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[SCSI] qla4xxx: Export CHAP index as sysfs attribute 

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Mike Christie 2012-02-27 03:08:54 -08:00 committed by James Bottomley
parent 3053495274
commit fca9f04d46
3 changed files with 53 additions and 3 deletions
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2
drivers/scsi/qla4xxx/ql4_glbl.h
View File

@ -81,6 +81,8 @@ int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
uint32_t offset, uint32_t length, uint32_t options);
int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);
int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
char *password, int bidi, uint16_t *chap_index);
void qla4xxx_queue_iocb(struct scsi_qla_host *ha);
void qla4xxx_complete_iocb(struct scsi_qla_host *ha);

9
drivers/scsi/qla4xxx/ql4_mbx.c
View File

@ -1426,8 +1426,8 @@ exit_set_chap:
* match is found. If a match is not found then add the entry in FLASH and
* return the index at which entry is written in the FLASH.
**/
static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
char *password, int bidi, uint16_t *chap_index)
int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
char *password, int bidi, uint16_t *chap_index)
{
int i, rval;
int free_index = -1;
@ -1446,6 +1446,11 @@ static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
return QLA_ERROR;
}
if (!username || !password) {
ql4_printk(KERN_ERR, ha, "Do not have username and psw\n");
return QLA_ERROR;
}
mutex_lock(&ha->chap_sem);
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;

45
drivers/scsi/qla4xxx/ql4_os.c
View File

@ -83,6 +83,8 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
/*
* iSCSI template entry points
*/
static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
enum iscsi_param param, char *buf);
static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
enum iscsi_param param, char *buf);
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
@ -186,7 +188,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
.destroy_conn = qla4xxx_conn_destroy,
.set_param = iscsi_set_param,
.get_conn_param = qla4xxx_conn_get_param,
.get_session_param = iscsi_session_get_param,
.get_session_param = qla4xxx_session_get_param,
.get_ep_param = qla4xxx_get_ep_param,
.ep_connect = qla4xxx_ep_connect,
.ep_poll = qla4xxx_ep_poll,
@ -317,6 +319,12 @@ static umode_t ql4_attr_is_visible(int param_type, int param)
case ISCSI_PARAM_MAX_RECV_DLENGTH:
case ISCSI_PARAM_MAX_XMIT_DLENGTH:
case ISCSI_PARAM_IFACE_NAME:
case ISCSI_PARAM_CHAP_OUT_IDX:
case ISCSI_PARAM_CHAP_IN_IDX:
case ISCSI_PARAM_USERNAME:
case ISCSI_PARAM_PASSWORD:
case ISCSI_PARAM_USERNAME_IN:
case ISCSI_PARAM_PASSWORD_IN:
return S_IRUGO;
default:
return 0;
@ -1288,6 +1296,41 @@ exit_init_fw_cb:
return rval;
}
static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
enum iscsi_param param, char *buf)
{
struct iscsi_session *sess = cls_sess->dd_data;
struct ddb_entry *ddb_entry = sess->dd_data;
struct scsi_qla_host *ha = ddb_entry->ha;
int rval, len;
uint16_t idx;
switch (param) {
case ISCSI_PARAM_CHAP_IN_IDX:
rval = qla4xxx_get_chap_index(ha, sess->username_in,
sess->password_in, BIDI_CHAP,
&idx);
if (rval)
return -EINVAL;
len = sprintf(buf, "%hu\n", idx);
break;
case ISCSI_PARAM_CHAP_OUT_IDX:
rval = qla4xxx_get_chap_index(ha, sess->username,
sess->password, LOCAL_CHAP,
&idx);
if (rval)
return -EINVAL;
len = sprintf(buf, "%hu\n", idx);
break;
default:
return iscsi_session_get_param(cls_sess, param, buf);
}
return len;
}
static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf)
{