Commit Graph

8574 Commits

Author SHA1 Message Date
Jochen Voss
683fe1537e [ALSA] Revolution 5.1 - add AK5365 ADC support
Add support for the AK5365 ADC.

Signed-off-by: Jochen Voss <voss@seehuhn.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:40:18 +02:00
Takashi Iwai
548a648b98 [ALSA] Fix control/status mmap with shared PCM substream
The flag to avoid 32bit-incompatible mmap for control/status records
should be outside the pcm substream instance since a substream can be
shared among multiple opens.  Now it's flagged in pcm_file list that
is directly assigned to file->private_data.
Also, removed snd_pcm_add_file() and remove_file() functions and
substream.files field that are not really used in the code.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:39:50 +02:00
James Courtier-Dutton
31508f83f5 [ALSA] snd-emu10k1: Implement dB gain infomation.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:38:32 +02:00
Takashi Iwai
6a65d793b0 [ALSA] Remove unused tlv_rw field from struct snd_kcontrol
Remove unused tlv_rw field from struct snd_kcontrol.  The callback is
set in tlv.c field, instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:37:49 +02:00
Jaroslav Kysela
8aa9b586e4 [ALSA] Control API - more robust TLV implementation
- added callback option
- added READ/WRITE/COMMAND flags to access member
- added WRITE/COMMAND ioctls
- added SNDRV_CTL_EVENT_MASK_TLV for TLV change notifications
- added TLV support to ELEM_ADD ioctl

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:37:26 +02:00
Takashi Iwai
6dbe662874 [ALSA] Add experimental support of aggressive AC97 power-saving mode
Added CONFIG_SND_AC97_POWER_SAVE kernel config to enable the support
of aggressive AC97 power-saving mode.  In this mode, the AC97
powerdown register bits are dynamically controlled at each open/close
of PCM streams.
The mode is activated via power_save option for snd-ac97-codec
driver.  As default it's off.  It can be turned on/off on the fly
via sysfs, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:37:08 +02:00
Takashi Iwai
2b29b13c57 [ALSA] Deprecate snd_card_free_in_thread()
Deprecated snd_card_free_in_thread(), replaced with
snd_card_free_when_closed().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:37:03 +02:00
Takashi Iwai
c461482c80 [ALSA] Unregister device files at disconnection
Orignally proposed by Sam Revitch <sam.revitch@gmail.com>.
Unregister device files at disconnection to avoid the futher accesses.
Also, the dev_unregister callback is removed and replaced with the
combination of disconnect + free.
A new function snd_card_free_when_closed() is introduced, which is
used in USB disconnect callback.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:36:58 +02:00
Takashi Iwai
746d4a02e6 [ALSA] Fix disconnection of proc interface
- Add the linked list to each proc entry to enable a single-shot
  disconnection (unregister)
- Deprecate snd_info_unregister(), use snd_info_free_entry()
- Removed NULL checks of snd_info_free_entry()

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:36:48 +02:00
Jaroslav Kysela
42750b04c5 [ALSA] Control API - TLV implementation for additional information like dB scale
This patch implements a TLV mechanism to transfer an additional information
like dB scale to the user space. The types might be extended in future.
Acked-by: Takashi Iwai <tiwai@suse.de>

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:36:42 +02:00
Linus Torvalds
6585b57240 Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart:
  [AGPGART] Rework AGPv3 modesetting fallback.
  [AGPGART] Add suspend callback for i965
  [AGPGART] Fix number of aperture sizes in 830 gart structs.
  [AGPGART] Intel 965 Express support.
  [AGPGART] agp.h: constify struct agp_bridge_data::version
  [AGPGART] const'ify VIA AGP PCI table.
  [AGPGART] CONFIG_PM=n slim: drivers/char/agp/intel-agp.c
  [AGPGART] CONFIG_PM=n slim: drivers/char/agp/efficeon-agp.c
  [AGPGART] Const'ify the agpgart driver version.
  [AGPGART] remove private page protection map
2006-09-22 17:50:50 -07:00
Al Viro
a83fbf6359 [PATCH] fix missing ifdefs in syscall classes hookup for generic targets
several targets have no ....at() family and m32r calls its only chown variant
chown32(), with __NR_chown being undefined.  creat(2) is also absent in some
targets.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-22 17:48:56 -07:00
Michael S. Tsirkin
aec79fcc3e IB/sa: fix ib_sa_selector names
Relevant SA queries are actually "greater than" / "less than", not
"greater than or equal" / "less than or equal" as the names imply.
(See IB spec 1.2 Vol 1, 15.2.5.16 PATHRECORD/Table 205 PathRecord)

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:55 -07:00
Or Gerlitz
951f7fc137 RDMA/cma: Document rdma_accept() error handling
Document the reject sending and modifying QP to error done in rdma_accept().

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:54 -07:00
Or Gerlitz
07eeec0627 RDMA/cma: Document rdma_destroy_id() function
Clarify that rdma_destroy_id cancels outstanding asynchronous operations on the
Associated id.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:54 -07:00
Michael S. Tsirkin
c1a0b23bf4 IB/sa: Require SA registration
Require users to register with SA module, to prevent the sa_query
module text from going away while an SA query callback is still
running.  Update all in-tree users for the new interface.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:53 -07:00
Tom Tucker
07ebafbaaa RDMA: iWARP Core Changes.
Modifications to the existing rdma header files, core files, drivers,
and ulp files to support iWARP, including:
 - Hook iWARP CM into the build system and use it in rdma_cm.
 - Convert enum ib_node_type to enum rdma_node_type, which includes
   the possibility of RDMA_NODE_RNIC, and update everything for this.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:47 -07:00
Tom Tucker
922a8e9fb2 RDMA: iWARP Connection Manager.
Add an iWARP Connection Manager (CM), which abstracts connection
management for iWARP devices (RNICs).  It is a logical instance of the
xx_cm where xx is the transport type (ib or iw).  The symbols exported
are used by the transport independent rdma_cm module, and are
available also for transport dependent ULPs.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-09-22 15:22:46 -07:00
Ralph Campbell
9bc57e2d19 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>
2006-09-22 15:22:25 -07:00
Ralph Campbell
64f817ba98 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>
2006-09-22 15:22:24 -07:00
Linus Torvalds
e6e5fee142 Merge git://git.infradead.org/~dwmw2/hdroneline
* git://git.infradead.org/~dwmw2/hdroneline:
  [HEADERS] One line per header in Kbuild files to reduce conflicts

Manual (trivial) conflict resolution in include/asm-s390/Kbuild
2006-09-22 12:56:22 -07:00
Linus Torvalds
6bbd9b6d69 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* 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
  ...
2006-09-22 12:51:33 -07:00
Linus Torvalds
a489d15922 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.
  ...
2006-09-22 12:50:35 -07:00
Linus Torvalds
a48178a2fa Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6:
  Remove accidentally-added include/linux/utsrelease.h
  Revert "[MTD] blkdev helper code: fix printk format warning"
  [MTD] Add SSFDC (SmartMedia) read-only translation layer
  [MTD] pmc551 pci cleanup
  [MTD] pmc551 use kzalloc
  [MTD] pmc551 whitespace cleanup
  [MTD] Remove iq80310 map driver
  [MTD NAND] Fix in typo ndfc.c causing wrong ECC layout
  [MTD] physmap: add power management support
  ioremap balanced with iounmap for drivers/mtd subsystem
  [MTD] Switch to pci_get_device and do ref counting
  [MTD] blkdev helper code: fix printk format warning
  [MTD] Fix ixp4xx partition parsing.
  [JFFS2] Remove unneeded ifdefs from jffs2_fs_i.h
  [MTD NAND] Remove old code in au1550nd.c
  [MTD] Unlock NOR flash automatically where necessary
2006-09-22 12:49:18 -07:00
Linus Torvalds
14d1adfc59 Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (114 commits)
  [POWERPC] Fix ohare IDE irq workaround on old powermacs
  [POWERPC] EEH: Power4 systems sometimes need multiple resets.
  [POWERPC] Include <asm/mmu.h> in arch/powerpc/sysdev/fsl_soc.h for phys_addr_t.
  [POWERPC] Demacrofy arch/powerpc/platforms/maple/pci.c
  [POWERPC] Maple U3 HT - reject inappropriate config space access
  [POWERPC] Fix IPIC pending register assignments
  [POWERPC] powerpc: fix building gdb against asm/ptrace.h
  [POWERPC] Remove DISCONTIGMEM cruft from page.h
  [POWERPC] Merge iSeries i/o operations with the rest
  [POWERPC] 40x: Fix debug status register defines
  [POWERPC] Fix compile error in sbc8560
  [POWERPC] EEH: support MMIO enable recovery step
  [POWERPC] EEH: enable MMIO/DMA on frozen slot
  [POWERPC] EEH: code comment cleanup
  [POWERPC] EEH: balance pcidev_get/put calls
  [POWERPC] PPC: Fix xmon stack frame address in backtrace
  [POWERPC] Add AT_PLATFORM value for Xilinx Virtex-4 FX
  [POWERPC] Start arch/powerpc/boot code reorganization
  [POWERPC] Define of_read_ulong helper
  [POWERPC] iseries: eliminate a couple of warnings
  ...
2006-09-22 12:48:03 -07:00
David Woodhouse
734a56285d Remove accidentally-added include/linux/utsrelease.h
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-09-22 18:41:20 +01:00
Amol Lad
25f0c659fe 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>
2006-09-22 10:24:31 +01:00
Håvard Skinnemoen
187ef15268 [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>
2006-09-22 10:07:08 +01:00
Arnd Bergmann
7d452c326c [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>
2006-09-22 15:19:58 +10:00
Michael Ellerman
2954da897c [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>
2006-09-22 15:19:58 +10:00
Stephen Rothwell
caf81329c3 [POWERPC] Merge iSeries i/o operations with the rest
This patch changes the io operations so that they are out of line if
CONFIG_PPC_ISERIES is set and includes a firmware feature check in
that case.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-22 15:19:58 +10:00
Josh Boyer
7da8a2e5c1 [POWERPC] 40x: Fix debug status register defines
This fixes some debug register defines on PPC 40x that were incorrect.

Signed-off-by: Josh Boyer <jdub@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-21 22:59:39 +10:00
Linas Vepstas
47b5c838af [POWERPC] EEH: enable MMIO/DMA on frozen slot
Add wrapper around the rtas call to enable MMIO or DMA on a frozen pci
slot.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-21 22:59:14 +10:00
Herbert Xu
3ad819c61f [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>
2006-09-21 11:46:23 +10:00
Herbert Xu
6010439f47 [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>
2006-09-21 11:46:22 +10:00
Herbert Xu
e4d5b79c66 [CRYPTO] users: Use crypto_comp and crypto_has_*
This patch converts all users to use the new crypto_comp type and the
crypto_has_* functions.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21 11:46:22 +10:00
Herbert Xu
fce32d70ba [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>
2006-09-21 11:46:21 +10:00
Herbert Xu
8425165dfe [CRYPTO] digest: Remove old HMAC implementation
This patch removes the old HMAC implementation now that nobody uses it
anymore.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-21 11:46:20 +10:00
Herbert Xu
1b489e11d4 [SCTP]: Use HMAC template and hash interface
This patch converts SCTP to use the new HMAC template and hash interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-21 11:46:19 +10:00
Herbert Xu
07d4ee583e [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>
2006-09-21 11:46:18 +10:00
Herbert Xu
055bcee310 [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>
2006-09-21 11:46:17 +10:00
Herbert Xu
7226bc877a [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>
2006-09-21 11:46:16 +10:00
Herbert Xu
03fd9cee7f [PATCH] scatterlist: Add const to sg_set_buf/sg_init_one pointer argument
This patch adds a const modifier to the buf argument of sg_set_buf and
sg_init_one.  This lets people call it with pointers that are const.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21 11:46:16 +10:00
Herbert Xu
378c6697a2 [SUNRPC] GSS: Use block ciphers where applicable
This patch converts SUNRPC/GSS to use the new block cipher type where
applicable.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21 11:46:15 +10:00
Herbert Xu
6b7326c849 [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>
2006-09-21 11:46:14 +10:00
Herbert Xu
04ff126094 [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>
2006-09-21 11:46:14 +10:00
Herbert Xu
db131ef908 [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>
2006-09-21 11:44:08 +10:00
Herbert Xu
5cde0af2a9 [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>
2006-09-21 11:41:52 +10:00
Herbert Xu
5c64097aa0 [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>
2006-09-21 11:41:52 +10:00
Herbert Xu
f28776a369 [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>
2006-09-21 11:41:51 +10:00