/* * 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 (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved. */ /* * Copyright 2011 cyril.galibern@opensvc.com * Copyright 2017 Nexenta Systems, Inc. All rights reserved. * Copyright 2019 Joyent, Inc. * Copyright 2022 RackTop Systems, Inc. * Copyright 2022 Garrett D'Amore */ #ifndef _SYS_SCSI_TARGETS_SDDEF_H #define _SYS_SCSI_TARGETS_SDDEF_H #include <sys/dktp/fdisk.h> #include <sys/note.h> #include <sys/mhd.h> #include <sys/cmlb.h> #ifdef __cplusplus extern "C" { #endif #if defined(_KERNEL) || defined(_KMEMUSER) #define SD_SUCCESS 0 #define SD_FAILURE (-1) #if defined(TRUE) #undef TRUE #endif #if defined(FALSE) #undef FALSE #endif #define TRUE 1 #define FALSE 0 #if defined(VERBOSE) #undef VERBOSE #endif #if defined(SILENT) #undef SILENT #endif /* * Fault Injection Flag for Inclusion of Code * * This should only be defined when SDDEBUG is defined * #if DEBUG || lint * #define SD_FAULT_INJECTION * #endif */ #if DEBUG || lint #define SD_FAULT_INJECTION #endif #define VERBOSE 1 #define SILENT 0 /* * Structures for recording whether a device is fully open or closed. * Assumptions: * * + There are only 8 (sparc) or 16 (x86) disk slices possible. * + BLK, MNT, CHR, SWP don't change in some future release! */ #if defined(_SUNOS_VTOC_8) #define SDUNIT_SHIFT 3 #define SDPART_MASK 7 #define NSDMAP NDKMAP #elif defined(_SUNOS_VTOC_16) /* * XXX - NSDMAP has multiple definitions, one more in cmlb_impl.h * If they are coalesced into one, this definition will follow suit. * FDISK partitions - 4 primary and MAX_EXT_PARTS number of Extended * Partitions. */ #define FDISK_PARTS (FD_NUMPART + MAX_EXT_PARTS) #define SDUNIT_SHIFT 6 #define SDPART_MASK 63 #define NSDMAP (NDKMAP + FDISK_PARTS + 1) #else #error "No VTOC format defined." #endif #define SDUNIT(dev) (getminor((dev)) >> SDUNIT_SHIFT) #define SDPART(dev) (getminor((dev)) & SDPART_MASK) /* * maximum number of partitions the driver keeps track of; with * EFI this can be larger than the number of partitions accessible * through the minor nodes. It won't be used for keeping track * of open counts, partition kstats, etc. */ #define MAXPART (NSDMAP + 1) /* * Macro to retrieve the DDI instance number from the given buf struct. * The instance number is encoded in the minor device number. */ #define SD_GET_INSTANCE_FROM_BUF(bp) \ (getminor((bp)->b_edev) >> SDUNIT_SHIFT) struct ocinfo { /* * Types BLK, MNT, CHR, SWP, * assumed to be types 0-3. */ uint64_t lyr_open[NSDMAP]; uint64_t reg_open[OTYPCNT - 1]; }; #define OCSIZE sizeof (struct ocinfo) union ocmap { uchar_t chkd[OCSIZE]; struct ocinfo rinfo; }; #define lyropen rinfo.lyr_open #define regopen rinfo.reg_open #define SD_CDB_GROUP0 0 #define SD_CDB_GROUP1 1 #define SD_CDB_GROUP5 2 #define SD_CDB_GROUP4 3 struct sd_cdbinfo { uchar_t sc_grpcode; /* CDB group code */ uchar_t sc_grpmask; /* CDB group code mask (for cmd opcode) */ uint64_t sc_maxlba; /* Maximum logical block addr. supported */ uint32_t sc_maxlen; /* Maximum transfer length supported */ }; /* * The following declaration are for Non-512 byte block support for the * removable devices. (ex - DVD RAM, MO). * wm_state: This is an enumeration for the different states for * manipalating write range list during the read-modify-write-operation. */ typedef enum { SD_WM_CHK_LIST, /* Check list for overlapping writes */ SD_WM_WAIT_MAP, /* Wait for an overlapping I/O to complete */ SD_WM_LOCK_RANGE, /* Lock the range of lba to be written */ SD_WM_DONE /* I/O complete */ } wm_state; /* * sd_w_map: Every write I/O will get one w_map allocated for it which will tell * the range on the media which is being written for that request. */ struct sd_w_map { uint_t wm_start; /* Write start location */ uint_t wm_end; /* Write end location */ ushort_t wm_flags; /* State of the wmap */ ushort_t wm_wanted_count; /* # of threads waiting for region */ void *wm_private; /* Used to store bp->b_private */ struct buf *wm_bufp; /* to store buf pointer */ struct sd_w_map *wm_next; /* Forward pointed to sd_w_map */ struct sd_w_map *wm_prev; /* Back pointer to sd_w_map */ kcondvar_t wm_avail; /* Sleep on this, while not available */ }; _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_w_map::wm_flags)) /* * This is the struct for the layer-private data area for the * mapblocksize layer. */ struct sd_mapblocksize_info { void *mbs_oprivate; /* saved value of xb_private */ struct buf *mbs_orig_bp; /* ptr to original bp */ struct sd_w_map *mbs_wmp; /* ptr to write-map struct for RMW */ ssize_t mbs_copy_offset; int mbs_layer_index; /* chain index for RMW */ }; _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_mapblocksize_info)) /* Thin-provisioning (UNMAP) flags for un_thin_flags. */ enum { SD_THIN_PROV_ENABLED = 1 << 0, /* UNMAP available */ SD_THIN_PROV_READ_ZEROS = 1 << 1 /* unmapped blk = zeros */ }; /* * Device limits as read from the Block Limits VPD page (0xB0). If the page * is unavailable, will be filled with some defaults. */ typedef struct sd_blk_limits_s { uint16_t lim_opt_xfer_len_gran; uint32_t lim_max_xfer_len; uint32_t lim_opt_xfer_len; uint32_t lim_max_pfetch_len; uint32_t lim_max_unmap_lba_cnt; uint32_t lim_max_unmap_descr_cnt; uint32_t lim_opt_unmap_gran; uint32_t lim_unmap_gran_align; uint64_t lim_max_write_same_len; } sd_blk_limits_t; typedef struct sd_unmapstats { kstat_named_t us_cmds; kstat_named_t us_errs; kstat_named_t us_extents; kstat_named_t us_bytes; } sd_unmapstats_t; /* * sd_lun: The main data structure for a scsi logical unit. * Stored as the softstate structure for each device. */ struct sd_lun { /* Back ptr to the SCSA scsi_device struct for this LUN */ struct scsi_device *un_sd; /* * Support for Auto-Request sense capability */ struct buf *un_rqs_bp; /* ptr to request sense bp */ struct scsi_pkt *un_rqs_pktp; /* ptr to request sense scsi_pkt */ int un_sense_isbusy; /* Busy flag for RQS buf */ /* * These specify the layering chains to use with this instance. These * are initialized according to the values in the sd_chain_index_map[] * array. See the description of sd_chain_index_map[] for details. */ int un_buf_chain_type; int un_uscsi_chain_type; int un_direct_chain_type; int un_priority_chain_type; /* Head & tail ptrs to the queue of bufs awaiting transport */ struct buf *un_waitq_headp; struct buf *un_waitq_tailp; /* Ptr to the buf currently being retried (NULL if none) */ struct buf *un_retry_bp; /* This tracks the last kstat update for the un_retry_bp buf */ void (*un_retry_statp)(kstat_io_t *); void *un_xbuf_attr; /* xbuf attribute struct */ /* System logical block size, in bytes. (defaults to DEV_BSIZE.) */ uint32_t un_sys_blocksize; /* The size of a logical block on the target, in bytes. */ uint32_t un_tgt_blocksize; /* The size of a physical block on the target, in bytes. */ uint32_t un_phy_blocksize; /* * The number of logical blocks on the target. This is adjusted * to be in terms of the block size specified by un_sys_blocksize * (ie, the system block size). */ uint64_t un_blockcount; /* * Various configuration data */ uchar_t un_ctype; /* Controller type */ char *un_node_type; /* minor node type */ uchar_t un_interconnect_type; /* Interconnect for underlying HBA */ uint_t un_notready_retry_count; /* Per disk notready retry count */ uint_t un_busy_retry_count; /* Per disk BUSY retry count */ uint_t un_retry_count; /* Per disk retry count */ uint_t un_victim_retry_count; /* Per disk victim retry count */ /* (4356701, 4367306) */ uint_t un_reset_retry_count; /* max io retries before issuing reset */ ushort_t un_reserve_release_time; /* reservation release timeout */ uchar_t un_reservation_type; /* SCSI-3 or SCSI-2 */ uint_t un_max_xfer_size; /* Maximum DMA transfer size */ int un_partial_dma_supported; int un_buf_breakup_supported; int un_mincdb; /* Smallest CDB to use */ int un_maxcdb; /* Largest CDB to use */ int un_max_hba_cdb; /* Largest CDB supported by HBA */ int un_status_len; int un_pkt_flags; /* * Note: un_uscsi_timeout is a "mirror" of un_cmd_timeout, adjusted * for ISCD(). Any updates to un_cmd_timeout MUST be reflected * in un_uscsi_timeout as well! */ ushort_t un_cmd_timeout; /* Timeout for completion */ ushort_t un_uscsi_timeout; /* Timeout for USCSI completion */ ushort_t un_busy_timeout; /* Timeout for busy retry */ /* * Info on current states, statuses, etc. (Updated frequently) */ uchar_t un_state; /* current state */ uchar_t un_last_state; /* last state */ uchar_t un_last_pkt_reason; /* used to suppress multiple msgs */ int un_tagflags; /* Pkt Flags for Tagged Queueing */ short un_resvd_status; /* Reservation Status */ /* * Control & status info for command throttling */ long un_ncmds_in_driver; /* number of cmds in driver */ short un_ncmds_in_transport; /* number of cmds in transport */ short un_throttle; /* max #cmds allowed in transport */ short un_saved_throttle; /* saved value of un_throttle */ short un_busy_throttle; /* saved un_throttle for BUSY */ short un_min_throttle; /* min value of un_throttle */ timeout_id_t un_reset_throttle_timeid; /* timeout(9F) handle */ /* * Multi-host (clustering) support */ opaque_t un_mhd_token; /* scsi watch request */ timeout_id_t un_resvd_timeid; /* for resvd recover */ /* Event callback resources (photon) */ ddi_eventcookie_t un_insert_event; /* insert event */ ddi_callback_id_t un_insert_cb_id; /* insert callback */ ddi_eventcookie_t un_remove_event; /* remove event */ ddi_callback_id_t un_remove_cb_id; /* remove callback */ uint_t un_start_stop_cycle_page; /* Saves start/stop */ /* cycle page */ timeout_id_t un_dcvb_timeid; /* dlyd cv broadcast */ /* * Data structures for open counts, partition info, VTOC, * stats, and other such bookkeeping info. */ union ocmap un_ocmap; /* open partition map */ struct kstat *un_pstats[NSDMAP]; /* partition statistics */ struct kstat *un_stats; /* disk statistics */ sd_unmapstats_t *un_unmapstats; /* UNMAP stats structure */ struct kstat *un_unmapstats_ks; /* UNMAP kstat */ kstat_t *un_errstats; /* for error statistics */ uint64_t un_exclopen; /* exclusive open bitmask */ ddi_devid_t un_devid; /* device id */ uint_t un_vpd_page_mask; /* Supported VPD pages */ /* * Bit fields for various configuration/state/status info. * Comments indicate the condition if the value of the * variable is TRUE (nonzero). */ uint32_t un_f_arq_enabled :1, /* Auto request sense is */ /* currently enabled */ un_f_blockcount_is_valid :1, /* The un_blockcount */ /* value is currently valid */ un_f_tgt_blocksize_is_valid :1, /* The un_tgt_blocksize */ /* value is currently valid */ un_f_allow_bus_device_reset :1, /* Driver may issue a BDR as */ /* a part of error recovery. */ un_f_is_fibre :1, /* The device supports fibre */ /* channel */ un_f_sync_cache_supported :1, /* sync cache cmd supported */ /* supported */ un_f_format_in_progress :1, /* The device is currently */ /* executing a FORMAT cmd. */ un_f_opt_queueing :1, /* Enable Command Queuing to */ /* Host Adapter */ un_f_opt_fab_devid :1, /* Disk has no valid/unique */ /* serial number. */ un_f_opt_disable_cache :1, /* Read/Write disk cache is */ /* disabled. */ un_f_cfg_is_atapi :1, /* This is an ATAPI device. */ un_f_write_cache_enabled :1, /* device return success on */ /* writes before transfer to */ /* physical media complete */ un_f_cfg_playmsf_bcd :1, /* Play Audio, BCD params. */ un_f_cfg_readsub_bcd :1, /* READ SUBCHANNEL BCD resp. */ un_f_cfg_read_toc_trk_bcd :1, /* track # is BCD */ un_f_cfg_read_toc_addr_bcd :1, /* address is BCD */ un_f_cfg_no_read_header :1, /* READ HEADER not supported */ un_f_cfg_read_cd_xd4 :1, /* READ CD opcode is 0xd4 */ un_f_mmc_cap :1, /* Device is MMC compliant */ un_f_mmc_writable_media :1, /* writable media in device */ un_f_dvdram_writable_device :1, /* DVDRAM device is writable */ un_f_cfg_cdda :1, /* READ CDDA supported */ un_f_cfg_tur_check :1, /* verify un_ncmds before tur */ un_f_use_adaptive_throttle :1, /* enable/disable adaptive */ /* throttling */ un_f_pm_is_enabled :1, /* PM is enabled on this */ /* instance */ un_f_watcht_stopped :1, /* media watch thread flag */ un_f_pkstats_enabled :1, /* Flag to determine if */ /* partition kstats are */ /* enabled. */ un_f_disksort_disabled :1, /* Flag to disable disksort */ un_f_lun_reset_enabled :1, /* Set if target supports */ /* SCSI Logical Unit Reset */ un_f_doorlock_supported :1, /* Device supports Doorlock */ un_f_start_stop_supported :1, /* device has motor */ un_f_reserved1 :1; uint32_t un_f_mboot_supported :1, /* mboot supported */ un_f_is_hotpluggable :1, /* hotpluggable */ un_f_has_removable_media :1, /* has removable media */ un_f_non_devbsize_supported :1, /* non-512 blocksize */ un_f_devid_supported :1, /* device ID supported */ un_f_eject_media_supported :1, /* media can be ejected */ un_f_chk_wp_open :1, /* check if write-protected */ /* when being opened */ un_f_descr_format_supported :1, /* support descriptor format */ /* for sense data */ un_f_check_start_stop :1, /* needs to check if */ /* START-STOP command is */ /* supported by hardware */ /* before issuing it */ un_f_monitor_media_state :1, /* need a watch thread to */ /* monitor device state */ un_f_attach_spinup :1, /* spin up once the */ /* device is attached */ un_f_log_sense_supported :1, /* support log sense */ un_f_pm_supported :1, /* support power-management */ un_f_wcc_inprog :1, /* write cache change in */ /* progress */ un_f_ejecting :1, /* media is ejecting */ un_f_suppress_cache_flush :1, /* supress flush on */ /* write cache */ un_f_sync_nv_supported :1, /* SYNC_NV */ /* bit is supported */ un_f_sync_cache_required :1, /* flag to check if */ /* SYNC CACHE needs to be */ /* sent in sdclose */ un_f_devid_transport_defined :1, /* devid defined by transport */ un_f_rmw_type :2, /* RMW type */ un_f_power_condition_disabled :1, /* power condition disabled */ /* through sd configuration */ un_f_power_condition_supported :1, /* support power condition */ /* field by hardware */ un_f_pm_log_sense_smart :1, /* log sense support SMART */ /* feature attribute */ un_f_is_solid_state :1, /* has solid state media */ un_f_is_rotational :1, /* spinning rust */ un_f_mmc_gesn_polling :1, /* use GET EVENT STATUS */ /* NOTIFICATION for polling */ un_f_enable_rmw :1, /* Force RMW in sd driver */ un_f_expnevent :1, un_f_cache_mode_changeable :1, /* can change cache mode */ un_f_reserved :2; /* Ptr to table of strings for ASC/ASCQ error message printing */ struct scsi_asq_key_strings *un_additional_codes; /* * Power Management support. * * un_pm_mutex protects, un_pm_count, un_pm_timeid, un_pm_busy, * un_pm_busy_cv, and un_pm_idle_timeid. * It's not required that SD_MUTEX be acquired before acquiring * un_pm_mutex, however if they must both be held * then acquire SD_MUTEX first. * * un_pm_count is used to indicate PM state as follows: * less than 0 the device is powered down, * transition from 0 ==> 1, mark the device as busy via DDI * transition from 1 ==> 0, mark the device as idle via DDI */ kmutex_t un_pm_mutex; int un_pm_count; /* indicates pm state */ timeout_id_t un_pm_timeid; /* timeout id for pm */ uint_t un_pm_busy; kcondvar_t un_pm_busy_cv; short un_power_level; /* Power Level */ uchar_t un_save_state; kcondvar_t un_suspend_cv; /* power management */ kcondvar_t un_disk_busy_cv; /* wait for IO completion */ /* Resources used for media change callback support */ kcondvar_t un_state_cv; /* Cond Var on mediastate */ enum dkio_state un_mediastate; /* current media state */ enum dkio_state un_specified_mediastate; /* expected state */ opaque_t un_swr_token; /* scsi_watch request token */ /* Non-512 byte block support */ struct kmem_cache *un_wm_cache; /* fast alloc in non-512 write case */ uint_t un_rmw_count; /* count of read-modify-writes */ struct sd_w_map *un_wm; /* head of sd_w_map chain */ uint64_t un_rmw_incre_count; /* count I/O */ timeout_id_t un_rmw_msg_timeid; /* for RMW message control */ /* Thin provisioning support (see SD_THIN_PROV_*) */ uint64_t un_thin_flags; /* Block limits (0xB0 VPD page) */ sd_blk_limits_t un_blk_lim; /* For timeout callback to issue a START STOP UNIT command */ timeout_id_t un_startstop_timeid; /* Timeout callback handle for SD_PATH_DIRECT_PRIORITY cmd restarts */ timeout_id_t un_direct_priority_timeid; /* TRAN_FATAL_ERROR count. Cleared by TRAN_ACCEPT from scsi_transport */ ulong_t un_tran_fatal_count; timeout_id_t un_retry_timeid; hrtime_t un_pm_idle_time; timeout_id_t un_pm_idle_timeid; /* * Support for failfast operation. */ struct buf *un_failfast_bp; struct buf *un_failfast_headp; struct buf *un_failfast_tailp; uint32_t un_failfast_state; /* Callback routine active counter */ short un_in_callback; kcondvar_t un_wcc_cv; /* synchronize changes to */ /* un_f_write_cache_enabled */ #ifdef SD_FAULT_INJECTION /* SD Fault Injection */ #define SD_FI_MAX_BUF 65536 #define SD_FI_MAX_ERROR 1024 kmutex_t un_fi_mutex; uint_t sd_fi_buf_len; char sd_fi_log[SD_FI_MAX_BUF]; struct sd_fi_pkt *sd_fi_fifo_pkt[SD_FI_MAX_ERROR]; struct sd_fi_xb *sd_fi_fifo_xb[SD_FI_MAX_ERROR]; struct sd_fi_un *sd_fi_fifo_un[SD_FI_MAX_ERROR]; struct sd_fi_arq *sd_fi_fifo_arq[SD_FI_MAX_ERROR]; uint_t sd_fi_fifo_start; uint_t sd_fi_fifo_end; uint_t sd_injection_mask; #endif cmlb_handle_t un_cmlbhandle; /* * Pointer to internal struct sd_fm_internal in which * will pass necessary information for FMA ereport posting. */ void *un_fm_private; }; #define SD_IS_VALID_LABEL(un) (cmlb_is_valid(un->un_cmlbhandle)) /* * Macros for conversions between "target" and "system" block sizes, and * for conversion between block counts and byte counts. As used here, * "system" block size refers to the block size used by the kernel/ * filesystem (this includes the disk label). The "target" block size * is the block size returned by the SCSI READ CAPACITY command. * * Note: These macros will round up to the next largest blocksize to accomodate * the number of blocks specified. */ /* Convert a byte count to a number of target blocks */ #define SD_BYTES2TGTBLOCKS(un, bytecount) \ ((bytecount + (un->un_tgt_blocksize - 1))/un->un_tgt_blocksize) /* Convert a byte count to a number of physical blocks */ #define SD_BYTES2PHYBLOCKS(un, bytecount) \ ((bytecount + (un->un_phy_blocksize - 1))/un->un_phy_blocksize) /* Convert a target block count to a number of bytes */ #define SD_TGTBLOCKS2BYTES(un, blockcount) \ (blockcount * (un)->un_tgt_blocksize) /* Convert a byte count to a number of system blocks */ #define SD_BYTES2SYSBLOCKS(bytecount) \ ((bytecount + (DEV_BSIZE - 1))/DEV_BSIZE) /* Convert a system block count to a number of bytes */ #define SD_SYSBLOCKS2BYTES(blockcount) \ (blockcount * DEV_BSIZE) /* * Calculate the number of bytes needed to hold the requested number of bytes * based upon the native target sector/block size */ #define SD_REQBYTES2TGTBYTES(un, bytecount) \ (SD_BYTES2TGTBLOCKS(un, bytecount) * (un)->un_tgt_blocksize) /* * Calculate the byte offset from the beginning of the target block * to the system block location. */ #define SD_TGTBYTEOFFSET(un, sysblk, tgtblk) \ (SD_SYSBLOCKS2BYTES(sysblk) - SD_TGTBLOCKS2BYTES(un, tgtblk)) /* * Calculate the target block location from the system block location */ #define SD_SYS2TGTBLOCK(un, blockcnt) \ (blockcnt / ((un)->un_tgt_blocksize / DEV_BSIZE)) /* * Calculate the target block location from the system block location */ #define SD_TGT2SYSBLOCK(un, blockcnt) \ (blockcnt * ((un)->un_tgt_blocksize / DEV_BSIZE)) /* * SD_DEFAULT_MAX_XFER_SIZE is the default value to bound the max xfer * for physio, for devices without tagged queuing enabled. * The default for devices with tagged queuing enabled is SD_MAX_XFER_SIZE */ #if defined(__i386) || defined(__amd64) #define SD_DEFAULT_MAX_XFER_SIZE (256 * 1024) #endif #define SD_MAX_XFER_SIZE (1024 * 1024) /* * Warlock annotations */ _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_lun)) _NOTE(READ_ONLY_DATA(sd_lun::un_sd)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_reservation_type)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_mincdb)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_maxcdb)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_max_hba_cdb)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_status_len)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_f_arq_enabled)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_ctype)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_cmlbhandle)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_fm_private)) _NOTE(SCHEME_PROTECTS_DATA("safe sharing", sd_lun::un_mhd_token sd_lun::un_state sd_lun::un_tagflags sd_lun::un_f_format_in_progress sd_lun::un_resvd_timeid sd_lun::un_reset_throttle_timeid sd_lun::un_startstop_timeid sd_lun::un_dcvb_timeid sd_lun::un_f_allow_bus_device_reset sd_lun::un_sys_blocksize sd_lun::un_tgt_blocksize sd_lun::un_phy_blocksize sd_lun::un_additional_codes)) _NOTE(SCHEME_PROTECTS_DATA("stable data", sd_lun::un_reserve_release_time sd_lun::un_max_xfer_size sd_lun::un_partial_dma_supported sd_lun::un_buf_breakup_supported sd_lun::un_f_is_fibre sd_lun::un_node_type sd_lun::un_buf_chain_type sd_lun::un_uscsi_chain_type sd_lun::un_direct_chain_type sd_lun::un_priority_chain_type sd_lun::un_xbuf_attr sd_lun::un_cmd_timeout sd_lun::un_pkt_flags)) _NOTE(SCHEME_PROTECTS_DATA("Unshared data", block_descriptor buf cdrom_subchnl cdrom_tocentry cdrom_tochdr cdrom_read dk_cinfo dk_devid dk_label dk_map dk_temperature mhioc_inkeys mhioc_inresvs mode_caching mode_header mode_speed scsi_cdb scsi_arq_status scsi_extended_sense scsi_inquiry scsi_pkt uio uscsi_cmd)) _NOTE(SCHEME_PROTECTS_DATA("stable data", scsi_device dk_cinfo)) _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", scsi_status scsi_cdb)) _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_pm_mutex, sd_lun::un_pm_count sd_lun::un_pm_timeid sd_lun::un_pm_busy sd_lun::un_pm_busy_cv sd_lun::un_pm_idle_timeid)) #ifdef SD_FAULT_INJECTION _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_fi_mutex, sd_lun::sd_fi_buf_len sd_lun::sd_fi_log)) #endif /* _NOTE(LOCK_ORDER(sd_lun::un_sd.sd_mutex sd_lun::un_pm_mutex)) */ /* * Referenced for frequently-accessed members of the unit structure */ #define SD_SCSI_DEVP(un) ((un)->un_sd) #define SD_DEVINFO(un) ((un)->un_sd->sd_dev) #define SD_INQUIRY(un) ((un)->un_sd->sd_inq) #define SD_MUTEX(un) (&((un)->un_sd->sd_mutex)) #define SD_ADDRESS(un) (&((un)->un_sd->sd_address)) #define SD_GET_DEV(un) (sd_make_device(SD_DEVINFO(un))) #define SD_FM_LOG(un) (((struct sd_fm_internal *)\ ((un)->un_fm_private))->fm_log_level) /* * Values for un_ctype */ #define CTYPE_CDROM 0 #define CTYPE_MD21 1 /* Obsolete! */ #define CTYPE_CCS 2 #define CTYPE_ROD 3 #define CTYPE_PXRE 4 /* Obsolete! */ #define ISCD(un) ((un)->un_ctype == CTYPE_CDROM) #define ISROD(un) ((un)->un_ctype == CTYPE_ROD) #define ISPXRE(un) ((un)->un_ctype == CTYPE_PXRE) /* * Macros for non-512 byte writes to removable devices. */ #define NOT_DEVBSIZE(un) \ ((un)->un_tgt_blocksize != (un)->un_sys_blocksize) /* * Check that a write map, used for locking lba ranges for writes, is in * the linked list. */ #define ONLIST(un, wmp) \ (((un)->un_wm == (wmp)) || ((wmp)->wm_prev != NULL)) /* * Free a write map which is on list. Basically make sure that nobody is * sleeping on it before freeing it. */ #define FREE_ONLIST_WMAP(un, wmp) \ if (!(wmp)->wm_wanted_count) { \ sd_free_inlist_wmap((un), (wmp)); \ (wmp) = NULL; \ } #define CHK_N_FREEWMP(un, wmp) \ if (!ONLIST((un), (wmp))) { \ kmem_cache_free((un)->un_wm_cache, (wmp)); \ (wmp) = NULL; \ } else { \ FREE_ONLIST_WMAP((un), (wmp)); \ } /* * Values used to in wm_flags field of sd_w_map. */ #define SD_WTYPE_SIMPLE 0x001 /* Write aligned at blksize boundary */ #define SD_WTYPE_RMW 0x002 /* Write requires read-modify-write */ #define SD_WM_BUSY 0x100 /* write-map is busy */ /* * RMW type */ #define SD_RMW_TYPE_DEFAULT 0 /* do rmw with warning message */ #define SD_RMW_TYPE_NO_WARNING 1 /* do rmw without warning message */ #define SD_RMW_TYPE_RETURN_ERROR 2 /* rmw disabled */ /* Device error kstats */ struct sd_errstats { struct kstat_named sd_softerrs; struct kstat_named sd_harderrs; struct kstat_named sd_transerrs; struct kstat_named sd_vid; struct kstat_named sd_pid; struct kstat_named sd_revision; struct kstat_named sd_serial; struct kstat_named sd_capacity; struct kstat_named sd_rq_media_err; struct kstat_named sd_rq_ntrdy_err; struct kstat_named sd_rq_nodev_err; struct kstat_named sd_rq_recov_err; struct kstat_named sd_rq_illrq_err; struct kstat_named sd_rq_pfa_err; }; /* * Structs and definitions for SCSI-3 Persistent Reservation */ typedef struct sd_prin_readkeys { uint32_t generation; uint32_t len; mhioc_resv_key_t *keylist; } sd_prin_readkeys_t; typedef struct sd_readresv_desc { mhioc_resv_key_t resvkey; uint32_t scope_specific_addr; uint8_t reserved_1; #if defined(_BIT_FIELDS_LTOH) uint8_t type:4, scope:4; #elif defined(_BIT_FIELDS_HTOL) uint8_t scope:4, type:4; #else #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined #endif /* _BIT_FIELDS_LTOH */ uint8_t reserved_2; uint8_t reserved_3; } sd_readresv_desc_t; typedef struct sd_prin_readresv { uint32_t generation; uint32_t len; sd_readresv_desc_t *readresv_desc; } sd_prin_readresv_t; typedef struct sd_prout { uchar_t res_key[MHIOC_RESV_KEY_SIZE]; uchar_t service_key[MHIOC_RESV_KEY_SIZE]; uint32_t scope_address; #if defined(_BIT_FIELDS_LTOH) uchar_t aptpl:1, reserved:7; #elif defined(_BIT_FIELDS_HTOL) uchar_t reserved:7, aptpl:1; #else #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined #endif /* _BIT_FIELDS_LTOH */ uchar_t reserved_1; uint16_t ext_len; } sd_prout_t; #define SD_READ_KEYS 0x00 #define SD_READ_RESV 0x01 #define SD_SCSI3_REGISTER 0x00 #define SD_SCSI3_RESERVE 0x01 #define SD_SCSI3_RELEASE 0x02 #define SD_SCSI3_CLEAR 0x03 #define SD_SCSI3_PREEMPTANDABORT 0x05 #define SD_SCSI3_REGISTERANDIGNOREKEY 0x06 /* * Note: The default init of un_reservation_type is to the value of '0' * (from the ddi_softs_state_zalloc) which means it is defaulting to SCSI-3 * reservation type. This is ok because during attach we use a SCSI-3 * PRIORITY RESERVE IN command to determine the reservation type, and set * un_reservation_type for all cases. */ #define SD_SCSI3_RESERVATION 0x0 #define SD_SCSI2_RESERVATION 0x1 #define SCSI3_RESV_DESC_LEN 16 /* * Reservation Status's */ #define SD_RELEASE 0x0000 #define SD_RESERVE 0x0001 #define SD_TKOWN 0x0002 #define SD_LOST_RESERVE 0x0004 #define SD_FAILFAST 0x0080 #define SD_WANT_RESERVE 0x0100 #define SD_RESERVATION_CONFLICT 0x0200 #define SD_PRIORITY_RESERVE 0x0400 #define SD_TARGET_IS_UNRESERVED 0 #define SD_TARGET_IS_RESERVED 1 /* * Save page in mode_select */ #define SD_DONTSAVE_PAGE 0 #define SD_SAVE_PAGE 1 /* * Delay before reclaiming reservation is 6 seconds, in units of micro seconds */ #define SD_REINSTATE_RESV_DELAY 6000000 #define SD_MODE2_BLKSIZE 2336 /* bytes */ /* * Solid State Drive default sector size */ #define SSD_SECSIZE 4096 /* * Resource type definitions for multi host control operations. Specifically, * queue and request definitions for reservation request handling between the * scsi facility callback function (sd_mhd_watch_cb) and the reservation * reclaim thread (sd_resv_reclaim_thread) */ struct sd_thr_request { dev_t dev; struct sd_thr_request *sd_thr_req_next; }; struct sd_resv_reclaim_request { kthread_t *srq_resv_reclaim_thread; struct sd_thr_request *srq_thr_req_head; struct sd_thr_request *srq_thr_cur_req; kcondvar_t srq_inprocess_cv; kmutex_t srq_resv_reclaim_mutex; kcondvar_t srq_resv_reclaim_cv; }; _NOTE(MUTEX_PROTECTS_DATA(sd_resv_reclaim_request::srq_resv_reclaim_mutex, sd_resv_reclaim_request)) _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_thr_request)) _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_prout)) /* * Driver Logging Components * * These components cover the functional entry points and areas of the * driver. A component value is used for the entry point and utility * functions used by the entry point. The common component value is used * in those routines that are called from many areas of the driver. * * This can be done by adding the following two lines to /etc/system: * set sd:sd_component_mask=0x00080000 * set sd:sd_level_mask=0x00000008 */ #define SD_LOG_PROBE 0x00000001 #define SD_LOG_ATTACH_DETACH 0x00000002 #define SD_LOG_OPEN_CLOSE 0x00000004 #define SD_LOG_READ_WRITE 0x00000008 #define SD_LOG_POWER 0x00000010 #define SD_LOG_IOCTL 0x00000020 #define SD_LOG_IOCTL_MHD 0x00000040 #define SD_LOG_IOCTL_RMMEDIA 0x00000080 #define SD_LOG_IOCTL_DKIO 0x00000100 #define SD_LOG_IO 0x00000200 #define SD_LOG_IO_CORE 0x00000400 #define SD_LOG_IO_DISKSORT 0x00000800 #define SD_LOG_IO_PARTITION 0x00001000 #define SD_LOG_IO_RMMEDIA 0x00002000 #define SD_LOG_IO_CHKSUM 0x00004000 #define SD_LOG_IO_SDIOCTL 0x00008000 #define SD_LOG_IO_PM 0x00010000 #define SD_LOG_ERROR 0x00020000 #define SD_LOG_DUMP 0x00040000 #define SD_LOG_COMMON 0x00080000 #define SD_LOG_SDTEST 0x00100000 #define SD_LOG_IOERR 0x00200000 #define SD_LOG_IO_FAILFAST 0x00400000 /* Driver Logging Levels */ #define SD_LOGMASK_ERROR 0x00000001 #define SD_LOGMASK_DUMP_MEM 0x00000002 #define SD_LOGMASK_INFO 0x00000004 #define SD_LOGMASK_TRACE 0x00000008 #define SD_LOGMASK_DIAG 0x00000010 /* Driver Logging Formats */ #define SD_LOG_HEX 0x00000001 #define SD_LOG_CHAR 0x00000002 /* * The following macros should be used to log driver debug information * only. The output is filtered according to the component and level mask * values. Non-debug information, such as driver warnings intended for * the user should be logged via the scsi_log facility to ensure that * they are not filtered. */ #if DEBUG || lint #define SDDEBUG /* SD_ERROR is called to log driver error conditions */ #define SD_ERROR sd_log_err /* SD_TRACE is called to log driver trace conditions (function entry/exit) */ #define SD_TRACE sd_log_trace /* SD_INFO is called to log general purpose driver info */ #define SD_INFO sd_log_info /* SD_DUMP_MEMORY is called to dump a data buffer to the log */ #define SD_DUMP_MEMORY sd_dump_memory /* RESET/ABORTS testing ioctls */ #define DKIOCRESET (DKIOC|14) #define DKIOCABORT (DKIOC|15) #ifdef SD_FAULT_INJECTION /* * sd_fi_pkt replicates the variables that are exposed through pkt * * sd_fi_xb replicates the variables that are exposed through xb * * sd_fi_un replicates the variables that are exposed through un * * sd_fi_arq replicates the variables that are * exposed for Auto-Reqeust-Sense * */ struct sd_fi_pkt { uint_t pkt_flags; /* flags */ uchar_t pkt_scbp; /* pointer to status block */ uchar_t pkt_cdbp; /* pointer to command block */ uint_t pkt_state; /* state of command */ uint_t pkt_statistics; /* statistics */ uchar_t pkt_reason; /* reason completion called */ }; struct sd_fi_xb { daddr_t xb_blkno; ssize_t xb_dma_resid; short xb_retry_count; short xb_victim_retry_count; uchar_t xb_sense_status; uint_t xb_sense_state; ssize_t xb_sense_resid; uchar_t xb_sense_data[SENSE_LENGTH]; uchar_t es_code; uchar_t es_key; uchar_t es_add_code; uchar_t es_qual_code; }; struct sd_fi_un { uchar_t inq_rmb; uchar_t un_ctype; uint_t un_notready_retry_count; uint_t un_reset_retry_count; uchar_t un_reservation_type; ushort_t un_notrdy_delay; short un_resvd_status; uint32_t un_f_arq_enabled, un_f_allow_bus_device_reset, un_f_opt_queueing; timeout_id_t un_restart_timeid; }; struct sd_fi_arq { struct scsi_status sts_status; struct scsi_status sts_rqpkt_status; uchar_t sts_rqpkt_reason; uchar_t sts_rqpkt_resid; uint_t sts_rqpkt_state; uint_t sts_rqpkt_statistics; struct scsi_extended_sense sts_sensedata; }; /* * Conditional set def */ #define SD_CONDSET(a, b, c, d) \ { \ a->c = ((fi_ ## b)->c); \ SD_INFO(SD_LOG_IOERR, un, \ "sd_fault_injection:" \ "setting %s to %d\n", \ d, ((fi_ ## b)->c)); \ } /* SD FaultInjection ioctls */ #define SDIOC ('T'<<8) #define SDIOCSTART (SDIOC|1) #define SDIOCSTOP (SDIOC|2) #define SDIOCINSERTPKT (SDIOC|3) #define SDIOCINSERTXB (SDIOC|4) #define SDIOCINSERTUN (SDIOC|5) #define SDIOCINSERTARQ (SDIOC|6) #define SDIOCPUSH (SDIOC|7) #define SDIOCRETRIEVE (SDIOC|8) #define SDIOCRUN (SDIOC|9) #endif #else #undef SDDEBUG #define SD_ERROR(...) (void)(0) #define SD_TRACE(...) (void)(0) #define SD_INFO(...) (void)(0) #define SD_DUMP_MEMORY(...) (void)(0) #endif /* * Miscellaneous macros */ #define SD_USECTOHZ(x) (drv_usectohz((x)*1000000)) #define SD_GET_PKT_STATUS(pktp) ((*(pktp)->pkt_scbp) & STATUS_MASK) #define SD_BIOERROR(bp, errcode) \ if ((bp)->b_resid == 0) { \ (bp)->b_resid = (bp)->b_bcount; \ } \ if ((bp)->b_error == 0) { \ bioerror(bp, errcode); \ } \ (bp)->b_flags |= B_ERROR; #define SD_FILL_SCSI1_LUN_CDB(lunp, cdbp) \ if (! (lunp)->un_f_is_fibre && \ SD_INQUIRY((lunp))->inq_ansi == 0x01) { \ int _lun = ddi_prop_get_int(DDI_DEV_T_ANY, \ SD_DEVINFO((lunp)), DDI_PROP_DONTPASS, \ SCSI_ADDR_PROP_LUN, 0); \ if (_lun > 0) { \ (cdbp)->scc_lun = _lun; \ } \ } #define SD_FILL_SCSI1_LUN(lunp, pktp) \ SD_FILL_SCSI1_LUN_CDB((lunp), (union scsi_cdb *)(pktp)->pkt_cdbp) /* * Disk driver states */ #define SD_STATE_NORMAL 0 #define SD_STATE_OFFLINE 1 #define SD_STATE_RWAIT 2 #define SD_STATE_DUMPING 3 #define SD_STATE_SUSPENDED 4 #define SD_STATE_PM_CHANGING 5 /* * The table is to be interpreted as follows: The rows lists all the states * and each column is a state that a state in each row *can* reach. The entries * in the table list the event that cause that transition to take place. * For e.g.: To go from state RWAIT to SUSPENDED, event (d)-- which is the * invocation of DDI_SUSPEND-- has to take place. Note the same event could * cause the transition from one state to two different states. e.g., from * state SUSPENDED, when we get a DDI_RESUME, we just go back to the *last * state* whatever that might be. (NORMAL or OFFLINE). * * * State Transition Table: * * NORMAL OFFLINE RWAIT DUMPING SUSPENDED PM_SUSPENDED * * NORMAL - (a) (b) (c) (d) (h) * * OFFLINE (e) - (e) (c) (d) NP * * RWAIT (f) NP - (c) (d) (h) * * DUMPING NP NP NP - NP NP * * SUSPENDED (g) (g) (b) NP* - NP * * PM_SUSPENDED (i) NP (b) (c) (d) - * * NP : Not Possible. * (a): Disk does not respond. * (b): Packet Allocation Fails * (c): Panic - Crash dump * (d): DDI_SUSPEND is called. * (e): Disk has a successful I/O completed. * (f): sdrunout() calls sdstart() which sets it NORMAL * (g): DDI_RESUME is called. * (h): Device threshold exceeded pm framework called power * entry point or pm_lower_power called in detach. * (i): When new I/O come in. * * : When suspended, we dont change state during panic dump */ #define SD_MAX_THROTTLE 256 #define SD_MIN_THROTTLE 8 /* * Lowest valid max. and min. throttle value. * This is set to 2 because if un_min_throttle were allowed to be 1 then * un_throttle would never get set to a value less than un_min_throttle * (0 is a special case) which means it would never get set back to * un_saved_throttle in routine sd_restore_throttle(). */ #define SD_LOWEST_VALID_THROTTLE 2 /* Return codes for sd_send_polled_cmd() and sd_scsi_poll() */ #define SD_CMD_SUCCESS 0 #define SD_CMD_FAILURE 1 #define SD_CMD_RESERVATION_CONFLICT 2 #define SD_CMD_ILLEGAL_REQUEST 3 #define SD_CMD_BECOMING_READY 4 #define SD_CMD_CHECK_CONDITION 5 /* Return codes for sd_ready_and_valid */ #define SD_READY_VALID 0 #define SD_NOT_READY_VALID 1 #define SD_RESERVED_BY_OTHERS 2 #define SD_PATH_STANDARD 0 #define SD_PATH_DIRECT 1 #define SD_PATH_DIRECT_PRIORITY 2 #define SD_UNIT_ATTENTION_RETRY 40 /* * The following three are bit flags passed into sd_send_scsi_TEST_UNIT_READY * to control specific behavior. */ #define SD_CHECK_FOR_MEDIA 0x01 #define SD_DONT_RETRY_TUR 0x02 #define SD_BYPASS_PM 0x04 #define SD_GROUP0_MAX_ADDRESS (0x1fffff) #define SD_GROUP0_MAXCOUNT (0xff) #define SD_GROUP1_MAX_ADDRESS (0xffffffff) #define SD_GROUP1_MAXCOUNT (0xffff) #define SD_BECOMING_ACTIVE 0x01 #define SD_REMOVAL_ALLOW 0 #define SD_REMOVAL_PREVENT 1 #define SD_GET_PKT_OPCODE(pktp) \ (((union scsi_cdb *)((pktp)->pkt_cdbp))->cdb_un.cmd) #define SD_NO_RETRY_ISSUED 0 #define SD_DELAYED_RETRY_ISSUED 1 #define SD_IMMEDIATE_RETRY_ISSUED 2 #if defined(__i386) || defined(__amd64) #define SD_UPDATE_B_RESID(bp, pktp) \ ((bp)->b_resid += (pktp)->pkt_resid + (SD_GET_XBUF(bp)->xb_dma_resid)) #else #define SD_UPDATE_B_RESID(bp, pktp) \ ((bp)->b_resid += (pktp)->pkt_resid) #endif #define SD_RETRIES_MASK 0x00FF #define SD_RETRIES_NOCHECK 0x0000 #define SD_RETRIES_STANDARD 0x0001 #define SD_RETRIES_VICTIM 0x0002 #define SD_RETRIES_BUSY 0x0003 #define SD_RETRIES_UA 0x0004 #define SD_RETRIES_ISOLATE 0x8000 #define SD_RETRIES_FAILFAST 0x4000 #define SD_UPDATE_RESERVATION_STATUS(un, pktp) \ if (((pktp)->pkt_reason == CMD_RESET) || \ ((pktp)->pkt_statistics & (STAT_BUS_RESET | STAT_DEV_RESET))) { \ if (((un)->un_resvd_status & SD_RESERVE) == SD_RESERVE) { \ (un)->un_resvd_status |= \ (SD_LOST_RESERVE | SD_WANT_RESERVE); \ } \ } #define SD_SENSE_DATA_IS_VALID 0 #define SD_SENSE_DATA_IS_INVALID 1 /* * Delay (in seconds) before restoring the "throttle limit" back * to its maximum value. * 60 seconds is what we will wait for to reset the * throttle back to it SD_MAX_THROTTLE for TRAN_BUSY. * 10 seconds for STATUS_QFULL because QFULL will incrementally * increase the throttle limit until it reaches max value. */ #define SD_RESET_THROTTLE_TIMEOUT 60 #define SD_QFULL_THROTTLE_TIMEOUT 10 #define SD_THROTTLE_TRAN_BUSY 0 #define SD_THROTTLE_QFULL 1 #define SD_THROTTLE_RESET_INTERVAL \ (sd_reset_throttle_timeout * drv_usectohz(1000000)) #define SD_QFULL_THROTTLE_RESET_INTERVAL \ (sd_qfull_throttle_timeout * drv_usectohz(1000000)) /* * xb_pkt_flags defines * SD_XB_DMA_FREED indicates the scsi_pkt has had its DMA resources freed * by a call to scsi_dmafree(9F). The resources must be reallocated before * before a call to scsi_transport can be made again. * SD_XB_USCSICMD indicates the scsi request is a uscsi request * SD_XB_INITPKT_MASK: since this field is also used to store flags for * a scsi_init_pkt(9F) call, we need a mask to make sure that we don't * pass any unintended bits to scsi_init_pkt(9F) (ugly hack). */ #define SD_XB_DMA_FREED 0x20000000 #define SD_XB_USCSICMD 0x40000000 #define SD_XB_INITPKT_MASK (PKT_CONSISTENT | PKT_DMA_PARTIAL) /* * Extension for the buf(9s) struct that we receive from a higher * layer. Located by b_private in the buf(9S). (The previous contents * of b_private are saved & restored before calling biodone(9F).) */ struct sd_xbuf { struct sd_lun *xb_un; /* Ptr to associated sd_lun */ struct scsi_pkt *xb_pktp; /* Ptr to associated scsi_pkt */ /* * xb_pktinfo points to any optional data that may be needed * by the initpkt and/or destroypkt functions. Typical * use might be to point to a struct uscsi_cmd. */ void *xb_pktinfo; /* * Layer-private data area. This may be used by any layer to store * layer-specific data on a per-IO basis. Typical usage is for an * iostart routine to save some info here for later use by its * partner iodone routine. This area may be used to hold data or * a pointer to a data block that is allocated/freed by the layer's * iostart/iodone routines. Allocation & management policy for the * layer-private area is defined & implemented by each specific * layer as required. * * IMPORTANT: Since a higher layer may depend on the value in the * xb_private field, each layer must ensure that it returns the * buf/xbuf to the next higher layer (via SD_NEXT_IODONE()) with * the SAME VALUE in xb_private as when the buf/xbuf was first * received by the layer's iostart routine. Typically this is done * by the iostart routine saving the contents of xb_private into * a place in the layer-private data area, and the iodone routine * restoring the value of xb_private before deallocating the * layer-private data block and calling SD_NEXT_IODONE(). Of course, * if a layer never modifies xb_private in a buf/xbuf from a higher * layer, there will be no need to restore the value. * * Note that in the case where a layer _creates_ a buf/xbuf (such as * by calling sd_shadow_buf_alloc()) to pass to a lower layer, it is * not necessary to preserve the contents of xb_private as there is * no higher layer dependency on the value of xb_private. Such a * buf/xbuf must be deallocated by the layer that allocated it and * must *NEVER* be passed up to a higher layer. */ void *xb_private; /* Layer-private data block */ /* * We do not use the b_blkno provided in the buf(9S), as we need to * make adjustments to it in the driver, but it is not a field that * the driver owns or is free to modify. */ daddr_t xb_blkno; /* Absolute block # on target */ uint64_t xb_ena; /* ena for a specific SCSI command */ int xb_chain_iostart; /* iostart side index */ int xb_chain_iodone; /* iodone side index */ int xb_pkt_flags; /* Flags for scsi_init_pkt() */ ssize_t xb_dma_resid; short xb_retry_count; short xb_victim_retry_count; short xb_ua_retry_count; /* unit_attention retry counter */ short xb_nr_retry_count; /* not ready retry counter */ /* * Various status and data used when a RQS command is run on * the behalf of this command. */ struct buf *xb_sense_bp; /* back ptr to buf, for RQS */ uint_t xb_sense_state; /* scsi_pkt state of RQS command */ ssize_t xb_sense_resid; /* residual of RQS command */ uchar_t xb_sense_status; /* scsi status byte of RQS command */ uchar_t xb_sense_data[SENSE_LENGTH]; /* sense data from RQS cmd */ /* * Extra sense larger than SENSE_LENGTH will be allocated * right after xb_sense_data[SENSE_LENGTH]. Please do not * add any new field after it. */ }; _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", sd_xbuf)) #define SD_PKT_ALLOC_SUCCESS 0 #define SD_PKT_ALLOC_FAILURE 1 #define SD_PKT_ALLOC_FAILURE_NO_DMA 2 #define SD_PKT_ALLOC_FAILURE_PKT_TOO_SMALL 3 #define SD_PKT_ALLOC_FAILURE_CDB_TOO_SMALL 4 #define SD_GET_XBUF(bp) ((struct sd_xbuf *)((bp)->b_private)) #define SD_GET_UN(bp) ((SD_GET_XBUF(bp))->xb_un) #define SD_GET_PKTP(bp) ((SD_GET_XBUF(bp))->xb_pktp) #define SD_GET_BLKNO(bp) ((SD_GET_XBUF(bp))->xb_blkno) /* * Special-purpose struct for sd_send_scsi_cmd() to pass command-specific * data through the layering chains to sd_initpkt_for_uscsi(). */ struct sd_uscsi_info { int ui_flags; struct uscsi_cmd *ui_cmdp; /* * ui_dkc is used by sd_send_scsi_SYNCHRONIZE_CACHE() to allow * for async completion notification. */ struct dk_callback ui_dkc; /* * The following fields are to be used for FMA ereport generation. */ uchar_t ui_pkt_reason; uint32_t ui_pkt_state; uint32_t ui_pkt_statistics; uint64_t ui_lba; uint64_t ui_ena; }; _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_uscsi_info)) /* * This structure is used to issue 'internal' command sequences from the * driver's attach(9E)/open(9E)/etc entry points. It provides a common context * for issuing command sequences, with the ability to issue a command * and provide expected/unexpected assessment of results at any code * level within the sd_ssc_t scope and preserve the information needed * produce telemetry for the problem, when needed, from a single * outer-most-scope point. * * The sd_ssc_t abstraction should result in well-structured code where * the basic code structure is not jeprodized by future localized improvement. * * o Scope for a sequence of commands. * o Within a scoped sequence of commands, provides a single top-level * location for initiating telementry generation from captured data. * o Provide a common place to capture command execution data and driver * assessment information for delivery to telemetry generation point. * o Mechanism to get device-as-detector (dad) and transport telemetry * information from interrupt context (sdintr) back to the internal * command 'driver-assessment' code. * o Ability to record assessment, and return information back to * top-level telemetry generation code when an unexpected condition * occurs. * o For code paths were an command itself was successful but * the data returned looks suspect, the ability to record * 'unexpected data' conditions. * o Record assessment of issuing the command and interpreting * the returned data for consumption by top-level ereport telemetry * generation code. * o All data required to produce telemetry available off single data * structure. */ typedef struct { struct sd_lun *ssc_un; struct uscsi_cmd *ssc_uscsi_cmd; struct sd_uscsi_info *ssc_uscsi_info; int ssc_flags; /* Bits for flags */ char ssc_info[1024]; /* Buffer holding for info */ } sd_ssc_t; _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_ssc_t)) /* * This struct switch different 'type-of-assessment' * as an input argument for sd_ssc_assessment * * * in sd_send_scsi_XXX or upper-level * * - SD_FMT_IGNORE * when send uscsi command failed, and * the following code check sense data properly. * we use 'ignore' to let sd_ssc_assessment * trust current and do not do additional * checking for the uscsi command. * * - SD_FMT_IGNORE_COMPROMISE * when send uscsi command failed, and * the code does not check sense data or we don't * think the checking is 100% coverage. We mark it * as 'compromise' to indicate that we need to * enhance current code in the future. * * - SD_FMT_STATUS_CHECK * when send uscsi command failed and cause sd entries * failed finally, we need to send out real reason against * status of uscsi command no matter if there is sense back * or not. * * - SD_FMT_STANDARD * when send uscsi command succeeded, and * the code does not check sense data, we need to check * it to make sure there is no 'fault'. */ enum sd_type_assessment { SD_FMT_IGNORE = 0, SD_FMT_IGNORE_COMPROMISE, SD_FMT_STATUS_CHECK, SD_FMT_STANDARD }; /* * The following declaration are used as hints of severities when posting * SCSI FMA ereport. * - SD_FM_DRV_FATAL * When posting ereport with SD_FM_DRV_FATAL, the payload * "driver-assessment" will be "fail" or "fatal" depending on the * sense-key value. If driver-assessment is "fail", it will be * propagated to an upset, otherwise, a fault will be propagated. * - SD_FM_DRV_RETRY * When posting ereport with SD_FM_DRV_RETRY, the payload * "driver-assessment" will be "retry", and it will be propagated to an * upset. * - SD_FM_DRV_RECOVERY * When posting ereport with SD_FM_DRV_RECOVERY, the payload * "driver-assessment" will be "recovered", and it will be propagated to * an upset. * - SD_FM_DRV_NOTICE * When posting ereport with SD_FM_DRV_NOTICE, the payload * "driver-assessment" will be "info", and it will be propagated to an * upset. */ enum sd_driver_assessment { SD_FM_DRV_FATAL = 0, SD_FM_DRV_RETRY, SD_FM_DRV_RECOVERY, SD_FM_DRV_NOTICE }; /* * The following structure is used as a buffer when posting SCSI FMA * ereport for raw i/o. It will be allocated per sd_lun when entering * sd_unit_attach and will be deallocated when entering sd_unit_detach. */ struct sd_fm_internal { sd_ssc_t fm_ssc; struct uscsi_cmd fm_ucmd; struct sd_uscsi_info fm_uinfo; int fm_log_level; }; /* * Bits in ssc_flags * sd_ssc_init will mark ssc_flags = SSC_FLAGS_UNKNOWN * sd_ssc_send will mark ssc_flags = SSC_FLAGS_CMD_ISSUED & * SSC_FLAGS_NEED_ASSESSMENT * sd_ssc_assessment will clear SSC_FLAGS_CMD_ISSUED and * SSC_FLAGS_NEED_ASSESSMENT bits of ssc_flags. * SSC_FLAGS_CMD_ISSUED is to indicate whether the SCSI command has been * sent out. * SSC_FLAGS_NEED_ASSESSMENT is to guarantee we will not miss any * assessment point. */ #define SSC_FLAGS_UNKNOWN 0x00000000 #define SSC_FLAGS_CMD_ISSUED 0x00000001 #define SSC_FLAGS_NEED_ASSESSMENT 0x00000002 #define SSC_FLAGS_TRAN_ABORT 0x00000004 /* * The following bits in ssc_flags are for detecting unexpected data. */ #define SSC_FLAGS_INVALID_PKT_REASON 0x00000010 #define SSC_FLAGS_INVALID_STATUS 0x00000020 #define SSC_FLAGS_INVALID_SENSE 0x00000040 #define SSC_FLAGS_INVALID_DATA 0x00000080 /* * The following are the values available for sd_fm_internal::fm_log_level. * SD_FM_LOG_NSUP The driver will log things in traditional way as if * the SCSI FMA feature is unavailable. * SD_FM_LOG_SILENT The driver will not print out syslog for FMA error * telemetry, all the error telemetries will go into * FMA error log. * SD_FM_LOG_EREPORT The driver will both print the FMA error telemetry * and post the error report, but the traditional * syslog for error telemetry will be suppressed. */ #define SD_FM_LOG_NSUP 0 #define SD_FM_LOG_SILENT 1 #define SD_FM_LOG_EREPORT 2 /* * Macros and definitions for driver kstats and errstats * * Some third-party layered drivers (they know who they are) do not maintain * their open/close counts correctly which causes our kstat reporting to get * messed up & results in panics. These macros will update the driver kstats * only if the counts are valid. */ #define SD_UPDATE_COMMON_KSTATS(kstat_function, kstatp) \ if ((kstat_function) == kstat_runq_exit || \ ((kstat_function) == kstat_runq_back_to_waitq)) { \ if (((kstat_io_t *)(kstatp))->rcnt) { \ kstat_function((kstatp)); \ } else { \ cmn_err(CE_WARN, \ "kstat rcnt == 0 when exiting runq, please check\n"); \ } \ } else if ((kstat_function) == kstat_waitq_exit || \ ((kstat_function) == kstat_waitq_to_runq)) { \ if (((kstat_io_t *)(kstatp))->wcnt) { \ kstat_function(kstatp); \ } else { \ cmn_err(CE_WARN, \ "kstat wcnt == 0 when exiting waitq, please check\n"); \ } \ } else { \ kstat_function(kstatp); \ } #define SD_UPDATE_KSTATS(un, kstat_function, bp) \ ASSERT(SD_GET_XBUF(bp) != NULL); \ if (SD_IS_BUFIO(SD_GET_XBUF(bp))) { \ struct kstat *pksp = \ (un)->un_pstats[SDPART((bp)->b_edev)]; \ ASSERT(mutex_owned(SD_MUTEX(un))); \ if ((un)->un_stats != NULL) { \ kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \ SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \ } \ if (pksp != NULL) { \ kstat_io_t *kip = KSTAT_IO_PTR(pksp); \ SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \ } \ } #define SD_UPDATE_ERRSTATS(un, x) \ if ((un)->un_errstats != NULL) { \ struct sd_errstats *stp; \ ASSERT(mutex_owned(SD_MUTEX(un))); \ stp = (struct sd_errstats *)(un)->un_errstats->ks_data; \ stp->x.value.ui32++; \ } #define SD_UPDATE_RDWR_STATS(un, bp) \ if ((un)->un_stats != NULL) { \ kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \ size_t n_done = (bp)->b_bcount - (bp)->b_resid; \ if ((bp)->b_flags & B_READ) { \ kip->reads++; \ kip->nread += n_done; \ } else { \ kip->writes++; \ kip->nwritten += n_done; \ } \ } #define SD_UPDATE_PARTITION_STATS(un, bp) \ { \ struct kstat *pksp = (un)->un_pstats[SDPART((bp)->b_edev)]; \ if (pksp != NULL) { \ kstat_io_t *kip = KSTAT_IO_PTR(pksp); \ size_t n_done = (bp)->b_bcount - (bp)->b_resid; \ if ((bp)->b_flags & B_READ) { \ kip->reads++; \ kip->nread += n_done; \ } else { \ kip->writes++; \ kip->nwritten += n_done; \ } \ } \ } #endif /* defined(_KERNEL) || defined(_KMEMUSER) */ /* * 60 seconds is a *very* reasonable amount of time for most slow CD * operations. */ #define SD_IO_TIME 60 /* * 2 hours is an excessively reasonable amount of time for format operations. */ #define SD_FMT_TIME (120 * 60) /* * 5 seconds is what we'll wait if we get a Busy Status back */ #define SD_BSY_TIMEOUT (drv_usectohz(5 * 1000000)) /* * 100 msec. is what we'll wait if we get Unit Attention. */ #define SD_UA_RETRY_DELAY (drv_usectohz((clock_t)100000)) /* * 100 msec. is what we'll wait for restarted commands. */ #define SD_RESTART_TIMEOUT (drv_usectohz((clock_t)100000)) /* * 10s misaligned I/O warning message interval */ #define SD_RMW_MSG_PRINT_TIMEOUT (drv_usectohz((clock_t)10000000)) /* * 0 msec. is what we'll wait for certain retries. */ #define SD_RETRY_DELAY ((clock_t)0) /* * Number of times we'll retry a normal operation. * * This includes retries due to transport failure * (need to distinguish between Target and Transport failure) * */ #define SD_RETRY_COUNT 5 /* * Number of times we will retry for unit attention. */ #define SD_UA_RETRY_COUNT 600 #define SD_VICTIM_RETRY_COUNT(un) (un->un_victim_retry_count) #define CD_NOT_READY_RETRY_COUNT(un) (un->un_retry_count * 2) #define DISK_NOT_READY_RETRY_COUNT(un) (un->un_retry_count / 2) /* * Maximum number of units we can support * (controlled by room in minor device byte) * * Note: this value is out of date. */ #define SD_MAXUNIT 32 /* * 30 seconds is what we will wait for the IO to finish * before we fail the DDI_SUSPEND */ #define SD_WAIT_CMDS_COMPLETE 30 /* * Prevent/allow media removal flags */ #define SD_REMOVAL_ALLOW 0 #define SD_REMOVAL_PREVENT 1 /* * Drive Types (and characteristics) */ #define VIDMAX 8 #define PIDMAX 16 /* * The following #defines and type definitions for the property * processing component of the sd driver. */ /* Miscellaneous Definitions */ #define SD_CONF_VERSION_1 1 #define SD_CONF_NOT_USED 32 /* * "pm-capable" property values and macros */ #define SD_PM_CAPABLE_UNDEFINED -1 #define SD_PM_CAPABLE_IS_UNDEFINED(pm_cap) \ (pm_cap == SD_PM_CAPABLE_UNDEFINED) #define SD_PM_CAPABLE_IS_FALSE(pm_cap) \ ((pm_cap & PM_CAPABLE_PM_MASK) == 0) #define SD_PM_CAPABLE_IS_TRUE(pm_cap) \ (!SD_PM_CAPABLE_IS_UNDEFINED(pm_cap) && \ ((pm_cap & PM_CAPABLE_PM_MASK) > 0)) #define SD_PM_CAPABLE_IS_SPC_4(pm_cap) \ ((pm_cap & PM_CAPABLE_PM_MASK) == PM_CAPABLE_SPC4) #define SD_PM_CAP_LOG_SUPPORTED(pm_cap) \ ((pm_cap & PM_CAPABLE_LOG_SUPPORTED) ? TRUE : FALSE) #define SD_PM_CAP_SMART_LOG(pm_cap) \ ((pm_cap & PM_CAPABLE_SMART_LOG) ? TRUE : FALSE) /* * Property data values used in static configuration table * These are all based on device characteristics. * For fibre channel devices, the throttle value is usually * derived from the devices cmd Q depth divided by the number * of supported initiators. */ #define ELITE_THROTTLE_VALUE 10 #define SEAGATE_THROTTLE_VALUE 15 #define IBM_THROTTLE_VALUE 15 #define ST31200N_THROTTLE_VALUE 8 #define FUJITSU_THROTTLE_VALUE 15 #define SYMBIOS_THROTTLE_VALUE 16 #define SYMBIOS_NOTREADY_RETRIES 24 #define LSI_THROTTLE_VALUE 16 #define LSI_NOTREADY_RETRIES 24 #define LSI_OEM_NOTREADY_RETRIES 36 #define PURPLE_THROTTLE_VALUE 64 #define PURPLE_BUSY_RETRIES 60 #define PURPLE_RESET_RETRY_COUNT 36 #define PURPLE_RESERVE_RELEASE_TIME 60 #define SVE_BUSY_RETRIES 60 #define SVE_RESET_RETRY_COUNT 36 #define SVE_RESERVE_RELEASE_TIME 60 #define SVE_THROTTLE_VALUE 10 #define SVE_MIN_THROTTLE_VALUE 2 #define SVE_DISKSORT_DISABLED_FLAG 1 #define MASERATI_DISKSORT_DISABLED_FLAG 1 #define MASERATI_LUN_RESET_ENABLED_FLAG 1 #define PIRUS_THROTTLE_VALUE 64 #define PIRUS_NRR_COUNT 60 #define PIRUS_BUSY_RETRIES 60 #define PIRUS_RESET_RETRY_COUNT 36 #define PIRUS_MIN_THROTTLE_VALUE 16 #define PIRUS_DISKSORT_DISABLED_FLAG 0 #define PIRUS_LUN_RESET_ENABLED_FLAG 1 /* * Driver Property Bit Flag definitions * * Unfortunately, for historical reasons, the bit-flag definitions are * different on SPARC, INTEL, & FIBRE platforms. */ /* * Bit flag telling driver to set throttle from sd.conf sd-config-list * and driver table. * * The max throttle (q-depth) property implementation is for support of * fibre channel devices that can drop an i/o request when a queue fills * up. The number of commands sent to the disk from this driver is * regulated such that queue overflows are avoided. */ #define SD_CONF_SET_THROTTLE 0 #define SD_CONF_BSET_THROTTLE (1 << SD_CONF_SET_THROTTLE) /* * Bit flag telling driver to set the controller type from sd.conf * sd-config-list and driver table. */ #define SD_CONF_SET_CTYPE 1 #define SD_CONF_BSET_CTYPE (1 << SD_CONF_SET_CTYPE) /* * Bit flag telling driver to set the not ready retry count for a device from * sd.conf sd-config-list and driver table. */ #define SD_CONF_SET_NOTREADY_RETRIES 10 #define SD_CONF_BSET_NRR_COUNT (1 << SD_CONF_SET_NOTREADY_RETRIES) /* * Bit flag telling driver to set SCSI status BUSY Retries from sd.conf * sd-config-list and driver table. */ #define SD_CONF_SET_BUSY_RETRIES 11 #define SD_CONF_BSET_BSY_RETRY_COUNT (1 << SD_CONF_SET_BUSY_RETRIES) /* * Bit flag telling driver that device does not have a valid/unique serial * number. */ #define SD_CONF_SET_FAB_DEVID 2 #define SD_CONF_BSET_FAB_DEVID (1 << SD_CONF_SET_FAB_DEVID) /* * Bit flag telling driver to disable all caching for disk device. */ #define SD_CONF_SET_NOCACHE 3 #define SD_CONF_BSET_NOCACHE (1 << SD_CONF_SET_NOCACHE) /* * Bit flag telling driver that the PLAY AUDIO command requires parms in BCD * format rather than binary. */ #define SD_CONF_SET_PLAYMSF_BCD 4 #define SD_CONF_BSET_PLAYMSF_BCD (1 << SD_CONF_SET_PLAYMSF_BCD) /* * Bit flag telling driver that the response from the READ SUBCHANNEL command * has BCD fields rather than binary. */ #define SD_CONF_SET_READSUB_BCD 5 #define SD_CONF_BSET_READSUB_BCD (1 << SD_CONF_SET_READSUB_BCD) /* * Bit in flags telling driver that the track number fields in the READ TOC * request and respone are in BCD rather than binary. */ #define SD_CONF_SET_READ_TOC_TRK_BCD 6 #define SD_CONF_BSET_READ_TOC_TRK_BCD (1 << SD_CONF_SET_READ_TOC_TRK_BCD) /* * Bit flag telling driver that the address fields in the READ TOC request and * respone are in BCD rather than binary. */ #define SD_CONF_SET_READ_TOC_ADDR_BCD 7 #define SD_CONF_BSET_READ_TOC_ADDR_BCD (1 << SD_CONF_SET_READ_TOC_ADDR_BCD) /* * Bit flag telling the driver that the device doesn't support the READ HEADER * command. */ #define SD_CONF_SET_NO_READ_HEADER 8 #define SD_CONF_BSET_NO_READ_HEADER (1 << SD_CONF_SET_NO_READ_HEADER) /* * Bit flag telling the driver that for the READ CD command the device uses * opcode 0xd4 rather than 0xbe. */ #define SD_CONF_SET_READ_CD_XD4 9 #define SD_CONF_BSET_READ_CD_XD4 (1 << SD_CONF_SET_READ_CD_XD4) /* * Bit flag telling the driver to set SCSI status Reset Retries * (un_reset_retry_count) from sd.conf sd-config-list and driver table (4356701) */ #define SD_CONF_SET_RST_RETRIES 12 #define SD_CONF_BSET_RST_RETRIES (1 << SD_CONF_SET_RST_RETRIES) /* * Bit flag telling the driver to set the reservation release timeout value * from sd.conf sd-config-list and driver table. (4367306) */ #define SD_CONF_SET_RSV_REL_TIME 13 #define SD_CONF_BSET_RSV_REL_TIME (1 << SD_CONF_SET_RSV_REL_TIME) /* * Bit flag telling the driver to verify that no commands are pending for a * device before issuing a Test Unit Ready. This is a fw workaround for Seagate * eliteI drives. (4392016) */ #define SD_CONF_SET_TUR_CHECK 14 #define SD_CONF_BSET_TUR_CHECK (1 << SD_CONF_SET_TUR_CHECK) /* * Bit in flags telling driver to set min. throttle from ssd.conf * ssd-config-list and driver table. */ #define SD_CONF_SET_MIN_THROTTLE 15 #define SD_CONF_BSET_MIN_THROTTLE (1 << SD_CONF_SET_MIN_THROTTLE) /* * Bit in flags telling driver to set disksort disable flag from ssd.conf * ssd-config-list and driver table. */ #define SD_CONF_SET_DISKSORT_DISABLED 16 #define SD_CONF_BSET_DISKSORT_DISABLED (1 << SD_CONF_SET_DISKSORT_DISABLED) /* * Bit in flags telling driver to set LUN Reset enable flag from [s]sd.conf * [s]sd-config-list and driver table. */ #define SD_CONF_SET_LUN_RESET_ENABLED 17 #define SD_CONF_BSET_LUN_RESET_ENABLED (1 << SD_CONF_SET_LUN_RESET_ENABLED) /* * Bit in flags telling driver that the write cache on the device is * non-volatile. */ #define SD_CONF_SET_CACHE_IS_NV 18 #define SD_CONF_BSET_CACHE_IS_NV (1 << SD_CONF_SET_CACHE_IS_NV) /* * Bit in flags telling driver that the power condition flag from [s]sd.conf * [s]sd-config-list and driver table. */ #define SD_CONF_SET_PC_DISABLED 19 #define SD_CONF_BSET_PC_DISABLED (1 << SD_CONF_SET_PC_DISABLED) /* * This is the number of items currently settable in the sd.conf * sd-config-list. The mask value is defined for parameter checking. The * item count and mask should be updated when new properties are added. */ #define SD_CONF_MAX_ITEMS 19 #define SD_CONF_BIT_MASK 0x0007FFFF typedef struct { int sdt_throttle; int sdt_ctype; int sdt_not_rdy_retries; int sdt_busy_retries; int sdt_reset_retries; int sdt_reserv_rel_time; int sdt_min_throttle; int sdt_disk_sort_dis; int sdt_lun_reset_enable; int sdt_suppress_cache_flush; int sdt_power_condition_dis; } sd_tunables; /* Type definition for static configuration table entries */ typedef struct sd_disk_config { char device_id[25]; uint_t flags; sd_tunables *properties; } sd_disk_config_t; /* * first 2 bits of byte 4 options for 1bh command */ #define SD_TARGET_STOP 0x00 #define SD_TARGET_START 0x01 #define SD_TARGET_EJECT 0x02 #define SD_TARGET_CLOSE 0x03 /* * power condition of byte 4 for 1bh command */ #define SD_TARGET_START_VALID 0x00 #define SD_TARGET_ACTIVE 0x01 #define SD_TARGET_IDLE 0x02 #define SD_TARGET_STANDBY 0x03 #define SD_MODE_SENSE_PAGE3_CODE 0x03 #define SD_MODE_SENSE_PAGE4_CODE 0x04 #define SD_MODE_SENSE_PAGE3_LENGTH \ (sizeof (struct mode_format) + MODE_PARAM_LENGTH) #define SD_MODE_SENSE_PAGE4_LENGTH \ (sizeof (struct mode_geometry) + MODE_PARAM_LENGTH) /* * These command codes need to be moved to sys/scsi/generic/commands.h */ /* Both versions of the Read CD command */ /* the official SCMD_READ_CD now comes from cdio.h */ #define SCMD_READ_CDD4 0xd4 /* the one used by some first */ /* generation ATAPI CD drives */ /* expected sector type filter values for Play and Read CD CDBs */ #define CDROM_SECTOR_TYPE_CDDA (1<<2) /* IEC 908:1987 (CDDA) */ #define CDROM_SECTOR_TYPE_MODE1 (2<<2) /* Yellow book 2048 bytes */ #define CDROM_SECTOR_TYPE_MODE2 (3<<2) /* Yellow book 2335 bytes */ #define CDROM_SECTOR_TYPE_MODE2_FORM1 (4<<2) /* 2048 bytes */ #define CDROM_SECTOR_TYPE_MODE2_FORM2 (5<<2) /* 2324 bytes */ /* READ CD filter bits (cdb[9]) */ #define CDROM_READ_CD_SYNC 0x80 /* read sync field */ #define CDROM_READ_CD_HDR 0x20 /* read four byte header */ #define CDROM_READ_CD_SUBHDR 0x40 /* read sub-header */ #define CDROM_READ_CD_ALLHDRS 0x60 /* read header and sub-header */ #define CDROM_READ_CD_USERDATA 0x10 /* read user data */ #define CDROM_READ_CD_EDC_ECC 0x08 /* read EDC and ECC field */ #define CDROM_READ_CD_C2 0x02 /* read C2 error data */ #define CDROM_READ_CD_C2_BEB 0x04 /* read C2 and Block Error Bits */ /* * These belong in sys/scsi/generic/mode.h */ /* * Mode Sense/Select Header response for Group 2 CDB. */ struct mode_header_grp2 { uchar_t length_msb; /* MSB - number of bytes following */ uchar_t length_lsb; uchar_t medium_type; /* device specific */ uchar_t device_specific; /* device specfic parameters */ uchar_t resv[2]; /* reserved */ uchar_t bdesc_length_hi; /* length of block descriptor(s) */ /* (if any) */ uchar_t bdesc_length_lo; }; _NOTE(SCHEME_PROTECTS_DATA("Unshared data", mode_header_grp2)) /* * Length of the Mode Parameter Header for the Group 2 Mode Select command */ #define MODE_HEADER_LENGTH_GRP2 (sizeof (struct mode_header_grp2)) #define MODE_PARAM_LENGTH_GRP2 (MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH) /* * Mode Page 1 - Error Recovery Page */ #define MODEPAGE_ERR_RECOVER 1 /* * The following buffer length define is 8 bytes for the Group 2 mode page * header, 8 bytes for the block descriptor and 26 bytes for the cdrom * capabilities page (per MMC-2) */ #define MODEPAGE_CDROM_CAP 0x2A #define MODEPAGE_CDROM_CAP_LEN 26 #define BUFLEN_MODE_CDROM_CAP (MODEPAGE_CDROM_CAP_LEN + \ MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH) /* * Power management defines */ #define SD_SPINDLE_UNINIT (-1) #define SD_SPINDLE_OFF 0 #define SD_SPINDLE_ON 1 #define SD_SPINDLE_STOPPED 0 #define SD_SPINDLE_STANDBY 1 #define SD_SPINDLE_IDLE 2 #define SD_SPINDLE_ACTIVE 3 #define SD_PM_NOT_SUPPORTED 4 /* * Power method flag */ #define SD_START_STOP 0 #define SD_POWER_CONDITION 1 /* * Number of power level for start stop or power condition */ #define SD_PM_NUM_LEVEL_SSU_SS 2 #define SD_PM_NUM_LEVEL_SSU_PC 4 /* * SD internal power state change flag */ #define SD_PM_STATE_CHANGE 0 #define SD_PM_STATE_ROLLBACK 1 /* * Power attribute table */ typedef struct disk_power_attr_ss { char *pm_comp[SD_PM_NUM_LEVEL_SSU_SS + 2]; /* pm component */ int ran_perf[SD_PM_NUM_LEVEL_SSU_SS]; /* random performance */ int pwr_saving[SD_PM_NUM_LEVEL_SSU_SS]; /* power saving */ int latency[SD_PM_NUM_LEVEL_SSU_SS]; /* latency */ }sd_power_attr_ss; typedef struct disk_power_attr_pc { char *pm_comp[SD_PM_NUM_LEVEL_SSU_PC + 2]; /* pm component */ int ran_perf[SD_PM_NUM_LEVEL_SSU_PC]; /* random performance */ int pwr_saving[SD_PM_NUM_LEVEL_SSU_PC]; /* power saving */ int latency[SD_PM_NUM_LEVEL_SSU_PC]; /* latency */ }sd_power_attr_pc; /* * No Need to resume if already in PM_SUSPEND state because the thread * was suspended in sdpower. It will be resumed when sdpower is invoked to make * the device active. * When the thread is suspended, the watch thread is terminated and * the token is NULLed so check for this condition. * If there's a thread that can be resumed, ie. token is not NULL, then * it can be resumed. */ #define SD_OK_TO_RESUME_SCSI_WATCHER(un) (un->un_swr_token != NULL) /* * No Need to resume if already in PM_SUSPEND state because the thread * was suspended in sdpower. It will be resumed when sdpower is invoked to make * the device active. * When the thread is suspended, the watch thread is terminated and * the token is NULLed so check for this condition. */ #define SD_OK_TO_SUSPEND_SCSI_WATCHER(un) (un->un_swr_token != NULL) #define SD_DEVICE_IS_IN_LOW_POWER(un) ((un->un_f_pm_is_enabled) && \ (un->un_pm_count < 0)) #define SD_PM_STATE_ACTIVE(un) \ (un->un_f_power_condition_supported ? \ SD_SPINDLE_ACTIVE : SD_SPINDLE_ON) #define SD_PM_STATE_STOPPED(un) \ (un->un_f_power_condition_supported ? \ SD_SPINDLE_STOPPED : SD_SPINDLE_OFF) #define SD_PM_IS_LEVEL_VALID(un, level) \ ((un->un_f_power_condition_supported && \ level >= SD_SPINDLE_STOPPED && \ level <= SD_SPINDLE_ACTIVE) || \ (!un->un_f_power_condition_supported && \ level >= SD_SPINDLE_OFF && \ level <= SD_SPINDLE_ON)) #define SD_PM_IS_IO_CAPABLE(un, level) \ ((un->un_f_power_condition_supported && \ sd_pwr_pc.ran_perf[level] > 0) || \ (!un->un_f_power_condition_supported && \ sd_pwr_ss.ran_perf[level] > 0)) #define SD_PM_STOP_MOTOR_NEEDED(un, level) \ ((un->un_f_power_condition_supported && \ level <= SD_SPINDLE_STANDBY) || \ (!un->un_f_power_condition_supported && \ level == SD_SPINDLE_OFF)) /* * Could move this define to some thing like log sense.h in SCSA headers * But for now let it live here. */ #define START_STOP_CYCLE_COUNTER_PAGE_SIZE 0x28 #define START_STOP_CYCLE_PAGE 0x0E #define START_STOP_CYCLE_VU_PAGE 0x31 /* CD-ROM Error Recovery Parameters page (0x01) */ #define MODEPAGE_ERR_RECOV 0x1 #define BUFLEN_CHG_BLK_MODE MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH /* * Vendor Specific (Toshiba) CD-ROM Speed page (0x31) * * The following buffer length define is 4 bytes for the Group 0 mode page * header, 8 bytes for the block descriptor and 4 bytes for the mode speed page. */ #define MODEPAGE_CDROM_SPEED_LEN 4 #define BUFLEN_MODE_CDROM_SPEED MODEPAGE_CDROM_SPEED_LEN +\ MODE_HEADER_LENGTH +\ MODE_BLK_DESC_LENGTH #define SD_SPEED_1X 176 /* CD-ROM Audio Control Parameters page (0x0E) */ #define MODEPAGE_AUDIO_CTRL 0x0E #define MODEPAGE_AUDIO_CTRL_LEN 16 /* CD-ROM Sony Read Offset Defines */ #define SONY_SESSION_OFFSET_LEN 12 #define SONY_SESSION_OFFSET_KEY 0x40 #define SONY_SESSION_OFFSET_VALID 0x0a /* * CD-ROM Write Protect Defines * * Bit 7 of the device specific field of the mode page header is the write * protect bit. */ #define WRITE_PROTECT 0x80 /* * Define for the length of a profile header returned in response to the * GET CONFIGURATION command */ #define SD_PROFILE_HEADER_LEN 8 /* bytes */ /* * Define the length of the data in response to the GET CONFIGURATION * command. The 3rd byte of the feature descriptor contains the * current feature field that is of interest. This field begins * after the feature header which is 8 bytes. This variable length * was increased in size from 11 to 24 because some devices became * unresponsive with the smaller size. */ #define SD_CURRENT_FEATURE_LEN 24 /* bytes */ /* * Feature codes associated with GET CONFIGURATION command for supported * devices. */ #define RANDOM_WRITABLE 0x20 #define HARDWARE_DEFECT_MANAGEMENT 0x24 /* * Could move this define to some thing like log sense.h in SCSA headers * But for now let it live here. */ #define TEMPERATURE_PAGE 0x0D #define TEMPERATURE_PAGE_SIZE 16 /* bytes */ /* delay time used for sd_media_watch_cb delayed cv broadcast */ #define MEDIA_ACCESS_DELAY 2000000 /* SCSI power on or bus device reset additional sense code */ #define SD_SCSI_RESET_SENSE_CODE 0x29 /* * These defines are for the Vital Product Data Pages in the inquiry command. * They are the bits in the un_vpd_page mask, telling the supported pages. */ #define SD_VPD_SUPPORTED_PG 0x01 /* 0x00 - Supported VPD pages */ #define SD_VPD_UNIT_SERIAL_PG 0x02 /* 0x80 - Unit Serial Number */ #define SD_VPD_OPERATING_PG 0x04 /* 0x81 - Implemented Op Defs */ #define SD_VPD_ASCII_OP_PG 0x08 /* 0x82 - ASCII Op Defs */ #define SD_VPD_DEVID_WWN_PG 0x10 /* 0x83 - Device Identification */ #define SD_VPD_EXTENDED_DATA_PG 0x80 /* 0x86 - Extended data about the lun */ #define SD_VPD_BLK_LIMITS_PG 0x400 /* 0xB0 - Block Limits */ #define SD_VPD_DEV_CHARACTER_PG 0x800 /* 0xB1 - Device Characteristics */ /* * Non-volatile cache support * * Bit 1 of the byte 6 in the Extended INQUIRY data VPD page * is NV_SUP bit: An NV_SUP bit set to one indicates that * the device server supports a non-volatile cache. An * NV_SUP bit set to zero indicates that the device * server may or may not support a non-volatile cache. * * Bit 2 of the byte 1 in the SYNC CACHE command is SYNC_NV * bit: The SYNC_NV bit specifies whether the device server * is required to synchronize volatile and non-volatile * caches. */ #define SD_VPD_NV_SUP 0x02 #define SD_SYNC_NV_BIT 0x04 /* * Addition from sddef.intel.h */ #if defined(__i386) || defined(__amd64) #define P0_RAW_DISK (NDKMAP) #define FDISK_P1 (NDKMAP+1) #define FDISK_P2 (NDKMAP+2) #define FDISK_P3 (NDKMAP+3) #define FDISK_P4 (NDKMAP+4) #endif /* __i386 || __amd64 */ #ifdef __cplusplus } #endif #endif /* _SYS_SCSI_TARGETS_SDDEF_H */
