diff options
| author | Harish Zunjarrao <harish.zunjarrao@qlogic.com> | 2010-07-23 15:28:32 +0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-28 09:06:13 -0500 |
| commit | 9bc4f4fb44d22e5edc9369c87585a3b492073b8b (patch) | |
| tree | 0d2469b389af3e4b020b8e96b2d5beaeec3cb1db /drivers/scsi/qla2xxx/qla_iocb.c | |
| parent | 9a15eb4b514c526cf3181ce224967ab5d8dafe77 (diff) | |
[SCSI] qla2xxx: Add CT passthru support for ISP23xx adapters
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 80 |
1 files changed, 79 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 370646f7b3f..e27d94713bd 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -1765,6 +1765,82 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) } static void +qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) +{ + uint16_t avail_dsds; + uint32_t *cur_dsd; + struct scatterlist *sg; + int index; + uint16_t tot_dsds; + scsi_qla_host_t *vha = sp->fcport->vha; + struct qla_hw_data *ha = vha->hw; + struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + int loop_iterartion = 0; + int cont_iocb_prsnt = 0; + int entry_count = 1; + + memset(ct_iocb, 0, sizeof(ms_iocb_entry_t)); + ct_iocb->entry_type = CT_IOCB_TYPE; + ct_iocb->entry_status = 0; + ct_iocb->handle1 = sp->handle; + SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id); + ct_iocb->status = __constant_cpu_to_le16(0); + ct_iocb->control_flags = __constant_cpu_to_le16(0); + ct_iocb->timeout = 0; + ct_iocb->cmd_dsd_count = + __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt); + ct_iocb->total_dsd_count = + __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt + 1); + ct_iocb->req_bytecount = + cpu_to_le32(bsg_job->request_payload.payload_len); + ct_iocb->rsp_bytecount = + cpu_to_le32(bsg_job->reply_payload.payload_len); + + ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address + (bsg_job->request_payload.sg_list))); + ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address + (bsg_job->request_payload.sg_list))); + ct_iocb->dseg_req_length = ct_iocb->req_bytecount; + + ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address + (bsg_job->reply_payload.sg_list))); + ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address + (bsg_job->reply_payload.sg_list))); + ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount; + + avail_dsds = 1; + cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address; + index = 0; + tot_dsds = bsg_job->reply_payload.sg_cnt; + + for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets? */ + if (avail_dsds == 0) { + /* + * Five DSDs are available in the Cont. + * Type 1 IOCB. + */ + cont_pkt = qla2x00_prep_cont_type1_iocb(vha); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + cont_iocb_prsnt = 1; + entry_count++; + } + + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + loop_iterartion++; + avail_dsds--; + } + ct_iocb->entry_count = entry_count; +} + +static void qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) { uint16_t avail_dsds; @@ -1867,7 +1943,9 @@ qla2x00_start_sp(srb_t *sp) qla24xx_els_iocb(sp, pkt); break; case SRB_CT_CMD: - qla24xx_ct_iocb(sp, pkt); + IS_FWI2_CAPABLE(ha) ? + qla24xx_ct_iocb(sp, pkt) : + qla2x00_ct_iocb(sp, pkt); break; case SRB_ADISC_CMD: IS_FWI2_CAPABLE(ha) ? |