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authorAdheer Chandravanshi <adheer.chandravanshi@qlogic.com>2013-09-17 07:54:48 -0400
committerJames Bottomley <JBottomley@Parallels.com>2013-10-25 09:58:01 +0100
commit3af142fea7da55718b733b25be9d54ddb87acfcc (patch)
tree978da743cf3fde4b405fdd802c762691290cae20 /include/scsi
parentb1d0b63f99300c0bd8b3fa9c8058fcd9529e294f (diff)
downloadlinux-3af142fea7da55718b733b25be9d54ddb87acfcc.tar.gz
[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 'include/scsi')
-rw-r--r--include/scsi/iscsi_if.h17
-rw-r--r--include/scsi/scsi_transport_iscsi.h1
2 files changed, 18 insertions, 0 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 13d81c5c4eb..5d6ed6cf12c 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -69,6 +69,7 @@ enum iscsi_uevent_e {
ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29,
ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
+ ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
@@ -309,8 +310,16 @@ enum iscsi_param_type {
ISCSI_HOST_PARAM, /* iscsi_host_param */
ISCSI_NET_PARAM, /* iscsi_net_param */
ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
+ ISCSI_CHAP_PARAM, /* iscsi_chap_param */
};
+/* structure for minimalist usecase */
+struct iscsi_param_info {
+ uint32_t len; /* Actual length of the param value */
+ uint16_t param; /* iscsi param */
+ uint8_t value[0]; /* length sized value follows */
+} __packed;
+
struct iscsi_iface_param_info {
uint32_t iface_num; /* iface number, 0 - n */
uint32_t len; /* Actual length of the param */
@@ -739,6 +748,14 @@ enum chap_type_e {
CHAP_TYPE_IN,
};
+enum iscsi_chap_param {
+ ISCSI_CHAP_PARAM_INDEX,
+ ISCSI_CHAP_PARAM_CHAP_TYPE,
+ ISCSI_CHAP_PARAM_USERNAME,
+ ISCSI_CHAP_PARAM_PASSWORD,
+ ISCSI_CHAP_PARAM_PASSWORD_LEN
+};
+
#define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
#define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
struct iscsi_chap_rec {
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index d0f1602985e..fe7c8f3e93f 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -152,6 +152,7 @@ struct iscsi_transport {
int (*get_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf);
int (*delete_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx);
+ int (*set_chap) (struct Scsi_Host *shost, void *data, int len);
int (*get_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess,
int param, char *buf);
int (*set_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess,