From 0801c242a33426fddc005c2f559a3d2fa6fca7eb Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 30 May 2007 12:57:12 -0500 Subject: [SCSI] libiscsi, iscsi_tcp, ib_iser : add sw iscsi host get/set params helpers iscsid and udev need to key off the hw address being used so add some helpers for iser and iscsi tcp. Also convert them Signed-off-by: Mike Christie Cc: Roland Dreier Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 4 ++++ drivers/scsi/iscsi_tcp.c | 4 ++++ drivers/scsi/libiscsi.c | 40 ++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index dd221eda3ea6..2a99b7b6c906 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -576,6 +576,7 @@ static struct iscsi_transport iscsi_iser_transport = { ISCSI_PERSISTENT_ADDRESS | ISCSI_TARGET_NAME | ISCSI_TPGT, + .host_param_mask = ISCSI_HOST_HWADDRESS, .host_template = &iscsi_iser_sht, .conndata_size = sizeof(struct iscsi_conn), .max_lun = ISCSI_ISER_MAX_LUN, @@ -592,6 +593,9 @@ static struct iscsi_transport iscsi_iser_transport = { .get_session_param = iscsi_session_get_param, .start_conn = iscsi_iser_conn_start, .stop_conn = iscsi_conn_stop, + /* iscsi host params */ + .get_host_param = iscsi_host_get_param, + .set_host_param = iscsi_host_set_param, /* IO */ .send_pdu = iscsi_conn_send_pdu, .get_stats = iscsi_iser_conn_get_stats, diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index c9a3abf9e7b6..9a42fc074b76 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -2181,6 +2181,7 @@ static struct iscsi_transport iscsi_tcp_transport = { ISCSI_PERSISTENT_ADDRESS | ISCSI_TARGET_NAME | ISCSI_TPGT, + .host_param_mask = ISCSI_HOST_HWADDRESS, .host_template = &iscsi_sht, .conndata_size = sizeof(struct iscsi_conn), .max_conn = 1, @@ -2197,6 +2198,9 @@ static struct iscsi_transport iscsi_tcp_transport = { .get_session_param = iscsi_session_get_param, .start_conn = iscsi_conn_start, .stop_conn = iscsi_tcp_conn_stop, + /* iscsi host params */ + .get_host_param = iscsi_host_get_param, + .set_host_param = iscsi_host_set_param, /* IO */ .send_pdu = iscsi_conn_send_pdu, .get_stats = iscsi_conn_get_stats, diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 3f5b9b445b29..d430e227e9b7 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1462,6 +1462,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) iscsi_pool_free(&session->cmdpool, (void**)session->cmds); kfree(session->targetname); + kfree(session->hwaddress); iscsi_destroy_session(cls_session); scsi_host_put(shost); @@ -1990,6 +1991,45 @@ int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, } EXPORT_SYMBOL_GPL(iscsi_conn_get_param); +int iscsi_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, + char *buf) +{ + struct iscsi_session *session = iscsi_hostdata(shost->hostdata); + int len; + + switch (param) { + case ISCSI_HOST_PARAM_HWADDRESS: + if (!session->hwaddress) + len = sprintf(buf, "%s\n", "default"); + else + len = sprintf(buf, "%s\n", session->hwaddress); + break; + default: + return -ENOSYS; + } + + return len; +} +EXPORT_SYMBOL_GPL(iscsi_host_get_param); + +int iscsi_host_set_param(struct Scsi_Host *shost, enum iscsi_host_param param, + char *buf, int buflen) +{ + struct iscsi_session *session = iscsi_hostdata(shost->hostdata); + + switch (param) { + case ISCSI_HOST_PARAM_HWADDRESS: + if (!session->hwaddress) + session->hwaddress = kstrdup(buf, GFP_KERNEL); + break; + default: + return -ENOSYS; + } + + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_host_set_param); + MODULE_AUTHOR("Mike Christie"); MODULE_DESCRIPTION("iSCSI library functions"); MODULE_LICENSE("GPL"); -- cgit v1.2.2