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path: root/drivers/scsi/qla2xxx/qla_attr.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c120
1 files changed, 76 insertions, 44 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index e96d58ded57c..87f90c4f08e9 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -16,15 +16,16 @@ qla2x00_sysfs_read_fw_dump(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)));
+ char *rbuf = (char *)ha->fw_dump;
if (ha->fw_dump_reading == 0)
return 0;
- if (off > ha->fw_dump_buffer_len)
- return 0;
- if (off + count > ha->fw_dump_buffer_len)
- count = ha->fw_dump_buffer_len - off;
+ if (off > ha->fw_dump_len)
+ return 0;
+ if (off + count > ha->fw_dump_len)
+ count = ha->fw_dump_len - off;
- memcpy(buf, &ha->fw_dump_buffer[off], count);
+ memcpy(buf, &rbuf[off], count);
return (count);
}
@@ -36,7 +37,6 @@ qla2x00_sysfs_write_fw_dump(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)));
int reading;
- uint32_t dump_size;
if (off != 0)
return (0);
@@ -44,46 +44,27 @@ qla2x00_sysfs_write_fw_dump(struct kobject *kobj, char *buf, loff_t off,
reading = simple_strtol(buf, NULL, 10);
switch (reading) {
case 0:
- if (ha->fw_dump_reading == 1) {
- qla_printk(KERN_INFO, ha,
- "Firmware dump cleared on (%ld).\n", ha->host_no);
+ if (!ha->fw_dump_reading)
+ break;
- vfree(ha->fw_dump_buffer);
- ha->fw_dump_buffer = NULL;
- ha->fw_dump_reading = 0;
- ha->fw_dumped = 0;
- }
+ qla_printk(KERN_INFO, ha,
+ "Firmware dump cleared on (%ld).\n", ha->host_no);
+
+ ha->fw_dump_reading = 0;
+ ha->fw_dumped = 0;
break;
case 1:
if (ha->fw_dumped && !ha->fw_dump_reading) {
ha->fw_dump_reading = 1;
- if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
- dump_size = FW_DUMP_SIZE_24XX;
- else {
- dump_size = FW_DUMP_SIZE_1M;
- if (ha->fw_memory_size < 0x20000)
- dump_size = FW_DUMP_SIZE_128K;
- else if (ha->fw_memory_size < 0x80000)
- dump_size = FW_DUMP_SIZE_512K;
- }
- ha->fw_dump_buffer = (char *)vmalloc(dump_size);
- if (ha->fw_dump_buffer == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Unable to allocate memory for firmware "
- "dump buffer (%d).\n", dump_size);
-
- ha->fw_dump_reading = 0;
- return (count);
- }
qla_printk(KERN_INFO, ha,
- "Firmware dump ready for read on (%ld).\n",
+ "Raw firmware dump ready for read on (%ld).\n",
ha->host_no);
- memset(ha->fw_dump_buffer, 0, dump_size);
- ha->isp_ops.ascii_fw_dump(ha);
- ha->fw_dump_buffer_len = strlen(ha->fw_dump_buffer);
}
break;
+ case 2:
+ qla2x00_alloc_fw_dump(ha);
+ break;
}
return (count);
}
@@ -313,9 +294,6 @@ qla2x00_sysfs_read_vpd(struct kobject *kobj, char *buf, loff_t off,
if (!capable(CAP_SYS_ADMIN) || off != 0)
return 0;
- if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
- return -ENOTSUPP;
-
/* Read NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
@@ -335,9 +313,6 @@ qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
return 0;
- if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
- return -ENOTSUPP;
-
/* Write NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
@@ -357,6 +332,53 @@ 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)
{
@@ -367,7 +389,12 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
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_vpd_attr);
+ sysfs_create_bin_file(&host->shost_gendev.kobj,
+ &sysfs_sfp_attr);
+ }
}
void
@@ -380,7 +407,12 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
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_vpd_attr);
+ sysfs_remove_bin_file(&host->shost_gendev.kobj,
+ &sysfs_sfp_attr);
+ }
if (ha->beacon_blink_led == 1)
ha->isp_ops.beacon_off(ha);
generated by cgit (git 2.34.1) at 2024-06-09 12:35:18 +0000