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[SCSI] scsi_transport_iscsi: Add support to set CHAP entries

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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>
This commit is contained in:
Adheer Chandravanshi 2013-09-17 07:54:48 -04:00 • committed by James Bottomley
parent b1d0b63f99
commit 3af142fea7
3 changed files with 44 additions and 0 deletions
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17
include/scsi/iscsi_if.h
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@ -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 {