num); 174 mtx_unlock(&control_softc->ctl_lock); 175 return (retval); 176 } 177 port->ctl_pool_ref = pool; 178 179 if (port->options.stqh_first == NULL) 180 STAILQ_INIT(&port->options); 181 182 mtx_lock(&control_softc->ctl_lock); 183 port->targ_port = port_num + (master_shelf != 0 ? 0 : CTL_MAX_PORTS); | 184 port->targ_port = -1; 185 mtx_lock(&control_softc->ctl_lock); 186 ctl_clear_mask(&control_softc->ctl_port_mask, port_num); 187 mtx_unlock(&control_softc->ctl_lock); 188 return (retval); 189 } 190 port->ctl_pool_ref = pool; 191 192 if (port->options.stqh_first == NULL) 193 STAILQ_INIT(&port->options); 194 195 mtx_lock(&control_softc->ctl_lock); 196 port->targ_port = port_num + (master_shelf != 0 ? 0 : CTL_MAX_PORTS); |
| 184 port->max_initiators = CTL_MAX_INIT_PER_PORT; | |
| 185 STAILQ_INSERT_TAIL(&port->frontend->port_list, port, fe_links); 186 STAILQ_INSERT_TAIL(&control_softc->port_list, port, links); 187 control_softc->ctl_ports[port_num] = port; 188 mtx_unlock(&control_softc->ctl_lock); 189 190 return (retval); 191} 192 193int 194ctl_port_deregister(struct ctl_port *port) 195{ 196 struct ctl_io_pool *pool; | 197 STAILQ_INSERT_TAIL(&port->frontend->port_list, port, fe_links); 198 STAILQ_INSERT_TAIL(&control_softc->port_list, port, links); 199 control_softc->ctl_ports[port_num] = port; 200 mtx_unlock(&control_softc->ctl_lock); 201 202 return (retval); 203} 204 205int 206ctl_port_deregister(struct ctl_port *port) 207{ 208 struct ctl_io_pool *pool; |
| 197 int port_num; 198 int retval; | 209 int port_num, retval, i; |
| 199 200 retval = 0; 201 202 pool = (struct ctl_io_pool *)port->ctl_pool_ref; 203 204 if (port->targ_port == -1) { 205 retval = 1; 206 goto bailout; --- 11 unchanged lines hidden (view full) --- 218 219 ctl_pool_free(pool); 220 ctl_free_opts(&port->options); 221 222 free(port->port_devid, M_CTL); 223 port->port_devid = NULL; 224 free(port->target_devid, M_CTL); 225 port->target_devid = NULL; | 210 211 retval = 0; 212 213 pool = (struct ctl_io_pool *)port->ctl_pool_ref; 214 215 if (port->targ_port == -1) { 216 retval = 1; 217 goto bailout; --- 11 unchanged lines hidden (view full) --- 229 230 ctl_pool_free(pool); 231 ctl_free_opts(&port->options); 232 233 free(port->port_devid, M_CTL); 234 port->port_devid = NULL; 235 free(port->target_devid, M_CTL); 236 port->target_devid = NULL; |
| 237 for (i = 0; i < port->max_initiators; i++) 238 free(port->wwpn_iid[i].name, M_CTL); 239 free(port->wwpn_iid, M_CTL); |
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| 226 227bailout: 228 return (retval); 229} 230 231void 232ctl_port_set_wwns(struct ctl_port *port, int wwnn_valid, uint64_t wwnn, 233 int wwpn_valid, uint64_t wwpn) --- 65 unchanged lines hidden --- | 240 241bailout: 242 return (retval); 243} 244 245void 246ctl_port_set_wwns(struct ctl_port *port, int wwnn_valid, uint64_t wwnn, 247 int wwpn_valid, uint64_t wwpn) --- 65 unchanged lines hidden --- |