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author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2005-07-06 10:31:07 -0700 |
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committer | James Bottomley <jejb@mulgrave.(none)> | 2005-07-14 10:56:54 -0400 |
commit | 459c537807bd72cce7b007fb218bb5a658a6c3c1 (patch) | |
tree | 18a05e5f8fb73651219860f7056c6f73a885d623 /drivers/scsi/qla2xxx/qla_attr.c | |
parent | 1c7c63574ff3e568ca374e9f05e30b8d7d64273e (diff) | |
download | kernel_samsung_espresso10-459c537807bd72cce7b007fb218bb5a658a6c3c1.zip kernel_samsung_espresso10-459c537807bd72cce7b007fb218bb5a658a6c3c1.tar.gz kernel_samsung_espresso10-459c537807bd72cce7b007fb218bb5a658a6c3c1.tar.bz2 |
[SCSI] qla2xxx: Add ISP24xx flash-manipulation routines.
Add ISP24xx flash-manipulation routines.
Add read/write flash manipulation routines for the ISP24xx.
Update sysfs NVRAM objects to use generalized accessor
functions.
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 | 59 |
1 files changed, 28 insertions, 31 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 30c381c..9361f42 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -118,23 +118,15 @@ qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off, { struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj, struct device, kobj))); - uint16_t *witer; unsigned long flags; - uint16_t cnt; - if (!capable(CAP_SYS_ADMIN) || off != 0 || count != sizeof(nvram_t)) + if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size) return 0; /* Read NVRAM. */ spin_lock_irqsave(&ha->hardware_lock, flags); - qla2x00_lock_nvram_access(ha); - witer = (uint16_t *)buf; - for (cnt = 0; cnt < count / 2; cnt++) { - *witer = cpu_to_le16(qla2x00_get_nvram_word(ha, - cnt+ha->nvram_base)); - witer++; - } - qla2x00_unlock_nvram_access(ha); + ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base, + ha->nvram_size); spin_unlock_irqrestore(&ha->hardware_lock, flags); return (count); @@ -146,34 +138,38 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off, { struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj, struct device, kobj))); - uint8_t *iter; - uint16_t *witer; unsigned long flags; uint16_t cnt; - uint8_t chksum; - if (!capable(CAP_SYS_ADMIN) || off != 0 || count != sizeof(nvram_t)) + if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size) return 0; /* Checksum NVRAM. */ - iter = (uint8_t *)buf; - chksum = 0; - for (cnt = 0; cnt < count - 1; cnt++) - chksum += *iter++; - chksum = ~chksum + 1; - *iter = chksum; + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { + uint32_t *iter; + uint32_t chksum; + + iter = (uint32_t *)buf; + chksum = 0; + for (cnt = 0; cnt < ((count >> 2) - 1); cnt++) + chksum += le32_to_cpu(*iter++); + chksum = ~chksum + 1; + *iter = cpu_to_le32(chksum); + } else { + uint8_t *iter; + uint8_t chksum; + + iter = (uint8_t *)buf; + chksum = 0; + for (cnt = 0; cnt < count - 1; cnt++) + chksum += *iter++; + chksum = ~chksum + 1; + *iter = chksum; + } /* Write NVRAM. */ spin_lock_irqsave(&ha->hardware_lock, flags); - qla2x00_lock_nvram_access(ha); - qla2x00_release_nvram_protection(ha); - witer = (uint16_t *)buf; - for (cnt = 0; cnt < count / 2; cnt++) { - qla2x00_write_nvram_word(ha, cnt+ha->nvram_base, - cpu_to_le16(*witer)); - witer++; - } - qla2x00_unlock_nvram_access(ha); + ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count); spin_unlock_irqrestore(&ha->hardware_lock, flags); return (count); @@ -185,7 +181,7 @@ static struct bin_attribute sysfs_nvram_attr = { .mode = S_IRUSR | S_IWUSR, .owner = THIS_MODULE, }, - .size = sizeof(nvram_t), + .size = 0, .read = qla2x00_sysfs_read_nvram, .write = qla2x00_sysfs_write_nvram, }; @@ -196,6 +192,7 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) struct Scsi_Host *host = ha->host; sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr); + sysfs_nvram_attr.size = ha->nvram_size; sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr); } |