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qla2xxx: Add ISP8044 serdes bsg interface. 

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
View File

@ -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;
}

7
drivers/scsi/qla2xxx/qla_bsg.h
View File

@ -24,6 +24,7 @@
#define QL_VND_READ_I2C 0x11
#define QL_VND_FX00_MGMT_CMD 0x12
#define QL_VND_SERDES_OP 0x13
#define QL_VND_SERDES_OP_EX 0x14
/* BSG Vendor specific subcode returns */
#define EXT_STATUS_OK 0
@ -225,4 +226,10 @@ struct qla_serdes_reg {
uint16_t val;
} __packed;
struct qla_serdes_reg_ex {
uint16_t cmd;
uint32_t addr;
uint32_t val;
} __packed;
#endif

2
drivers/scsi/qla2xxx/qla_dbg.c
View File

@ -15,7 +15,7 @@
* | | | 0x0144,0x0146 |
* | | | 0x015b-0x0160 |
* | | | 0x016e-0x0170 |
* | Mailbox commands | 0x1187 | 0x1018-0x1019 |
* | Mailbox commands | 0x118d | 0x1018-0x1019 |
* | | | 0x10ca |
* | | | 0x1115-0x1116 |
* | | | 0x111a-0x111b |

7
drivers/scsi/qla2xxx/qla_def.h
View File

@ -965,6 +965,13 @@ struct mbx_cmd_32 {
*/
#define MBC_WRITE_MPI_REGISTER 0x01 /* Write MPI Register. */
/*
* ISP8044 mailbox commands
*/
#define MBC_SET_GET_ETH_SERDES_REG 0x150
#define HCS_WRITE_SERDES 0x3
#define HCS_READ_SERDES 0x4
/* Firmware return data sizes */
#define FCAL_MAP_SIZE 128

5
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -346,6 +346,11 @@ qla2x00_write_serdes_word(scsi_qla_host_t *, uint16_t, uint16_t);
extern int
qla2x00_read_serdes_word(scsi_qla_host_t *, uint16_t, uint16_t *);
extern int
qla8044_write_serdes_word(scsi_qla_host_t *, uint32_t, uint32_t);
extern int
qla8044_read_serdes_word(scsi_qla_host_t *, uint32_t, uint32_t *);
extern int
qla2x00_set_serdes_params(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);

72
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -2879,6 +2879,78 @@ qla2x00_read_serdes_word(scsi_qla_host_t *vha, uint16_t addr, uint16_t *data)
return rval;
}
int
qla8044_write_serdes_word(scsi_qla_host_t *vha, uint32_t addr, uint32_t data)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
if (!IS_QLA8044(vha->hw))
return QLA_FUNCTION_FAILED;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1186,
"Entered %s.\n", __func__);
mcp->mb[0] = MBC_SET_GET_ETH_SERDES_REG;
mcp->mb[1] = HCS_WRITE_SERDES;
mcp->mb[3] = LSW(addr);
mcp->mb[4] = MSW(addr);
mcp->mb[5] = LSW(data);
mcp->mb[6] = MSW(data);
mcp->out_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_1|MBX_0;
mcp->in_mb = MBX_0;
mcp->tov = MBX_TOV_SECONDS;
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x1187,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1188,
"Done %s.\n", __func__);
}
return rval;
}
int
qla8044_read_serdes_word(scsi_qla_host_t *vha, uint32_t addr, uint32_t *data)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
if (!IS_QLA8044(vha->hw))
return QLA_FUNCTION_FAILED;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1189,
"Entered %s.\n", __func__);
mcp->mb[0] = MBC_SET_GET_ETH_SERDES_REG;
mcp->mb[1] = HCS_READ_SERDES;
mcp->mb[3] = LSW(addr);
mcp->mb[4] = MSW(addr);
mcp->out_mb = MBX_4|MBX_3|MBX_1|MBX_0;
mcp->in_mb = MBX_2|MBX_1|MBX_0;
mcp->tov = MBX_TOV_SECONDS;
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
*data = mcp->mb[2] << 16 | mcp->mb[1];
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x118a,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x118b,
"Done %s.\n", __func__);
}
return rval;
}
/**
* qla2x00_set_serdes_params() -
* @ha: HA context