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authorGilbert Wu <Gilbert_Wu@adaptec.com>2007-10-22 15:19:11 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-11 18:22:30 -0600
commit1237c98db2aa94b42dbb9fb1df062b7d3733dc83 (patch)
tree01c6d82790815753c0e66e9c3e571862d0f226bf /Documentation
parent285e9670d91cdeb6b6693729950339cb45410fdc (diff)
downloadvexpress-lsk-1237c98db2aa94b42dbb9fb1df062b7d3733dc83.tar.gz
[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>
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