diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2006-10-02 21:00:43 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-10-04 00:28:38 +0200 |
| commit | d8b4521349274ab610d0b29384c704444e55cbca (patch) | |
| tree | 5af421c4c6c262e966e2e3f37241b1cdb4fa199a /drivers/scsi/qla2xxx/qla_gbl.h | |
| parent | [SCSI] scsi: Scsi_Cmnd convertion in arm subtree (diff) | |
| download | linux-d8b4521349274ab610d0b29384c704444e55cbca.tar.xz linux-d8b4521349274ab610d0b29384c704444e55cbca.zip | |
[SCSI] qla2xxx: Add iIDMA support.
iIDMA (Intelligent Interleaved Direct Memory Access) allows for
the HBA hardware to send FC frames at the rate at which they can
be received by a target device. By taking advantage of the
higher link rate, the HBA can maximize bandwidth utilization in a
heterogeneous multi-speed SAN.
Within a fabric topology, port speed detection is done via a Name
Server command (GFPN_ID) followed by a Fabric Management command
(GPSC). In an FCAL/N2N topology, port speed is based on the HBA
link-rate.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gbl.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 8311ac2b93a8..c48e1d8bb100 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -208,6 +208,12 @@ qla2x00_trace_control(scsi_qla_host_t *, uint16_t, dma_addr_t, uint16_t); extern int qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t, uint16_t); +extern int +qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t *, uint16_t *); + +extern int +qla2x00_set_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t *); + /* * Global Function Prototypes in qla_isr.c source file. */ @@ -279,6 +285,8 @@ extern int qla2x00_rsnn_nn(scsi_qla_host_t *); extern void *qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t); extern void *qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t); extern int qla2x00_fdmi_register(scsi_qla_host_t *); +extern int qla2x00_gfpn_id(scsi_qla_host_t *, sw_info_t *); +extern int qla2x00_gpsc(scsi_qla_host_t *, sw_info_t *); /* * Global Function Prototypes in qla_attr.c source file. |