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-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c108
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c4
4 files changed, 96 insertions, 20 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 0f2a9f5d801..8e7e00cf7e8 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -175,10 +175,10 @@ qla2x00_sysfs_read_optrom(struct kobject *kobj,
if (ha->optrom_state != QLA_SREADING)
return 0;
- if (off > ha->optrom_size)
+ if (off > ha->optrom_region_size)
return 0;
- if (off + count > ha->optrom_size)
- count = ha->optrom_size - off;
+ if (off + count > ha->optrom_region_size)
+ count = ha->optrom_region_size - off;
memcpy(buf, &ha->optrom_buffer[off], count);
@@ -195,10 +195,10 @@ qla2x00_sysfs_write_optrom(struct kobject *kobj,
if (ha->optrom_state != QLA_SWRITING)
return -EINVAL;
- if (off > ha->optrom_size)
+ if (off > ha->optrom_region_size)
return -ERANGE;
- if (off + count > ha->optrom_size)
- count = ha->optrom_size - off;
+ if (off + count > ha->optrom_region_size)
+ count = ha->optrom_region_size - off;
memcpy(&ha->optrom_buffer[off], buf, count);
@@ -222,12 +222,16 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
{
struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
struct device, kobj)));
- int val;
+ uint32_t start = 0;
+ uint32_t size = ha->optrom_size;
+ int val, valid;
if (off)
return 0;
- if (sscanf(buf, "%d", &val) != 1)
+ if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
+ return -EINVAL;
+ if (start > ha->optrom_size)
return -EINVAL;
switch (val) {
@@ -237,6 +241,11 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
break;
ha->optrom_state = QLA_SWAITING;
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Freeing flash region allocation -- 0x%x bytes.\n",
+ ha->optrom_region_size));
+
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
break;
@@ -244,44 +253,107 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
if (ha->optrom_state != QLA_SWAITING)
break;
+ if (start & 0xfff) {
+ qla_printk(KERN_WARNING, ha,
+ "Invalid start region 0x%x/0x%x.\n", start, size);
+ return -EINVAL;
+ }
+
+ ha->optrom_region_start = start;
+ ha->optrom_region_size = start + size > ha->optrom_size ?
+ ha->optrom_size - start : size;
+
ha->optrom_state = QLA_SREADING;
- ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for optrom retrieval "
- "(%x).\n", ha->optrom_size);
+ "(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return count;
}
- memset(ha->optrom_buffer, 0, ha->optrom_size);
- ha->isp_ops->read_optrom(ha, ha->optrom_buffer, 0,
- ha->optrom_size);
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Reading flash region -- 0x%x/0x%x.\n",
+ ha->optrom_region_start, ha->optrom_region_size));
+
+ memset(ha->optrom_buffer, 0, ha->optrom_region_size);
+ ha->isp_ops->read_optrom(ha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
break;
case 2:
if (ha->optrom_state != QLA_SWAITING)
break;
+ /*
+ * We need to be more restrictive on which FLASH regions are
+ * allowed to be updated via user-space. Regions accessible
+ * via this method include:
+ *
+ * ISP21xx/ISP22xx/ISP23xx type boards:
+ *
+ * 0x000000 -> 0x020000 -- Boot code.
+ *
+ * ISP2322/ISP24xx type boards:
+ *
+ * 0x000000 -> 0x07ffff -- Boot code.
+ * 0x080000 -> 0x0fffff -- Firmware.
+ *
+ * ISP25xx type boards:
+ *
+ * 0x000000 -> 0x07ffff -- Boot code.
+ * 0x080000 -> 0x0fffff -- Firmware.
+ * 0x120000 -> 0x12ffff -- VPD and HBA parameters.
+ */
+ valid = 0;
+ if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
+ valid = 1;
+ else if (start == (FA_BOOT_CODE_ADDR*4) ||
+ start == (FA_RISC_CODE_ADDR*4))
+ valid = 1;
+ else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4))
+ valid = 1;
+ if (!valid) {
+ qla_printk(KERN_WARNING, ha,
+ "Invalid start region 0x%x/0x%x.\n", start, size);
+ return -EINVAL;
+ }
+
+ ha->optrom_region_start = start;
+ ha->optrom_region_size = start + size > ha->optrom_size ?
+ ha->optrom_size - start : size;
+
ha->optrom_state = QLA_SWRITING;
- ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for optrom update "
- "(%x).\n", ha->optrom_size);
+ "(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return count;
}
- memset(ha->optrom_buffer, 0, ha->optrom_size);
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Staging flash region write -- 0x%x/0x%x.\n",
+ ha->optrom_region_start, ha->optrom_region_size));
+
+ memset(ha->optrom_buffer, 0, ha->optrom_region_size);
break;
case 3:
if (ha->optrom_state != QLA_SWRITING)
break;
- ha->isp_ops->write_optrom(ha, ha->optrom_buffer, 0,
- ha->optrom_size);
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Writing flash region -- 0x%x/0x%x.\n",
+ ha->optrom_region_start, ha->optrom_region_size));
+
+ ha->isp_ops->write_optrom(ha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
break;
+ default:
+ count = -EINVAL;
}
return count;
}
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 4af08561883..e1e342889b2 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2478,6 +2478,8 @@ typedef struct scsi_qla_host {
#define QLA_SWAITING 0
#define QLA_SREADING 1
#define QLA_SWRITING 2
+ uint32_t optrom_region_start;
+ uint32_t optrom_region_size;
/* PCI expansion ROM image information. */
#define ROM_CODE_TYPE_BIOS 0
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 99fe49618d6..d5344d7a862 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -779,6 +779,8 @@ struct device_reg_24xx {
#define FA_NVRAM_VPD_SIZE 0x200
#define FA_NVRAM_VPD0_ADDR 0x00
#define FA_NVRAM_VPD1_ADDR 0x100
+
+#define FA_BOOT_CODE_ADDR 0x00000
/*
* RISC code begins at offset 512KB
* within flash. Consisting of two
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index ad3d1de51d8..40b059fc198 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -559,7 +559,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
ret = QLA_SUCCESS;
/* Prepare burst-capable write on supported ISPs. */
- if (IS_QLA25XX(ha) && !(faddr & ~OPTROM_BURST_SIZE) &&
+ if (IS_QLA25XX(ha) && !(faddr & 0xfff) &&
dwords > OPTROM_BURST_DWORDS) {
optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
&optrom_dma, GFP_KERNEL);
@@ -1824,7 +1824,7 @@ qla25xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
uint8_t *pbuf;
uint32_t faddr, left, burst;
- if (offset & ~OPTROM_BURST_SIZE)
+ if (offset & 0xfff)
goto slow_read;
if (length < OPTROM_BURST_SIZE)
goto slow_read;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 19:09:12 +0000