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72 Commits

Author SHA1 Message Date
Hajimu UMEMOTO
68527b3aad stop including rijndael-api-fst.h from rijndael.h. 
this is required to integrate opencrypto into crypto.
 2005-03-11 15:42:51 +00:00
Warner Losh
fa521b0366 /* -> /*- for copyright notices, minor format tweaks as necessary 2005-01-06 18:27:30 +00:00
Christian Brueffer
44d086bde6 Fix typo in a comment. 
MFC after:	3 days
 2004-12-15 12:18:41 +00:00
Poul-Henning Kamp
4090065137 Fix a problem that shows up if less than the full complement of 
lock sectors are defined ("number_of_keys" argument to gbde init being
less than 4 in the default compile).
 2004-09-11 17:58:53 +00:00
Poul-Henning Kamp
cbca0b53e5 Respect that G_BDE_MAXKEYS is a compile time variable. 2004-09-11 17:57:51 +00:00
Poul-Henning Kamp
5721c9c76a Tag all geom classes in the tree with a version number. 2004-08-08 07:57:53 +00:00
Poul-Henning Kamp
650ee351b3 Use default method initialization on geoms. 2004-08-08 06:49:07 +00:00
John Baldwin
6074439965 kthread_exit() no longer requires Giant, so don't force callers to acquire 
Giant just to call kthread_exit().

Requested by:	many
 2004-03-05 22:42:17 +00:00
Poul-Henning Kamp
281591449a Do not check error code from closing ->access() calls, we know they succeed. 2004-02-14 17:59:44 +00:00
Poul-Henning Kamp
d2bae332d6 Remove the absolute count g_access_abs() function since experience has 
shown that it is not useful.

Rename the relative count g_access_rel() function to g_access(), only
the name has changed.

Change all g_access_rel() calls in our CVS tree to call g_access() instead.

Add an #ifndef BURN_BRIDGES #define of g_access_rel() for source
code compatibility.
 2004-02-12 22:42:11 +00:00
Poul-Henning Kamp
df3df337b8 Polish the work/state engine in preparation for HW-crypto support. 2004-02-08 10:19:18 +00:00
Poul-Henning Kamp
d091e630f1 Add a missing error case return. 
Problem reported by:	Flemming Jacobsen <fj@batmule.dk>
 2004-02-08 09:39:02 +00:00
Poul-Henning Kamp
3aa5a3ad90 We don't need to hold Giant to create the worker kthread. 2004-02-07 23:01:17 +00:00
Poul-Henning Kamp
bbf53bc053 Remove the MD5_KEY debugging tool 2004-01-23 11:47:06 +00:00
Poul-Henning Kamp
f4db0cbe58 Interior decoration changes. 2003-10-07 09:28:07 +00:00
Poul-Henning Kamp
d5ce9dac89 Correct bzero length so we clear the entire key structure. 2003-09-08 18:35:26 +00:00
Poul-Henning Kamp
a8c1568e29 Bzero the right number of bytes. 
Found by:	Juergen Buchmueller <pullmoll@stop1984.com>
 2003-09-06 18:37:17 +00:00
Poul-Henning Kamp
83d771de78 Simplify the GEOM OAM api: Drop the request type, and let everything 
hinge on the "verb" parameter which the class gets to interpret as
it sees fit.

Move the entire request into the kernel and move changed parameters
back when done.
 2003-06-01 13:47:51 +00:00
Poul-Henning Kamp
68283a9b5a Remove unused variable. 
Found by:       FlexeLint
 2003-05-31 19:28:53 +00:00
Poul-Henning Kamp
fc29c9de5c Don't use & in front of arrays. 
Found by:       FlexeLint
 2003-05-31 19:23:11 +00:00
Poul-Henning Kamp
a980e07369 Remove unused variable. 
Found by:       FlexeLint
 2003-05-31 19:08:23 +00:00
Poul-Henning Kamp
f075585f67 Remove the G_CLASS_INITIALIZER, we do not need it anymore. 2003-05-31 16:59:27 +00:00
Poul-Henning Kamp
c0c393a2aa Re-order the the initialization slightly to improve structure. 2003-05-05 08:58:12 +00:00
Poul-Henning Kamp
0195276f54 Use a dedicated malloc(9) bucket for sector storage. 2003-05-05 08:37:07 +00:00
Poul-Henning Kamp
039b4cba75 Considering that I did cast the arguments to (intmax_t) I must have 
been sleepy since I used %qd instead of %jd.
 2003-05-02 19:08:57 +00:00
Poul-Henning Kamp
c7f3baedf3 Fix an obscure fencepost error in GBDE's sector mapping code: 
For certain combinations of sectorsize, mediasize and random numbers
(used to define the mapping), a multisector read or write would ignore
some subset of the sectors past the first sector in the request because
those sectors would be mapped past the end of the parent device, and
normal "end of media" truncation would zap that part of the request.

Rev 1.19+1.20 of g_bde_work.c added the check which should have alerted
me to this happening.  This commit maps the request correctly and
adds KASSERTS to make sure things stay inside the parent device.

This does not change the on-disk layout of GBDE, there is no need to
backup/restore.
 2003-04-29 19:46:42 +00:00
Poul-Henning Kamp
a17da2aa74 Typo in last commit: Do not press xZZ to leave vi(1). 2003-04-29 19:38:55 +00:00
Poul-Henning Kamp
ca8f372bbc When a bio comes back from below with a zero error code, check that 
it wrote the full length.  The only case where this should be able
to happen is if we try to read/write past the end and the request
is truncated.  We obviously should never try to do that, so this
code should never activate.
 2003-04-29 19:37:36 +00:00
Poul-Henning Kamp
90336bb4d8 I accidentally leaked this debugging tool in with my last commit. 
Disable it with a direct warning.
 2003-04-28 17:57:12 +00:00
Poul-Henning Kamp
306babd20c Rename g_bde_get_sector() to g_bde_get_keysector() and pick up the 
offset from the work packet.
 2003-04-28 06:38:31 +00:00
Poul-Henning Kamp
11ca41a9bb Only attempt total cache-purge once in case of failure. 2003-04-28 06:19:41 +00:00
Poul-Henning Kamp
035694b29a Better criteria for skipping disk reading BIO_READ work packets. 2003-04-28 06:15:39 +00:00
Poul-Henning Kamp
d8e7c92c9e Explicitly set the sector state to JUNK if we encounter a read-error. 2003-04-28 06:10:35 +00:00
Poul-Henning Kamp
c08c56e02a Bail as soon as the first write request has failed, there is no point 
in trying the second write if the first one went nowhere.
 2003-04-26 21:40:26 +00:00
Poul-Henning Kamp
54d2011343 Appearantly UFS no longer issues BIO_DELETE requests correctly, and 
consequently trashes data.  Disable BIO_DELETE handling in gbde for now.
 2003-04-26 21:39:33 +00:00
Poul-Henning Kamp
9b99e39d61 Do an explicit retry after we have dumped the cache, rather than a 
(potential) tail recursion.
 2003-04-25 21:43:11 +00:00
Poul-Henning Kamp
e8e0742ef4 If on a BIO_READ request, we failed to allocate the bio for reading 
our key-sector, we would end up returning the read without an error,
despite the fact that the data was not correctly decrypted.

This would result in data corruption on read, but intact data still
on the media.
 2003-04-25 21:28:28 +00:00
Poul-Henning Kamp
37f5e4a6c2 Fix a problem and slightly improve the ENOMEM handling: 
Give up the entire bio as soon as we detect a problem.

When we detect a problem, give up the bio by contributing the
remainder with ENOMEM, rather than kicking the bio back right
away.

If we failed on a non-first iteration we previously could end up
modifying fields in the bio after we delivered it.  This could
account for memory corruption (none directly reported) on machines
with GBDE.
 2003-04-25 21:20:57 +00:00
Poul-Henning Kamp
af6b9f17f9 Don't count a sector in the cache unless we manage to create it. 2003-04-25 20:56:27 +00:00
Poul-Henning Kamp
f2314b445d Rename g_bde_release_sector() to g_bde_release_keysector() and pick up 
the sector from the work item.
 2003-04-25 20:35:34 +00:00
Poul-Henning Kamp
195d573278 Rename g_bde_read_sector() to g_bde_read_keysector() pick up the offset 
in the work structure.
 2003-04-25 20:16:59 +00:00
Poul-Henning Kamp
4eba52a2d2 Remove all references to BIO_SETATTR. We will not be using it. 2003-04-03 19:19:36 +00:00
Poul-Henning Kamp
82db45a5af Use sys/endian.h instead of geom_enc.c for endian-agnostfication. 2003-04-03 11:33:51 +00:00
Poul-Henning Kamp
dfb99a70d8 Remove the old config interface now that the new OAM is functional. 2003-04-01 07:33:17 +00:00
Poul-Henning Kamp
29c331bfaa Add create_geom and destroy_geom methods. 2003-03-29 22:14:21 +00:00
Poul-Henning Kamp
0b94902f81 Forward compatibility: NULL check the passed in meta argument. 2003-03-25 09:02:41 +00:00
Poul-Henning Kamp
c138fec0b5 Premptively change initializations of struct g_class to use C99 
sparse struct initializations before we extend the struct with
new OAM related member functions.
 2003-03-24 19:30:15 +00:00
Poul-Henning Kamp
b4b138c27f Including <sys/stdint.h> is (almost?) universally only to be able to use 
%j in printfs, so put a newsted include in <sys/systm.h> where the printf
prototype lives and save everybody else the trouble.
 2003-03-18 08:45:25 +00:00
Poul-Henning Kamp
ea6ff0649f Limit our requests to DFLTPHYS, this is generally a good idea for 
memory-allocation purposes.  Right now it is also a very good idea
because we hit a Giant assertion in the free(9) processing if we
free something larger than 64k.
 2003-03-07 19:09:46 +00:00
Warner Losh
a163d034fa Back out M_* changes, per decision of the TRB. 
Approved by: trb
 2003-02-19 05:47:46 +00:00