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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_IB_IBNEX_IBNEX_H 27 #define _SYS_IB_IBNEX_IBNEX_H 28 29 /* 30 * ibnex.h 31 * This file contains defines and structures used within the IB Nexus 32 */ 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <sys/sunndi.h> 39 40 /* Defines for return codes within the IB nexus driver */ 41 typedef enum { 42 IBNEX_SUCCESS = 0, 43 IBNEX_FAILURE = -1, 44 IBNEX_OFFLINE_FAILED = -2, 45 IBNEX_BUSY = -3, 46 IBNEX_INVALID_NODE = -4 47 } ibnex_rval_t; 48 49 #define IBNEX_IOC_GUID_LEN 33 50 #define IBNEX_PHCI_GUID_LEN 66 51 52 /* IOC device node specific data */ 53 typedef struct ibnex_ioc_node_s { 54 ib_guid_t iou_guid; /* GUID of the IOU */ 55 ib_guid_t ioc_guid; /* GUID of the IOC */ 56 char ioc_id_string[IB_DM_IOC_ID_STRING_LEN]; 57 uint32_t ioc_ngids; 58 /* This field will be non NULL only for diconnected IOCs */ 59 ib_dm_ioc_ctrl_profile_t *ioc_profile; 60 char ioc_guid_str[IBNEX_IOC_GUID_LEN]; 61 char ioc_phci_guid[IBNEX_PHCI_GUID_LEN]; 62 } ibnex_ioc_node_t; 63 64 /* DLPI device node specific data */ 65 typedef struct ibnex_port_node_s { 66 uint8_t port_num; 67 int port_commsvc_idx; 68 ib_guid_t port_guid; 69 ib_guid_t port_hcaguid; 70 ib_pkey_t port_pkey; 71 dev_info_t *port_pdip; 72 } ibnex_port_node_t; 73 74 /* Pseudo device node specific data */ 75 typedef struct ibnex_pseudo_node_s { 76 char *pseudo_node_addr; /* node addr of drvr */ 77 char *pseudo_unit_addr; /* unit addr of drvr */ 78 int pseudo_unit_addr_len; /* unit addr len */ 79 char *pseudo_devi_name; /* name of driver */ 80 int pseudo_merge_node; /* merge node */ 81 } ibnex_pseudo_node_t; 82 83 /* 84 * Defines for Child device node types. Note that these values are also 85 * in use by usr/src/lib/cfgadm_plugins/ib/common/cfga_ib.h. 86 * Any changes to these need to be reflected in that file as well. 87 */ 88 typedef enum { 89 IBNEX_PORT_COMMSVC_NODE, 90 IBNEX_VPPA_COMMSVC_NODE, 91 IBNEX_HCASVC_COMMSVC_NODE, 92 IBNEX_IOC_NODE, 93 IBNEX_PSEUDO_NODE 94 } ibnex_node_type_t; 95 96 97 /* 98 * Defines for Child device node state: 99 * 100 * By default the node is set to CONFIGURED state. 101 * CONFIGURED:---(bus_config/cfgadm configure)---->CONFIGURED 102 * CONFIGURED:----(cfgadm unconfigure:success)--->UNCONFIGURED 103 * CONFIGURED:----(cfgadm unconfigure:fail)--->still CONFIGURED 104 * UNCONFIGURED:----(cfgadm configure:success)--->CONFIGURED 105 * 106 * We maintain two additional states: 107 * CONFIGURING:---(bus_config/cfgadm configure in progress 108 * UNCONFIGURING:--(cfgadm unconfigure in progress) 109 * This is maintained to avoid race conditions between multiple cfgadm 110 * operations. 111 */ 112 typedef enum ibnex_node_state_e { 113 IBNEX_CFGADM_CONFIGURED, /* node is "configured" */ 114 IBNEX_CFGADM_UNCONFIGURED, /* node is "unconfigured" */ 115 IBNEX_CFGADM_CONFIGURING, /* node getting configured */ 116 IBNEX_CFGADM_UNCONFIGURING /* node getting unconfigured */ 117 } ibnex_node_state_t; 118 119 /* 120 * Defines for reprobe_state: 121 * IBNEX_NODE_REPROBE_NOTIFY_ON_UPDATE 122 * Reprobe and notify if there is a property update 123 * IBNEX_NODE_REPROBE_NOTIFY_ALWAYS 124 * Reprobe and notify always. 125 * IBNEX_NODE_REPROBE_IOC_WAIT 126 * Reprobe for IOC apid waiting 127 * 128 * Device reprobes triggered by ibt_reprobe_dev will result in an DDI 129 * event, even though no prepoerties have changed. 130 */ 131 132 /* 133 * Defines for node_ap_state: 134 * IBNEX_NODE_AP_CONFIGURED 135 * this node was not unconfigured by cfgadm. 136 * IBNEX_NODE_AP_UNCONFIGURED 137 * this node has been unconfigured by cfgadm. 138 * IBNEX_NODE_AP_CONFIGURING 139 * this node is being configured by cfgadm 140 */ 141 #define IBNEX_NODE_AP_CONFIGURED 0x0 142 #define IBNEX_NODE_AP_UNCONFIGURED 0x1 143 #define IBNEX_NODE_AP_CONFIGURING 0x2 144 145 #define IBNEX_NODE_REPROBE_NOTIFY_ON_UPDATE 0x01 146 #define IBNEX_NODE_REPROBE_NOTIFY_ALWAYS 0x02 147 #define IBNEX_NODE_REPROBE_IOC_WAIT 0x04 148 149 /* Node specific information, stored as dev_info_t private data */ 150 typedef struct ibnex_node_data_s { 151 dev_info_t *node_dip; 152 union { 153 ibnex_ioc_node_t ioc_node; 154 ibnex_port_node_t port_node; 155 ibnex_pseudo_node_t pseudo_node; 156 } node_data; 157 struct ibnex_node_data_s *node_next; 158 struct ibnex_node_data_s *node_prev; 159 ibnex_node_type_t node_type; 160 ibnex_node_state_t node_state; 161 int node_reprobe_state; /* Node reprobe flag */ 162 unsigned int node_ap_state; 163 } ibnex_node_data_t; 164 165 /* 166 * The fields of IOC and Port node are initialized when the 167 * device node is created. These are read only for the rest 168 * of the IBnexus driver. 169 */ 170 _NOTE(SCHEME_PROTECTS_DATA("stable data", ibnex_ioc_node_s)) 171 _NOTE(SCHEME_PROTECTS_DATA("stable data", ibnex_port_node_s)) 172 _NOTE(SCHEME_PROTECTS_DATA("stable data", ibnex_pseudo_node_s)) 173 _NOTE(SCHEME_PROTECTS_DATA("stable data", ibnex_node_data_s)) 174 175 #define IBNEX_VALID_NODE_TYPE(n) \ 176 (((n)->node_type == IBNEX_PORT_COMMSVC_NODE) || \ 177 ((n)->node_type == IBNEX_VPPA_COMMSVC_NODE) || \ 178 ((n)->node_type == IBNEX_HCASVC_COMMSVC_NODE) || \ 179 ((n)->node_type == IBNEX_IOC_NODE) || \ 180 ((n)->node_type == IBNEX_PSEUDO_NODE)) 181 182 #define IBNEX_COMMSVC_NODE_TYPE(n) \ 183 (((n)->node_type == IBNEX_PORT_COMMSVC_NODE) || \ 184 ((n)->node_type == IBNEX_VPPA_COMMSVC_NODE) || \ 185 ((n)->node_type == IBNEX_HCASVC_COMMSVC_NODE)) 186 187 /* 188 * Definition for the IB nexus global per-instance structure. 189 * IB nexus supports only one instance. 190 */ 191 typedef struct ibnex_s { 192 dev_info_t *ibnex_dip; 193 kmutex_t ibnex_mutex; 194 int ibnex_num_comm_svcs; 195 char **ibnex_comm_svc_names; 196 int ibnex_nvppa_comm_svcs; 197 char **ibnex_vppa_comm_svc_names; 198 int ibnex_nhcasvc_comm_svcs; 199 char **ibnex_hcasvc_comm_svc_names; 200 ibnex_node_data_t *ibnex_port_node_head; 201 ibnex_node_data_t *ibnex_ioc_node_head; 202 ibnex_node_data_t *ibnex_pseudo_node_head; 203 204 /* 205 * NDI Event handle for -all- ibnexus events 206 * Event Cookie for IB_PROP_UPDATE_EVENT event 207 */ 208 ndi_event_hdl_t ibnex_ndi_event_hdl; 209 ddi_eventcookie_t ibnex_prop_update_evt_cookie; 210 211 /* Flags & condition variables for reprobe handling */ 212 int ibnex_reprobe_state; 213 kcondvar_t ibnex_reprobe_cv; 214 215 /* Count of disconnected IOCs still configured */ 216 int ibnex_num_disconnect_iocs; 217 218 /* Pseudo nodes inited from ibnex_get_snapshot? */ 219 int ibnex_pseudo_inited; 220 ibdm_ioc_info_t *ibnex_ioc_list; 221 } ibnex_t; 222 223 /* 224 * States for ibnex_reprobe_state 225 * 0 to REPROBE_ALL_PROGRESS 226 * Reprobe all when no reprobes pending 227 * REPROBE_ALL_PROGRESS to REPROBE_ALL_WAIT 228 * Reprobe all request when another in progress 229 * 0 to REPROBE_IOC_WAIT 230 * Waiting for One or more reprobe_ioc to complete 231 * 232 * Reprobe logic will ensure : 233 * 1. A single reprobe all at any time. 234 * 2. No individual IOC reprobe overlaps with reprobe all. 235 * 3. Reprobe for multiple IOCs can be in parallel 236 * 4. Single reprobe for each IOC. 237 */ 238 #define IBNEX_REPROBE_ALL_PROGRESS 0x01 239 #define IBNEX_REPROBE_ALL_WAIT 0x02 240 #define IBNEX_REPROBE_IOC_WAIT 0x04 241 242 /* Defines for creating and binding device nodes. */ 243 #define IBNEX_MAX_COMPAT_NAMES 6 244 #define IBNEX_MAX_IBPORT_COMPAT_NAMES 3 245 #define IBNEX_MAX_COMPAT_LEN 48 246 #define IBNEX_MAX_COMPAT_PROP_SZ \ 247 IBNEX_MAX_COMPAT_NAMES * IBNEX_MAX_COMPAT_LEN 248 #define IBNEX_MAX_IBPORT_COMPAT_PROP_SZ \ 249 IBNEX_MAX_IBPORT_COMPAT_NAMES * IBNEX_MAX_COMPAT_LEN 250 #define IBNEX_DEVFS_ENUMERATE 0x1 /* enumerate via devfs(7fs) */ 251 #define IBNEX_CFGADM_ENUMERATE 0x2 /* enumerate via cfgadm */ 252 253 #define IBNEX_MAX_NODEADDR_SZ 35 254 255 /* Define for forming the unit address from GUID and class string */ 256 #define IBNEX_FORM_GUID(buf, size, guid) \ 257 (void) snprintf((buf), (size), "%llX", (longlong_t)guid); 258 259 #define IBNEX_INVALID_PKEY(pkey) \ 260 (((pkey) == IB_PKEY_INVALID_FULL) || \ 261 ((pkey) == IB_PKEY_INVALID_LIMITED)) 262 263 /* 264 * Defines for the tags of IB DDI events 265 */ 266 typedef enum { 267 IB_EVENT_TAG_PROP_UPDATE = 0 268 } ib_ddi_event_tag_t; 269 270 /* Definations for IB HW in device tree status */ 271 #define IBNEX_DEVTREE_NOT_CHECKED -1 272 #define IBNEX_HW_NOT_IN_DEVTREE 0 273 #define IBNEX_HW_IN_DEVTREE 1 274 275 #ifdef __cplusplus 276 } 277 #endif 278 279 #endif /* _SYS_IB_IBNEX_IBNEX_H */ 280