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System firmware advertises the address of the 'Runtime Configuration Interface table version 2 (RCI2)' via an EFI Configuration Table entry. This code retrieves the RCI2 table from the address and exports it to sysfs as a binary attribute 'rci2' under /sys/firmware/efi/tables directory. The approach adopted is similar to the attribute 'DMI' under /sys/firmware/dmi/tables. RCI2 table contains BIOS HII in XML format and is used to populate BIOS setup page in Dell EMC OpenManage Server Administrator tool. The BIOS setup page contains BIOS tokens which can be configured. Signed-off-by: Narendra K <Narendra.K@dell.com> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
What: /sys/firmware/efi/fw_vendor
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of firmware vendor field in the
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EFI system table.
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Users: Kexec
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What: /sys/firmware/efi/runtime
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of runtime service table entry in
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the EFI system table.
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Users: Kexec
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What: /sys/firmware/efi/config_table
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of config table entry in the EFI
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system table.
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Users: Kexec
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What: /sys/firmware/efi/systab
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Date: April 2005
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Contact: linux-efi@vger.kernel.org
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Description: Displays the physical addresses of all EFI Configuration
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Tables found via the EFI System Table. The order in
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which the tables are printed forms an ABI and newer
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versions are always printed first, i.e. ACPI20 comes
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before ACPI.
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Users: dmidecode
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What: /sys/firmware/efi/tables/rci2
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Date: July 2019
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Contact: Narendra K <Narendra.K@dell.com>, linux-bugs@dell.com
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Description: Displays the content of the Runtime Configuration Interface
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Table version 2 on Dell EMC PowerEdge systems in binary format
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Users: It is used by Dell EMC OpenManage Server Administrator tool to
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populate BIOS setup page.
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