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| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2006-06-23 16:10:50 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-26 16:22:40 -0500 |
| commit | 88729e53a4798df20e7a7ef68e0a816f4a268da4 (patch) | |
| tree | 23635e817ed3385167c3ee73ce4bafbabdb33848 /drivers/scsi/qla2xxx/qla_attr.c | |
| parent | 8baa51a6f027a2f581930da12f867d8054907656 (diff) | |
| download | kernel_samsung_crespo-88729e53a4798df20e7a7ef68e0a816f4a268da4.zip kernel_samsung_crespo-88729e53a4798df20e7a7ef68e0a816f4a268da4.tar.gz kernel_samsung_crespo-88729e53a4798df20e7a7ef68e0a816f4a268da4.tar.bz2 | |
[SCSI] qla2xxx: Add DMI (Diagnostics Monitoring Interface) support.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 78eec67..1a766b2 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -338,6 +338,53 @@ static struct bin_attribute sysfs_vpd_attr = { .write = qla2x00_sysfs_write_vpd, }; +static ssize_t +qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off, + size_t count) +{ + struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj, + struct device, kobj))); + uint16_t iter, addr, offset; + int rval; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2) + return 0; + + addr = 0xa0; + for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE; + iter++, offset += SFP_BLOCK_SIZE) { + if (iter == 4) { + /* Skip to next device address. */ + addr = 0xa2; + offset = 0; + } + + rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset, + SFP_BLOCK_SIZE); + if (rval != QLA_SUCCESS) { + qla_printk(KERN_WARNING, ha, + "Unable to read SFP data (%x/%x/%x).\n", rval, + addr, offset); + count = 0; + break; + } + memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); + buf += SFP_BLOCK_SIZE; + } + + return count; +} + +static struct bin_attribute sysfs_sfp_attr = { + .attr = { + .name = "sfp", + .mode = S_IRUSR | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = SFP_DEV_SIZE * 2, + .read = qla2x00_sysfs_read_sfp, +}; + void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) { @@ -349,6 +396,9 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_ctl_attr); sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr); + if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) + sysfs_create_bin_file(&host->shost_gendev.kobj, + &sysfs_sfp_attr); } void @@ -362,6 +412,9 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha) sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_ctl_attr); sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr); + if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) + sysfs_remove_bin_file(&host->shost_gendev.kobj, + &sysfs_sfp_attr); if (ha->beacon_blink_led == 1) ha->isp_ops.beacon_off(ha); |