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| author | Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> | 2013-09-17 07:54:48 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 09:58:01 +0100 |
| commit | 3af142fea7da55718b733b25be9d54ddb87acfcc (patch) | |
| tree | 978da743cf3fde4b405fdd802c762691290cae20 /drivers | |
| parent | b1d0b63f99300c0bd8b3fa9c8058fcd9529e294f (diff) | |
| download | linux-stable-3af142fea7da55718b733b25be9d54ddb87acfcc.tar.gz linux-stable-3af142fea7da55718b733b25be9d54ddb87acfcc.tar.bz2 linux-stable-3af142fea7da55718b733b25be9d54ddb87acfcc.zip | |
[SCSI] scsi_transport_iscsi: Add support to set CHAP entries
For offload iSCSI like qla4xxx, CHAP entries are stored in adapter's
flash.
This patch adds support to add/update CHAP entries in adapter's flash
using iscsi tools, like Open-iSCSI.
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index e4a989fa477d..63a6ca49d4e5 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2744,6 +2744,28 @@ exit_get_chap: return err; } +static int iscsi_set_chap(struct iscsi_transport *transport, + struct iscsi_uevent *ev, uint32_t len) +{ + char *data = (char *)ev + sizeof(*ev); + struct Scsi_Host *shost; + int err = 0; + + if (!transport->set_chap) + return -ENOSYS; + + shost = scsi_host_lookup(ev->u.set_path.host_no); + if (!shost) { + pr_err("%s could not find host no %u\n", + __func__, ev->u.set_path.host_no); + return -ENODEV; + } + + err = transport->set_chap(shost, data, len); + scsi_host_put(shost); + return err; +} + static int iscsi_delete_chap(struct iscsi_transport *transport, struct iscsi_uevent *ev) { @@ -3234,6 +3256,10 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) case ISCSI_UEVENT_LOGOUT_FLASHNODE_SID: err = iscsi_logout_flashnode_sid(transport, ev); break; + case ISCSI_UEVENT_SET_CHAP: + err = iscsi_set_chap(transport, ev, + nlmsg_attrlen(nlh, sizeof(*ev))); + break; default: err = -ENOSYS; break; |