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16 commits

Author SHA1 Message Date
Vladimir Serbinenko
e6a6182d95 Decrease stack usage in mdraid 0.9x.
We have only 92K of stack and using over 4K per frame is wasteful

	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Allocate on heap
	rather than stack.
2013-11-16 16:16:48 +01:00
Vladimir 'phcoder' Serbinenko
b72d44a11a Scan mdraid before LVM.
* include/grub/diskfilter.h (grub_diskfilter_register): Renamed to ..
	(grub_diskfilter_register_front): ... this.
	(grub_diskfilter_register_back): New function.
	All users of grub_diskfilter_register updated.
2012-04-18 23:11:33 +02:00
Vladimir 'phcoder' Serbinenko
22e6a774f9 Handle big-endian mdraid.
* Makefile.util.def (libgrubkern): Add mdraid_linux_be.c.
	* grub-core/Makefile.core.def (mdraid09_be): New module.
	* grub-core/disk/mdraid_linux.c: Use grub_md_to_cpu* and grub_cpu_to_md*
	rather than grub_le_to_cpu* and grub_cpu_to_le*.
	* grub-core/disk/mdraid_linux_be.c: New file.
2012-03-26 16:10:40 +02:00
Vladimir 'phcoder' Serbinenko
1e9a9a3faf * grub-core/disk/diskfilter.c (insert_array): Choose the smallest
device.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Reject too
	small devices.
2012-02-27 00:46:08 +01:00
Vladimir 'phcoder' Serbinenko
b2582b84f2 * grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Remove useless
grub_errors.
	* grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Simplify by
	not reloading whole superblock but only the part which is really needed.
	Remove useless grub_errors.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Remove useless
	grub_errors.
2012-02-26 23:36:12 +01:00
Vladimir 'phcoder' Serbinenko
076e7c0fda Merge common RAID and LVM logic to an abstract diskfilter.
Add LDM support using the same framework.

	* Makefile.util.def (libgrubkern): Add grub-core/disk/ldm.c,
	grub-core/disk/diskfilter.c and grub-core/partmap/gpt.c.
	(libgrubmods): Remove grub-core/disk/raid.c and
	grub-core/partmap/gpt.c.
	* grub-core/Makefile.core.def (ldm): New module.
	(raid): Renamed to diskfilter. All users updated.
	* grub-core/disk/raid.c: Moved to ...
	* grub-core/disk/diskfilter.c: ... here.
	* grub-core/disk/diskfilter.c: Rename grub_raid_ to grub_diskfilter_.
	(lv_num): New var.
	(find_array): Renamed to ...
	(find_lv): ... this. Support multi-LV. Skip nameless LVs
	(grub_is_array_readable): Renamed to ...
	(grub_is_lv_readable): ... this. Support multinode hierarchy.
	(insert_array): New argument id.
	(is_node_readable): New function.
	(scan_device): Rename to ...
	(scan_disk): .. this. Restrict to one disk.
	(scan_devices): New function.
	(grub_diskfilter_iterate): Support multi-LV.
	Skip invisible and nameless LVs.
	(grub_diskfilter_memberlist): Support multi-LV.
	(grub_diskfilter_read_node): New function.
	(grub_raid_read): Most of logic moved to ...
	(read_segment): ... here
	(read_lv): New function.
	(grub_diskfilter_get_vg_by_uuid): New function.
	(grub_diskfilter_make_raid): Likewise.
	* grub-core/disk/ldm.c: New file.
	* grub-core/disk/lvm.c (vg_list): Removed.
	(lv_count): Likewise.
	(scan_depth): Likewise.
	(is_lv_readable): Likewise.
	(grub_lvm_getvalue): Advance pointer past the number.
	(find_lv): Removed.
	(do_lvm_scan): Refactored into ...
	(grub_lvm_detect): ... this. Support raid.
	(grub_lvm_iterate): Removed.
	(grub_lvm_memberlist): Likewise.
	(grub_lvm_open): Likewise.
	(grub_lvm_close): Likewise.
	(read_lv): Likewise.
	(read_node): Likewise.
	(is_node_readable): Likewise.
	(is_lv_readable): Likewise.
	(grub_lvm_read): Likewise.
	(grub_lvm_write): Likewise.
	(grub_lvm_dev): Use diskfilter
	(GRUB_MOD_INIT): Likewise.
	(GRUB_MOD_FINI): Likewise.
	* grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Use
	new interface.
	* grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Likewise.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
	* grub-core/disk/raid5_recover.c (grub_raid5_recover): Use
	grub_diskfilter_read_node.
	Fix a bug with xor.
	* grub-core/disk/raid6_recover.c (grub_raid6_recover): Use
	grub_diskfilter_read_node.
	Support GRUB_RAID_LAYOUT_MUL_FROM_POS.
	* grub-core/kern/disk.c (grub_disk_dev_list): Make global.
	(grub_disk_dev_iterate): Move from here...
	* include/grub/disk.h (grub_disk_dev_iterate): ... to here. Inlined.
	* grub-core/kern/emu/hostdisk.c (grub_hostdisk_find_partition_start):
	Make global.
	(grub_hostdisk_find_partition_start): Likewise.
	(grub_hostdisk_os_dev_to_grub_drive): New function.
	(grub_util_biosdisk_get_osdev): Check that disk is biosdisk.
	* grub-core/kern/emu/hostdisk.c (make_device_name): Move to ...
	* util/getroot.c (make_device_name): ... here.
	* grub-core/kern/emu/hostdisk.c (grub_util_get_dm_node_linear_info):
	Move to ...
	* util/getroot.c (grub_util_get_dm_node_linear_info): ...here.
	* grub-core/kern/emu/hostdisk.c
	(convert_system_partition_to_system_disk): Move to ...
	* util/getroot.c (convert_system_partition_to_system_disk): ...here.
	* grub-core/kern/emu/hostdisk.c (device_is_wholedisk): Move to ...
	* util/getroot.c (device_is_wholedisk): ... here.
	* grub-core/kern/emu/hostdisk.c (find_system_device): Move to ...
	* util/getroot.c (find_system_device): ... here.
	* grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_is_present):
	Move to ...
	* util/getroot.c (grub_util_biosdisk_is_present): ...here.
	* grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_get_grub_dev):
	Move to ...
	* util/getroot.c (grub_util_biosdisk_get_grub_dev): ... here.
	Handle LDM.
	* grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_is_floppy):
	Move to ...
	* util/getroot.c (grub_util_biosdisk_is_floppy): ... here.
	* grub-core/partmap/gpt.c (grub_gpt_partition_map_iterate): Made global.
	* include/grub/disk.h (grub_disk_dev_id): Replaced RAID and LVM with
	DISKFILTER.
	* include/grub/raid.h: Renamed to ...
	* include/grub/diskfilter.h: ... this.
	* include/grub/diskfilter.h: Rename grub_raid_* to grub_diskfilter_*
	(GRUB_RAID_LAYOUT_*): Make into array.
	(GRUB_RAID_LAYOUT_MUL_FROM_POS): New value.
	(grub_diskfilter_vg): New struct.
	(grub_diskfilter_pv_id): Likewise.
	(grub_raid_member): Removed.
	(grub_raid_array): Likewise.
	(grub_diskfilter_pv): New struct.
	(grub_diskfilter_lv): Likewise.
	(grub_diskfilter_segment): Likewise.
	(grub_diskfilter_node): Likewise.
	(grub_diskfilter_get_vg_by_uuid): New proto.
	(grub_raid_register): Inline.
	(grub_diskfilter_unregister): Likewise.
	(grub_diskfilter_make_raid): New proto.
	(grub_diskfilter_vg_register): Likewise.
	(grub_diskfilter_read_node): Likewise.
	(grub_diskfilter_get_pv_from_disk) [GRUB_UTIL]: Likewise.
	* include/grub/emu/hostdisk.h (grub_util_get_ldm): New proto.
	(grub_util_is_ldm): Likewise.
	(grub_util_ldm_embed) [GRUB_UTIL]: Likewise.
	(grub_hostdisk_find_partition_start): Likewise.
	(grub_hostdisk_os_dev_to_grub_drive): Likewise.
	* include/grub/gpt_partition.h (GRUB_GPT_PARTITION_TYPE_LDM):
	New definition.
	(grub_gpt_partition_map_iterate): New proto.
	* include/grub/lvm.h (grub_lvm_vg): Removed.
	(grub_lvm_pv): Likewise.
	(grub_lvm_lv): Likewise.
	(grub_lvm_segment): Likewise.
	(grub_lvm_node): Likewise.
	* util/getroot.c [...]
	* util/grub-probe.c (probe_raid_level): Handle diskfilter.
	(probe_abstraction): Likewise.
	* util/grub-setup.c (setup): Remove must_embed. Support LDM.
	(main): Remove dead logic.
2012-01-29 14:28:01 +01:00
Vladimir 'phcoder' Serbinenko
564840dc3d * grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Change pointer
arithmetic to conserve alignment invariants.
2011-12-13 02:13:44 +01:00
Vladimir 'phcoder' Serbinenko
6be8715dfc * grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Make mdraid UUID
match the one used by mdadm.
2011-04-25 15:23:37 +02:00
Vladimir 'phcoder' Serbinenko
e745cf0ca6 Implement automatic module license checking according to new GNU
guidelines.

	* grub-core/kern/dl.c (grub_dl_check_license): New function.
	(grub_dl_load_core): Use grub_dl_check_license.
	* include/grub/dl.h (GRUB_MOD_SECTION): New macro.
	(GRUB_MOD_LICENSE): Likewise.
	(GRUB_MOD_DUAL_LICENSE): Likewise.
	All modules updated.
2011-04-11 23:01:51 +02:00
Vladimir 'phcoder' Serbinenko
a562b47916 * grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Detect spares
and report them as not RAID members since they are useless for GRUB.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
2011-04-06 12:29:49 +02:00
Vladimir 'phcoder' Serbinenko
c0cf26da6b * grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Add missing
endian transformations.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
	Based on report by: Doug Nazar.
2011-01-07 16:17:24 +01:00
Vladimir 'phcoder' Serbinenko
7b61e6096b * grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Don't try to
retrieve the metadat sector if size isn't known.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
2010-11-19 22:48:26 +01:00
Vladimir 'phcoder' Serbinenko
3a1197cdb0 * grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Do not put
elements with invlid index.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
	* grub-core/disk/raid.c (insert_array): Automatically reallocate
	members.
	* include/grub/raid.h (grub_raid_member): New struct.
	(grub_raid_array): Transform devices and start_sector into usage of
	grub_raid_member. All users updated
	(allocated_devs): New member.
2010-11-01 10:20:58 +01:00
Vladimir 'phcoder' Serbinenko
1e8d555b7d Split mdraid.mod into mdraid09.mod and mdraid1x.mod.
* Makefile.util.def (libgrub.a): Add grub-core/disk/mdraid1x_linux.c.
	* grub-core/Makefile.core.def (mdraid): Renamed to ...
	(mdraid09): ... this.
	(mdraid1x): New module.
	* grub-core/disk/mdraid_linux.c: Move 1.x parts ...
	* grub-core/disk/mdraid1x_linux.c: ...here. All users updated.
2010-09-20 20:09:31 +02:00
BVK Chaitanya
16c7cb32c8 merge with mainline 2010-08-19 16:54:00 +05:30
BVK Chaitanya
8c41176882 automake commit without merge history 2010-05-06 11:34:04 +05:30
Renamed from disk/mdraid_linux.c (Browse further)