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2018-01-18implement 32-bit compat support for raidframe.mrg
convert several raidframe ioctls to be bitsize idempotent so that they work the same in 32 and 64 bit worlds, allowing netbsd32 to configure and query raid properly. remove useless 'row' in a few places. add COMPAT_80 and put the old ioctls there. raidframeio.h: RAIDFRAME_TEST_ACC - remove, unused RAIDFRAME_GET_COMPONENT_LABEL - convert to label not pointer to label RAIDFRAME_CHECK_RECON_STATUS_EXT RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT RAIDFRAME_CHECK_COPYBACK_STATUS_EXT - convert to progress info not pointer to info RAIDFRAME_GET_INFO - version entirely. raidframevar.h: - rf_recon_req{} has row, flags and raidPtr removed (they're not a useful part of this interface.) - RF_Config_s{} and RF_DeviceConfig_s{} have numRow/rows removed. - RF_RaidDisk_s{} is re-ordered slightly to fix alignment padding - the actual data was already OK. - InstallSpareTable() loses row argument rf_compat32.c has code for RF_Config_s{} in 32 bit mode, used by RAIDFRAME_CONFIGURE and RAIDFRAME_GET_INFO32. rf_compat80.c has code for rf_recon_req{}, RF_RaidDisk_s{} and RF_DeviceConfig_s{} to handle RAIDFRAME_FAIL_DISK, RAIDFRAME_GET_COMPONENT_LABEL, RAIDFRAME_CHECK_RECON_STATUS_EXT, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT, RAIDFRAME_CHECK_COPYBACK_STATUS_EXT, RAIDFRAME_GET_INFO. move several of the per-ioctl code blocks into separate functions. add rf_recon_req_internal{} to replace old usage of global rf_recon_req{} that had unused void * in the structure, ruining it's 32/64 bit ABI. add missing case for RAIDFRAME_GET_INFO50. adjust raid tests to use the new .conf format, and add a case to test the old method as well. raidctl: deal with lack of 'row' members in a couple of places. fail request no longer takes row. handle "START array" sections with just "numCol numSpare", ie no "numRow" specified. for now, generate old-style configuration but update raidctl.8 to specify the new style (keeping reference to the old style.) note that: RF_ComponentLabel_s::{row,num_rows} and RF_SingleComponent_s::row are obsolete but not removed yet.
2013-04-27no more needs flagchristos
2009-11-17Finally commit the RAIDframe parity map Summer Of Code project.jld
Drastically reduces the amount of time spent rewriting parity after an unclean shutdown by keeping better track of which regions might have had outstanding writes. Enabled by default; can be disabled on a per-set basis, or tuned, with the new raidctl(8) commands. Discussed on tech-kern@ to a general air of approval; exhortations to commit from mrg@, christos@, and others. Thanks to Google for their sponsorship, oster@ for mentoring the project, assorted developers for trying very hard to break it, and probably more I'm forgetting.
2009-01-18add compat50 ioctls.christos
2008-06-10use new "defpseudodev" where appropriate, and remove dummy interfacedrochner
attribute definitions which were only to trick config(8)
2006-03-01Fix lossage related to device_is_a() changes. Fix from cube@ (thanks!).oster
Tested by me.
2005-12-11merge ktrace-lwp.christos
2003-12-29The ugly wonderment of appropriately placed ASCII charactersoster
formerly known as rf_threadstuff.c is no more.
2002-08-02rf_memchunk.c is no longer needed.oster
2002-04-16Centralize the RAIDframe config definitions.thorpej