diff options
| author | Himanshu Madhani <himanshu.madhani@qlogic.com> | 2015-12-17 14:56:57 -0500 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-07 13:57:41 -0800 |
| commit | 2f56a7f1b5d8cf3d8bc84cc08dda09c991b698a7 (patch) | |
| tree | 613b09c666b6152b7881bd01b45f20f5705e9acb /drivers/scsi/qla2xxx/qla_gbl.h | |
| parent | b0d6cabd355ae9c13c53680cfe8b5ae58a84d2c1 (diff) | |
qla2xxx: Enable Exchange offload support.
This patch enables Exchange offload support in Qlogic ISP.
To enable exchange offload with Qlogic ISP24XX/25XX/26XX,
set module parameter ql2xexchoffld to any non-zero number.
This will alow ISP firmware to store exchange data structures
used by firmware to host memory provided by driver. ISP firmware
can supports upto 32k total active exchanges.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gbl.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index d396c490e204..3dc323caaa95 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -118,6 +118,7 @@ extern uint64_t ql2xmaxlun; extern int ql2xmdcapmask; extern int ql2xmdenable; extern int ql2xexlogins; +extern int ql2xexchoffld; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); @@ -138,6 +139,8 @@ extern int qla2x00_post_async_adisc_done_work(struct scsi_qla_host *, fc_port_t *, uint16_t *); extern int qla2x00_set_exlogins_buffer(struct scsi_qla_host *); extern void qla2x00_free_exlogin_buffer(struct qla_hw_data *); +extern int qla2x00_set_exchoffld_buffer(struct scsi_qla_host *); +extern void qla2x00_free_exchoffld_buffer(struct qla_hw_data *); extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *); @@ -772,5 +775,7 @@ extern void qlt_host_reset_handler(struct qla_hw_data *ha); extern int qla_get_exlogin_status(scsi_qla_host_t *, uint16_t *, uint16_t *); extern int qla_set_exlogin_mem_cfg(scsi_qla_host_t *vha, dma_addr_t phys_addr); +extern int qla_get_exchoffld_status(scsi_qla_host_t *, uint16_t *, uint16_t *); +extern int qla_set_exchoffld_mem_cfg(scsi_qla_host_t *, dma_addr_t); #endif /* _QLA_GBL_H */ |