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Re: [PATCH 01/16] hw/uefi: add include/hw/uefi/var-service-api.h
From: |
Laszlo Ersek |
Subject: |
Re: [PATCH 01/16] hw/uefi: add include/hw/uefi/var-service-api.h |
Date: |
Thu, 16 Nov 2023 13:46:31 +0100 |
On 11/15/23 16:12, Gerd Hoffmann wrote:
> This file defines the register interface of the uefi-vars device.
> It's only a handful of registers: magic value, command and status
> registers, location and size of the communication buffer.
>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
> include/hw/uefi/var-service-api.h | 40 +++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 include/hw/uefi/var-service-api.h
>
> diff --git a/include/hw/uefi/var-service-api.h
> b/include/hw/uefi/var-service-api.h
> new file mode 100644
> index 000000000000..37fdab32741f
> --- /dev/null
> +++ b/include/hw/uefi/var-service-api.h
> @@ -0,0 +1,40 @@
> +/*
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + *
> + * uefi-vars device - API of the virtual device for guest/host communication.
> + */
> +#ifndef QEMU_UEFI_VAR_SERVICE_API_H
> +#define QEMU_UEFI_VAR_SERVICE_API_H
> +
> +
> +/* isa: io range */
> +#define UEFI_VARS_IO_BASE 0x520
> +
> +/* sysbus: fdt node path */
> +#define UEFI_VARS_FDT_NODE "qemu-uefi-vars"
> +#define UEFI_VARS_FDT_COMPAT "qemu,uefi-vars"
> +
> +/* registers */
> +#define UEFI_VARS_REG_MAGIC 0x00 /* 16 bit */
> +#define UEFI_VARS_REG_CMD_STS 0x02 /* 16 bit */
> +#define UEFI_VARS_REG_BUFFER_SIZE 0x04 /* 32 bit */
> +#define UEFI_VARS_REG_BUFFER_ADDR_LO 0x08 /* 32 bit */
> +#define UEFI_VARS_REG_BUFFER_ADDR_HI 0x0c /* 32 bit */
> +#define UEFI_VARS_REGS_SIZE 0x10
> +
> +/* magic value */
> +#define UEFI_VARS_MAGIC_VALUE 0xef1
> +
> +/* command values */
> +#define UEFI_VARS_CMD_RESET 0x01
> +#define UEFI_VARS_CMD_MM 0x02
> +
> +/* status values */
> +#define UEFI_VARS_STS_SUCCESS 0x00
> +#define UEFI_VARS_STS_BUSY 0x01
> +#define UEFI_VARS_STS_ERR_UNKNOWN 0x10
> +#define UEFI_VARS_STS_ERR_NOT_SUPPORTED 0x11
> +#define UEFI_VARS_STS_ERR_BAD_BUFFER_SIZE 0x12
> +
> +
> +#endif /* QEMU_UEFI_VAR_SERVICE_API_H */
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
- [PATCH 00/16] hw/uefi: add uefi variable service, Gerd Hoffmann, 2023/11/15
- [PATCH 07/16] hw/uefi: add var-service-auth.c, Gerd Hoffmann, 2023/11/15
- [PATCH 11/16] hw/uefi: add to Kconfig, Gerd Hoffmann, 2023/11/15
- [PATCH 12/16] hw/uefi: add to meson, Gerd Hoffmann, 2023/11/15
- [PATCH 05/16] hw/uefi: add var-service-core.c, Gerd Hoffmann, 2023/11/15
- [PATCH 04/16] hw/uefi: add var-service-guid.c, Gerd Hoffmann, 2023/11/15
- [PATCH 01/16] hw/uefi: add include/hw/uefi/var-service-api.h, Gerd Hoffmann, 2023/11/15
- Re: [PATCH 01/16] hw/uefi: add include/hw/uefi/var-service-api.h,
Laszlo Ersek <=
- [PATCH 15/16] hw/arm: add uefi variable support to virt machine type, Gerd Hoffmann, 2023/11/15
- [PATCH 14/16] hw/uefi: add uefi-vars-isa device, Gerd Hoffmann, 2023/11/15
- [PATCH 08/16] hw/uefi: add var-service-policy.c, Gerd Hoffmann, 2023/11/15
- [PATCH 13/16] hw/uefi: add uefi-vars-sysbus device, Gerd Hoffmann, 2023/11/15
- [PATCH 03/16] hw/uefi: add include/hw/uefi/var-service.h, Gerd Hoffmann, 2023/11/15
- [PATCH 06/16] hw/uefi: add var-service-vars.c, Gerd Hoffmann, 2023/11/15
- [PATCH 02/16] hw/uefi: add include/hw/uefi/var-service-edk2.h, Gerd Hoffmann, 2023/11/15