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path: root/drivers/scsi/qla2xxx/qla_sup.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_sup.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 1728ab3ccb2..1bca7447493 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -869,11 +869,9 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
uint32_t i;
uint32_t *dwptr;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
- unsigned long flags;
ret = QLA_SUCCESS;
- spin_lock_irqsave(&ha->hardware_lock, flags);
/* Enable flash write. */
WRT_REG_DWORD(&reg->ctrl_status,
RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
@@ -907,7 +905,6 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
WRT_REG_DWORD(&reg->ctrl_status,
RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
RD_REG_DWORD(&reg->ctrl_status); /* PCI Posting. */
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
return ret;
}
@@ -2306,6 +2303,51 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
}
static int
+qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
+{
+ if (pos >= end || *pos != 0x82)
+ return 0;
+
+ pos += 3 + pos[1];
+ if (pos >= end || *pos != 0x90)
+ return 0;
+
+ pos += 3 + pos[1];
+ if (pos >= end || *pos != 0x78)
+ return 0;
+
+ return 1;
+}
+
+int
+qla2xxx_get_vpd_field(scsi_qla_host_t *ha, char *key, char *str, size_t size)
+{
+ uint8_t *pos = ha->vpd;
+ uint8_t *end = pos + ha->vpd_size;
+ int len = 0;
+
+ if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
+ return 0;
+
+ while (pos < end && *pos != 0x78) {
+ len = (*pos == 0x82) ? pos[1] : pos[2];
+
+ if (!strncmp(pos, key, strlen(key)))
+ break;
+
+ if (*pos != 0x90 && *pos != 0x91)
+ pos += len;
+
+ pos += 3;
+ }
+
+ if (pos < end - len && *pos != 0x78)
+ return snprintf(str, size, "%.*s", len, pos + 3);
+
+ return 0;
+}
+
+static int
qla2xxx_hw_event_store(scsi_qla_host_t *ha, uint32_t *fdata)
{
uint32_t d[2], faddr;