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ee7f31c068
freebsd-dev/sys
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Alexander Motin ee7f31c068 Add support for SCSI UNMAP commands to CTL. 
This patch adds support for three new SCSI commands: UNMAP, WRITE SAME(10)
and WRITE SAME(16).  WRITE SAME commands support both normal write mode
and UNMAP flag.  To properly report UNMAP capabilities this patch also adds
support for reporting two new VPD pages: Block limits and Logical Block
Provisioning.

UNMAP support can be enabled per-LUN by adding "-o unmap=on" to `ctladm
create` command line or "option unmap on" to lun sections of /etc/ctl.conf.

At this moment UNMAP supported for ramdisks and device-backed block LUNs.
It was tested to work great with ZFS ZVOLs.  For file-backed LUNs UNMAP
support is unfortunately missing due to absence of respective VFS KPI.

Reviewed by:	ken
MFC after:	1 month
Sponsored by:	iXsystems, Inc
2014-04-08 20:50:48 +00:00
..
amd64 Make the vmm code compile with gcc too. Not entirely sure things are 2014-04-05 22:43:23 +00:00
arm Updates to i.MX53: 2014-04-08 04:05:04 +00:00
boot (Re)connect sys/boot/amd64 to the build 2014-04-08 19:19:58 +00:00
bsm IFp4 @1192291: 2014-04-07 20:44:00 +00:00
cam Add support for SCSI UNMAP commands to CTL. 2014-04-08 20:50:48 +00:00
cddl In addition to r264077, tell GEOM that we do support BIO_DELETE now. 2014-04-06 16:31:28 +00:00
compat In freebsd32_sendmsg(), replace the call to sockargs() followed by a 2014-04-05 18:56:01 +00:00
conf Put proper ${} around variable expansion. This fixes the build on 9.2 2014-04-08 20:10:57 +00:00
contrib Implement the final missing sysctls by moving ipf_auth_softc_t from 2014-04-07 19:32:56 +00:00
crypto replace the kernel's version w/ cperciva's implementation... In all 2014-03-16 01:43:23 +00:00
ddb ddb: Minor style cleanups. 2014-03-31 16:37:41 +00:00
dev Update to fix at r264244. 2014-04-08 14:18:39 +00:00
fs Fix NFS deadlock vulnerability. [SA-14:05] 2014-04-08 18:27:32 +00:00
gdb
geom An all-or-nothing approach to labels isn't flexible enough. Embedded 2014-04-06 02:44:37 +00:00
gnu Symbolic bindings for the dts files... 2014-02-28 16:51:33 +00:00
i386 Make this compile with gcc. 2014-04-05 22:43:18 +00:00
ia64 Rename __wchar_t so it no longer conflicts with __wchar_t from clang 3.4 2014-04-01 14:46:11 +00:00
isa Remove vestiges of knowing the ISA bus, which we gave up on around 20 2014-03-19 21:03:04 +00:00
kern Add Stacey Son's binary activation patches that allow remapping of 2014-04-08 20:10:22 +00:00
kgssapi
libkern Fix typo 2013-11-29 20:14:26 +00:00
mips Change kernel/rootfs hints to use search patterns instead of absolute 2014-04-04 15:52:45 +00:00
modules Add Stacey Son's binary activation patches that allow remapping of 2014-04-08 20:10:22 +00:00
net Call sctp_addr_change() from rt_addrmsg() instead of rt_newaddrmsg_fib(), 2014-04-07 21:28:21 +00:00
net80211 Remove IPX support. 2014-03-14 02:58:48 +00:00
netgraph Remove AppleTalk support. 2014-03-14 06:29:43 +00:00
netinet Remove a bogus re-assignment. 2014-04-08 01:54:50 +00:00
netinet6 Minor style cleanups. 2014-04-07 01:55:53 +00:00
netipsec The check for local address spoofing lacks ifaddr locking. 2014-04-04 16:58:32 +00:00
netnatm
netpfil Merge from projects/pf r264198: 2014-04-07 07:06:13 +00:00
netsmb Update kernel inclusions of capability.h to use capsicum.h instead; some 2014-03-16 10:55:57 +00:00
nfs - Remove rt_metrics_lite and simply put its members into rtentry. 2014-03-05 01:17:47 +00:00
nfsclient For software builds, the NFS client does many small 2013-12-07 23:05:59 +00:00
nfsserver Update kernel inclusions of capability.h to use capsicum.h instead; some 2014-03-16 10:55:57 +00:00
nlm Correct a typo in nlm_find_host_by_addr(): the intention of the 2014-03-11 00:25:55 +00:00
ofed Rename global cnt to vm_cnt to avoid shadowing. 2014-03-22 10:26:09 +00:00
opencrypto allow the kern.cryptodevallowsoft sysctl to enable symetric/hashes too... 2014-03-11 01:45:46 +00:00
pc98 Rename global cnt to vm_cnt to avoid shadowing. 2014-03-22 10:26:09 +00:00
pci Increase the number of TX DMA segments from 32 to 35. It turned 2014-03-31 01:54:59 +00:00
powerpc Clear the backlight level when it's turned off. Also, reduce the delay times to 2014-04-06 23:57:19 +00:00
rpc Fix lock acquisition in case no request space available, missed in r260097. 2014-02-04 00:00:01 +00:00
security audit: plug FILEDESC_LOCK leak in audit_canon_path. 2014-03-21 01:30:33 +00:00
sparc64 Rename __wchar_t so it no longer conflicts with __wchar_t from clang 3.4 2014-04-01 14:46:11 +00:00
sys Add Stacey Son's binary activation patches that allow remapping of 2014-04-08 20:10:22 +00:00
teken Fix typo. 2014-02-06 13:28:06 +00:00
tools Update NetBSD Foundation copyrights to 2-clause BSD 2014-03-18 01:40:25 +00:00
ufs Update comment to explain search order reverted to historical order 2014-03-22 11:26:39 +00:00
vm Rename global cnt to vm_cnt to avoid shadowing. 2014-03-22 10:26:09 +00:00
x86 Make this compile with gcc. 2014-04-05 22:43:18 +00:00
xdr
xen Make this compile with gcc. 2014-04-05 22:43:18 +00:00
Makefile Remove AppleTalk support. 2014-03-14 06:29:43 +00:00