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path: root/drivers/scsi/iscsi_boot_sysfs.c
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2016-05-16ibft: Expose iBFT acpi header via sysfsDavid Bond1-0/+62
Some ethernet adapter vendors are supplying products which support optional (payed license) features. On some adapters this includes a hardware iscsi initiator. The same adapters in a normal (no extra licenses) mode of operation can be used as a software iscsi initiator. In addition, software iscsi boot initiators are becoming a standard part of many vendors uefi implementations. This is creating difficulties during early boot/install determining the proper configuration method for these adapters when they are used as a boot device. The attached patch creates sysfs entries to expose information from the acpi header of the ibft table. This information allows for a method to easily determining if an ibft table was created by a ethernet card's firmware or the system uefi/bios. In the case of a hardware initiator this information in combination with the pci vendor and device id can be used to ascertain any vendor specific behaviors that need to be accommodated. Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: David Bond <dbond@suse.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2016-05-16iscsi_ibft: Add prefix-len attr and display netmaskHannes Reinecke1-0/+5
The iBFT table only specifies a prefix length, not a netmask. And the netmask is pretty much pointless for IPv6. So introduce a new attribute 'prefix-len'. Some older user-space code might rely on the netmask attribute being present, so we should always display it. Changes from v1: - Combined two patches into one Changes from v2: - Cleaned up/corrected wording for patch description Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
2014-03-15[SCSI] iscsi_boot_sysfs: Fix a memory leak in iscsi_boot_destroy_kset()Ethan Zhao1-0/+1
Load and unload iscsi_ibft module will cause kernel memory leak, fix it in scsi/iscsi_boot_sysfs.c iscsi_boot_destroy_kset(). Signed-off-by: Ethan Zhao <ethan.kernel@gmail.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-01-04switch ->is_visible() to returning umode_tAl Viro1-7/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-30[SCSI] iscsi_ibft, be2iscsi, iscsi_boot: fix boot kobj data lifetime managementMike Christie1-9/+19
be2iscsi passes the boot functions its phba object which is allocated in the shost, but iscsi_ibft passes in a object allocated for each item to display. The problem is that iscsi_boot_sysfs was managing the lifetime of the object passed in and doing a kfree on release. This causes a double free for be2iscsi which frees the shost in its pci_remove. This patch fixes the problem by adding a release callback which the drivers can call kfree or a put() type of function (needed for be2iscsi which will do a get/put on the shost). Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-30[SCSI] iscsi_boot_sysfs: have this module check for null on destructionMike Christie1-0/+3
This moves the check for NULL boot_sets to the iscsi_boot_sysfs module instead of having the drivers do it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2010-08-06[SCSI] iscsi boot: mv iscsi_boot_sysfs to drivers/scsiMike Christie1-0/+481
iscsi_boot_sysfs does not depend on firmware. Any iscsi driver can use it. This patch moves iscsi_boot_sysfs to the scsi dir, so that it can be used on any arch with any driver. Signed-off-by: Mike Christie <mchristi@redhat.com> Acked-by: Konrad Rzeszutek Wilk <konrad@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>