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37 Commits

Author SHA1 Message Date
Marcel Moolenaar
40fcaded53 o Don't cause a panic when the control request lacks a verb. 
o  Don't set the error twice when the named class does not exist.
   It causes ioctl(2) to return with error EEXIST.
 2005-09-18 23:54:40 +00:00
Poul-Henning Kamp
52d71e1a85 remove stale comments 2005-08-16 20:03:29 +00:00
Pawel Jakub Dawidek
cdae843174 Fix a long-standing bug. Error string has to be copyied from the user 
process context.

Approved by:	phk
MFC after:	3 days
 2005-04-08 09:28:08 +00:00
Poul-Henning Kamp
e8cde1ac6f Discontinue zero-length g_ctl arguments as "just give him this pointer" 
transfers.  The necessary context for calling copyin() isn't available
anyway and automatic code-validation chokes on this.
 2005-01-17 07:14:24 +00:00
Poul-Henning Kamp
85986ce002 Don't call g_waitidle(), it happens automagically now. 2004-10-23 20:52:15 +00:00
Poul-Henning Kamp
89c9c53da0 Do the dreaded s/dev_t/struct cdev */ 
Bump __FreeBSD_version accordingly.
 2004-06-16 09:47:26 +00:00
Poul-Henning Kamp
dc08ffec87 Device megapatch 4/6: 
Introduce d_version field in struct cdevsw, this must always be
initialized to D_VERSION.

Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing
four D_NOGIANT flags and adding 145 D_NEEDGIANT flags.
 2004-02-21 21:10:55 +00:00
Poul-Henning Kamp
70cd771337 The present defaults for the open and close for device drivers which 
provide no methods does not make any sense, and is not used by any
driver.

It is a pretty hard to come up with even a theoretical concept of
a device driver which would always fail open and close with ENODEV.

Change the defaults to be nullopen() and nullclose() which simply
does nothing.

Remove explicit initializations to these from the drivers which
already used them.
 2003-09-27 12:01:01 +00:00
Poul-Henning Kamp
fd02a4233e Only dump 512 bytes of debugging. 
Always wait for things to settle before returning.
 2003-07-02 08:07:07 +00:00
David E. O'Brien
50b1faef38 Use __FBSDID(). 
Approved by:	phk
 2003-06-11 06:49:16 +00:00
Poul-Henning Kamp
b61e8fed30 Make sure we return an error message if the geom parameter is not 
located.
 2003-06-07 15:31:44 +00:00
Poul-Henning Kamp
a1a9b44569 Add missing va_end() calls. 
Noticed by:	tmm
 2003-06-07 10:16:53 +00:00
Poul-Henning Kamp
d6c5e71627 Introduce g_provider_by_name() function, and use it. 2003-06-04 18:17:52 +00:00
Poul-Henning Kamp
786a6905ec Return an indicative error message. 2003-06-02 20:35:37 +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
1ee055e692 Add gctl_set_param() function. 2003-05-04 19:24:34 +00:00
Poul-Henning Kamp
3e7b7bb1cb Plug memory leaks. 2003-05-02 12:49:41 +00:00
Poul-Henning Kamp
c4da4e46b2 Back out all the stuff that didn't belong in the last commit. 2003-05-02 06:42:59 +00:00
Poul-Henning Kamp
e65ab0f83f Use g_slice_spoiled() rather than g_std_spoiled(). 
Remember to free the buffer we got from g_read_data().
 2003-05-02 06:36:14 +00:00
Poul-Henning Kamp
ca3d750e73 Introduce gctl_get_paraml() which gets a parameter only if it has the 
right length.
 2003-04-23 08:03:47 +00:00
Poul-Henning Kamp
fb9483af54 Make gctl_error() take printfline varargs. 2003-04-23 07:50:01 +00:00
Poul-Henning Kamp
ea9ab6bed2 Implement handling of CONFIG_GEOM OAM request. 2003-04-22 21:01:46 +00:00
Poul-Henning Kamp
70b4ddbb09 Collapse meta arguments into regular arguments, the distinction is 
more trouble than it is worth.
 2003-04-22 19:42:05 +00:00
Poul-Henning Kamp
68f156409e Make sure we don't ignore error codes. 2003-04-03 11:19:24 +00:00
Poul-Henning Kamp
4a1e273c48 Remove the old config interface, the new OAM is sufficiently functional 
now.
 2003-04-01 07:33:56 +00:00
Poul-Henning Kamp
afa2a5aab7 Remove some debugging in the new OAM[*] and add a debug flag for other 
parts of it.

[*] I've been asked what "OAM" means:  It's an acronym used in the
telecom industry, "Operations And Maintenance", and there it covers
anything from a single unlabeled led on the frontpanel the the full
nightmare of CMIP for SS7.
 2003-03-31 18:35:37 +00:00
Poul-Henning Kamp
63728c47e8 Run a revision on the OAM api. 
Use prefix gctl_ systematically.
Add flag with access perms for each argument.
Add ro/rw versions of argument building functions.
General cleanup.
 2003-03-27 14:35:00 +00:00
Poul-Henning Kamp
d49d7ca591 Turn /dev/geom.ctl from a GEOM class into a plain character device driver 
instead, it will never see a disk-I/O transaction, so this is a lot simpler.
 2003-03-24 13:37:15 +00:00
Poul-Henning Kamp
3117e54484 Marshalling stuff for OAM API. 2003-03-23 10:16:14 +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
Warner Losh
a163d034fa Back out M_* changes, per decision of the TRB. 
Approved by: trb
 2003-02-19 05:47:46 +00:00
Alfred Perlstein
44956c9863 Remove M_TRYWAIT/M_WAITOK/M_WAIT. Callers should use 0. 
Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
 2003-01-21 08:56:16 +00:00
Poul-Henning Kamp
e6e142398f Straighten up the geom.ctl config interface definitions. 
Sponsored by:	DARPA & NAI Labs
 2002-11-06 20:05:15 +00:00
Poul-Henning Kamp
3f12caa180 Now that the sectorsize and mediasize are properties of the provider, 
don't take the detour over the I/O path to discover them using getattr(),
we can just pick them out directly.

Do note though, that for now they are only valid after the first open
of the underlying disk device due compatibility with the old disk_create()
API.  This will change in the future so they will always be valid.

Sponsored by:   DARPA & NAI Labs.
 2002-10-20 20:28:24 +00:00
Poul-Henning Kamp
9b232f1493 Make it possible to specify also via geom_t ID in the geom.ctl config ioctl. 
Sponsored by:	DARPA & NAI Labs.
 2002-10-20 08:42:18 +00:00
Poul-Henning Kamp
6b4abfd6eb Implement the GEOMCONFIGGEOM ioctl which can be used to manually create 
and configure an instance of a class on a give provider.

Sponsored by:	DARPA & NAI Labs
 2002-10-14 10:05:23 +00:00
Poul-Henning Kamp
3101ed1b7c Add the outline of the "/dev/geom.ctl" handling code. 
Sponsored by:	DARPA & NAI Labs.
 2002-10-13 20:33:33 +00:00