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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2010-01-12 13:02:47 -0800
committerJames Bottomley <James.Bottomley@suse.de>2010-01-18 16:51:05 -0600
commit9a069e196767d7b87184fd8d8211d22bb5b9c0b8 (patch)
tree44bc0f206793a2e9bcf280ea168e468bd62c15bb /drivers/scsi/qla2xxx/qla_iocb.c
parent90a86fc05ffefe48581c88106d0b9cc37f6e060c (diff)
downloadblackbird-op-linux-9a069e196767d7b87184fd8d8211d22bb5b9c0b8.tar.gz
blackbird-op-linux-9a069e196767d7b87184fd8d8211d22bb5b9c0b8.zip
[SCSI] qla2xxx: Add BSG support for FC ELS/CT passthrough and vendor commands.
[jejb: fixed printk casting issues] Signed-off-by: Sarang Radke <sarang.radke@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.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index c5ccac0bef76..8299a9891bfe 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1025,6 +1025,119 @@ qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
/* Implicit: mbx->mbx10 = 0. */
}
+static void
+qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
+{
+ struct fc_bsg_job *bsg_job = ((struct srb_bsg*)sp->ctx)->bsg_job;
+
+ els_iocb->entry_type = ELS_IOCB_TYPE;
+ els_iocb->entry_count = 1;
+ els_iocb->sys_define = 0;
+ els_iocb->entry_status = 0;
+ els_iocb->handle = sp->handle;
+ els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ els_iocb->tx_dsd_count = __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ els_iocb->vp_index = sp->fcport->vp_idx;
+ els_iocb->sof_type = EST_SOFI3;
+ els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt);
+
+ els_iocb->opcode =(((struct srb_bsg*)sp->ctx)->ctx.type == SRB_ELS_CMD_RPT) ?
+ bsg_job->request->rqst_data.r_els.els_code : bsg_job->request->rqst_data.h_els.command_code;
+ els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
+ els_iocb->port_id[1] = sp->fcport->d_id.b.area;
+ els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
+ els_iocb->control_flags = 0;
+ els_iocb->rx_byte_count =
+ cpu_to_le32(bsg_job->reply_payload.payload_len);
+ els_iocb->tx_byte_count =
+ cpu_to_le32(bsg_job->request_payload.payload_len);
+
+ els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ els_iocb->tx_len = cpu_to_le32(sg_dma_len
+ (bsg_job->request_payload.sg_list));
+
+ els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address
+ (bsg_job->reply_payload.sg_list)));
+ els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address
+ (bsg_job->reply_payload.sg_list)));
+ els_iocb->rx_len = cpu_to_le32(sg_dma_len
+ (bsg_job->reply_payload.sg_list));
+}
+
+static void
+qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *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 fc_bsg_job *bsg_job = ((struct srb_bsg*)sp->ctx)->bsg_job;
+ int loop_iterartion = 0;
+ int cont_iocb_prsnt = 0;
+ int entry_count = 1;
+
+ ct_iocb->entry_type = CT_IOCB_TYPE;
+ ct_iocb->entry_status = 0;
+ ct_iocb->sys_define = 0;
+ ct_iocb->handle = sp->handle;
+
+ ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ ct_iocb->vp_index = sp->fcport->vp_idx;
+ ct_iocb->comp_status = __constant_cpu_to_le16(0);
+
+ ct_iocb->cmd_dsd_count =
+ __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ ct_iocb->timeout = 0;
+ ct_iocb->rsp_dsd_count =
+ __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt);
+ ct_iocb->rsp_byte_count =
+ cpu_to_le32(bsg_job->reply_payload.payload_len);
+ ct_iocb->cmd_byte_count =
+ cpu_to_le32(bsg_job->request_payload.payload_len);
+ ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len
+ (bsg_job->request_payload.sg_list));
+
+ avail_dsds = 1;
+ cur_dsd = (uint32_t *)ct_iocb->dseg_1_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;
+}
+
int
qla2x00_start_sp(srb_t *sp)
{
@@ -1052,6 +1165,13 @@ qla2x00_start_sp(srb_t *sp)
qla24xx_logout_iocb(sp, pkt):
qla2x00_logout_iocb(sp, pkt);
break;
+ case SRB_ELS_CMD_RPT:
+ case SRB_ELS_CMD_HST:
+ qla24xx_els_iocb(sp, pkt);
+ break;
+ case SRB_CT_CMD:
+ qla24xx_ct_iocb(sp, pkt);
+ break;
default:
break;
}
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