diff options
author | Lalit Chandivade <lalit.chandivade@qlogic.com> | 2009-03-26 08:49:17 -0700 |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-04-03 09:22:49 -0500 |
commit | 6e181be508cf81fda4407b4689befeb7e4149607 (patch) | |
tree | 27765812d249113374e9fdf9267f3043811fcb2e /drivers/scsi/qla2xxx | |
parent | 2533cf671da0603129c8af9c31c735e1d2654e20 (diff) | |
download | op-kernel-dev-6e181be508cf81fda4407b4689befeb7e4149607.zip op-kernel-dev-6e181be508cf81fda4407b4689befeb7e4149607.tar.gz |
[SCSI] qla2xxx: Add reset capabilities for application support.
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 56 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_fw.h | 1 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 1 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 26 |
4 files changed, 84 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 117517d..1f1a7c0 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -479,6 +479,61 @@ static struct bin_attribute sysfs_sfp_attr = { .read = qla2x00_sysfs_read_sfp, }; +static ssize_t +qla2x00_sysfs_write_reset(struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, + struct device, kobj))); + struct qla_hw_data *ha = vha->hw; + int type; + + if (off != 0) + return 0; + + type = simple_strtol(buf, NULL, 10); + switch (type) { + case 0x2025c: + qla_printk(KERN_INFO, ha, + "Issuing ISP reset on (%ld).\n", vha->host_no); + + scsi_block_requests(vha->host); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_chip_reset(vha); + scsi_unblock_requests(vha->host); + break; + case 0x2025d: + if (!IS_QLA81XX(ha)) + break; + + qla_printk(KERN_INFO, ha, + "Issuing MPI reset on (%ld).\n", vha->host_no); + + /* Make sure FC side is not in reset */ + qla2x00_wait_for_hba_online(vha); + + /* Issue MPI reset */ + scsi_block_requests(vha->host); + if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS) + qla_printk(KERN_WARNING, ha, + "MPI reset failed on (%ld).\n", vha->host_no); + scsi_unblock_requests(vha->host); + break; + } + return count; +} + +static struct bin_attribute sysfs_reset_attr = { + .attr = { + .name = "reset", + .mode = S_IWUSR, + }, + .size = 0, + .write = qla2x00_sysfs_write_reset, +}; + static struct sysfs_entry { char *name; struct bin_attribute *attr; @@ -490,6 +545,7 @@ static struct sysfs_entry { { "optrom_ctl", &sysfs_optrom_ctl_attr, }, { "vpd", &sysfs_vpd_attr, 1 }, { "sfp", &sysfs_sfp_attr, 1 }, + { "reset", &sysfs_reset_attr, }, { NULL }, }; diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 9830193..e47c4c3 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -1403,6 +1403,7 @@ struct access_chip_rsp_84xx { #define MBA_IDC_TIME_EXT 0x8102 #define MBC_IDC_ACK 0x101 +#define MBC_RESTART_MPI_FW 0x3d #define MBC_FLASH_ACCESS_CTRL 0x3e /* Control flash access. */ /* Flash access control option field bit definitions */ diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index c75e7f9..41c3f41 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -73,6 +73,7 @@ extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); extern int qla2x00_post_aen_work(struct scsi_qla_host *, enum fc_host_event_code, u32); extern int qla2x00_post_idc_ack_work(struct scsi_qla_host *, uint16_t *); +extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *); extern void qla2x00_abort_fcport_cmds(fc_port_t *); extern struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *, diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 2bc08d3..dc5e5d9 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3325,3 +3325,29 @@ qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish) return rval; } + +int +qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha) +{ + int rval = 0; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no)); + + mcp->mb[0] = MBC_RESTART_MPI_FW; + mcp->out_mb = MBX_0; + mcp->in_mb = MBX_0|MBX_1; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x mb[1]=0x%x.\n", + __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1])); + } else { + DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no)); + } + + return rval; +} |