diff options
Diffstat (limited to 'usr/src/uts/common/avs/ns/dsw/dsw.c')
| -rw-r--r-- | usr/src/uts/common/avs/ns/dsw/dsw.c | 655 |
1 files changed, 0 insertions, 655 deletions
diff --git a/usr/src/uts/common/avs/ns/dsw/dsw.c b/usr/src/uts/common/avs/ns/dsw/dsw.c deleted file mode 100644 index 270f97dfc2..0000000000 --- a/usr/src/uts/common/avs/ns/dsw/dsw.c +++ /dev/null @@ -1,655 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2009 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#define _DSW_ - -#include <sys/types.h> -#include <sys/ksynch.h> -#include <sys/kmem.h> -#include <sys/errno.h> -#include <sys/conf.h> -#include <sys/cmn_err.h> -#include <sys/modctl.h> -#include <sys/cred.h> -#include <sys/file.h> -#include <sys/ddi.h> -#include <sys/unistat/spcs_s.h> -#include <sys/dkio.h> - -#ifdef DS_DDICT -#include "../contract.h" -#endif - -#include <sys/nsctl/nsctl.h> -#include <sys/nsctl/nsvers.h> - -#include <sys/sdt.h> /* dtrace is S10 or later */ - -#include "dsw.h" -#include "dsw_dev.h" - -#define DIDINIT 0x01 -#define DIDNODES 0x02 - - -static int iiopen(dev_t *devp, int flag, int otyp, cred_t *crp); -static int iiclose(dev_t dev, int flag, int otyp, cred_t *crp); -static int iiprint(dev_t dev, char *str); -static int iiioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *crp, - int *rvp); -static int iiprobe(dev_info_t *dip); -static int iiattach(dev_info_t *dip, ddi_attach_cmd_t cmd); -static int iidetach(dev_info_t *dip, ddi_detach_cmd_t cmd); -static int iistrat(struct buf *); -static int iiread(); - - -static kstat_t *ii_gkstat = NULL; -iigkstat_t iigkstat = { - { "ii_debug", KSTAT_DATA_ULONG }, - { "ii_bitmap", KSTAT_DATA_ULONG }, - { "ii_throttle_unit", KSTAT_DATA_ULONG }, - { "ii_throttle_delay", KSTAT_DATA_ULONG }, - { "ii_copy_direct", KSTAT_DATA_ULONG }, - { "num-sets", KSTAT_DATA_ULONG }, - { "assoc-over", KSTAT_DATA_ULONG }, - { "spilled-over", KSTAT_DATA_ULONG }, -}; - -static struct cb_ops ii_cb_ops = { - iiopen, - iiclose, - iistrat, /* dummy strategy */ - iiprint, - nodev, /* no dump */ - iiread, /* dummy read */ - nodev, /* no write */ - iiioctl, - nodev, /* no devmap */ - nodev, /* no mmap */ - nodev, /* no segmap */ - nochpoll, - ddi_prop_op, - NULL, /* not STREAMS */ - D_NEW | D_MP -}; - -static struct dev_ops ii_ops = { - DEVO_REV, - 0, - nodev, /* no getinfo */ - nulldev, - iiprobe, - iiattach, - iidetach, - nodev, /* no reset */ - &ii_cb_ops, - (struct bus_ops *)NULL -}; - -static struct modldrv ii_ldrv = { - &mod_driverops, - "nws:Point-in-Time:" ISS_VERSION_STR, - &ii_ops -}; - -static struct modlinkage ii_modlinkage = { - MODREV_1, - &ii_ldrv, - NULL -}; - -struct ii_state { - dev_info_t *dip; - int instance; -}; - -/* used for logging sysevent, gets set in _ii_attach */ -dev_info_t *ii_dip = NULL; - -extern _ii_info_t *_ii_info_top; -extern _ii_lsthead_t *_ii_cluster_top; -extern _ii_lsthead_t *_ii_group_top; -extern kmutex_t _ii_cluster_mutex; -extern kmutex_t _ii_group_mutex; - -const int dsw_major_rev = ISS_VERSION_MAJ; /* Major release number */ -const int dsw_minor_rev = ISS_VERSION_MIN; /* Minor release number */ -const int dsw_micro_rev = ISS_VERSION_MIC; /* Micro release number */ -const int dsw_baseline_rev = ISS_VERSION_NUM; /* Baseline revision */ -static void *ii_statep; - -extern int _ii_init_dev(); -extern void _ii_deinit_dev(); -extern int _ii_config(intptr_t arg, int ilp32, int *rvp, int iflags); -extern int _ii_disable(intptr_t arg, int ilp32, int *rvp); -extern int _ii_suspend(intptr_t arg, int ilp32, int *rvp); -extern int _ii_bitmap(intptr_t arg, int ilp32, int *rvp); -extern int _ii_segment(intptr_t arg, int ilp32, int *rvp); -extern int _ii_abort(intptr_t arg, int ilp32, int *rvp); -extern int _ii_acopy(intptr_t arg, int ilp32, int *rvp); -extern int _ii_copy(intptr_t arg, int ilp32, int *rvp); -extern int _ii_shutdown(intptr_t arg, int *rvp); -extern int _ii_stat(intptr_t arg, int ilp32, int *rvp); -extern int _ii_version(intptr_t arg, int ilp32, int *rvp); -extern int _ii_wait(intptr_t arg, int ilp32, int *rvp); -extern int _ii_reset(intptr_t arg, int ilp32, int *rvp); -extern int _ii_offline(intptr_t arg, int ilp32, int *rvp); -extern int _ii_list(intptr_t arg, int ilp32, int *rvp); -extern int _ii_listlen(int cmd, int ilp32, int *rvp); -extern int _ii_export(intptr_t arg, int ilp32, int *rvp); -extern int _ii_join(intptr_t arg, int ilp32, int *rvp); -extern int _ii_copyparm(intptr_t arg, int ilp32, int *rvp); -extern int _ii_ocreate(intptr_t arg, int ilp32, int *rvp); -extern int _ii_oattach(intptr_t arg, int ilp32, int *rvp); -extern int _ii_odetach(intptr_t arg, int ilp32, int *rvp); -extern int _ii_olist(intptr_t arg, int ilp32, int *rvp); -extern int _ii_ostat(intptr_t arg, int ilp32, int *rvp, int is_iost_2); -extern int _ii_bitsset(intptr_t arg, int ilp32, int cmd, int *rvp); -extern int _ii_gc_list(intptr_t, int, int *, kmutex_t *, _ii_lsthead_t *); -extern int _ii_clist(intptr_t arg, int ilp32, int *rvp); -extern int _ii_move_grp(intptr_t arg, int ilp32, int *rvp); -extern int _ii_change_tag(intptr_t arg, int ilp32, int *rvp); -extern int ii_debug; -extern int ii_throttle_unit; -extern int ii_throttle_delay; -extern int ii_copy_direct; -extern int ii_bitmap; - -int -_init(void) -{ - int error; - - error = ddi_soft_state_init(&ii_statep, sizeof (struct ii_state), 1); - if (!error) { - error = mod_install(&ii_modlinkage); - if (error) - ddi_soft_state_fini(&ii_statep); - } - - return (error); -} - -int -_fini(void) -{ - int error; - - error = mod_remove(&ii_modlinkage); - if (!error) - ddi_soft_state_fini(&ii_statep); - - return (error); -} - -int -_info(struct modinfo *modinfop) -{ - int rc; - - rc = mod_info(&ii_modlinkage, modinfop); - - return (rc); -} - -/* ARGSUSED */ - -static int -iiprobe(dev_info_t *dip) -{ - return (DDI_PROBE_SUCCESS); -} - -/*ARGSUSED*/ -static int -ii_stats_update(kstat_t *ksp, int rw) -{ - if (KSTAT_WRITE == rw) { - return (EACCES); - } - - /* - * We do nothing here for now -- the kstat structure is - * updated in-place - */ - - return (0); -} - -static void -ii_create_kstats() -{ - /* create global info structure */ - if (!ii_gkstat) { - ii_gkstat = kstat_create("ii", 0, "global", "StorEdge", - KSTAT_TYPE_NAMED, - sizeof (iigkstat) / sizeof (kstat_named_t), - KSTAT_FLAG_VIRTUAL); - if (ii_gkstat) { - ii_gkstat->ks_data = &iigkstat; - ii_gkstat->ks_update = ii_stats_update; - ii_gkstat->ks_private = 0; - kstat_install(ii_gkstat); - - /* fill in immutable values */ - iigkstat.ii_debug.value.ul = ii_debug; - iigkstat.ii_bitmap.value.ul = ii_bitmap; - iigkstat.ii_throttle_unit.value.ul = ii_throttle_unit; - iigkstat.ii_throttle_delay.value.ul = - ii_throttle_delay; - iigkstat.ii_copy_direct.value.ul = ii_copy_direct; - } else { - cmn_err(CE_WARN, "!Unable to create II global stats"); - } - } -} - -static int -iiattach(dev_info_t *dip, ddi_attach_cmd_t cmd) -{ - struct ii_state *xsp; - int instance; - int i; - intptr_t flags; - - if (cmd != DDI_ATTACH) { - return (DDI_FAILURE); - } - /* save the dev_info_t to be used in logging using ddi_log_sysevent */ - ii_dip = dip; - - instance = ddi_get_instance(dip); - if (ddi_soft_state_zalloc(ii_statep, instance) != 0) { - cmn_err(CE_WARN, "!ii: no memory for instance %d state.", - instance); - return (DDI_FAILURE); - } - - flags = 0; - xsp = ddi_get_soft_state(ii_statep, instance); - if (xsp == NULL) { - cmn_err(CE_WARN, - "!ii: attach: could not get state for instance %d.", - instance); - goto out; - } - - ii_debug = ddi_prop_get_int(DDI_DEV_T_ANY, dip, - DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ii_debug", 0); - if (ii_debug != 0) { -#ifdef DEBUG - cmn_err(CE_NOTE, "!ii: initializing ii version %d.%d.%d.%d", - dsw_major_rev, dsw_minor_rev, - dsw_micro_rev, dsw_baseline_rev); -#else - if (dsw_micro_rev) { - cmn_err(CE_NOTE, "!ii: initializing ii vers %d.%d.%d", - dsw_major_rev, dsw_minor_rev, dsw_micro_rev); - } else { - cmn_err(CE_NOTE, "!ii: initializing ii version %d.%d", - dsw_major_rev, dsw_minor_rev); - } -#endif - switch (ii_debug) { - case 1: - case 2: cmn_err(CE_NOTE, - "!ii: ii_debug=%d is enabled.", ii_debug); - break; - default: - cmn_err(CE_WARN, - "!ii: Value of ii_debug=%d is not 0,1 or 2.", - ii_debug); - } - } - - ii_bitmap = ddi_prop_get_int(DDI_DEV_T_ANY, dip, - DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ii_bitmap", II_WTHRU); - switch (ii_bitmap) { - case II_KMEM: - if (ii_debug > 0) - cmn_err(CE_NOTE, "!ii: ii_bitmap is in memory"); - break; - case II_FWC: - if (ii_debug > 0) - cmn_err(CE_NOTE, "!ii: ii_bitmap is on disk," - " no FWC"); - break; - case II_WTHRU: - if (ii_debug > 0) - cmn_err(CE_NOTE, "!ii: ii_bitmap is on disk"); - break; - default: - cmn_err(CE_NOTE, - "!ii: ii_bitmap=%d out of range; " - "defaulting WTHRU(%d)", ii_bitmap, II_WTHRU); - ii_bitmap = II_WTHRU; - } - - /* pick up these values if in ii.conf, otherwise leave alone */ - i = ddi_prop_get_int(DDI_DEV_T_ANY, dip, - DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ii_throttle_unit", 0); - if (i > 0) { - ii_throttle_unit = i; - if ((ii_throttle_unit < MIN_THROTTLE_UNIT) || - (ii_throttle_unit > MAX_THROTTLE_UNIT) || - (ii_debug > 0)) - cmn_err(CE_NOTE, - "!ii: ii_throttle_unit=%d", ii_throttle_unit); - } - - i = ddi_prop_get_int(DDI_DEV_T_ANY, dip, - DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ii_throttle_delay", 0); - if (i > 0) { - ii_throttle_delay = i; - if ((ii_throttle_delay < MIN_THROTTLE_DELAY) || - (ii_throttle_delay > MIN_THROTTLE_DELAY) || - (ii_debug > 0)) - cmn_err(CE_NOTE, - "!ii: ii_throttle_delay=%d", ii_throttle_delay); - } - - ii_copy_direct = ddi_prop_get_int(DDI_DEV_T_ANY, dip, - DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ii_copy_direct", 1); - if (i > 0) { - ii_copy_direct = i; - if ((ii_copy_direct < 0) || (ii_copy_direct > 1)) - cmn_err(CE_NOTE, - "!ii: ii_copy_direct=%d", ii_copy_direct); - } - - if (_ii_init_dev()) { - cmn_err(CE_WARN, "!ii: _ii_init_dev failed"); - goto out; - } - flags |= DIDINIT; - - xsp->dip = dip; - xsp->instance = instance; - - if (ddi_create_minor_node(dip, "ii", S_IFCHR, instance, DDI_PSEUDO, 0) - != DDI_SUCCESS) { - cmn_err(CE_WARN, "!ii: could not create node."); - goto out; - } - flags |= DIDNODES; - - ddi_set_driver_private(dip, (caddr_t)flags); - ddi_report_dev(dip); - - ii_create_kstats(); - - return (DDI_SUCCESS); - -out: - ddi_set_driver_private(dip, (caddr_t)flags); - (void) iidetach(dip, DDI_DETACH); - - return (DDI_FAILURE); -} - -static int -iidetach(dev_info_t *dip, ddi_detach_cmd_t cmd) -{ - struct ii_state *xsp; - int instance; - intptr_t flags; - - if (cmd != DDI_DETACH) { - return (DDI_FAILURE); - } - - if (_ii_info_top) { - return (DDI_FAILURE); /* busy */ - } - - instance = ddi_get_instance(dip); - xsp = ddi_get_soft_state(ii_statep, instance); - if (xsp == NULL) { - cmn_err(CE_WARN, - "!ii: detach: could not get state for instance %d.", - instance); - return (DDI_FAILURE); - } - - flags = (intptr_t)ddi_get_driver_private(dip); - if (flags & DIDNODES) - ddi_remove_minor_node(dip, NULL); - if (flags & DIDINIT) - _ii_deinit_dev(); - - ddi_soft_state_free(ii_statep, instance); - - if (ii_gkstat) { - kstat_delete(ii_gkstat); - ii_gkstat = NULL; - } - - return (DDI_SUCCESS); -} - - -/* ARGSUSED */ - -static int -iiopen(dev_t *devp, int flag, int otyp, cred_t *crp) -{ - int error; - - error = drv_priv(crp); - - return (error); -} - - -/* ARGSUSED */ - -static int -iiclose(dev_t dev, int flag, int otyp, cred_t *crp) -{ - return (0); -} - -/* ARGSUSED */ - -static int -iiprint(dev_t dev, char *str) -{ - int instance = 0; - - cmn_err(CE_WARN, "!ii%d: %s", instance, str); - return (0); -} - -/* ARGSUSED */ - -static int -iiioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *crp, int *rvp) -{ - int rc; - int ilp32; - - ilp32 = (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32); - - - switch (cmd) { - case DSWIOC_WAIT: - rc = _ii_wait(arg, ilp32, rvp); - break; - - case DSWIOC_RESET: - rc = _ii_reset(arg, ilp32, rvp); - break; - - case DSWIOC_VERSION: - rc = _ii_version(arg, ilp32, rvp); - break; - - case DSWIOC_ENABLE: - rc = _ii_config(arg, ilp32, rvp, 0); - break; - - case DSWIOC_RESUME: - rc = _ii_config(arg, ilp32, rvp, II_EXISTING); - break; - - case DSWIOC_DISABLE: - rc = _ii_disable(arg, ilp32, rvp); - break; - - case DSWIOC_SUSPEND: - rc = _ii_suspend(arg, ilp32, rvp); - break; - - case DSWIOC_ACOPY: - rc = _ii_acopy(arg, ilp32, rvp); - break; - - case DSWIOC_COPY: - rc = _ii_copy(arg, ilp32, rvp); - break; - - case DSWIOC_SHUTDOWN: - rc = _ii_shutdown(arg, rvp); - break; - - case DSWIOC_STAT: - rc = _ii_stat(arg, ilp32, rvp); - break; - - case DSWIOC_BITMAP: - rc = _ii_bitmap(arg, ilp32, rvp); - break; - - case DSWIOC_SEGMENT: - rc = _ii_segment(arg, ilp32, rvp); - break; - - case DSWIOC_ABORT: - rc = _ii_abort(arg, ilp32, rvp); - break; - - case DSWIOC_OFFLINE: - rc = _ii_offline(arg, ilp32, rvp); - break; - - case DSWIOC_LIST: - rc = _ii_list(arg, ilp32, rvp); - break; - - case DSWIOC_LISTLEN: - case DSWIOC_OLISTLEN: - rc = _ii_listlen(cmd, ilp32, rvp); - break; - - case DSWIOC_EXPORT: - rc = _ii_export(arg, ilp32, rvp); - break; - - case DSWIOC_IMPORT: - rc = _ii_config(arg, ilp32, rvp, II_IMPORT); - break; - - case DSWIOC_JOIN: - rc = _ii_join(arg, ilp32, rvp); - break; - - case DSWIOC_COPYP: - rc = _ii_copyparm(arg, ilp32, rvp); - break; - - case DSWIOC_OCREAT: - rc = _ii_ocreate(arg, ilp32, rvp); - break; - - case DSWIOC_OATTACH: - rc = _ii_oattach(arg, ilp32, rvp); - break; - - case DSWIOC_ODETACH: - rc = _ii_odetach(arg, ilp32, rvp); - break; - - case DSWIOC_OLIST: - rc = _ii_olist(arg, ilp32, rvp); - break; - - case DSWIOC_OSTAT: - rc = _ii_ostat(arg, ilp32, rvp, FALSE); - break; - - case DSWIOC_OSTAT2: - rc = _ii_ostat(arg, ilp32, rvp, TRUE); - break; - - case DSWIOC_SBITSSET: - case DSWIOC_CBITSSET: - rc = _ii_bitsset(arg, ilp32, cmd, rvp); - break; - - case DSWIOC_CLIST: - rc = _ii_gc_list(arg, ilp32, rvp, &_ii_cluster_mutex, - _ii_cluster_top); - break; - - case DSWIOC_GLIST: - rc = _ii_gc_list(arg, ilp32, rvp, &_ii_group_mutex, - _ii_group_top); - break; - - case DSWIOC_MOVEGRP: - rc = _ii_move_grp(arg, ilp32, rvp); - break; - - case DSWIOC_CHANGETAG: - rc = _ii_change_tag(arg, ilp32, rvp); - break; - - default: - rc = EINVAL; - break; - } - - return (rc); -} - -/* - * dummy function - */ - -static int -iistrat(struct buf *bp) -{ - bp->b_error = EIO; - biodone(bp); - - return (0); -} - -static int -iiread() -{ - return (EIO); -} |