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qla2xxx: Add ISP8044 serdes bsg interface.

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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Joe Carnuccio
2014-04-11 16:54:17 -04:00
committed by Christoph Hellwig
parent 7012532dc8
commit e8887c51f0
6 changed files with 137 additions and 3 deletions
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47
drivers/scsi/qla2xxx/qla_bsg.c
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@@ -2054,9 +2054,49 @@ qla26xx_serdes_op(struct fc_bsg_job *bsg_job)
bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
break;
default:
ql_log(ql_log_warn, vha, 0x708c,
ql_dbg(ql_dbg_user, vha, 0x708c,
"Unknown serdes cmd %x.\n", sr.cmd);
rval = -EDOM;
rval = -EINVAL;
break;
}
bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
rval ? EXT_STATUS_MAILBOX : 0;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_job->reply->result = DID_OK << 16;
bsg_job->job_done(bsg_job);
return 0;
}
static int
qla8044_serdes_op(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_serdes_reg_ex sr;
memset(&sr, 0, sizeof(sr));
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
switch (sr.cmd) {
case INT_SC_SERDES_WRITE_REG:
rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
bsg_job->reply->reply_payload_rcv_len = 0;
break;
case INT_SC_SERDES_READ_REG:
rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
break;
default:
ql_dbg(ql_dbg_user, vha, 0x70cf,
"Unknown serdes cmd %x.\n", sr.cmd);
rval = -EINVAL;
break;
}
@@ -2121,6 +2161,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
case QL_VND_SERDES_OP:
return qla26xx_serdes_op(bsg_job);
case QL_VND_SERDES_OP_EX:
return qla8044_serdes_op(bsg_job);
default:
return -ENOSYS;
}