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| author | greg@kroah.com <greg@kroah.com> | 2004-03-10 22:38:58 -0800 |
|---|---|---|
| committer | Greg KH <gregkh@suse.de> | 2005-04-26 21:35:09 -0700 |
| commit | 49f9acf3844aa5c004b5794e919bd54166e53227 (patch) | |
| tree | 0a158c6290d818727c31b09078300665a386c9e8 | |
| parent | e41016d3547ef704c0785ba197d36ef69de51260 (diff) | |
[PATCH] deleted current extras/multipath directory
25 files changed, 0 insertions, 4225 deletions
diff --git a/extras/multipath/AUTHOR b/extras/multipath/AUTHOR deleted file mode 100644 index 4e8eeef5c8..0000000000 --- a/extras/multipath/AUTHOR +++ /dev/null @@ -1 +0,0 @@ -Christophe Varoqui, <christophe.varoqui@free.fr> diff --git a/extras/multipath/COPYING b/extras/multipath/COPYING deleted file mode 100644 index 9e31bbf0b3..0000000000 --- a/extras/multipath/COPYING +++ /dev/null @@ -1,483 +0,0 @@ - - GNU LIBRARY GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1991 Free Software Foundation, Inc. - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - -[This is the first released version of the library GPL. It is - numbered 2 because it goes with version 2 of the ordinary GPL.] - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the - library `Frob' (a library for tweaking knobs) written by James Random Hacker. - - <signature of Ty Coon>, 1 April 1990 - Ty Coon, President of Vice - -That's all there is to it! diff --git a/extras/multipath/ChangeLog b/extras/multipath/ChangeLog deleted file mode 100644 index a2863ec23e..0000000000 --- a/extras/multipath/ChangeLog +++ /dev/null @@ -1,126 +0,0 @@ -2004-02-21 multipath-018 - * From the Debian SID inclusion review (Philipp Matthias Hahn) - * use DESTDIR install prefix in the Makefile - * add man pages for devmap_name & multipath - * correct libsysfs.h includes - * fork the hotplug script in its own shell - * Sync with the kernel device mapper code as of 2.6.3-udm3 - ie. Remove the test interval parameter and its uses - * Remove superfluous scsi parameter passed from hotplug - * Add the man pages to the [un]install targets -2004-02-17 multipath-017 - * remove the restrictive -f flag. - Introduce a more generic "-m iopolicy" one. - * remove useless "int with_sysfs" in env struct -2004-02-04 multipath-016 - * add a GROUP_BY_SERIAL flag. This should be useful for - controlers that activate they spare paths on simple IO - submition with a penalty. The StorageWorks HW defaults to - this mode, even if the MULTIBUS mode is OK. - * remove unused sg_err.c - * big restructuring : split devinfo.c from main.c. Export : - * void basename (char *, char *); - * int get_serial (int, char *); - * int get_lun_strings (char *, char *, char *, char *); - * int get_evpd_wwid(char *, char *); - * long get_disk_size (char *); - * stop passing struct env as param - * add devmap_name proggy for udev to name devmaps as per their - internal DM name and not only by their sysfs enum name (dm-*) - The corresponding udev.rules line is : - KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK="%c" - * remove make_dm_node fn & call. Rely on udev for this. - * don't rely on the linux symlink in the udev/klibc dir since - udev build doesn't use it anymore. This corrects build breakage -2004-01-19 multipath-013 - * update the DM target synthax to the 2.6.0-udm5 style -2003-12-29 multipath-012 - * check hotplug event refers to a block device; if not exit early - * refresh doc - * add the uninstall target in Makefile -2003-12-22 multipath-010 - * tweak the install target in Makefile - * stop passing fds as argument : this change enable a strict - segregation of ugly 2.4 code - * sysfs version of get_lun_strings() - * be careful about the return of get_unique_id() since errors - formerly caught up by if(open()) in the caller fn are now returned - by get_unique_id() - * send get_serial() in unused.c - * introduce dm-simplecmd for RESUME & SUSPEND requests - * split add_map() in setup_map() & dm-addmap() - * setup_map() correctly submits "SUSPEND-RELOAD-RESUME or CREATE" - sequences instead of the bogus "RELOAD or CREATE" - * don't print .sg_dev if equal to .dev (2.6) in print_path() - * since the kernel code handles defective paths, remove all - code to cope with them : - * move do_tur() to unused.c - * remove .state from path struct - * remove .state settings & conditionals - * add a cmdline switch to force maps to failover mode, - ie 1 path per priority group - * add default policies to the whitelist array (spread io == - MULTIBUS / io forced to 1 path == FAILOVER) - * move get_disk_size() call out of add_map() to coalesce() - * comment tricky coalesce() fn - * bogus unsused.c file renamed to unused.c -2003-12-20 multipath-010 - * big ChangeLog update - * start to give a little control over target params : - introduce cmdline arg -i to control polling interval - * cope with hotplug-style calling convention : - ie "multipath scsi $DEVPATH" ... to avoid messing with - online maps not concerned by an event - * example hotplug agent to drop in /etc/hotplug.d/scsi - * revert the run & resched patch : unless someone proves me - wrong, this was overdesigned - * move commented out functions in unused.c - * update multipath target params to "udm[23] style" - * mp target now supports nr_path == 1, so do we - * add gratuitous free() - * push version forward -2003-12-15 multipath-009 - * Make the HW-specific get_unique_id switch pretty - * Prepare to field-test by whitelisting all known fibre array, - try to fetch WWID from the standard EVPD 0x83 off 8 for everyone - * configure the multipath target with round-robin path selector and - conservative default for a start (udm1 style) : - yes it makes this release the firstreally useful one. - * temporarily disable map creation for single path device - due to current restrictive defaults in the kernel target. - Sistina should work it out. - * correct the strncmp logic in blacklist function. - * update the Makefiles to autodetect libgcc.a & gcc includes - "ulibc-style". Factorisation of udevdirs & others niceties - * drop a hint about absent /dev/sd? on failed open() - * implement a reschedule flag in /var/run. - Last thing the prog do before exit is check if a call to multipath - was done (but canceled by /var/run/multipath.run check) during its - execution. If so restart themain loop. - * implement a blacklist of sysfs bdev to not bother with for now - (hd,md, dm, sr, scd, ram, raw). - This avoid sending SG_IO to unappropiate devices. - * Adds a /var/run/multipath.run handling to avoid simultaneous runs. - * Remove a commented-out "printf" - * drop a libdevmapper copy in extras/multipath; - maybe discussions w/Sistina folks will bring a better solution in the future. - * drop a putchar usage in libdevmapper to compile cleanly with klibc - * drop another such usage of my own in main.c - * massage the Makefile to compile libdevmapper against klibc - * use "ld" to produce the binary rather than "gcc -static" - * stop being stupid w/ uneeded major, minor & dev in main.c:dm_mk_node() - * reverse to creating striped target for now because the multipath target - is more hairy than expected initialy - * push the version code to 009 to be in synch w/ udev -2003-11-27 multipath-007 - * removes sg_err.[ch] deps - * makes sure the core code play nice with klibc - * port the sysfs calls to dlist helpers - * links against udev's sysfs (need libsysfs.a & dlist.a) - * finally define DM_TARGET as "multipath" as Joe posted the code today (not tested yet) - * push version forward (do you want it in sync with udev version?) -2003-11-19 - * merged in udev-006 tree -2003-09-18 Christophe Varoqui <christophe.varoqui@free.fr> - * multipath 0.0.1 released. - * Initial release. diff --git a/extras/multipath/Makefile b/extras/multipath/Makefile deleted file mode 100644 index ee7f60e472..0000000000 --- a/extras/multipath/Makefile +++ /dev/null @@ -1,80 +0,0 @@ -# Makefile -# -# Copyright (C) 2003 Christophe Varoqui, <christophe.varoqui@free.fr> - -EXEC = multipath - -prefix = -exec_prefix = ${prefix} -bindir = ${exec_prefix}/sbin -udevdir = ../.. -klibcdir = $(udevdir)/klibc -sysfsdir = $(udevdir)/libsysfs -mandir = /usr/share/man/man8 - -CC = gcc -GZIP = /bin/gzip -c - -GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"} -KERNEL_DIR = /lib/modules/${shell uname -r}/build -CFLAGS = -pipe -g -O2 -Wall -Wunused -Wstrict-prototypes -nostdinc \ - -I$(klibcdir)/klibc/include -I$(klibcdir)/klibc/include/bits32 \ - -I$(GCCINCDIR) -I$(KERNEL_DIR)/include -I$(sysfsdir) -I. - -OBJS = devinfo.o main.o -CRT0 = ../../klibc/klibc/crt0.o -LIB = ../../klibc/klibc/libc.a -LIBGCC := $(shell $(CC) -print-libgcc-file-name ) - -DMOBJS = libdevmapper/libdm-common.o libdevmapper/ioctl/libdevmapper.o -SYSFSOBJS = ../../libsysfs/dlist.o ../../libsysfs/sysfs_bus.o \ - ../../libsysfs/sysfs_class.o ../../libsysfs/sysfs_device.o \ - ../../libsysfs/sysfs_dir.o ../../libsysfs/sysfs_driver.o \ - ../../libsysfs/sysfs_utils.o - -SUBDIRS = libdevmapper - -recurse: - @for dir in $(SUBDIRS); do\ - $(MAKE) KERNEL_DIR=$(KERNEL_DIR) -C $$dir ; \ - done - $(MAKE) $(EXEC) - $(MAKE) devmap_name - -all: recurse - @echo "" - @echo "Make complete" - -$(EXEC): $(OBJS) - $(LD) -o $(EXEC) $(CRT0) $(OBJS) $(SYSFSOBJS) $(DMOBJS) $(LIB) $(LIBGCC) - strip $(EXEC) - $(GZIP) $(EXEC).8 > $(EXEC).8.gz - -devmap_name: devmap_name.o - $(LD) -o devmap_name $(CRT0) devmap_name.o $(DMOBJS) $(LIB) $(LIBGCC) - strip devmap_name - $(GZIP) devmap_name.8 > devmap_name.8.gz - -clean: - rm -f core *.o $(EXEC) devmap_name *.gz - $(MAKE) -C libdevmapper clean - -install: - install -d $(DESTDIR)$(bindir) - install -m 755 $(EXEC) $(DESTDIR)$(bindir)/ - install -m 755 devmap_name $(DESTDIR)$(bindir)/ - install -d $(DESTDIR)/etc/hotplug.d/scsi/ - install -m 755 multipath.hotplug $(DESTDIR)/etc/hotplug.d/scsi/ - install -d $(DESTDIR)$(mandir) - install -m 644 devmap_name.8.gz $(DESTDIR)$(mandir) - install -m 644 multipath.8.gz $(DESTDIR)$(mandir) - -uninstall: - rm $(DESTDIR)/etc/hotplug.d/scsi/multipath.hotplug - rm $(DESTDIR)$(bindir)/$(EXEC) - rm $(DESTDIR)$(bindir)/devmap_name - rm $(DESTDIR)$(mandir)/devmap_name.8.gz - rm $(DESTDIR)$(mandir)/multipath.8.gz - -# Code dependencies -main.o: main.c main.h sg_include.h devinfo.h diff --git a/extras/multipath/README b/extras/multipath/README deleted file mode 100644 index 80945db438..0000000000 --- a/extras/multipath/README +++ /dev/null @@ -1,90 +0,0 @@ -Dependancies : -============== - -o libdevmapper : comes with device-mapper-XXXX.tar.gz - See www.sistina.com - This lib has been dropped in the multipath tree -o libsysfs : comes with sysutils or udev - See ftp.kernel.org/pub/linux/utils/kernel/hotplug/ -o Linux kernel 2.6.0 with udm5 patchset - http://people.sistina.com/~thornber/dm/ -o udev - See ftp.kernel.org/pub/linux/utils/kernel/hotplug/ - -How it works : -============== - -Fill the all_paths array. Each path store this info : - -struct path { - char dev[FILE_NAME_SIZE]; - char sg_dev[FILE_NAME_SIZE]; - struct scsi_idlun scsi_id; - struct sg_id sg_id; - int state; - char wwid[WWID_SIZE]; -}; - -scsi_id, sg_dev and sg_id are only really useful for 2.4 -kernels, for which SG cmnds must go through sg devs. -In 2.5+ we have the nice opportunity to send SG cmnds -through SCSI bdevs. - -For 2.4 compat, we pivot on idlun tupple to map sg devs -to SCSI bdevs. - -2.4 does not do device enumeration, so we must scan a -defined number of sg devs and scsi bdevs. Good enough. -In 2.5+, we rely on libsysfs (sysutils) to access to -sysfs device enums. - -the wwid is retrieved by a switch fonction. Only White -Listed HW can filled this field. For now every FC array -HW listed in kernel's devinfo.c is White Listed, assuming -the WWID is stored is the SCSI-3 standard 0x83 EVPD page. - -When all_paths is filled, we coalesce the paths and store -the result in mp array. Each mp is a struct like this : - -struct multipath { - char wwid[WWID_SIZE]; - int npaths; - int pindex[MAX_MP_PATHS]; -}; - -When mp is filled, the device maps are fed to the kernel -through libdevmapper. - -The naming of the corresponding block device is handeld -by udev with the help of the devmap_name proggy. It is -called by the following rule in /etc/udev/udev.rules : -KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", \ -NAME="%k", SYMLINK="%c" - -Notes : -======= - -o On 2.4, make sure you have enough /dev/sg* nodes - (/dev/MAKEDEV if necesary). Same goes for /dev/sd* - -o path coalescing relies on a path unique id being found. - This unique id, lacking a standard method, is vendor - specific. A switch function (get_unique_id) is present - and an example function is provided for storageworks - arrays (get_evpd_wwid). Feel free to enrich - with hardware you have at hand :) - -o The kernel does NOT manage properly ghosts paths - with StorageWorks HW. Seems nobody cares after a load - of posts to linux-scsi. - -o 2.4.21 version of DM does not like even segment size. - if you enconter pbs with this, upgrade DM. - -Credits : -========= - -o Heavy cut'n paste from sg_utils. Thanks goes to D. - Gilbert. -o Light cut'n paste from dmsetup. Thanks Joe Thornber. -o Greg KH for the nice sysfs API. diff --git a/extras/multipath/VERSION b/extras/multipath/VERSION deleted file mode 100644 index bbdeab6222..0000000000 --- a/extras/multipath/VERSION +++ /dev/null @@ -1 +0,0 @@ -0.0.5 diff --git a/extras/multipath/devinfo.c b/extras/multipath/devinfo.c deleted file mode 100644 index 323da2f2f0..0000000000 --- a/extras/multipath/devinfo.c +++ /dev/null @@ -1,204 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sysfs/libsysfs.h> -#include "devinfo.h" -#include "sg_include.h" - -#define FILE_NAME_SIZE 255 - -void -basename(char * str1, char * str2) -{ - char *p = str1 + (strlen(str1) - 1); - - while (*--p != '/') - continue; - strcpy(str2, ++p); -} - -static int -do_inq(int sg_fd, int cmddt, int evpd, unsigned int pg_op, - void *resp, int mx_resp_len, int noisy) -{ - unsigned char inqCmdBlk[INQUIRY_CMDLEN] = - { INQUIRY_CMD, 0, 0, 0, 0, 0 }; - unsigned char sense_b[SENSE_BUFF_LEN]; - struct sg_io_hdr io_hdr; - - if (cmddt) - inqCmdBlk[1] |= 2; - if (evpd) - inqCmdBlk[1] |= 1; - inqCmdBlk[2] = (unsigned char) pg_op; - inqCmdBlk[4] = (unsigned char) mx_resp_len; - memset(&io_hdr, 0, sizeof (struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmd_len = sizeof (inqCmdBlk); - io_hdr.mx_sb_len = sizeof (sense_b); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.dxfer_len = mx_resp_len; - io_hdr.dxferp = resp; - io_hdr.cmdp = inqCmdBlk; - io_hdr.sbp = sense_b; - io_hdr.timeout = DEF_TIMEOUT; - - if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) { - perror("SG_IO (inquiry) error"); - return -1; - } - - /* treat SG_ERR here to get rid of sg_err.[ch] */ - io_hdr.status &= 0x7e; - if ((0 == io_hdr.status) && (0 == io_hdr.host_status) && - (0 == io_hdr.driver_status)) - return 0; - if ((SCSI_CHECK_CONDITION == io_hdr.status) || - (SCSI_COMMAND_TERMINATED == io_hdr.status) || - (SG_ERR_DRIVER_SENSE == (0xf & io_hdr.driver_status))) { - if (io_hdr.sbp && (io_hdr.sb_len_wr > 2)) { - int sense_key; - unsigned char * sense_buffer = io_hdr.sbp; - if (sense_buffer[0] & 0x2) - sense_key = sense_buffer[1] & 0xf; - else - sense_key = sense_buffer[2] & 0xf; - if(RECOVERED_ERROR == sense_key) - return 0; - } - } - return -1; -} - -int -get_serial (char * str, char * devname) -{ - int fd; - int len; - char buff[MX_ALLOC_LEN + 1]; - - if ((fd = open(devname, O_RDONLY)) < 0) - return 0; - - if (0 == do_inq(fd, 0, 1, 0x80, buff, MX_ALLOC_LEN, 0)) { - len = buff[3]; - if (len > 0) { - memcpy(str, buff + 4, len); - buff[len] = '\0'; - } - close(fd); - return 1; - } - close(fd); - return 0; -} - -int -get_lun_strings(char * vendor_id, char * product_id, char * rev, char * devname) -{ - int fd; - char buff[36]; - char attr_path[FILE_NAME_SIZE]; - char sysfs_path[FILE_NAME_SIZE]; - char basedev[FILE_NAME_SIZE]; - - if (0 == sysfs_get_mnt_path(sysfs_path, FILE_NAME_SIZE)) { - /* sysfs style */ - basename(devname, basedev); - - sprintf(attr_path, "%s/block/%s/device/vendor", - sysfs_path, basedev); - if (0 > sysfs_read_attribute_value(attr_path, - vendor_id, 8)) return 0; - - sprintf(attr_path, "%s/block/%s/device/model", - sysfs_path, basedev); - if (0 > sysfs_read_attribute_value(attr_path, - product_id, 16)) return 0; - - sprintf(attr_path, "%s/block/%s/device/rev", - sysfs_path, basedev); - if (0 > sysfs_read_attribute_value(attr_path, - rev, 4)) return 0; - } else { - /* ioctl style */ - if ((fd = open(devname, O_RDONLY)) < 0) - return 0; - if (0 != do_inq(fd, 0, 0, 0, buff, 36, 1)) - return 0; - memcpy(vendor_id, &buff[8], 8); - memcpy(product_id, &buff[16], 16); - memcpy(rev, &buff[32], 4); - close(fd); - return 1; - } - return 0; -} - -static void -sprint_wwid(char * buff, const char * str) -{ - int i; - const char *p; - char *cursor; - unsigned char c; - - p = str; - cursor = buff; - for (i = 0; i <= WWID_SIZE / 2 - 1; i++) { - c = *p++; - sprintf(cursor, "%.2x", (int) (unsigned char) c); - cursor += 2; - } - buff[WWID_SIZE - 1] = '\0'; -} - -/* get EVPD page 0x83 off 8 */ -/* tested ok with StorageWorks */ -int -get_evpd_wwid(char * devname, char * wwid) -{ - int fd; - char buff[64]; - - if ((fd = open(devname, O_RDONLY)) < 0) - return 0; - - if (0 == do_inq(fd, 0, 1, 0x83, buff, sizeof (buff), 1)) { - sprint_wwid(wwid, &buff[8]); - close(fd); - return 1; /* success */ - } - close(fd); - return 0; /* not good */ -} - -long -get_disk_size (char * devname) { - long size; - int fd; - char attr_path[FILE_NAME_SIZE]; - char sysfs_path[FILE_NAME_SIZE]; - char buff[FILE_NAME_SIZE]; - char basedev[FILE_NAME_SIZE]; - - if (0 == sysfs_get_mnt_path(sysfs_path, FILE_NAME_SIZE)) { - basename(devname, basedev); - sprintf(attr_path, "%s/block/%s/size", - sysfs_path, basedev); - if (0 > sysfs_read_attribute_value(attr_path, buff, - FILE_NAME_SIZE * sizeof(char))) - return -1; - size = atoi(buff); - return size; - } else { - if ((fd = open(devname, O_RDONLY)) < 0) - return -1; - if(!ioctl(fd, BLKGETSIZE, &size)) - return size; - } - return -1; -} - diff --git a/extras/multipath/devinfo.h b/extras/multipath/devinfo.h deleted file mode 100644 index 53f2473027..0000000000 --- a/extras/multipath/devinfo.h +++ /dev/null @@ -1,19 +0,0 @@ -#define INQUIRY_CMDLEN 6 -#define INQUIRY_CMD 0x12 -#define SENSE_BUFF_LEN 32 -#define DEF_TIMEOUT 60000 -#define RECOVERED_ERROR 0x01 -#define MX_ALLOC_LEN 255 -#define WWID_SIZE 33 -#define BLKGETSIZE _IO(0x12,96) - -/* exerpt from "sg_err.h" */ -#define SCSI_CHECK_CONDITION 0x2 -#define SCSI_COMMAND_TERMINATED 0x22 -#define SG_ERR_DRIVER_SENSE 0x08 - -void basename (char *, char *); -int get_serial (char *, char *); -int get_lun_strings (char *, char *, char *, char *); -int get_evpd_wwid(char *, char *); -long get_disk_size (char *); diff --git a/extras/multipath/devmap_name.8 b/extras/multipath/devmap_name.8 deleted file mode 100644 index f4f03c3ec6..0000000000 --- a/extras/multipath/devmap_name.8 +++ /dev/null @@ -1,30 +0,0 @@ -.TH DEVMAP_NAME 8 "February 2004" "" "Linux Administrator's Manual" -.SH NAME -devmap_name \- Query device-mapper name -.SH SYNOPSIS -.BI devmap_name " major minor" -.SH DESCRIPTION -.B devmap_name -queries the device-mapper for the name for the device -specified by -.I major -and -.I minor -number. -.br -.B devmap_name -can be called from -.B udev -by the following rule in -.IR /etc/udev/udev.rules : -.sp -.nf -KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", \\ - NAME="%k", SYMLINK="%c" -.fi -.SH "SEE ALSO" -.BR udev (8), -.BR dmsetup (8) -.SH AUTHORS -.B devmap_name -was developed by Christophe Varoqui, <christophe.varoqui@free.fr> and others. diff --git a/extras/multipath/devmap_name.c b/extras/multipath/devmap_name.c deleted file mode 100644 index 08e526e072..0000000000 --- a/extras/multipath/devmap_name.c +++ /dev/null @@ -1,60 +0,0 @@ -#include "libdevmapper/libdevmapper.h" - -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <linux/kdev_t.h> - -static void usage(char * progname) { - fprintf(stderr, "usage : %s major minor\n", progname); - exit(1); -} - -int main(int argc, char **argv) -{ - int r = 0; - struct dm_names *names; - unsigned next = 0; - int major, minor; - - /* sanity check */ - if (argc != 3) - usage(argv[0]); - - major = atoi(argv[1]); - minor = atoi(argv[2]); - - struct dm_task *dmt; - - if (!(dmt = dm_task_create(DM_DEVICE_LIST))) - return 0; - - if (!dm_task_run(dmt)) - goto out; - - if (!(names = dm_task_get_names(dmt))) - goto out; - - if (!names->dev) { - printf("No devices found\n"); - goto out; - } - - do { - names = (void *) names + next; - if ((int) MAJOR(names->dev) == major && - (int) MINOR(names->dev) == minor) { - printf("%s\n", names->name); - goto out; - } - next = names->next; - } while (next); - - /* No correspondance found */ - r = 1; - - out: - dm_task_destroy(dmt); - return r; -} - diff --git a/extras/multipath/libdevmapper/Makefile b/extras/multipath/libdevmapper/Makefile deleted file mode 100644 index a05a31e85a..0000000000 --- a/extras/multipath/libdevmapper/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -# Makefile -# -# Copyright (C) 2003 Christophe Varoqui, <christophe.varoqui@free.fr> - -CC = gcc -udevdir = ../../.. -klibcdir = $(udevdir)/klibc - -CC = gcc -GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"} -CFLAGS = -pipe -g -O2 -Wall -Wunused -Wstrict-prototypes -nostdinc \ - -I$(klibcdir)/klibc/include -I$(klibcdir)/klibc/include/bits32 \ - -I$(GCCINCDIR) -I$(KERNEL_DIR)/include -I. -Iioctl - -OBJS = ioctl/libdevmapper.o libdm-common.o - -all: $(OBJS) - @echo "" - @echo "Make complete" - -clean: - rm -f core *.o ioctl/*.o ioctl/*.so diff --git a/extras/multipath/libdevmapper/ioctl/libdevmapper.c b/extras/multipath/libdevmapper/ioctl/libdevmapper.c deleted file mode 100644 index ac7ba0c86a..0000000000 --- a/extras/multipath/libdevmapper/ioctl/libdevmapper.c +++ /dev/null @@ -1,1092 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#include "libdm-targets.h" -#include "libdm-common.h" - -#ifdef DM_COMPAT -# include "libdm-compat.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <dirent.h> -#include <errno.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <limits.h> - -#ifdef linux -# include <linux/limits.h> -# include <linux/kdev_t.h> -# include <linux/dm-ioctl.h> -#else -# define MAJOR(x) major((x)) -# define MINOR(x) minor((x)) -# define MKDEV(x,y) makedev((x),(y)) -#endif - -/* - * Ensure build compatibility. - * The hard-coded versions here are the highest present - * in the _cmd_data arrays. - */ - -#if !((DM_VERSION_MAJOR == 1 && DM_VERSION_MINOR >= 0) || \ - (DM_VERSION_MAJOR == 4 && DM_VERSION_MINOR >= 0)) -#error The version of dm-ioctl.h included is incompatible. -#endif - -/* dm major version no for running kernel */ -static int _dm_version = DM_VERSION_MAJOR; -static int _log_suppress = 0; - -static int _control_fd = -1; -static int _version_checked = 0; -static int _version_ok = 1; - -/* - * Support both old and new major numbers to ease the transition. - * Clumsy, but only temporary. - */ -#if DM_VERSION_MAJOR == 4 && defined(DM_COMPAT) -const int _dm_compat = 1; -#else -const int _dm_compat = 0; -#endif - - -/* *INDENT-OFF* */ -static struct cmd_data _cmd_data_v4[] = { - {"create", DM_DEV_CREATE, {4, 0, 0}}, - {"reload", DM_TABLE_LOAD, {4, 0, 0}}, - {"remove", DM_DEV_REMOVE, {4, 0, 0}}, - {"remove_all", DM_REMOVE_ALL, {4, 0, 0}}, - {"suspend", DM_DEV_SUSPEND, {4, 0, 0}}, - {"resume", DM_DEV_SUSPEND, {4, 0, 0}}, - {"info", DM_DEV_STATUS, {4, 0, 0}}, - {"deps", DM_TABLE_DEPS, {4, 0, 0}}, - {"rename", DM_DEV_RENAME, {4, 0, 0}}, - {"version", DM_VERSION, {4, 0, 0}}, - {"status", DM_TABLE_STATUS, {4, 0, 0}}, - {"table", DM_TABLE_STATUS, {4, 0, 0}}, - {"waitevent", DM_DEV_WAIT, {4, 0, 0}}, - {"names", DM_LIST_DEVICES, {4, 0, 0}}, - {"clear", DM_TABLE_CLEAR, {4, 0, 0}}, - {"mknodes", DM_DEV_STATUS, {4, 0, 0}}, -}; -/* *INDENT-ON* */ - -#define ALIGNMENT_V1 sizeof(int) -#define ALIGNMENT 8 - -/* FIXME Rejig library to record & use errno instead */ -#ifndef DM_EXISTS_FLAG -# define DM_EXISTS_FLAG 0x00000004 -#endif - -static void *_align(void *ptr, unsigned int a) -{ - register unsigned long agn = --a; - - return (void *) (((unsigned long) ptr + agn) & ~agn); -} - -static int _open_control(void) -{ - char control[PATH_MAX]; - - if (_control_fd != -1) - return 1; - - snprintf(control, sizeof(control), "%s/control", dm_dir()); - - if ((_control_fd = open(control, O_RDWR)) < 0) { - log_error("%s: open failed: %s", control, strerror(errno)); - log_error("Is device-mapper driver missing from kernel?"); - return 0; - } - - return 1; -} - -void dm_task_destroy(struct dm_task *dmt) -{ - struct target *t, *n; - - for (t = dmt->head; t; t = n) { - n = t->next; - free(t->params); - free(t->type); - free(t); - } - - if (dmt->dev_name) - free(dmt->dev_name); - - if (dmt->newname) - free(dmt->newname); - - if (dmt->dmi.v4) - free(dmt->dmi.v4); - - if (dmt->uuid) - free(dmt->uuid); - - free(dmt); -} - -/* - * Protocol Version 1 compatibility functions. - */ - -#ifdef DM_COMPAT - -static int _dm_task_get_driver_version_v1(struct dm_task *dmt, char *version, - size_t size) -{ - unsigned int *v; - - if (!dmt->dmi.v1) { - version[0] = '\0'; - return 0; - } - - v = dmt->dmi.v1->version; - snprintf(version, size, "%u.%u.%u", v[0], v[1], v[2]); - return 1; -} - -/* Unmarshall the target info returned from a status call */ -static int _unmarshal_status_v1(struct dm_task *dmt, struct dm_ioctl_v1 *dmi) -{ - char *outbuf = (char *) dmi + dmi->data_start; - char *outptr = outbuf; - int32_t i; - struct dm_target_spec_v1 *spec; - - for (i = 0; i < dmi->target_count; i++) { - spec = (struct dm_target_spec_v1 *) outptr; - - if (!dm_task_add_target(dmt, spec->sector_start, - (uint64_t) spec->length, - spec->target_type, - outptr + sizeof(*spec))) - return 0; - - outptr = outbuf + spec->next; - } - - return 1; -} - -static int _dm_format_dev_v1(char *buf, int bufsize, uint32_t dev_major, - uint32_t dev_minor) -{ - int r; - - if (bufsize < 8) - return 0; - - r = snprintf(buf, bufsize, "%03x:%03x", dev_major, dev_minor); - if (r < 0 || r > bufsize - 1) - return 0; - - return 1; -} - -static int _dm_task_get_info_v1(struct dm_task *dmt, struct dm_info *info) -{ - if (!dmt->dmi.v1) - return 0; - - memset(info, 0, sizeof(*info)); - - info->exists = dmt->dmi.v1->flags & DM_EXISTS_FLAG ? 1 : 0; - if (!info->exists) - return 1; - - info->suspended = dmt->dmi.v1->flags & DM_SUSPEND_FLAG ? 1 : 0; - info->read_only = dmt->dmi.v1->flags & DM_READONLY_FLAG ? 1 : 0; - info->target_count = dmt->dmi.v1->target_count; - info->open_count = dmt->dmi.v1->open_count; - info->event_nr = 0; - info->major = MAJOR(dmt->dmi.v1->dev); - info->minor = MINOR(dmt->dmi.v1->dev); - info->live_table = 1; - info->inactive_table = 0; - - return 1; -} - -static const char *_dm_task_get_name_v1(struct dm_task *dmt) -{ - return (dmt->dmi.v1->name); -} - -static const char *_dm_task_get_uuid_v1(struct dm_task *dmt) -{ - return (dmt->dmi.v1->uuid); -} - -static struct dm_deps *_dm_task_get_deps_v1(struct dm_task *dmt) -{ - log_error("deps version 1 no longer supported by libdevmapper"); - return NULL; -} - -static struct dm_names *_dm_task_get_names_v1(struct dm_task *dmt) -{ - return (struct dm_names *) (((void *) dmt->dmi.v1) + - dmt->dmi.v1->data_start); -} - -static void *_add_target_v1(struct target *t, void *out, void *end) -{ - void *out_sp = out; - struct dm_target_spec_v1 sp; - size_t sp_size = sizeof(struct dm_target_spec_v1); - int len; - const char no_space[] = "Ran out of memory building ioctl parameter"; - - out += sp_size; - if (out >= end) { - log_error(no_space); - return NULL; - } - - sp.status = 0; - sp.sector_start = t->start; - sp.length = t->length; - strncpy(sp.target_type, t->type, sizeof(sp.target_type)); - - len = strlen(t->params); - - if ((out + len + 1) >= end) { - log_error(no_space); - - log_error("t->params= '%s'", t->params); - return NULL; - } - strcpy((char *) out, t->params); - out += len + 1; - - /* align next block */ - out = _align(out, ALIGNMENT_V1); - - sp.next = out - out_sp; - - memcpy(out_sp, &sp, sp_size); - - return out; -} - -static struct dm_ioctl_v1 *_flatten_v1(struct dm_task *dmt) -{ - const size_t min_size = 16 * 1024; - const int (*version)[3]; - - struct dm_ioctl_v1 *dmi; - struct target *t; - size_t len = sizeof(struct dm_ioctl_v1); - void *b, *e; - int count = 0; - - for (t = dmt->head; t; t = t->next) { - len += sizeof(struct dm_target_spec_v1); - len += strlen(t->params) + 1 + ALIGNMENT_V1; - count++; - } - - if (count && dmt->newname) { - log_error("targets and newname are incompatible"); - return NULL; - } - - if (dmt->newname) - len += strlen(dmt->newname) + 1; - - /* - * Give len a minimum size so that we have space to store - * dependencies or status information. - */ - if (len < min_size) - len = min_size; - - if (!(dmi = malloc(len))) - return NULL; - - memset(dmi, 0, len); - - version = &_cmd_data_v1[dmt->type].version; - - dmi->version[0] = (*version)[0]; - dmi->version[1] = (*version)[1]; - dmi->version[2] = (*version)[2]; - - dmi->data_size = len; - dmi->data_start = sizeof(struct dm_ioctl_v1); - - if (dmt->dev_name) - strncpy(dmi->name, dmt->dev_name, sizeof(dmi->name)); - - if (dmt->type == DM_DEVICE_SUSPEND) - dmi->flags |= DM_SUSPEND_FLAG; - if (dmt->read_only) - dmi->flags |= DM_READONLY_FLAG; - - if (dmt->minor >= 0) { - if (dmt->major <= 0) { - log_error("Missing major number for persistent device"); - return NULL; - } - dmi->flags |= DM_PERSISTENT_DEV_FLAG; - dmi->dev = MKDEV(dmt->major, dmt->minor); - } - - if (dmt->uuid) - strncpy(dmi->uuid, dmt->uuid, sizeof(dmi->uuid)); - - dmi->target_count = count; - - b = (void *) (dmi + 1); - e = (void *) ((char *) dmi + len); - - for (t = dmt->head; t; t = t->next) - if (!(b = _add_target_v1(t, b, e))) - goto bad; - - if (dmt->newname) - strcpy(b, dmt->newname); - - return dmi; - - bad: - free(dmi); - return NULL; -} - -static int _dm_names_v1(struct dm_ioctl_v1 *dmi) -{ - const char *dev_dir = dm_dir(); - int r = 1, len; - const char *name; - struct dirent *dirent; - DIR *d; - struct dm_names *names, *old_names = NULL; - void *end = (void *) dmi + dmi->data_size; - struct stat buf; - char path[PATH_MAX]; - - if (!(d = opendir(dev_dir))) { - log_error("%s: opendir failed: %s", dev_dir, strerror(errno)); - return 0; - } - - names = (struct dm_names *) ((void *) dmi + dmi->data_start); - - names->dev = 0; /* Flags no data */ - - while ((dirent = readdir(d))) { - name = dirent->d_name; - - if (name[0] == '.' || !strcmp(name, "control")) - continue; - - if (old_names) - old_names->next = (uint32_t) ((void *) names - - (void *) old_names); - snprintf(path, sizeof(path), "%s/%s", dev_dir, name); - if (stat(path, &buf)) { - log_error("%s: stat failed: %s", path, strerror(errno)); - continue; - } - if (!S_ISBLK(buf.st_mode)) - continue; - names->dev = (uint64_t) buf.st_rdev; - names->next = 0; - len = strlen(name); - if (((void *) (names + 1) + len + 1) >= end) { - log_error("Insufficient buffer space for device list"); - r = 0; - break; - } - - strcpy(names->name, name); - - old_names = names; - names = _align((void *) ++names + len + 1, ALIGNMENT); - } - - if (closedir(d)) - log_error("%s: closedir failed: %s", dev_dir, strerror(errno)); - - return r; -} - -static int _dm_task_run_v1(struct dm_task *dmt) -{ - struct dm_ioctl_v1 *dmi; - unsigned int command; - - dmi = _flatten_v1(dmt); - if (!dmi) { - log_error("Couldn't create ioctl argument"); - return 0; - } - - if (!_open_control()) - return 0; - - if ((unsigned) dmt->type >= - (sizeof(_cmd_data_v1) / sizeof(*_cmd_data_v1))) { - log_error("Internal error: unknown device-mapper task %d", - dmt->type); - goto bad; - } - - command = _cmd_data_v1[dmt->type].cmd; - - if (dmt->type == DM_DEVICE_TABLE) - dmi->flags |= DM_STATUS_TABLE_FLAG; - - log_debug("dm %s %s %s %s", _cmd_data_v1[dmt->type].name, dmi->name, - dmi->uuid, dmt->newname ? dmt->newname : ""); - if (dmt->type == DM_DEVICE_LIST) { - if (!_dm_names_v1(dmi)) - goto bad; - } else if (ioctl(_control_fd, command, dmi) < 0) { - if (_log_suppress) - log_verbose("device-mapper ioctl cmd %d failed: %s", - _IOC_NR(command), strerror(errno)); - else - log_error("device-mapper ioctl cmd %d failed: %s", - _IOC_NR(command), strerror(errno)); - goto bad; - } - - switch (dmt->type) { - case DM_DEVICE_CREATE: - add_dev_node(dmt->dev_name, MAJOR(dmi->dev), MINOR(dmi->dev)); - break; - - case DM_DEVICE_REMOVE: - rm_dev_node(dmt->dev_name); - break; - - case DM_DEVICE_RENAME: - rename_dev_node(dmt->dev_name, dmt->newname); - break; - - case DM_DEVICE_MKNODES: - if (dmi->flags & DM_EXISTS_FLAG) - add_dev_node(dmt->dev_name, MAJOR(dmi->dev), - MINOR(dmi->dev)); - else - rm_dev_node(dmt->dev_name); - break; - - case DM_DEVICE_STATUS: - case DM_DEVICE_TABLE: - if (!_unmarshal_status_v1(dmt, dmi)) - goto bad; - break; - - case DM_DEVICE_SUSPEND: - case DM_DEVICE_RESUME: - dmt->type = DM_DEVICE_INFO; - if (!dm_task_run(dmt)) - goto bad; - free(dmi); /* We'll use what info returned */ - return 1; - } - - dmt->dmi.v1 = dmi; - return 1; - - bad: - free(dmi); - return 0; -} - -#endif - -/* - * Protocol Version 4 functions. - */ - -int dm_task_get_driver_version(struct dm_task *dmt, char *version, size_t size) -{ - unsigned int *v; - -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_driver_version_v1(dmt, version, size); -#endif - - if (!dmt->dmi.v4) { - version[0] = '\0'; - return 0; - } - - v = dmt->dmi.v4->version; - snprintf(version, size, "%u.%u.%u", v[0], v[1], v[2]); - return 1; -} - -static int _check_version(char *version, size_t size, int log_suppress) -{ - struct dm_task *task; - int r; - - if (!(task = dm_task_create(DM_DEVICE_VERSION))) { - log_error("Failed to get device-mapper version"); - version[0] = '\0'; - return 0; - } - - if (log_suppress) - _log_suppress = 1; - - r = dm_task_run(task); - dm_task_get_driver_version(task, version, size); - dm_task_destroy(task); - _log_suppress = 0; - - return r; -} - -/* - * Find out device-mapper's major version number the first time - * this is called and whether or not we support it. - */ -int dm_check_version(void) -{ - char libversion[64], dmversion[64]; - const char *compat = ""; - - if (_version_checked) - return _version_ok; - - _version_checked = 1; - - if (_check_version(dmversion, sizeof(dmversion), _dm_compat)) - return 1; - - if (!_dm_compat) - goto bad; - - log_verbose("device-mapper ioctl protocol version %d failed. " - "Trying protocol version 1.", _dm_version); - _dm_version = 1; - if (_check_version(dmversion, sizeof(dmversion), 0)) { - log_verbose("Using device-mapper ioctl protocol version 1"); - return 1; - } - - compat = "(compat)"; - - dm_get_library_version(libversion, sizeof(libversion)); - - log_error("Incompatible libdevmapper %s%s and kernel driver %s", - libversion, compat, dmversion); - - bad: - _version_ok = 0; - return 0; -} - -void *dm_get_next_target(struct dm_task *dmt, void *next, - uint64_t *start, uint64_t *length, - char **target_type, char **params) -{ - struct target *t = (struct target *) next; - - if (!t) - t = dmt->head; - - if (!t) - return NULL; - - *start = t->start; - *length = t->length; - *target_type = t->type; - *params = t->params; - - return t->next; -} - -/* Unmarshall the target info returned from a status call */ -static int _unmarshal_status(struct dm_task *dmt, struct dm_ioctl *dmi) -{ - char *outbuf = (char *) dmi + dmi->data_start; - char *outptr = outbuf; - uint32_t i; - struct dm_target_spec *spec; - - for (i = 0; i < dmi->target_count; i++) { - spec = (struct dm_target_spec *) outptr; - if (!dm_task_add_target(dmt, spec->sector_start, - spec->length, - spec->target_type, - outptr + sizeof(*spec))) - return 0; - - outptr = outbuf + spec->next; - } - - return 1; -} - -int dm_format_dev(char *buf, int bufsize, uint32_t dev_major, - uint32_t dev_minor) -{ - int r; - -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_format_dev_v1(buf, bufsize, dev_major, dev_minor); -#endif - - if (bufsize < 8) - return 0; - - r = snprintf(buf, bufsize, "%03u:%03u", dev_major, dev_minor); - if (r < 0 || r > bufsize - 1) - return 0; - - return 1; -} - -int dm_task_get_info(struct dm_task *dmt, struct dm_info *info) -{ -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_info_v1(dmt, info); -#endif - - if (!dmt->dmi.v4) - return 0; - - memset(info, 0, sizeof(*info)); - - info->exists = dmt->dmi.v4->flags & DM_EXISTS_FLAG ? 1 : 0; - if (!info->exists) - return 1; - - info->suspended = dmt->dmi.v4->flags & DM_SUSPEND_FLAG ? 1 : 0; - info->read_only = dmt->dmi.v4->flags & DM_READONLY_FLAG ? 1 : 0; - info->live_table = dmt->dmi.v4->flags & DM_ACTIVE_PRESENT_FLAG ? 1 : 0; - info->inactive_table = dmt->dmi.v4->flags & DM_INACTIVE_PRESENT_FLAG ? - 1 : 0; - info->target_count = dmt->dmi.v4->target_count; - info->open_count = dmt->dmi.v4->open_count; - info->event_nr = dmt->dmi.v4->event_nr; - info->major = MAJOR(dmt->dmi.v4->dev); - info->minor = MINOR(dmt->dmi.v4->dev); - - return 1; -} - -const char *dm_task_get_name(struct dm_task *dmt) -{ -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_name_v1(dmt); -#endif - - return (dmt->dmi.v4->name); -} - -const char *dm_task_get_uuid(struct dm_task *dmt) -{ -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_uuid_v1(dmt); -#endif - - return (dmt->dmi.v4->uuid); -} - -struct dm_deps *dm_task_get_deps(struct dm_task *dmt) -{ -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_deps_v1(dmt); -#endif - - return (struct dm_deps *) (((void *) dmt->dmi.v4) + - dmt->dmi.v4->data_start); -} - -struct dm_names *dm_task_get_names(struct dm_task *dmt) -{ -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_get_names_v1(dmt); -#endif - - return (struct dm_names *) (((void *) dmt->dmi.v4) + - dmt->dmi.v4->data_start); -} - -int dm_task_set_ro(struct dm_task *dmt) -{ - dmt->read_only = 1; - return 1; -} - -int dm_task_set_newname(struct dm_task *dmt, const char *newname) -{ - if (!(dmt->newname = strdup(newname))) { - log_error("dm_task_set_newname: strdup(%s) failed", newname); - return 0; - } - - return 1; -} - -int dm_task_set_event_nr(struct dm_task *dmt, uint32_t event_nr) -{ - dmt->event_nr = event_nr; - - return 1; -} - -struct target *create_target(uint64_t start, uint64_t len, const char *type, - const char *params) -{ - struct target *t = malloc(sizeof(*t)); - - if (!t) { - log_error("create_target: malloc(%d) failed", sizeof(*t)); - return NULL; - } - - memset(t, 0, sizeof(*t)); - - if (!(t->params = strdup(params))) { - log_error("create_target: strdup(params) failed"); - goto bad; - } - - if (!(t->type = strdup(type))) { - log_error("create_target: strdup(type) failed"); - goto bad; - } - - t->start = start; - t->length = len; - return t; - - bad: - free(t->params); - free(t->type); - free(t); - return NULL; -} - -static void *_add_target(struct target *t, void *out, void *end) -{ - void *out_sp = out; - struct dm_target_spec sp; - size_t sp_size = sizeof(struct dm_target_spec); - int len; - const char no_space[] = "Ran out of memory building ioctl parameter"; - - out += sp_size; - if (out >= end) { - log_error(no_space); - return NULL; - } - - sp.status = 0; - sp.sector_start = t->start; - sp.length = t->length; - strncpy(sp.target_type, t->type, sizeof(sp.target_type)); - - len = strlen(t->params); - - if ((out + len + 1) >= end) { - log_error(no_space); - - log_error("t->params= '%s'", t->params); - return NULL; - } - strcpy((char *) out, t->params); - out += len + 1; - - /* align next block */ - out = _align(out, ALIGNMENT); - - sp.next = out - out_sp; - memcpy(out_sp, &sp, sp_size); - - return out; -} - -static struct dm_ioctl *_flatten(struct dm_task *dmt) -{ - const size_t min_size = 16 * 1024; - const int (*version)[3]; - - struct dm_ioctl *dmi; - struct target *t; - size_t len = sizeof(struct dm_ioctl); - void *b, *e; - int count = 0; - - for (t = dmt->head; t; t = t->next) { - len += sizeof(struct dm_target_spec); - len += strlen(t->params) + 1 + ALIGNMENT; - count++; - } - - if (count && dmt->newname) { - log_error("targets and newname are incompatible"); - return NULL; - } - - if (dmt->newname) - len += strlen(dmt->newname) + 1; - - /* - * Give len a minimum size so that we have space to store - * dependencies or status information. - */ - if (len < min_size) - len = min_size; - - if (!(dmi = malloc(len))) - return NULL; - - memset(dmi, 0, len); - - version = &_cmd_data_v4[dmt->type].version; - - dmi->version[0] = (*version)[0]; - dmi->version[1] = (*version)[1]; - dmi->version[2] = (*version)[2]; - - dmi->data_size = len; - dmi->data_start = sizeof(struct dm_ioctl); - - if (dmt->dev_name) - strncpy(dmi->name, dmt->dev_name, sizeof(dmi->name)); - - if (dmt->type == DM_DEVICE_SUSPEND) - dmi->flags |= DM_SUSPEND_FLAG; - if (dmt->read_only) - dmi->flags |= DM_READONLY_FLAG; - - if (dmt->minor >= 0) { - if (dmt->major <= 0) { - log_error("Missing major number for persistent device"); - return NULL; - } - dmi->flags |= DM_PERSISTENT_DEV_FLAG; - dmi->dev = MKDEV(dmt->major, dmt->minor); - } - - if (dmt->uuid) - strncpy(dmi->uuid, dmt->uuid, sizeof(dmi->uuid)); - - dmi->target_count = count; - dmi->event_nr = dmt->event_nr; - - b = (void *) (dmi + 1); - e = (void *) ((char *) dmi + len); - - for (t = dmt->head; t; t = t->next) - if (!(b = _add_target(t, b, e))) - goto bad; - - if (dmt->newname) - strcpy(b, dmt->newname); - - return dmi; - - bad: - free(dmi); - return NULL; -} - -static int _create_and_load_v4(struct dm_task *dmt) -{ - struct dm_task *task; - int r; - - /* Use new task struct to create the device */ - if (!(task = dm_task_create(DM_DEVICE_CREATE))) { - log_error("Failed to create device-mapper task struct"); - return 0; - } - - /* Copy across relevant fields */ - if (dmt->dev_name && !dm_task_set_name(task, dmt->dev_name)) { - dm_task_destroy(task); - return 0; - } - - if (dmt->uuid && !dm_task_set_uuid(task, dmt->uuid)) { - dm_task_destroy(task); - return 0; - } - - task->major = dmt->major; - task->minor = dmt->minor; - - r = dm_task_run(task); - dm_task_destroy(task); - if (!r) - return r; - - /* Next load the table */ - if (!(task = dm_task_create(DM_DEVICE_RELOAD))) { - log_error("Failed to create device-mapper task struct"); - return 0; - } - - /* Copy across relevant fields */ - if (dmt->dev_name && !dm_task_set_name(task, dmt->dev_name)) { - dm_task_destroy(task); - return 0; - } - - task->read_only = dmt->read_only; - task->head = dmt->head; - task->tail = dmt->tail; - - r = dm_task_run(task); - - task->head = NULL; - task->tail = NULL; - dm_task_destroy(task); - if (!r) - return r; - - /* Use the original structure last so the info will be correct */ - dmt->type = DM_DEVICE_RESUME; - dmt->uuid = NULL; - free(dmt->uuid); - - r = dm_task_run(dmt); - - return r; -} - -int dm_task_run(struct dm_task *dmt) -{ - struct dm_ioctl *dmi = NULL; - unsigned int command; - -#ifdef DM_COMPAT - if (_dm_version == 1) - return _dm_task_run_v1(dmt); -#endif - - if ((unsigned) dmt->type >= - (sizeof(_cmd_data_v4) / sizeof(*_cmd_data_v4))) { - log_error("Internal error: unknown device-mapper task %d", - dmt->type); - goto bad; - } - - command = _cmd_data_v4[dmt->type].cmd; - - /* Old-style creation had a table supplied */ - if (dmt->type == DM_DEVICE_CREATE && dmt->head) - return _create_and_load_v4(dmt); - - if (!_open_control()) - return 0; - - dmi = _flatten(dmt); - if (!dmi) { - log_error("Couldn't create ioctl argument"); - return 0; - } - - if (dmt->type == DM_DEVICE_TABLE) - dmi->flags |= DM_STATUS_TABLE_FLAG; - - dmi->flags |= DM_EXISTS_FLAG; /* FIXME */ - log_debug("dm %s %s %s %s", _cmd_data_v4[dmt->type].name, dmi->name, - dmi->uuid, dmt->newname ? dmt->newname : ""); - if (ioctl(_control_fd, command, dmi) < 0) { - if (errno == ENXIO && ((dmt->type == DM_DEVICE_INFO) || - (dmt->type == DM_DEVICE_MKNODES))) { - dmi->flags &= ~DM_EXISTS_FLAG; /* FIXME */ - goto ignore_error; - } - if (_log_suppress) - log_verbose("device-mapper ioctl cmd %d failed: %s", - _IOC_NR(command), strerror(errno)); - else - log_error("device-mapper ioctl cmd %d failed: %s", - _IOC_NR(command), strerror(errno)); - goto bad; - } - - ignore_error: - switch (dmt->type) { - case DM_DEVICE_CREATE: - add_dev_node(dmt->dev_name, MAJOR(dmi->dev), MINOR(dmi->dev)); - break; - - case DM_DEVICE_REMOVE: - rm_dev_node(dmt->dev_name); - break; - - case DM_DEVICE_RENAME: - rename_dev_node(dmt->dev_name, dmt->newname); - break; - - case DM_DEVICE_MKNODES: - if (dmi->flags & DM_EXISTS_FLAG) - add_dev_node(dmt->dev_name, MAJOR(dmi->dev), - MINOR(dmi->dev)); - else - rm_dev_node(dmt->dev_name); - break; - - case DM_DEVICE_STATUS: - case DM_DEVICE_TABLE: - case DM_DEVICE_WAITEVENT: - if (!_unmarshal_status(dmt, dmi)) - goto bad; - break; - } - - dmt->dmi.v4 = dmi; - return 1; - - bad: - free(dmi); - return 0; -} - -void dm_lib_release(void) -{ - if (_control_fd != -1) { - close(_control_fd); - _control_fd = -1; - } - update_devs(); -} - -void dm_lib_exit(void) -{ - if (_control_fd != -1) { - close(_control_fd); - _control_fd = -1; - } - _version_ok = 1; - _version_checked = 0; -} diff --git a/extras/multipath/libdevmapper/ioctl/libdm-compat.h b/extras/multipath/libdevmapper/ioctl/libdm-compat.h deleted file mode 100644 index af7a9f1f71..0000000000 --- a/extras/multipath/libdevmapper/ioctl/libdm-compat.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#ifndef _LINUX_LIBDM_COMPAT_H -#define _LINUX_LIBDM_COMPAT_H - -#include <inttypes.h> -#include <linux/dm-ioctl.h> -#include <linux/kdev_t.h> -#include <sys/ioctl.h> - -struct dm_task; -struct dm_info; - -/* - * Old versions of structures for backwards compatibility. - */ - -struct dm_ioctl_v1 { - uint32_t version[3]; /* in/out */ - uint32_t data_size; /* total size of data passed in - * including this struct */ - - uint32_t data_start; /* offset to start of data - * relative to start of this struct */ - - int32_t target_count; /* in/out */ - int32_t open_count; /* out */ - uint32_t flags; /* in/out */ - - __kernel_dev_t dev; /* in/out */ - - char name[DM_NAME_LEN]; /* device name */ - char uuid[DM_UUID_LEN]; /* unique identifier for - * the block device */ -}; - -struct dm_target_spec_v1 { - int32_t status; /* used when reading from kernel only */ - uint64_t sector_start; - uint32_t length; - uint32_t next; - - char target_type[DM_MAX_TYPE_NAME]; - -}; - -struct dm_target_deps_v1 { - uint32_t count; - - __kernel_dev_t dev[0]; /* out */ -}; - -enum { - /* Top level cmds */ - DM_VERSION_CMD_V1 = 0, - DM_REMOVE_ALL_CMD_V1, - - /* device level cmds */ - DM_DEV_CREATE_CMD_V1, - DM_DEV_REMOVE_CMD_V1, - DM_DEV_RELOAD_CMD_V1, - DM_DEV_RENAME_CMD_V1, - DM_DEV_SUSPEND_CMD_V1, - DM_DEV_DEPS_CMD_V1, - DM_DEV_STATUS_CMD_V1, - - /* target level cmds */ - DM_TARGET_STATUS_CMD_V1, - DM_TARGET_WAIT_CMD_V1, -}; - -#define DM_VERSION_V1 _IOWR(DM_IOCTL, DM_VERSION_CMD_V1, struct dm_ioctl) -#define DM_REMOVE_ALL_V1 _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD_V1, struct dm_ioctl) - -#define DM_DEV_CREATE_V1 _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD_V1, struct dm_ioctl) -#define DM_DEV_REMOVE_V1 _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD_V1, struct dm_ioctl) -#define DM_DEV_RELOAD_V1 _IOWR(DM_IOCTL, DM_DEV_RELOAD_CMD_V1, struct dm_ioctl) -#define DM_DEV_SUSPEND_V1 _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD_V1, struct dm_ioctl) -#define DM_DEV_RENAME_V1 _IOWR(DM_IOCTL, DM_DEV_RENAME_CMD_V1, struct dm_ioctl) -#define DM_DEV_DEPS_V1 _IOWR(DM_IOCTL, DM_DEV_DEPS_CMD_V1, struct dm_ioctl) -#define DM_DEV_STATUS_V1 _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD_V1, struct dm_ioctl) - -#define DM_TARGET_STATUS_V1 _IOWR(DM_IOCTL, DM_TARGET_STATUS_CMD_V1, struct dm_ioctl) -#define DM_TARGET_WAIT_V1 _IOWR(DM_IOCTL, DM_TARGET_WAIT_CMD_V1, struct dm_ioctl) - -/* *INDENT-OFF* */ -static struct cmd_data _cmd_data_v1[] = { - { "create", DM_DEV_CREATE_V1, {1, 0, 0} }, - { "reload", DM_DEV_RELOAD_V1, {1, 0, 0} }, - { "remove", DM_DEV_REMOVE_V1, {1, 0, 0} }, - { "remove_all", DM_REMOVE_ALL_V1, {1, 0, 0} }, - { "suspend", DM_DEV_SUSPEND_V1, {1, 0, 0} }, - { "resume", DM_DEV_SUSPEND_V1, {1, 0, 0} }, - { "info", DM_DEV_STATUS_V1, {1, 0, 0} }, - { "deps", DM_DEV_DEPS_V1, {1, 0, 0} }, - { "rename", DM_DEV_RENAME_V1, {1, 0, 0} }, - { "version", DM_VERSION_V1, {1, 0, 0} }, - { "status", DM_TARGET_STATUS_V1, {1, 0, 0} }, - { "table", DM_TARGET_STATUS_V1, {1, 0, 0} }, - { "waitevent", DM_TARGET_WAIT_V1, {1, 0, 0} }, - { "names", 0, {4, 0, 0} }, - { "clear", 0, {4, 0, 0} }, - { "mknodes", 0, {4, 0, 0} }, -}; -/* *INDENT-ON* */ - -#endif diff --git a/extras/multipath/libdevmapper/ioctl/libdm-targets.h b/extras/multipath/libdevmapper/ioctl/libdm-targets.h deleted file mode 100644 index a8c0e20547..0000000000 --- a/extras/multipath/libdevmapper/ioctl/libdm-targets.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#ifndef LIB_DMTARGETS_H -#define LIB_DMTARGETS_H - -#include <inttypes.h> - -struct dm_ioctl; -struct dm_ioctl_v1; - -struct target { - uint64_t start; - uint64_t length; - char *type; - char *params; - - struct target *next; -}; - -struct dm_task { - int type; - char *dev_name; - - struct target *head, *tail; - - int read_only; - uint32_t event_nr; - int major; - int minor; - union { - struct dm_ioctl *v4; - struct dm_ioctl_v1 *v1; - } dmi; - char *newname; - - char *uuid; -}; - -struct cmd_data { - const char *name; - const int cmd; - const int version[3]; -}; - -int dm_check_version(void); - -#endif diff --git a/extras/multipath/libdevmapper/libdevmapper.h b/extras/multipath/libdevmapper/libdevmapper.h deleted file mode 100644 index 6549af3641..0000000000 --- a/extras/multipath/libdevmapper/libdevmapper.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#ifndef LIB_DEVICE_MAPPER_H -#define LIB_DEVICE_MAPPER_H - -#include <inttypes.h> -#include <sys/types.h> - -#ifdef linux -# include <linux/types.h> -#endif - -/* - * Since it is quite laborious to build the ioctl - * arguments for the device-mapper people are - * encouraged to use this library. - * - * You will need to build a struct dm_task for - * each ioctl command you want to execute. - */ - -typedef void (*dm_log_fn) (int level, const char *file, int line, - const char *f, ...); - -/* - * The library user may wish to register their own - * logging function, by default errors go to - * stderr. - */ -void dm_log_init(dm_log_fn fn); -void dm_log_init_verbose(int level); - -enum { - DM_DEVICE_CREATE, - DM_DEVICE_RELOAD, - DM_DEVICE_REMOVE, - DM_DEVICE_REMOVE_ALL, - - DM_DEVICE_SUSPEND, - DM_DEVICE_RESUME, - - DM_DEVICE_INFO, - DM_DEVICE_DEPS, - DM_DEVICE_RENAME, - - DM_DEVICE_VERSION, - - DM_DEVICE_STATUS, - DM_DEVICE_TABLE, - DM_DEVICE_WAITEVENT, - - DM_DEVICE_LIST, - - DM_DEVICE_CLEAR, - - DM_DEVICE_MKNODES -}; - -struct dm_task; - -struct dm_task *dm_task_create(int type); -void dm_task_destroy(struct dm_task *dmt); - -int dm_task_set_name(struct dm_task *dmt, const char *name); -int dm_task_set_uuid(struct dm_task *dmt, const char *uuid); - -/* - * Retrieve attributes after an info. - */ -struct dm_info { - int exists; - int suspended; - int live_table; - int inactive_table; - int32_t open_count; - uint32_t event_nr; - uint32_t major; - uint32_t minor; /* minor device number */ - int read_only; /* 0:read-write; 1:read-only */ - - int32_t target_count; -}; - -struct dm_deps { - uint32_t count; - uint32_t filler; - uint64_t device[0]; -}; - -struct dm_names { - uint64_t dev; - uint32_t next; /* Offset to next struct from start of this struct */ - char name[0]; -}; - -int dm_get_library_version(char *version, size_t size); -int dm_task_get_driver_version(struct dm_task *dmt, char *version, size_t size); -int dm_task_get_info(struct dm_task *dmt, struct dm_info *dmi); -const char *dm_task_get_name(struct dm_task *dmt); -const char *dm_task_get_uuid(struct dm_task *dmt); - -struct dm_deps *dm_task_get_deps(struct dm_task *dmt); -struct dm_names *dm_task_get_names(struct dm_task *dmt); - -int dm_task_set_ro(struct dm_task *dmt); -int dm_task_set_newname(struct dm_task *dmt, const char *newname); -int dm_task_set_minor(struct dm_task *dmt, int minor); -int dm_task_set_major(struct dm_task *dmt, int major); -int dm_task_set_event_nr(struct dm_task *dmt, uint32_t event_nr); - -/* - * Use these to prepare for a create or reload. - */ -int dm_task_add_target(struct dm_task *dmt, - uint64_t start, - uint64_t size, const char *ttype, const char *params); - -/* - * Format major/minor numbers correctly for input to driver - */ -int dm_format_dev(char *buf, int bufsize, uint32_t dev_major, uint32_t dev_minor); - -/* Use this to retrive target information returned from a STATUS call */ -void *dm_get_next_target(struct dm_task *dmt, - void *next, uint64_t *start, uint64_t *length, - char **target_type, char **params); - -/* - * Call this to actually run the ioctl. - */ -int dm_task_run(struct dm_task *dmt); - -/* - * Configure the device-mapper directory - */ -int dm_set_dev_dir(const char *dir); -const char *dm_dir(void); - -/* Release library resources */ -void dm_lib_release(void); -void dm_lib_exit(void); - -#endif /* LIB_DEVICE_MAPPER_H */ diff --git a/extras/multipath/libdevmapper/libdm-common.c b/extras/multipath/libdevmapper/libdm-common.c deleted file mode 100644 index b0affd1eed..0000000000 --- a/extras/multipath/libdevmapper/libdm-common.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#include "libdm-targets.h" -#include "libdm-common.h" -#include "list.h" - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <sys/param.h> -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> -#include <linux/dm-ioctl.h> -#include <linux/kdev_t.h> - -#define DEV_DIR "/dev/" - -static char _dm_dir[PATH_MAX] = DEV_DIR DM_DIR; - -static int _verbose = 0; - -/* - * Library users can provide their own logging - * function. - */ -static void _default_log(int level, const char *file, int line, - const char *f, ...) -{ - va_list ap; - - if (level > _LOG_WARN && !_verbose) - return; - - va_start(ap, f); - - if (level < _LOG_WARN) - vfprintf(stderr, f, ap); - else - vprintf(f, ap); - - va_end(ap); - - if (level < _LOG_WARN) - fprintf(stderr, "\n"); - else - fprintf(stdout, "\n"); -} - -dm_log_fn _log = _default_log; - -void dm_log_init(dm_log_fn fn) -{ - _log = fn; -} - -void dm_log_init_verbose(int level) -{ - _verbose = level; -} - -static void _build_dev_path(char *buffer, size_t len, const char *dev_name) -{ - /* If there's a /, assume caller knows what they're doing */ - if (strchr(dev_name, '/')) - snprintf(buffer, len, "%s", dev_name); - else - snprintf(buffer, len, "%s/%s", _dm_dir, dev_name); -} - -int dm_get_library_version(char *version, size_t size) -{ - strncpy(version, DM_LIB_VERSION, size); - return 1; -} - -struct dm_task *dm_task_create(int type) -{ - struct dm_task *dmt = malloc(sizeof(*dmt)); - - if (!dm_check_version()) - return NULL; - - if (!dmt) { - log_error("dm_task_create: malloc(%d) failed", sizeof(*dmt)); - return NULL; - } - - memset(dmt, 0, sizeof(*dmt)); - - dmt->type = type; - dmt->minor = -1; - dmt->major = -1; - - return dmt; -} - -int dm_task_set_name(struct dm_task *dmt, const char *name) -{ - char *pos; - char path[PATH_MAX]; - struct stat st1, st2; - - if (dmt->dev_name) { - free(dmt->dev_name); - dmt->dev_name = NULL; - } - - /* If path was supplied, remove it if it points to the same device - * as its last component. - */ - if ((pos = strrchr(name, '/'))) { - snprintf(path, sizeof(path), "%s/%s", _dm_dir, pos + 1); - - if (stat(name, &st1) || stat(path, &st2) || - !(st1.st_dev == st2.st_dev)) { - log_error("dm_task_set_name: Device %s not found", - name); - return 0; - } - - name = pos + 1; - } - - if (!(dmt->dev_name = strdup(name))) { - log_error("dm_task_set_name: strdup(%s) failed", name); - return 0; - } - - return 1; -} - -int dm_task_set_uuid(struct dm_task *dmt, const char *uuid) -{ - if (dmt->uuid) { - free(dmt->uuid); - dmt->uuid = NULL; - } - - if (!(dmt->uuid = strdup(uuid))) { - log_error("dm_task_set_uuid: strdup(%s) failed", uuid); - return 0; - } - - return 1; -} - -int dm_task_set_major(struct dm_task *dmt, int major) -{ - dmt->major = major; - log_debug("Setting major: %d", dmt->major); - - return 1; -} - -int dm_task_set_minor(struct dm_task *dmt, int minor) -{ - dmt->minor = minor; - log_debug("Setting minor: %d", dmt->minor); - - return 1; -} - -int dm_task_add_target(struct dm_task *dmt, uint64_t start, uint64_t size, - const char *ttype, const char *params) -{ - struct target *t = create_target(start, size, ttype, params); - - if (!t) - return 0; - - if (!dmt->head) - dmt->head = dmt->tail = t; - else { - dmt->tail->next = t; - dmt->tail = t; - } - - return 1; -} - -static int _add_dev_node(const char *dev_name, uint32_t major, uint32_t minor) -{ - char path[PATH_MAX]; - struct stat info; - dev_t dev = MKDEV(major, minor); - - _build_dev_path(path, sizeof(path), dev_name); - - if (stat(path, &info) >= 0) { - if (!S_ISBLK(info.st_mode)) { - log_error("A non-block device file at '%s' " - "is already present", path); - return 0; - } - - if (info.st_rdev == dev) - return 1; - - if (unlink(path) < 0) { - log_error("Unable to unlink device node for '%s'", - dev_name); - return 0; - } - } - - if (mknod(path, S_IFBLK | S_IRUSR | S_IWUSR | S_IRGRP, dev) < 0) { - log_error("Unable to make device node for '%s'", dev_name); - return 0; - } - - return 1; -} - -static int _rename_dev_node(const char *old_name, const char *new_name) -{ - char oldpath[PATH_MAX]; - char newpath[PATH_MAX]; - struct stat info; - - _build_dev_path(oldpath, sizeof(oldpath), old_name); - _build_dev_path(newpath, sizeof(newpath), new_name); - - if (stat(newpath, &info) == 0) { - if (!S_ISBLK(info.st_mode)) { - log_error("A non-block device file at '%s' " - "is already present", newpath); - return 0; - } - - if (unlink(newpath) < 0) { - if (errno == EPERM) { - /* devfs, entry has already been renamed */ - return 1; - } - log_error("Unable to unlink device node for '%s'", - new_name); - return 0; - } - } - - if (rename(oldpath, newpath) < 0) { - log_error("Unable to rename device node from '%s' to '%s'", - old_name, new_name); - return 0; - } - - return 1; -} - -static int _rm_dev_node(const char *dev_name) -{ - char path[PATH_MAX]; - struct stat info; - - _build_dev_path(path, sizeof(path), dev_name); - - if (stat(path, &info) < 0) - return 1; - - if (unlink(path) < 0) { - log_error("Unable to unlink device node for '%s'", dev_name); - return 0; - } - - return 1; -} - -typedef enum { - NODE_ADD, - NODE_DEL, - NODE_RENAME -} node_op_t; - -static int _do_node_op(node_op_t type, const char *dev_name, uint32_t major, - uint32_t minor, const char *old_name) -{ - switch (type) { - case NODE_ADD: - return _add_dev_node(dev_name, major, minor); - case NODE_DEL: - return _rm_dev_node(dev_name); - case NODE_RENAME: - return _rename_dev_node(old_name, dev_name); - } - - return 1; -} - -static LIST_INIT(_node_ops); - -struct node_op_parms { - struct list list; - node_op_t type; - char *dev_name; - uint32_t major; - uint32_t minor; - char *old_name; - char names[0]; -}; - -static void _store_str(char **pos, char **ptr, const char *str) -{ - strcpy(*pos, str); - *ptr = *pos; - *pos += strlen(*ptr) + 1; -} - -static int _stack_node_op(node_op_t type, const char *dev_name, uint32_t major, - uint32_t minor, const char *old_name) -{ - struct node_op_parms *nop; - size_t len = strlen(dev_name) + strlen(old_name) + 2; - char *pos; - - if (!(nop = malloc(sizeof(*nop) + len))) { - log_error("Insufficient memory to stack mknod operation"); - return 0; - } - - pos = nop->names; - nop->type = type; - nop->major = major; - nop->minor = minor; - - _store_str(&pos, &nop->dev_name, dev_name); - _store_str(&pos, &nop->old_name, old_name); - - list_add(&_node_ops, &nop->list); - - return 1; -} - -static void _pop_node_ops(void) -{ - struct list *noph, *nopht; - struct node_op_parms *nop; - - list_iterate_safe(noph, nopht, &_node_ops) { - nop = list_item(noph, struct node_op_parms); - _do_node_op(nop->type, nop->dev_name, nop->major, nop->minor, - nop->old_name); - list_del(&nop->list); - free(nop); - } -} - -int add_dev_node(const char *dev_name, uint32_t major, uint32_t minor) -{ - return _stack_node_op(NODE_ADD, dev_name, major, minor, ""); -} - -int rename_dev_node(const char *old_name, const char *new_name) -{ - return _stack_node_op(NODE_RENAME, new_name, 0, 0, old_name); -} - -int rm_dev_node(const char *dev_name) -{ - return _stack_node_op(NODE_DEL, dev_name, 0, 0, ""); -} - -void update_devs(void) -{ - _pop_node_ops(); -} - -int dm_set_dev_dir(const char *dir) -{ - snprintf(_dm_dir, sizeof(_dm_dir), "%s%s", dir, DM_DIR); - return 1; -} - -const char *dm_dir(void) -{ - return _dm_dir; -} diff --git a/extras/multipath/libdevmapper/libdm-common.h b/extras/multipath/libdevmapper/libdm-common.h deleted file mode 100644 index 2b71242861..0000000000 --- a/extras/multipath/libdevmapper/libdm-common.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software (UK) Limited. - * - * This file is released under the LGPL. - */ - -#ifndef LIB_DMCOMMON_H -#define LIB_DMCOMMON_H - -#include "libdevmapper.h" - -#define _LOG_DEBUG 7 -#define _LOG_INFO 6 -#define _LOG_NOTICE 5 -#define _LOG_WARN 4 -#define _LOG_ERR 3 -#define _LOG_FATAL 2 - -extern dm_log_fn _log; - -#define log_error(msg, x...) _log(_LOG_ERR, __FILE__, __LINE__, msg, ## x) -#define log_print(msg, x...) _log(_LOG_WARN, __FILE__, __LINE__, msg, ## x) -#define log_verbose(msg, x...) _log(_LOG_NOTICE, __FILE__, __LINE__, msg, ## x) -#define log_very_verbose(msg, x...) _log(_LOG_INFO, __FILE__, __LINE__, msg, ## x) -#define log_debug(msg, x...) _log(_LOG_DEBUG, __FILE__, __LINE__, msg, ## x) - -struct target *create_target(uint64_t start, - uint64_t len, - const char *type, const char *params); - -int add_dev_node(const char *dev_name, uint32_t minor, uint32_t major); -int rm_dev_node(const char *dev_name); -int rename_dev_node(const char *old_name, const char *new_name); -void update_devs(void); - -#define DM_LIB_VERSION "1.00.07-ioctl (2003-11-21)" - -#endif diff --git a/extras/multipath/libdevmapper/list.h b/extras/multipath/libdevmapper/list.h deleted file mode 100644 index df3d32aea8..0000000000 --- a/extras/multipath/libdevmapper/list.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (C) 2001 Sistina Software - * - * This file is released under the LGPL. - */ - -#ifndef _LVM_LIST_H -#define _LVM_LIST_H - -#include <assert.h> - -struct list { - struct list *n, *p; -}; - -#define LIST_INIT(name) struct list name = { &(name), &(name) } - -static inline void list_init(struct list *head) -{ - head->n = head->p = head; -} - -static inline void list_add(struct list *head, struct list *elem) -{ - assert(head->n); - - elem->n = head; - elem->p = head->p; - - head->p->n = elem; - head->p = elem; -} - -static inline void list_add_h(struct list *head, struct list *elem) -{ - assert(head->n); - - elem->n = head->n; - elem->p = head; - - head->n->p = elem; - head->n = elem; -} - -static inline void list_del(struct list *elem) -{ - elem->n->p = elem->p; - elem->p->n = elem->n; -} - -static inline int list_empty(struct list *head) -{ - return head->n == head; -} - -static inline int list_end(struct list *head, struct list *elem) -{ - return elem->n == head; -} - -static inline struct list *list_next(struct list *head, struct list *elem) -{ - return (list_end(head, elem) ? NULL : elem->n); -} - -#define list_iterate(v, head) \ - for (v = (head)->n; v != head; v = v->n) - -#define list_uniterate(v, head, start) \ - for (v = (start)->p; v != head; v = v->p) - -#define list_iterate_safe(v, t, head) \ - for (v = (head)->n, t = v->n; v != head; v = t, t = v->n) - -static inline unsigned int list_size(const struct list *head) -{ - unsigned int s = 0; - const struct list *v; - - list_iterate(v, head) - s++; - - return s; -} - -#define list_item(v, t) \ - ((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->list)) - -#define list_struct_base(v, t, h) \ - ((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->h)) - -/* Given a known element in a known structure, locate another */ -#define struct_field(v, t, e, f) \ - (((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->e))->f) - -/* Given a known element in a known structure, locate the list head */ -#define list_head(v, t, e) struct_field(v, t, e, list) - -#endif diff --git a/extras/multipath/main.c b/extras/multipath/main.c deleted file mode 100644 index dfaa6867dd..0000000000 --- a/extras/multipath/main.c +++ /dev/null @@ -1,705 +0,0 @@ -/* - * Soft: multipath device mapper target autoconfig - * - * Version: $Id: main.h,v 0.0.1 2003/09/18 15:13:38 cvaroqui Exp $ - * - * Author: Copyright (C) 2003 Christophe Varoqui - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * See the GNU General Public License for more details. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <linux/kdev_t.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sysfs/libsysfs.h> -#include "libdevmapper/libdevmapper.h" -#include "main.h" -#include "devinfo.h" - -/* White list switch */ -static int -get_unique_id(struct path * mypath) -{ - int i; - static struct { - char * vendor; - char * product; - int iopolicy; - int (*getuid) (char *, char *); - } wlist[] = { - {"COMPAQ ", "HSV110 (C)COMPAQ", GROUP_BY_SERIAL, &get_evpd_wwid}, - {"COMPAQ ", "MSA1000 ", GROUP_BY_SERIAL, &get_evpd_wwid}, - {"COMPAQ ", "MSA1000 VOLUME ", GROUP_BY_SERIAL, &get_evpd_wwid}, - {"DEC ", "HSG80 ", GROUP_BY_SERIAL, &get_evpd_wwid}, - {"HP ", "HSV100 ", GROUP_BY_SERIAL, &get_evpd_wwid}, - {"HP ", "A6189A ", MULTIBUS, &get_evpd_wwid}, - {"HP ", "OPEN- ", MULTIBUS, &get_evpd_wwid}, - {"DDN ", "SAN DataDirector", MULTIBUS, &get_evpd_wwid}, - {"FSC ", "CentricStor ", MULTIBUS, &get_evpd_wwid}, - {"HITACHI ", "DF400 ", MULTIBUS, &get_evpd_wwid}, - {"HITACHI ", "DF500 ", MULTIBUS, &get_evpd_wwid}, - {"HITACHI ", "DF600 ", MULTIBUS, &get_evpd_wwid}, - {"IBM ", "ProFibre 4000R ", MULTIBUS, &get_evpd_wwid}, - {"SGI ", "TP9100 ", MULTIBUS, &get_evpd_wwid}, - {"SGI ", "TP9300 ", MULTIBUS, &get_evpd_wwid}, - {"SGI ", "TP9400 ", MULTIBUS, &get_evpd_wwid}, - {"SGI ", "TP9500 ", MULTIBUS, &get_evpd_wwid}, - {NULL, NULL, 0, NULL}, - }; - - for (i = 0; wlist[i].vendor; i++) { - if (strncmp(mypath->vendor_id, wlist[i].vendor, 8) == 0 && - strncmp(mypath->product_id, wlist[i].product, 16) == 0) { - mypath->iopolicy = wlist[i].iopolicy; - if (!wlist[i].getuid(mypath->sg_dev, mypath->wwid)) - return 0; - } - } - return 1; -} - -static int -blacklist (char * dev) { - int i; - static struct { - char * headstr; - int lengh; - } blist[] = { - {"cciss", 5}, - {"hd", 2}, - {"md", 2}, - {"dm", 2}, - {"sr", 2}, - {"scd", 3}, - {"ram", 3}, - {"raw", 3}, - {NULL, 0}, - }; - - for (i = 0; blist[i].lengh; i++) { - if (strncmp(dev, blist[i].headstr, blist[i].lengh) == 0) - return 1; - } - return 0; -} - -static int -get_all_paths_sysfs(struct env * conf, struct path * all_paths) -{ - int k=0; - struct sysfs_directory * sdir; - struct sysfs_directory * devp; - struct sysfs_link * linkp; - char refwwid[WWID_SIZE]; - char empty_buff[WWID_SIZE]; - char buff[FILE_NAME_SIZE]; - char path[FILE_NAME_SIZE]; - struct path curpath; - - /* if called from hotplug, only consider the paths that relate */ - /* to the device pointed by conf.hotplugdev */ - memset(empty_buff, 0, WWID_SIZE); - memset(refwwid, 0, WWID_SIZE); - if (strncmp("/devices", conf->hotplugdev, 8) == 0) { - sprintf(buff, "%s%s/block", - conf->sysfs_path, conf->hotplugdev); - memset(conf->hotplugdev, 0, FILE_NAME_SIZE); - - /* if called from hotplug but with no block, leave */ - if (0 > readlink(buff, conf->hotplugdev, FILE_NAME_SIZE)) - return 0; - - basename(conf->hotplugdev, buff); - sprintf(curpath.sg_dev, "/dev/%s", buff); - - get_lun_strings(curpath.vendor_id, - curpath.product_id, - curpath.rev, - curpath.sg_dev); - get_serial(curpath.serial, curpath.sg_dev); - if (!get_unique_id(&curpath)) - return 0; - strcpy(refwwid, curpath.wwid); - memset(&curpath, 0, sizeof(path)); - } - - sprintf(path, "%s/block", conf->sysfs_path); - sdir = sysfs_open_directory(path); - sysfs_read_directory(sdir); - - dlist_for_each_data(sdir->subdirs, devp, struct sysfs_directory) { - if (blacklist(devp->name)) - continue; - - sysfs_read_directory(devp); - - if(devp->links == NULL) - continue; - - dlist_for_each_data(devp->links, linkp, struct sysfs_link) { - if (!strncmp(linkp->name, "device", 6)) - break; - } - - if (linkp == NULL) { - continue; - } - - basename(devp->path, buff); - sprintf(curpath.sg_dev, "/dev/%s", buff); - - get_lun_strings(curpath.vendor_id, - curpath.product_id, - curpath.rev, - curpath.sg_dev); - get_serial(curpath.serial, curpath.sg_dev); - if(!get_unique_id(&curpath)) { - memset(&curpath, 0, sizeof(path)); - continue; - } - - if (memcmp(empty_buff, refwwid, WWID_SIZE) != 0 && - strncmp(curpath.wwid, refwwid, WWID_SIZE) != 0) { - memset(&curpath, 0, sizeof(path)); - continue; - } - - strcpy(all_paths[k].sg_dev, curpath.sg_dev); - strcpy(all_paths[k].dev, curpath.sg_dev); - strcpy(all_paths[k].wwid, curpath.wwid); - strcpy(all_paths[k].vendor_id, curpath.vendor_id); - strcpy(all_paths[k].product_id, curpath.product_id); - all_paths[k].iopolicy = curpath.iopolicy; - - /* done with curpath, zero for reuse */ - memset(&curpath, 0, sizeof(path)); - - basename(linkp->target, buff); - sscanf(buff, "%i:%i:%i:%i", - &all_paths[k].sg_id.host_no, - &all_paths[k].sg_id.channel, - &all_paths[k].sg_id.scsi_id, - &all_paths[k].sg_id.lun); - k++; - } - sysfs_close_directory(sdir); - return 0; -} - -static int -get_all_paths_nosysfs(struct env * conf, struct path * all_paths, - struct scsi_dev * all_scsi_ids) -{ - int k, i, fd; - char buff[FILE_NAME_SIZE]; - char file_name[FILE_NAME_SIZE]; - - for (k = 0; k < conf->max_devs; k++) { - strcpy(file_name, "/dev/sg"); - sprintf(buff, "%d", k); - strncat(file_name, buff, FILE_NAME_SIZE); - strcpy(all_paths[k].sg_dev, file_name); - - get_lun_strings(all_paths[k].vendor_id, - all_paths[k].product_id, - all_paths[k].rev, - all_paths[k].sg_dev); - get_serial(all_paths[k].serial, all_paths[k].sg_dev); - if (!get_unique_id(&all_paths[k])) - continue; - - if ((fd = open(all_paths[k].sg_dev, O_RDONLY)) < 0) - return 0; - - if (0 > ioctl(fd, SG_GET_SCSI_ID, &(all_paths[k].sg_id))) - printf("device %s failed on sg ioctl, skip\n", - file_name); - - close(fd); - - for (i = 0; i < conf->max_devs; i++) { - if ((all_paths[k].sg_id.host_no == - all_scsi_ids[i].host_no) - && (all_paths[k].sg_id.scsi_id == - (all_scsi_ids[i].scsi_id.dev_id & 0xff)) - && (all_paths[k].sg_id.lun == - ((all_scsi_ids[i].scsi_id.dev_id >> 8) & 0xff)) - && (all_paths[k].sg_id.channel == - ((all_scsi_ids[i].scsi_id. - dev_id >> 16) & 0xff))) { - strcpy(all_paths[k].dev, all_scsi_ids[i].dev); - break; - } - } - } - return 0; -} - -static int -get_all_scsi_ids(struct env * conf, struct scsi_dev * all_scsi_ids) -{ - int k, big, little, res, host_no, fd; - char buff[64]; - char fname[FILE_NAME_SIZE]; - struct scsi_idlun my_scsi_id; - - for (k = 0; k < conf->max_devs; k++) { - strcpy(fname, "/dev/sd"); - if (k < 26) { - buff[0] = 'a' + (char) k; - buff[1] = '\0'; - strcat(fname, buff); - } else if (k <= 255) { - /* assumes sequence goes x,y,z,aa,ab,ac etc */ - big = k / 26; - little = k - (26 * big); - big = big - 1; - - buff[0] = 'a' + (char) big; - buff[1] = 'a' + (char) little; - buff[2] = '\0'; - strcat(fname, buff); - } else - strcat(fname, "xxxx"); - - if ((fd = open(fname, O_RDONLY)) < 0) { - if (conf->verbose) - fprintf(stderr, "can't open %s. mknod ?", - fname); - continue; - } - - res = ioctl(fd, SCSI_IOCTL_GET_IDLUN, &my_scsi_id); - if (res < 0) { - close(fd); - printf("Could not get scsi idlun\n"); - continue; - } - - res = ioctl(fd, SCSI_IOCTL_GET_BUS_NUMBER, &host_no); - if (res < 0) { - close(fd); - printf("Could not get host_no\n"); - continue; - } - - close(fd); - - strcpy(all_scsi_ids[k].dev, fname); - all_scsi_ids[k].scsi_id = my_scsi_id; - all_scsi_ids[k].host_no = host_no; - } - return 0; -} - -/* print_path style */ -#define ALL 0 -#define NOWWID 1 - -static void -print_path(struct path * all_paths, int k, int style) -{ - if (style != NOWWID) - printf("%s ", all_paths[k].wwid); - else - printf(" \\_"); - printf("(%i %i %i %i) ", - all_paths[k].sg_id.host_no, - all_paths[k].sg_id.channel, - all_paths[k].sg_id.scsi_id, all_paths[k].sg_id.lun); - if(0 != strcmp(all_paths[k].sg_dev, all_paths[k].dev)) - printf("%s ", all_paths[k].sg_dev); - printf("%s ", all_paths[k].dev); - printf("[%.16s]\n", all_paths[k].product_id); -} - -static void -print_all_path(struct env * conf, struct path * all_paths) -{ - int k; - char empty_buff[WWID_SIZE]; - - memset(empty_buff, 0, WWID_SIZE); - for (k = 0; k < conf->max_devs; k++) { - if (memcmp(empty_buff, all_paths[k].wwid, WWID_SIZE) == 0) - continue; - print_path(all_paths, k, ALL); - } -} - -static void -print_all_mp(struct path * all_paths, struct multipath * mp, int nmp) -{ - int k, i; - - for (k = 0; k <= nmp; k++) { - printf("%s\n", mp[k].wwid); - for (i = 0; i <= mp[k].npaths; i++) - print_path(all_paths, PINDEX(k,i), NOWWID); - } -} - -static int -coalesce_paths(struct env * conf, struct multipath * mp, - struct path * all_paths) -{ - int k, i, nmp, np, already_done; - char empty_buff[WWID_SIZE]; - - nmp = -1; - already_done = 0; - memset(empty_buff, 0, WWID_SIZE); - - for (k = 0; k < conf->max_devs - 1; k++) { - /* skip this path for some reason */ - - /* 1. if path has no unique id */ - if (memcmp(empty_buff, all_paths[k].wwid, WWID_SIZE) == 0) - continue; - - /* 2. if mp with this uid already instanciated */ - for (i = 0; i <= nmp; i++) { - if (0 == strcmp(mp[i].wwid, all_paths[k].wwid)) - already_done = 1; - } - if (already_done) { - already_done = 0; - continue; - } - - /* at this point, we know we really got a new mp */ - np = 0; - nmp++; - strcpy(mp[nmp].wwid, all_paths[k].wwid); - PINDEX(nmp,np) = k; - - if (mp[nmp].size == 0) - mp[nmp].size = get_disk_size(all_paths[k].dev); - - for (i = k + 1; i < conf->max_devs; i++) { - if (0 == strcmp(all_paths[k].wwid, all_paths[i].wwid)) { - np++; - PINDEX(nmp,np) = i; - mp[nmp].npaths = np; - } - } - } - return nmp; -} - -static void -group_by_serial(struct multipath * mp, struct path * all_paths, char * str) { - int path_count, pg_count = 0; - int i, k; - int * bitmap; - char path_buff[FILE_NAME_SIZE]; - char pg_buff[FILE_NAME_SIZE]; - char * path_buff_p = &path_buff[0]; - char * pg_buff_p = &pg_buff[0]; - - /* init the bitmap */ - bitmap = malloc((mp->npaths + 1) * sizeof(int)); - memset(bitmap, 0, (mp->npaths + 1) * sizeof(int)); - - for (i = 0; i <= mp->npaths; i++) { - if (bitmap[i]) - continue; - - /* here, we really got a new pg */ - pg_count++; - path_count = 1; - memset(&path_buff, 0, FILE_NAME_SIZE * sizeof(char)); - path_buff_p = &path_buff[0]; - - path_buff_p += sprintf(path_buff_p, " %s", all_paths[mp->pindex[i]].dev); - bitmap[i] = 1; - - for (k = i + 1; k <= mp->npaths; k++) { - if (bitmap[k]) - continue; - if (0 == strcmp(all_paths[mp->pindex[i]].serial, - all_paths[mp->pindex[k]].serial)) { - path_buff_p += sprintf(path_buff_p, " %s", all_paths[mp->pindex[k]].dev); - bitmap[k] = 1; - path_count++; - } - } - pg_buff_p += sprintf(pg_buff_p, " 1 round-robin %i 0%s", - path_count, path_buff); - } - sprintf(str, " %i%s", pg_count, pg_buff); - free(bitmap); -} - -static int -dm_simplecmd(int task, const char *name) { - int r = 0; - struct dm_task *dmt; - - if (!(dmt = dm_task_create(task))) - return 0; - - if (!dm_task_set_name(dmt, name)) - goto out; - - r = dm_task_run(dmt); - - out: - dm_task_destroy(dmt); - return r; -} - -static int -dm_addmap(int task, const char *name, const char *params, long size) { - struct dm_task *dmt; - - if (!(dmt = dm_task_create(task))) - return 0; - - if (!dm_task_set_name(dmt, name)) - goto addout; - - if (!dm_task_add_target(dmt, 0, size, DM_TARGET, params)) - goto addout; - - if (!dm_task_run(dmt)) - goto addout; - - addout: - dm_task_destroy(dmt); - return 1; -} - -static int -setup_map(struct env * conf, struct path * all_paths, - struct multipath * mp, int index, int op) -{ - char params[255]; - char * params_p; - int i, np; - - /* defaults for multipath target */ - int dm_pg_prio = 1; - char * dm_ps_name = "round-robin"; - int dm_ps_nr_args = 0; - - params_p = ¶ms[0]; - - np = 0; - for (i=0; i<=mp[index].npaths; i++) { - if (0 == all_paths[PINDEX(index,i)].sg_id.scsi_type) - np++; - } - - if (np < 1) - return 0; - - if ((all_paths[PINDEX(index,0)].iopolicy == MULTIBUS && - conf->iopolicy == -1) || conf->iopolicy == MULTIBUS) { - params_p += sprintf(params_p, " 1 %i %s %i %i", - dm_pg_prio, dm_ps_name, np, dm_ps_nr_args); - - for (i=0; i<=mp[index].npaths; i++) { - if (0 != all_paths[PINDEX(index,i)].sg_id.scsi_type) - continue; - params_p += sprintf(params_p, " %s", - all_paths[PINDEX(index,i)].dev); - } - } - - if ((all_paths[PINDEX(index,0)].iopolicy == FAILOVER && - conf->iopolicy == -1) || conf->iopolicy == FAILOVER) { - params_p += sprintf(params_p, " %i", mp[index].npaths + 1); - for (i=0; i<=mp[index].npaths; i++) { - if (0 != all_paths[PINDEX(index,i)].sg_id.scsi_type) - continue; - params_p += sprintf(params_p, " %i %s ", - dm_pg_prio, dm_ps_name); - params_p += sprintf(params_p, "1 %i", - dm_ps_nr_args); - params_p += sprintf(params_p, " %s", - all_paths[PINDEX(index,i)].dev); - } - } - - if ((all_paths[PINDEX(index,0)].iopolicy == GROUP_BY_SERIAL && - conf->iopolicy == -1) || conf->iopolicy == GROUP_BY_SERIAL) { - group_by_serial(&mp[index], all_paths, params_p); - } - - if (mp[index].size < 0) - return 0; - - if (!conf->quiet) { - if (op == DM_DEVICE_RELOAD) - printf("U:"); - if (op == DM_DEVICE_CREATE) - printf("N:"); - printf("%s:0 %li %s %s\n", - mp[index].wwid, mp[index].size, DM_TARGET, params); - } - - if (op == DM_DEVICE_RELOAD) - dm_simplecmd(DM_DEVICE_SUSPEND, mp[index].wwid); - - dm_addmap(op, mp[index].wwid, params, mp[index].size); - - if (op == DM_DEVICE_RELOAD) - dm_simplecmd(DM_DEVICE_RESUME, mp[index].wwid); - - return 1; -} - -static int -map_present(char * str) -{ - int r = 0; - struct dm_task *dmt; - struct dm_names *names; - unsigned next = 0; - - if (!(dmt = dm_task_create(DM_DEVICE_LIST))) - return 0; - - if (!dm_task_run(dmt)) - goto out; - - if (!(names = dm_task_get_names(dmt))) - goto out; - - if (!names->dev) { - goto out; - } - - do { - if (0 == strcmp(names->name, str)) - r = 1; - next = names->next; - names = (void *) names + next; - } while (next); - - out: - dm_task_destroy(dmt); - return r; -} - -static void -usage(char * progname) -{ - fprintf(stderr, VERSION_STRING); - fprintf(stderr, "Usage: %s [-v|-q] [-d] [-m max_devs]", - progname); - fprintf(stderr, "[-p failover|multibus|group_by_serial] [device]\n"); - fprintf(stderr, "\t-v\t\tverbose, print all paths and multipaths\n"); - fprintf(stderr, "\t-q\t\tquiet, no output at all\n"); - fprintf(stderr, "\t-d\t\tdry run, do not create or update devmaps\n"); - fprintf(stderr, "\t-m max_devs\tscan {max_devs} devices at most\n"); - fprintf(stderr, "\t-p policy\tforce maps to specified policy :\n"); - fprintf(stderr, "\t failover\t\t- 1 path per priority group\n"); - fprintf(stderr, "\t multibus\t\t- all paths in 1 priority group\n"); - fprintf(stderr, "\t group_by_serial\t- 1 priority group per serial\n"); - fprintf(stderr, "\tdevice\t\tlimit scope to the device's multipath\n"); - fprintf(stderr, "\t\t\t(hotplug-style $DEVPATH reference)\n"); - exit(1); -} - -int -main(int argc, char *argv[]) -{ - struct multipath * mp; - struct path * all_paths; - struct scsi_dev * all_scsi_ids; - struct env conf; - int i, k, nmp; - - /* Default behaviour */ - conf.max_devs = MAX_DEVS; - conf.dry_run = 0; /* 1 == Do not Create/Update devmaps */ - conf.verbose = 0; /* 1 == Print all_paths and mp */ - conf.quiet = 0; /* 1 == Do not even print devmaps */ - conf.iopolicy = -1; /* Apply the defaults in get_unique_id() */ - - for (i = 1; i < argc; ++i) { - if (0 == strcmp("-v", argv[i])) { - if (conf.quiet == 1) - usage(argv[0]); - conf.verbose = 1; - } else if (0 == strcmp("-m", argv[i])) { - conf.max_devs = atoi(argv[++i]); - if (conf.max_devs < 2) - usage(argv[0]); - } else if (0 == strcmp("-q", argv[i])) { - if (conf.verbose == 1) - usage(argv[0]); - conf.quiet = 1; - } else if (0 == strcmp("-d", argv[i])) - conf.dry_run = 1; - else if (0 == strcmp("-p", argv[i])) { - i++; - if (!strcmp(argv[i], "failover")) - conf.iopolicy = FAILOVER; - if (!strcmp(argv[i], "multibus")) - conf.iopolicy = MULTIBUS; - if (!strcmp(argv[i], "group_by_serial")) - conf.iopolicy = GROUP_BY_SERIAL; - } else if (*argv[i] == '-') { - fprintf(stderr, "Unknown switch: %s\n", argv[i]); - usage(argv[0]); - } else - strncpy(conf.hotplugdev, argv[i], FILE_NAME_SIZE); - } - - /* dynamic allocations */ - mp = malloc(conf.max_devs * sizeof(struct multipath)); - all_paths = malloc(conf.max_devs * sizeof(struct path)); - all_scsi_ids = malloc(conf.max_devs * sizeof(struct scsi_dev)); - if (mp == NULL || all_paths == NULL || all_scsi_ids == NULL) - exit(1); - - if (sysfs_get_mnt_path(conf.sysfs_path, FILE_NAME_SIZE)) { - get_all_scsi_ids(&conf, all_scsi_ids); - get_all_paths_nosysfs(&conf, all_paths, all_scsi_ids); - } else { - get_all_paths_sysfs(&conf, all_paths); - } - nmp = coalesce_paths(&conf, mp, all_paths); - - if (conf.verbose) { - print_all_path(&conf, all_paths); - fprintf(stdout, "\n"); - print_all_mp(all_paths, mp, nmp); - fprintf(stdout, "\n"); - } - - if (conf.dry_run) - exit(0); - - for (k=0; k<=nmp; k++) { - if (map_present(mp[k].wwid)) { - setup_map(&conf, all_paths, mp, k, DM_DEVICE_RELOAD); - } else { - setup_map(&conf, all_paths, mp, k, DM_DEVICE_CREATE); - } - } - - /* free allocs */ - free(mp); - free(all_paths); - free(all_scsi_ids); - - exit(0); -} diff --git a/extras/multipath/main.h b/extras/multipath/main.h deleted file mode 100644 index cee99d2b88..0000000000 --- a/extras/multipath/main.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Soft: Description here... - * - * Version: $Id: main.h,v 0.0.1 2003/09/18 15:13:38 cvaroqui Exp $ - * - * Author: Copyright (C) 2003 Christophe Varoqui - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * See the GNU General Public License for more details. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _MAIN_H -#define _MAIN_H - -/* local includes */ -#include "sg_include.h" - -/* exerpt from "sg_err.h" */ -#define SCSI_CHECK_CONDITION 0x2 -#define SCSI_COMMAND_TERMINATED 0x22 -#define SG_ERR_DRIVER_SENSE 0x08 - -/* exerpt from "scsi.h" */ -#define SCSI_IOCTL_GET_IDLUN 0x5382 -#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386 - -/* global defs */ -#define WWID_SIZE 33 -#define SERIAL_SIZE 14 -#define MAX_DEVS 128 -#define MAX_MP MAX_DEVS / 2 -#define MAX_MP_PATHS MAX_DEVS / 4 -#define FILE_NAME_SIZE 256 -#define DEF_TIMEOUT 60000 -#define EBUFF_SZ 256 -#define TUR_CMD_LEN 6 -#define DM_TARGET "multipath" - -/* Storage controlers cpabilities */ -#define FAILOVER 0 -#define MULTIBUS 1 -#define GROUP_BY_SERIAL 2 - -#define PINDEX(x,y) mp[(x)].pindex[(y)] - -/* global types */ -struct scsi_idlun { - int dev_id; - int host_unique_id; - int host_no; -}; - -struct sg_id { - int host_no; - int channel; - int scsi_id; - int lun; - int scsi_type; - short h_cmd_per_lun; - short d_queue_depth; - int unused1; - int unused2; -}; - -struct scsi_dev { - char dev[FILE_NAME_SIZE]; - struct scsi_idlun scsi_id; - int host_no; -}; - -struct path { - char dev[FILE_NAME_SIZE]; - char sg_dev[FILE_NAME_SIZE]; - struct scsi_idlun scsi_id; - struct sg_id sg_id; - char wwid[WWID_SIZE]; - char vendor_id[8]; - char product_id[16]; - char rev[4]; - char serial[SERIAL_SIZE]; - int iopolicy; -}; - -struct multipath { - char wwid[WWID_SIZE]; - int npaths; - long size; - int pindex[MAX_MP_PATHS]; -}; - -struct env { - int max_devs; - int verbose; - int quiet; - int dry_run; - int iopolicy; - int with_sysfs; - char sysfs_path[FILE_NAME_SIZE]; - char hotplugdev[FILE_NAME_SIZE]; -}; - -/* Build version */ -#define PROG "multipath" - -#define VERSION_CODE 0x000012 -#define DATE_CODE 0x021504 - -#define MULTIPATH_VERSION(version) \ - (version >> 16) & 0xFF, \ - (version >> 8) & 0xFF, \ - version & 0xFF - -#define VERSION_STRING PROG" v%d.%d.%d (%.2d/%.2d, 20%.2d)\n", \ - MULTIPATH_VERSION(VERSION_CODE), \ - MULTIPATH_VERSION(DATE_CODE) - -#endif diff --git a/extras/multipath/multipath.8 b/extras/multipath/multipath.8 deleted file mode 100644 index 98746424b4..0000000000 --- a/extras/multipath/multipath.8 +++ /dev/null @@ -1,53 +0,0 @@ -.TH MULTIPATH 8 "February 2004" "" "Linux Administrator's Manual" -.SH NAME -multipath \- Device mapper target autoconfig -.SH SYNOPSIS -.B multipath -.RB [\| \-v | \-q \|] -.RB [\| \-d \|] -.RB [\| \-m\ \c -.IR max_devs \|] -.RB [\| \-p\ \c -.BR failover | multibus | group_by_serial \|] -.RB [\| device \|] -.SH DESCRIPTION -.B multipath -is used to detect multiple paths to devices for fail-over or performance reasons and coalesces them. -.SH OPTIONS -.TP -.B \-v -verbose, print all paths and multipaths -.TP -.B \-q -quiet, no output at all -.TP -.B \-d -dry run, do not create or update devmaps -.TP -.BI \-m " max_devs" -scan -.I max_devs -devices at most -.TP -.BI \-p " policy" -force maps to specified policy: -.RS 1.2i -.TP 1.2i -.B failover -1 path per priority group -.TP -.B multibus -all paths in 1 priority group -.TP -.B group_by_serial -1 priority group per serial -.RE -.TP -.B device -limit the [re]configuration to the specified device's multipath scope. device is given in its hotplug $DEVPATH form like /devices/pci0000:03/0000:03:01.0/host0/0:0:5:1 -.SH "SEE ALSO" -.BR udev (8), -.BR dmsetup (8) -.SH AUTHORS -.B multipath -was developed by Christophe Varoqui, <christophe.varoqui@free.fr> and others. diff --git a/extras/multipath/multipath.hotplug b/extras/multipath/multipath.hotplug deleted file mode 100644 index 9f44f86c9b..0000000000 --- a/extras/multipath/multipath.hotplug +++ /dev/null @@ -1,7 +0,0 @@ -#!bin/sh -. /etc/hotplug/hotplug.functions - -# wait for sysfs -sleep 1 - -mesg `/sbin/multipath $DEVPATH` diff --git a/extras/multipath/sg_err.h b/extras/multipath/sg_err.h deleted file mode 100644 index ef57b5ce38..0000000000 --- a/extras/multipath/sg_err.h +++ /dev/null @@ -1,162 +0,0 @@ -#ifndef SG_ERR_H -#define SG_ERR_H - -/* Feel free to copy and modify this GPL-ed code into your applications. */ - -/* Version 0.90 (20030519) -*/ - - -/* Some of the following error/status codes are exchanged between the - various layers of the SCSI sub-system in Linux and should never - reach the user. They are placed here for completeness. What appears - here is copied from drivers/scsi/scsi.h which is not visible in - the user space. */ - -#ifndef SCSI_CHECK_CONDITION -/* Following are the "true" SCSI status codes. Linux has traditionally - used a 1 bit right and masked version of these. So now CHECK_CONDITION - and friends (in <scsi/scsi.h>) are deprecated. */ -#define SCSI_CHECK_CONDITION 0x2 -#define SCSI_CONDITION_MET 0x4 -#define SCSI_BUSY 0x8 -#define SCSI_IMMEDIATE 0x10 -#define SCSI_IMMEDIATE_CONDITION_MET 0x14 -#define SCSI_RESERVATION_CONFLICT 0x18 -#define SCSI_COMMAND_TERMINATED 0x22 -#define SCSI_TASK_SET_FULL 0x28 -#define SCSI_ACA_ACTIVE 0x30 -#define SCSI_TASK_ABORTED 0x40 -#endif - -/* The following are 'host_status' codes */ -#ifndef DID_OK -#define DID_OK 0x00 -#endif -#ifndef DID_NO_CONNECT -#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */ -#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */ -#define DID_TIME_OUT 0x03 /* Timed out for some other reason */ -#define DID_BAD_TARGET 0x04 /* Bad target (id?) */ -#define DID_ABORT 0x05 /* Told to abort for some other reason */ -#define DID_PARITY 0x06 /* Parity error (on SCSI bus) */ -#define DID_ERROR 0x07 /* Internal error */ -#define DID_RESET 0x08 /* Reset by somebody */ -#define DID_BAD_INTR 0x09 /* Received an unexpected interrupt */ -#define DID_PASSTHROUGH 0x0a /* Force command past mid-level */ -#define DID_SOFT_ERROR 0x0b /* The low-level driver wants a retry */ -#endif - -/* These defines are to isolate applictaions from kernel define changes */ -#define SG_ERR_DID_OK DID_OK -#define SG_ERR_DID_NO_CONNECT DID_NO_CONNECT -#define SG_ERR_DID_BUS_BUSY DID_BUS_BUSY -#define SG_ERR_DID_TIME_OUT DID_TIME_OUT -#define SG_ERR_DID_BAD_TARGET DID_BAD_TARGET -#define SG_ERR_DID_ABORT DID_ABORT -#define SG_ERR_DID_PARITY DID_PARITY -#define SG_ERR_DID_ERROR DID_ERROR -#define SG_ERR_DID_RESET DID_RESET -#define SG_ERR_DID_BAD_INTR DID_BAD_INTR -#define SG_ERR_DID_PASSTHROUGH DID_PASSTHROUGH -#define SG_ERR_DID_SOFT_ERROR DID_SOFT_ERROR - -/* The following are 'driver_status' codes */ -#ifndef DRIVER_OK -#define DRIVER_OK 0x00 -#endif -#ifndef DRIVER_BUSY -#define DRIVER_BUSY 0x01 -#define DRIVER_SOFT 0x02 -#define DRIVER_MEDIA 0x03 -#define DRIVER_ERROR 0x04 -#define DRIVER_INVALID 0x05 -#define DRIVER_TIMEOUT 0x06 -#define DRIVER_HARD 0x07 -#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */ - -/* Following "suggests" are "or-ed" with one of previous 8 entries */ -#define SUGGEST_RETRY 0x10 -#define SUGGEST_ABORT 0x20 -#define SUGGEST_REMAP 0x30 -#define SUGGEST_DIE 0x40 -#define SUGGEST_SENSE 0x80 -#define SUGGEST_IS_OK 0xff -#endif -#ifndef DRIVER_MASK -#define DRIVER_MASK 0x0f -#endif -#ifndef SUGGEST_MASK -#define SUGGEST_MASK 0xf0 -#endif - -/* These defines are to isolate applictaions from kernel define changes */ -#define SG_ERR_DRIVER_OK DRIVER_OK -#define SG_ERR_DRIVER_BUSY DRIVER_BUSY -#define SG_ERR_DRIVER_SOFT DRIVER_SOFT -#define SG_ERR_DRIVER_MEDIA DRIVER_MEDIA -#define SG_ERR_DRIVER_ERROR DRIVER_ERROR -#define SG_ERR_DRIVER_INVALID DRIVER_INVALID -#define SG_ERR_DRIVER_TIMEOUT DRIVER_TIMEOUT -#define SG_ERR_DRIVER_HARD DRIVER_HARD -#define SG_ERR_DRIVER_SENSE DRIVER_SENSE -#define SG_ERR_SUGGEST_RETRY SUGGEST_RETRY -#define SG_ERR_SUGGEST_ABORT SUGGEST_ABORT -#define SG_ERR_SUGGEST_REMAP SUGGEST_REMAP -#define SG_ERR_SUGGEST_DIE SUGGEST_DIE -#define SG_ERR_SUGGEST_SENSE SUGGEST_SENSE -#define SG_ERR_SUGGEST_IS_OK SUGGEST_IS_OK -#define SG_ERR_DRIVER_MASK DRIVER_MASK -#define SG_ERR_SUGGEST_MASK SUGGEST_MASK - - - -/* The following "print" functions send ACSII to stdout */ -extern void sg_print_command(const unsigned char * command); -extern void sg_print_sense(const char * leadin, - const unsigned char * sense_buffer, int sb_len); -extern void sg_print_status(int masked_status); -extern void sg_print_scsi_status(int scsi_status); -extern void sg_print_host_status(int host_status); -extern void sg_print_driver_status(int driver_status); - -/* sg_chk_n_print() returns 1 quietly if there are no errors/warnings - else it prints to standard output and returns 0. */ -extern int sg_chk_n_print(const char * leadin, int masked_status, - int host_status, int driver_status, - const unsigned char * sense_buffer, int sb_len); - -/* The following function declaration is for the sg version 3 driver. - Only version 3 sg_err.c defines it. */ -struct sg_io_hdr; -extern int sg_chk_n_print3(const char * leadin, struct sg_io_hdr * hp); - - -/* The following "category" function returns one of the following */ -#define SG_ERR_CAT_CLEAN 0 /* No errors or other information */ -#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */ -#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */ -#define SG_ERR_CAT_TIMEOUT 3 -#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */ -#define SG_ERR_CAT_SENSE 98 /* Something else is in the sense buffer */ -#define SG_ERR_CAT_OTHER 99 /* Some other error/warning has occurred */ - -extern int sg_err_category(int masked_status, int host_status, - int driver_status, const unsigned char * sense_buffer, - int sb_len); - -extern int sg_err_category_new(int scsi_status, int host_status, - int driver_status, const unsigned char * sense_buffer, - int sb_len); - -/* The following function declaration is for the sg version 3 driver. - Only version 3 sg_err.c defines it. */ -extern int sg_err_category3(struct sg_io_hdr * hp); - -/* Returns length of SCSI command given the opcode (first byte) */ -extern int sg_get_command_size(unsigned char opcode); - -extern void sg_get_command_name(unsigned char opcode, int buff_len, - char * buff); - -#endif diff --git a/extras/multipath/sg_include.h b/extras/multipath/sg_include.h deleted file mode 100644 index 460506826e..0000000000 --- a/extras/multipath/sg_include.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifdef SG_KERNEL_INCLUDES - #define __user - typedef unsigned char u8; - #include "/usr/src/linux/include/scsi/sg.h" - #include "/usr/src/linux/include/scsi/scsi.h" -#else - #ifdef SG_TRICK_GNU_INCLUDES - #include <linux/../scsi/sg.h> - #include <linux/../scsi/scsi.h> - #else - #include <scsi/sg.h> - #endif -#endif - -/* - Getting the correct include files for the sg interface can be an ordeal. - In a perfect world, one would just write: - #include <scsi/sg.h> - #include <scsi/scsi.h> - This would include the files found in the /usr/include/scsi directory. - Those files are maintained with the GNU library which may or may not - agree with the kernel and version of sg driver that is running. Any - many cases this will not matter. However in some it might, for example - glibc 2.1's include files match the sg driver found in the lk 2.2 - series. Hence if glibc 2.1 is used with lk 2.4 then the additional - sg v3 interface will not be visible. - If this is a problem then defining SG_KERNEL_INCLUDES will access the - kernel supplied header files (assuming they are in the normal place). - The GNU library maintainers and various kernel people don't like - this approach (but it does work). - The technique selected by defining SG_TRICK_GNU_INCLUDES worked (and - was used) prior to glibc 2.2 . Prior to that version /usr/include/linux - was a symbolic link to /usr/src/linux/include/linux . - - There are other approaches if this include "mixup" causes pain. These - would involve include files being copied or symbolic links being - introduced. - - Sorry about the inconvenience. Typically neither SG_KERNEL_INCLUDES - nor SG_TRICK_GNU_INCLUDES is defined. - - dpg 20010415, 20030522 -*/ diff --git a/extras/multipath/unused.c b/extras/multipath/unused.c deleted file mode 100644 index 08144cf717..0000000000 --- a/extras/multipath/unused.c +++ /dev/null @@ -1,95 +0,0 @@ -static int -get_serial (int fd, char * str) -{ - char buff[MX_ALLOC_LEN + 1]; - int len; - - if (0 == do_inq(fd, 0, 1, 0x80, buff, MX_ALLOC_LEN, 0)) { - len = buff[3]; - if (len > 0) { - memcpy(str, buff + 4, len); - buff[len] = '\0'; - } - return 1; - } - return 0; -} - -static int -do_tur(int fd) -{ - unsigned char turCmdBlk[TUR_CMD_LEN] = { 0x00, 0, 0, 0, 0, 0 }; - struct sg_io_hdr io_hdr; - unsigned char sense_buffer[32]; - - memset(&io_hdr, 0, sizeof (struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmd_len = sizeof (turCmdBlk); - io_hdr.mx_sb_len = sizeof (sense_buffer); - io_hdr.dxfer_direction = SG_DXFER_NONE; - io_hdr.cmdp = turCmdBlk; - io_hdr.sbp = sense_buffer; - io_hdr.timeout = 20000; - io_hdr.pack_id = 0; - if (ioctl(fd, SG_IO, &io_hdr) < 0) { - close(fd); - return 0; - } - if (io_hdr.info & SG_INFO_OK_MASK) { - return 0; - } - return 1; -} - -static int -del_map(char * str) { - struct dm_task *dmt; - - if (!(dmt = dm_task_create(DM_DEVICE_REMOVE))) - return 0; - if (!dm_task_set_name(dmt, str)) - goto delout; - if (!dm_task_run(dmt)) - goto delout; - - printf("Deleted device map : %s\n", str); - - delout: - dm_task_destroy(dmt); - return 1; -} - -get_table(const char * str) -{ - int r = 0; - struct dm_task *dmt; - void *next = NULL; - uint64_t start, length; - char *target_type = NULL; - char *params; - - if (!(dmt = dm_task_create(DM_DEVICE_TABLE))) - return 0; - - if (!dm_task_set_name(dmt, str)) - goto out; - - if (!dm_task_run(dmt)) - goto out; - - do { - next = dm_get_next_target(dmt, next, &start, &length, - &target_type, ¶ms); - if (target_type) { - printf("%" PRIu64 " %" PRIu64 " %s %s\n", - start, length, target_type, params); - } - } while (next); - - r = 1; - - out: - dm_task_destroy(dmt); - return r; - -} |