Bryan O'Sullivan [Fri, 25 Aug 2006 18:24:34 +0000 (11:24 -0700)]
IB/ipath: remove stale references to userspace SMA
When we first submitted a userspace subnet management agent, it was
rejected, so we left it out of the final driver submission. This patch
removes a number of vestigial references to it.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Bryan O'Sullivan [Fri, 25 Aug 2006 18:24:32 +0000 (11:24 -0700)]
IB/ipath: simplify layering code
A lot of ipath layer code was only called in one place. Now that the
ipath_core and ib_ipath drivers are merged, it's more sensible to simply
inline the simple stuff that the layer code was doing.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Bryan O'Sullivan [Fri, 25 Aug 2006 18:24:29 +0000 (11:24 -0700)]
IB/ipath: fix handling of kpiobufs
Change comment: no longer imply that user can set ipath_kpiobufs to zero.
Actually set ipath_kpiobufs from parameter. Previously only altered
per-device ipath_lastport_piobuf, which was over-written in chip init.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Bryan O'Sullivan [Fri, 25 Aug 2006 18:24:26 +0000 (11:24 -0700)]
IB/ipath: More changes to support InfiniPath on PowerPC 970 systems
Ordering of writethrough store buffers needs to be forced, and we need
to use ifdef to get writethrough behavior to InfiniPath buffers, because
there is no generic way to specify that at this time (similar to code
in char/drm/drm_vm.c and block/z2ram.c).
Signed-off-by: John Gregor <john.gregor@qlogic.com> Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Ralph Campbell [Fri, 22 Sep 2006 22:22:26 +0000 (15:22 -0700)]
IB/ipath: Performance improvements via mmap of queues
Improve performance of userspace post receive, post SRQ receive, and
poll CQ operations for ipath by allowing userspace to directly mmap()
receive queues and completion queues. This eliminates the copying
between userspace and the kernel in the data path.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Ralph Campbell [Fri, 11 Aug 2006 21:58:09 +0000 (14:58 -0700)]
IB/uverbs: Pass userspace data to modify_srq and modify_qp methods
Pass a struct ib_udata to the low-level driver's ->modify_srq() and
->modify_qp() methods, so that it can get to the device-specific data
passed in by the userspace driver.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Ralph Campbell [Fri, 22 Sep 2006 22:22:24 +0000 (15:22 -0700)]
IB/uverbs: Allow resize CQ operation to return driver-specific data
Add a ib_uverbs_resize_cq_resp.driver_data field so that low-level
drivers can return data from a resize CQ operation to userspace. Have
ib_uverbs_resize_cq() only copy the cqe field, to avoid having to bump
the userspace ABI.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Ishai Rabinovitz [Tue, 15 Aug 2006 14:34:52 +0000 (17:34 +0300)]
IB/srp: Add port/device attributes
Add local_ib_device and local_ib_port attributes to srp scsi_host.
These are needed when we want to connect to the same target through
multiple distinct ports.
Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Roland Dreier [Fri, 22 Sep 2006 22:17:20 +0000 (15:17 -0700)]
IB/uverbs: Fix lockdep warning when QP is created with 2 CQs
Lockdep warns when userspace creates a QP that uses different CQs for
send completions and receive completions, because both CQs are locked
and their mutexes belong to the same lock class. However, we know
that the mutexes are distinct and the nesting is safe (there is no
possibility of AB-BA deadlock because the mutexes are locked with
down_read()), so annotate the situation with SINGLE_DEPTH_NESTING to
get rid of the lockdep warning.
Prevent flush task from freeing the ipoib_neigh pointer, while
ipoib_start_xmit() is accessing the ipoib_neigh through the pointer it
has loaded from the skb's hardware address.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Jack Morgenstein [Tue, 19 Sep 2006 08:13:24 +0000 (11:13 +0300)]
IB/mthca: Fix lid used for sending traps
The SM LID used to send traps to is incorrectly set to port LID. This
is a regression from 2.6.17 -- after a PortInfo MAD is received, no
traps are sent to the SM LID. The traps go to the loopback interface
instead, and are dropped there. The SM LID should be taken from the
sm_lid of the PortInfo response.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (64 commits)
[BLOCK] dm-crypt: trivial comment improvements
[CRYPTO] api: Deprecate crypto_digest_* and crypto_alg_available
[CRYPTO] padlock: Convert padlock-sha to use crypto_hash
[CRYPTO] users: Use crypto_comp and crypto_has_*
[CRYPTO] api: Add crypto_comp and crypto_has_*
[CRYPTO] users: Use crypto_hash interface instead of crypto_digest
[SCSI] iscsi: Use crypto_hash interface instead of crypto_digest
[CRYPTO] digest: Remove old HMAC implementation
[CRYPTO] doc: Update documentation for hash and me
[SCTP]: Use HMAC template and hash interface
[IPSEC]: Use HMAC template and hash interface
[CRYPTO] tcrypt: Use HMAC template and hash interface
[CRYPTO] hmac: Add crypto template implementation
[CRYPTO] digest: Added user API for new hash type
[CRYPTO] api: Mark parts of cipher interface as deprecated
[PATCH] scatterlist: Add const to sg_set_buf/sg_init_one pointer argument
[CRYPTO] drivers: Remove obsolete block cipher operations
[CRYPTO] users: Use block ciphers where applicable
[SUNRPC] GSS: Use block ciphers where applicable
[IPSEC] ESP: Use block ciphers where applicable
...
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (44 commits)
[S390] hypfs crashes with invalid mount option.
[S390] cio: subchannel evaluation function operates without lock
[S390] cio: always query all paths on path verification.
[S390] cio: update path groups on logical CHPID changes.
[S390] cio: subchannels in no-path state.
[S390] Replace nopav-message on VM.
[S390] set modalias for ccw bus uevents.
[S390] Get rid of DBG macro.
[S390] Use alternative user-copy operations for new hardware.
[S390] Make user-copy operations run-time configurable.
[S390] Cleanup in signal handling code.
[S390] Cleanup in page table related code.
[S390] Linux API for writing z/VM APPLDATA Monitor records.
[S390] xpram off by one error.
[S390] Remove kexec experimental flag.
[S390] cleanup appldata.
[S390] fix typo in vmcp.
[S390] Kernel stack overflow handling.
[S390] qdio slsb processing state.
[S390] Missing initialization in common i/o layer.
...
The 'flags' field of the struct request is 'unsigned long'. Quite
how Randy came to see 'long int format, different type arg' I don't
know, but it doesn't seem to be the case any more.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
The iq80310 mtd map driver depends on ARCH_IQ80310, which isn't
defined anywhere in the tree (as we don't have 80310 support), and
furthermore, everything the driver does can be done with physmap
instead.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
ioremap balanced with iounmap for drivers/mtd subsystem
ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.
Tested (compilation only) with:
- allmodconfig
- Modifying drivers/mtd/maps/Kconfig and drivers/mtd/nand/Kconfig to
make sure that the changed file is compiling without warning
Signed-off-by: Amol Lad <amol@verismonetworks.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Brian Walsh [Fri, 22 Sep 2006 09:16:16 +0000 (10:16 +0100)]
[MTD] Fix ixp4xx partition parsing.
If the amount of flash is not divisible by 2 then the mask in
parse_mtd_partitions would fail to work as designed. Passing in the base
address corrects this problem.
Signed-off-by: Brian Walsh <brian@walsh.ws> Cc: Deepak Sanexa <dsanexa@mvista.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
We certainly don't need the check for Linux version > 2.5.2, and in fact
we can also live without the __ECOS check, since we can just add it back
in the eCos git tree which is automatically derived from the Linux fs/jffs2
subdirectory in the upstream git tree.
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
[MTD] Unlock NOR flash automatically where necessary
Introduce the MTD_STUPID_LOCK flag which indicates that the flash chip is
always locked after power-up, so all sectors need to be unlocked before it
is usable.
If this flag is set, and the chip provides an unlock() operation,
mtd_add_device will unlock the whole MTD device if it's writeable. This
means that non-writeable partitions will stay locked.
Set MTD_STUPID_LOCK in fixup_use_atmel_lock() so that these chips will work
as expected.
Signed-off-by: Håvard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
[POWERPC] EEH: Power4 systems sometimes need multiple resets.
On detection of an EEH error, some Power4 systems seem to occasionally
want to be reset twice before they report themselves as fully recovered.
This patch re-arranges the code to attempt additional resets if the first
one doesn't take.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
[POWERPC] Maple U3 HT - reject inappropriate config space access
When there is a PCI-X mode 2 capable device behind the HT<->PCI-X
bridge, the pci core decides that the device has the extended 4K
config space, even though the bus is not operating in mode 2. This is
because the u3_ht pci ops silently accept offsets greater than 255 but
use only the 8 least significant bits, which means reading at offset
0x100 gets the data at offset 0x0, and causes confusion for lspci.
Reject accesses to configuration space offsets greater than 255.
Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Scott Wood [Thu, 21 Sep 2006 18:10:51 +0000 (13:10 -0500)]
[POWERPC] Fix IPIC pending register assignments
This patch fixes the assignment of pending registers to IRQ numbers for
the IPIC; the code previously assigned all IRQs to the high pending word
regardless of which word the interrupt belonged to.
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
[POWERPC] powerpc: fix building gdb against asm/ptrace.h
Ulrich Weigand found a bug with the current version of the
asm-powerpc/ptrace.h that prevents building at least the
SPU target version of gdb, since some ptrace opcodes are
not defined.
The problem seems to have originated in the merging of 32 and
64 bit versions of that file, the problem is that some opcodes
are only valid on 64 bit kernels, but are also used by 32 bit
programs, so they can't depends on the __powerpc64__ symbol.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Michael Ellerman [Thu, 21 Sep 2006 08:21:35 +0000 (18:21 +1000)]
[POWERPC] Remove DISCONTIGMEM cruft from page.h
This looks like cruft to me, these functions don't exist AFAICT,
and I can't see that it's possible to even enable DISCONTIGMEM on
powerpc anymore. CC'ing some folks who might know better, based on
the who-touched-it-last principle.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Add code to enable MMIO if a device driver reports that it is capable
of recovering on its own. One anticipated use of this having a device
driver enable MMIO so that it can take a register dump, which might
then be followed by the device driver requesting a full reset.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
This corrects a pci_dev get/put imbalance that can occur only in
highly unlikely situations (kmalloc failures, pci devices with
overlapping resource addresses). No actual failures seen, this was
spotted during code review.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
[POWERPC] PPC: Fix xmon stack frame address in backtrace
The stack frame address was being printed incorrectly in the backtrace
option of XMON on PPC. This patch fixes it to print the actual stack
address instead of the address of the local variable that contains it.
Signed-off-by: Josh Boyer <jdub@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Peter Bergner [Thu, 14 Sep 2006 19:18:38 +0000 (14:18 -0500)]
[POWERPC] Add AT_PLATFORM value for Xilinx Virtex-4 FX
Jakub noticed the cputable.c entry for Xilinx Virtex-4 FX was missing
a .platform value, so the AT_PLATFORM value wouldn't be set correctly.
This adds it.
Signed-off-by: Peter Bergner <bergner@vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Herbert Xu [Sat, 26 Aug 2006 08:44:31 +0000 (18:44 +1000)]
[CRYPTO] api: Deprecate crypto_digest_* and crypto_alg_available
This patch marks the crypto_digest_* functions and crypto_alg_available
as deprecated. They've been replaced by crypto_hash_* and crypto_has_*
respectively.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sat, 26 Aug 2006 08:34:10 +0000 (18:34 +1000)]
[CRYPTO] padlock: Convert padlock-sha to use crypto_hash
This patch converts padlock-sha to use crypto_hash for its fallback.
It also changes the fallback selection to use selection by type instead
of name. This is done through the new CRYPTO_ALG_NEED_FALLBACK bit,
which is set if and only if an algorithm needs a fallback of the same
type.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sat, 26 Aug 2006 07:35:45 +0000 (17:35 +1000)]
[CRYPTO] api: Add crypto_comp and crypto_has_*
This patch adds the crypto_comp type to complete the compile-time checking
conversion. The functions crypto_has_alg and crypto_has_cipher, etc. are
also added to replace crypto_alg_available.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 20 Aug 2006 05:17:04 +0000 (15:17 +1000)]
[CRYPTO] doc: Update documentation for hash and me
This patch updates the documentation to reflect the switch from digest
to hash. It also replaces notes about emailing James Morris to refer
to me instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 20 Aug 2006 04:24:50 +0000 (14:24 +1000)]
[IPSEC]: Use HMAC template and hash interface
This patch converts IPsec to use the new HMAC template. The names of
existing simple digest algorithms may still be used to refer to their
HMAC composites.
The same structure can be used by other MACs such as AES-XCBC-MAC.
This patch also switches from the digest interface to hash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 19 Aug 2006 11:38:49 +0000 (21:38 +1000)]
[CRYPTO] tcrypt: Use HMAC template and hash interface
This patch converts tcrypt to use the new HMAC template rather than the
hard-coded version of HMAC. It also converts all digest users to use
the new cipher interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Mon, 21 Aug 2006 10:50:52 +0000 (20:50 +1000)]
[CRYPTO] hmac: Add crypto template implementation
This patch rewrites HMAC as a crypto template. This means that HMAC is no
longer a hard-coded part of the API. It's now a template that generates
standard digest algorithms like any other.
The old HMAC is preserved until all current users are converted.
The same structure can be used by other MACs such as AES-XCBC-MAC.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 19 Aug 2006 12:24:23 +0000 (22:24 +1000)]
[CRYPTO] digest: Added user API for new hash type
The existing digest user interface is inadequate for support asynchronous
operations. For one it doesn't return a value to indicate success or
failure, nor does it take a per-operation descriptor which is essential
for the issuing of requests while other requests are still outstanding.
This patch is the first in a series of steps to remodel the interface
for asynchronous operations.
For the ease of transition the new interface will be known as "hash"
while the old one will remain as "digest".
This patch also changes sg_next to allow chaining.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 11:40:49 +0000 (21:40 +1000)]
[CRYPTO] api: Mark parts of cipher interface as deprecated
Mark the parts of the cipher interface that have been replaced by
block ciphers as deprecated. Thanks to Andrew Morton for suggesting
doing this before removing them completely.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch removes obsolete block operations of the simple cipher type
from drivers. These were preserved so that existing users can make a
smooth transition. Now that the transition is complete, they are no
longer needed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Tue, 22 Aug 2006 10:36:13 +0000 (20:36 +1000)]
[CRYPTO] users: Use block ciphers where applicable
This patch converts all remaining users to use the new block cipher type
where applicable. It also changes all simple cipher operations to use
the new encrypt_one/decrypt_one interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 30 Jul 2006 05:41:01 +0000 (15:41 +1000)]
[IPSEC] ESP: Use block ciphers where applicable
This patch converts IPSec/ESP to use the new block cipher type where
applicable. Similar to the HMAC conversion, existing algorithm names
have been kept for compatibility.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sat, 12 Aug 2006 22:50:00 +0000 (08:50 +1000)]
[IPSEC]: Add compatibility algorithm name support
This patch adds a compatibility name field for each IPsec algorithm. This
is needed when parameterised algorithms are used. For example, "md5" will
become "hmac(md5)", and "aes" will become "cbc(aes)".
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Tue, 22 Aug 2006 10:29:17 +0000 (20:29 +1000)]
[BLOCK] dm-crypt: Use block ciphers where applicable
This patch converts dm-crypt to use the new block cipher type where
applicable. It also changes simple cipher operations to use the new
encrypt_one/decrypt_one interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Thu, 21 Sep 2006 01:45:53 +0000 (11:45 +1000)]
[BLOCK] cryptoloop: Use block ciphers where applicable
This patch converts cryptoloop to use the new block cipher type where
applicable. As a result the ECB-specific and CBC-specific transfer
functions have been merged.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 11:39:24 +0000 (21:39 +1000)]
[CRYPTO] s390: Added block cipher versions of CBC/ECB
This patch adds block cipher algorithms for S390. Once all users of the
old cipher type have been converted the existing CBC/ECB non-block cipher
operations will be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 11:38:42 +0000 (21:38 +1000)]
[CRYPTO] padlock: Added block cipher versions of CBC/ECB
This patch adds block cipher algorithms for cbc(aes) and ecb(aes) for
the PadLock device. Once all users to the old cipher type have been
converted the old cbc/ecb PadLock operations will be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Thu, 21 Sep 2006 01:44:08 +0000 (11:44 +1000)]
[CRYPTO] cipher: Added block ciphers for CBC/ECB
This patch adds two block cipher algorithms, CBC and ECB. These
are implemented as templates on top of existing single-block cipher
algorithms. They invoke the single-block cipher through the new
encrypt_one/decrypt_one interface.
This also optimises the in-place encryption and decryption to remove
the cost of an IV copy each round.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 14:07:53 +0000 (00:07 +1000)]
[CRYPTO] cipher: Added block cipher type
This patch adds the new type of block ciphers. Unlike current cipher
algorithms which operate on a single block at a time, block ciphers
operate on an arbitrarily long linear area of data. As it is block-based,
it will skip any data remaining at the end which cannot form a block.
The block cipher has one major difference when compared to the existing
block cipher implementation. The sg walking is now performed by the
algorithm rather than the cipher mid-layer. This is needed for drivers
that directly support sg lists. It also improves performance for all
algorithms as it reduces the total number of indirect calls by one.
In future the existing cipher algorithm will be converted to only have
a single-block interface. This will be done after all existing users
have switched over to the new block cipher type.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sat, 12 Aug 2006 11:56:17 +0000 (21:56 +1000)]
[CRYPTO] scatterwalk: Prepare for block ciphers
This patch prepares the scatterwalk code for use by the new block cipher
type.
Firstly it halves the size of scatter_walk on 32-bit platforms. This
is important as we allocate at least two of these objects on the stack
for each block cipher operation.
It also exports the symbols since the block cipher code can be built as
a module.
Finally there is a hack in scatterwalk_unmap that relies on progress
being made. Unfortunately, for hardware crypto we can't guarantee
progress to be made since the hardware can fail.
So this also gets rid of the hack by not advancing the address returned
by scatterwalk_map.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 13 Aug 2006 10:58:18 +0000 (20:58 +1000)]
[CRYPTO] cipher: Added encrypt_one/decrypt_one
This patch adds two new operations for the simple cipher that encrypts or
decrypts a single block at a time. This will be the main interface after
the existing block operations have moved over to the new block ciphers.
It also adds the crypto_cipher type which is currently only used on the
new operations but will be extended to setkey as well once existing users
have been converted to use block ciphers where applicable.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 14:06:54 +0000 (00:06 +1000)]
[CRYPTO] api: Added crypto_type support
This patch adds the crypto_type structure which will be used for all new
crypto algorithm types, beginning with block ciphers.
The primary purpose of this abstraction is to allow different crypto_type
objects for crypto algorithms of the same type, in particular, there will
be a different crypto_type objects for asynchronous algorithms.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 30 Jul 2006 01:53:45 +0000 (11:53 +1000)]
[CRYPTO] api: Feed flag directly to crypto_yield
The sleeping flag used to determine whether crypto_yield can actually
yield is really a per-operation flag rather than a per-tfm flag. This
patch changes crypto_yield to take a flag directly so that we can start
using a per-operation flag instead the tfm flag.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 30 Jul 2006 01:53:01 +0000 (11:53 +1000)]
[CRYPTO] api: Added crypto_alloc_base
Up until now all crypto transforms have been of the same type, struct
crypto_tfm, regardless of whether they are ciphers, digests, or other
types. As a result of that, we check the types at run-time before
each crypto operation.
This is rather cumbersome. We could instead use different C types for
each crypto type to ensure that the correct types are used at compile
time. That is, we would have crypto_cipher/crypto_digest instead of
just crypto_tfm. The appropriate type would then be required for the
actual operations such as crypto_digest_digest.
Now that we have the type/mask fields when looking up algorithms, it
is easy to request for an algorithm of the precise type that the user
wants. However, crypto_alloc_tfm currently does not expose these new
attributes.
This patch introduces the function crypto_alloc_base which will carry
these new parameters. It will be renamed to crypto_alloc_tfm once
all existing users have been converted.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Mon, 21 Aug 2006 11:18:50 +0000 (21:18 +1000)]
[CRYPTO] s390: Added missing driver name and priority
Accelerated versions of crypto algorithms must carry a distinct driver name
and priority in order to distinguish themselves from their generic counter-
part.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Herbert Xu [Sun, 6 Aug 2006 13:10:45 +0000 (23:10 +1000)]
[CRYPTO] api: Add common instance initialisation code
This patch adds the helpers crypto_get_attr_alg and crypto_alloc_instance
which can be used by simple one-argument templates like hmac to process
input parameters and allocate instances.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
projects / linux-2.6 / log