diff options
author | Gilbert Wu <Gilbert_Wu@adaptec.com> | 2007-10-23 00:19:11 +0200 |
---|---|---|
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 01:22:30 +0100 |
commit | 1237c98db2aa94b42dbb9fb1df062b7d3733dc83 (patch) | |
tree | 01c6d82790815753c0e66e9c3e571862d0f226bf /drivers/scsi/aic94xx/aic94xx_init.c | |
parent | [SCSI] sr,sd: send media state change modification events (diff) | |
download | linux-1237c98db2aa94b42dbb9fb1df062b7d3733dc83.tar.xz linux-1237c98db2aa94b42dbb9fb1df062b7d3733dc83.zip |
[SCSI] aic94xx: update BIOS image from user space.
1. Create a file "update_bios" in sysfs to allow user to update bios
from user space.
2. The BIOS image file can be downloaded from web site
"http://www.adaptec.com/en-US/downloads/bios_fw/bios_fw_ver?productId=SAS-48300&dn=Adaptec+Serial+Attached+SCSI+48300"
and copy the BIOS image into /lib/firmware folder.
3. The aic994xx will accept "update bios_file" and "verify bios_file"
commands to perform update and verify BIOS image .
For example:
Type "echo "update asc483c01.ufi" > /sys/devices/.../update_bios"
to update BIOS image from /lib/firmware/as483c01.ufi file into
HBA's flash memory.
Type "echo "verify asc483c01.ufi" > /sys/devices/.../update_bios"
to verify BIOS image between /lib/firmware/asc48c01.ufi file
and
HBA's flash memory.
4. Type "cat /sys/devices/.../update_bios" to view the status or
result
of updating BIOS.
Signed-off-by: Gilbert Wu <gilbert_wu@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/aic94xx/aic94xx_init.c')
-rw-r--r-- | drivers/scsi/aic94xx/aic94xx_init.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index b70d6e7f96e9..de0667011e13 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -29,6 +29,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/delay.h> +#include <linux/firmware.h> #include <scsi/scsi_host.h> @@ -36,6 +37,7 @@ #include "aic94xx_reg.h" #include "aic94xx_hwi.h" #include "aic94xx_seq.h" +#include "aic94xx_sds.h" /* The format is "version.release.patchlevel" */ #define ASD_DRIVER_VERSION "1.0.3" @@ -313,6 +315,181 @@ static ssize_t asd_show_dev_pcba_sn(struct device *dev, } static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); +#define FLASH_CMD_NONE 0x00 +#define FLASH_CMD_UPDATE 0x01 +#define FLASH_CMD_VERIFY 0x02 + +struct flash_command { + u8 command[8]; + int code; +}; + +static struct flash_command flash_command_table[] = +{ + {"verify", FLASH_CMD_VERIFY}, + {"update", FLASH_CMD_UPDATE}, + {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ +}; + +struct error_bios { + char *reason; + int err_code; +}; + +static struct error_bios flash_error_table[] = +{ + {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE}, + {"PCI ID mismatch", FAIL_CHECK_PCI_ID}, + {"Checksum mismatch", FAIL_CHECK_SUM}, + {"Unknown Error", FAIL_UNKNOWN}, + {"Failed to verify.", FAIL_VERIFY}, + {"Failed to reset flash chip.", FAIL_RESET_FLASH}, + {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID}, + {"Failed to erash flash chip.", FAIL_ERASE_FLASH}, + {"Failed to program flash chip.", FAIL_WRITE_FLASH}, + {"Flash in progress", FLASH_IN_PROGRESS}, + {"Image file size Error", FAIL_FILE_SIZE}, + {"Input parameter error", FAIL_PARAMETERS}, + {"Out of memory", FAIL_OUT_MEMORY}, + {"OK", 0} /* Last entry err_code = 0. */ +}; + +static ssize_t asd_store_update_bios(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); + char *cmd_ptr, *filename_ptr; + struct bios_file_header header, *hdr_ptr; + int res, i; + u32 csum = 0; + int flash_command = FLASH_CMD_NONE; + int err = 0; + + cmd_ptr = kzalloc(count*2, GFP_KERNEL); + + if (!cmd_ptr) { + err = FAIL_OUT_MEMORY; + goto out; + } + + filename_ptr = cmd_ptr + count; + res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); + if (res != 2) { + err = FAIL_PARAMETERS; + goto out1; + } + + for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { + if (!memcmp(flash_command_table[i].command, + cmd_ptr, strlen(cmd_ptr))) { + flash_command = flash_command_table[i].code; + break; + } + } + if (flash_command == FLASH_CMD_NONE) { + err = FAIL_PARAMETERS; + goto out1; + } + + if (asd_ha->bios_status == FLASH_IN_PROGRESS) { + err = FLASH_IN_PROGRESS; + goto out1; + } + err = request_firmware(&asd_ha->bios_image, + filename_ptr, + &asd_ha->pcidev->dev); + if (err) { + asd_printk("Failed to load bios image file %s, error %d\n", + filename_ptr, err); + err = FAIL_OPEN_BIOS_FILE; + goto out1; + } + + hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data; + + if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor || + hdr_ptr->contrl_id.device != asd_ha->pcidev->device) && + (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor || + hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) { + + ASD_DPRINTK("The PCI vendor or device id does not match\n"); + ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x" + " pci vendor=%x pci dev=%x\n", + hdr_ptr->contrl_id.vendor, + hdr_ptr->contrl_id.device, + hdr_ptr->contrl_id.sub_vendor, + hdr_ptr->contrl_id.sub_device, + asd_ha->pcidev->vendor, + asd_ha->pcidev->device); + err = FAIL_CHECK_PCI_ID; + goto out2; + } + + if (hdr_ptr->filelen != asd_ha->bios_image->size) { + err = FAIL_FILE_SIZE; + goto out2; + } + + /* calculate checksum */ + for (i = 0; i < hdr_ptr->filelen; i++) + csum += asd_ha->bios_image->data[i]; + + if ((csum & 0x0000ffff) != hdr_ptr->checksum) { + ASD_DPRINTK("BIOS file checksum mismatch\n"); + err = FAIL_CHECK_SUM; + goto out2; + } + if (flash_command == FLASH_CMD_UPDATE) { + asd_ha->bios_status = FLASH_IN_PROGRESS; + err = asd_write_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(*hdr_ptr)], + 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); + if (!err) + err = asd_verify_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(*hdr_ptr)], + 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); + } else { + asd_ha->bios_status = FLASH_IN_PROGRESS; + err = asd_verify_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(header)], + 0, hdr_ptr->filelen-sizeof(header)); + } + +out2: + release_firmware(asd_ha->bios_image); +out1: + kfree(cmd_ptr); +out: + asd_ha->bios_status = err; + + if (!err) + return count; + else + return -err; +} + +static ssize_t asd_show_update_bios(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int i; + struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); + + for (i = 0; flash_error_table[i].err_code != 0; i++) { + if (flash_error_table[i].err_code == asd_ha->bios_status) + break; + } + if (asd_ha->bios_status != FLASH_IN_PROGRESS) + asd_ha->bios_status = FLASH_OK; + + return snprintf(buf, PAGE_SIZE, "status=%x %s\n", + flash_error_table[i].err_code, + flash_error_table[i].reason); +} + +static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUGO, + asd_show_update_bios, asd_store_update_bios); + static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) { int err; @@ -328,9 +505,14 @@ static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); if (err) goto err_biosb; + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); + if (err) + goto err_update_bios; return 0; +err_update_bios: + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); err_biosb: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); err_rev: @@ -343,6 +525,7 @@ static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); } /* The first entry, 0, is used for dynamic ids, the rest for devices @@ -589,6 +772,7 @@ static int __devinit asd_pci_probe(struct pci_dev *dev, asd_ha->sas_ha.dev = &asd_ha->pcidev->dev; asd_ha->sas_ha.lldd_ha = asd_ha; + asd_ha->bios_status = FLASH_OK; asd_ha->name = asd_dev->name; asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); |