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 * ********************************************************************** 31*0Sstevel@tonic-gate * Extension module for PCI nexus drivers to support PCI Hot Plug feature. 32*0Sstevel@tonic-gate * 33*0Sstevel@tonic-gate * DESCRIPTION: 34*0Sstevel@tonic-gate * This module basically implements "devctl" and Attachment Point device 35*0Sstevel@tonic-gate * nodes for hot plug operations. The cb_ops functions needed for access 36*0Sstevel@tonic-gate * to these device nodes are also implemented. For hotplug operations 37*0Sstevel@tonic-gate * on Attachment Points it interacts with the hotplug services (HPS) 38*0Sstevel@tonic-gate * framework. A pci nexus driver would simply call pcihp_init() in its 39*0Sstevel@tonic-gate * attach() function and pcihp_uninit() call in its detach() function. 40*0Sstevel@tonic-gate * ********************************************************************** 41*0Sstevel@tonic-gate */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #include <sys/conf.h> 44*0Sstevel@tonic-gate #include <sys/kmem.h> 45*0Sstevel@tonic-gate #include <sys/debug.h> 46*0Sstevel@tonic-gate #include <sys/modctl.h> 47*0Sstevel@tonic-gate #include <sys/autoconf.h> 48*0Sstevel@tonic-gate #include <sys/ddi.h> 49*0Sstevel@tonic-gate #include <sys/sunddi.h> 50*0Sstevel@tonic-gate #include <sys/sunndi.h> 51*0Sstevel@tonic-gate #include <sys/ddi_impldefs.h> 52*0Sstevel@tonic-gate #include <sys/ndi_impldefs.h> 53*0Sstevel@tonic-gate #include <sys/ddipropdefs.h> 54*0Sstevel@tonic-gate #include <sys/open.h> 55*0Sstevel@tonic-gate #include <sys/file.h> 56*0Sstevel@tonic-gate #include <sys/stat.h> 57*0Sstevel@tonic-gate #include <sys/pci.h> 58*0Sstevel@tonic-gate #include <sys/pci_impl.h> 59*0Sstevel@tonic-gate #include <sys/devctl.h> 60*0Sstevel@tonic-gate #include <sys/hotplug/hpcsvc.h> 61*0Sstevel@tonic-gate #include <sys/hotplug/pci/pcicfg.h> 62*0Sstevel@tonic-gate #include <sys/hotplug/pci/pcihp.h> 63*0Sstevel@tonic-gate #include <sys/sysevent.h> 64*0Sstevel@tonic-gate #include <sys/sysevent/eventdefs.h> 65*0Sstevel@tonic-gate #include <sys/sysevent/dr.h> 66*0Sstevel@tonic-gate #include <sys/fs/dv_node.h> 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate /* 69*0Sstevel@tonic-gate * NOTE: 70*0Sstevel@tonic-gate * This module depends on PCI Configurator module (misc/pcicfg), 71*0Sstevel@tonic-gate * Hot Plug Services framework module (misc/hpcsvc) and Bus Resource 72*0Sstevel@tonic-gate * Allocator module (misc/busra). 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * ************************************************************************ 77*0Sstevel@tonic-gate * *** Implementation specific data structures/definitions. *** 78*0Sstevel@tonic-gate * ************************************************************************ 79*0Sstevel@tonic-gate */ 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate /* soft state */ 82*0Sstevel@tonic-gate typedef enum { PCIHP_SOFT_STATE_CLOSED, PCIHP_SOFT_STATE_OPEN, 83*0Sstevel@tonic-gate PCIHP_SOFT_STATE_OPEN_EXCL } pcihp_soft_state_t; 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #define PCI_MAX_DEVS 32 /* max. number of devices on a pci bus */ 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* the following correspond to sysevent defined subclasses */ 88*0Sstevel@tonic-gate #define PCIHP_DR_AP_STATE_CHANGE 0 89*0Sstevel@tonic-gate #define PCIHP_DR_REQ 1 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* pcihp_get_soft_state() command argument */ 92*0Sstevel@tonic-gate #define PCIHP_DR_NOOP 0 93*0Sstevel@tonic-gate #define PCIHP_DR_BUS_CONFIGURE 1 94*0Sstevel@tonic-gate #define PCIHP_DR_BUS_UNCONFIGURE 2 95*0Sstevel@tonic-gate #define PCIHP_DR_SLOT_ENTER 4 96*0Sstevel@tonic-gate #define PCIHP_DR_SLOT_EXIT 8 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate /* hot plug bus state */ 99*0Sstevel@tonic-gate enum { PCIHP_BUS_INITIALIZING, PCIHP_BUS_UNCONFIGURED, 100*0Sstevel@tonic-gate PCIHP_BUS_CONFIGURED }; 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate /* 103*0Sstevel@tonic-gate * Soft state structure associated with each hot plug pci bus instance. 104*0Sstevel@tonic-gate */ 105*0Sstevel@tonic-gate typedef struct pcihp { 106*0Sstevel@tonic-gate struct pcihp *nextp; 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* devinfo pointer to the pci bus node */ 109*0Sstevel@tonic-gate dev_info_t *dip; 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate /* soft state flags: PCIHP_SOFT_STATE_* */ 112*0Sstevel@tonic-gate pcihp_soft_state_t soft_state; 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate /* global mutex to serialize exclusive access to the bus */ 115*0Sstevel@tonic-gate kmutex_t mutex; 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* slot information structure */ 118*0Sstevel@tonic-gate struct pcihp_slotinfo { 119*0Sstevel@tonic-gate hpc_slot_t slot_hdl; /* HPS slot handle */ 120*0Sstevel@tonic-gate ap_rstate_t rstate; /* state of Receptacle */ 121*0Sstevel@tonic-gate ap_ostate_t ostate; /* state of the Occupant */ 122*0Sstevel@tonic-gate ap_condition_t condition; /* condition of the occupant */ 123*0Sstevel@tonic-gate time32_t last_change; /* XXX needed? */ 124*0Sstevel@tonic-gate uint32_t event_mask; /* last event mask registered */ 125*0Sstevel@tonic-gate char *name; /* slot logical name */ 126*0Sstevel@tonic-gate uint_t slot_flags; 127*0Sstevel@tonic-gate uint16_t slot_type; /* slot type: pci or cpci */ 128*0Sstevel@tonic-gate uint16_t slot_capabilities; /* 64bit, etc. */ 129*0Sstevel@tonic-gate int hs_csr_location; /* Location of HS_CSR */ 130*0Sstevel@tonic-gate kmutex_t slot_mutex; /* mutex to serialize hotplug */ 131*0Sstevel@tonic-gate /* operations on the slot */ 132*0Sstevel@tonic-gate } slotinfo[PCI_MAX_DEVS]; 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate /* misc. bus attributes */ 135*0Sstevel@tonic-gate uint_t bus_flags; 136*0Sstevel@tonic-gate uint_t bus_state; 137*0Sstevel@tonic-gate uint_t slots_active; 138*0Sstevel@tonic-gate } pcihp_t; 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate /* 141*0Sstevel@tonic-gate * Bit definitions for slot_flags field: 142*0Sstevel@tonic-gate * 143*0Sstevel@tonic-gate * PCIHP_SLOT_AUTO_CFG_EN This flags is set if nexus can do auto 144*0Sstevel@tonic-gate * configuration of hot plugged card on this slot 145*0Sstevel@tonic-gate * if the hardware reports the hot plug events. 146*0Sstevel@tonic-gate * 147*0Sstevel@tonic-gate * PCIHP_SLOT_DISABLED Slot is disabled for hotplug operations. 148*0Sstevel@tonic-gate * 149*0Sstevel@tonic-gate * PCIHP_SLOT_NOT_HEALTHY HEALTHY# signal is not OK on this slot. 150*0Sstevel@tonic-gate */ 151*0Sstevel@tonic-gate #define PCIHP_SLOT_AUTO_CFG_EN 0x1 152*0Sstevel@tonic-gate #define PCIHP_SLOT_DISABLED 0x2 153*0Sstevel@tonic-gate #define PCIHP_SLOT_NOT_HEALTHY 0x4 154*0Sstevel@tonic-gate #define PCIHP_SLOT_DEV_NON_HOTPLUG 0x8 155*0Sstevel@tonic-gate #define PCIHP_SLOT_ENUM_INS_PENDING 0x10 156*0Sstevel@tonic-gate #define PCIHP_SLOT_ENUM_EXT_PENDING 0x20 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate /* 159*0Sstevel@tonic-gate * Bit definitions for bus_flags field: 160*0Sstevel@tonic-gate * 161*0Sstevel@tonic-gate * PCIHP_BUS_66MHZ Bus is running at 66Mhz. 162*0Sstevel@tonic-gate */ 163*0Sstevel@tonic-gate #define PCIHP_BUS_66MHZ 0x1 164*0Sstevel@tonic-gate #define PCIHP_BUS_ENUM_RADIAL 0x2 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate #define PCIHP_DEVICES_STR "/devices" 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate /* 169*0Sstevel@tonic-gate * control structure for tree walk during configure/unconfigure operation. 170*0Sstevel@tonic-gate */ 171*0Sstevel@tonic-gate struct pcihp_config_ctrl { 172*0Sstevel@tonic-gate int pci_dev; /* PCI device number for the slot */ 173*0Sstevel@tonic-gate uint_t flags; /* control flags (see below) */ 174*0Sstevel@tonic-gate int op; /* operation: PCIHP_ONLINE or PCIHP_OFFLINE */ 175*0Sstevel@tonic-gate int rv; /* return error code */ 176*0Sstevel@tonic-gate dev_info_t *dip; /* dip at which the (first) error occurred */ 177*0Sstevel@tonic-gate hpc_occupant_info_t *occupant; 178*0Sstevel@tonic-gate }; 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate /* 181*0Sstevel@tonic-gate * control flags for configure/unconfigure operations on the tree. 182*0Sstevel@tonic-gate * 183*0Sstevel@tonic-gate * PCIHP_CFG_CONTINUE continue the operation ignoring errors 184*0Sstevel@tonic-gate */ 185*0Sstevel@tonic-gate #define PCIHP_CFG_CONTINUE 0x1 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate #define PCIHP_ONLINE 1 188*0Sstevel@tonic-gate #define PCIHP_OFFLINE 0 189*0Sstevel@tonic-gate 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate /* Leaf ops (hotplug controls for target devices) */ 192*0Sstevel@tonic-gate static int pcihp_open(dev_t *, int, int, cred_t *); 193*0Sstevel@tonic-gate static int pcihp_close(dev_t, int, int, cred_t *); 194*0Sstevel@tonic-gate static int pcihp_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate #ifdef DEBUG 197*0Sstevel@tonic-gate static int pcihp_debug = 0; 198*0Sstevel@tonic-gate #define PCIHP_DEBUG(args) if (pcihp_debug >= 1) cmn_err args 199*0Sstevel@tonic-gate #define PCIHP_DEBUG2(args) if (pcihp_debug >= 2) cmn_err args 200*0Sstevel@tonic-gate #else 201*0Sstevel@tonic-gate #define PCIHP_DEBUG(args) 202*0Sstevel@tonic-gate #define PCIHP_DEBUG2(args) 203*0Sstevel@tonic-gate #endif 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* 206*0Sstevel@tonic-gate * We process ENUM# event one device at a time ie. as soon as we detect 207*0Sstevel@tonic-gate * that a device has the right ENUM# conditions, we return. If the following 208*0Sstevel@tonic-gate * variable is set to non-zero, we scan all the devices on the bus 209*0Sstevel@tonic-gate * for ENUM# conditions. 210*0Sstevel@tonic-gate */ 211*0Sstevel@tonic-gate static int pcihp_enum_scan_all = 0; 212*0Sstevel@tonic-gate /* 213*0Sstevel@tonic-gate * If HSC driver cannot determine the board type (for example: it may not 214*0Sstevel@tonic-gate * be possible to differentiate between a Basic Hotswap, Non Hotswap or 215*0Sstevel@tonic-gate * Non-friendly Full hotswap board), the default board type is assigned 216*0Sstevel@tonic-gate * to be as defined by the following variable. 217*0Sstevel@tonic-gate */ 218*0Sstevel@tonic-gate static int pcihp_cpci_board_type = HPC_BOARD_CPCI_NON_HS; 219*0Sstevel@tonic-gate static int pcihp_cpci_led_blink = 30; 220*0Sstevel@tonic-gate /* 221*0Sstevel@tonic-gate * It was noted that the blue LED when written on/off would cause INS/EXT 222*0Sstevel@tonic-gate * bit to be set causing an extra interrupt. Although the cPCI specifications 223*0Sstevel@tonic-gate * does not imply this, this behavior is seen with some FHS silicons. 224*0Sstevel@tonic-gate * Also, handling the INS/EXT bit would control the LED being On/Off. 225*0Sstevel@tonic-gate * Until the behavior is confirmed, this flag could be used to enable or 226*0Sstevel@tonic-gate * disable handling the LED. 227*0Sstevel@tonic-gate * 0 means the silicons handles the LED behavior via the INS/EXT bit. 228*0Sstevel@tonic-gate * 1 means the software must explicitly do the LED behavior. 229*0Sstevel@tonic-gate */ 230*0Sstevel@tonic-gate static int pcihp_cpci_blue_led = 1; 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate /* static functions */ 233*0Sstevel@tonic-gate static pcihp_t *pcihp_create_soft_state(dev_info_t *dip); 234*0Sstevel@tonic-gate static void pcihp_destroy_soft_state(dev_info_t *dip); 235*0Sstevel@tonic-gate static pcihp_t *pcihp_get_soft_state(dev_info_t *dip, int cmd, int *rv); 236*0Sstevel@tonic-gate static int pcihp_configure_ap(pcihp_t *pcihp_p, int pci_dev); 237*0Sstevel@tonic-gate static int pcihp_unconfigure_ap(pcihp_t *pcihp_p, int pci_dev); 238*0Sstevel@tonic-gate static int pcihp_new_slot_state(dev_info_t *, hpc_slot_t, 239*0Sstevel@tonic-gate hpc_slot_info_t *, int); 240*0Sstevel@tonic-gate static int pcihp_configure(dev_info_t *, void *); 241*0Sstevel@tonic-gate static int pcihp_event_handler(caddr_t, uint_t); 242*0Sstevel@tonic-gate static dev_info_t *pcihp_devi_find(dev_info_t *dip, uint_t dev, uint_t func); 243*0Sstevel@tonic-gate static int pcihp_match_dev(dev_info_t *dip, void *hdl); 244*0Sstevel@tonic-gate static int pcihp_get_hs_csr(struct pcihp_slotinfo *, ddi_acc_handle_t, 245*0Sstevel@tonic-gate uint8_t *); 246*0Sstevel@tonic-gate static void pcihp_set_hs_csr(struct pcihp_slotinfo *, ddi_acc_handle_t, 247*0Sstevel@tonic-gate uint8_t *); 248*0Sstevel@tonic-gate static int pcihp_get_hs_csr_location(ddi_acc_handle_t); 249*0Sstevel@tonic-gate static int pcihp_handle_enum(pcihp_t *, int, int, int); 250*0Sstevel@tonic-gate static void pcihp_hs_csr_op(pcihp_t *, int, int); 251*0Sstevel@tonic-gate static int pcihp_enum_slot(pcihp_t *, struct pcihp_slotinfo *, int, int, int); 252*0Sstevel@tonic-gate static int pcihp_handle_enum_extraction(pcihp_t *, int, int, int); 253*0Sstevel@tonic-gate static int pcihp_handle_enum_insertion(pcihp_t *, int, int, int); 254*0Sstevel@tonic-gate static int pcihp_add_dummy_reg_property(dev_info_t *, uint_t, uint_t, uint_t); 255*0Sstevel@tonic-gate static int pcihp_config_setup(dev_info_t **, ddi_acc_handle_t *, 256*0Sstevel@tonic-gate dev_info_t **, int, pcihp_t *); 257*0Sstevel@tonic-gate static void pcihp_config_teardown(ddi_acc_handle_t *, 258*0Sstevel@tonic-gate dev_info_t **, int, pcihp_t *); 259*0Sstevel@tonic-gate static int pcihp_get_board_type(struct pcihp_slotinfo *); 260*0Sstevel@tonic-gate /* sysevent function */ 261*0Sstevel@tonic-gate static void pcihp_gen_sysevent(char *, int, int, dev_info_t *, int); 262*0Sstevel@tonic-gate 263*0Sstevel@tonic-gate extern int pcicfg_configure(dev_info_t *, uint_t); 264*0Sstevel@tonic-gate extern int pcicfg_unconfigure(dev_info_t *, uint_t); 265*0Sstevel@tonic-gate 266*0Sstevel@tonic-gate static int pcihp_list_occupants(dev_info_t *, void *); 267*0Sstevel@tonic-gate static int pcihp_indirect_map(dev_info_t *dip); 268*0Sstevel@tonic-gate 269*0Sstevel@tonic-gate #if 0 270*0Sstevel@tonic-gate static void pcihp_probe_slot_state(dev_info_t *, int, hpc_slot_state_t *); 271*0Sstevel@tonic-gate #endif 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate int pcihp_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 274*0Sstevel@tonic-gate int flags, char *name, caddr_t valuep, int *lengthp); 275*0Sstevel@tonic-gate 276*0Sstevel@tonic-gate struct cb_ops pcihp_cb_ops = { 277*0Sstevel@tonic-gate pcihp_open, /* open */ 278*0Sstevel@tonic-gate pcihp_close, /* close */ 279*0Sstevel@tonic-gate nodev, /* strategy */ 280*0Sstevel@tonic-gate nodev, /* print */ 281*0Sstevel@tonic-gate nodev, /* dump */ 282*0Sstevel@tonic-gate nodev, /* read */ 283*0Sstevel@tonic-gate nodev, /* write */ 284*0Sstevel@tonic-gate pcihp_ioctl, /* ioctl */ 285*0Sstevel@tonic-gate nodev, /* devmap */ 286*0Sstevel@tonic-gate nodev, /* mmap */ 287*0Sstevel@tonic-gate nodev, /* segmap */ 288*0Sstevel@tonic-gate nochpoll, /* poll */ 289*0Sstevel@tonic-gate pcihp_prop_op, /* cb_prop_op */ 290*0Sstevel@tonic-gate NULL, /* streamtab */ 291*0Sstevel@tonic-gate D_NEW | D_MP | D_HOTPLUG, /* Driver compatibility flag */ 292*0Sstevel@tonic-gate CB_REV, /* rev */ 293*0Sstevel@tonic-gate nodev, /* int (*cb_aread)() */ 294*0Sstevel@tonic-gate nodev /* int (*cb_awrite)() */ 295*0Sstevel@tonic-gate }; 296*0Sstevel@tonic-gate 297*0Sstevel@tonic-gate /* 298*0Sstevel@tonic-gate * local data 299*0Sstevel@tonic-gate */ 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate int pcihp_autocfg_enabled = 1; /* auto config is enabled by default */ 302*0Sstevel@tonic-gate 303*0Sstevel@tonic-gate static kmutex_t pcihp_mutex; /* mutex to protect the following data */ 304*0Sstevel@tonic-gate static pcihp_t *pcihp_head = NULL; 305*0Sstevel@tonic-gate 306*0Sstevel@tonic-gate static kmutex_t pcihp_open_mutex; /* mutex to protect open/close/uninit */ 307*0Sstevel@tonic-gate static int pci_devlink_flags = 0; 308*0Sstevel@tonic-gate 309*0Sstevel@tonic-gate /* 310*0Sstevel@tonic-gate * Module linkage information for the kernel. 311*0Sstevel@tonic-gate */ 312*0Sstevel@tonic-gate extern struct mod_ops mod_miscops; 313*0Sstevel@tonic-gate static struct modlmisc modlmisc = { 314*0Sstevel@tonic-gate &mod_miscops, 315*0Sstevel@tonic-gate "PCI nexus hotplug support v%I%", 316*0Sstevel@tonic-gate }; 317*0Sstevel@tonic-gate 318*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 319*0Sstevel@tonic-gate MODREV_1, 320*0Sstevel@tonic-gate &modlmisc, 321*0Sstevel@tonic-gate NULL 322*0Sstevel@tonic-gate }; 323*0Sstevel@tonic-gate 324*0Sstevel@tonic-gate int 325*0Sstevel@tonic-gate _init(void) 326*0Sstevel@tonic-gate { 327*0Sstevel@tonic-gate int error; 328*0Sstevel@tonic-gate 329*0Sstevel@tonic-gate mutex_init(&pcihp_mutex, NULL, MUTEX_DRIVER, NULL); 330*0Sstevel@tonic-gate mutex_init(&pcihp_open_mutex, NULL, MUTEX_DRIVER, NULL); 331*0Sstevel@tonic-gate if ((error = mod_install(&modlinkage)) != 0) { 332*0Sstevel@tonic-gate mutex_destroy(&pcihp_open_mutex); 333*0Sstevel@tonic-gate mutex_destroy(&pcihp_mutex); 334*0Sstevel@tonic-gate } 335*0Sstevel@tonic-gate 336*0Sstevel@tonic-gate return (error); 337*0Sstevel@tonic-gate } 338*0Sstevel@tonic-gate 339*0Sstevel@tonic-gate int 340*0Sstevel@tonic-gate _fini(void) 341*0Sstevel@tonic-gate { 342*0Sstevel@tonic-gate return (EBUSY); 343*0Sstevel@tonic-gate } 344*0Sstevel@tonic-gate 345*0Sstevel@tonic-gate int 346*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 347*0Sstevel@tonic-gate { 348*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 349*0Sstevel@tonic-gate } 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate static pcihp_t * 352*0Sstevel@tonic-gate pcihp_create_soft_state( 353*0Sstevel@tonic-gate dev_info_t *dip) 354*0Sstevel@tonic-gate { 355*0Sstevel@tonic-gate pcihp_t *pcihp_p; 356*0Sstevel@tonic-gate 357*0Sstevel@tonic-gate pcihp_p = kmem_zalloc(sizeof (struct pcihp), KM_SLEEP); 358*0Sstevel@tonic-gate 359*0Sstevel@tonic-gate pcihp_p->dip = dip; 360*0Sstevel@tonic-gate mutex_init(&pcihp_p->mutex, NULL, MUTEX_DRIVER, NULL); 361*0Sstevel@tonic-gate 362*0Sstevel@tonic-gate mutex_enter(&pcihp_mutex); 363*0Sstevel@tonic-gate pcihp_p->nextp = pcihp_head; 364*0Sstevel@tonic-gate pcihp_head = pcihp_p; 365*0Sstevel@tonic-gate pcihp_p->bus_state = PCIHP_BUS_INITIALIZING; 366*0Sstevel@tonic-gate pcihp_p->slots_active = 0; 367*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 368*0Sstevel@tonic-gate 369*0Sstevel@tonic-gate return (pcihp_p); 370*0Sstevel@tonic-gate } 371*0Sstevel@tonic-gate 372*0Sstevel@tonic-gate static void 373*0Sstevel@tonic-gate pcihp_destroy_soft_state( 374*0Sstevel@tonic-gate dev_info_t *dip) 375*0Sstevel@tonic-gate { 376*0Sstevel@tonic-gate pcihp_t *p; 377*0Sstevel@tonic-gate pcihp_t **pp; 378*0Sstevel@tonic-gate 379*0Sstevel@tonic-gate mutex_enter(&pcihp_mutex); 380*0Sstevel@tonic-gate pp = &pcihp_head; 381*0Sstevel@tonic-gate while ((p = *pp) != NULL) { 382*0Sstevel@tonic-gate if (p->dip == dip) { 383*0Sstevel@tonic-gate *pp = p->nextp; 384*0Sstevel@tonic-gate kmem_free(p, sizeof (struct pcihp)); 385*0Sstevel@tonic-gate break; 386*0Sstevel@tonic-gate } 387*0Sstevel@tonic-gate pp = &(p->nextp); 388*0Sstevel@tonic-gate } 389*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 390*0Sstevel@tonic-gate } 391*0Sstevel@tonic-gate 392*0Sstevel@tonic-gate /* 393*0Sstevel@tonic-gate * This function should be imported by client nexus drivers as their 394*0Sstevel@tonic-gate * devo_getinfo() entry point. 395*0Sstevel@tonic-gate */ 396*0Sstevel@tonic-gate 397*0Sstevel@tonic-gate /* ARGSUSED */ 398*0Sstevel@tonic-gate int 399*0Sstevel@tonic-gate pcihp_info( 400*0Sstevel@tonic-gate dev_info_t *dip, 401*0Sstevel@tonic-gate ddi_info_cmd_t cmd, 402*0Sstevel@tonic-gate void *arg, 403*0Sstevel@tonic-gate void **result) 404*0Sstevel@tonic-gate { 405*0Sstevel@tonic-gate pcihp_t *pcihp_p; 406*0Sstevel@tonic-gate major_t major; 407*0Sstevel@tonic-gate minor_t minor; 408*0Sstevel@tonic-gate int instance; 409*0Sstevel@tonic-gate 410*0Sstevel@tonic-gate major = getmajor((dev_t)arg); 411*0Sstevel@tonic-gate minor = getminor((dev_t)arg); 412*0Sstevel@tonic-gate instance = PCIHP_AP_MINOR_NUM_TO_INSTANCE(minor); 413*0Sstevel@tonic-gate 414*0Sstevel@tonic-gate switch (cmd) { 415*0Sstevel@tonic-gate default: 416*0Sstevel@tonic-gate return (DDI_FAILURE); 417*0Sstevel@tonic-gate 418*0Sstevel@tonic-gate case DDI_INFO_DEVT2INSTANCE: 419*0Sstevel@tonic-gate *result = (void *)(intptr_t)instance; 420*0Sstevel@tonic-gate return (DDI_SUCCESS); 421*0Sstevel@tonic-gate 422*0Sstevel@tonic-gate case DDI_INFO_DEVT2DEVINFO: 423*0Sstevel@tonic-gate mutex_enter(&pcihp_mutex); 424*0Sstevel@tonic-gate pcihp_p = pcihp_head; 425*0Sstevel@tonic-gate while (pcihp_p != NULL) { 426*0Sstevel@tonic-gate if (ddi_name_to_major(ddi_get_name(pcihp_p->dip)) == 427*0Sstevel@tonic-gate major && ddi_get_instance(pcihp_p->dip) == 428*0Sstevel@tonic-gate instance) { 429*0Sstevel@tonic-gate *result = (void *)pcihp_p->dip; 430*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 431*0Sstevel@tonic-gate return (DDI_SUCCESS); 432*0Sstevel@tonic-gate } 433*0Sstevel@tonic-gate pcihp_p = pcihp_p->nextp; 434*0Sstevel@tonic-gate } 435*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 436*0Sstevel@tonic-gate return (DDI_FAILURE); 437*0Sstevel@tonic-gate } 438*0Sstevel@tonic-gate } 439*0Sstevel@tonic-gate 440*0Sstevel@tonic-gate /* 441*0Sstevel@tonic-gate * This function retrieves the hot plug soft state and performs the 442*0Sstevel@tonic-gate * following primitive commands while the soft state is locked: 443*0Sstevel@tonic-gate * mark the bus unconfigured, increment slot activity, decrement 444*0Sstevel@tonic-gate * slot activity and noop. 445*0Sstevel@tonic-gate */ 446*0Sstevel@tonic-gate 447*0Sstevel@tonic-gate /* ARGSUSED */ 448*0Sstevel@tonic-gate static pcihp_t * 449*0Sstevel@tonic-gate pcihp_get_soft_state( 450*0Sstevel@tonic-gate dev_info_t *dip, int cmd, int *rv) 451*0Sstevel@tonic-gate { 452*0Sstevel@tonic-gate pcihp_t *pcihp_p; 453*0Sstevel@tonic-gate 454*0Sstevel@tonic-gate *rv = PCIHP_SUCCESS; 455*0Sstevel@tonic-gate mutex_enter(&pcihp_mutex); 456*0Sstevel@tonic-gate pcihp_p = pcihp_head; 457*0Sstevel@tonic-gate while (pcihp_p != NULL) { 458*0Sstevel@tonic-gate if (pcihp_p->dip == dip) { 459*0Sstevel@tonic-gate switch (cmd) { 460*0Sstevel@tonic-gate case PCIHP_DR_BUS_UNCONFIGURE: 461*0Sstevel@tonic-gate if (pcihp_p->slots_active == 0) 462*0Sstevel@tonic-gate pcihp_p->bus_state = 463*0Sstevel@tonic-gate PCIHP_BUS_UNCONFIGURED; 464*0Sstevel@tonic-gate else 465*0Sstevel@tonic-gate *rv = PCIHP_FAILURE; 466*0Sstevel@tonic-gate break; 467*0Sstevel@tonic-gate case PCIHP_DR_SLOT_ENTER: 468*0Sstevel@tonic-gate if (pcihp_p->bus_state == 469*0Sstevel@tonic-gate PCIHP_BUS_UNCONFIGURED) 470*0Sstevel@tonic-gate *rv = PCIHP_FAILURE; 471*0Sstevel@tonic-gate else 472*0Sstevel@tonic-gate pcihp_p->slots_active++; 473*0Sstevel@tonic-gate break; 474*0Sstevel@tonic-gate case PCIHP_DR_SLOT_EXIT: 475*0Sstevel@tonic-gate ASSERT(pcihp_p->slots_active > 0); 476*0Sstevel@tonic-gate if (pcihp_p->slots_active == 0) 477*0Sstevel@tonic-gate cmn_err(CE_PANIC, 478*0Sstevel@tonic-gate "pcihp (%s%d): mismatched slot" 479*0Sstevel@tonic-gate " activity", 480*0Sstevel@tonic-gate ddi_driver_name(dip), 481*0Sstevel@tonic-gate ddi_get_instance(dip)); 482*0Sstevel@tonic-gate else 483*0Sstevel@tonic-gate pcihp_p->slots_active--; 484*0Sstevel@tonic-gate break; 485*0Sstevel@tonic-gate case PCIHP_DR_NOOP: 486*0Sstevel@tonic-gate break; 487*0Sstevel@tonic-gate default: 488*0Sstevel@tonic-gate *rv = PCIHP_FAILURE; 489*0Sstevel@tonic-gate break; 490*0Sstevel@tonic-gate } 491*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 492*0Sstevel@tonic-gate return (pcihp_p); 493*0Sstevel@tonic-gate } 494*0Sstevel@tonic-gate pcihp_p = pcihp_p->nextp; 495*0Sstevel@tonic-gate } 496*0Sstevel@tonic-gate mutex_exit(&pcihp_mutex); 497*0Sstevel@tonic-gate 498*0Sstevel@tonic-gate return (NULL); 499*0Sstevel@tonic-gate } 500*0Sstevel@tonic-gate 501*0Sstevel@tonic-gate /* ARGSUSED3 */ 502*0Sstevel@tonic-gate static int 503*0Sstevel@tonic-gate pcihp_open(dev_t *devp, int flags, int otyp, cred_t *credp) 504*0Sstevel@tonic-gate { 505*0Sstevel@tonic-gate dev_info_t *self; 506*0Sstevel@tonic-gate pcihp_t *pcihp_p; 507*0Sstevel@tonic-gate minor_t minor; 508*0Sstevel@tonic-gate int pci_dev; 509*0Sstevel@tonic-gate int rv; 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate /* 512*0Sstevel@tonic-gate * Make sure the open is for the right file type. 513*0Sstevel@tonic-gate */ 514*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 515*0Sstevel@tonic-gate return (EINVAL); 516*0Sstevel@tonic-gate 517*0Sstevel@tonic-gate mutex_enter(&pcihp_open_mutex); 518*0Sstevel@tonic-gate /* 519*0Sstevel@tonic-gate * Get the soft state structure. 520*0Sstevel@tonic-gate */ 521*0Sstevel@tonic-gate if (pcihp_info(NULL, DDI_INFO_DEVT2DEVINFO, (void *)*devp, 522*0Sstevel@tonic-gate (void **)&self) != DDI_SUCCESS) { 523*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 524*0Sstevel@tonic-gate return (ENXIO); 525*0Sstevel@tonic-gate } 526*0Sstevel@tonic-gate 527*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(self, PCIHP_DR_NOOP, &rv); 528*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 529*0Sstevel@tonic-gate 530*0Sstevel@tonic-gate mutex_enter(&pcihp_p->mutex); 531*0Sstevel@tonic-gate 532*0Sstevel@tonic-gate /* 533*0Sstevel@tonic-gate * If the pci_dev is valid then the minor device is an 534*0Sstevel@tonic-gate * AP. Otherwise it is ":devctl" minor device. 535*0Sstevel@tonic-gate */ 536*0Sstevel@tonic-gate minor = getminor(*devp); 537*0Sstevel@tonic-gate pci_dev = PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(minor); 538*0Sstevel@tonic-gate if (pci_dev < PCI_MAX_DEVS) { 539*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 540*0Sstevel@tonic-gate 541*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 542*0Sstevel@tonic-gate if (slotinfop->slot_hdl == NULL) { 543*0Sstevel@tonic-gate mutex_exit(&pcihp_p->mutex); 544*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 545*0Sstevel@tonic-gate return (ENXIO); 546*0Sstevel@tonic-gate } 547*0Sstevel@tonic-gate } 548*0Sstevel@tonic-gate 549*0Sstevel@tonic-gate /* 550*0Sstevel@tonic-gate * Handle the open by tracking the device state. 551*0Sstevel@tonic-gate * 552*0Sstevel@tonic-gate * Note: Needs review w.r.t exclusive access to AP or the bus. 553*0Sstevel@tonic-gate * Currently in the pci plug-in we don't use EXCL open at all 554*0Sstevel@tonic-gate * so the code below implements EXCL access on the bus. 555*0Sstevel@tonic-gate */ 556*0Sstevel@tonic-gate 557*0Sstevel@tonic-gate /* enforce exclusive access to the bus */ 558*0Sstevel@tonic-gate if ((pcihp_p->soft_state == PCIHP_SOFT_STATE_OPEN_EXCL) || 559*0Sstevel@tonic-gate ((flags & FEXCL) && 560*0Sstevel@tonic-gate (pcihp_p->soft_state != PCIHP_SOFT_STATE_CLOSED))) { 561*0Sstevel@tonic-gate mutex_exit(&pcihp_p->mutex); 562*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 563*0Sstevel@tonic-gate return (EBUSY); 564*0Sstevel@tonic-gate } 565*0Sstevel@tonic-gate 566*0Sstevel@tonic-gate if (flags & FEXCL) 567*0Sstevel@tonic-gate pcihp_p->soft_state = PCIHP_SOFT_STATE_OPEN_EXCL; 568*0Sstevel@tonic-gate else 569*0Sstevel@tonic-gate pcihp_p->soft_state = PCIHP_SOFT_STATE_OPEN; 570*0Sstevel@tonic-gate 571*0Sstevel@tonic-gate mutex_exit(&pcihp_p->mutex); 572*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 573*0Sstevel@tonic-gate 574*0Sstevel@tonic-gate return (0); 575*0Sstevel@tonic-gate } 576*0Sstevel@tonic-gate 577*0Sstevel@tonic-gate /* ARGSUSED */ 578*0Sstevel@tonic-gate static int 579*0Sstevel@tonic-gate pcihp_close(dev_t dev, int flags, int otyp, cred_t *credp) 580*0Sstevel@tonic-gate { 581*0Sstevel@tonic-gate dev_info_t *self; 582*0Sstevel@tonic-gate pcihp_t *pcihp_p; 583*0Sstevel@tonic-gate int rv; 584*0Sstevel@tonic-gate 585*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 586*0Sstevel@tonic-gate return (EINVAL); 587*0Sstevel@tonic-gate 588*0Sstevel@tonic-gate mutex_enter(&pcihp_open_mutex); 589*0Sstevel@tonic-gate 590*0Sstevel@tonic-gate if (pcihp_info(NULL, DDI_INFO_DEVT2DEVINFO, (void *)dev, 591*0Sstevel@tonic-gate (void **)&self) != DDI_SUCCESS) { 592*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 593*0Sstevel@tonic-gate return (ENXIO); 594*0Sstevel@tonic-gate } 595*0Sstevel@tonic-gate 596*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(self, PCIHP_DR_NOOP, &rv); 597*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 598*0Sstevel@tonic-gate 599*0Sstevel@tonic-gate mutex_enter(&pcihp_p->mutex); 600*0Sstevel@tonic-gate pcihp_p->soft_state = PCIHP_SOFT_STATE_CLOSED; 601*0Sstevel@tonic-gate mutex_exit(&pcihp_p->mutex); 602*0Sstevel@tonic-gate 603*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 604*0Sstevel@tonic-gate 605*0Sstevel@tonic-gate return (0); 606*0Sstevel@tonic-gate } 607*0Sstevel@tonic-gate 608*0Sstevel@tonic-gate static int 609*0Sstevel@tonic-gate pcihp_list_occupants(dev_info_t *dip, void *hdl) 610*0Sstevel@tonic-gate { 611*0Sstevel@tonic-gate int pci_dev; 612*0Sstevel@tonic-gate struct pcihp_config_ctrl *ctrl = (struct pcihp_config_ctrl *)hdl; 613*0Sstevel@tonic-gate pci_regspec_t *pci_rp; 614*0Sstevel@tonic-gate int length; 615*0Sstevel@tonic-gate major_t major; 616*0Sstevel@tonic-gate 617*0Sstevel@tonic-gate /* 618*0Sstevel@tonic-gate * Get the PCI device number information from the devinfo 619*0Sstevel@tonic-gate * node. Since the node may not have the address field 620*0Sstevel@tonic-gate * setup (this is done in the DDI_INITCHILD of the parent) 621*0Sstevel@tonic-gate * we look up the 'reg' property to decode that information. 622*0Sstevel@tonic-gate */ 623*0Sstevel@tonic-gate if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 624*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "reg", (int **)&pci_rp, 625*0Sstevel@tonic-gate (uint_t *)&length) != DDI_PROP_SUCCESS) { 626*0Sstevel@tonic-gate ctrl->rv = DDI_FAILURE; 627*0Sstevel@tonic-gate ctrl->dip = dip; 628*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 629*0Sstevel@tonic-gate } 630*0Sstevel@tonic-gate 631*0Sstevel@tonic-gate /* get the pci device id information */ 632*0Sstevel@tonic-gate pci_dev = PCI_REG_DEV_G(pci_rp->pci_phys_hi); 633*0Sstevel@tonic-gate 634*0Sstevel@tonic-gate /* 635*0Sstevel@tonic-gate * free the memory allocated by ddi_prop_lookup_int_array 636*0Sstevel@tonic-gate */ 637*0Sstevel@tonic-gate ddi_prop_free(pci_rp); 638*0Sstevel@tonic-gate 639*0Sstevel@tonic-gate /* 640*0Sstevel@tonic-gate * Match the node for the device number of the slot. 641*0Sstevel@tonic-gate */ 642*0Sstevel@tonic-gate if (pci_dev == ctrl->pci_dev) { /* node is a match */ 643*0Sstevel@tonic-gate 644*0Sstevel@tonic-gate major = ddi_driver_major(dip); 645*0Sstevel@tonic-gate 646*0Sstevel@tonic-gate /* 647*0Sstevel@tonic-gate * If the node is not yet attached, then don't list it 648*0Sstevel@tonic-gate * as an occupant. This is valid, since nothing can be 649*0Sstevel@tonic-gate * consuming it until it is attached, and cfgadm will 650*0Sstevel@tonic-gate * ask for the property explicitly which will cause it 651*0Sstevel@tonic-gate * to be re-freshed right before checking with rcm. 652*0Sstevel@tonic-gate */ 653*0Sstevel@tonic-gate if ((major == -1) || (i_ddi_node_state(dip) < DS_ATTACHED)) 654*0Sstevel@tonic-gate return (DDI_WALK_PRUNECHILD); 655*0Sstevel@tonic-gate 656*0Sstevel@tonic-gate ctrl->occupant->id[ctrl->occupant->i] = 657*0Sstevel@tonic-gate kmem_alloc(sizeof (char[MAXPATHLEN]), KM_SLEEP); 658*0Sstevel@tonic-gate 659*0Sstevel@tonic-gate /* 660*0Sstevel@tonic-gate * No need to hold the dip as ddi_walk_devs 661*0Sstevel@tonic-gate * has already arranged that for us. 662*0Sstevel@tonic-gate */ 663*0Sstevel@tonic-gate (void) ddi_pathname(dip, 664*0Sstevel@tonic-gate (char *)ctrl->occupant->id[ctrl->occupant->i]); 665*0Sstevel@tonic-gate ctrl->occupant->i++; 666*0Sstevel@tonic-gate } 667*0Sstevel@tonic-gate 668*0Sstevel@tonic-gate /* 669*0Sstevel@tonic-gate * continue the walk to the next sibling to look for a match 670*0Sstevel@tonic-gate * or to find other nodes if this card is a multi-function card. 671*0Sstevel@tonic-gate */ 672*0Sstevel@tonic-gate return (DDI_WALK_PRUNECHILD); 673*0Sstevel@tonic-gate } 674*0Sstevel@tonic-gate 675*0Sstevel@tonic-gate static void 676*0Sstevel@tonic-gate pcihp_create_occupant_props_nolock(dev_info_t *self, dev_t dev, int pci_dev) 677*0Sstevel@tonic-gate { 678*0Sstevel@tonic-gate struct pcihp_config_ctrl ctrl; 679*0Sstevel@tonic-gate hpc_occupant_info_t *occupant; 680*0Sstevel@tonic-gate int i; 681*0Sstevel@tonic-gate 682*0Sstevel@tonic-gate occupant = kmem_alloc(sizeof (hpc_occupant_info_t), KM_SLEEP); 683*0Sstevel@tonic-gate occupant->i = 0; 684*0Sstevel@tonic-gate 685*0Sstevel@tonic-gate ctrl.flags = 0; 686*0Sstevel@tonic-gate ctrl.dip = NULL; 687*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 688*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 689*0Sstevel@tonic-gate ctrl.op = 55; /* should define DRYRUN */ 690*0Sstevel@tonic-gate ctrl.occupant = occupant; 691*0Sstevel@tonic-gate 692*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(self), pcihp_list_occupants, 693*0Sstevel@tonic-gate (void *)&ctrl); 694*0Sstevel@tonic-gate 695*0Sstevel@tonic-gate if (occupant->i == 0) { 696*0Sstevel@tonic-gate /* no occupants right now, need to create stub property */ 697*0Sstevel@tonic-gate char *c[] = { "" }; 698*0Sstevel@tonic-gate (void) ddi_prop_update_string_array(dev, self, "pci-occupant", 699*0Sstevel@tonic-gate c, 1); 700*0Sstevel@tonic-gate } else { 701*0Sstevel@tonic-gate (void) ddi_prop_update_string_array(dev, self, "pci-occupant", 702*0Sstevel@tonic-gate occupant->id, occupant->i); 703*0Sstevel@tonic-gate } 704*0Sstevel@tonic-gate for (i = 0; i < occupant->i; i++) { 705*0Sstevel@tonic-gate kmem_free(occupant->id[i], sizeof (char[MAXPATHLEN])); 706*0Sstevel@tonic-gate } 707*0Sstevel@tonic-gate 708*0Sstevel@tonic-gate kmem_free(occupant, sizeof (hpc_occupant_info_t)); 709*0Sstevel@tonic-gate } 710*0Sstevel@tonic-gate 711*0Sstevel@tonic-gate static void 712*0Sstevel@tonic-gate pcihp_create_occupant_props(dev_info_t *self, dev_t dev, int pci_dev) 713*0Sstevel@tonic-gate { 714*0Sstevel@tonic-gate int circular; 715*0Sstevel@tonic-gate 716*0Sstevel@tonic-gate ndi_devi_enter(self, &circular); 717*0Sstevel@tonic-gate pcihp_create_occupant_props_nolock(self, dev, pci_dev); 718*0Sstevel@tonic-gate ndi_devi_exit(self, circular); 719*0Sstevel@tonic-gate } 720*0Sstevel@tonic-gate 721*0Sstevel@tonic-gate static void 722*0Sstevel@tonic-gate pcihp_delete_occupant_props(dev_info_t *dip, dev_t dev) 723*0Sstevel@tonic-gate { 724*0Sstevel@tonic-gate if (ddi_prop_remove(dev, dip, "pci-occupant") 725*0Sstevel@tonic-gate != DDI_PROP_SUCCESS) 726*0Sstevel@tonic-gate return; /* add error handling */ 727*0Sstevel@tonic-gate 728*0Sstevel@tonic-gate } 729*0Sstevel@tonic-gate 730*0Sstevel@tonic-gate /* 731*0Sstevel@tonic-gate * pcihp_ioctl: devctl hotplug controls 732*0Sstevel@tonic-gate */ 733*0Sstevel@tonic-gate /* ARGSUSED */ 734*0Sstevel@tonic-gate static int 735*0Sstevel@tonic-gate pcihp_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 736*0Sstevel@tonic-gate int *rvalp) 737*0Sstevel@tonic-gate { 738*0Sstevel@tonic-gate pcihp_t *pcihp_p; 739*0Sstevel@tonic-gate dev_info_t *self; 740*0Sstevel@tonic-gate struct devctl_iocdata *dcp; 741*0Sstevel@tonic-gate uint_t bus_state; 742*0Sstevel@tonic-gate int rv = 0; 743*0Sstevel@tonic-gate int pci_dev; 744*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 745*0Sstevel@tonic-gate hpc_slot_state_t rstate; 746*0Sstevel@tonic-gate devctl_ap_state_t ap_state; 747*0Sstevel@tonic-gate struct hpc_control_data hpc_ctrldata; 748*0Sstevel@tonic-gate struct hpc_led_info led_info; 749*0Sstevel@tonic-gate time_t time; 750*0Sstevel@tonic-gate int state_locking; 751*0Sstevel@tonic-gate int state_unlocking; 752*0Sstevel@tonic-gate int rval; 753*0Sstevel@tonic-gate char *pathname = NULL; 754*0Sstevel@tonic-gate 755*0Sstevel@tonic-gate /* 756*0Sstevel@tonic-gate * read devctl ioctl data before soft state retrieval 757*0Sstevel@tonic-gate */ 758*0Sstevel@tonic-gate if ((cmd != DEVCTL_AP_CONTROL) && 759*0Sstevel@tonic-gate ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 760*0Sstevel@tonic-gate return (EFAULT); 761*0Sstevel@tonic-gate 762*0Sstevel@tonic-gate if (pcihp_info(NULL, DDI_INFO_DEVT2DEVINFO, (void *)dev, 763*0Sstevel@tonic-gate (void **)&self) != DDI_SUCCESS) { 764*0Sstevel@tonic-gate if (cmd != DEVCTL_AP_CONTROL) 765*0Sstevel@tonic-gate ndi_dc_freehdl(dcp); 766*0Sstevel@tonic-gate return (ENXIO); 767*0Sstevel@tonic-gate } 768*0Sstevel@tonic-gate 769*0Sstevel@tonic-gate switch (cmd) { 770*0Sstevel@tonic-gate case DEVCTL_AP_INSERT: 771*0Sstevel@tonic-gate case DEVCTL_AP_REMOVE: 772*0Sstevel@tonic-gate case DEVCTL_AP_CONNECT: 773*0Sstevel@tonic-gate case DEVCTL_AP_DISCONNECT: 774*0Sstevel@tonic-gate case DEVCTL_AP_CONFIGURE: 775*0Sstevel@tonic-gate case DEVCTL_AP_UNCONFIGURE: 776*0Sstevel@tonic-gate case DEVCTL_AP_GETSTATE: 777*0Sstevel@tonic-gate case DEVCTL_AP_CONTROL: 778*0Sstevel@tonic-gate state_locking = PCIHP_DR_SLOT_ENTER; 779*0Sstevel@tonic-gate state_unlocking = PCIHP_DR_SLOT_EXIT; 780*0Sstevel@tonic-gate break; 781*0Sstevel@tonic-gate default: 782*0Sstevel@tonic-gate state_locking = PCIHP_DR_NOOP; 783*0Sstevel@tonic-gate state_unlocking = PCIHP_DR_NOOP; 784*0Sstevel@tonic-gate break; 785*0Sstevel@tonic-gate } 786*0Sstevel@tonic-gate 787*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(self, state_locking, &rval); 788*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 789*0Sstevel@tonic-gate 790*0Sstevel@tonic-gate if (rval == PCIHP_FAILURE) { 791*0Sstevel@tonic-gate (void) ddi_pathname(pcihp_p->dip, pathname); 792*0Sstevel@tonic-gate PCIHP_DEBUG((CE_WARN, "Hot Plug bus %s instance is unconfigured" 793*0Sstevel@tonic-gate " while slot activity is requested\n", pathname)); 794*0Sstevel@tonic-gate if (cmd != DEVCTL_AP_CONTROL) 795*0Sstevel@tonic-gate ndi_dc_freehdl(dcp); 796*0Sstevel@tonic-gate return (EBUSY); 797*0Sstevel@tonic-gate } 798*0Sstevel@tonic-gate 799*0Sstevel@tonic-gate /* 800*0Sstevel@tonic-gate * For attachment points the lower 8 bits of the minor number is the 801*0Sstevel@tonic-gate * PCI device number. 802*0Sstevel@tonic-gate */ 803*0Sstevel@tonic-gate pci_dev = PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(getminor(dev)); 804*0Sstevel@tonic-gate 805*0Sstevel@tonic-gate /* 806*0Sstevel@tonic-gate * We can use the generic implementation for these ioctls 807*0Sstevel@tonic-gate */ 808*0Sstevel@tonic-gate switch (cmd) { 809*0Sstevel@tonic-gate case DEVCTL_DEVICE_GETSTATE: 810*0Sstevel@tonic-gate case DEVCTL_DEVICE_ONLINE: 811*0Sstevel@tonic-gate case DEVCTL_DEVICE_OFFLINE: 812*0Sstevel@tonic-gate case DEVCTL_BUS_GETSTATE: 813*0Sstevel@tonic-gate rv = ndi_devctl_ioctl(self, cmd, arg, mode, 0); 814*0Sstevel@tonic-gate ndi_dc_freehdl(dcp); 815*0Sstevel@tonic-gate return (rv); 816*0Sstevel@tonic-gate default: 817*0Sstevel@tonic-gate break; 818*0Sstevel@tonic-gate } 819*0Sstevel@tonic-gate 820*0Sstevel@tonic-gate switch (cmd) { 821*0Sstevel@tonic-gate 822*0Sstevel@tonic-gate case DEVCTL_DEVICE_RESET: 823*0Sstevel@tonic-gate rv = ENOTSUP; 824*0Sstevel@tonic-gate break; 825*0Sstevel@tonic-gate 826*0Sstevel@tonic-gate case DEVCTL_BUS_QUIESCE: 827*0Sstevel@tonic-gate if (ndi_get_bus_state(self, &bus_state) == NDI_SUCCESS) 828*0Sstevel@tonic-gate if (bus_state == BUS_QUIESCED) 829*0Sstevel@tonic-gate break; 830*0Sstevel@tonic-gate (void) ndi_set_bus_state(self, BUS_QUIESCED); 831*0Sstevel@tonic-gate break; 832*0Sstevel@tonic-gate 833*0Sstevel@tonic-gate case DEVCTL_BUS_UNQUIESCE: 834*0Sstevel@tonic-gate if (ndi_get_bus_state(self, &bus_state) == NDI_SUCCESS) 835*0Sstevel@tonic-gate if (bus_state == BUS_ACTIVE) 836*0Sstevel@tonic-gate break; 837*0Sstevel@tonic-gate (void) ndi_set_bus_state(self, BUS_ACTIVE); 838*0Sstevel@tonic-gate break; 839*0Sstevel@tonic-gate 840*0Sstevel@tonic-gate case DEVCTL_BUS_RESET: 841*0Sstevel@tonic-gate rv = ENOTSUP; 842*0Sstevel@tonic-gate break; 843*0Sstevel@tonic-gate 844*0Sstevel@tonic-gate case DEVCTL_BUS_RESETALL: 845*0Sstevel@tonic-gate rv = ENOTSUP; 846*0Sstevel@tonic-gate break; 847*0Sstevel@tonic-gate 848*0Sstevel@tonic-gate case DEVCTL_AP_CONNECT: 849*0Sstevel@tonic-gate case DEVCTL_AP_DISCONNECT: 850*0Sstevel@tonic-gate /* 851*0Sstevel@tonic-gate * CONNECT(DISCONNECT) the hot plug slot to(from) the bus. 852*0Sstevel@tonic-gate * 853*0Sstevel@tonic-gate * For cPCI slots this operation is a nop so the HPC 854*0Sstevel@tonic-gate * driver may return success if it is a valid operation. 855*0Sstevel@tonic-gate */ 856*0Sstevel@tonic-gate case DEVCTL_AP_INSERT: 857*0Sstevel@tonic-gate case DEVCTL_AP_REMOVE: 858*0Sstevel@tonic-gate /* 859*0Sstevel@tonic-gate * Prepare the slot for INSERT/REMOVE operation. 860*0Sstevel@tonic-gate */ 861*0Sstevel@tonic-gate 862*0Sstevel@tonic-gate /* 863*0Sstevel@tonic-gate * check for valid request: 864*0Sstevel@tonic-gate * 1. It is a hotplug slot. 865*0Sstevel@tonic-gate * 2. The slot has no occupant that is in 866*0Sstevel@tonic-gate * the 'configured' state. 867*0Sstevel@tonic-gate */ 868*0Sstevel@tonic-gate if (pci_dev >= PCI_MAX_DEVS) { 869*0Sstevel@tonic-gate rv = ENXIO; 870*0Sstevel@tonic-gate break; 871*0Sstevel@tonic-gate } 872*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 873*0Sstevel@tonic-gate 874*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 875*0Sstevel@tonic-gate 876*0Sstevel@tonic-gate if ((slotinfop->slot_hdl == NULL) || 877*0Sstevel@tonic-gate (slotinfop->slot_flags & PCIHP_SLOT_DISABLED)) { 878*0Sstevel@tonic-gate rv = ENXIO; 879*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 880*0Sstevel@tonic-gate break; 881*0Sstevel@tonic-gate } 882*0Sstevel@tonic-gate 883*0Sstevel@tonic-gate /* the slot occupant must be in the UNCONFIGURED state */ 884*0Sstevel@tonic-gate if (slotinfop->ostate != AP_OSTATE_UNCONFIGURED) { 885*0Sstevel@tonic-gate rv = EINVAL; 886*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 887*0Sstevel@tonic-gate break; 888*0Sstevel@tonic-gate } 889*0Sstevel@tonic-gate /* 890*0Sstevel@tonic-gate * Call the HPC driver to perform the operation on the slot. 891*0Sstevel@tonic-gate */ 892*0Sstevel@tonic-gate 893*0Sstevel@tonic-gate switch (cmd) { 894*0Sstevel@tonic-gate case DEVCTL_AP_INSERT: 895*0Sstevel@tonic-gate rv = hpc_nexus_insert(slotinfop->slot_hdl, NULL, 0); 896*0Sstevel@tonic-gate break; 897*0Sstevel@tonic-gate case DEVCTL_AP_REMOVE: 898*0Sstevel@tonic-gate rv = hpc_nexus_remove(slotinfop->slot_hdl, NULL, 0); 899*0Sstevel@tonic-gate break; 900*0Sstevel@tonic-gate case DEVCTL_AP_CONNECT: 901*0Sstevel@tonic-gate rv = hpc_nexus_connect(slotinfop->slot_hdl, NULL, 0); 902*0Sstevel@tonic-gate if (rv == HPC_SUCCESS) { 903*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; 904*0Sstevel@tonic-gate 905*0Sstevel@tonic-gate if (drv_getparm(TIME, (void *)&time) != 906*0Sstevel@tonic-gate DDI_SUCCESS) 907*0Sstevel@tonic-gate slotinfop->last_change = (time_t)-1; 908*0Sstevel@tonic-gate else 909*0Sstevel@tonic-gate slotinfop->last_change = (time32_t)time; 910*0Sstevel@tonic-gate 911*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 912*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 913*0Sstevel@tonic-gate PCIHP_DR_AP_STATE_CHANGE, 914*0Sstevel@tonic-gate SE_NO_HINT, pcihp_p->dip, 915*0Sstevel@tonic-gate KM_SLEEP); 916*0Sstevel@tonic-gate } 917*0Sstevel@tonic-gate break; 918*0Sstevel@tonic-gate case DEVCTL_AP_DISCONNECT: 919*0Sstevel@tonic-gate rv = hpc_nexus_disconnect(slotinfop->slot_hdl, NULL, 0); 920*0Sstevel@tonic-gate if (rv == HPC_SUCCESS) { 921*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_DISCONNECTED; 922*0Sstevel@tonic-gate 923*0Sstevel@tonic-gate if (drv_getparm(TIME, (void *)&time) != 924*0Sstevel@tonic-gate DDI_SUCCESS) 925*0Sstevel@tonic-gate slotinfop->last_change = (time_t)-1; 926*0Sstevel@tonic-gate else 927*0Sstevel@tonic-gate slotinfop->last_change = (time32_t)time; 928*0Sstevel@tonic-gate 929*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 930*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 931*0Sstevel@tonic-gate PCIHP_DR_AP_STATE_CHANGE, 932*0Sstevel@tonic-gate SE_NO_HINT, pcihp_p->dip, 933*0Sstevel@tonic-gate KM_SLEEP); 934*0Sstevel@tonic-gate } 935*0Sstevel@tonic-gate break; 936*0Sstevel@tonic-gate } 937*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 938*0Sstevel@tonic-gate 939*0Sstevel@tonic-gate switch (rv) { 940*0Sstevel@tonic-gate case HPC_ERR_INVALID: 941*0Sstevel@tonic-gate rv = ENXIO; 942*0Sstevel@tonic-gate break; 943*0Sstevel@tonic-gate case HPC_ERR_NOTSUPPORTED: 944*0Sstevel@tonic-gate rv = ENOTSUP; 945*0Sstevel@tonic-gate break; 946*0Sstevel@tonic-gate case HPC_ERR_FAILED: 947*0Sstevel@tonic-gate rv = EIO; 948*0Sstevel@tonic-gate break; 949*0Sstevel@tonic-gate } 950*0Sstevel@tonic-gate 951*0Sstevel@tonic-gate break; 952*0Sstevel@tonic-gate 953*0Sstevel@tonic-gate case DEVCTL_AP_CONFIGURE: 954*0Sstevel@tonic-gate /* 955*0Sstevel@tonic-gate * ************************************** 956*0Sstevel@tonic-gate * CONFIGURE the occupant in the slot. 957*0Sstevel@tonic-gate * ************************************** 958*0Sstevel@tonic-gate */ 959*0Sstevel@tonic-gate 960*0Sstevel@tonic-gate rv = pcihp_configure_ap(pcihp_p, pci_dev); 961*0Sstevel@tonic-gate if (rv == HPC_SUCCESS) { 962*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 963*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 964*0Sstevel@tonic-gate PCIHP_DR_AP_STATE_CHANGE, 965*0Sstevel@tonic-gate SE_NO_HINT, pcihp_p->dip, KM_SLEEP); 966*0Sstevel@tonic-gate pcihp_create_occupant_props(self, dev, pci_dev); 967*0Sstevel@tonic-gate } 968*0Sstevel@tonic-gate 969*0Sstevel@tonic-gate break; 970*0Sstevel@tonic-gate 971*0Sstevel@tonic-gate case DEVCTL_AP_UNCONFIGURE: 972*0Sstevel@tonic-gate /* 973*0Sstevel@tonic-gate * ************************************** 974*0Sstevel@tonic-gate * UNCONFIGURE the occupant in the slot. 975*0Sstevel@tonic-gate * ************************************** 976*0Sstevel@tonic-gate */ 977*0Sstevel@tonic-gate 978*0Sstevel@tonic-gate rv = pcihp_unconfigure_ap(pcihp_p, pci_dev); 979*0Sstevel@tonic-gate 980*0Sstevel@tonic-gate if (rv == HPC_SUCCESS) { 981*0Sstevel@tonic-gate 982*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 983*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 984*0Sstevel@tonic-gate PCIHP_DR_AP_STATE_CHANGE, 985*0Sstevel@tonic-gate SE_NO_HINT, pcihp_p->dip, KM_SLEEP); 986*0Sstevel@tonic-gate pcihp_delete_occupant_props(pcihp_p->dip, dev); 987*0Sstevel@tonic-gate } 988*0Sstevel@tonic-gate 989*0Sstevel@tonic-gate break; 990*0Sstevel@tonic-gate 991*0Sstevel@tonic-gate case DEVCTL_AP_GETSTATE: 992*0Sstevel@tonic-gate { 993*0Sstevel@tonic-gate int mutex_held; 994*0Sstevel@tonic-gate 995*0Sstevel@tonic-gate /* 996*0Sstevel@tonic-gate * return the state of Attachment Point. 997*0Sstevel@tonic-gate * 998*0Sstevel@tonic-gate * If the occupant is in UNCONFIGURED state then 999*0Sstevel@tonic-gate * we should get the receptacle state from the 1000*0Sstevel@tonic-gate * HPC driver because the receptacle state 1001*0Sstevel@tonic-gate * maintained in the nexus may not be accurate. 1002*0Sstevel@tonic-gate */ 1003*0Sstevel@tonic-gate 1004*0Sstevel@tonic-gate /* 1005*0Sstevel@tonic-gate * check for valid request: 1006*0Sstevel@tonic-gate * 1. It is a hotplug slot. 1007*0Sstevel@tonic-gate */ 1008*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 1009*0Sstevel@tonic-gate 1010*0Sstevel@tonic-gate /* try to acquire the slot mutex */ 1011*0Sstevel@tonic-gate mutex_held = mutex_tryenter(&slotinfop->slot_mutex); 1012*0Sstevel@tonic-gate 1013*0Sstevel@tonic-gate if (pci_dev >= PCI_MAX_DEVS || slotinfop->slot_hdl == NULL) { 1014*0Sstevel@tonic-gate rv = ENXIO; 1015*0Sstevel@tonic-gate if (mutex_held) { 1016*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1017*0Sstevel@tonic-gate } 1018*0Sstevel@tonic-gate break; 1019*0Sstevel@tonic-gate } 1020*0Sstevel@tonic-gate 1021*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_UNCONFIGURED) { 1022*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 1023*0Sstevel@tonic-gate HPC_CTRL_GET_SLOT_STATE, (caddr_t)&rstate) != 0) { 1024*0Sstevel@tonic-gate rv = EIO; 1025*0Sstevel@tonic-gate if (mutex_held) 1026*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1027*0Sstevel@tonic-gate break; 1028*0Sstevel@tonic-gate } 1029*0Sstevel@tonic-gate slotinfop->rstate = (ap_rstate_t)rstate; 1030*0Sstevel@tonic-gate } 1031*0Sstevel@tonic-gate 1032*0Sstevel@tonic-gate ap_state.ap_rstate = slotinfop->rstate; 1033*0Sstevel@tonic-gate ap_state.ap_ostate = slotinfop->ostate; 1034*0Sstevel@tonic-gate ap_state.ap_condition = slotinfop->condition; 1035*0Sstevel@tonic-gate ap_state.ap_last_change = slotinfop->last_change; 1036*0Sstevel@tonic-gate ap_state.ap_error_code = 0; /* XXX */ 1037*0Sstevel@tonic-gate if (mutex_held) 1038*0Sstevel@tonic-gate ap_state.ap_in_transition = 0; /* AP is not busy */ 1039*0Sstevel@tonic-gate else 1040*0Sstevel@tonic-gate ap_state.ap_in_transition = 1; /* AP is busy */ 1041*0Sstevel@tonic-gate 1042*0Sstevel@tonic-gate if (mutex_held) 1043*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1044*0Sstevel@tonic-gate 1045*0Sstevel@tonic-gate /* copy the return-AP-state information to the user space */ 1046*0Sstevel@tonic-gate if (ndi_dc_return_ap_state(&ap_state, dcp) != NDI_SUCCESS) 1047*0Sstevel@tonic-gate rv = EFAULT; 1048*0Sstevel@tonic-gate 1049*0Sstevel@tonic-gate break; 1050*0Sstevel@tonic-gate 1051*0Sstevel@tonic-gate } 1052*0Sstevel@tonic-gate case DEVCTL_AP_CONTROL: 1053*0Sstevel@tonic-gate /* 1054*0Sstevel@tonic-gate * HPC control functions: 1055*0Sstevel@tonic-gate * HPC_CTRL_ENABLE_SLOT/HPC_CTRL_DISABLE_SLOT 1056*0Sstevel@tonic-gate * Changes the state of the slot and preserves 1057*0Sstevel@tonic-gate * the state across the reboot. 1058*0Sstevel@tonic-gate * HPC_CTRL_ENABLE_AUTOCFG/HPC_CTRL_DISABLE_AUTOCFG 1059*0Sstevel@tonic-gate * Enables or disables the auto configuration 1060*0Sstevel@tonic-gate * of hot plugged occupant if the hardware 1061*0Sstevel@tonic-gate * supports notification of the hot plug 1062*0Sstevel@tonic-gate * events. 1063*0Sstevel@tonic-gate * HPC_CTRL_GET_LED_STATE/HPC_CTRL_SET_LED_STATE 1064*0Sstevel@tonic-gate * Controls the state of an LED. 1065*0Sstevel@tonic-gate * HPC_CTRL_GET_SLOT_INFO 1066*0Sstevel@tonic-gate * Get slot information data structure 1067*0Sstevel@tonic-gate * (hpc_slot_info_t). 1068*0Sstevel@tonic-gate * HPC_CTRL_GET_BOARD_TYPE 1069*0Sstevel@tonic-gate * Get board type information (hpc_board_type_t). 1070*0Sstevel@tonic-gate * HPC_CTRL_GET_CARD_INFO 1071*0Sstevel@tonic-gate * Get card information (hpc_card_info_t). 1072*0Sstevel@tonic-gate * 1073*0Sstevel@tonic-gate * These control functions are used by the cfgadm plug-in 1074*0Sstevel@tonic-gate * to implement "-x" and "-v" options. 1075*0Sstevel@tonic-gate */ 1076*0Sstevel@tonic-gate 1077*0Sstevel@tonic-gate /* copy user ioctl data first */ 1078*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 1079*0Sstevel@tonic-gate if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) { 1080*0Sstevel@tonic-gate struct hpc_control32_data hpc_ctrldata32; 1081*0Sstevel@tonic-gate 1082*0Sstevel@tonic-gate if (copyin((void *)arg, (void *)&hpc_ctrldata32, 1083*0Sstevel@tonic-gate sizeof (struct hpc_control32_data)) != 0) { 1084*0Sstevel@tonic-gate rv = EFAULT; 1085*0Sstevel@tonic-gate break; 1086*0Sstevel@tonic-gate } 1087*0Sstevel@tonic-gate hpc_ctrldata.cmd = hpc_ctrldata32.cmd; 1088*0Sstevel@tonic-gate hpc_ctrldata.data = 1089*0Sstevel@tonic-gate (void *)(intptr_t)hpc_ctrldata32.data; 1090*0Sstevel@tonic-gate } 1091*0Sstevel@tonic-gate #else 1092*0Sstevel@tonic-gate if (copyin((void *)arg, (void *)&hpc_ctrldata, 1093*0Sstevel@tonic-gate sizeof (struct hpc_control_data)) != 0) { 1094*0Sstevel@tonic-gate rv = EFAULT; 1095*0Sstevel@tonic-gate break; 1096*0Sstevel@tonic-gate } 1097*0Sstevel@tonic-gate #endif 1098*0Sstevel@tonic-gate 1099*0Sstevel@tonic-gate /* 1100*0Sstevel@tonic-gate * check for valid request: 1101*0Sstevel@tonic-gate * 1. It is a hotplug slot. 1102*0Sstevel@tonic-gate */ 1103*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 1104*0Sstevel@tonic-gate 1105*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 1106*0Sstevel@tonic-gate 1107*0Sstevel@tonic-gate if (pci_dev >= PCI_MAX_DEVS || slotinfop->slot_hdl == NULL) { 1108*0Sstevel@tonic-gate rv = ENXIO; 1109*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1110*0Sstevel@tonic-gate break; 1111*0Sstevel@tonic-gate } 1112*0Sstevel@tonic-gate 1113*0Sstevel@tonic-gate switch (hpc_ctrldata.cmd) { 1114*0Sstevel@tonic-gate 1115*0Sstevel@tonic-gate case HPC_CTRL_GET_LED_STATE: 1116*0Sstevel@tonic-gate /* copy the led info from the user space */ 1117*0Sstevel@tonic-gate if (copyin(hpc_ctrldata.data, (void *)&led_info, 1118*0Sstevel@tonic-gate sizeof (hpc_led_info_t)) != 0) { 1119*0Sstevel@tonic-gate rv = EFAULT; 1120*0Sstevel@tonic-gate break; 1121*0Sstevel@tonic-gate } 1122*0Sstevel@tonic-gate 1123*0Sstevel@tonic-gate /* get the state of LED information */ 1124*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 1125*0Sstevel@tonic-gate HPC_CTRL_GET_LED_STATE, 1126*0Sstevel@tonic-gate (caddr_t)&led_info) != 0) { 1127*0Sstevel@tonic-gate 1128*0Sstevel@tonic-gate if (rv != ENOTSUP) 1129*0Sstevel@tonic-gate rv = EIO; 1130*0Sstevel@tonic-gate 1131*0Sstevel@tonic-gate break; 1132*0Sstevel@tonic-gate } 1133*0Sstevel@tonic-gate 1134*0Sstevel@tonic-gate /* copy the led info to the user space */ 1135*0Sstevel@tonic-gate if (copyout((void *)&led_info, 1136*0Sstevel@tonic-gate hpc_ctrldata.data, 1137*0Sstevel@tonic-gate sizeof (hpc_led_info_t)) != 0) { 1138*0Sstevel@tonic-gate rv = EFAULT; 1139*0Sstevel@tonic-gate break; 1140*0Sstevel@tonic-gate } 1141*0Sstevel@tonic-gate 1142*0Sstevel@tonic-gate break; 1143*0Sstevel@tonic-gate 1144*0Sstevel@tonic-gate case HPC_CTRL_SET_LED_STATE: 1145*0Sstevel@tonic-gate /* copy the led info from the user space */ 1146*0Sstevel@tonic-gate if (copyin(hpc_ctrldata.data, (void *)&led_info, 1147*0Sstevel@tonic-gate sizeof (hpc_led_info_t)) != 0) { 1148*0Sstevel@tonic-gate rv = EFAULT; 1149*0Sstevel@tonic-gate break; 1150*0Sstevel@tonic-gate } 1151*0Sstevel@tonic-gate 1152*0Sstevel@tonic-gate /* set the state of an LED */ 1153*0Sstevel@tonic-gate rv = hpc_nexus_control(slotinfop->slot_hdl, 1154*0Sstevel@tonic-gate HPC_CTRL_SET_LED_STATE, (caddr_t)&led_info); 1155*0Sstevel@tonic-gate 1156*0Sstevel@tonic-gate /* 1157*0Sstevel@tonic-gate * If the Hotswap Controller does not support 1158*0Sstevel@tonic-gate * LED management (as you would find typically 1159*0Sstevel@tonic-gate * in the cPCI industry), then we handle the 1160*0Sstevel@tonic-gate * blue LED on/off/blink operations, just in 1161*0Sstevel@tonic-gate * case it helps slot identification. 1162*0Sstevel@tonic-gate */ 1163*0Sstevel@tonic-gate if ((rv == HPC_ERR_NOTSUPPORTED) && 1164*0Sstevel@tonic-gate (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI)) { 1165*0Sstevel@tonic-gate if (led_info.led != HPC_ATTN_LED) 1166*0Sstevel@tonic-gate break; 1167*0Sstevel@tonic-gate 1168*0Sstevel@tonic-gate switch (led_info.state) { 1169*0Sstevel@tonic-gate case HPC_LED_OFF: 1170*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 1171*0Sstevel@tonic-gate pci_dev, 1172*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 1173*0Sstevel@tonic-gate rv = 0; 1174*0Sstevel@tonic-gate break; 1175*0Sstevel@tonic-gate case HPC_LED_ON: 1176*0Sstevel@tonic-gate /* 1177*0Sstevel@tonic-gate * Please note that leaving 1178*0Sstevel@tonic-gate * LED ON could be dangerous 1179*0Sstevel@tonic-gate * as it means it is Ok to 1180*0Sstevel@tonic-gate * remove the board, which 1181*0Sstevel@tonic-gate * is not what we want to 1182*0Sstevel@tonic-gate * convey. So it is upto the 1183*0Sstevel@tonic-gate * user to take care of this 1184*0Sstevel@tonic-gate * situation and usage. 1185*0Sstevel@tonic-gate * 1186*0Sstevel@tonic-gate * Normally, a Blink command 1187*0Sstevel@tonic-gate * is more appropriate for 1188*0Sstevel@tonic-gate * identifying a board. 1189*0Sstevel@tonic-gate */ 1190*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 1191*0Sstevel@tonic-gate pci_dev, 1192*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 1193*0Sstevel@tonic-gate rv = 0; 1194*0Sstevel@tonic-gate break; 1195*0Sstevel@tonic-gate case HPC_LED_BLINK: 1196*0Sstevel@tonic-gate { 1197*0Sstevel@tonic-gate int bl; 1198*0Sstevel@tonic-gate 1199*0Sstevel@tonic-gate for (bl = 0; bl < 2; bl++) { 1200*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 1201*0Sstevel@tonic-gate pci_dev, 1202*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 1203*0Sstevel@tonic-gate delay(pcihp_cpci_led_blink); 1204*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 1205*0Sstevel@tonic-gate pci_dev, 1206*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 1207*0Sstevel@tonic-gate delay(pcihp_cpci_led_blink); 1208*0Sstevel@tonic-gate } 1209*0Sstevel@tonic-gate rv = 0; 1210*0Sstevel@tonic-gate break; 1211*0Sstevel@tonic-gate } 1212*0Sstevel@tonic-gate default: 1213*0Sstevel@tonic-gate break; 1214*0Sstevel@tonic-gate } 1215*0Sstevel@tonic-gate } 1216*0Sstevel@tonic-gate 1217*0Sstevel@tonic-gate if (rv == HPC_ERR_FAILED) 1218*0Sstevel@tonic-gate rv = EIO; 1219*0Sstevel@tonic-gate break; 1220*0Sstevel@tonic-gate 1221*0Sstevel@tonic-gate case HPC_CTRL_ENABLE_SLOT: 1222*0Sstevel@tonic-gate 1223*0Sstevel@tonic-gate /* 1224*0Sstevel@tonic-gate * If slot already enabled, do not send a duplicate 1225*0Sstevel@tonic-gate * control message to the HPC driver. 1226*0Sstevel@tonic-gate */ 1227*0Sstevel@tonic-gate if ((slotinfop->slot_flags & PCIHP_SLOT_DISABLED) == 0) 1228*0Sstevel@tonic-gate break; 1229*0Sstevel@tonic-gate 1230*0Sstevel@tonic-gate /* tell the HPC driver also */ 1231*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 1232*0Sstevel@tonic-gate HPC_CTRL_ENABLE_SLOT, NULL) 1233*0Sstevel@tonic-gate != HPC_SUCCESS) { 1234*0Sstevel@tonic-gate rv = EIO; 1235*0Sstevel@tonic-gate break; 1236*0Sstevel@tonic-gate } 1237*0Sstevel@tonic-gate 1238*0Sstevel@tonic-gate /* 1239*0Sstevel@tonic-gate * Enable the slot for hotplug operations. 1240*0Sstevel@tonic-gate */ 1241*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_DISABLED; 1242*0Sstevel@tonic-gate 1243*0Sstevel@tonic-gate slotinfop->condition = AP_COND_UNKNOWN; 1244*0Sstevel@tonic-gate 1245*0Sstevel@tonic-gate /* XXX need to preserve this state across reboot? */ 1246*0Sstevel@tonic-gate 1247*0Sstevel@tonic-gate break; 1248*0Sstevel@tonic-gate 1249*0Sstevel@tonic-gate case HPC_CTRL_DISABLE_SLOT: 1250*0Sstevel@tonic-gate 1251*0Sstevel@tonic-gate /* Do not disable if occupant configured */ 1252*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_CONFIGURED) { 1253*0Sstevel@tonic-gate rv = EAGAIN; 1254*0Sstevel@tonic-gate break; 1255*0Sstevel@tonic-gate } 1256*0Sstevel@tonic-gate 1257*0Sstevel@tonic-gate /* tell the HPC driver also */ 1258*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 1259*0Sstevel@tonic-gate HPC_CTRL_DISABLE_SLOT, NULL) 1260*0Sstevel@tonic-gate != HPC_SUCCESS) { 1261*0Sstevel@tonic-gate rv = EIO; 1262*0Sstevel@tonic-gate break; 1263*0Sstevel@tonic-gate } 1264*0Sstevel@tonic-gate 1265*0Sstevel@tonic-gate /* 1266*0Sstevel@tonic-gate * Disable the slot for hotplug operations. 1267*0Sstevel@tonic-gate */ 1268*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_DISABLED; 1269*0Sstevel@tonic-gate 1270*0Sstevel@tonic-gate slotinfop->condition = AP_COND_UNUSABLE; 1271*0Sstevel@tonic-gate 1272*0Sstevel@tonic-gate /* XXX need to preserve this state across reboot? */ 1273*0Sstevel@tonic-gate 1274*0Sstevel@tonic-gate break; 1275*0Sstevel@tonic-gate 1276*0Sstevel@tonic-gate case HPC_CTRL_ENABLE_AUTOCFG: 1277*0Sstevel@tonic-gate /* 1278*0Sstevel@tonic-gate * Enable auto configuration on this slot. 1279*0Sstevel@tonic-gate */ 1280*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_AUTO_CFG_EN; 1281*0Sstevel@tonic-gate 1282*0Sstevel@tonic-gate /* tell the HPC driver also */ 1283*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1284*0Sstevel@tonic-gate HPC_CTRL_ENABLE_AUTOCFG, NULL); 1285*0Sstevel@tonic-gate 1286*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) 1287*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1288*0Sstevel@tonic-gate HPC_EVENT_ENABLE_ENUM); 1289*0Sstevel@tonic-gate break; 1290*0Sstevel@tonic-gate 1291*0Sstevel@tonic-gate case HPC_CTRL_DISABLE_AUTOCFG: 1292*0Sstevel@tonic-gate /* 1293*0Sstevel@tonic-gate * Disable auto configuration on this slot. 1294*0Sstevel@tonic-gate */ 1295*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_AUTO_CFG_EN; 1296*0Sstevel@tonic-gate 1297*0Sstevel@tonic-gate /* tell the HPC driver also */ 1298*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1299*0Sstevel@tonic-gate HPC_CTRL_DISABLE_AUTOCFG, NULL); 1300*0Sstevel@tonic-gate 1301*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) 1302*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1303*0Sstevel@tonic-gate HPC_EVENT_DISABLE_ENUM); 1304*0Sstevel@tonic-gate break; 1305*0Sstevel@tonic-gate 1306*0Sstevel@tonic-gate case HPC_CTRL_GET_BOARD_TYPE: 1307*0Sstevel@tonic-gate { 1308*0Sstevel@tonic-gate hpc_board_type_t board_type; 1309*0Sstevel@tonic-gate 1310*0Sstevel@tonic-gate /* 1311*0Sstevel@tonic-gate * Get board type data structure, hpc_board_type_t. 1312*0Sstevel@tonic-gate */ 1313*0Sstevel@tonic-gate board_type = pcihp_get_board_type(slotinfop); 1314*0Sstevel@tonic-gate if (board_type == -1) { 1315*0Sstevel@tonic-gate rv = ENXIO; 1316*0Sstevel@tonic-gate break; 1317*0Sstevel@tonic-gate } 1318*0Sstevel@tonic-gate 1319*0Sstevel@tonic-gate /* copy the board type info to the user space */ 1320*0Sstevel@tonic-gate if (copyout((void *)&board_type, hpc_ctrldata.data, 1321*0Sstevel@tonic-gate sizeof (hpc_board_type_t)) != 0) { 1322*0Sstevel@tonic-gate rv = ENXIO; 1323*0Sstevel@tonic-gate break; 1324*0Sstevel@tonic-gate } 1325*0Sstevel@tonic-gate 1326*0Sstevel@tonic-gate break; 1327*0Sstevel@tonic-gate } 1328*0Sstevel@tonic-gate 1329*0Sstevel@tonic-gate case HPC_CTRL_GET_SLOT_INFO: 1330*0Sstevel@tonic-gate { 1331*0Sstevel@tonic-gate hpc_slot_info_t slot_info; 1332*0Sstevel@tonic-gate 1333*0Sstevel@tonic-gate /* 1334*0Sstevel@tonic-gate * Get slot information structure, hpc_slot_info_t. 1335*0Sstevel@tonic-gate */ 1336*0Sstevel@tonic-gate slot_info.version = HPC_SLOT_INFO_VERSION; 1337*0Sstevel@tonic-gate slot_info.slot_type = slotinfop->slot_type; 1338*0Sstevel@tonic-gate slot_info.pci_slot_capabilities = 1339*0Sstevel@tonic-gate slotinfop->slot_capabilities; 1340*0Sstevel@tonic-gate slot_info.pci_dev_num = (uint16_t)pci_dev; 1341*0Sstevel@tonic-gate (void) strcpy(slot_info.pci_slot_name, slotinfop->name); 1342*0Sstevel@tonic-gate 1343*0Sstevel@tonic-gate /* copy the slot info structure to the user space */ 1344*0Sstevel@tonic-gate if (copyout((void *)&slot_info, hpc_ctrldata.data, 1345*0Sstevel@tonic-gate sizeof (hpc_slot_info_t)) != 0) { 1346*0Sstevel@tonic-gate rv = EFAULT; 1347*0Sstevel@tonic-gate break; 1348*0Sstevel@tonic-gate } 1349*0Sstevel@tonic-gate 1350*0Sstevel@tonic-gate break; 1351*0Sstevel@tonic-gate } 1352*0Sstevel@tonic-gate 1353*0Sstevel@tonic-gate case HPC_CTRL_GET_CARD_INFO: 1354*0Sstevel@tonic-gate { 1355*0Sstevel@tonic-gate hpc_card_info_t card_info; 1356*0Sstevel@tonic-gate ddi_acc_handle_t handle; 1357*0Sstevel@tonic-gate dev_info_t *cdip; 1358*0Sstevel@tonic-gate 1359*0Sstevel@tonic-gate /* 1360*0Sstevel@tonic-gate * Get card information structure, hpc_card_info_t. 1361*0Sstevel@tonic-gate */ 1362*0Sstevel@tonic-gate 1363*0Sstevel@tonic-gate /* verify that the card is configured */ 1364*0Sstevel@tonic-gate if ((slotinfop->ostate != AP_OSTATE_CONFIGURED) || 1365*0Sstevel@tonic-gate ((cdip = pcihp_devi_find(self, pci_dev, 1366*0Sstevel@tonic-gate 0)) == NULL)) { 1367*0Sstevel@tonic-gate /* either the card is not present or */ 1368*0Sstevel@tonic-gate /* it is not configured. */ 1369*0Sstevel@tonic-gate rv = ENXIO; 1370*0Sstevel@tonic-gate break; 1371*0Sstevel@tonic-gate } 1372*0Sstevel@tonic-gate 1373*0Sstevel@tonic-gate /* 1374*0Sstevel@tonic-gate * If declared failed, don't allow Config operations. 1375*0Sstevel@tonic-gate * Otherwise, if good or failing, it is assumed Ok 1376*0Sstevel@tonic-gate * to get config data. 1377*0Sstevel@tonic-gate */ 1378*0Sstevel@tonic-gate if (slotinfop->condition == AP_COND_FAILED) { 1379*0Sstevel@tonic-gate rv = EIO; 1380*0Sstevel@tonic-gate break; 1381*0Sstevel@tonic-gate } 1382*0Sstevel@tonic-gate 1383*0Sstevel@tonic-gate /* get the information from the PCI config header */ 1384*0Sstevel@tonic-gate /* for the function 0. */ 1385*0Sstevel@tonic-gate if (pci_config_setup(cdip, &handle) != DDI_SUCCESS) { 1386*0Sstevel@tonic-gate rv = EIO; 1387*0Sstevel@tonic-gate break; 1388*0Sstevel@tonic-gate } 1389*0Sstevel@tonic-gate card_info.prog_class = pci_config_get8(handle, 1390*0Sstevel@tonic-gate PCI_CONF_PROGCLASS); 1391*0Sstevel@tonic-gate card_info.base_class = pci_config_get8(handle, 1392*0Sstevel@tonic-gate PCI_CONF_BASCLASS); 1393*0Sstevel@tonic-gate card_info.sub_class = pci_config_get8(handle, 1394*0Sstevel@tonic-gate PCI_CONF_SUBCLASS); 1395*0Sstevel@tonic-gate card_info.header_type = pci_config_get8(handle, 1396*0Sstevel@tonic-gate PCI_CONF_HEADER); 1397*0Sstevel@tonic-gate pci_config_teardown(&handle); 1398*0Sstevel@tonic-gate 1399*0Sstevel@tonic-gate /* copy the card info structure to the user space */ 1400*0Sstevel@tonic-gate if (copyout((void *)&card_info, hpc_ctrldata.data, 1401*0Sstevel@tonic-gate sizeof (hpc_card_info_t)) != 0) { 1402*0Sstevel@tonic-gate rv = EFAULT; 1403*0Sstevel@tonic-gate break; 1404*0Sstevel@tonic-gate } 1405*0Sstevel@tonic-gate 1406*0Sstevel@tonic-gate break; 1407*0Sstevel@tonic-gate } 1408*0Sstevel@tonic-gate 1409*0Sstevel@tonic-gate default: 1410*0Sstevel@tonic-gate rv = EINVAL; 1411*0Sstevel@tonic-gate break; 1412*0Sstevel@tonic-gate } 1413*0Sstevel@tonic-gate 1414*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1415*0Sstevel@tonic-gate 1416*0Sstevel@tonic-gate break; 1417*0Sstevel@tonic-gate 1418*0Sstevel@tonic-gate default: 1419*0Sstevel@tonic-gate rv = ENOTTY; 1420*0Sstevel@tonic-gate } 1421*0Sstevel@tonic-gate 1422*0Sstevel@tonic-gate if (cmd != DEVCTL_AP_CONTROL) 1423*0Sstevel@tonic-gate ndi_dc_freehdl(dcp); 1424*0Sstevel@tonic-gate 1425*0Sstevel@tonic-gate (void) pcihp_get_soft_state(self, state_unlocking, &rval); 1426*0Sstevel@tonic-gate 1427*0Sstevel@tonic-gate return (rv); 1428*0Sstevel@tonic-gate } 1429*0Sstevel@tonic-gate 1430*0Sstevel@tonic-gate /* 1431*0Sstevel@tonic-gate * ************************************** 1432*0Sstevel@tonic-gate * CONFIGURE the occupant in the slot. 1433*0Sstevel@tonic-gate * ************************************** 1434*0Sstevel@tonic-gate */ 1435*0Sstevel@tonic-gate static int 1436*0Sstevel@tonic-gate pcihp_configure_ap(pcihp_t *pcihp_p, int pci_dev) 1437*0Sstevel@tonic-gate { 1438*0Sstevel@tonic-gate dev_info_t *self = pcihp_p->dip; 1439*0Sstevel@tonic-gate int rv = HPC_SUCCESS; 1440*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 1441*0Sstevel@tonic-gate hpc_slot_state_t rstate; 1442*0Sstevel@tonic-gate struct pcihp_config_ctrl ctrl; 1443*0Sstevel@tonic-gate int circular_count; 1444*0Sstevel@tonic-gate time_t time; 1445*0Sstevel@tonic-gate 1446*0Sstevel@tonic-gate /* 1447*0Sstevel@tonic-gate * check for valid request: 1448*0Sstevel@tonic-gate * 1. It is a hotplug slot. 1449*0Sstevel@tonic-gate * 2. The receptacle is in the CONNECTED state. 1450*0Sstevel@tonic-gate */ 1451*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 1452*0Sstevel@tonic-gate 1453*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 1454*0Sstevel@tonic-gate 1455*0Sstevel@tonic-gate if ((pci_dev >= PCI_MAX_DEVS) || (slotinfop->slot_hdl == NULL) || 1456*0Sstevel@tonic-gate (slotinfop->slot_flags & PCIHP_SLOT_DISABLED)) { 1457*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1458*0Sstevel@tonic-gate return (ENXIO); 1459*0Sstevel@tonic-gate } 1460*0Sstevel@tonic-gate 1461*0Sstevel@tonic-gate /* 1462*0Sstevel@tonic-gate * If the occupant is already in (partially?) configured 1463*0Sstevel@tonic-gate * state then call the ndi_devi_online() on the device 1464*0Sstevel@tonic-gate * subtree(s) for this attachment point. 1465*0Sstevel@tonic-gate */ 1466*0Sstevel@tonic-gate 1467*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_CONFIGURED) { 1468*0Sstevel@tonic-gate ctrl.flags = PCIHP_CFG_CONTINUE; 1469*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 1470*0Sstevel@tonic-gate ctrl.dip = NULL; 1471*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 1472*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 1473*0Sstevel@tonic-gate 1474*0Sstevel@tonic-gate ndi_devi_enter(self, &circular_count); 1475*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(self), pcihp_configure, 1476*0Sstevel@tonic-gate (void *)&ctrl); 1477*0Sstevel@tonic-gate ndi_devi_exit(self, circular_count); 1478*0Sstevel@tonic-gate 1479*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 1480*0Sstevel@tonic-gate /* 1481*0Sstevel@tonic-gate * one or more of the devices are not 1482*0Sstevel@tonic-gate * onlined. How is this to be reported? 1483*0Sstevel@tonic-gate */ 1484*0Sstevel@tonic-gate cmn_err(CE_WARN, 1485*0Sstevel@tonic-gate "pcihp (%s%d): failed to attach one or" 1486*0Sstevel@tonic-gate " more drivers for the card in the slot %s", 1487*0Sstevel@tonic-gate ddi_driver_name(self), ddi_get_instance(self), 1488*0Sstevel@tonic-gate slotinfop->name); 1489*0Sstevel@tonic-gate /* rv = EFAULT; */ 1490*0Sstevel@tonic-gate } 1491*0Sstevel@tonic-gate /* tell HPC driver that the occupant is configured */ 1492*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1493*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIGURED, NULL); 1494*0Sstevel@tonic-gate 1495*0Sstevel@tonic-gate if (drv_getparm(TIME, (void *)&time) != DDI_SUCCESS) 1496*0Sstevel@tonic-gate slotinfop->last_change = (time_t)-1; 1497*0Sstevel@tonic-gate else 1498*0Sstevel@tonic-gate slotinfop->last_change = (time32_t)time; 1499*0Sstevel@tonic-gate 1500*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1501*0Sstevel@tonic-gate return (rv); 1502*0Sstevel@tonic-gate } 1503*0Sstevel@tonic-gate 1504*0Sstevel@tonic-gate /* 1505*0Sstevel@tonic-gate * Occupant is in the UNCONFIGURED state. 1506*0Sstevel@tonic-gate */ 1507*0Sstevel@tonic-gate 1508*0Sstevel@tonic-gate /* Check if the receptacle is in the CONNECTED state. */ 1509*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 1510*0Sstevel@tonic-gate HPC_CTRL_GET_SLOT_STATE, (caddr_t)&rstate) != 0) { 1511*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1512*0Sstevel@tonic-gate return (ENXIO); 1513*0Sstevel@tonic-gate } 1514*0Sstevel@tonic-gate 1515*0Sstevel@tonic-gate if (rstate == HPC_SLOT_EMPTY) { 1516*0Sstevel@tonic-gate /* error. slot is empty */ 1517*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1518*0Sstevel@tonic-gate return (ENXIO); 1519*0Sstevel@tonic-gate } 1520*0Sstevel@tonic-gate 1521*0Sstevel@tonic-gate if (rstate != HPC_SLOT_CONNECTED) { 1522*0Sstevel@tonic-gate /* error. either the slot is empty or connect failed */ 1523*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1524*0Sstevel@tonic-gate return (ENXIO); 1525*0Sstevel@tonic-gate } 1526*0Sstevel@tonic-gate 1527*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; /* record rstate */ 1528*0Sstevel@tonic-gate 1529*0Sstevel@tonic-gate /* Turn INS and LED off, and start configuration. */ 1530*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 1531*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1532*0Sstevel@tonic-gate HPC_EVENT_SLOT_CONFIGURE); 1533*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 1534*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1535*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 1536*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_ENUM_INS_PENDING; 1537*0Sstevel@tonic-gate } 1538*0Sstevel@tonic-gate 1539*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1540*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_START, NULL); 1541*0Sstevel@tonic-gate 1542*0Sstevel@tonic-gate /* 1543*0Sstevel@tonic-gate * Call the configurator to configure the card. 1544*0Sstevel@tonic-gate */ 1545*0Sstevel@tonic-gate if (pcicfg_configure(self, pci_dev) != PCICFG_SUCCESS) { 1546*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 1547*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 1548*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1549*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 1550*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1551*0Sstevel@tonic-gate HPC_EVENT_SLOT_UNCONFIGURE); 1552*0Sstevel@tonic-gate } 1553*0Sstevel@tonic-gate /* tell HPC driver occupant configure Error */ 1554*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1555*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_FAILURE, NULL); 1556*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1557*0Sstevel@tonic-gate return (EIO); 1558*0Sstevel@tonic-gate } 1559*0Sstevel@tonic-gate 1560*0Sstevel@tonic-gate /* record the occupant state as CONFIGURED */ 1561*0Sstevel@tonic-gate slotinfop->ostate = AP_OSTATE_CONFIGURED; 1562*0Sstevel@tonic-gate slotinfop->condition = AP_COND_OK; 1563*0Sstevel@tonic-gate 1564*0Sstevel@tonic-gate /* now, online all the devices in the AP */ 1565*0Sstevel@tonic-gate ctrl.flags = PCIHP_CFG_CONTINUE; 1566*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 1567*0Sstevel@tonic-gate ctrl.dip = NULL; 1568*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 1569*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 1570*0Sstevel@tonic-gate 1571*0Sstevel@tonic-gate ndi_devi_enter(self, &circular_count); 1572*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(self), pcihp_configure, 1573*0Sstevel@tonic-gate (void *)&ctrl); 1574*0Sstevel@tonic-gate ndi_devi_exit(self, circular_count); 1575*0Sstevel@tonic-gate 1576*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 1577*0Sstevel@tonic-gate /* 1578*0Sstevel@tonic-gate * one or more of the devices are not 1579*0Sstevel@tonic-gate * ONLINE'd. How is this to be 1580*0Sstevel@tonic-gate * reported? 1581*0Sstevel@tonic-gate */ 1582*0Sstevel@tonic-gate cmn_err(CE_WARN, 1583*0Sstevel@tonic-gate "pcihp (%s%d): failed to attach one or" 1584*0Sstevel@tonic-gate " more drivers for the card in" 1585*0Sstevel@tonic-gate " the slot %s", 1586*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 1587*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 1588*0Sstevel@tonic-gate slotinfop->name); 1589*0Sstevel@tonic-gate /* rv = EFAULT; */ 1590*0Sstevel@tonic-gate } 1591*0Sstevel@tonic-gate /* store HS_CSR location. No events, jut a read operation. */ 1592*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) 1593*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, -1); 1594*0Sstevel@tonic-gate 1595*0Sstevel@tonic-gate /* tell HPC driver that the occupant is configured */ 1596*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1597*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIGURED, NULL); 1598*0Sstevel@tonic-gate 1599*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1600*0Sstevel@tonic-gate return (rv); 1601*0Sstevel@tonic-gate } 1602*0Sstevel@tonic-gate 1603*0Sstevel@tonic-gate /* 1604*0Sstevel@tonic-gate * ************************************** 1605*0Sstevel@tonic-gate * UNCONFIGURE the occupant in the slot. 1606*0Sstevel@tonic-gate * ************************************** 1607*0Sstevel@tonic-gate */ 1608*0Sstevel@tonic-gate static int 1609*0Sstevel@tonic-gate pcihp_unconfigure_ap(pcihp_t *pcihp_p, int pci_dev) 1610*0Sstevel@tonic-gate { 1611*0Sstevel@tonic-gate dev_info_t *self = pcihp_p->dip; 1612*0Sstevel@tonic-gate int rv = HPC_SUCCESS; 1613*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 1614*0Sstevel@tonic-gate struct pcihp_config_ctrl ctrl; 1615*0Sstevel@tonic-gate int circular_count; 1616*0Sstevel@tonic-gate time_t time; 1617*0Sstevel@tonic-gate 1618*0Sstevel@tonic-gate /* 1619*0Sstevel@tonic-gate * check for valid request: 1620*0Sstevel@tonic-gate * 1. It is a hotplug slot. 1621*0Sstevel@tonic-gate * 2. The occupant is in the CONFIGURED state. 1622*0Sstevel@tonic-gate */ 1623*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 1624*0Sstevel@tonic-gate 1625*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 1626*0Sstevel@tonic-gate 1627*0Sstevel@tonic-gate if ((pci_dev >= PCI_MAX_DEVS) || (slotinfop->slot_hdl == NULL) || 1628*0Sstevel@tonic-gate (slotinfop->slot_flags & PCIHP_SLOT_DISABLED)) { 1629*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1630*0Sstevel@tonic-gate return (ENXIO); 1631*0Sstevel@tonic-gate } 1632*0Sstevel@tonic-gate /* 1633*0Sstevel@tonic-gate * The following may not need to be there, as we should 1634*0Sstevel@tonic-gate * support unconfiguring of boards and free resources 1635*0Sstevel@tonic-gate * even when the board is not hotswappable. But this is 1636*0Sstevel@tonic-gate * the only way, we may be able to tell the system 1637*0Sstevel@tonic-gate * administrator that it is not a hotswap board since 1638*0Sstevel@tonic-gate * disconnect operation is never called. 1639*0Sstevel@tonic-gate * This way we help the system administrator from not 1640*0Sstevel@tonic-gate * accidentally removing a non hotswap board and 1641*0Sstevel@tonic-gate * possibly destroying it. May be this behavior can 1642*0Sstevel@tonic-gate * be a default, and can be enabled or disabled via 1643*0Sstevel@tonic-gate * a global flag. 1644*0Sstevel@tonic-gate */ 1645*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 1646*0Sstevel@tonic-gate if (slotinfop->slot_flags & 1647*0Sstevel@tonic-gate PCIHP_SLOT_DEV_NON_HOTPLUG) { 1648*0Sstevel@tonic-gate /* Operation unsupported if no HS board/slot */ 1649*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1650*0Sstevel@tonic-gate return (ENOTSUP); 1651*0Sstevel@tonic-gate } 1652*0Sstevel@tonic-gate } 1653*0Sstevel@tonic-gate 1654*0Sstevel@tonic-gate /* 1655*0Sstevel@tonic-gate * If the occupant is in the CONFIGURED state then 1656*0Sstevel@tonic-gate * call the configurator to unconfigure the slot. 1657*0Sstevel@tonic-gate */ 1658*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_CONFIGURED) { 1659*0Sstevel@tonic-gate 1660*0Sstevel@tonic-gate /* 1661*0Sstevel@tonic-gate * since potential state change is imminent mask 1662*0Sstevel@tonic-gate * enum events to prevent the slot from being re-configured 1663*0Sstevel@tonic-gate */ 1664*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_DISABLE_ENUM); 1665*0Sstevel@tonic-gate 1666*0Sstevel@tonic-gate /* 1667*0Sstevel@tonic-gate * Detach all the drivers for the devices in the 1668*0Sstevel@tonic-gate * slot. Call pcihp_configure() to do this. 1669*0Sstevel@tonic-gate */ 1670*0Sstevel@tonic-gate ctrl.flags = 0; 1671*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 1672*0Sstevel@tonic-gate ctrl.dip = NULL; 1673*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 1674*0Sstevel@tonic-gate ctrl.op = PCIHP_OFFLINE; 1675*0Sstevel@tonic-gate 1676*0Sstevel@tonic-gate (void) devfs_clean(self, NULL, DV_CLEAN_FORCE); 1677*0Sstevel@tonic-gate ndi_devi_enter(self, &circular_count); 1678*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(self), pcihp_configure, 1679*0Sstevel@tonic-gate (void *)&ctrl); 1680*0Sstevel@tonic-gate ndi_devi_exit(self, circular_count); 1681*0Sstevel@tonic-gate 1682*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 1683*0Sstevel@tonic-gate /* 1684*0Sstevel@tonic-gate * Failed to detach one or more drivers 1685*0Sstevel@tonic-gate * Restore the state of drivers which 1686*0Sstevel@tonic-gate * are offlined during this operation. 1687*0Sstevel@tonic-gate */ 1688*0Sstevel@tonic-gate ctrl.flags = 0; 1689*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 1690*0Sstevel@tonic-gate ctrl.dip = NULL; 1691*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 1692*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 1693*0Sstevel@tonic-gate 1694*0Sstevel@tonic-gate ndi_devi_enter(self, &circular_count); 1695*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(self), 1696*0Sstevel@tonic-gate pcihp_configure, (void *)&ctrl); 1697*0Sstevel@tonic-gate ndi_devi_exit(self, circular_count); 1698*0Sstevel@tonic-gate 1699*0Sstevel@tonic-gate /* tell HPC driver that the occupant is Busy */ 1700*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1701*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIG_FAILURE, NULL); 1702*0Sstevel@tonic-gate 1703*0Sstevel@tonic-gate rv = EBUSY; 1704*0Sstevel@tonic-gate } else { 1705*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1706*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIG_START, NULL); 1707*0Sstevel@tonic-gate 1708*0Sstevel@tonic-gate if (pcicfg_unconfigure(self, 1709*0Sstevel@tonic-gate pci_dev) == PCICFG_SUCCESS) { 1710*0Sstevel@tonic-gate /* 1711*0Sstevel@tonic-gate * Now that resources are freed, 1712*0Sstevel@tonic-gate * clear EXT and Turn LED ON. 1713*0Sstevel@tonic-gate */ 1714*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 1715*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1716*0Sstevel@tonic-gate HPC_EVENT_SLOT_UNCONFIGURE); 1717*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 1718*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 1719*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 1720*0Sstevel@tonic-gate slotinfop->hs_csr_location = 0; 1721*0Sstevel@tonic-gate slotinfop->slot_flags &= 1722*0Sstevel@tonic-gate ~(PCIHP_SLOT_DEV_NON_HOTPLUG| 1723*0Sstevel@tonic-gate PCIHP_SLOT_ENUM_EXT_PENDING); 1724*0Sstevel@tonic-gate } 1725*0Sstevel@tonic-gate slotinfop->ostate = 1726*0Sstevel@tonic-gate AP_OSTATE_UNCONFIGURED; 1727*0Sstevel@tonic-gate slotinfop->condition = AP_COND_UNKNOWN; 1728*0Sstevel@tonic-gate /* 1729*0Sstevel@tonic-gate * send the notification of state change 1730*0Sstevel@tonic-gate * to the HPC driver. 1731*0Sstevel@tonic-gate */ 1732*0Sstevel@tonic-gate (void) hpc_nexus_control( 1733*0Sstevel@tonic-gate slotinfop->slot_hdl, 1734*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIGURED, 1735*0Sstevel@tonic-gate NULL); 1736*0Sstevel@tonic-gate } else { 1737*0Sstevel@tonic-gate /* tell HPC driver occupant unconfigure Error */ 1738*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 1739*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIG_FAILURE, NULL); 1740*0Sstevel@tonic-gate 1741*0Sstevel@tonic-gate rv = EIO; 1742*0Sstevel@tonic-gate } 1743*0Sstevel@tonic-gate } 1744*0Sstevel@tonic-gate } 1745*0Sstevel@tonic-gate 1746*0Sstevel@tonic-gate if (drv_getparm(TIME, (void *)&time) != DDI_SUCCESS) 1747*0Sstevel@tonic-gate slotinfop->last_change = (time_t)-1; 1748*0Sstevel@tonic-gate else 1749*0Sstevel@tonic-gate slotinfop->last_change = (time32_t)time; 1750*0Sstevel@tonic-gate 1751*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 1752*0Sstevel@tonic-gate 1753*0Sstevel@tonic-gate /* unmask enum events again */ 1754*0Sstevel@tonic-gate if ((slotinfop->slot_flags & PCIHP_SLOT_AUTO_CFG_EN) == 0) { 1755*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_ENABLE_ENUM); 1756*0Sstevel@tonic-gate } 1757*0Sstevel@tonic-gate 1758*0Sstevel@tonic-gate return (rv); 1759*0Sstevel@tonic-gate } 1760*0Sstevel@tonic-gate 1761*0Sstevel@tonic-gate /* 1762*0Sstevel@tonic-gate * Accessor function to return pointer to the pci hotplug 1763*0Sstevel@tonic-gate * cb_ops structure. 1764*0Sstevel@tonic-gate */ 1765*0Sstevel@tonic-gate struct cb_ops * 1766*0Sstevel@tonic-gate pcihp_get_cb_ops() 1767*0Sstevel@tonic-gate { 1768*0Sstevel@tonic-gate return (&pcihp_cb_ops); 1769*0Sstevel@tonic-gate } 1770*0Sstevel@tonic-gate 1771*0Sstevel@tonic-gate /* 1772*0Sstevel@tonic-gate * Setup function to initialize hot plug feature. Returns DDI_SUCCESS 1773*0Sstevel@tonic-gate * for successful initialization, otherwise it returns DDI_FAILURE. 1774*0Sstevel@tonic-gate * 1775*0Sstevel@tonic-gate * It is assumed that this this function is called from the attach() 1776*0Sstevel@tonic-gate * entry point of the PCI nexus driver. 1777*0Sstevel@tonic-gate */ 1778*0Sstevel@tonic-gate 1779*0Sstevel@tonic-gate int 1780*0Sstevel@tonic-gate pcihp_init(dev_info_t *dip) 1781*0Sstevel@tonic-gate { 1782*0Sstevel@tonic-gate pcihp_t *pcihp_p; 1783*0Sstevel@tonic-gate int i; 1784*0Sstevel@tonic-gate caddr_t enum_data; 1785*0Sstevel@tonic-gate int enum_size; 1786*0Sstevel@tonic-gate int rv; 1787*0Sstevel@tonic-gate 1788*0Sstevel@tonic-gate mutex_enter(&pcihp_open_mutex); 1789*0Sstevel@tonic-gate 1790*0Sstevel@tonic-gate /* 1791*0Sstevel@tonic-gate * Make sure that it is not already initialized. 1792*0Sstevel@tonic-gate */ 1793*0Sstevel@tonic-gate if (pcihp_get_soft_state(dip, PCIHP_DR_NOOP, &rv) != NULL) { 1794*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: pcihp instance already initialized!", 1795*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 1796*0Sstevel@tonic-gate goto cleanup; 1797*0Sstevel@tonic-gate } 1798*0Sstevel@tonic-gate 1799*0Sstevel@tonic-gate /* 1800*0Sstevel@tonic-gate * Initialize soft state structure for the bus instance. 1801*0Sstevel@tonic-gate */ 1802*0Sstevel@tonic-gate if ((pcihp_p = pcihp_create_soft_state(dip)) == NULL) { 1803*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: can't allocate pcihp structure", 1804*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 1805*0Sstevel@tonic-gate goto cleanup; 1806*0Sstevel@tonic-gate } 1807*0Sstevel@tonic-gate 1808*0Sstevel@tonic-gate pcihp_p->soft_state = PCIHP_SOFT_STATE_CLOSED; 1809*0Sstevel@tonic-gate /* XXX if bus is running at 66Mhz then set PCI_BUS_66MHZ bit */ 1810*0Sstevel@tonic-gate pcihp_p->bus_flags = 0; /* XXX FIX IT */ 1811*0Sstevel@tonic-gate 1812*0Sstevel@tonic-gate /* 1813*0Sstevel@tonic-gate * If a platform wishes to implement Radial ENUM# routing 1814*0Sstevel@tonic-gate * a property "enum-impl" must be presented to us with a 1815*0Sstevel@tonic-gate * string value "radial". 1816*0Sstevel@tonic-gate * This helps us not go for polling operation (default) 1817*0Sstevel@tonic-gate * during a ENUM# event. 1818*0Sstevel@tonic-gate */ 1819*0Sstevel@tonic-gate if (ddi_getlongprop(DDI_DEV_T_ANY, dip, 0, "enum-impl", 1820*0Sstevel@tonic-gate (caddr_t)&enum_data, &enum_size) == DDI_PROP_SUCCESS) { 1821*0Sstevel@tonic-gate if (strcmp(enum_data, "radial") == 0) { 1822*0Sstevel@tonic-gate pcihp_p->bus_flags |= PCIHP_BUS_ENUM_RADIAL; 1823*0Sstevel@tonic-gate } 1824*0Sstevel@tonic-gate kmem_free(enum_data, enum_size); 1825*0Sstevel@tonic-gate } 1826*0Sstevel@tonic-gate 1827*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) { 1828*0Sstevel@tonic-gate /* initialize slot mutex */ 1829*0Sstevel@tonic-gate mutex_init(&pcihp_p->slotinfo[i].slot_mutex, NULL, 1830*0Sstevel@tonic-gate MUTEX_DRIVER, NULL); 1831*0Sstevel@tonic-gate } 1832*0Sstevel@tonic-gate 1833*0Sstevel@tonic-gate /* 1834*0Sstevel@tonic-gate * register the bus instance with the HPS framework. 1835*0Sstevel@tonic-gate */ 1836*0Sstevel@tonic-gate if (hpc_nexus_register_bus(dip, pcihp_new_slot_state, 0) != 0) { 1837*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to register the bus with HPS", 1838*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 1839*0Sstevel@tonic-gate goto cleanup1; 1840*0Sstevel@tonic-gate } 1841*0Sstevel@tonic-gate 1842*0Sstevel@tonic-gate /* 1843*0Sstevel@tonic-gate * Create the "devctl" minor for hot plug support. The minor 1844*0Sstevel@tonic-gate * number for "devctl" node is in the same format as the AP 1845*0Sstevel@tonic-gate * minor nodes. 1846*0Sstevel@tonic-gate */ 1847*0Sstevel@tonic-gate if (ddi_create_minor_node(dip, "devctl", S_IFCHR, 1848*0Sstevel@tonic-gate PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR), 1849*0Sstevel@tonic-gate DDI_NT_NEXUS, 0) != DDI_SUCCESS) 1850*0Sstevel@tonic-gate goto cleanup2; 1851*0Sstevel@tonic-gate 1852*0Sstevel@tonic-gate /* 1853*0Sstevel@tonic-gate * Setup resource maps for this bus node. (Note: This can 1854*0Sstevel@tonic-gate * be done from the attach(9E) of the nexus itself.) 1855*0Sstevel@tonic-gate */ 1856*0Sstevel@tonic-gate (void) pci_resource_setup(dip); 1857*0Sstevel@tonic-gate 1858*0Sstevel@tonic-gate pcihp_p->bus_state = PCIHP_BUS_CONFIGURED; 1859*0Sstevel@tonic-gate 1860*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 1861*0Sstevel@tonic-gate 1862*0Sstevel@tonic-gate return (DDI_SUCCESS); 1863*0Sstevel@tonic-gate 1864*0Sstevel@tonic-gate cleanup2: 1865*0Sstevel@tonic-gate (void) hpc_nexus_unregister_bus(dip); 1866*0Sstevel@tonic-gate cleanup1: 1867*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) 1868*0Sstevel@tonic-gate mutex_destroy(&pcihp_p->slotinfo[i].slot_mutex); 1869*0Sstevel@tonic-gate pcihp_destroy_soft_state(dip); 1870*0Sstevel@tonic-gate cleanup: 1871*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 1872*0Sstevel@tonic-gate return (DDI_FAILURE); 1873*0Sstevel@tonic-gate } 1874*0Sstevel@tonic-gate 1875*0Sstevel@tonic-gate /* 1876*0Sstevel@tonic-gate * pcihp_uninit() 1877*0Sstevel@tonic-gate * 1878*0Sstevel@tonic-gate * The bus instance is going away, cleanup any data associated with 1879*0Sstevel@tonic-gate * the management of hot plug slots. It is assumed that this function 1880*0Sstevel@tonic-gate * is called from detach() routine of the PCI nexus driver. Also, 1881*0Sstevel@tonic-gate * it is assumed that no devices on the bus are in the configured state. 1882*0Sstevel@tonic-gate */ 1883*0Sstevel@tonic-gate int 1884*0Sstevel@tonic-gate pcihp_uninit(dev_info_t *dip) 1885*0Sstevel@tonic-gate { 1886*0Sstevel@tonic-gate pcihp_t *pcihp_p; 1887*0Sstevel@tonic-gate int i, j; 1888*0Sstevel@tonic-gate int rv; 1889*0Sstevel@tonic-gate 1890*0Sstevel@tonic-gate mutex_enter(&pcihp_open_mutex); 1891*0Sstevel@tonic-gate /* get a pointer to the soft state structure */ 1892*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(dip, PCIHP_DR_BUS_UNCONFIGURE, &rv); 1893*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 1894*0Sstevel@tonic-gate 1895*0Sstevel@tonic-gate /* slot mutexes should prevent any configure/unconfigure access */ 1896*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) { 1897*0Sstevel@tonic-gate if (!mutex_tryenter(&pcihp_p->slotinfo[i].slot_mutex)) { 1898*0Sstevel@tonic-gate for (j = 0; j < i; j++) { 1899*0Sstevel@tonic-gate mutex_exit(&pcihp_p->slotinfo[j].slot_mutex); 1900*0Sstevel@tonic-gate } 1901*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 1902*0Sstevel@tonic-gate return (DDI_FAILURE); 1903*0Sstevel@tonic-gate } 1904*0Sstevel@tonic-gate } 1905*0Sstevel@tonic-gate 1906*0Sstevel@tonic-gate if ((pcihp_p->soft_state != PCIHP_SOFT_STATE_CLOSED) || 1907*0Sstevel@tonic-gate (rv == PCIHP_FAILURE)) { 1908*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: pcihp instance is busy", 1909*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 1910*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) { 1911*0Sstevel@tonic-gate mutex_exit(&pcihp_p->slotinfo[i].slot_mutex); 1912*0Sstevel@tonic-gate } 1913*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 1914*0Sstevel@tonic-gate return (DDI_FAILURE); 1915*0Sstevel@tonic-gate } 1916*0Sstevel@tonic-gate 1917*0Sstevel@tonic-gate /* 1918*0Sstevel@tonic-gate * Unregister the bus with the HPS. 1919*0Sstevel@tonic-gate * 1920*0Sstevel@tonic-gate * (Note: It is assumed that the HPS framework uninstalls 1921*0Sstevel@tonic-gate * event handlers for all the hot plug slots on this bus.) 1922*0Sstevel@tonic-gate */ 1923*0Sstevel@tonic-gate (void) hpc_nexus_unregister_bus(dip); 1924*0Sstevel@tonic-gate 1925*0Sstevel@tonic-gate /* Free up any kmem_alloc'd memory for slot info table. */ 1926*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) { 1927*0Sstevel@tonic-gate /* free up slot name strings */ 1928*0Sstevel@tonic-gate if (pcihp_p->slotinfo[i].name != NULL) 1929*0Sstevel@tonic-gate kmem_free(pcihp_p->slotinfo[i].name, 1930*0Sstevel@tonic-gate strlen(pcihp_p->slotinfo[i].name) + 1); 1931*0Sstevel@tonic-gate } 1932*0Sstevel@tonic-gate 1933*0Sstevel@tonic-gate /* destroy slot mutexes */ 1934*0Sstevel@tonic-gate for (i = 0; i < PCI_MAX_DEVS; i++) 1935*0Sstevel@tonic-gate mutex_destroy(&pcihp_p->slotinfo[i].slot_mutex); 1936*0Sstevel@tonic-gate 1937*0Sstevel@tonic-gate ddi_remove_minor_node(dip, NULL); 1938*0Sstevel@tonic-gate 1939*0Sstevel@tonic-gate /* free up the soft state structure */ 1940*0Sstevel@tonic-gate pcihp_destroy_soft_state(dip); 1941*0Sstevel@tonic-gate 1942*0Sstevel@tonic-gate /* 1943*0Sstevel@tonic-gate * Destroy resource maps for this bus node. (Note: This can 1944*0Sstevel@tonic-gate * be done from the detach(9E) of the nexus itself.) 1945*0Sstevel@tonic-gate */ 1946*0Sstevel@tonic-gate (void) pci_resource_destroy(dip); 1947*0Sstevel@tonic-gate 1948*0Sstevel@tonic-gate mutex_exit(&pcihp_open_mutex); 1949*0Sstevel@tonic-gate 1950*0Sstevel@tonic-gate return (DDI_SUCCESS); 1951*0Sstevel@tonic-gate } 1952*0Sstevel@tonic-gate 1953*0Sstevel@tonic-gate /* 1954*0Sstevel@tonic-gate * pcihp_new_slot_state() 1955*0Sstevel@tonic-gate * 1956*0Sstevel@tonic-gate * This function is called by the HPS when it finds a hot plug 1957*0Sstevel@tonic-gate * slot is added or being removed from the hot plug framework. 1958*0Sstevel@tonic-gate * It returns 0 for success and HPC_ERR_FAILED for errors. 1959*0Sstevel@tonic-gate */ 1960*0Sstevel@tonic-gate static int 1961*0Sstevel@tonic-gate pcihp_new_slot_state(dev_info_t *dip, hpc_slot_t hdl, 1962*0Sstevel@tonic-gate hpc_slot_info_t *slot_info, int slot_state) 1963*0Sstevel@tonic-gate { 1964*0Sstevel@tonic-gate pcihp_t *pcihp_p; 1965*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 1966*0Sstevel@tonic-gate int pci_dev; 1967*0Sstevel@tonic-gate minor_t ap_minor; 1968*0Sstevel@tonic-gate major_t ap_major; 1969*0Sstevel@tonic-gate int rv = 0; 1970*0Sstevel@tonic-gate time_t time; 1971*0Sstevel@tonic-gate int auto_enable = 1; 1972*0Sstevel@tonic-gate int rval; 1973*0Sstevel@tonic-gate 1974*0Sstevel@tonic-gate /* get a pointer to the soft state structure */ 1975*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(dip, PCIHP_DR_SLOT_ENTER, &rval); 1976*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 1977*0Sstevel@tonic-gate 1978*0Sstevel@tonic-gate if (rval == PCIHP_FAILURE) { 1979*0Sstevel@tonic-gate PCIHP_DEBUG((CE_WARN, "pcihp instance is unconfigured" 1980*0Sstevel@tonic-gate " while slot activity is requested\n")); 1981*0Sstevel@tonic-gate return (HPC_ERR_FAILED); 1982*0Sstevel@tonic-gate } 1983*0Sstevel@tonic-gate 1984*0Sstevel@tonic-gate pci_dev = slot_info->pci_dev_num; 1985*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 1986*0Sstevel@tonic-gate 1987*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 1988*0Sstevel@tonic-gate 1989*0Sstevel@tonic-gate switch (slot_state) { 1990*0Sstevel@tonic-gate 1991*0Sstevel@tonic-gate case HPC_SLOT_ONLINE: 1992*0Sstevel@tonic-gate 1993*0Sstevel@tonic-gate /* 1994*0Sstevel@tonic-gate * Make sure the slot is not already ONLINE (paranoia?). 1995*0Sstevel@tonic-gate * (Note: Should this be simply an ASSERTION?) 1996*0Sstevel@tonic-gate */ 1997*0Sstevel@tonic-gate if (slotinfop->slot_hdl != NULL) { 1998*0Sstevel@tonic-gate PCIHP_DEBUG((CE_WARN, 1999*0Sstevel@tonic-gate "pcihp (%s%d): pci slot (dev %x) already ONLINE!!", 2000*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), pci_dev)); 2001*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2002*0Sstevel@tonic-gate break; 2003*0Sstevel@tonic-gate } 2004*0Sstevel@tonic-gate 2005*0Sstevel@tonic-gate /* 2006*0Sstevel@tonic-gate * Add the hot plug slot to the bus. 2007*0Sstevel@tonic-gate */ 2008*0Sstevel@tonic-gate 2009*0Sstevel@tonic-gate /* create the AP minor node */ 2010*0Sstevel@tonic-gate ap_minor = PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), pci_dev); 2011*0Sstevel@tonic-gate if (ddi_create_minor_node(dip, slot_info->pci_slot_name, 2012*0Sstevel@tonic-gate S_IFCHR, ap_minor, 2013*0Sstevel@tonic-gate DDI_NT_PCI_ATTACHMENT_POINT, 0) == DDI_FAILURE) { 2014*0Sstevel@tonic-gate cmn_err(CE_WARN, 2015*0Sstevel@tonic-gate "pcihp (%s%d): ddi_create_minor_node failed" 2016*0Sstevel@tonic-gate " for pci dev %x", ddi_driver_name(dip), 2017*0Sstevel@tonic-gate ddi_get_instance(dip), pci_dev); 2018*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2019*0Sstevel@tonic-gate break; 2020*0Sstevel@tonic-gate } 2021*0Sstevel@tonic-gate 2022*0Sstevel@tonic-gate /* save the slot handle */ 2023*0Sstevel@tonic-gate slotinfop->slot_hdl = hdl; 2024*0Sstevel@tonic-gate 2025*0Sstevel@tonic-gate /* setup event handler for all hardware events on the slot */ 2026*0Sstevel@tonic-gate ap_major = ddi_name_to_major(ddi_get_name(dip)); 2027*0Sstevel@tonic-gate if (hpc_install_event_handler(hdl, -1, pcihp_event_handler, 2028*0Sstevel@tonic-gate (caddr_t)makedevice(ap_major, ap_minor)) != 0) { 2029*0Sstevel@tonic-gate cmn_err(CE_WARN, 2030*0Sstevel@tonic-gate "pcihp (%s%d): install event handler failed" 2031*0Sstevel@tonic-gate " for pci dev %x", ddi_driver_name(dip), 2032*0Sstevel@tonic-gate ddi_get_instance(dip), pci_dev); 2033*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2034*0Sstevel@tonic-gate break; 2035*0Sstevel@tonic-gate } 2036*0Sstevel@tonic-gate slotinfop->event_mask = (uint32_t)0xFFFFFFFF; 2037*0Sstevel@tonic-gate 2038*0Sstevel@tonic-gate pcihp_create_occupant_props(dip, makedevice(ap_major, 2039*0Sstevel@tonic-gate ap_minor), pci_dev); 2040*0Sstevel@tonic-gate 2041*0Sstevel@tonic-gate /* set default auto configuration enabled flag for this slot */ 2042*0Sstevel@tonic-gate slotinfop->slot_flags = pcihp_autocfg_enabled; 2043*0Sstevel@tonic-gate 2044*0Sstevel@tonic-gate /* copy the slot information */ 2045*0Sstevel@tonic-gate slotinfop->name = 2046*0Sstevel@tonic-gate kmem_alloc(strlen(slot_info->pci_slot_name) + 1, KM_SLEEP); 2047*0Sstevel@tonic-gate (void) strcpy(slotinfop->name, slot_info->pci_slot_name); 2048*0Sstevel@tonic-gate slotinfop->slot_type = slot_info->slot_type; 2049*0Sstevel@tonic-gate slotinfop->hs_csr_location = 0; 2050*0Sstevel@tonic-gate slotinfop->slot_capabilities = slot_info->pci_slot_capabilities; 2051*0Sstevel@tonic-gate if (slot_info->slot_flags & HPC_SLOT_NO_AUTO_ENABLE) 2052*0Sstevel@tonic-gate auto_enable = 0; 2053*0Sstevel@tonic-gate 2054*0Sstevel@tonic-gate if (slot_info->slot_flags & HPC_SLOT_CREATE_DEVLINK) { 2055*0Sstevel@tonic-gate pci_devlink_flags |= (1 << pci_dev); 2056*0Sstevel@tonic-gate (void) ddi_prop_update_int(DDI_DEV_T_NONE, 2057*0Sstevel@tonic-gate dip, 2058*0Sstevel@tonic-gate "ap-names", 2059*0Sstevel@tonic-gate pci_devlink_flags); 2060*0Sstevel@tonic-gate } 2061*0Sstevel@tonic-gate 2062*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, 2063*0Sstevel@tonic-gate "pcihp (%s%d): pci slot (dev %x) ONLINE\n", 2064*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), pci_dev)); 2065*0Sstevel@tonic-gate 2066*0Sstevel@tonic-gate /* 2067*0Sstevel@tonic-gate * The slot may have an occupant that was configured 2068*0Sstevel@tonic-gate * at boot time. If we find a devinfo node in the tree 2069*0Sstevel@tonic-gate * for this slot (i.e pci device number) then we 2070*0Sstevel@tonic-gate * record the occupant state as CONFIGURED. 2071*0Sstevel@tonic-gate */ 2072*0Sstevel@tonic-gate if (pcihp_devi_find(dip, pci_dev, 0) != NULL) { 2073*0Sstevel@tonic-gate /* we have a configured occupant */ 2074*0Sstevel@tonic-gate slotinfop->ostate = AP_OSTATE_CONFIGURED; 2075*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; 2076*0Sstevel@tonic-gate slotinfop->condition = AP_COND_OK; 2077*0Sstevel@tonic-gate 2078*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2079*0Sstevel@tonic-gate /* this will set slot flags too. */ 2080*0Sstevel@tonic-gate (void) pcihp_get_board_type(slotinfop); 2081*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2082*0Sstevel@tonic-gate HPC_EVENT_SLOT_CONFIGURE); 2083*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2084*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2085*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 2086*0Sstevel@tonic-gate /* ENUM# enabled by default for cPCI devices */ 2087*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_AUTO_CFG_EN; 2088*0Sstevel@tonic-gate slotinfop->slot_flags &= 2089*0Sstevel@tonic-gate ~PCIHP_SLOT_ENUM_INS_PENDING; 2090*0Sstevel@tonic-gate } 2091*0Sstevel@tonic-gate 2092*0Sstevel@tonic-gate /* tell HPC driver that the occupant is configured */ 2093*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2094*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIGURED, NULL); 2095*0Sstevel@tonic-gate } else { 2096*0Sstevel@tonic-gate struct pcihp_config_ctrl ctrl; 2097*0Sstevel@tonic-gate int circular_count; 2098*0Sstevel@tonic-gate 2099*0Sstevel@tonic-gate slotinfop->ostate = AP_OSTATE_UNCONFIGURED; 2100*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_EMPTY; 2101*0Sstevel@tonic-gate slotinfop->condition = AP_COND_UNKNOWN; 2102*0Sstevel@tonic-gate 2103*0Sstevel@tonic-gate if (!auto_enable) { /* no further action */ 2104*0Sstevel@tonic-gate break; 2105*0Sstevel@tonic-gate } 2106*0Sstevel@tonic-gate 2107*0Sstevel@tonic-gate /* 2108*0Sstevel@tonic-gate * We enable power to the slot and try to 2109*0Sstevel@tonic-gate * configure if there is any card present. 2110*0Sstevel@tonic-gate * 2111*0Sstevel@tonic-gate * Note: This case is possible if the BIOS or 2112*0Sstevel@tonic-gate * firmware doesn't enable the slots during 2113*0Sstevel@tonic-gate * soft reboot. 2114*0Sstevel@tonic-gate */ 2115*0Sstevel@tonic-gate if (hpc_nexus_connect(slotinfop->slot_hdl, 2116*0Sstevel@tonic-gate NULL, 0) != HPC_SUCCESS) 2117*0Sstevel@tonic-gate break; 2118*0Sstevel@tonic-gate 2119*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2120*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2121*0Sstevel@tonic-gate HPC_EVENT_SLOT_CONFIGURE); 2122*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2123*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2124*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 2125*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_AUTO_CFG_EN; 2126*0Sstevel@tonic-gate slotinfop->slot_flags &= 2127*0Sstevel@tonic-gate ~PCIHP_SLOT_ENUM_INS_PENDING; 2128*0Sstevel@tonic-gate } 2129*0Sstevel@tonic-gate 2130*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2131*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_START, NULL); 2132*0Sstevel@tonic-gate 2133*0Sstevel@tonic-gate /* 2134*0Sstevel@tonic-gate * Call the configurator to configure the card. 2135*0Sstevel@tonic-gate */ 2136*0Sstevel@tonic-gate if (pcicfg_configure(dip, pci_dev) != PCICFG_SUCCESS) { 2137*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2138*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2139*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 2140*0Sstevel@tonic-gate pci_dev, 2141*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 2142*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2143*0Sstevel@tonic-gate HPC_EVENT_SLOT_UNCONFIGURE); 2144*0Sstevel@tonic-gate } 2145*0Sstevel@tonic-gate 2146*0Sstevel@tonic-gate /* tell HPC driver occupant configure Error */ 2147*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2148*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_FAILURE, NULL); 2149*0Sstevel@tonic-gate 2150*0Sstevel@tonic-gate /* 2151*0Sstevel@tonic-gate * call HPC driver to turn off the power for 2152*0Sstevel@tonic-gate * the slot. 2153*0Sstevel@tonic-gate */ 2154*0Sstevel@tonic-gate (void) hpc_nexus_disconnect(slotinfop->slot_hdl, 2155*0Sstevel@tonic-gate NULL, 0); 2156*0Sstevel@tonic-gate } else { 2157*0Sstevel@tonic-gate /* record the occupant state as CONFIGURED */ 2158*0Sstevel@tonic-gate slotinfop->ostate = AP_OSTATE_CONFIGURED; 2159*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; 2160*0Sstevel@tonic-gate slotinfop->condition = AP_COND_OK; 2161*0Sstevel@tonic-gate 2162*0Sstevel@tonic-gate /* now, online all the devices in the AP */ 2163*0Sstevel@tonic-gate ctrl.flags = PCIHP_CFG_CONTINUE; 2164*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 2165*0Sstevel@tonic-gate ctrl.dip = NULL; 2166*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 2167*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 2168*0Sstevel@tonic-gate /* 2169*0Sstevel@tonic-gate * the following sets slot_flags and 2170*0Sstevel@tonic-gate * hs_csr_location too. 2171*0Sstevel@tonic-gate */ 2172*0Sstevel@tonic-gate (void) pcihp_get_board_type(slotinfop); 2173*0Sstevel@tonic-gate 2174*0Sstevel@tonic-gate ndi_devi_enter(dip, &circular_count); 2175*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(dip), pcihp_configure, 2176*0Sstevel@tonic-gate (void *)&ctrl); 2177*0Sstevel@tonic-gate ndi_devi_exit(dip, circular_count); 2178*0Sstevel@tonic-gate 2179*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 2180*0Sstevel@tonic-gate /* 2181*0Sstevel@tonic-gate * one or more of the devices are not 2182*0Sstevel@tonic-gate * ONLINE'd. How is this to be 2183*0Sstevel@tonic-gate * reported? 2184*0Sstevel@tonic-gate */ 2185*0Sstevel@tonic-gate cmn_err(CE_WARN, 2186*0Sstevel@tonic-gate "pcihp (%s%d): failed to attach one or" 2187*0Sstevel@tonic-gate " more drivers for the card in" 2188*0Sstevel@tonic-gate " the slot %s", 2189*0Sstevel@tonic-gate ddi_driver_name(dip), 2190*0Sstevel@tonic-gate ddi_get_instance(dip), 2191*0Sstevel@tonic-gate slotinfop->name); 2192*0Sstevel@tonic-gate } 2193*0Sstevel@tonic-gate 2194*0Sstevel@tonic-gate /* tell HPC driver about the configured occupant */ 2195*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2196*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIGURED, NULL); 2197*0Sstevel@tonic-gate } 2198*0Sstevel@tonic-gate } 2199*0Sstevel@tonic-gate 2200*0Sstevel@tonic-gate break; 2201*0Sstevel@tonic-gate 2202*0Sstevel@tonic-gate case HPC_SLOT_OFFLINE: 2203*0Sstevel@tonic-gate /* 2204*0Sstevel@tonic-gate * A hot plug slot is being removed from the bus. 2205*0Sstevel@tonic-gate * Make sure there is no occupant configured on the 2206*0Sstevel@tonic-gate * slot before removing the AP minor node. 2207*0Sstevel@tonic-gate */ 2208*0Sstevel@tonic-gate if (slotinfop->ostate != AP_OSTATE_UNCONFIGURED) { 2209*0Sstevel@tonic-gate cmn_err(CE_WARN, "pcihp (%s%d): Card is still in configured" 2210*0Sstevel@tonic-gate " state for pci dev %x", 2211*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), pci_dev); 2212*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2213*0Sstevel@tonic-gate break; 2214*0Sstevel@tonic-gate } 2215*0Sstevel@tonic-gate 2216*0Sstevel@tonic-gate /* 2217*0Sstevel@tonic-gate * If the AP device is in open state then return 2218*0Sstevel@tonic-gate * error. 2219*0Sstevel@tonic-gate */ 2220*0Sstevel@tonic-gate if (pcihp_p->soft_state != PCIHP_SOFT_STATE_CLOSED) { 2221*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2222*0Sstevel@tonic-gate break; 2223*0Sstevel@tonic-gate } 2224*0Sstevel@tonic-gate if (slot_info->slot_flags & HPC_SLOT_CREATE_DEVLINK) { 2225*0Sstevel@tonic-gate pci_devlink_flags &= ~(1 << pci_dev); 2226*0Sstevel@tonic-gate (void) ddi_prop_update_int(DDI_DEV_T_NONE, 2227*0Sstevel@tonic-gate dip, 2228*0Sstevel@tonic-gate "ap-names", 2229*0Sstevel@tonic-gate pci_devlink_flags); 2230*0Sstevel@tonic-gate } 2231*0Sstevel@tonic-gate 2232*0Sstevel@tonic-gate /* remove the minor node */ 2233*0Sstevel@tonic-gate ddi_remove_minor_node(dip, slotinfop->name); 2234*0Sstevel@tonic-gate 2235*0Sstevel@tonic-gate /* free up the memory for the name string */ 2236*0Sstevel@tonic-gate kmem_free(slotinfop->name, strlen(slotinfop->name) + 1); 2237*0Sstevel@tonic-gate 2238*0Sstevel@tonic-gate /* update the slot info data */ 2239*0Sstevel@tonic-gate slotinfop->name = NULL; 2240*0Sstevel@tonic-gate slotinfop->slot_hdl = NULL; 2241*0Sstevel@tonic-gate 2242*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, 2243*0Sstevel@tonic-gate "pcihp (%s%d): pci slot (dev %x) OFFLINE\n", 2244*0Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), 2245*0Sstevel@tonic-gate slot_info->pci_dev_num)); 2246*0Sstevel@tonic-gate 2247*0Sstevel@tonic-gate break; 2248*0Sstevel@tonic-gate default: 2249*0Sstevel@tonic-gate cmn_err(CE_WARN, 2250*0Sstevel@tonic-gate "pcihp_new_slot_state: unknown slot_state %d", slot_state); 2251*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2252*0Sstevel@tonic-gate } 2253*0Sstevel@tonic-gate 2254*0Sstevel@tonic-gate if (rv == 0) { 2255*0Sstevel@tonic-gate if (drv_getparm(TIME, (void *)&time) != DDI_SUCCESS) 2256*0Sstevel@tonic-gate slotinfop->last_change = (time_t)-1; 2257*0Sstevel@tonic-gate else 2258*0Sstevel@tonic-gate slotinfop->last_change = (time32_t)time; 2259*0Sstevel@tonic-gate } 2260*0Sstevel@tonic-gate 2261*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2262*0Sstevel@tonic-gate 2263*0Sstevel@tonic-gate (void) pcihp_get_soft_state(dip, PCIHP_DR_SLOT_EXIT, &rval); 2264*0Sstevel@tonic-gate 2265*0Sstevel@tonic-gate return (rv); 2266*0Sstevel@tonic-gate } 2267*0Sstevel@tonic-gate 2268*0Sstevel@tonic-gate /* 2269*0Sstevel@tonic-gate * Event handler. It is assumed that this function is called from 2270*0Sstevel@tonic-gate * a kernel context only. 2271*0Sstevel@tonic-gate * 2272*0Sstevel@tonic-gate * Parameters: 2273*0Sstevel@tonic-gate * slot_arg AP minor number. 2274*0Sstevel@tonic-gate * event_mask Event that occurred. 2275*0Sstevel@tonic-gate */ 2276*0Sstevel@tonic-gate 2277*0Sstevel@tonic-gate static int 2278*0Sstevel@tonic-gate pcihp_event_handler(caddr_t slot_arg, uint_t event_mask) 2279*0Sstevel@tonic-gate { 2280*0Sstevel@tonic-gate dev_t ap_dev = (dev_t)slot_arg; 2281*0Sstevel@tonic-gate dev_info_t *self; 2282*0Sstevel@tonic-gate pcihp_t *pcihp_p; 2283*0Sstevel@tonic-gate int pci_dev; 2284*0Sstevel@tonic-gate int rv = HPC_EVENT_CLAIMED; 2285*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 2286*0Sstevel@tonic-gate struct pcihp_config_ctrl ctrl; 2287*0Sstevel@tonic-gate int circular_count; 2288*0Sstevel@tonic-gate int rval; 2289*0Sstevel@tonic-gate 2290*0Sstevel@tonic-gate /* 2291*0Sstevel@tonic-gate * Get the soft state structure. 2292*0Sstevel@tonic-gate */ 2293*0Sstevel@tonic-gate if (pcihp_info(NULL, DDI_INFO_DEVT2DEVINFO, (void *)ap_dev, 2294*0Sstevel@tonic-gate (void **)&self) != DDI_SUCCESS) 2295*0Sstevel@tonic-gate return (ENXIO); 2296*0Sstevel@tonic-gate 2297*0Sstevel@tonic-gate pcihp_p = pcihp_get_soft_state(self, PCIHP_DR_SLOT_ENTER, &rval); 2298*0Sstevel@tonic-gate ASSERT(pcihp_p != NULL); 2299*0Sstevel@tonic-gate 2300*0Sstevel@tonic-gate if (rval == PCIHP_FAILURE) { 2301*0Sstevel@tonic-gate PCIHP_DEBUG((CE_WARN, "pcihp instance is unconfigured" 2302*0Sstevel@tonic-gate " while slot activity is requested\n")); 2303*0Sstevel@tonic-gate return (-1); 2304*0Sstevel@tonic-gate } 2305*0Sstevel@tonic-gate 2306*0Sstevel@tonic-gate /* get the PCI device number for the slot */ 2307*0Sstevel@tonic-gate pci_dev = PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(getminor(ap_dev)); 2308*0Sstevel@tonic-gate 2309*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 2310*0Sstevel@tonic-gate 2311*0Sstevel@tonic-gate /* 2312*0Sstevel@tonic-gate * All the events that may be handled in interrupt context should be 2313*0Sstevel@tonic-gate * free of any mutex usage. 2314*0Sstevel@tonic-gate */ 2315*0Sstevel@tonic-gate switch (event_mask) { 2316*0Sstevel@tonic-gate 2317*0Sstevel@tonic-gate case HPC_EVENT_CLEAR_ENUM: 2318*0Sstevel@tonic-gate /* 2319*0Sstevel@tonic-gate * Check and clear ENUM# interrupt status. This may be 2320*0Sstevel@tonic-gate * called by the Hotswap controller driver when it is 2321*0Sstevel@tonic-gate * operating in a full hotswap system where the 2322*0Sstevel@tonic-gate * platform may not have control on globally disabling ENUM#. 2323*0Sstevel@tonic-gate * In such cases, the intent is to clear interrupt and 2324*0Sstevel@tonic-gate * process the interrupt in non-interrupt context. 2325*0Sstevel@tonic-gate * This is the first part of the ENUM# event processing. 2326*0Sstevel@tonic-gate */ 2327*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): ENUM# is generated" 2328*0Sstevel@tonic-gate " on the bus (for slot %s ?)", 2329*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2330*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), slotinfop->name)); 2331*0Sstevel@tonic-gate 2332*0Sstevel@tonic-gate /* this is the only event coming through in interrupt context */ 2333*0Sstevel@tonic-gate rv = pcihp_handle_enum(pcihp_p, pci_dev, PCIHP_CLEAR_ENUM, 2334*0Sstevel@tonic-gate KM_NOSLEEP); 2335*0Sstevel@tonic-gate 2336*0Sstevel@tonic-gate (void) pcihp_get_soft_state(self, PCIHP_DR_SLOT_EXIT, &rval); 2337*0Sstevel@tonic-gate 2338*0Sstevel@tonic-gate return (rv); 2339*0Sstevel@tonic-gate default: 2340*0Sstevel@tonic-gate break; 2341*0Sstevel@tonic-gate } 2342*0Sstevel@tonic-gate 2343*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 2344*0Sstevel@tonic-gate 2345*0Sstevel@tonic-gate switch (event_mask) { 2346*0Sstevel@tonic-gate 2347*0Sstevel@tonic-gate case HPC_EVENT_SLOT_INSERTION: 2348*0Sstevel@tonic-gate /* 2349*0Sstevel@tonic-gate * A card is inserted in the slot. Just report this 2350*0Sstevel@tonic-gate * event and return. 2351*0Sstevel@tonic-gate */ 2352*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): card is inserted" 2353*0Sstevel@tonic-gate " in the slot %s (pci dev %x)", 2354*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2355*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2356*0Sstevel@tonic-gate slotinfop->name, pci_dev); 2357*0Sstevel@tonic-gate 2358*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2359*0Sstevel@tonic-gate 2360*0Sstevel@tonic-gate break; 2361*0Sstevel@tonic-gate 2362*0Sstevel@tonic-gate case HPC_EVENT_SLOT_CONFIGURE: 2363*0Sstevel@tonic-gate /* 2364*0Sstevel@tonic-gate * Configure the occupant that is just inserted in the slot. 2365*0Sstevel@tonic-gate * The receptacle may or may not be in the connected state. If 2366*0Sstevel@tonic-gate * the receptacle is not connected and the auto configuration 2367*0Sstevel@tonic-gate * is enabled on this slot then connect the slot. If auto 2368*0Sstevel@tonic-gate * configuration is enabled then configure the card. 2369*0Sstevel@tonic-gate */ 2370*0Sstevel@tonic-gate if ((slotinfop->slot_flags & PCIHP_SLOT_AUTO_CFG_EN) == 0) { 2371*0Sstevel@tonic-gate /* 2372*0Sstevel@tonic-gate * auto configuration is disabled. Tell someone 2373*0Sstevel@tonic-gate * like RCM about this hotplug event? 2374*0Sstevel@tonic-gate */ 2375*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): SLOT_CONFIGURE event" 2376*0Sstevel@tonic-gate " occurred for pci dev %x (slot %s)," 2377*0Sstevel@tonic-gate " Slot disabled for auto-configuration.", 2378*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2379*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev, 2380*0Sstevel@tonic-gate slotinfop->name); 2381*0Sstevel@tonic-gate 2382*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2383*0Sstevel@tonic-gate 2384*0Sstevel@tonic-gate break; 2385*0Sstevel@tonic-gate } 2386*0Sstevel@tonic-gate 2387*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_CONFIGURED) { 2388*0Sstevel@tonic-gate cmn_err(CE_WARN, "pcihp (%s%d): SLOT_CONFIGURE event" 2389*0Sstevel@tonic-gate " re-occurred for pci dev %x (slot %s),", 2390*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2391*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev, 2392*0Sstevel@tonic-gate slotinfop->name); 2393*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2394*0Sstevel@tonic-gate 2395*0Sstevel@tonic-gate (void) pcihp_get_soft_state(self, PCIHP_DR_SLOT_EXIT, 2396*0Sstevel@tonic-gate &rval); 2397*0Sstevel@tonic-gate 2398*0Sstevel@tonic-gate return (EAGAIN); 2399*0Sstevel@tonic-gate } 2400*0Sstevel@tonic-gate 2401*0Sstevel@tonic-gate /* 2402*0Sstevel@tonic-gate * Auto configuration is enabled. First, make sure the 2403*0Sstevel@tonic-gate * receptacle is in the CONNECTED state. 2404*0Sstevel@tonic-gate */ 2405*0Sstevel@tonic-gate if ((rv = hpc_nexus_connect(slotinfop->slot_hdl, 2406*0Sstevel@tonic-gate NULL, 0)) == HPC_SUCCESS) { 2407*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; /* record rstate */ 2408*0Sstevel@tonic-gate } 2409*0Sstevel@tonic-gate 2410*0Sstevel@tonic-gate /* Clear INS and Turn LED Off and start configuring. */ 2411*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2412*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2413*0Sstevel@tonic-gate HPC_EVENT_SLOT_CONFIGURE); 2414*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2415*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2416*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 2417*0Sstevel@tonic-gate } 2418*0Sstevel@tonic-gate 2419*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2420*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_START, NULL); 2421*0Sstevel@tonic-gate 2422*0Sstevel@tonic-gate /* 2423*0Sstevel@tonic-gate * Call the configurator to configure the card. 2424*0Sstevel@tonic-gate */ 2425*0Sstevel@tonic-gate if (pcicfg_configure(pcihp_p->dip, pci_dev) != PCICFG_SUCCESS) { 2426*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2427*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2428*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2429*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 2430*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2431*0Sstevel@tonic-gate HPC_EVENT_SLOT_UNCONFIGURE); 2432*0Sstevel@tonic-gate } 2433*0Sstevel@tonic-gate /* failed to configure the card */ 2434*0Sstevel@tonic-gate cmn_err(CE_WARN, "pcihp (%s%d): failed to configure" 2435*0Sstevel@tonic-gate " the card in the slot %s", 2436*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2437*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2438*0Sstevel@tonic-gate slotinfop->name); 2439*0Sstevel@tonic-gate /* failed to configure; disconnect the slot */ 2440*0Sstevel@tonic-gate if (hpc_nexus_disconnect(slotinfop->slot_hdl, 2441*0Sstevel@tonic-gate NULL, 0) == HPC_SUCCESS) { 2442*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_DISCONNECTED; 2443*0Sstevel@tonic-gate } 2444*0Sstevel@tonic-gate 2445*0Sstevel@tonic-gate /* tell HPC driver occupant configure Error */ 2446*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2447*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIG_FAILURE, NULL); 2448*0Sstevel@tonic-gate } else { 2449*0Sstevel@tonic-gate /* record the occupant state as CONFIGURED */ 2450*0Sstevel@tonic-gate slotinfop->ostate = AP_OSTATE_CONFIGURED; 2451*0Sstevel@tonic-gate slotinfop->condition = AP_COND_OK; 2452*0Sstevel@tonic-gate 2453*0Sstevel@tonic-gate /* now, online all the devices in the AP */ 2454*0Sstevel@tonic-gate ctrl.flags = PCIHP_CFG_CONTINUE; 2455*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 2456*0Sstevel@tonic-gate ctrl.dip = NULL; 2457*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 2458*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 2459*0Sstevel@tonic-gate (void) pcihp_get_board_type(slotinfop); 2460*0Sstevel@tonic-gate 2461*0Sstevel@tonic-gate ndi_devi_enter(pcihp_p->dip, &circular_count); 2462*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(pcihp_p->dip), 2463*0Sstevel@tonic-gate pcihp_configure, (void *)&ctrl); 2464*0Sstevel@tonic-gate ndi_devi_exit(pcihp_p->dip, circular_count); 2465*0Sstevel@tonic-gate 2466*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 2467*0Sstevel@tonic-gate /* 2468*0Sstevel@tonic-gate * one or more of the devices are not 2469*0Sstevel@tonic-gate * ONLINE'd. How is this to be 2470*0Sstevel@tonic-gate * reported? 2471*0Sstevel@tonic-gate */ 2472*0Sstevel@tonic-gate cmn_err(CE_WARN, 2473*0Sstevel@tonic-gate "pcihp (%s%d): failed to attach one or" 2474*0Sstevel@tonic-gate " more drivers for the card in" 2475*0Sstevel@tonic-gate " the slot %s", 2476*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2477*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2478*0Sstevel@tonic-gate slotinfop->name); 2479*0Sstevel@tonic-gate } 2480*0Sstevel@tonic-gate 2481*0Sstevel@tonic-gate /* tell HPC driver that the occupant is configured */ 2482*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2483*0Sstevel@tonic-gate HPC_CTRL_DEV_CONFIGURED, NULL); 2484*0Sstevel@tonic-gate 2485*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): card is CONFIGURED" 2486*0Sstevel@tonic-gate " in the slot %s (pci dev %x)", 2487*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2488*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2489*0Sstevel@tonic-gate slotinfop->name, pci_dev); 2490*0Sstevel@tonic-gate } 2491*0Sstevel@tonic-gate 2492*0Sstevel@tonic-gate break; 2493*0Sstevel@tonic-gate 2494*0Sstevel@tonic-gate case HPC_EVENT_SLOT_UNCONFIGURE: 2495*0Sstevel@tonic-gate /* 2496*0Sstevel@tonic-gate * Unconfigure the occupant in this slot. 2497*0Sstevel@tonic-gate */ 2498*0Sstevel@tonic-gate if ((slotinfop->slot_flags & PCIHP_SLOT_AUTO_CFG_EN) == 0) { 2499*0Sstevel@tonic-gate /* 2500*0Sstevel@tonic-gate * auto configuration is disabled. Tell someone 2501*0Sstevel@tonic-gate * like RCM about this hotplug event? 2502*0Sstevel@tonic-gate */ 2503*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): SLOT_UNCONFIGURE event" 2504*0Sstevel@tonic-gate " for pci dev %x (slot %s) ignored," 2505*0Sstevel@tonic-gate " Slot disabled for auto-configuration.", 2506*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2507*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev, 2508*0Sstevel@tonic-gate slotinfop->name); 2509*0Sstevel@tonic-gate 2510*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2511*0Sstevel@tonic-gate 2512*0Sstevel@tonic-gate break; 2513*0Sstevel@tonic-gate } 2514*0Sstevel@tonic-gate 2515*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_UNCONFIGURED) { 2516*0Sstevel@tonic-gate cmn_err(CE_WARN, "pcihp (%s%d): SLOT_UNCONFIGURE " 2517*0Sstevel@tonic-gate "event re-occurred for pci dev %x (slot %s),", 2518*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2519*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev, 2520*0Sstevel@tonic-gate slotinfop->name); 2521*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2522*0Sstevel@tonic-gate 2523*0Sstevel@tonic-gate (void) pcihp_get_soft_state(self, PCIHP_DR_SLOT_EXIT, 2524*0Sstevel@tonic-gate &rval); 2525*0Sstevel@tonic-gate 2526*0Sstevel@tonic-gate return (EAGAIN); 2527*0Sstevel@tonic-gate } 2528*0Sstevel@tonic-gate /* 2529*0Sstevel@tonic-gate * If the occupant is in the CONFIGURED state then 2530*0Sstevel@tonic-gate * call the configurator to unconfigure the slot. 2531*0Sstevel@tonic-gate */ 2532*0Sstevel@tonic-gate if (slotinfop->ostate == AP_OSTATE_CONFIGURED) { 2533*0Sstevel@tonic-gate /* 2534*0Sstevel@tonic-gate * Detach all the drivers for the devices in the 2535*0Sstevel@tonic-gate * slot. Call pcihp_configure() to offline the 2536*0Sstevel@tonic-gate * devices. 2537*0Sstevel@tonic-gate */ 2538*0Sstevel@tonic-gate ctrl.flags = 0; 2539*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 2540*0Sstevel@tonic-gate ctrl.dip = NULL; 2541*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 2542*0Sstevel@tonic-gate ctrl.op = PCIHP_OFFLINE; 2543*0Sstevel@tonic-gate 2544*0Sstevel@tonic-gate (void) devfs_clean(pcihp_p->dip, NULL, DV_CLEAN_FORCE); 2545*0Sstevel@tonic-gate ndi_devi_enter(pcihp_p->dip, &circular_count); 2546*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(pcihp_p->dip), 2547*0Sstevel@tonic-gate pcihp_configure, (void *)&ctrl); 2548*0Sstevel@tonic-gate ndi_devi_exit(pcihp_p->dip, circular_count); 2549*0Sstevel@tonic-gate 2550*0Sstevel@tonic-gate if (ctrl.rv != NDI_SUCCESS) { 2551*0Sstevel@tonic-gate /* 2552*0Sstevel@tonic-gate * Failed to detach one or more drivers. 2553*0Sstevel@tonic-gate * Restore the status for the drivers 2554*0Sstevel@tonic-gate * which are offlined during this step. 2555*0Sstevel@tonic-gate */ 2556*0Sstevel@tonic-gate ctrl.flags = PCIHP_CFG_CONTINUE; 2557*0Sstevel@tonic-gate ctrl.rv = NDI_SUCCESS; 2558*0Sstevel@tonic-gate ctrl.dip = NULL; 2559*0Sstevel@tonic-gate ctrl.pci_dev = pci_dev; 2560*0Sstevel@tonic-gate ctrl.op = PCIHP_ONLINE; 2561*0Sstevel@tonic-gate 2562*0Sstevel@tonic-gate ndi_devi_enter(pcihp_p->dip, &circular_count); 2563*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(pcihp_p->dip), 2564*0Sstevel@tonic-gate pcihp_configure, (void *)&ctrl); 2565*0Sstevel@tonic-gate ndi_devi_exit(pcihp_p->dip, circular_count); 2566*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2567*0Sstevel@tonic-gate } else { 2568*0Sstevel@tonic-gate (void) hpc_nexus_control(slotinfop->slot_hdl, 2569*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIG_START, NULL); 2570*0Sstevel@tonic-gate 2571*0Sstevel@tonic-gate if (pcicfg_unconfigure(pcihp_p->dip, 2572*0Sstevel@tonic-gate pci_dev) == PCICFG_SUCCESS) { 2573*0Sstevel@tonic-gate 2574*0Sstevel@tonic-gate /* Resources freed. Turn LED on. Clear EXT. */ 2575*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2576*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 2577*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, 2578*0Sstevel@tonic-gate pci_dev, 2579*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 2580*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2581*0Sstevel@tonic-gate HPC_EVENT_SLOT_UNCONFIGURE); 2582*0Sstevel@tonic-gate slotinfop->hs_csr_location = 0; 2583*0Sstevel@tonic-gate slotinfop->slot_flags &= 2584*0Sstevel@tonic-gate ~PCIHP_SLOT_DEV_NON_HOTPLUG; 2585*0Sstevel@tonic-gate } 2586*0Sstevel@tonic-gate slotinfop->ostate = 2587*0Sstevel@tonic-gate AP_OSTATE_UNCONFIGURED; 2588*0Sstevel@tonic-gate slotinfop->condition = AP_COND_UNKNOWN; 2589*0Sstevel@tonic-gate /* 2590*0Sstevel@tonic-gate * send the notification of state change 2591*0Sstevel@tonic-gate * to the HPC driver. 2592*0Sstevel@tonic-gate */ 2593*0Sstevel@tonic-gate (void) hpc_nexus_control( 2594*0Sstevel@tonic-gate slotinfop->slot_hdl, 2595*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIGURED, 2596*0Sstevel@tonic-gate NULL); 2597*0Sstevel@tonic-gate /* disconnect the slot */ 2598*0Sstevel@tonic-gate if (hpc_nexus_disconnect( 2599*0Sstevel@tonic-gate slotinfop->slot_hdl, 2600*0Sstevel@tonic-gate NULL, 0) == HPC_SUCCESS) { 2601*0Sstevel@tonic-gate slotinfop->rstate = 2602*0Sstevel@tonic-gate AP_RSTATE_DISCONNECTED; 2603*0Sstevel@tonic-gate } 2604*0Sstevel@tonic-gate 2605*0Sstevel@tonic-gate cmn_err(CE_NOTE, 2606*0Sstevel@tonic-gate "pcihp (%s%d): card is UNCONFIGURED" 2607*0Sstevel@tonic-gate " in the slot %s (pci dev %x)", 2608*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2609*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2610*0Sstevel@tonic-gate slotinfop->name, pci_dev); 2611*0Sstevel@tonic-gate } else { 2612*0Sstevel@tonic-gate /* tell HPC driver occupant is Busy */ 2613*0Sstevel@tonic-gate (void) hpc_nexus_control( 2614*0Sstevel@tonic-gate slotinfop->slot_hdl, 2615*0Sstevel@tonic-gate HPC_CTRL_DEV_UNCONFIG_FAILURE, 2616*0Sstevel@tonic-gate NULL); 2617*0Sstevel@tonic-gate 2618*0Sstevel@tonic-gate rv = HPC_ERR_FAILED; 2619*0Sstevel@tonic-gate } 2620*0Sstevel@tonic-gate } 2621*0Sstevel@tonic-gate } 2622*0Sstevel@tonic-gate 2623*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2624*0Sstevel@tonic-gate 2625*0Sstevel@tonic-gate break; 2626*0Sstevel@tonic-gate 2627*0Sstevel@tonic-gate case HPC_EVENT_SLOT_REMOVAL: 2628*0Sstevel@tonic-gate /* 2629*0Sstevel@tonic-gate * Card is removed from the slot. The card must have been 2630*0Sstevel@tonic-gate * unconfigured before this event. 2631*0Sstevel@tonic-gate */ 2632*0Sstevel@tonic-gate if (slotinfop->ostate != AP_OSTATE_UNCONFIGURED) { 2633*0Sstevel@tonic-gate panic("pcihp (%s%d): card is removed from" 2634*0Sstevel@tonic-gate " the slot %s before doing unconfigure!!", 2635*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2636*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2637*0Sstevel@tonic-gate slotinfop->name); 2638*0Sstevel@tonic-gate /*NOTREACHED*/ 2639*0Sstevel@tonic-gate } 2640*0Sstevel@tonic-gate 2641*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): card is removed" 2642*0Sstevel@tonic-gate " from the slot %s", 2643*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2644*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2645*0Sstevel@tonic-gate slotinfop->name); 2646*0Sstevel@tonic-gate 2647*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2648*0Sstevel@tonic-gate 2649*0Sstevel@tonic-gate break; 2650*0Sstevel@tonic-gate 2651*0Sstevel@tonic-gate case HPC_EVENT_SLOT_POWER_ON: 2652*0Sstevel@tonic-gate /* 2653*0Sstevel@tonic-gate * Slot is connected to the bus. i.e the card is powered 2654*0Sstevel@tonic-gate * on. Are there any error conditions to be checked? 2655*0Sstevel@tonic-gate */ 2656*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): card is powered" 2657*0Sstevel@tonic-gate " on in the slot %s", 2658*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2659*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2660*0Sstevel@tonic-gate slotinfop->name)); 2661*0Sstevel@tonic-gate 2662*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_CONNECTED; /* record rstate */ 2663*0Sstevel@tonic-gate 2664*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2665*0Sstevel@tonic-gate 2666*0Sstevel@tonic-gate break; 2667*0Sstevel@tonic-gate 2668*0Sstevel@tonic-gate case HPC_EVENT_SLOT_POWER_OFF: 2669*0Sstevel@tonic-gate /* 2670*0Sstevel@tonic-gate * Slot is disconnected from the bus. i.e the card is powered 2671*0Sstevel@tonic-gate * off. Are there any error conditions to be checked? 2672*0Sstevel@tonic-gate */ 2673*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): card is powered" 2674*0Sstevel@tonic-gate " off in the slot %s", 2675*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2676*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2677*0Sstevel@tonic-gate slotinfop->name)); 2678*0Sstevel@tonic-gate 2679*0Sstevel@tonic-gate slotinfop->rstate = AP_RSTATE_DISCONNECTED; /* record rstate */ 2680*0Sstevel@tonic-gate 2681*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2682*0Sstevel@tonic-gate 2683*0Sstevel@tonic-gate break; 2684*0Sstevel@tonic-gate 2685*0Sstevel@tonic-gate case HPC_EVENT_SLOT_LATCH_SHUT: 2686*0Sstevel@tonic-gate /* 2687*0Sstevel@tonic-gate * Latch on the slot is closed. 2688*0Sstevel@tonic-gate */ 2689*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): latch is shut" 2690*0Sstevel@tonic-gate " for the slot %s", 2691*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2692*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2693*0Sstevel@tonic-gate slotinfop->name); 2694*0Sstevel@tonic-gate 2695*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2696*0Sstevel@tonic-gate 2697*0Sstevel@tonic-gate break; 2698*0Sstevel@tonic-gate 2699*0Sstevel@tonic-gate case HPC_EVENT_SLOT_LATCH_OPEN: 2700*0Sstevel@tonic-gate /* 2701*0Sstevel@tonic-gate * Latch on the slot is open. 2702*0Sstevel@tonic-gate */ 2703*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): latch is open" 2704*0Sstevel@tonic-gate " for the slot %s", 2705*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2706*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2707*0Sstevel@tonic-gate slotinfop->name); 2708*0Sstevel@tonic-gate 2709*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2710*0Sstevel@tonic-gate 2711*0Sstevel@tonic-gate break; 2712*0Sstevel@tonic-gate 2713*0Sstevel@tonic-gate case HPC_EVENT_PROCESS_ENUM: 2714*0Sstevel@tonic-gate /* 2715*0Sstevel@tonic-gate * HSC knows the device number of the slot where the 2716*0Sstevel@tonic-gate * ENUM# was triggered. 2717*0Sstevel@tonic-gate * Now finish the necessary actions to be taken on that 2718*0Sstevel@tonic-gate * slot. Please note that the interrupt is already cleared. 2719*0Sstevel@tonic-gate * This is the second(last) part of the ENUM# event processing. 2720*0Sstevel@tonic-gate */ 2721*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): processing ENUM#" 2722*0Sstevel@tonic-gate " for slot %s", 2723*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2724*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2725*0Sstevel@tonic-gate slotinfop->name)); 2726*0Sstevel@tonic-gate 2727*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2728*0Sstevel@tonic-gate rv = pcihp_enum_slot(pcihp_p, slotinfop, pci_dev, 2729*0Sstevel@tonic-gate PCIHP_HANDLE_ENUM, KM_SLEEP); 2730*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 2731*0Sstevel@tonic-gate 2732*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2733*0Sstevel@tonic-gate 2734*0Sstevel@tonic-gate break; 2735*0Sstevel@tonic-gate 2736*0Sstevel@tonic-gate case HPC_EVENT_BUS_ENUM: 2737*0Sstevel@tonic-gate /* 2738*0Sstevel@tonic-gate * Same as HPC_EVENT_SLOT_ENUM as defined the PSARC doc. 2739*0Sstevel@tonic-gate * This term is used for better clarity of its usage. 2740*0Sstevel@tonic-gate * 2741*0Sstevel@tonic-gate * ENUM signal occurred on the bus. It may be from this 2742*0Sstevel@tonic-gate * slot or any other hotplug slot on the bus. 2743*0Sstevel@tonic-gate * 2744*0Sstevel@tonic-gate * It is NOT recommended that the hotswap controller uses 2745*0Sstevel@tonic-gate * event without queuing as NDI and other DDI calls may not 2746*0Sstevel@tonic-gate * necessarily be invokable in interrupt context. 2747*0Sstevel@tonic-gate * Hence the hotswap controller driver should use the 2748*0Sstevel@tonic-gate * CLEAR_ENUM event which returns the slot device number 2749*0Sstevel@tonic-gate * and then call HPC_EVENT_PROCESS_ENUM event with queuing. 2750*0Sstevel@tonic-gate * 2751*0Sstevel@tonic-gate * This can be used when the hotswap controller is 2752*0Sstevel@tonic-gate * implementing a polled event mechanism to do the 2753*0Sstevel@tonic-gate * necessary actions in a single call. 2754*0Sstevel@tonic-gate */ 2755*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): ENUM# is generated" 2756*0Sstevel@tonic-gate " on the bus (for slot %s ?)", 2757*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2758*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2759*0Sstevel@tonic-gate slotinfop->name)); 2760*0Sstevel@tonic-gate 2761*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2762*0Sstevel@tonic-gate rv = pcihp_handle_enum(pcihp_p, pci_dev, PCIHP_HANDLE_ENUM, 2763*0Sstevel@tonic-gate KM_SLEEP); 2764*0Sstevel@tonic-gate mutex_enter(&slotinfop->slot_mutex); 2765*0Sstevel@tonic-gate 2766*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2767*0Sstevel@tonic-gate 2768*0Sstevel@tonic-gate break; 2769*0Sstevel@tonic-gate 2770*0Sstevel@tonic-gate case HPC_EVENT_SLOT_BLUE_LED_ON: 2771*0Sstevel@tonic-gate 2772*0Sstevel@tonic-gate /* 2773*0Sstevel@tonic-gate * Request to turn Hot Swap Blue LED on. 2774*0Sstevel@tonic-gate */ 2775*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): Request To Turn On Blue " 2776*0Sstevel@tonic-gate "LED on the bus (for slot %s ?)", 2777*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2778*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2779*0Sstevel@tonic-gate slotinfop->name)); 2780*0Sstevel@tonic-gate 2781*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_SLOT_BLUE_LED_ON); 2782*0Sstevel@tonic-gate break; 2783*0Sstevel@tonic-gate 2784*0Sstevel@tonic-gate case HPC_EVENT_DISABLE_ENUM: 2785*0Sstevel@tonic-gate /* 2786*0Sstevel@tonic-gate * Disable ENUM# which disables auto configuration on this slot 2787*0Sstevel@tonic-gate */ 2788*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2789*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2790*0Sstevel@tonic-gate HPC_EVENT_DISABLE_ENUM); 2791*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_AUTO_CFG_EN; 2792*0Sstevel@tonic-gate } 2793*0Sstevel@tonic-gate break; 2794*0Sstevel@tonic-gate 2795*0Sstevel@tonic-gate case HPC_EVENT_ENABLE_ENUM: 2796*0Sstevel@tonic-gate /* 2797*0Sstevel@tonic-gate * Enable ENUM# which enables auto configuration on this slot. 2798*0Sstevel@tonic-gate */ 2799*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 2800*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 2801*0Sstevel@tonic-gate HPC_EVENT_ENABLE_ENUM); 2802*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_AUTO_CFG_EN; 2803*0Sstevel@tonic-gate } 2804*0Sstevel@tonic-gate break; 2805*0Sstevel@tonic-gate 2806*0Sstevel@tonic-gate case HPC_EVENT_SLOT_BLUE_LED_OFF: 2807*0Sstevel@tonic-gate 2808*0Sstevel@tonic-gate /* 2809*0Sstevel@tonic-gate * Request to turn Hot Swap Blue LED off. 2810*0Sstevel@tonic-gate */ 2811*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): Request To Turn Off Blue " 2812*0Sstevel@tonic-gate "LED on the bus (for slot %s ?)", 2813*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2814*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2815*0Sstevel@tonic-gate slotinfop->name)); 2816*0Sstevel@tonic-gate 2817*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_SLOT_BLUE_LED_OFF); 2818*0Sstevel@tonic-gate 2819*0Sstevel@tonic-gate break; 2820*0Sstevel@tonic-gate 2821*0Sstevel@tonic-gate case HPC_EVENT_SLOT_NOT_HEALTHY: 2822*0Sstevel@tonic-gate /* 2823*0Sstevel@tonic-gate * HEALTHY# signal on this slot is not OK. 2824*0Sstevel@tonic-gate */ 2825*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): HEALTHY# signal is not OK" 2826*0Sstevel@tonic-gate " for this slot %s", 2827*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2828*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2829*0Sstevel@tonic-gate slotinfop->name)); 2830*0Sstevel@tonic-gate 2831*0Sstevel@tonic-gate /* record the state in slot_flags field */ 2832*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_NOT_HEALTHY; 2833*0Sstevel@tonic-gate slotinfop->condition = AP_COND_FAILED; 2834*0Sstevel@tonic-gate 2835*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2836*0Sstevel@tonic-gate 2837*0Sstevel@tonic-gate break; 2838*0Sstevel@tonic-gate 2839*0Sstevel@tonic-gate case HPC_EVENT_SLOT_HEALTHY_OK: 2840*0Sstevel@tonic-gate /* 2841*0Sstevel@tonic-gate * HEALTHY# signal on this slot is OK now. 2842*0Sstevel@tonic-gate */ 2843*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): HEALTHY# signal is OK now" 2844*0Sstevel@tonic-gate " for this slot %s", 2845*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2846*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 2847*0Sstevel@tonic-gate slotinfop->name)); 2848*0Sstevel@tonic-gate 2849*0Sstevel@tonic-gate /* update the state in slot_flags field */ 2850*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_NOT_HEALTHY; 2851*0Sstevel@tonic-gate slotinfop->condition = AP_COND_OK; 2852*0Sstevel@tonic-gate 2853*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2854*0Sstevel@tonic-gate 2855*0Sstevel@tonic-gate break; 2856*0Sstevel@tonic-gate 2857*0Sstevel@tonic-gate default: 2858*0Sstevel@tonic-gate cmn_err(CE_NOTE, "pcihp (%s%d): unknown event %x" 2859*0Sstevel@tonic-gate " for this slot %s", 2860*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 2861*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), event_mask, 2862*0Sstevel@tonic-gate slotinfop->name); 2863*0Sstevel@tonic-gate 2864*0Sstevel@tonic-gate /* +++ HOOK for RCM to report this hotplug event? +++ */ 2865*0Sstevel@tonic-gate 2866*0Sstevel@tonic-gate break; 2867*0Sstevel@tonic-gate } 2868*0Sstevel@tonic-gate 2869*0Sstevel@tonic-gate mutex_exit(&slotinfop->slot_mutex); 2870*0Sstevel@tonic-gate 2871*0Sstevel@tonic-gate (void) pcihp_get_soft_state(self, PCIHP_DR_SLOT_EXIT, &rval); 2872*0Sstevel@tonic-gate 2873*0Sstevel@tonic-gate return (rv); 2874*0Sstevel@tonic-gate } 2875*0Sstevel@tonic-gate 2876*0Sstevel@tonic-gate /* 2877*0Sstevel@tonic-gate * This function is called to online or offline the devices for an 2878*0Sstevel@tonic-gate * attachment point. If the PCI device number of the node matches 2879*0Sstevel@tonic-gate * with the device number of the specified hot plug slot then 2880*0Sstevel@tonic-gate * the operation is performed. 2881*0Sstevel@tonic-gate */ 2882*0Sstevel@tonic-gate static int 2883*0Sstevel@tonic-gate pcihp_configure(dev_info_t *dip, void *hdl) 2884*0Sstevel@tonic-gate { 2885*0Sstevel@tonic-gate int pci_dev; 2886*0Sstevel@tonic-gate struct pcihp_config_ctrl *ctrl = (struct pcihp_config_ctrl *)hdl; 2887*0Sstevel@tonic-gate int rv; 2888*0Sstevel@tonic-gate pci_regspec_t *pci_rp; 2889*0Sstevel@tonic-gate int length; 2890*0Sstevel@tonic-gate 2891*0Sstevel@tonic-gate /* 2892*0Sstevel@tonic-gate * Get the PCI device number information from the devinfo 2893*0Sstevel@tonic-gate * node. Since the node may not have the address field 2894*0Sstevel@tonic-gate * setup (this is done in the DDI_INITCHILD of the parent) 2895*0Sstevel@tonic-gate * we look up the 'reg' property to decode that information. 2896*0Sstevel@tonic-gate */ 2897*0Sstevel@tonic-gate if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 2898*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "reg", (int **)&pci_rp, 2899*0Sstevel@tonic-gate (uint_t *)&length) != DDI_PROP_SUCCESS) { 2900*0Sstevel@tonic-gate ctrl->rv = DDI_FAILURE; 2901*0Sstevel@tonic-gate ctrl->dip = dip; 2902*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 2903*0Sstevel@tonic-gate } 2904*0Sstevel@tonic-gate 2905*0Sstevel@tonic-gate /* get the pci device id information */ 2906*0Sstevel@tonic-gate pci_dev = PCI_REG_DEV_G(pci_rp->pci_phys_hi); 2907*0Sstevel@tonic-gate 2908*0Sstevel@tonic-gate /* 2909*0Sstevel@tonic-gate * free the memory allocated by ddi_prop_lookup_int_array 2910*0Sstevel@tonic-gate */ 2911*0Sstevel@tonic-gate ddi_prop_free(pci_rp); 2912*0Sstevel@tonic-gate 2913*0Sstevel@tonic-gate /* 2914*0Sstevel@tonic-gate * Match the node for the device number of the slot. 2915*0Sstevel@tonic-gate */ 2916*0Sstevel@tonic-gate if (pci_dev == ctrl->pci_dev) { /* node is a match */ 2917*0Sstevel@tonic-gate if (ctrl->op == PCIHP_ONLINE) { 2918*0Sstevel@tonic-gate /* it is CONFIGURE operation */ 2919*0Sstevel@tonic-gate rv = ndi_devi_online(dip, NDI_ONLINE_ATTACH|NDI_CONFIG); 2920*0Sstevel@tonic-gate } else { 2921*0Sstevel@tonic-gate /* 2922*0Sstevel@tonic-gate * it is UNCONFIGURE operation. 2923*0Sstevel@tonic-gate */ 2924*0Sstevel@tonic-gate rv = ndi_devi_offline(dip, NDI_UNCONFIG); 2925*0Sstevel@tonic-gate } 2926*0Sstevel@tonic-gate if (rv != NDI_SUCCESS) { 2927*0Sstevel@tonic-gate /* failed to attach/detach the driver(s) */ 2928*0Sstevel@tonic-gate ctrl->rv = rv; 2929*0Sstevel@tonic-gate ctrl->dip = dip; 2930*0Sstevel@tonic-gate /* terminate the search if specified */ 2931*0Sstevel@tonic-gate if (!(ctrl->flags & PCIHP_CFG_CONTINUE)) 2932*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 2933*0Sstevel@tonic-gate } 2934*0Sstevel@tonic-gate } 2935*0Sstevel@tonic-gate 2936*0Sstevel@tonic-gate /* 2937*0Sstevel@tonic-gate * continue the walk to the next sibling to look for a match 2938*0Sstevel@tonic-gate * or to find other nodes if this card is a multi-function card. 2939*0Sstevel@tonic-gate */ 2940*0Sstevel@tonic-gate return (DDI_WALK_PRUNECHILD); 2941*0Sstevel@tonic-gate } 2942*0Sstevel@tonic-gate 2943*0Sstevel@tonic-gate /* control structure used to find a device in the devinfo tree */ 2944*0Sstevel@tonic-gate struct pcihp_find_ctrl { 2945*0Sstevel@tonic-gate uint_t device; 2946*0Sstevel@tonic-gate uint_t function; 2947*0Sstevel@tonic-gate dev_info_t *dip; 2948*0Sstevel@tonic-gate }; 2949*0Sstevel@tonic-gate 2950*0Sstevel@tonic-gate static dev_info_t * 2951*0Sstevel@tonic-gate pcihp_devi_find(dev_info_t *dip, uint_t device, uint_t function) 2952*0Sstevel@tonic-gate { 2953*0Sstevel@tonic-gate struct pcihp_find_ctrl ctrl; 2954*0Sstevel@tonic-gate int circular_count; 2955*0Sstevel@tonic-gate 2956*0Sstevel@tonic-gate ctrl.device = device; 2957*0Sstevel@tonic-gate ctrl.function = function; 2958*0Sstevel@tonic-gate ctrl.dip = NULL; 2959*0Sstevel@tonic-gate 2960*0Sstevel@tonic-gate ndi_devi_enter(dip, &circular_count); 2961*0Sstevel@tonic-gate ddi_walk_devs(ddi_get_child(dip), pcihp_match_dev, (void *)&ctrl); 2962*0Sstevel@tonic-gate ndi_devi_exit(dip, circular_count); 2963*0Sstevel@tonic-gate 2964*0Sstevel@tonic-gate return (ctrl.dip); 2965*0Sstevel@tonic-gate } 2966*0Sstevel@tonic-gate 2967*0Sstevel@tonic-gate static int 2968*0Sstevel@tonic-gate pcihp_match_dev(dev_info_t *dip, void *hdl) 2969*0Sstevel@tonic-gate { 2970*0Sstevel@tonic-gate struct pcihp_find_ctrl *ctrl = (struct pcihp_find_ctrl *)hdl; 2971*0Sstevel@tonic-gate pci_regspec_t *pci_rp; 2972*0Sstevel@tonic-gate int length; 2973*0Sstevel@tonic-gate int pci_dev; 2974*0Sstevel@tonic-gate int pci_func; 2975*0Sstevel@tonic-gate 2976*0Sstevel@tonic-gate if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 2977*0Sstevel@tonic-gate DDI_PROP_DONTPASS, "reg", (int **)&pci_rp, 2978*0Sstevel@tonic-gate (uint_t *)&length) != DDI_PROP_SUCCESS) { 2979*0Sstevel@tonic-gate ctrl->dip = NULL; 2980*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 2981*0Sstevel@tonic-gate } 2982*0Sstevel@tonic-gate 2983*0Sstevel@tonic-gate /* get the PCI device address info */ 2984*0Sstevel@tonic-gate pci_dev = PCI_REG_DEV_G(pci_rp->pci_phys_hi); 2985*0Sstevel@tonic-gate pci_func = PCI_REG_FUNC_G(pci_rp->pci_phys_hi); 2986*0Sstevel@tonic-gate 2987*0Sstevel@tonic-gate /* 2988*0Sstevel@tonic-gate * free the memory allocated by ddi_prop_lookup_int_array 2989*0Sstevel@tonic-gate */ 2990*0Sstevel@tonic-gate ddi_prop_free(pci_rp); 2991*0Sstevel@tonic-gate 2992*0Sstevel@tonic-gate 2993*0Sstevel@tonic-gate if ((pci_dev == ctrl->device) && (pci_func == ctrl->function)) { 2994*0Sstevel@tonic-gate /* found the match for the specified device address */ 2995*0Sstevel@tonic-gate ctrl->dip = dip; 2996*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 2997*0Sstevel@tonic-gate } 2998*0Sstevel@tonic-gate 2999*0Sstevel@tonic-gate /* 3000*0Sstevel@tonic-gate * continue the walk to the next sibling to look for a match. 3001*0Sstevel@tonic-gate */ 3002*0Sstevel@tonic-gate return (DDI_WALK_PRUNECHILD); 3003*0Sstevel@tonic-gate } 3004*0Sstevel@tonic-gate 3005*0Sstevel@tonic-gate #if 0 3006*0Sstevel@tonic-gate /* 3007*0Sstevel@tonic-gate * Probe the configuration space of the slot to determine the receptacle 3008*0Sstevel@tonic-gate * state. There may not be any devinfo tree created for this slot. 3009*0Sstevel@tonic-gate */ 3010*0Sstevel@tonic-gate static void 3011*0Sstevel@tonic-gate pcihp_probe_slot_state(dev_info_t *dip, int dev, hpc_slot_state_t *rstatep) 3012*0Sstevel@tonic-gate { 3013*0Sstevel@tonic-gate /* XXX FIX IT */ 3014*0Sstevel@tonic-gate } 3015*0Sstevel@tonic-gate #endif 3016*0Sstevel@tonic-gate 3017*0Sstevel@tonic-gate /* 3018*0Sstevel@tonic-gate * This routine is called when a ENUM# assertion is detected for a bus. 3019*0Sstevel@tonic-gate * Since ENUM# may be bussed, the slot that asserted ENUM# may not be known. 3020*0Sstevel@tonic-gate * The HPC Driver passes the handle of a slot that is its best guess. 3021*0Sstevel@tonic-gate * If the best guess slot is the one that asserted ENUM#, the proper handling 3022*0Sstevel@tonic-gate * will be done. If its not, all possible slots will be locked at until 3023*0Sstevel@tonic-gate * one that is asserting ENUM is found. 3024*0Sstevel@tonic-gate * Also, indicate to the HSC to turn on ENUM# after it is serviced, 3025*0Sstevel@tonic-gate * incase if it was disabled by the HSC due to the nature of asynchronous 3026*0Sstevel@tonic-gate * delivery of interrupt by the framework. 3027*0Sstevel@tonic-gate * 3028*0Sstevel@tonic-gate * opcode has the following meanings. 3029*0Sstevel@tonic-gate * PCIHP_CLEAR_ENUM = just clear interrupt and return the PCI device no. if 3030*0Sstevel@tonic-gate * success, else return -1. 3031*0Sstevel@tonic-gate * PCIHP_HANDLE_ENUM = clear interrupt and handle interrupt also. 3032*0Sstevel@tonic-gate * 3033*0Sstevel@tonic-gate */ 3034*0Sstevel@tonic-gate static int 3035*0Sstevel@tonic-gate pcihp_handle_enum(pcihp_t *pcihp_p, int favorite_pci_dev, int opcode, 3036*0Sstevel@tonic-gate int kmflag) 3037*0Sstevel@tonic-gate { 3038*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 3039*0Sstevel@tonic-gate int pci_dev, rc, event_serviced = 0; 3040*0Sstevel@tonic-gate 3041*0Sstevel@tonic-gate /* 3042*0Sstevel@tonic-gate * Handle ENUM# condition for the "favorite" slot first. 3043*0Sstevel@tonic-gate */ 3044*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[favorite_pci_dev]; 3045*0Sstevel@tonic-gate if (slotinfop) { 3046*0Sstevel@tonic-gate /* 3047*0Sstevel@tonic-gate * First try the "favorite" pci device. This is the device 3048*0Sstevel@tonic-gate * associated with the handle passed by the HPC Driver. 3049*0Sstevel@tonic-gate */ 3050*0Sstevel@tonic-gate rc = pcihp_enum_slot(pcihp_p, slotinfop, favorite_pci_dev, 3051*0Sstevel@tonic-gate opcode, kmflag); 3052*0Sstevel@tonic-gate if (rc != HPC_EVENT_UNCLAIMED) { /* indicates success */ 3053*0Sstevel@tonic-gate event_serviced = 1; 3054*0Sstevel@tonic-gate /* This MUST be a non-DEBUG feature. */ 3055*0Sstevel@tonic-gate if (! pcihp_enum_scan_all) { 3056*0Sstevel@tonic-gate return (rc); 3057*0Sstevel@tonic-gate } 3058*0Sstevel@tonic-gate } 3059*0Sstevel@tonic-gate } 3060*0Sstevel@tonic-gate 3061*0Sstevel@tonic-gate /* 3062*0Sstevel@tonic-gate * If ENUM# is implemented as a radial signal, then there is no 3063*0Sstevel@tonic-gate * need to further poll the slots. 3064*0Sstevel@tonic-gate */ 3065*0Sstevel@tonic-gate if (pcihp_p->bus_flags & PCIHP_BUS_ENUM_RADIAL) 3066*0Sstevel@tonic-gate goto enum_service_check; 3067*0Sstevel@tonic-gate 3068*0Sstevel@tonic-gate /* 3069*0Sstevel@tonic-gate * If the "favorite" pci device didn't assert ENUM#, then 3070*0Sstevel@tonic-gate * try the rest. Once we find and handle a device that asserted 3071*0Sstevel@tonic-gate * ENUM#, then we will terminate the walk by returning unless 3072*0Sstevel@tonic-gate * scan-all flag is set. 3073*0Sstevel@tonic-gate */ 3074*0Sstevel@tonic-gate for (pci_dev = 0; pci_dev < PCI_MAX_DEVS; pci_dev++) { 3075*0Sstevel@tonic-gate if (pci_dev != favorite_pci_dev) { 3076*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 3077*0Sstevel@tonic-gate if (slotinfop == NULL) { 3078*0Sstevel@tonic-gate continue; 3079*0Sstevel@tonic-gate } 3080*0Sstevel@tonic-gate /* Only CPCI devices support ENUM# generation. */ 3081*0Sstevel@tonic-gate if (!(slotinfop->slot_type & HPC_SLOT_TYPE_CPCI)) 3082*0Sstevel@tonic-gate continue; 3083*0Sstevel@tonic-gate rc = pcihp_enum_slot(pcihp_p, slotinfop, pci_dev, 3084*0Sstevel@tonic-gate opcode, kmflag); 3085*0Sstevel@tonic-gate if (rc != HPC_EVENT_UNCLAIMED) { 3086*0Sstevel@tonic-gate event_serviced = 1; 3087*0Sstevel@tonic-gate /* This MUST be a non-DEBUG feature. */ 3088*0Sstevel@tonic-gate if (! pcihp_enum_scan_all) 3089*0Sstevel@tonic-gate break; 3090*0Sstevel@tonic-gate } 3091*0Sstevel@tonic-gate } 3092*0Sstevel@tonic-gate } 3093*0Sstevel@tonic-gate 3094*0Sstevel@tonic-gate enum_service_check: 3095*0Sstevel@tonic-gate if (event_serviced) { 3096*0Sstevel@tonic-gate return (rc); 3097*0Sstevel@tonic-gate } 3098*0Sstevel@tonic-gate 3099*0Sstevel@tonic-gate /* No ENUM# event found, Return */ 3100*0Sstevel@tonic-gate return (HPC_EVENT_UNCLAIMED); 3101*0Sstevel@tonic-gate } 3102*0Sstevel@tonic-gate 3103*0Sstevel@tonic-gate /* 3104*0Sstevel@tonic-gate * This routine attempts to handle a possible ENUM# assertion case for a 3105*0Sstevel@tonic-gate * specified slot. This only works for adapters that implement Hot Swap 3106*0Sstevel@tonic-gate * Friendly Silicon. If the slot's HS_CSR is read and it specifies ENUM# 3107*0Sstevel@tonic-gate * has been asserted, either the insertion or removal handlers will be 3108*0Sstevel@tonic-gate * called. 3109*0Sstevel@tonic-gate */ 3110*0Sstevel@tonic-gate static int 3111*0Sstevel@tonic-gate pcihp_enum_slot(pcihp_t *pcihp_p, struct pcihp_slotinfo *slotinfop, int pci_dev, 3112*0Sstevel@tonic-gate int opcode, int kmflag) 3113*0Sstevel@tonic-gate { 3114*0Sstevel@tonic-gate ddi_acc_handle_t handle; 3115*0Sstevel@tonic-gate dev_info_t *dip, *new_child = NULL; 3116*0Sstevel@tonic-gate int result, rv = -1; 3117*0Sstevel@tonic-gate uint8_t hs_csr; 3118*0Sstevel@tonic-gate 3119*0Sstevel@tonic-gate if (pcihp_config_setup(&dip, &handle, &new_child, pci_dev, 3120*0Sstevel@tonic-gate pcihp_p) != DDI_SUCCESS) { 3121*0Sstevel@tonic-gate return (HPC_EVENT_UNCLAIMED); 3122*0Sstevel@tonic-gate } 3123*0Sstevel@tonic-gate 3124*0Sstevel@tonic-gate /* 3125*0Sstevel@tonic-gate * Read the device's HS_CSR. 3126*0Sstevel@tonic-gate */ 3127*0Sstevel@tonic-gate result = pcihp_get_hs_csr(slotinfop, handle, (uint8_t *)&hs_csr); 3128*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): hs_csr = %x, flags = %x", 3129*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), ddi_get_instance(pcihp_p->dip), 3130*0Sstevel@tonic-gate hs_csr, slotinfop->slot_flags)); 3131*0Sstevel@tonic-gate /* 3132*0Sstevel@tonic-gate * we teardown our device map here, because in case of an 3133*0Sstevel@tonic-gate * extraction event, our nodes would be freed and a teardown 3134*0Sstevel@tonic-gate * will cause problems. 3135*0Sstevel@tonic-gate */ 3136*0Sstevel@tonic-gate pcihp_config_teardown(&handle, &new_child, pci_dev, pcihp_p); 3137*0Sstevel@tonic-gate 3138*0Sstevel@tonic-gate if (result == PCIHP_SUCCESS) { 3139*0Sstevel@tonic-gate 3140*0Sstevel@tonic-gate /* If ENUM# is masked, then it is not us. Some other device */ 3141*0Sstevel@tonic-gate if ((hs_csr & HS_CSR_EIM) && (opcode == PCIHP_CLEAR_ENUM)) 3142*0Sstevel@tonic-gate return (HPC_EVENT_UNCLAIMED); 3143*0Sstevel@tonic-gate /* 3144*0Sstevel@tonic-gate * This device supports Full Hot Swap and implements 3145*0Sstevel@tonic-gate * the Hot Swap Control and Status Register. 3146*0Sstevel@tonic-gate */ 3147*0Sstevel@tonic-gate if ((hs_csr & HS_CSR_INS) || 3148*0Sstevel@tonic-gate (slotinfop->slot_flags & PCIHP_SLOT_ENUM_INS_PENDING)) { 3149*0Sstevel@tonic-gate /* handle insertion ENUM */ 3150*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): " 3151*0Sstevel@tonic-gate "Handle Insertion ENUM (INS) " 3152*0Sstevel@tonic-gate "on the bus (for slot %s ?)", 3153*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 3154*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 3155*0Sstevel@tonic-gate slotinfop->name)); 3156*0Sstevel@tonic-gate 3157*0Sstevel@tonic-gate /* 3158*0Sstevel@tonic-gate * generate sysevent 3159*0Sstevel@tonic-gate */ 3160*0Sstevel@tonic-gate 3161*0Sstevel@tonic-gate if (opcode == PCIHP_CLEAR_ENUM) 3162*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 3163*0Sstevel@tonic-gate PCIHP_DR_REQ, 3164*0Sstevel@tonic-gate SE_INCOMING_RES, pcihp_p->dip, 3165*0Sstevel@tonic-gate kmflag); 3166*0Sstevel@tonic-gate 3167*0Sstevel@tonic-gate rv = pcihp_handle_enum_insertion(pcihp_p, pci_dev, 3168*0Sstevel@tonic-gate opcode, kmflag); 3169*0Sstevel@tonic-gate 3170*0Sstevel@tonic-gate } else if ((hs_csr & HS_CSR_EXT) || (slotinfop->slot_flags & 3171*0Sstevel@tonic-gate PCIHP_SLOT_ENUM_EXT_PENDING)) { 3172*0Sstevel@tonic-gate /* handle extraction ENUM */ 3173*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "pcihp (%s%d): " 3174*0Sstevel@tonic-gate "Handle Extraction ENUM (EXT) " 3175*0Sstevel@tonic-gate "on the bus (for slot %s ?)", 3176*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 3177*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), 3178*0Sstevel@tonic-gate slotinfop->name)); 3179*0Sstevel@tonic-gate 3180*0Sstevel@tonic-gate /* 3181*0Sstevel@tonic-gate * generate sysevent 3182*0Sstevel@tonic-gate */ 3183*0Sstevel@tonic-gate 3184*0Sstevel@tonic-gate if (opcode == PCIHP_CLEAR_ENUM) 3185*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 3186*0Sstevel@tonic-gate PCIHP_DR_REQ, 3187*0Sstevel@tonic-gate SE_OUTGOING_RES, 3188*0Sstevel@tonic-gate pcihp_p->dip, 3189*0Sstevel@tonic-gate kmflag); 3190*0Sstevel@tonic-gate 3191*0Sstevel@tonic-gate rv = pcihp_handle_enum_extraction(pcihp_p, pci_dev, 3192*0Sstevel@tonic-gate opcode, kmflag); 3193*0Sstevel@tonic-gate } 3194*0Sstevel@tonic-gate if (opcode == PCIHP_CLEAR_ENUM) { 3195*0Sstevel@tonic-gate if (rv == PCIHP_SUCCESS) 3196*0Sstevel@tonic-gate rv = pci_dev; 3197*0Sstevel@tonic-gate else 3198*0Sstevel@tonic-gate rv = HPC_EVENT_UNCLAIMED; 3199*0Sstevel@tonic-gate } 3200*0Sstevel@tonic-gate } 3201*0Sstevel@tonic-gate 3202*0Sstevel@tonic-gate return (rv); 3203*0Sstevel@tonic-gate } 3204*0Sstevel@tonic-gate 3205*0Sstevel@tonic-gate /* 3206*0Sstevel@tonic-gate * This routine is called when a ENUM# caused by lifting the lever 3207*0Sstevel@tonic-gate * is detected. If the occupant is configured, it will be unconfigured. 3208*0Sstevel@tonic-gate * If the occupant is already unconfigured or is successfully unconfigured, 3209*0Sstevel@tonic-gate * the blue LED on the adapter is illuminated which means its OK to remove. 3210*0Sstevel@tonic-gate * Please note that the lock must be released before invoking the 3211*0Sstevel@tonic-gate * generic AP unconfigure function. 3212*0Sstevel@tonic-gate */ 3213*0Sstevel@tonic-gate static int 3214*0Sstevel@tonic-gate pcihp_handle_enum_extraction(pcihp_t *pcihp_p, int pci_dev, int opcode, 3215*0Sstevel@tonic-gate int kmflag) 3216*0Sstevel@tonic-gate { 3217*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 3218*0Sstevel@tonic-gate int rv = PCIHP_FAILURE; 3219*0Sstevel@tonic-gate 3220*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 3221*0Sstevel@tonic-gate 3222*0Sstevel@tonic-gate /* 3223*0Sstevel@tonic-gate * It was observed that, clearing the EXT bit turned the LED ON. 3224*0Sstevel@tonic-gate * This is a BIG problem in case if the unconfigure operation 3225*0Sstevel@tonic-gate * failed because the board was busy. 3226*0Sstevel@tonic-gate * In order to avoid this confusing situation (LED ON but the board 3227*0Sstevel@tonic-gate * is not unconfigured), we instead decided not to clear EXT but 3228*0Sstevel@tonic-gate * disable further ENUM# from this slot. Disabling ENUM# clears 3229*0Sstevel@tonic-gate * the interrupt. 3230*0Sstevel@tonic-gate * Finally before returning we clear the interrupt and enable 3231*0Sstevel@tonic-gate * ENUM# back again from this slot. 3232*0Sstevel@tonic-gate */ 3233*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_DISABLE_ENUM); 3234*0Sstevel@tonic-gate if (opcode == PCIHP_CLEAR_ENUM) { 3235*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_ENUM_EXT_PENDING; 3236*0Sstevel@tonic-gate return (PCIHP_SUCCESS); 3237*0Sstevel@tonic-gate } 3238*0Sstevel@tonic-gate 3239*0Sstevel@tonic-gate rv = pcihp_unconfigure_ap(pcihp_p, pci_dev); 3240*0Sstevel@tonic-gate if (rv != HPC_SUCCESS && rv != EBUSY) { 3241*0Sstevel@tonic-gate cmn_err(CE_NOTE, "%s%d: PCI device %x Failed on Unconfigure", 3242*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 3243*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev); 3244*0Sstevel@tonic-gate } 3245*0Sstevel@tonic-gate if (rv == EBUSY) 3246*0Sstevel@tonic-gate cmn_err(CE_NOTE, "%s%d: PCI device %x Busy", 3247*0Sstevel@tonic-gate ddi_driver_name(pcihp_p->dip), 3248*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev); 3249*0Sstevel@tonic-gate if (rv) { 3250*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 3251*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 3252*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_OFF); 3253*0Sstevel@tonic-gate } 3254*0Sstevel@tonic-gate /* 3255*0Sstevel@tonic-gate * we must clear interrupt in case the unconfigure didn't do it 3256*0Sstevel@tonic-gate * due to a duplicate interrupt. Extraction is success. 3257*0Sstevel@tonic-gate */ 3258*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_SLOT_UNCONFIGURE); 3259*0Sstevel@tonic-gate 3260*0Sstevel@tonic-gate if (!rv) { 3261*0Sstevel@tonic-gate /* 3262*0Sstevel@tonic-gate * Sys Event Notification. 3263*0Sstevel@tonic-gate */ 3264*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, PCIHP_DR_AP_STATE_CHANGE, 3265*0Sstevel@tonic-gate SE_HINT_REMOVE, pcihp_p->dip, kmflag); 3266*0Sstevel@tonic-gate } 3267*0Sstevel@tonic-gate 3268*0Sstevel@tonic-gate /* 3269*0Sstevel@tonic-gate * Enable interrupts back from this board. 3270*0Sstevel@tonic-gate * This could potentially be problematic in case if the user is 3271*0Sstevel@tonic-gate * quick enough to extract the board. 3272*0Sstevel@tonic-gate * But we must do it just in case if the switch is closed again. 3273*0Sstevel@tonic-gate */ 3274*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_ENABLE_ENUM); 3275*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_ENUM_EXT_PENDING; 3276*0Sstevel@tonic-gate return (rv); 3277*0Sstevel@tonic-gate } 3278*0Sstevel@tonic-gate 3279*0Sstevel@tonic-gate /* 3280*0Sstevel@tonic-gate * This routine is called when a ENUM# caused by when an adapter insertion 3281*0Sstevel@tonic-gate * is detected. If the occupant is successfully configured (i.e. PCI resources 3282*0Sstevel@tonic-gate * successfully assigned, the blue LED is left off, otherwise if configuration 3283*0Sstevel@tonic-gate * is not successful, the blue LED is illuminated. 3284*0Sstevel@tonic-gate * Please note that the lock must be released before invoking the 3285*0Sstevel@tonic-gate * generic AP configure function. 3286*0Sstevel@tonic-gate */ 3287*0Sstevel@tonic-gate static int 3288*0Sstevel@tonic-gate pcihp_handle_enum_insertion(pcihp_t *pcihp_p, int pci_dev, int opcode, 3289*0Sstevel@tonic-gate int kmflag) 3290*0Sstevel@tonic-gate { 3291*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 3292*0Sstevel@tonic-gate int rv = PCIHP_FAILURE; 3293*0Sstevel@tonic-gate minor_t ap_minor; 3294*0Sstevel@tonic-gate major_t ap_major; 3295*0Sstevel@tonic-gate 3296*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 3297*0Sstevel@tonic-gate slotinfop->hs_csr_location = 0; 3298*0Sstevel@tonic-gate /* we clear the interrupt here. This is a must here. */ 3299*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_SLOT_CONFIGURE); 3300*0Sstevel@tonic-gate /* 3301*0Sstevel@tonic-gate * disable further interrupt from this board till it is 3302*0Sstevel@tonic-gate * configured. 3303*0Sstevel@tonic-gate */ 3304*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_DISABLE_ENUM); 3305*0Sstevel@tonic-gate if (opcode == PCIHP_CLEAR_ENUM) { 3306*0Sstevel@tonic-gate slotinfop->slot_flags |= PCIHP_SLOT_ENUM_INS_PENDING; 3307*0Sstevel@tonic-gate return (PCIHP_SUCCESS); 3308*0Sstevel@tonic-gate } 3309*0Sstevel@tonic-gate 3310*0Sstevel@tonic-gate if ((slotinfop->slot_flags & PCIHP_SLOT_AUTO_CFG_EN) == 3311*0Sstevel@tonic-gate PCIHP_SLOT_AUTO_CFG_EN) { 3312*0Sstevel@tonic-gate rv = pcihp_configure_ap(pcihp_p, pci_dev); 3313*0Sstevel@tonic-gate if (rv != HPC_SUCCESS) { /* configure failed */ 3314*0Sstevel@tonic-gate cmn_err(CE_NOTE, "%s%d: PCI device %x Failed on" 3315*0Sstevel@tonic-gate " Configure", ddi_driver_name(pcihp_p->dip), 3316*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev); 3317*0Sstevel@tonic-gate if (pcihp_cpci_blue_led) 3318*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, 3319*0Sstevel@tonic-gate HPC_EVENT_SLOT_BLUE_LED_ON); 3320*0Sstevel@tonic-gate } 3321*0Sstevel@tonic-gate 3322*0Sstevel@tonic-gate /* pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_CLEAR_ENUM); */ 3323*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_p, pci_dev, HPC_EVENT_ENABLE_ENUM); 3324*0Sstevel@tonic-gate 3325*0Sstevel@tonic-gate if (!rv) { 3326*0Sstevel@tonic-gate ap_major = ddi_driver_major(pcihp_p->dip); 3327*0Sstevel@tonic-gate ap_minor = PCIHP_AP_MINOR_NUM( 3328*0Sstevel@tonic-gate ddi_get_instance(pcihp_p->dip), pci_dev); 3329*0Sstevel@tonic-gate pcihp_create_occupant_props(pcihp_p->dip, 3330*0Sstevel@tonic-gate makedevice(ap_major, ap_minor), pci_dev); 3331*0Sstevel@tonic-gate 3332*0Sstevel@tonic-gate /* 3333*0Sstevel@tonic-gate * Sys Event Notification. 3334*0Sstevel@tonic-gate */ 3335*0Sstevel@tonic-gate pcihp_gen_sysevent(slotinfop->name, 3336*0Sstevel@tonic-gate PCIHP_DR_AP_STATE_CHANGE, 3337*0Sstevel@tonic-gate SE_HINT_INSERT, pcihp_p->dip, kmflag); 3338*0Sstevel@tonic-gate } 3339*0Sstevel@tonic-gate 3340*0Sstevel@tonic-gate } else 3341*0Sstevel@tonic-gate rv = PCIHP_SUCCESS; 3342*0Sstevel@tonic-gate slotinfop->slot_flags &= ~PCIHP_SLOT_ENUM_INS_PENDING; 3343*0Sstevel@tonic-gate return (rv); 3344*0Sstevel@tonic-gate } 3345*0Sstevel@tonic-gate 3346*0Sstevel@tonic-gate /* 3347*0Sstevel@tonic-gate * Read the Hot Swap Control and Status Register (HS_CSR) and 3348*0Sstevel@tonic-gate * place the result in the location pointed to be hs_csr. 3349*0Sstevel@tonic-gate */ 3350*0Sstevel@tonic-gate static int 3351*0Sstevel@tonic-gate pcihp_get_hs_csr(struct pcihp_slotinfo *slotinfop, 3352*0Sstevel@tonic-gate ddi_acc_handle_t config_handle, uint8_t *hs_csr) 3353*0Sstevel@tonic-gate { 3354*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == -1) 3355*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3356*0Sstevel@tonic-gate 3357*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == 0) { 3358*0Sstevel@tonic-gate slotinfop->hs_csr_location = 3359*0Sstevel@tonic-gate pcihp_get_hs_csr_location(config_handle); 3360*0Sstevel@tonic-gate 3361*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == -1) 3362*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3363*0Sstevel@tonic-gate } 3364*0Sstevel@tonic-gate *hs_csr = pci_config_get8(config_handle, slotinfop->hs_csr_location); 3365*0Sstevel@tonic-gate return (PCIHP_SUCCESS); 3366*0Sstevel@tonic-gate } 3367*0Sstevel@tonic-gate 3368*0Sstevel@tonic-gate /* 3369*0Sstevel@tonic-gate * Write the Hot Swap Control and Status Register (HS_CSR) with 3370*0Sstevel@tonic-gate * the value being pointed at by hs_csr. 3371*0Sstevel@tonic-gate */ 3372*0Sstevel@tonic-gate static void 3373*0Sstevel@tonic-gate pcihp_set_hs_csr(struct pcihp_slotinfo *slotinfop, 3374*0Sstevel@tonic-gate ddi_acc_handle_t config_handle, uint8_t *hs_csr) 3375*0Sstevel@tonic-gate { 3376*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == -1) 3377*0Sstevel@tonic-gate return; 3378*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == 0) { 3379*0Sstevel@tonic-gate slotinfop->hs_csr_location = 3380*0Sstevel@tonic-gate pcihp_get_hs_csr_location(config_handle); 3381*0Sstevel@tonic-gate if (slotinfop->hs_csr_location == -1) 3382*0Sstevel@tonic-gate return; 3383*0Sstevel@tonic-gate } 3384*0Sstevel@tonic-gate pci_config_put8(config_handle, slotinfop->hs_csr_location, *hs_csr); 3385*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "hs_csr wrote %x, read %x", *hs_csr, 3386*0Sstevel@tonic-gate pci_config_get8(config_handle, slotinfop->hs_csr_location))); 3387*0Sstevel@tonic-gate } 3388*0Sstevel@tonic-gate 3389*0Sstevel@tonic-gate static int 3390*0Sstevel@tonic-gate pcihp_get_hs_csr_location(ddi_acc_handle_t config_handle) 3391*0Sstevel@tonic-gate { 3392*0Sstevel@tonic-gate uint8_t cap_id; 3393*0Sstevel@tonic-gate uint_t cap_id_loc; 3394*0Sstevel@tonic-gate uint16_t status; 3395*0Sstevel@tonic-gate int location = -1; 3396*0Sstevel@tonic-gate #define PCI_STAT_ECP_SUPP 0x10 3397*0Sstevel@tonic-gate 3398*0Sstevel@tonic-gate /* 3399*0Sstevel@tonic-gate * Need to check the Status register for ECP support first. 3400*0Sstevel@tonic-gate * Also please note that for type 1 devices, the 3401*0Sstevel@tonic-gate * offset could change. Should support type 1 next. 3402*0Sstevel@tonic-gate */ 3403*0Sstevel@tonic-gate status = pci_config_get16(config_handle, PCI_CONF_STAT); 3404*0Sstevel@tonic-gate if (!(status & PCI_STAT_ECP_SUPP)) { 3405*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "No Ext Capabilities for device\n")); 3406*0Sstevel@tonic-gate return (-1); 3407*0Sstevel@tonic-gate } 3408*0Sstevel@tonic-gate cap_id_loc = pci_config_get8(config_handle, PCI_CONF_EXTCAP); 3409*0Sstevel@tonic-gate 3410*0Sstevel@tonic-gate /* 3411*0Sstevel@tonic-gate * Walk the list of capabilities, but don't walk past the end 3412*0Sstevel@tonic-gate * of the Configuration Space Header. 3413*0Sstevel@tonic-gate */ 3414*0Sstevel@tonic-gate while ((cap_id_loc) && (cap_id_loc < PCI_CONF_HDR_SIZE)) { 3415*0Sstevel@tonic-gate 3416*0Sstevel@tonic-gate cap_id = pci_config_get8(config_handle, cap_id_loc); 3417*0Sstevel@tonic-gate 3418*0Sstevel@tonic-gate if (cap_id == CPCI_HOTSWAP_CAPID) { 3419*0Sstevel@tonic-gate location = cap_id_loc + PCI_ECP_HS_CSR; 3420*0Sstevel@tonic-gate break; 3421*0Sstevel@tonic-gate } 3422*0Sstevel@tonic-gate cap_id_loc = pci_config_get8(config_handle, 3423*0Sstevel@tonic-gate cap_id_loc + 1); 3424*0Sstevel@tonic-gate } 3425*0Sstevel@tonic-gate return (location); 3426*0Sstevel@tonic-gate } 3427*0Sstevel@tonic-gate 3428*0Sstevel@tonic-gate static int 3429*0Sstevel@tonic-gate pcihp_add_dummy_reg_property(dev_info_t *dip, 3430*0Sstevel@tonic-gate uint_t bus, uint_t device, uint_t func) 3431*0Sstevel@tonic-gate { 3432*0Sstevel@tonic-gate pci_regspec_t dummy_reg; 3433*0Sstevel@tonic-gate 3434*0Sstevel@tonic-gate bzero(&dummy_reg, sizeof (dummy_reg)); 3435*0Sstevel@tonic-gate 3436*0Sstevel@tonic-gate dummy_reg.pci_phys_hi = PCIHP_MAKE_REG_HIGH(bus, device, func, 0); 3437*0Sstevel@tonic-gate 3438*0Sstevel@tonic-gate return (ndi_prop_update_int_array(DDI_DEV_T_NONE, dip, 3439*0Sstevel@tonic-gate "reg", (int *)&dummy_reg, sizeof (pci_regspec_t)/sizeof (int))); 3440*0Sstevel@tonic-gate } 3441*0Sstevel@tonic-gate 3442*0Sstevel@tonic-gate static void 3443*0Sstevel@tonic-gate pcihp_hs_csr_op(pcihp_t *pcihp_p, int pci_dev, int event) 3444*0Sstevel@tonic-gate { 3445*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 3446*0Sstevel@tonic-gate ddi_acc_handle_t config_handle; 3447*0Sstevel@tonic-gate dev_info_t *dip, *new_child = NULL; 3448*0Sstevel@tonic-gate uint8_t hs_csr; 3449*0Sstevel@tonic-gate int result; 3450*0Sstevel@tonic-gate 3451*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 3452*0Sstevel@tonic-gate 3453*0Sstevel@tonic-gate if (pcihp_config_setup(&dip, &config_handle, &new_child, pci_dev, 3454*0Sstevel@tonic-gate pcihp_p) != DDI_SUCCESS) { 3455*0Sstevel@tonic-gate return; 3456*0Sstevel@tonic-gate } 3457*0Sstevel@tonic-gate 3458*0Sstevel@tonic-gate result = pcihp_get_hs_csr(slotinfop, config_handle, (uint8_t *)&hs_csr); 3459*0Sstevel@tonic-gate if ((result != PCIHP_SUCCESS) || (event == -1)) { 3460*0Sstevel@tonic-gate pcihp_config_teardown(&config_handle, &new_child, pci_dev, 3461*0Sstevel@tonic-gate pcihp_p); 3462*0Sstevel@tonic-gate return; 3463*0Sstevel@tonic-gate } 3464*0Sstevel@tonic-gate 3465*0Sstevel@tonic-gate hs_csr &= 0xf; 3466*0Sstevel@tonic-gate switch (event) { 3467*0Sstevel@tonic-gate case HPC_EVENT_SLOT_BLUE_LED_ON: 3468*0Sstevel@tonic-gate hs_csr |= HS_CSR_LOO; 3469*0Sstevel@tonic-gate break; 3470*0Sstevel@tonic-gate case HPC_EVENT_SLOT_BLUE_LED_OFF: 3471*0Sstevel@tonic-gate hs_csr &= ~HS_CSR_LOO; 3472*0Sstevel@tonic-gate break; 3473*0Sstevel@tonic-gate case HPC_EVENT_SLOT_CONFIGURE: 3474*0Sstevel@tonic-gate hs_csr |= HS_CSR_INS; /* clear INS */ 3475*0Sstevel@tonic-gate break; 3476*0Sstevel@tonic-gate case HPC_EVENT_CLEAR_ENUM: 3477*0Sstevel@tonic-gate hs_csr |= (HS_CSR_INS | HS_CSR_EXT); 3478*0Sstevel@tonic-gate break; 3479*0Sstevel@tonic-gate case HPC_EVENT_SLOT_UNCONFIGURE: 3480*0Sstevel@tonic-gate hs_csr |= HS_CSR_EXT; /* clear EXT */ 3481*0Sstevel@tonic-gate break; 3482*0Sstevel@tonic-gate case HPC_EVENT_ENABLE_ENUM: 3483*0Sstevel@tonic-gate hs_csr &= ~HS_CSR_EIM; 3484*0Sstevel@tonic-gate break; 3485*0Sstevel@tonic-gate case HPC_EVENT_DISABLE_ENUM: 3486*0Sstevel@tonic-gate hs_csr |= HS_CSR_EIM; 3487*0Sstevel@tonic-gate break; 3488*0Sstevel@tonic-gate case HPC_EVENT_SLOT_NOT_HEALTHY: 3489*0Sstevel@tonic-gate case HPC_EVENT_SLOT_HEALTHY_OK: 3490*0Sstevel@tonic-gate default: 3491*0Sstevel@tonic-gate break; 3492*0Sstevel@tonic-gate } 3493*0Sstevel@tonic-gate pcihp_set_hs_csr(slotinfop, config_handle, (uint8_t *)&hs_csr); 3494*0Sstevel@tonic-gate pcihp_config_teardown(&config_handle, &new_child, pci_dev, pcihp_p); 3495*0Sstevel@tonic-gate } 3496*0Sstevel@tonic-gate 3497*0Sstevel@tonic-gate static int 3498*0Sstevel@tonic-gate pcihp_config_setup(dev_info_t **dip, ddi_acc_handle_t *handle, 3499*0Sstevel@tonic-gate dev_info_t **new_child, int pci_dev, pcihp_t *pcihp_p) 3500*0Sstevel@tonic-gate { 3501*0Sstevel@tonic-gate dev_info_t *pdip = pcihp_p->dip; 3502*0Sstevel@tonic-gate int bus, len, rc = DDI_SUCCESS; 3503*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop; 3504*0Sstevel@tonic-gate hpc_slot_state_t rstate; 3505*0Sstevel@tonic-gate ddi_acc_hdl_t *hp; 3506*0Sstevel@tonic-gate struct bus_range { 3507*0Sstevel@tonic-gate uint32_t lo; 3508*0Sstevel@tonic-gate uint32_t hi; 3509*0Sstevel@tonic-gate } pci_bus_range; 3510*0Sstevel@tonic-gate int flags = 0; 3511*0Sstevel@tonic-gate 3512*0Sstevel@tonic-gate slotinfop = &pcihp_p->slotinfo[pci_dev]; 3513*0Sstevel@tonic-gate 3514*0Sstevel@tonic-gate /* 3515*0Sstevel@tonic-gate * If declared failed, don't allow Config operations. 3516*0Sstevel@tonic-gate * Otherwise, if good or failing, it is assumed Ok 3517*0Sstevel@tonic-gate * to get config data. 3518*0Sstevel@tonic-gate */ 3519*0Sstevel@tonic-gate if (slotinfop->condition == AP_COND_FAILED) { 3520*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3521*0Sstevel@tonic-gate } 3522*0Sstevel@tonic-gate /* 3523*0Sstevel@tonic-gate * check to see if there is a hardware present first. 3524*0Sstevel@tonic-gate * If no hardware present, no need to probe this slot. 3525*0Sstevel@tonic-gate * We can do this first probably as a first step towards 3526*0Sstevel@tonic-gate * safeguarding from accidental removal (we don't support it!). 3527*0Sstevel@tonic-gate */ 3528*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, 3529*0Sstevel@tonic-gate HPC_CTRL_GET_SLOT_STATE, (caddr_t)&rstate) != 0) { 3530*0Sstevel@tonic-gate return (DDI_FAILURE); 3531*0Sstevel@tonic-gate } 3532*0Sstevel@tonic-gate 3533*0Sstevel@tonic-gate if (rstate != HPC_SLOT_CONNECTED) { 3534*0Sstevel@tonic-gate /* error. slot must be connected */ 3535*0Sstevel@tonic-gate return (DDI_FAILURE); 3536*0Sstevel@tonic-gate } 3537*0Sstevel@tonic-gate *new_child = NULL; 3538*0Sstevel@tonic-gate 3539*0Sstevel@tonic-gate /* 3540*0Sstevel@tonic-gate * If there is no dip then we need to see if an 3541*0Sstevel@tonic-gate * adapter has just been hot plugged. 3542*0Sstevel@tonic-gate */ 3543*0Sstevel@tonic-gate len = sizeof (struct bus_range); 3544*0Sstevel@tonic-gate if (ddi_getlongprop_buf(DDI_DEV_T_NONE, pdip, 3545*0Sstevel@tonic-gate 0, "bus-range", 3546*0Sstevel@tonic-gate (caddr_t)&pci_bus_range, &len) != DDI_SUCCESS) { 3547*0Sstevel@tonic-gate 3548*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3549*0Sstevel@tonic-gate } 3550*0Sstevel@tonic-gate 3551*0Sstevel@tonic-gate /* primary bus number of this bus node */ 3552*0Sstevel@tonic-gate bus = pci_bus_range.lo; 3553*0Sstevel@tonic-gate 3554*0Sstevel@tonic-gate if (ndi_devi_alloc(pdip, DEVI_PSEUDO_NEXNAME, 3555*0Sstevel@tonic-gate (dnode_t)DEVI_SID_NODEID, dip) != NDI_SUCCESS) { 3556*0Sstevel@tonic-gate 3557*0Sstevel@tonic-gate PCIHP_DEBUG((CE_NOTE, "Failed to alloc probe node\n")); 3558*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3559*0Sstevel@tonic-gate } 3560*0Sstevel@tonic-gate 3561*0Sstevel@tonic-gate if (pcihp_add_dummy_reg_property(*dip, bus, 3562*0Sstevel@tonic-gate pci_dev, 0) != DDI_SUCCESS) { 3563*0Sstevel@tonic-gate 3564*0Sstevel@tonic-gate (void) ndi_devi_free(*dip); 3565*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3566*0Sstevel@tonic-gate } 3567*0Sstevel@tonic-gate 3568*0Sstevel@tonic-gate /* 3569*0Sstevel@tonic-gate * Probe for a device. Possibly a non (c)PCI board could be sitting 3570*0Sstevel@tonic-gate * here which would never respond to PCI config cycles - in which 3571*0Sstevel@tonic-gate * case we return. Eventually a configure operation would fail. 3572*0Sstevel@tonic-gate */ 3573*0Sstevel@tonic-gate if (pci_config_setup(*dip, handle) != DDI_SUCCESS) { 3574*0Sstevel@tonic-gate cmn_err(CE_WARN, "Cannot set config space map for" 3575*0Sstevel@tonic-gate " pci device number %d", pci_dev); 3576*0Sstevel@tonic-gate (void) ndi_devi_free(*dip); 3577*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3578*0Sstevel@tonic-gate } 3579*0Sstevel@tonic-gate 3580*0Sstevel@tonic-gate if (pcihp_indirect_map(*dip) == DDI_SUCCESS) 3581*0Sstevel@tonic-gate flags |= PCICFG_CONF_INDIRECT_MAP; 3582*0Sstevel@tonic-gate 3583*0Sstevel@tonic-gate /* 3584*0Sstevel@tonic-gate * See if there is any PCI HW at this location 3585*0Sstevel@tonic-gate * by reading the Vendor ID. If it returns with 0xffff 3586*0Sstevel@tonic-gate * then there is no hardware at this location. 3587*0Sstevel@tonic-gate */ 3588*0Sstevel@tonic-gate if (flags & PCICFG_CONF_INDIRECT_MAP) { 3589*0Sstevel@tonic-gate 3590*0Sstevel@tonic-gate if (pci_config_get16(*handle, 0) == 0xffff) { 3591*0Sstevel@tonic-gate pci_config_teardown(handle); 3592*0Sstevel@tonic-gate (void) ndi_devi_free(*dip); 3593*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3594*0Sstevel@tonic-gate } 3595*0Sstevel@tonic-gate } else { 3596*0Sstevel@tonic-gate /* Check if mapping is OK */ 3597*0Sstevel@tonic-gate hp = impl_acc_hdl_get(*handle); 3598*0Sstevel@tonic-gate 3599*0Sstevel@tonic-gate if (ddi_peek16(*dip, (int16_t *)(hp->ah_addr), 3600*0Sstevel@tonic-gate (int16_t *)0) != DDI_SUCCESS) { 3601*0Sstevel@tonic-gate #ifdef DEBUG 3602*0Sstevel@tonic-gate cmn_err(CE_WARN, "Cannot Map PCI config space for " 3603*0Sstevel@tonic-gate "device number %d", pci_dev); 3604*0Sstevel@tonic-gate #endif 3605*0Sstevel@tonic-gate pci_config_teardown(handle); 3606*0Sstevel@tonic-gate (void) ndi_devi_free(*dip); 3607*0Sstevel@tonic-gate return (PCIHP_FAILURE); 3608*0Sstevel@tonic-gate } 3609*0Sstevel@tonic-gate } 3610*0Sstevel@tonic-gate 3611*0Sstevel@tonic-gate *new_child = *dip; 3612*0Sstevel@tonic-gate return (rc); 3613*0Sstevel@tonic-gate 3614*0Sstevel@tonic-gate } 3615*0Sstevel@tonic-gate 3616*0Sstevel@tonic-gate static void 3617*0Sstevel@tonic-gate pcihp_config_teardown(ddi_acc_handle_t *handle, 3618*0Sstevel@tonic-gate dev_info_t **new_child, int pci_dev, pcihp_t *pcihp_p) 3619*0Sstevel@tonic-gate { 3620*0Sstevel@tonic-gate struct pcihp_slotinfo *slotinfop = &pcihp_p->slotinfo[pci_dev]; 3621*0Sstevel@tonic-gate 3622*0Sstevel@tonic-gate pci_config_teardown(handle); 3623*0Sstevel@tonic-gate if (*new_child) { 3624*0Sstevel@tonic-gate (void) ndi_devi_free(*new_child); 3625*0Sstevel@tonic-gate /* 3626*0Sstevel@tonic-gate * If occupant not configured, reset HS_CSR location 3627*0Sstevel@tonic-gate * so that we reprobe. This covers cases where 3628*0Sstevel@tonic-gate * the receptacle had a status change without a 3629*0Sstevel@tonic-gate * notification to the framework. 3630*0Sstevel@tonic-gate */ 3631*0Sstevel@tonic-gate if (slotinfop->ostate != AP_OSTATE_CONFIGURED) 3632*0Sstevel@tonic-gate slotinfop->hs_csr_location = 0; 3633*0Sstevel@tonic-gate } 3634*0Sstevel@tonic-gate } 3635*0Sstevel@tonic-gate 3636*0Sstevel@tonic-gate static int 3637*0Sstevel@tonic-gate pcihp_get_board_type(struct pcihp_slotinfo *slotinfop) 3638*0Sstevel@tonic-gate { 3639*0Sstevel@tonic-gate hpc_board_type_t board_type; 3640*0Sstevel@tonic-gate 3641*0Sstevel@tonic-gate /* 3642*0Sstevel@tonic-gate * Get board type data structure, hpc_board_type_t. 3643*0Sstevel@tonic-gate */ 3644*0Sstevel@tonic-gate if (hpc_nexus_control(slotinfop->slot_hdl, HPC_CTRL_GET_BOARD_TYPE, 3645*0Sstevel@tonic-gate (caddr_t)&board_type) != 0) { 3646*0Sstevel@tonic-gate 3647*0Sstevel@tonic-gate cmn_err(CE_WARN, "Cannot Get Board Type.."); 3648*0Sstevel@tonic-gate return (-1); 3649*0Sstevel@tonic-gate } 3650*0Sstevel@tonic-gate 3651*0Sstevel@tonic-gate /* 3652*0Sstevel@tonic-gate * We expect the Hotswap Controller to tell us if the board is 3653*0Sstevel@tonic-gate * a hotswap board or not, as it probably cannot differentiate 3654*0Sstevel@tonic-gate * between a basic hotswap board, a non hotswap board and a 3655*0Sstevel@tonic-gate * hotswap nonfriendly board. 3656*0Sstevel@tonic-gate * So here is the logic to differentiate between the various 3657*0Sstevel@tonic-gate * types of cPCI boards. 3658*0Sstevel@tonic-gate * In case if the HSC returns board type as unknown, we assign 3659*0Sstevel@tonic-gate * the default board type as defined by a configurable variable 3660*0Sstevel@tonic-gate * for a BHS, nonfriendly FHS and non HS board. 3661*0Sstevel@tonic-gate */ 3662*0Sstevel@tonic-gate if (slotinfop->slot_type & HPC_SLOT_TYPE_CPCI) { 3663*0Sstevel@tonic-gate if (slotinfop->hs_csr_location > 0) 3664*0Sstevel@tonic-gate board_type = HPC_BOARD_CPCI_FULL_HS; 3665*0Sstevel@tonic-gate else { 3666*0Sstevel@tonic-gate if (board_type == HPC_BOARD_CPCI_HS) { 3667*0Sstevel@tonic-gate if (slotinfop->hs_csr_location 3668*0Sstevel@tonic-gate == -1) 3669*0Sstevel@tonic-gate board_type = 3670*0Sstevel@tonic-gate HPC_BOARD_CPCI_BASIC_HS; 3671*0Sstevel@tonic-gate } 3672*0Sstevel@tonic-gate if (board_type == HPC_BOARD_UNKNOWN) { 3673*0Sstevel@tonic-gate if (slotinfop->hs_csr_location 3674*0Sstevel@tonic-gate == -1) { 3675*0Sstevel@tonic-gate board_type = 3676*0Sstevel@tonic-gate pcihp_cpci_board_type; 3677*0Sstevel@tonic-gate } else if 3678*0Sstevel@tonic-gate (slotinfop->hs_csr_location 3679*0Sstevel@tonic-gate != 0) { 3680*0Sstevel@tonic-gate board_type = 3681*0Sstevel@tonic-gate HPC_BOARD_CPCI_FULL_HS; 3682*0Sstevel@tonic-gate } 3683*0Sstevel@tonic-gate } 3684*0Sstevel@tonic-gate } 3685*0Sstevel@tonic-gate /* 3686*0Sstevel@tonic-gate * If board type is a non hotswap board, then we must 3687*0Sstevel@tonic-gate * deny a unconfigure operation. So set this flag. 3688*0Sstevel@tonic-gate * Strictly speaking, there is no reason not to disallow 3689*0Sstevel@tonic-gate * a unconfigure operation on nonhotswap boards. But this 3690*0Sstevel@tonic-gate * is the only way we can prevent a user from accidentally 3691*0Sstevel@tonic-gate * removing the board and damaging it. 3692*0Sstevel@tonic-gate */ 3693*0Sstevel@tonic-gate if (board_type == HPC_BOARD_CPCI_NON_HS) 3694*0Sstevel@tonic-gate slotinfop->slot_flags |= 3695*0Sstevel@tonic-gate PCIHP_SLOT_DEV_NON_HOTPLUG; 3696*0Sstevel@tonic-gate else 3697*0Sstevel@tonic-gate slotinfop->slot_flags &= 3698*0Sstevel@tonic-gate ~PCIHP_SLOT_DEV_NON_HOTPLUG; 3699*0Sstevel@tonic-gate } 3700*0Sstevel@tonic-gate return (board_type); 3701*0Sstevel@tonic-gate } 3702*0Sstevel@tonic-gate 3703*0Sstevel@tonic-gate 3704*0Sstevel@tonic-gate /* 3705*0Sstevel@tonic-gate * Generate the System Event with a possible hint. 3706*0Sstevel@tonic-gate */ 3707*0Sstevel@tonic-gate static void 3708*0Sstevel@tonic-gate pcihp_gen_sysevent(char *slot_name, int event_sub_class, int hint, 3709*0Sstevel@tonic-gate dev_info_t *self, int kmflag) 3710*0Sstevel@tonic-gate { 3711*0Sstevel@tonic-gate 3712*0Sstevel@tonic-gate int err; 3713*0Sstevel@tonic-gate char *ev_subclass = NULL; 3714*0Sstevel@tonic-gate sysevent_id_t eid; 3715*0Sstevel@tonic-gate nvlist_t *ev_attr_list = NULL; 3716*0Sstevel@tonic-gate char attach_pnt[MAXPATHLEN]; 3717*0Sstevel@tonic-gate 3718*0Sstevel@tonic-gate /* 3719*0Sstevel@tonic-gate * Minor device name (AP) will be bus path 3720*0Sstevel@tonic-gate * concatenated with slot name 3721*0Sstevel@tonic-gate */ 3722*0Sstevel@tonic-gate 3723*0Sstevel@tonic-gate (void) strcpy(attach_pnt, PCIHP_DEVICES_STR); 3724*0Sstevel@tonic-gate (void) ddi_pathname(self, attach_pnt + strlen(PCIHP_DEVICES_STR)); 3725*0Sstevel@tonic-gate (void) strcat(attach_pnt, ":"); 3726*0Sstevel@tonic-gate (void) strcat(attach_pnt, slot_name); 3727*0Sstevel@tonic-gate err = nvlist_alloc(&ev_attr_list, NV_UNIQUE_NAME_TYPE, kmflag); 3728*0Sstevel@tonic-gate if (err != 0) { 3729*0Sstevel@tonic-gate cmn_err(CE_WARN, 3730*0Sstevel@tonic-gate "%s%d: Failed to allocate memory " 3731*0Sstevel@tonic-gate "for event attributes%s", ddi_driver_name(self), 3732*0Sstevel@tonic-gate ddi_get_instance(self), ESC_DR_AP_STATE_CHANGE); 3733*0Sstevel@tonic-gate return; 3734*0Sstevel@tonic-gate } 3735*0Sstevel@tonic-gate 3736*0Sstevel@tonic-gate switch (event_sub_class) { 3737*0Sstevel@tonic-gate 3738*0Sstevel@tonic-gate /* event sub class: ESC_DR_AP_STATE_CHANGE */ 3739*0Sstevel@tonic-gate case PCIHP_DR_AP_STATE_CHANGE: 3740*0Sstevel@tonic-gate 3741*0Sstevel@tonic-gate ev_subclass = ESC_DR_AP_STATE_CHANGE; 3742*0Sstevel@tonic-gate 3743*0Sstevel@tonic-gate switch (hint) { 3744*0Sstevel@tonic-gate 3745*0Sstevel@tonic-gate case SE_NO_HINT: /* fall through */ 3746*0Sstevel@tonic-gate case SE_HINT_INSERT: /* fall through */ 3747*0Sstevel@tonic-gate case SE_HINT_REMOVE: 3748*0Sstevel@tonic-gate 3749*0Sstevel@tonic-gate 3750*0Sstevel@tonic-gate err = nvlist_add_string(ev_attr_list, DR_HINT, 3751*0Sstevel@tonic-gate SE_HINT2STR(hint)); 3752*0Sstevel@tonic-gate 3753*0Sstevel@tonic-gate if (err != 0) { 3754*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: Failed to add attr [%s]" 3755*0Sstevel@tonic-gate " for %s event", ddi_driver_name(self), 3756*0Sstevel@tonic-gate ddi_get_instance(self), 3757*0Sstevel@tonic-gate DR_HINT, ESC_DR_AP_STATE_CHANGE); 3758*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3759*0Sstevel@tonic-gate return; 3760*0Sstevel@tonic-gate } 3761*0Sstevel@tonic-gate break; 3762*0Sstevel@tonic-gate 3763*0Sstevel@tonic-gate default: 3764*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: Unknown hint on sysevent", 3765*0Sstevel@tonic-gate ddi_driver_name(self), ddi_get_instance(self)); 3766*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3767*0Sstevel@tonic-gate return; 3768*0Sstevel@tonic-gate } 3769*0Sstevel@tonic-gate 3770*0Sstevel@tonic-gate break; 3771*0Sstevel@tonic-gate 3772*0Sstevel@tonic-gate /* event sub class: ESC_DR_REQ */ 3773*0Sstevel@tonic-gate case PCIHP_DR_REQ: 3774*0Sstevel@tonic-gate 3775*0Sstevel@tonic-gate ev_subclass = ESC_DR_REQ; 3776*0Sstevel@tonic-gate 3777*0Sstevel@tonic-gate switch (hint) { 3778*0Sstevel@tonic-gate 3779*0Sstevel@tonic-gate case SE_INVESTIGATE_RES: /* fall through */ 3780*0Sstevel@tonic-gate case SE_INCOMING_RES: /* fall through */ 3781*0Sstevel@tonic-gate case SE_OUTGOING_RES: /* fall through */ 3782*0Sstevel@tonic-gate 3783*0Sstevel@tonic-gate err = nvlist_add_string(ev_attr_list, DR_REQ_TYPE, 3784*0Sstevel@tonic-gate SE_REQ2STR(hint)); 3785*0Sstevel@tonic-gate 3786*0Sstevel@tonic-gate if (err != 0) { 3787*0Sstevel@tonic-gate cmn_err(CE_WARN, 3788*0Sstevel@tonic-gate "%s%d: Failed to add attr [%s] " 3789*0Sstevel@tonic-gate "for %s event", ddi_driver_name(self), 3790*0Sstevel@tonic-gate ddi_get_instance(self), 3791*0Sstevel@tonic-gate DR_REQ_TYPE, ESC_DR_REQ); 3792*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3793*0Sstevel@tonic-gate return; 3794*0Sstevel@tonic-gate } 3795*0Sstevel@tonic-gate break; 3796*0Sstevel@tonic-gate 3797*0Sstevel@tonic-gate default: 3798*0Sstevel@tonic-gate cmn_err(CE_WARN, 3799*0Sstevel@tonic-gate "%s%d: Unknown hint on sysevent", 3800*0Sstevel@tonic-gate ddi_driver_name(self), ddi_get_instance(self)); 3801*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3802*0Sstevel@tonic-gate return; 3803*0Sstevel@tonic-gate } 3804*0Sstevel@tonic-gate 3805*0Sstevel@tonic-gate break; 3806*0Sstevel@tonic-gate 3807*0Sstevel@tonic-gate default: 3808*0Sstevel@tonic-gate cmn_err(CE_WARN, 3809*0Sstevel@tonic-gate "%s%d: Unknown Event subclass", ddi_driver_name(self), 3810*0Sstevel@tonic-gate ddi_get_instance(self)); 3811*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3812*0Sstevel@tonic-gate return; 3813*0Sstevel@tonic-gate } 3814*0Sstevel@tonic-gate 3815*0Sstevel@tonic-gate /* 3816*0Sstevel@tonic-gate * Add attachment point as attribute (common attribute) 3817*0Sstevel@tonic-gate */ 3818*0Sstevel@tonic-gate 3819*0Sstevel@tonic-gate err = nvlist_add_string(ev_attr_list, DR_AP_ID, attach_pnt); 3820*0Sstevel@tonic-gate 3821*0Sstevel@tonic-gate if (err != 0) { 3822*0Sstevel@tonic-gate cmn_err(CE_WARN, 3823*0Sstevel@tonic-gate "%s%d: Failed to add attr [%s] for %s event", 3824*0Sstevel@tonic-gate ddi_driver_name(self), ddi_get_instance(self), 3825*0Sstevel@tonic-gate DR_AP_ID, EC_DR); 3826*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3827*0Sstevel@tonic-gate return; 3828*0Sstevel@tonic-gate } 3829*0Sstevel@tonic-gate 3830*0Sstevel@tonic-gate 3831*0Sstevel@tonic-gate /* 3832*0Sstevel@tonic-gate * Log this event with sysevent framework. 3833*0Sstevel@tonic-gate */ 3834*0Sstevel@tonic-gate 3835*0Sstevel@tonic-gate err = ddi_log_sysevent(self, DDI_VENDOR_SUNW, EC_DR, 3836*0Sstevel@tonic-gate ev_subclass, ev_attr_list, &eid, 3837*0Sstevel@tonic-gate ((kmflag == KM_SLEEP) ? DDI_SLEEP : DDI_NOSLEEP)); 3838*0Sstevel@tonic-gate if (err != 0) { 3839*0Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: Failed to log %s event", 3840*0Sstevel@tonic-gate ddi_driver_name(self), ddi_get_instance(self), EC_DR); 3841*0Sstevel@tonic-gate } 3842*0Sstevel@tonic-gate 3843*0Sstevel@tonic-gate nvlist_free(ev_attr_list); 3844*0Sstevel@tonic-gate } 3845*0Sstevel@tonic-gate 3846*0Sstevel@tonic-gate int 3847*0Sstevel@tonic-gate pcihp_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 3848*0Sstevel@tonic-gate int flags, char *name, caddr_t valuep, int *lengthp) 3849*0Sstevel@tonic-gate { 3850*0Sstevel@tonic-gate int pci_dev; 3851*0Sstevel@tonic-gate 3852*0Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY) 3853*0Sstevel@tonic-gate goto skip; 3854*0Sstevel@tonic-gate 3855*0Sstevel@tonic-gate if (strcmp(name, "pci-occupant") == 0) { 3856*0Sstevel@tonic-gate pci_dev = PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(getminor(dev)); 3857*0Sstevel@tonic-gate pcihp_create_occupant_props_nolock(dip, dev, pci_dev); 3858*0Sstevel@tonic-gate } 3859*0Sstevel@tonic-gate /* other cases... */ 3860*0Sstevel@tonic-gate skip: 3861*0Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, flags, name, valuep, lengthp)); 3862*0Sstevel@tonic-gate } 3863*0Sstevel@tonic-gate 3864*0Sstevel@tonic-gate /* 3865*0Sstevel@tonic-gate * this function is called only for SPARC platforms, where we may have 3866*0Sstevel@tonic-gate * a mix n' match of direct vs indirectly mapped configuration space. 3867*0Sstevel@tonic-gate * On x86, this function should always return success since the configuration 3868*0Sstevel@tonic-gate * space is always indirect mapped. 3869*0Sstevel@tonic-gate */ 3870*0Sstevel@tonic-gate /*ARGSUSED*/ 3871*0Sstevel@tonic-gate static int 3872*0Sstevel@tonic-gate pcihp_indirect_map(dev_info_t *dip) 3873*0Sstevel@tonic-gate { 3874*0Sstevel@tonic-gate #if defined(__sparc) 3875*0Sstevel@tonic-gate int rc = DDI_FAILURE; 3876*0Sstevel@tonic-gate 3877*0Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, ddi_get_parent(dip), 0, 3878*0Sstevel@tonic-gate PCICFG_DEV_CONF_MAP_PROP, DDI_FAILURE) != DDI_FAILURE) 3879*0Sstevel@tonic-gate rc = DDI_SUCCESS; 3880*0Sstevel@tonic-gate else 3881*0Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, ddi_get_parent(dip), 3882*0Sstevel@tonic-gate 0, PCICFG_BUS_CONF_MAP_PROP, 3883*0Sstevel@tonic-gate DDI_FAILURE) != DDI_FAILURE) 3884*0Sstevel@tonic-gate rc = DDI_SUCCESS; 3885*0Sstevel@tonic-gate return (rc); 3886*0Sstevel@tonic-gate #else 3887*0Sstevel@tonic-gate return (DDI_SUCCESS); 3888*0Sstevel@tonic-gate #endif 3889*0Sstevel@tonic-gate } 3890