[PATCH 12/13] qla4xxx: masking required bits of add_fw_options during initialization
From: <hidden>
Date: 2011-03-21 10:46:05
Subsystem:
qlogic qla4xxx iscsi driver, scsi subsystem, the rest · Maintainers:
Nilesh Javali, Manish Rangankar, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: Prasanna Mumbai <redacted> Signed-off-by: Vikas Chaudhary <redacted> Signed-off-by: Prasanna Mumbai <redacted> --- drivers/scsi/qla4xxx/ql4_fw.h | 1 + drivers/scsi/qla4xxx/ql4_mbx.c | 5 +++++ 2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index c198579..31e2bf9 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h@@ -455,6 +455,7 @@ struct addr_ctrl_blk { uint8_t res0; /* 07 */ uint16_t eth_mtu_size; /* 08-09 */ uint16_t add_fw_options; /* 0A-0B */ +#define SERIALIZE_TASK_MGMT 0x0400 uint8_t hb_interval; /* 0C */ uint8_t inst_num; /* 0D */
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 199fa64..f9d81c8 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c@@ -476,6 +476,11 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE); + /* Set bit for "serialize task mgmt" all other bits need to be zero */ + init_fw_cb->add_fw_options = 0; + init_fw_cb->add_fw_options |= + __constant_cpu_to_le16(SERIALIZE_TASK_MGMT); + if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != QLA_SUCCESS) { DEBUG2(printk(KERN_WARNING
--
1.7.3.2