diff options
| author | Joe Carnuccio <joe.carnuccio@qlogic.com> | 2014-04-12 00:54:37 +0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-19 15:31:04 +0400 |
| commit | 7c6300e3941da8e84bf5faf1358bf3909c5ef97e (patch) | |
| tree | ea02446a9501baeb915d8ef39fa74f97cb7271bf /drivers/scsi/qla2xxx/qla_init.c | |
| parent | c04964017ac418d8d559aa32fd2ad6876fa162f7 (diff) | |
| download | linux-7c6300e3941da8e84bf5faf1358bf3909c5ef97e.tar.xz | |
qla2xxx: ISP27xx queue index shadow registers.
For ISP27xx use the request/response queue index shadow registers
to avoid directly access them on the PCI bus.
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>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2d97d7c146e4..20b569e93340 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2062,6 +2062,10 @@ qla24xx_config_rings(struct scsi_qla_host *vha) icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma)); icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma)); + if (IS_SHADOW_REG_CAPABLE(ha)) + icb->firmware_options_2 |= + __constant_cpu_to_le32(BIT_30|BIT_29); + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS); icb->rid = __constant_cpu_to_le16(rid); @@ -2139,6 +2143,8 @@ qla2x00_init_rings(scsi_qla_host_t *vha) req = ha->req_q_map[que]; if (!req) continue; + req->out_ptr = (void *)(req->ring + req->length); + *req->out_ptr = 0; for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) req->outstanding_cmds[cnt] = NULL; @@ -2154,6 +2160,8 @@ qla2x00_init_rings(scsi_qla_host_t *vha) rsp = ha->rsp_q_map[que]; if (!rsp) continue; + rsp->in_ptr = (void *)(rsp->ring + rsp->length); + *rsp->in_ptr = 0; /* Initialize response queue entries */ if (IS_QLAFX00(ha)) qlafx00_init_response_q_entries(rsp); |