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| author | Sunil V L <sunilvl@ventanamicro.com> | 2022-01-28 18:18:44 +0300 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-01-29 12:23:40 +0300 |
| commit | 1ccf87165e38cb32f2444d8fd4b3e4d8ea13928e (patch) | |
| tree | 5d71747769a48b09f22cf17fa21d4fdd4c1c640b /include/efi_riscv.h | |
| parent | 9e63786e2b4b35587da2050c180111e9bd1e3a23 (diff) | |
| download | u-boot-1ccf87165e38cb32f2444d8fd4b3e4d8ea13928e.tar.xz | |
efi_loader: Enable RISCV_EFI_BOOT_PROTOCOL support
This adds support for new RISCV_EFI_BOOT_PROTOCOL to
communicate the boot hart ID to bootloader/kernel on RISC-V
UEFI platforms.
The specification of the protocol is hosted at:
https://github.com/riscv-non-isa/riscv-uefi
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Diffstat (limited to 'include/efi_riscv.h')
| -rw-r--r-- | include/efi_riscv.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/efi_riscv.h b/include/efi_riscv.h new file mode 100644 index 0000000000..4bd39c4366 --- /dev/null +++ b/include/efi_riscv.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * RISCV_EFI_BOOT_PROTOCOL + * + * Copyright (c) 2022 Ventana Micro Systems Inc + */ + +#include <efi_api.h> + +#define RISCV_EFI_BOOT_PROTOCOL_REVISION 0x00010000 + +/** + * struct riscv_efi_boot_protocol - RISCV_EFI_BOOT_PROTOCOL + * @revision: Version of the protocol implemented + * @get_boot_hartid: Get the boot hart ID + */ +struct riscv_efi_boot_protocol { + u64 revision; + + efi_status_t (EFIAPI * get_boot_hartid) (struct riscv_efi_boot_protocol *this, + efi_uintn_t *boot_hartid); +}; + +extern struct riscv_efi_boot_protocol riscv_efi_boot_prot; |