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Add persistent reservation support to camcontrol(8).

Browse Source 
camcontrol(8) now supports a new 'persist' subcommand that allows users to
issue SCSI PERSISTENT RESERVE IN / OUT commands.

sbin/camcontrol/Makefile:
	Add persist.c.

sbin/camcontrol/persist.c:
	New persistent reservation support for camcontrol(8).

	We have support for all known operation modes for PERSISTENT RESERVE
	IN and PERSISTENT RESERVE OUT.
	exceptions noted above.

sbin/camcontrol/camcontrol.8:
	Document the new 'persist' subcommand.

	In the section on the Transport ID (-I) option, explain what
	Transport IDs for each protocol should look like.  At some point
	some of this information could probably get moved off in a
	separate man page, either on Transport IDs alone or a man page
	documenting the Transport ID parsing code.

	Add a number of examples of persistent reservation commands.
	Persistent Reservations are complex enough that the average user
	probably won't be able to get the commands exactly right by just
	reading the man page.  These examples show a few basic and
	advanced examples of how to use persistent reservations.

sbin/camcontrol/camcontrol.h:
	Move the definition for camcontrol_optret here, so we can use it
	for the persistent reservation code.

	Add a definition for the new scsipersist() function.

sbin/camcontrol/camcontrol.c:
	Add 'persist' to the list of subcommands.

	Document 'persist' in the help text.

sys/cam/scsi/scsi_all.c:
	Add the scsi_persistent_reserve_in() and
	scsi_persistent_reserve_out() CCB building functions.

	Add a new function, scsi_transportid_sbuf().  This takes a
	SCSI Transport ID (documented in SPC-4), and prints it to
	an sbuf(9).  There are some transports (like ATA, USB, and
	SSA) for which there is no transport defined.  We need to
	come up with a reasonable thing to do if we're presented
	with a Transport ID that claims to be for one of those
	protocols.

	Add new routines scsi_get_nv() and scsi_nv_to_str().

	These functions do a table lookup to go between a string and an
	integer.  There are lots of table lookups needed in the
	persistent reservation code in camcontrol(8).

	Add a new function, scsi_parse_transportid(), along with leaf node
	functions to parse:
	FC, 1394 and SAS (scsi_parse_transportid_64bit())
	iSCSI (scsi_parse_transportid_iscsi())
	SPI (scsi_parse_transportid_spi())
	RDMA (scsi_parse_transportid_rdma())
	PCIe (scsi_parse_transportid_sop())

	Transport IDs.  Given a string with the general form proto,id these
	functions create a SCSI Transport ID structure.

sys/cam/scsi/scsi_all.h:
	Update the various persistent reservation data structures to
	SPC4r36l, but also rename some fields that were previously
	obsolete with the proper names from older SCSI specs.  This
	allows using older, obsolete persistent reservation types when
	desired.

	Add function prototypes for the new persistent reservation CCB
	building functions.

	Add a data strucure for the READ FULL STATUS service action
	of the PERSISTENT RESERVE IN command.

	Add Transport ID structures for all protocols described in SPC-4.

	Add a new series of SCSI_PROTO_XXX definitions, and
	redefine other defines in terms of these new definitions.

	Add a prototype for scsi_transportid_sbuf().

	Change a couple of "obsolete" persistent reservation data
	structure fields into something more meaningful, based on
	what the field was called when it was defined in the spec.
	(e.g. SPC, SPC-2, etc.)

	Create a new define, SPRI_MAX_LEN, for the maximum allocation
	length allowed for the PERSISTENT RESERVE IN command.

	Add data structures and enumerations for the new name/value
	translation functions.

	Add data structures for SCSI over PCIe Routing IDs.

	Bring the PERSISTENT RESERVE OUT Register and Move parameter list
	structure (struct scsi_per_res_out_parms) up to date with SPC-4.

	Add a data structure for the transport IDs that can optionally be
	appended to the basic PERSISTENT RESERVE OUT parameter list.

	Move SCSI protocol macro definitions out of the VPD page 0x83
	definition and combine them with the more up to date protocol
	definitions higher in the file.

	Add function prototypes for scsi_nv_to_str(), scsi_get_nv(),
	scsi_parse_transportid_64bit(), scsi_parse_transportid_spi(),
	scsi_parse_transportid_rdma(), scsi_parse_transportid_iscsi(),
	scsi_parse_transportid_sop(), and scsi_parse_transportid().

Sponsored by:	Spectra Logic Corporation
MFC after:	1 week
This commit is contained in:
Kenneth D. Merry 2014-07-03 23:09:44 +00:00
parent f7317857be
commit 08df2e3eaf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=268240
7 changed files with 2684 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sbin/camcontrol/Makefile
View File

@ -3,7 +3,7 @@
PROG= camcontrol
SRCS= camcontrol.c util.c
.if !defined(RELEASE_CRUNCH)
SRCS+= fwdownload.c modeedit.c progress.c
SRCS+= fwdownload.c modeedit.c persist.c progress.c
.else
CFLAGS+= -DMINIMALISTIC
.endif

347
sbin/camcontrol/camcontrol.8
View File

@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd September 6, 2013
.Dd November 20, 2013
.Dt CAMCONTROL 8
.Os
.Sh NAME
@ -269,6 +269,21 @@
.Op Fl U Ar pwd
.Op Fl y
.Nm
.Ic persist
.Op device id
.Op generic args
.Aq Fl i Ar action | Fl o Ar action
.Op Fl a
.Op Fl I Ar trans_id
.Op Fl k Ar key
.Op Fl K Ar sa_key
.Op Fl p
.Op Fl R Ar rel_tgt_port
.Op Fl s Ar scope
.Op Fl S
.Op Fl T Ar res_type
.Op Fl U
.Nm
.Ic help
.Sh DESCRIPTION
The
@ -1473,6 +1488,276 @@ to output a line for every firmware segment that is sent to the device by the
fwdownload command
-- the same as the ones shown in simulation mode.
.El
.It Ic persist
Persistent reservation support.
Persistent reservations are a way to reserve a particular
.Tn SCSI
LUN for use by one or more
.Tn SCSI
initiators.
If the
.Fl i
option is specified,
.Nm
will issue the
.Tn SCSI
PERSISTENT RESERVE IN
command using the requested service action.
If the
.Fl o
option is specified,
.Nm
will issue the
.Tn SCSI
PERSISTENT RESERVE OUT
command using the requested service action.
One of those two options is required.
.Pp
Persistent reservations are complex, and fully explaining them is outside
the scope of this manual.
Please visit
http://www.t10.org
and download the latest SPC spec for a full explanation of persistent
reservations.
.Bl -tag -width 8n
.It Fl i Ar mode
Specify the service action for the PERSISTENT RESERVE IN command.
Supported service actions:
.Bl -tag -width 19n
.It read_keys
Report the current persistent reservation generation (PRgeneration) and any
registered keys.
.It read_reservation
Report the persistent reservation, if any.
.It report_capabilities
Report the persistent reservation capabilities of the LUN.
.It read_full_status
Report the full status of persistent reservations on the LUN.
.El
.It Fl o Ar mode
Specify the service action for the PERSISTENT RESERVE OUT command.
For service actions like register that are components of other service
action names, the entire name must be specified.
Otherwise, enough of the service action name must be specified to
distinguish it from other possible service actions.
Supported service actions:
.Bl -tag -width 15n
.It register
Register a reservation key with the LUN or unregister a reservation key.
To register a key, specify the requested key as the Service Action
Reservation Key.
To unregister a key, specify the previously registered key as the
Reservation Key.
To change a key, specify the old key as the Reservation Key and the new
key as the Service Action Reservation Key.
.It register_ignore
This is similar to the register subcommand, except that the Reservation Key
is ignored.
The Service Action Reservation Key will overwrite any previous key
registered for the initiator.
.It reserve
Create a reservation.
A key must be registered with the LUN before the LUN can be reserved, and
it must be specified as the Reservation Key.
The type of reservation must also be specified.
The scope defaults to LUN scope (LU_SCOPE), but may be changed.
.It release
Release a reservation.
The Reservation Key must be specified.
.It clear
Release a reservation and remove all keys from the device.
The Reservation Key must be specified.
.It preempt
Remove a reservation belonging to another initiator.
The Reservation Key must be specified.
The Service Action Reservation Key may be specified, depending on the
operation being performed.
.It preempt_abort
Remove a reservation belonging to another initiator and abort all
outstanding commands from that initiator.
The Reservation Key must be specified.
The Service Action Reservation Key may be specified, depending on the
operation being performed.
.It register_move
Register another initiator with the LUN, and establish a reservation on the
LUN for that initiator.
The Reservation Key and Service Action Reservation Key must be specified.
.It replace_lost
Replace Lost Reservation information.
.El
.It Fl a
Set the All Target Ports (ALL_TG_PT) bit.
This requests that the key registration be applied to all target ports and
not just the particular target port that receives the command.
This only applies to the register and register_ignore actions.
.It Fl I Ar tid
Specify a Transport ID.
This only applies to the Register and Register and Move service actions for
Persistent Reserve Out.
Multiple Transport IDs may be specified with multiple
.Fl I
arguments.
With the Register service action, specifying one or more Transport IDs
implicitly enables the
.Fl S
option which turns on the SPEC_I_PT bit.
Transport IDs generally have the format protocol,id.
.Bl -tag -width 5n
.It SAS
A SAS Transport ID consists of
.Dq sas,
followed by a 64-bit SAS address.
For example:
.Pp
.Dl sas,0x1234567812345678
.It FC
A Fibre Channel Transport ID consists of
.Dq fcp,
followed by a 64-bit Fibre Channel World Wide Name.
For example:
.Pp
.Dl fcp,0x1234567812345678
.It SPI
A Parallel SCSI address consists of
.Dq spi,
followed by a SCSI target ID and a relative target port identifier.
For example:
.Pp
.Dl spi,4,1
.It 1394
An IEEE 1394 (Firewire) Transport ID consists of
.Dq sbp,
followed by a 64-bit EUI-64 IEEE 1394 node unique identifier.
For example:
.Pp
.Dl sbp,0x1234567812345678
.It RDMA
A SCSI over RDMA Transport ID consists of
.Dq srp,
followed by a 128-bit RDMA initiator port identifier.
The port identifier must be exactly 32 or 34 (if the leading 0x is
included) hexadecimal digits.
Only hexadecimal (base 16) numbers are supported.
For example:
.Pp
.Dl srp,0x12345678123456781234567812345678
.It iSCSI
An iSCSI Transport ID consists an iSCSI name and optionally a separator and
iSCSI session ID.
For example, if only the iSCSI name is specified:
.Pp
.Dl iqn.2012-06.com.example:target0
.Pp
If the iSCSI separator and initiator session ID are specified:
.Pp
.Dl iqn.2012-06.com.example:target0,i,0x123
.It PCIe
A SCSI over PCIe Transport ID consists of
.Dq sop,
followed by a PCIe Routing ID.
The Routing ID consists of a bus, device and function or in the alternate
form, a bus and function.
The bus must be in the range of 0 to 255 inclusive and the device must be
in the range of 0 to 31 inclusive.
The function must be in the range of 0 to 7 inclusive if the standard form
is used, and in the range of 0 to 255 inclusive if the alternate form is
used.
For example, if a bus, device and function are specified for the standard
Routing ID form:
.Pp
.Dl sop,4,5,1
.Pp
If the alternate Routing ID form is used:
.Pp
.Dl sop,4,1
.El
.It Fl k Ar key
Specify the Reservation Key.
This may be in decimal, octal or hexadecimal format.
The value is zero by default if not otherwise specified.
The value must be between 0 and 2^64 - 1, inclusive.
.It Fl K Ar key
Specify the Service Action Reservation Key.
This may be in decimal, octal or hexadecimal format.
The value is zero by default if not otherwise specified.
The value must be between 0 and 2^64 - 1, inclusive.
.It Fl p
Enable the Activate Persist Through Power Loss bit.
This is only used for the register and register_ignore actions.
This requests that the reservation persist across power loss events.
.It Fl s Ar scope
Specify the scope of the reservation.
The scope may be specified by name or by number.
The scope is ignored for register, register_ignore and clear.
If the desired scope isn't available by name, you may specify the number.
.Bl -tag -width 7n
.It lun
LUN scope (0x00).
This encompasses the entire LUN.
.It extent
Extent scope (0x01).
.It element
Element scope (0x02).
.El
.It Fl R Ar rtp
Specify the Relative Target Port.
This only applies to the Register and Move service action of the Persistent
Reserve Out command.
.It Fl S
Enable the SPEC_I_PT bit.
This only applies to the Register service action of Persistent Reserve Out.
You must also specify at least one Transport ID with
.Fl I
if this option is set.
If you specify a Transport ID, this option is automatically set.
It is an error to specify this option for any service action other than
Register.
.It Fl T Ar type
Specify the reservation type.
The reservation type may be specified by name or by number.
If the desired reservation type isn't available by name, you may specify
the number.
Supported reservation type names:
.Bl -tag -width 11n
.It read_shared
Read Shared mode.
.It wr_ex
Write Exclusive mode.
May also be specified as
.Dq write_exclusive .
.It rd_ex
Read Exclusive mode.
May also be specified as
.Dq read_exclusive .
.It ex_ac
Exclusive access mode.
May also be specified as
.Dq exclusive_access .
.It wr_ex_ro
Write Exclusive Registrants Only mode.
May also be specified as
.Dq write_exclusive_reg_only .
.It ex_ac_ro
Exclusive Access Registrants Only mode.
May also be specified as
.Dq exclusive_access_reg_only .
.It wr_ex_ar
Write Exclusive All Registrants mode.
May also be specified as
.Dq write_exclusive_all_regs .
.It ex_ac_ar
Exclusive Access All Registrants mode.
May also be specified as
.Dq exclusive_access_all_regs .
.El
.It Fl U
Specify that the target should unregister the initiator that sent
the Register and Move request.
By default, the target will not unregister the initiator that sends the
Register and Move request.
This option only applies to the Register and Move service action of the
Persistent Reserve Out command.
.El
.It Ic help
Print out verbose usage information.
.El
@ -1639,6 +1924,66 @@ power-on or hardware reset!
.Pp
.Em DO NOT
use this on a device which has an active filesystem!
.Pp
.Bd -literal -offset indent
camcontrol persist da0 -v -i read_keys
.Ed
.Pp
This will read any persistent reservation keys registered with da0, and
display any errors encountered when sending the PERSISTENT RESERVE IN
.Tn SCSI
command.
.Bd -literal -offset indent
camcontrol persist da0 -v -o register -a -K 0x12345678
.Ed
.Pp
This will register the persistent reservation key 0x12345678 with da0,
apply that registration to all ports on da0, and display any errors that
occur when sending the PERSISTENT RESERVE OUT command.
.Bd -literal -offset indent
camcontrol persist da0 -v -o reserve -s lun -k 0x12345678 -T ex_ac
.Ed
.Pp
This will reserve da0 for the exlusive use of the initiator issuing the
command.
The scope of the reservation is the entire LUN.
Any errors sending the PERSISTENT RESERVE OUT command will be displayed.
.Bd -literal -offset indent
camcontrol persist da0 -v -i read_full
.Ed
.Pp
This will display the full status of all reservations on da0 and print out
status if there are any errors.
.Bd -literal -offset indent
camcontrol persist da0 -v -o release -k 0x12345678 -T ex_ac
.Ed
.Pp
This will release a reservation on da0 of the type ex_ac
(Exclusive Access).
The Reservation Key for this registration is 0x12345678.
Any errors that occur will be displayed.
.Bd -literal -offset indent
camcontrol persist da0 -v -o register -K 0x12345678 -S \e
-I sas,0x1234567812345678 -I sas,0x8765432187654321
.Ed
.Pp
This will register the key 0x12345678 with da0, specifying that it applies
to the SAS initiators with SAS addresses 0x1234567812345678 and
0x8765432187654321.
.Bd -literal -offset indent
camcontrol persist da0 -v -o register_move -k 0x87654321 \e
-K 0x12345678 -U -p -R 2 -I fcp,0x1234567812345678
.Ed
.Pp
This will move the registration from the current initiator, whose
Registration Key is 0x87654321, to the Fibre Channel initiator with the
Fiber Channel World Wide Node Name 0x1234567812345678.
A new registration key, 0x12345678, will be registered for the initiator
with the Fibre Channel World Wide Node Name 0x1234567812345678, and the
current initiator will be unregistered from the target.
The reservation will be moved to relative target port 2 on the target
device.
The registration will persist across power losses.
.Sh SEE ALSO
.Xr cam 3 ,
.Xr cam_cdbparse 3 ,

35
sbin/camcontrol/camcontrol.c
View File

@ -96,6 +96,7 @@ typedef enum {
CAM_CMD_SECURITY = 0x0000001d,
CAM_CMD_HPA = 0x0000001e,
CAM_CMD_SANITIZE = 0x0000001f,
CAM_CMD_PERSIST = 0x00000020
} cam_cmdmask;
typedef enum {
@ -218,6 +219,7 @@ static struct camcontrol_opts option_table[] = {
{"fwdownload", CAM_CMD_DOWNLOAD_FW, CAM_ARG_NONE, "f:ys"},
{"security", CAM_CMD_SECURITY, CAM_ARG_NONE, "d:e:fh:k:l:qs:T:U:y"},
{"hpa", CAM_CMD_HPA, CAM_ARG_NONE, "Pflp:qs:U:y"},
{"persist", CAM_CMD_PERSIST, CAM_ARG_NONE, "ai:I:k:K:o:ps:ST:U"},
#endif /* MINIMALISTIC */
{"help", CAM_CMD_USAGE, CAM_ARG_NONE, NULL},
{"-?", CAM_CMD_USAGE, CAM_ARG_NONE, NULL},
@ -225,12 +227,6 @@ static struct camcontrol_opts option_table[] = {
{NULL, 0, 0, NULL}
};
typedef enum {
CC_OR_NOT_FOUND,
CC_OR_AMBIGUOUS,
CC_OR_FOUND
} camcontrol_optret;
struct cam_devitem {
struct device_match_result dev_match;
int num_periphs;
@ -7826,6 +7822,9 @@ usage(int printlong)
" [-U <user|master>] [-y]\n"
" camcontrol hpa [dev_id][generic args] [-f] [-l] [-P] [-p pwd]\n"
" [-q] [-s max_sectors] [-U pwd] [-y]\n"
" camcontrol persist [dev_id][generic args] <-i action|-o action>\n"
" [-a][-I tid][-k key][-K sa_key][-p][-R rtp]\n"
" [-s scope][-S][-T type][-U]\n"
#endif /* MINIMALISTIC */
" camcontrol help\n");
if (!printlong)
@ -7862,8 +7861,9 @@ usage(int printlong)
"idle send the ATA IDLE command to the named device\n"
"standby send the ATA STANDBY command to the named device\n"
"sleep send the ATA SLEEP command to the named device\n"
"fwdownload program firmware of the named device with the given image"
"fwdownload program firmware of the named device with the given image\n"
"security report or send ATA security commands to the named device\n"
"persist send the SCSI PERSISTENT RESERVE IN or OUT commands\n"
"help this message\n"
"Device Identifiers:\n"
"bus:target specify the bus and target, lun defaults to 0\n"
@ -7998,6 +7998,22 @@ usage(int printlong)
" device\n"
"-U pwd unlock the HPA configuration of the device\n"
"-y don't ask any questions\n"
"persist arguments:\n"
"-i action specify read_keys, read_reservation, report_cap, or\n"
" read_full_status\n"
"-o action specify register, register_ignore, reserve, release,\n"
" clear, preempt, preempt_abort, register_move, replace_lost\n"
"-a set the All Target Ports (ALL_TG_PT) bit\n"
"-I tid specify a Transport ID, e.g.: sas,0x1234567812345678\n"
"-k key specify the Reservation Key\n"
"-K sa_key specify the Service Action Reservation Key\n"
"-p set the Activate Persist Through Power Loss bit\n"
"-R rtp specify the Relative Target Port\n"
"-s scope specify the scope: lun, extent, element or a number\n"
"-S specify Transport ID for register, requires -I\n"
"-T res_type specify the reservation type: read_shared, wr_ex, rd_ex,\n"
" ex_ac, wr_ex_ro, ex_ac_ro, wr_ex_ar, ex_ac_ar\n"
"-U unregister the current initiator for register_move\n"
);
#endif /* MINIMALISTIC */
}
@ -8332,6 +8348,11 @@ main(int argc, char **argv)
error = scsisanitize(cam_dev, argc, argv,
combinedopt, retry_count, timeout);
break;
case CAM_CMD_PERSIST:
error = scsipersist(cam_dev, argc, argv, combinedopt,
retry_count, timeout, arglist & CAM_ARG_VERBOSE,
arglist & CAM_ARG_ERR_RECOVER);
break;
#endif /* MINIMALISTIC */
case CAM_CMD_USAGE:
usage(1);

10
sbin/camcontrol/camcontrol.h
View File

@ -30,6 +30,13 @@
#ifndef _CAMCONTROL_H
#define _CAMCONTROL_H
typedef enum {
CC_OR_NOT_FOUND,
CC_OR_AMBIGUOUS,
CC_OR_FOUND
} camcontrol_optret;
/*
* get_hook: Structure for evaluating args in a callback.
*/
@ -56,6 +63,9 @@ void mode_list(struct cam_device *device, int page_control, int dbd,
int retry_count, int timeout);
int scsidoinquiry(struct cam_device *device, int argc, char **argv,
char *combinedopt, int retry_count, int timeout);
int scsipersist(struct cam_device *device, int argc, char **argv,
char *combinedopt, int retry_count, int timeout, int verbose,
int err_recover);
char *cget(void *hook, char *name);
int iget(void *hook, char *name);
void arg_put(void *hook, int letter, void *arg, int count, char *name);

966
sbin/camcontrol/persist.c Normal file
View File

@ -0,0 +1,966 @@
/*-
* Copyright (c) 2013 Spectra Logic Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* Authors: Ken Merry (Spectra Logic Corporation)
*/
/*
* SCSI Persistent Reservation support for camcontrol(8).
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/ioctl.h>
#include <sys/stdint.h>
#include <sys/types.h>
#include <sys/endian.h>
#include <sys/sbuf.h>
#include <sys/queue.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <unistd.h>
#include <string.h>
#include <strings.h>
#include <fcntl.h>
#include <ctype.h>
#include <limits.h>
#include <err.h>
#include <cam/cam.h>
#include <cam/cam_debug.h>
#include <cam/cam_ccb.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_pass.h>
#include <cam/scsi/scsi_message.h>
#include <camlib.h>
#include "camcontrol.h"
struct persist_transport_id {
struct scsi_transportid_header *hdr;
unsigned int alloc_len;
STAILQ_ENTRY(persist_transport_id) links;
};
/*
* Service Actions for PERSISTENT RESERVE IN.
*/
static struct scsi_nv persist_in_actions[] = {
{ "read_keys", SPRI_RK },
{ "read_reservation", SPRI_RR },
{ "report_capabilities", SPRI_RC },
{ "read_full_status", SPRI_RS }
};
/*
* Service Actions for PERSISTENT RESERVE OUT.
*/
static struct scsi_nv persist_out_actions[] = {
{ "register", SPRO_REGISTER },
{ "reserve", SPRO_RESERVE },
{ "release" , SPRO_RELEASE },
{ "clear", SPRO_CLEAR },
{ "preempt", SPRO_PREEMPT },
{ "preempt_abort", SPRO_PRE_ABO },
{ "register_ignore", SPRO_REG_IGNO },
{ "register_move", SPRO_REG_MOVE },
{ "replace_lost", SPRO_REPL_LOST_RES }
};
/*
* Known reservation scopes. As of SPC-4, only LU_SCOPE is used in the
* spec. The others are obsolete.
*/
static struct scsi_nv persist_scope_table[] = {
{ "lun", SPR_LU_SCOPE },
{ "extent", SPR_EXTENT_SCOPE },
{ "element", SPR_ELEMENT_SCOPE }
};
/*
* Reservation types. The longer name for a given reservation type is
* listed first, so that it makes more sense when we print out the
* reservation type. We step through the table linearly when looking for
* the text name for a particular numeric reservation type value.
*/
static struct scsi_nv persist_type_table[] = {
{ "read_shared", SPR_TYPE_RD_SHARED },
{ "write_exclusive", SPR_TYPE_WR_EX },
{ "wr_ex", SPR_TYPE_WR_EX },
{ "read_exclusive", SPR_TYPE_RD_EX },
{ "rd_ex", SPR_TYPE_RD_EX },
{ "exclusive_access", SPR_TYPE_EX_AC },
{ "ex_ac", SPR_TYPE_EX_AC },
{ "write_exclusive_reg_only", SPR_TYPE_WR_EX_RO },
{ "wr_ex_ro", SPR_TYPE_WR_EX_RO },
{ "exclusive_access_reg_only", SPR_TYPE_EX_AC_RO },
{ "ex_ac_ro", SPR_TYPE_EX_AC_RO },
{ "write_exclusive_all_regs", SPR_TYPE_WR_EX_AR },
{ "wr_ex_ar", SPR_TYPE_WR_EX_AR },
{ "exclusive_access_all_regs", SPR_TYPE_EX_AC_AR },
{ "ex_ac_ar", SPR_TYPE_EX_AC_AR }
};
/*
* Print out the standard scope/type field.
*/
static void
persist_print_scopetype(uint8_t scopetype)
{
const char *tmpstr;
int num_entries;
num_entries = sizeof(persist_scope_table) /
sizeof(persist_scope_table[0]);
tmpstr = scsi_nv_to_str(persist_scope_table, num_entries,
scopetype & SPR_SCOPE_MASK);
fprintf(stdout, "Scope: %s (%#x)\n", (tmpstr != NULL) ? tmpstr :
"Unknown", (scopetype & SPR_SCOPE_MASK) >> SPR_SCOPE_SHIFT);
num_entries = sizeof(persist_type_table) /
sizeof(persist_type_table[0]);
tmpstr = scsi_nv_to_str(persist_type_table, num_entries,
scopetype & SPR_TYPE_MASK);
fprintf(stdout, "Type: %s (%#x)\n", (tmpstr != NULL) ? tmpstr :
"Unknown", scopetype & SPR_TYPE_MASK);
}
static void
persist_print_transportid(uint8_t *buf, uint32_t len)
{
struct sbuf *sb;
sb = sbuf_new_auto();
if (sb == NULL)
fprintf(stderr, "Unable to allocate sbuf\n");
scsi_transportid_sbuf(sb, (struct scsi_transportid_header *)buf, len);
sbuf_finish(sb);
fprintf(stdout, "%s\n", sbuf_data(sb));
sbuf_delete(sb);
}
/*
* Print out a persistent reservation. This is used with the READ
* RESERVATION (0x01) service action of the PERSISTENT RESERVE IN command.
*/
static void
persist_print_res(struct scsi_per_res_in_header *hdr, uint32_t valid_len)
{
uint32_t length;
struct scsi_per_res_in_rsrv *res;
length = scsi_4btoul(hdr->length);
length = MIN(length, valid_len);
res = (struct scsi_per_res_in_rsrv *)hdr;
if (length < sizeof(res->data) - sizeof(res->data.extent_length)) {
if (length == 0)
fprintf(stdout, "No reservations.\n");
else
warnx("unable to print reservation, only got %u "
"valid bytes", length);
return;
}
fprintf(stdout, "PRgeneration: %#x\n",
scsi_4btoul(res->header.generation));
fprintf(stdout, "Reservation Key: %#jx\n",
(uintmax_t)scsi_8btou64(res->data.reservation));
fprintf(stdout, "Scope address: %#x\n",
scsi_4btoul(res->data.scope_addr));
persist_print_scopetype(res->data.scopetype);
fprintf(stdout, "Extent length: %u\n",
scsi_2btoul(res->data.extent_length));
}
/*
* Print out persistent reservation keys. This is used with the READ KEYS
* service action of the PERSISTENT RESERVE IN command.
*/
static void
persist_print_keys(struct scsi_per_res_in_header *hdr, uint32_t valid_len)
{
uint32_t length, num_keys, i;
struct scsi_per_res_key *key;
length = scsi_4btoul(hdr->length);
length = MIN(length, valid_len);
num_keys = length / sizeof(*key);
fprintf(stdout, "PRgeneration: %#x\n", scsi_4btoul(hdr->generation));
fprintf(stdout, "%u key%s%s\n", num_keys, (num_keys == 1) ? "" : "s",
(num_keys == 0) ? "." : ":");
for (i = 0, key = (struct scsi_per_res_key *)&hdr[1]; i < num_keys;
i++, key++) {
fprintf(stdout, "%u: %#jx\n", i,
(uintmax_t)scsi_8btou64(key->key));
}
}
/*
* Print out persistent reservation capabilities. This is used with the
* REPORT CAPABILITIES service action of the PERSISTENT RESERVE IN command.
*/
static void
persist_print_cap(struct scsi_per_res_cap *cap, uint32_t valid_len)
{
uint32_t length;
int check_type_mask = 0;
length = scsi_2btoul(cap->length);
length = MIN(length, valid_len);
if (length < __offsetof(struct scsi_per_res_cap, type_mask)) {
fprintf(stdout, "Insufficient data (%u bytes) to report "
"full capabilities\n", length);
return;
}
if (length >= __offsetof(struct scsi_per_res_cap, reserved))
check_type_mask = 1;
fprintf(stdout, "Replace Lost Reservation Capable (RLR_C): %d\n",
(cap->flags1 & SPRI_RLR_C) ? 1 : 0);
fprintf(stdout, "Compatible Reservation Handling (CRH): %d\n",
(cap->flags1 & SPRI_CRH) ? 1 : 0);
fprintf(stdout, "Specify Initiator Ports Capable (SIP_C): %d\n",
(cap->flags1 & SPRI_SIP_C) ? 1 : 0);
fprintf(stdout, "All Target Ports Capable (ATP_C): %d\n",
(cap->flags1 & SPRI_ATP_C) ? 1 : 0);
fprintf(stdout, "Persist Through Power Loss Capable (PTPL_C): %d\n",
(cap->flags1 & SPRI_PTPL_C) ? 1 : 0);
fprintf(stdout, "ALLOW COMMANDS field: (%#x)\n",
(cap->flags2 & SPRI_ALLOW_CMD_MASK) >> SPRI_ALLOW_CMD_SHIFT);
/*
* These cases are cut-and-pasted from SPC4r36l. There is no
* succinct way to describe these otherwise, and even with the
* verbose description, the user will probably have to refer to
* the spec to fully understand what is going on.
*/
switch (cap->flags2 & SPRI_ALLOW_CMD_MASK) {
case SPRI_ALLOW_1:
fprintf(stdout,
" The device server allows the TEST UNIT READY command through Write\n"
" Exclusive type reservations and Exclusive Access type reservations\n"
" and does not provide information about whether the following commands\n"
" are allowed through Write Exclusive type reservations:\n"
" a) the MODE SENSE command, READ ATTRIBUTE command, READ BUFFER\n"
" command, RECEIVE COPY RESULTS command, RECEIVE DIAGNOSTIC\n"
" RESULTS command, REPORT SUPPORTED OPERATION CODES command,\n"
" and REPORT SUPPORTED TASK MANAGEMENT FUNCTION command; and\n"
" b) the READ DEFECT DATA command (see SBC-3).\n");
break;
case SPRI_ALLOW_2:
fprintf(stdout,
" The device server allows the TEST UNIT READY command through Write\n"
" Exclusive type reservations and Exclusive Access type reservations\n"
" and does not allow the following commands through Write Exclusive type\n"
" reservations:\n"
" a) the MODE SENSE command, READ ATTRIBUTE command, READ BUFFER\n"
" command, RECEIVE DIAGNOSTIC RESULTS command, REPORT SUPPORTED\n"
" OPERATION CODES command, and REPORT SUPPORTED TASK MANAGEMENT\n"
" FUNCTION command; and\n"
" b) the READ DEFECT DATA command.\n"
" The device server does not allow the RECEIVE COPY RESULTS command\n"
" through Write Exclusive type reservations or Exclusive Access type\n"
" reservations.\n");
break;
case SPRI_ALLOW_3:
fprintf(stdout,
" The device server allows the TEST UNIT READY command through Write\n"
" Exclusive type reservations and Exclusive Access type reservations\n"
" and allows the following commands through Write Exclusive type\n"
" reservations:\n"
" a) the MODE SENSE command, READ ATTRIBUTE command, READ BUFFER\n"
" command, RECEIVE DIAGNOSTIC RESULTS command, REPORT SUPPORTED\n"
" OPERATION CODES command, and REPORT SUPPORTED TASK MANAGEMENT\n"
" FUNCTION command; and\n"
" b) the READ DEFECT DATA command.\n"
" The device server does not allow the RECEIVE COPY RESULTS command\n"
" through Write Exclusive type reservations or Exclusive Access type\n"
" reservations.\n");
break;
case SPRI_ALLOW_4:
fprintf(stdout,
" The device server allows the TEST UNIT READY command and the RECEIVE\n"
" COPY RESULTS command through Write Exclusive type reservations and\n"
" Exclusive Access type reservations and allows the following commands\n"
" through Write Exclusive type reservations:\n"
" a) the MODE SENSE command, READ ATTRIBUTE command, READ BUFFER\n"
" command, RECEIVE DIAGNOSTIC RESULTS command, REPORT SUPPORTED\n"
" OPERATION CODES command, and REPORT SUPPORTED TASK MANAGEMENT\n"
" FUNCTION command; and\n"
" b) the READ DEFECT DATA command.\n");
break;
case SPRI_ALLOW_NA:
fprintf(stdout,
" No information is provided about whether certain commands are allowed\n"
" through certain types of persistent reservations.\n");
break;
default:
fprintf(stdout,
" Unknown ALLOW COMMANDS value %#x\n",
(cap->flags2 & SPRI_ALLOW_CMD_MASK) >>
SPRI_ALLOW_CMD_SHIFT);
break;
}
fprintf(stdout, "Persist Through Power Loss Activated (PTPL_A): %d\n",
(cap->flags2 & SPRI_PTPL_A) ? 1 : 0);
if ((check_type_mask != 0)
&& (cap->flags2 & SPRI_TMV)) {
fprintf(stdout, "Supported Persistent Reservation Types:\n");
fprintf(stdout, " Write Exclusive - All Registrants "
"(WR_EX_AR): %d\n",
(cap->type_mask[0] & SPRI_TM_WR_EX_AR)? 1 : 0);
fprintf(stdout, " Exclusive Access - Registrants Only "
"(EX_AC_RO): %d\n",
(cap->type_mask[0] & SPRI_TM_EX_AC_RO) ? 1 : 0);
fprintf(stdout, " Write Exclusive - Registrants Only "
"(WR_EX_RO): %d\n",
(cap->type_mask[0] & SPRI_TM_WR_EX_RO)? 1 : 0);
fprintf(stdout, " Exclusive Access (EX_AC): %d\n",
(cap->type_mask[0] & SPRI_TM_EX_AC) ? 1 : 0);
fprintf(stdout, " Write Exclusive (WR_EX): %d\n",
(cap->type_mask[0] & SPRI_TM_WR_EX) ? 1 : 0);
fprintf(stdout, " Exclusive Access - All Registrants "
"(EX_AC_AR): %d\n",
(cap->type_mask[1] & SPRI_TM_EX_AC_AR) ? 1 : 0);
} else {
fprintf(stdout, "Persistent Reservation Type Mask is NOT "
"valid\n");
}
}
static void
persist_print_full(struct scsi_per_res_in_header *hdr, uint32_t valid_len)
{
uint32_t length, len_to_go = 0;
struct scsi_per_res_in_full_desc *desc;
uint8_t *cur_pos;
int i;
length = scsi_4btoul(hdr->length);
length = MIN(length, valid_len);
if (length < sizeof(*desc)) {
if (length == 0)
fprintf(stdout, "No reservations.\n");
else
warnx("unable to print reservation, only got %u "
"valid bytes", length);
return;
}
fprintf(stdout, "PRgeneration: %#x\n", scsi_4btoul(hdr->generation));
cur_pos = (uint8_t *)&hdr[1];
for (len_to_go = length, i = 0,
desc = (struct scsi_per_res_in_full_desc *)cur_pos;
len_to_go >= sizeof(*desc);
desc = (struct scsi_per_res_in_full_desc *)cur_pos, i++) {
uint32_t additional_length, cur_length;
fprintf(stdout, "Reservation Key: %#jx\n",
(uintmax_t)scsi_8btou64(desc->res_key.key));
fprintf(stdout, "All Target Ports (ALL_TG_PT): %d\n",
(desc->flags & SPRI_FULL_ALL_TG_PT) ? 1 : 0);
fprintf(stdout, "Reservation Holder (R_HOLDER): %d\n",
(desc->flags & SPRI_FULL_R_HOLDER) ? 1 : 0);
if (desc->flags & SPRI_FULL_R_HOLDER)
persist_print_scopetype(desc->scopetype);
if ((desc->flags & SPRI_FULL_ALL_TG_PT) == 0)
fprintf(stdout, "Relative Target Port ID: %#x\n",
scsi_2btoul(desc->rel_trgt_port_id));
additional_length = scsi_4btoul(desc->additional_length);
persist_print_transportid(desc->transport_id,
additional_length);
cur_length = sizeof(*desc) + additional_length;
len_to_go -= cur_length;
cur_pos += cur_length;
}
}
int
scsipersist(struct cam_device *device, int argc, char **argv, char *combinedopt,
int retry_count, int timeout, int verbosemode, int err_recover)
{
union ccb *ccb = NULL;
int c, in = 0, out = 0;
int action = -1, num_ids = 0;
int error = 0;
uint32_t res_len = 0;
unsigned long rel_tgt_port = 0;
uint8_t *res_buf = NULL;
int scope = SPR_LU_SCOPE, res_type = 0, key_set = 0, sa_key_set = 0;
struct persist_transport_id *id, *id2;
STAILQ_HEAD(, persist_transport_id) transport_id_list;
uint64_t key = 0, sa_key = 0;
struct scsi_nv *table = NULL;
size_t table_size = 0, id_len = 0;
uint32_t valid_len = 0;
int all_tg_pt = 0, aptpl = 0, spec_i_pt = 0, unreg = 0,rel_port_set = 0;
STAILQ_INIT(&transport_id_list);
ccb = cam_getccb(device);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
error = 1;
goto bailout;
}
bzero(&(&ccb->ccb_h)[1],
sizeof(union ccb) - sizeof(struct ccb_hdr));
while ((c = getopt(argc, argv, combinedopt)) != -1) {
switch (c) {
case 'a':
all_tg_pt = 1;
break;
case 'I': {
int error_str_len = 128;
char error_str[error_str_len];
char *id_str;
id = malloc(sizeof(*id));
if (id == NULL) {
warnx("%s: error allocating %zu bytes",
__func__, sizeof(*id));
error = 1;
goto bailout;
}
bzero(id, sizeof(*id));
id_str = strdup(optarg);
if (id_str == NULL) {
warnx("%s: error duplicating string %s",
__func__, optarg);
free(id);
error = 1;
goto bailout;
}
error = scsi_parse_transportid(id_str, &id->hdr,
&id->alloc_len, error_str, error_str_len);
if (error != 0) {
warnx("%s", error_str);
error = 1;
free(id);
free(id_str);
goto bailout;
}
free(id_str);
STAILQ_INSERT_TAIL(&transport_id_list, id, links);
num_ids++;
id_len += id->alloc_len;
break;
}
case 'k':
case 'K': {
char *endptr;
uint64_t tmpval;
tmpval = strtoumax(optarg, &endptr, 0);
if (*endptr != '\0') {
warnx("%s: invalid key argument %s", __func__,
optarg);
error = 1;
goto bailout;
}
if (c == 'k') {
key = tmpval;
key_set = 1;
} else {
sa_key = tmpval;
sa_key_set = 1;
}
break;
}
case 'i':
case 'o': {
scsi_nv_status status;
int table_entry = 0;
if (c == 'i') {
in = 1;
table = persist_in_actions;
table_size = sizeof(persist_in_actions) /
sizeof(persist_in_actions[0]);
} else {
out = 1;
table = persist_out_actions;
table_size = sizeof(persist_out_actions) /
sizeof(persist_out_actions[0]);
}
if ((in + out) > 1) {
warnx("%s: only one in (-i) or out (-o) "
"action is allowed", __func__);
error = 1;
goto bailout;
}
status = scsi_get_nv(table, table_size, optarg,
&table_entry,SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
action = table[table_entry].value;
else {
warnx("%s: %s %s option %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", in ? "in" :
"out", optarg);
error = 1;
goto bailout;
}
break;
}
case 'p':
aptpl = 1;
break;
case 'R': {
char *endptr;
rel_tgt_port = strtoul(optarg, &endptr, 0);
if (*endptr != '\0') {
warnx("%s: invalid relative target port %s",
__func__, optarg);
error = 1;
goto bailout;
}
rel_port_set = 1;
break;
}
case 's': {
size_t scope_size;
struct scsi_nv *scope_table = NULL;
scsi_nv_status status;
int table_entry = 0;
char *endptr;
/*
* First check to see if the user gave us a numeric
* argument. If so, we'll try using it.
*/
if (isdigit(optarg[0])) {
scope = strtol(optarg, &endptr, 0);
if (*endptr != '\0') {
warnx("%s: invalid scope %s",
__func__, optarg);
error = 1;
goto bailout;
}
scope = (scope << SPR_SCOPE_SHIFT) &
SPR_SCOPE_MASK;
break;
}
scope_size = sizeof(persist_scope_table) /
sizeof(persist_scope_table[0]);
scope_table = persist_scope_table;
status = scsi_get_nv(scope_table, scope_size, optarg,
&table_entry,SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
scope = scope_table[table_entry].value;
else {
warnx("%s: %s scope %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", optarg);
error = 1;
goto bailout;
}
break;
}
case 'S':
spec_i_pt = 1;
break;
case 'T': {
size_t res_type_size;
struct scsi_nv *rtype_table = NULL;
scsi_nv_status status;
char *endptr;
int table_entry = 0;
/*
* First check to see if the user gave us a numeric
* argument. If so, we'll try using it.
*/
if (isdigit(optarg[0])) {
res_type = strtol(optarg, &endptr, 0);
if (*endptr != '\0') {
warnx("%s: invalid reservation type %s",
__func__, optarg);
error = 1;
goto bailout;
}
break;
}
res_type_size = sizeof(persist_type_table) /
sizeof(persist_type_table[0]);
rtype_table = persist_type_table;
status = scsi_get_nv(rtype_table, res_type_size,
optarg, &table_entry,
SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
res_type = rtype_table[table_entry].value;
else {
warnx("%s: %s reservation type %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", optarg);
error = 1;
goto bailout;
}
break;
}
case 'U':
unreg = 1;
break;
default:
break;
}
}
if ((in + out) != 1) {
warnx("%s: you must specify one of -i or -o", __func__);
error = 1;
goto bailout;
}
/*
* Note that we don't really try to figure out whether the user
* needs to specify one or both keys. There are a number of
* scenarios, and sometimes 0 is a valid and desired value.
*/
if (in != 0) {
switch (action) {
case SPRI_RK:
case SPRI_RR:
case SPRI_RS:
/*
* Allocate the maximum length possible for these
* service actions. According to the spec, the
* target is supposed to return the available
* length in the header, regardless of the
* allocation length. In practice, though, with
* the READ FULL STATUS (SPRI_RS) service action,
* some Seagate drives (in particular a
* Constellation ES, <SEAGATE ST32000444SS 0006>)
* don't return the available length if you only
* allocate the length of the header. So just
* allocate the maximum here so we don't miss
* anything.
*/
res_len = SPRI_MAX_LEN;
break;
case SPRI_RC:
res_len = sizeof(struct scsi_per_res_cap);
break;
default:
/* In theory we should catch this above */
warnx("%s: invalid action %d", __func__, action);
error = 1;
goto bailout;
break;
}
} else {
/*
* XXX KDM need to add length for transport IDs for the
* register and move service action and the register
* service action with the SPEC_I_PT bit set.
*/
if (action == SPRO_REG_MOVE) {
if (num_ids != 1) {
warnx("%s: register and move requires a "
"single transport ID (-I)", __func__);
error = 1;
goto bailout;
}
if (rel_port_set == 0) {
warnx("%s: register and move requires a "
"relative target port (-R)", __func__);
error = 1;
goto bailout;
}
res_len = sizeof(struct scsi_per_res_reg_move) + id_len;
} else {
res_len = sizeof(struct scsi_per_res_out_parms);
if ((action == SPRO_REGISTER)
&& (num_ids != 0)) {
/*
* If the user specifies any IDs with the
* register service action, turn on the
* spec_i_pt bit.
*/
spec_i_pt = 1;
res_len += id_len;
res_len +=
sizeof(struct scsi_per_res_out_trans_ids);
}
}
}
retry:
if (res_buf != NULL) {
free(res_buf);
res_buf = NULL;
}
res_buf = malloc(res_len);
if (res_buf == NULL) {
warn("%s: error allocating %d bytes", __func__, res_len);
error = 1;
goto bailout;
}
bzero(res_buf, res_len);
if (in != 0) {
scsi_persistent_reserve_in(&ccb->csio,
/*retries*/ retry_count,
/*cbfcnp*/ NULL,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*service_action*/ action,
/*data_ptr*/ res_buf,
/*dxfer_len*/ res_len,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ? timeout :5000);
} else {
switch (action) {
case SPRO_REGISTER:
if (spec_i_pt != 0) {
struct scsi_per_res_out_trans_ids *id_hdr;
uint8_t *bufptr;
bufptr = res_buf +
sizeof(struct scsi_per_res_out_parms) +
sizeof(struct scsi_per_res_out_trans_ids);
STAILQ_FOREACH(id, &transport_id_list, links) {
bcopy(id->hdr, bufptr, id->alloc_len);
bufptr += id->alloc_len;
}
id_hdr = (struct scsi_per_res_out_trans_ids *)
(res_buf +
sizeof(struct scsi_per_res_out_parms));
scsi_ulto4b(id_len, id_hdr->additional_length);
}
case SPRO_REG_IGNO:
case SPRO_PREEMPT:
case SPRO_PRE_ABO:
case SPRO_RESERVE:
case SPRO_RELEASE:
case SPRO_CLEAR:
case SPRO_REPL_LOST_RES: {
struct scsi_per_res_out_parms *parms;
parms = (struct scsi_per_res_out_parms *)res_buf;
scsi_u64to8b(key, parms->res_key.key);
scsi_u64to8b(sa_key, parms->serv_act_res_key);
if (spec_i_pt != 0)
parms->flags |= SPR_SPEC_I_PT;
if (all_tg_pt != 0)
parms->flags |= SPR_ALL_TG_PT;
if (aptpl != 0)
parms->flags |= SPR_APTPL;
break;
}
case SPRO_REG_MOVE: {
struct scsi_per_res_reg_move *reg_move;
uint8_t *bufptr;
reg_move = (struct scsi_per_res_reg_move *)res_buf;
scsi_u64to8b(key, reg_move->res_key.key);
scsi_u64to8b(sa_key, reg_move->serv_act_res_key);
if (unreg != 0)
reg_move->flags |= SPR_REG_MOVE_UNREG;
if (aptpl != 0)
reg_move->flags |= SPR_REG_MOVE_APTPL;
scsi_ulto2b(rel_tgt_port, reg_move->rel_trgt_port_id);
id = STAILQ_FIRST(&transport_id_list);
/*
* This shouldn't happen, since we already checked
* the number of IDs above.
*/
if (id == NULL) {
warnx("%s: No transport IDs found!", __func__);
error = 1;
goto bailout;
}
bufptr = (uint8_t *)&reg_move[1];
bcopy(id->hdr, bufptr, id->alloc_len);
scsi_ulto4b(id->alloc_len,
reg_move->transport_id_length);
break;
}
default:
break;
}
scsi_persistent_reserve_out(&ccb->csio,
/*retries*/ retry_count,
/*cbfcnp*/ NULL,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*service_action*/ action,
/*scope*/ scope,
/*res_type*/ res_type,
/*data_ptr*/ res_buf,
/*dxfer_len*/ res_len,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ?timeout :5000);
}
/* Disable freezing the device queue */
ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
if (err_recover != 0)
ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
if (cam_send_ccb(device, ccb) < 0) {
warn("error sending PERSISTENT RESERVE %s", (in != 0) ?
"IN" : "OUT");
if (verbosemode != 0) {
cam_error_print(device, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
}
error = 1;
goto bailout;
}
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
if (verbosemode != 0) {
cam_error_print(device, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
}
error = 1;
goto bailout;
}
if (in == 0)
goto bailout;
valid_len = res_len - ccb->csio.resid;
switch (action) {
case SPRI_RK:
case SPRI_RR:
case SPRI_RS: {
struct scsi_per_res_in_header *hdr;
uint32_t hdr_len;
if (valid_len < sizeof(*hdr)) {
warnx("%s: only got %d valid bytes, need %zd",
__func__, valid_len, sizeof(*hdr));
error = 1;
goto bailout;
}
hdr = (struct scsi_per_res_in_header *)res_buf;
hdr_len = scsi_4btoul(hdr->length);
if (hdr_len > (res_len - sizeof(*hdr))) {
res_len = hdr_len + sizeof(*hdr);
goto retry;
}
if (action == SPRI_RK) {
persist_print_keys(hdr, valid_len);
} else if (action == SPRI_RR) {
persist_print_res(hdr, valid_len);
} else {
persist_print_full(hdr, valid_len);
}
break;
}
case SPRI_RC: {
struct scsi_per_res_cap *cap;
uint32_t cap_len;
if (valid_len < sizeof(*cap)) {
warnx("%s: only got %u valid bytes, need %zd",
__func__, valid_len, sizeof(*cap));
error = 1;
goto bailout;
}
cap = (struct scsi_per_res_cap *)res_buf;
cap_len = scsi_2btoul(cap->length);
if (cap_len != sizeof(*cap)) {
/*
* We should be able to deal with this,
* it's just more trouble.
*/
warnx("%s: reported size %u is different "
"than expected size %zd", __func__,
cap_len, sizeof(*cap));
}
/*
* If there is more data available, grab it all,
* even though we don't really know what to do with
* the extra data since it obviously wasn't in the
* spec when this code was written.
*/
if (cap_len > res_len) {
res_len = cap_len;
goto retry;
}
persist_print_cap(cap, valid_len);
break;
}
default:
break;
}
bailout:
free(res_buf);
if (ccb != NULL)
cam_freeccb(ccb);
STAILQ_FOREACH_SAFE(id, &transport_id_list, links, id2) {
STAILQ_REMOVE(&transport_id_list, id, persist_transport_id,
links);
free(id);
}
return (error);
}

1042
sys/cam/scsi/scsi_all.c
View File

File diff suppressed because it is too large Load Diff

325
sys/cam/scsi/scsi_all.h
View File

@ -278,6 +278,7 @@ struct scsi_per_res_in
#define SPRI_RS 0x03
u_int8_t reserved[5];
u_int8_t length[2];
#define SPRI_MAX_LEN 0xffff
u_int8_t control;
};
@ -302,18 +303,21 @@ struct scsi_per_res_cap
{
uint8_t length[2];
uint8_t flags1;
#define SPRI_CRH 0x10
#define SPRI_SIP_C 0x08
#define SPRI_ATP_C 0x04
#define SPRI_PTPL_C 0x01
#define SPRI_RLR_C 0x80
#define SPRI_CRH 0x10
#define SPRI_SIP_C 0x08
#define SPRI_ATP_C 0x04
#define SPRI_PTPL_C 0x01
uint8_t flags2;
#define SPRI_TMV 0x80
#define SPRI_ALLOW_MASK 0x70
#define SPRI_ALLOW_0 0x00
#define SPRI_ALLOW_1 0x10
#define SPRI_ALLOW_2 0x20
#define SPRI_ALLOW_3 0x30
#define SPRI_PTPL_A 0x01
#define SPRI_TMV 0x80
#define SPRI_ALLOW_CMD_MASK 0x70
#define SPRI_ALLOW_CMD_SHIFT 4
#define SPRI_ALLOW_NA 0x00
#define SPRI_ALLOW_1 0x10
#define SPRI_ALLOW_2 0x20
#define SPRI_ALLOW_3 0x30
#define SPRI_ALLOW_4 0x40
#define SPRI_PTPL_A 0x01
uint8_t type_mask[2];
#define SPRI_TM_WR_EX_AR 0x8000
#define SPRI_TM_EX_AC_RO 0x4000
@ -327,7 +331,7 @@ struct scsi_per_res_cap
struct scsi_per_res_in_rsrv_data
{
uint8_t reservation[8];
uint8_t obsolete1[4];
uint8_t scope_addr[4];
uint8_t reserved;
uint8_t scopetype;
#define SPRT_WE 0x01
@ -336,7 +340,7 @@ struct scsi_per_res_in_rsrv_data
#define SPRT_EARO 0x06
#define SPRT_WEAR 0x07
#define SPRT_EAAR 0x08
uint8_t obsolete2[2];
uint8_t extent_length[2];
};
struct scsi_per_res_in_rsrv
@ -345,6 +349,26 @@ struct scsi_per_res_in_rsrv
struct scsi_per_res_in_rsrv_data data;
};
struct scsi_per_res_in_full_desc
{
struct scsi_per_res_key res_key;
uint8_t reserved1[4];
uint8_t flags;
#define SPRI_FULL_ALL_TG_PT 0x02
#define SPRI_FULL_R_HOLDER 0x01
uint8_t scopetype;
uint8_t reserved2[4];
uint8_t rel_trgt_port_id[2];
uint8_t additional_length[4];
uint8_t transport_id[];
};
struct scsi_per_res_in_full
{
struct scsi_per_res_in_header header;
struct scsi_per_res_in_full_desc desc[];
};
struct scsi_per_res_out
{
u_int8_t opcode;
@ -357,13 +381,20 @@ struct scsi_per_res_out
#define SPRO_PRE_ABO 0x05
#define SPRO_REG_IGNO 0x06
#define SPRO_REG_MOVE 0x07
#define SPRO_REPL_LOST_RES 0x08
#define SPRO_ACTION_MASK 0x1f
u_int8_t scope_type;
#define SPR_SCOPE_MASK 0xf0
#define SPR_SCOPE_SHIFT 4
#define SPR_LU_SCOPE 0x00
#define SPR_EXTENT_SCOPE 0x10
#define SPR_ELEMENT_SCOPE 0x20
#define SPR_TYPE_MASK 0x0f
#define SPR_TYPE_RD_SHARED 0x00
#define SPR_TYPE_WR_EX 0x01
#define SPR_TYPE_RD_EX 0x02
#define SPR_TYPE_EX_AC 0x03
#define SPR_TYPE_SHARED 0x04
#define SPR_TYPE_WR_EX_RO 0x05
#define SPR_TYPE_EX_AC_RO 0x06
#define SPR_TYPE_WR_EX_AR 0x07
@ -377,15 +408,139 @@ struct scsi_per_res_out_parms
{
struct scsi_per_res_key res_key;
u_int8_t serv_act_res_key[8];
u_int8_t obsolete1[4];
u_int8_t scope_spec_address[4];
u_int8_t flags;
#define SPR_SPEC_I_PT 0x08
#define SPR_ALL_TG_PT 0x04
#define SPR_APTPL 0x01
u_int8_t reserved1;
u_int8_t obsolete2[2];
u_int8_t extent_length[2];
u_int8_t transport_id_list[];
};
struct scsi_per_res_out_trans_ids {
u_int8_t additional_length[4];
u_int8_t transport_ids[];
};
/*
* Used with REGISTER AND MOVE serivce action of the PERSISTENT RESERVE OUT
* command.
*/
struct scsi_per_res_reg_move
{
struct scsi_per_res_key res_key;
u_int8_t serv_act_res_key[8];
u_int8_t reserved;
u_int8_t flags;
#define SPR_REG_MOVE_UNREG 0x02
#define SPR_REG_MOVE_APTPL 0x01
u_int8_t rel_trgt_port_id[2];
u_int8_t transport_id_length[4];
u_int8_t transport_id[];
};
struct scsi_transportid_header
{
uint8_t format_protocol;
#define SCSI_TRN_FORMAT_MASK 0xc0
#define SCSI_TRN_FORMAT_SHIFT 6
#define SCSI_TRN_PROTO_MASK 0x0f
};
struct scsi_transportid_fcp
{
uint8_t format_protocol;
#define SCSI_TRN_FCP_FORMAT_DEFAULT 0x00
uint8_t reserved1[7];
uint8_t n_port_name[8];
uint8_t reserved2[8];
};
struct scsi_transportid_spi
{
uint8_t format_protocol;
#define SCSI_TRN_SPI_FORMAT_DEFAULT 0x00
uint8_t reserved1;
uint8_t scsi_addr[2];
uint8_t obsolete[2];
uint8_t rel_trgt_port_id[2];
uint8_t reserved2[16];
};
struct scsi_transportid_1394
{
uint8_t format_protocol;
#define SCSI_TRN_1394_FORMAT_DEFAULT 0x00
uint8_t reserved1[7];
uint8_t eui64[8];
uint8_t reserved2[8];
};
struct scsi_transportid_rdma
{
uint8_t format_protocol;
#define SCSI_TRN_RDMA_FORMAT_DEFAULT 0x00
uint8_t reserved[7];
#define SCSI_TRN_RDMA_PORT_LEN 16
uint8_t initiator_port_id[SCSI_TRN_RDMA_PORT_LEN];
};
struct scsi_transportid_iscsi_device
{
uint8_t format_protocol;
#define SCSI_TRN_ISCSI_FORMAT_DEVICE 0x00
uint8_t reserved;
uint8_t additional_length[2];
uint8_t iscsi_name[];
};
struct scsi_transportid_iscsi_port
{
uint8_t format_protocol;
#define SCSI_TRN_ISCSI_FORMAT_PORT 0x40
uint8_t reserved;
uint8_t additional_length[2];
uint8_t iscsi_name[];
/*
* Followed by a separator and iSCSI initiator session ID
*/
};
struct scsi_transportid_sas
{
uint8_t format_protocol;
#define SCSI_TRN_SAS_FORMAT_DEFAULT 0x00
uint8_t reserved1[3];
uint8_t sas_address[8];
uint8_t reserved2[12];
};
struct scsi_sop_routing_id_norm {
uint8_t bus;
uint8_t devfunc;
#define SCSI_TRN_SOP_BUS_MAX 0xff
#define SCSI_TRN_SOP_DEV_MAX 0x1f
#define SCSI_TRN_SOP_DEV_MASK 0xf8
#define SCSI_TRN_SOP_DEV_SHIFT 3
#define SCSI_TRN_SOP_FUNC_NORM_MASK 0x07
#define SCSI_TRN_SOP_FUNC_NORM_MAX 0x07
};
struct scsi_sop_routing_id_alt {
uint8_t bus;
uint8_t function;
#define SCSI_TRN_SOP_FUNC_ALT_MAX 0xff
};
struct scsi_transportid_sop
{
uint8_t format_protocol;
#define SCSI_TRN_SOP_FORMAT_DEFAULT 0x00
uint8_t reserved1;
uint8_t routing_id[2];
uint8_t reserved2[20];
};
struct scsi_log_sense
{
@ -602,21 +757,41 @@ struct scsi_info_exceptions_page {
u_int8_t report_count[4];
};
/*
* SCSI protocol identifier values, current as of SPC4r36l.
*/
#define SCSI_PROTO_FC 0x00 /* Fibre Channel */
#define SCSI_PROTO_SPI 0x01 /* Parallel SCSI */
#define SCSI_PROTO_SSA 0x02 /* Serial Storage Arch. */
#define SCSI_PROTO_1394 0x03 /* IEEE 1394 (Firewire) */
#define SCSI_PROTO_RDMA 0x04 /* SCSI RDMA Protocol */
#define SCSI_PROTO_ISCSI 0x05 /* Internet SCSI */
#define SCSI_PROTO_iSCSI 0x05 /* Internet SCSI */
#define SCSI_PROTO_SAS 0x06 /* SAS Serial SCSI Protocol */
#define SCSI_PROTO_ADT 0x07 /* Automation/Drive Int. Trans. Prot.*/
#define SCSI_PROTO_ADITP 0x07 /* Automation/Drive Int. Trans. Prot.*/
#define SCSI_PROTO_ATA 0x08 /* AT Attachment Interface */
#define SCSI_PROTO_UAS 0x09 /* USB Atached SCSI */
#define SCSI_PROTO_SOP 0x0a /* SCSI over PCI Express */
#define SCSI_PROTO_NONE 0x0f /* No specific protocol */
struct scsi_proto_specific_page {
u_int8_t page_code;
#define SPSP_PAGE_SAVABLE 0x80 /* Page is savable */
u_int8_t page_length;
u_int8_t protocol;
#define SPSP_PROTO_FC 0x00
#define SPSP_PROTO_SPI 0x01
#define SPSP_PROTO_SSA 0x02
#define SPSP_PROTO_1394 0x03
#define SPSP_PROTO_RDMA 0x04
#define SPSP_PROTO_ISCSI 0x05
#define SPSP_PROTO_SAS 0x06
#define SPSP_PROTO_ADT 0x07
#define SPSP_PROTO_ATA 0x08
#define SPSP_PROTO_NONE 0x0f
#define SPSP_PROTO_FC SCSI_PROTO_FC
#define SPSP_PROTO_SPI SCSI_PROTO_SPI
#define SPSP_PROTO_SSA SCSI_PROTO_SSA
#define SPSP_PROTO_1394 SCSI_PROTO_1394
#define SPSP_PROTO_RDMA SCSI_PROTO_RDMA
#define SPSP_PROTO_ISCSI SCSI_PROTO_ISCSI
#define SPSP_PROTO_SAS SCSI_PROTO_SAS
#define SPSP_PROTO_ADT SCSI_PROTO_ADITP
#define SPSP_PROTO_ATA SCSI_PROTO_ATA
#define SPSP_PROTO_UAS SCSI_PROTO_UAS
#define SPSP_PROTO_SOP SCSI_PROTO_SOP
#define SPSP_PROTO_NONE SCSI_PROTO_NONE
};
struct scsi_reserve
@ -1414,15 +1589,9 @@ struct scsi_vpd_device_id
struct scsi_vpd_id_descriptor
{
u_int8_t proto_codeset;
#define SCSI_PROTO_FC 0x00
#define SCSI_PROTO_SPI 0x01
#define SCSI_PROTO_SSA 0x02
#define SCSI_PROTO_1394 0x03
#define SCSI_PROTO_RDMA 0x04
#define SCSI_PROTO_ISCSI 0x05
#define SCSI_PROTO_SAS 0x06
#define SCSI_PROTO_ADT 0x07
#define SCSI_PROTO_ATA 0x08
/*
* See the SCSI_PROTO definitions above for the protocols.
*/
#define SVPD_ID_PROTO_SHIFT 4
#define SVPD_ID_CODESET_BINARY 0x01
#define SVPD_ID_CODESET_ASCII 0x02
@ -2319,6 +2488,22 @@ typedef enum {
SSS_FLAG_PRINT_COMMAND = 0x01
} scsi_sense_string_flags;
struct scsi_nv {
const char *name;
uint64_t value;
};
typedef enum {
SCSI_NV_FOUND,
SCSI_NV_AMBIGUOUS,
SCSI_NV_NOT_FOUND
} scsi_nv_status;
typedef enum {
SCSI_NV_FLAG_NONE = 0x00,
SCSI_NV_FLAG_IG_CASE = 0x01 /* Case insensitive comparison */
} scsi_nv_flags;
struct ccb_scsiio;
struct cam_periph;
union ccb;
@ -2460,6 +2645,64 @@ struct scsi_vpd_id_descriptor *
scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len,
scsi_devid_checkfn_t ck_fn);
int scsi_transportid_sbuf(struct sbuf *sb,
struct scsi_transportid_header *hdr,
uint32_t valid_len);
const char * scsi_nv_to_str(struct scsi_nv *table, int num_table_entries,
uint64_t value);
scsi_nv_status scsi_get_nv(struct scsi_nv *table, int num_table_entries,
char *name, int *table_entry, scsi_nv_flags flags);
int scsi_parse_transportid_64bit(int proto_id, char *id_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str, int error_str_len);
int scsi_parse_transportid_spi(char *id_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str, int error_str_len);
int scsi_parse_transportid_rdma(char *id_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str, int error_str_len);
int scsi_parse_transportid_iscsi(char *id_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str,int error_str_len);
int scsi_parse_transportid_sop(char *id_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str,int error_str_len);
int scsi_parse_transportid(char *transportid_str,
struct scsi_transportid_header **hdr,
unsigned int *alloc_len,
#ifdef _KERNEL
struct malloc_type *type, int flags,
#endif
char *error_str, int error_str_len);
void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *,
union ccb *),
@ -2655,6 +2898,20 @@ void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
u_int8_t tag_action, int start, int load_eject,
int immediate, u_int8_t sense_len, u_int32_t timeout);
void scsi_persistent_reserve_in(struct ccb_scsiio *csio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *,union ccb *),
uint8_t tag_action, int service_action,
uint8_t *data_ptr, uint32_t dxfer_len,
int sense_len, int timeout);
void scsi_persistent_reserve_out(struct ccb_scsiio *csio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *,
union ccb *),
uint8_t tag_action, int service_action,
int scope, int res_type, uint8_t *data_ptr,
uint32_t dxfer_len, int sense_len,
int timeout);
int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
int scsi_static_inquiry_match(caddr_t inqbuffer,
caddr_t table_entry);