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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_SUNMDI_H 27 #define _SYS_SUNMDI_H 28 29 /* 30 * Multiplexed I/O global include 31 */ 32 33 #include <sys/note.h> 34 #include <sys/esunddi.h> 35 #include <sys/sunddi.h> 36 #include <sys/ddipropdefs.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * Most MDI functions return success or failure 44 */ 45 #define MDI_SUCCESS 0 /* Call Success */ 46 #define MDI_FAILURE -1 /* Unspecified Error */ 47 #define MDI_NOMEM -2 /* No resources available */ 48 #define MDI_ACCEPT -3 /* Request accepted */ 49 #define MDI_BUSY -4 /* Busy */ 50 #define MDI_NOPATH -5 /* No more paths are available */ 51 #define MDI_EINVAL -6 /* Invalid parameter */ 52 #define MDI_NOT_SUPPORTED -8 /* Device not supported */ 53 #define MDI_DEVI_ONLINING -9 /* Devi is onlining */ 54 55 /* 56 * handle to mdi_pathinfo node 57 */ 58 typedef struct x_mdi_pathinfo *mdi_pathinfo_t; 59 60 /* 61 * Path info node state definitions 62 */ 63 typedef enum { 64 MDI_PATHINFO_STATE_INIT, 65 MDI_PATHINFO_STATE_ONLINE, 66 MDI_PATHINFO_STATE_STANDBY, 67 MDI_PATHINFO_STATE_FAULT, 68 MDI_PATHINFO_STATE_OFFLINE 69 } mdi_pathinfo_state_t; 70 71 /* 72 * MDI vHCI class definitions 73 */ 74 #define MDI_HCI_CLASS_SCSI "scsi_vhci" 75 #define MDI_HCI_CLASS_IB "ib" 76 77 #ifdef _KERNEL 78 79 /* 80 * mpxio component definitions: Every registered component of the 81 * mpxio system has a "mpxio-component" property attached to it. 82 * Identify its function 83 */ 84 #define MDI_COMPONENT_NONE 0 85 #define MDI_COMPONENT_VHCI 0x1 86 #define MDI_COMPONENT_PHCI 0x2 87 #define MDI_COMPONENT_CLIENT 0x4 88 89 /* 90 * mdi_pathinfo node state utility definitions 91 */ 92 #define MDI_PATHINFO_STATE_TRANSIENT 0x00010000 93 #define MDI_PATHINFO_STATE_USER_DISABLE 0x00100000 94 #define MDI_PATHINFO_STATE_DRV_DISABLE 0x00200000 95 #define MDI_PATHINFO_STATE_DRV_DISABLE_TRANSIENT 0x00400000 96 #define MDI_PATHINFO_STATE_MASK 0x0000FFFF 97 #define MDI_PATHINFO_EXT_STATE_MASK 0xFFF00000 98 99 #define USER_DISABLE 1 100 #define DRIVER_DISABLE 2 101 #define DRIVER_DISABLE_TRANSIENT 3 102 103 104 /* 105 * Most MDI functions return success or failure 106 */ 107 #define MDI_SUCCESS 0 /* Call Success */ 108 #define MDI_FAILURE -1 /* Unspecified Error */ 109 #define MDI_NOMEM -2 /* No resources available */ 110 #define MDI_ACCEPT -3 /* Request accepted */ 111 #define MDI_BUSY -4 /* Busy */ 112 #define MDI_NOPATH -5 /* No more paths are available */ 113 #define MDI_EINVAL -6 /* Invalid parameter */ 114 #define MDI_NOT_SUPPORTED -8 /* Device not supported */ 115 #define MDI_DEVI_ONLINING -9 /* Devi is onlining */ 116 117 /* 118 * MDI operation vector structure definition 119 */ 120 #define MDI_OPS_REV_1 1 121 #define MDI_OPS_REV MDI_OPS_REV_1 122 123 #define MDI_VHCI(dip) (DEVI(dip)->devi_mdi_component & MDI_COMPONENT_VHCI) 124 #define MDI_PHCI(dip) (DEVI(dip)->devi_mdi_component & MDI_COMPONENT_PHCI) 125 #define MDI_CLIENT(dip) (DEVI(dip)->devi_mdi_component & MDI_COMPONENT_CLIENT) 126 127 /* 128 * MDI device hotplug notification 129 */ 130 int mdi_devi_online(dev_info_t *, uint_t); 131 int mdi_devi_offline(dev_info_t *, uint_t); 132 133 /* 134 * MDI path retire interfaces 135 */ 136 void mdi_phci_mark_retiring(dev_info_t *dip, char **cons_array); 137 void mdi_phci_retire_notify(dev_info_t *dip, int *constraint); 138 void mdi_phci_retire_finalize(dev_info_t *dip, int phci_only); 139 void mdi_phci_unretire(dev_info_t *dip); 140 141 /* 142 * MDI devinfo locking functions. 143 */ 144 void mdi_devi_enter(dev_info_t *, int *); 145 int mdi_devi_tryenter(dev_info_t *, int *); 146 void mdi_devi_exit_phci(dev_info_t *, int); 147 void mdi_devi_enter_phci(dev_info_t *, int *); 148 void mdi_devi_exit(dev_info_t *, int); 149 150 /* 151 * MDI device support functions. 152 */ 153 dev_info_t *mdi_devi_get_vdip(dev_info_t *); 154 int mdi_devi_pdip_entered(dev_info_t *); 155 156 /* 157 * MDI component device instance attach/detach notification 158 */ 159 int mdi_pre_attach(dev_info_t *, ddi_attach_cmd_t); 160 void mdi_post_attach(dev_info_t *, ddi_attach_cmd_t, int); 161 int mdi_pre_detach(dev_info_t *, ddi_detach_cmd_t); 162 void mdi_post_detach(dev_info_t *, ddi_detach_cmd_t, int); 163 164 /* 165 * mdi_pathinfo management functions. 166 * 167 * Find, allocate and Free functions. 168 */ 169 mdi_pathinfo_t *mdi_pi_find(dev_info_t *, char *, char *); 170 int mdi_pi_alloc(dev_info_t *, char *, char *, char *, int, mdi_pathinfo_t **); 171 int mdi_pi_alloc_compatible(dev_info_t *, char *, char *, char *, 172 char **, int, int, mdi_pathinfo_t **); 173 int mdi_pi_free(mdi_pathinfo_t *, int); 174 175 void mdi_hold_path(mdi_pathinfo_t *); 176 void mdi_rele_path(mdi_pathinfo_t *); 177 178 /* 179 * mdi_pathinfo node state change functions. 180 */ 181 int mdi_pi_online(mdi_pathinfo_t *, int); 182 int mdi_pi_standby(mdi_pathinfo_t *, int); 183 int mdi_pi_fault(mdi_pathinfo_t *, int); 184 int mdi_pi_offline(mdi_pathinfo_t *, int); 185 /* 186 * NOTE: the next 2 interfaces will be removed once the NWS files are 187 * changed to use the new mdi_{enable,disable}_path interfaces 188 */ 189 int mdi_pi_disable(dev_info_t *, dev_info_t *, int); 190 int mdi_pi_enable(dev_info_t *, dev_info_t *, int); 191 int mdi_pi_disable_path(mdi_pathinfo_t *, int); 192 int mdi_pi_enable_path(mdi_pathinfo_t *, int); 193 194 /* 195 * MPxIO-PM stuff 196 */ 197 typedef enum { 198 MDI_PM_PRE_CONFIG = 0, 199 MDI_PM_POST_CONFIG, 200 MDI_PM_PRE_UNCONFIG, 201 MDI_PM_POST_UNCONFIG, 202 MDI_PM_HOLD_POWER, 203 MDI_PM_RELE_POWER 204 } mdi_pm_op_t; 205 206 int 207 mdi_bus_power(dev_info_t *, void *, pm_bus_power_op_t, void *, void *); 208 209 int 210 mdi_power(dev_info_t *, mdi_pm_op_t, void *, char *, int); 211 212 /* 213 * mdi_pathinfo node walker function. 214 */ 215 int mdi_component_is_vhci(dev_info_t *, const char **); 216 int mdi_component_is_phci(dev_info_t *, const char **); 217 int mdi_component_is_client(dev_info_t *, const char **); 218 mdi_pathinfo_t *mdi_get_next_phci_path(dev_info_t *, mdi_pathinfo_t *); 219 mdi_pathinfo_t *mdi_get_next_client_path(dev_info_t *, mdi_pathinfo_t *); 220 221 /* 222 * mdi_pathinfo node member functions 223 */ 224 void mdi_pi_lock(mdi_pathinfo_t *); 225 void mdi_pi_unlock(mdi_pathinfo_t *); 226 dev_info_t *mdi_pi_get_client(mdi_pathinfo_t *); 227 dev_info_t *mdi_pi_get_phci(mdi_pathinfo_t *); 228 char *mdi_pi_get_node_name(mdi_pathinfo_t *); 229 char *mdi_pi_get_addr(mdi_pathinfo_t *); 230 mdi_pathinfo_state_t mdi_pi_get_state(mdi_pathinfo_t *); 231 int mdi_pi_get_path_instance(mdi_pathinfo_t *); 232 char *mdi_pi_pathname_by_instance(int path_instance); 233 char *mdi_pi_pathname(mdi_pathinfo_t *); 234 char *mdi_pi_pathname_obp(mdi_pathinfo_t *, char *); 235 int mdi_pi_pathname_obp_set(mdi_pathinfo_t *, char *); 236 237 /* 238 * mdi_pathinfo Property handling functions 239 */ 240 int mdi_prop_remove(mdi_pathinfo_t *, char *); 241 int mdi_prop_update_byte_array(mdi_pathinfo_t *, char *, uchar_t *, uint_t); 242 int mdi_prop_update_int(mdi_pathinfo_t *, char *, int); 243 int mdi_prop_update_int64(mdi_pathinfo_t *, char *, int64_t); 244 int mdi_prop_update_int_array(mdi_pathinfo_t *, char *, int *, uint_t); 245 int mdi_prop_update_string(mdi_pathinfo_t *, char *, char *); 246 int mdi_prop_update_string_array(mdi_pathinfo_t *, char *, char **, uint_t); 247 nvpair_t *mdi_pi_get_next_prop(mdi_pathinfo_t *, nvpair_t *); 248 249 int mdi_prop_lookup_byte_array(mdi_pathinfo_t *, char *, uchar_t **, uint_t *); 250 int mdi_prop_lookup_int(mdi_pathinfo_t *, char *, int *); 251 int mdi_prop_lookup_int64(mdi_pathinfo_t *, char *, int64_t *); 252 int mdi_prop_lookup_int_array(mdi_pathinfo_t *, char *, int **, uint_t *); 253 int mdi_prop_lookup_string(mdi_pathinfo_t *, char *, char **); 254 int mdi_prop_lookup_string_array(mdi_pathinfo_t *, char *, char ***, uint_t *); 255 int mdi_prop_free(void *); 256 257 /* 258 * pHCI driver instance registration/unregistration 259 * 260 * mdi_phci_register() is called by a pHCI drivers to register itself as a 261 * transport provider for a specific 'class' (see mdi_vhci_register() above); 262 * it should be called from attach(9e). 263 * 264 * mdi_phci_unregister() is called from detach(9e) to unregister a pHCI 265 * instance from the framework. 266 */ 267 int mdi_phci_register(char *, dev_info_t *, int); 268 int mdi_phci_unregister(dev_info_t *, int); 269 270 /* get set phci private data */ 271 caddr_t mdi_pi_get_phci_private(mdi_pathinfo_t *); 272 void mdi_pi_set_phci_private(mdi_pathinfo_t *, caddr_t); 273 274 int mdi_vhci_bus_config(dev_info_t *, uint_t, ddi_bus_config_op_t, void *, 275 dev_info_t **, char *); 276 277 /* 278 * mdi_vhci node walker function 279 */ 280 void mdi_walk_vhcis(int (*f)(dev_info_t *, void *), void *arg); 281 282 /* 283 * mdi_phci node walker function 284 */ 285 void mdi_vhci_walk_phcis(dev_info_t *, int (*f)(dev_info_t *, void *), 286 void *arg); 287 288 /* 289 * mdi_client node walker function 290 */ 291 void mdi_vhci_walk_clients(dev_info_t *, int (*f)(dev_info_t *, void *), 292 void *arg); 293 294 /* 295 * MDI PHCI driver list helper functions 296 */ 297 char **mdi_get_phci_driver_list(char *vhci_class, int *ndrivers); 298 void mdi_free_phci_driver_list(char **driver_list, int ndrivers); 299 300 #endif /* _KERNEL */ 301 302 #ifdef __cplusplus 303 } 304 #endif 305 306 #endif /* _SYS_SUNMDI_H */ 307