Re: [RFC PATCH 01/12] linux-headers: import arm_sdei.h

[Michael S. Tsirkin]

On Tue, Sep 24, 2019 at 11:21:40PM +0800, Heyi Guo wrote:
> Import Linux header file include/uapi/linux/arm_sdei.h from kernel
> v5.3 release.
> 
> This is to prepare for qemu SDEI emulation.
> 
> Signed-off-by: Heyi Guo <address@hidden>
> Cc: Peter Maydell <address@hidden>
> Cc: Dave Martin <address@hidden>
> Cc: Marc Zyngier <address@hidden>
> Cc: Mark Rutland <address@hidden>
> Cc: James Morse <address@hidden>
> Cc: "Michael S. Tsirkin" <address@hidden>
> Cc: Cornelia Huck <address@hidden>
> Cc: Paolo Bonzini <address@hidden>

Some issues with this.  First linux-headers is for linux as a host.
This is for linux as a guest, so belongs in include/standard-headers.

Second, please add to scripts/update-linux-headers.sh in a 1st patch,
then add the file in the second patch.



> ---
>  linux-headers/linux/arm_sdei.h | 73 
> ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 linux-headers/linux/arm_sdei.h
> 
> diff --git a/linux-headers/linux/arm_sdei.h b/linux-headers/linux/arm_sdei.h
> new file mode 100644
> index 0000000..af0630b
> --- /dev/null
> +++ b/linux-headers/linux/arm_sdei.h
> @@ -0,0 +1,73 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +/* Copyright (C) 2017 Arm Ltd. */
> +#ifndef _UAPI_LINUX_ARM_SDEI_H
> +#define _UAPI_LINUX_ARM_SDEI_H
> +
> +#define SDEI_1_0_FN_BASE                     0xC4000020
> +#define SDEI_1_0_MASK                                0xFFFFFFE0
> +#define SDEI_1_0_FN(n)                               (SDEI_1_0_FN_BASE + (n))
> +
> +#define SDEI_1_0_FN_SDEI_VERSION                     SDEI_1_0_FN(0x00)
> +#define SDEI_1_0_FN_SDEI_EVENT_REGISTER                      
> SDEI_1_0_FN(0x01)
> +#define SDEI_1_0_FN_SDEI_EVENT_ENABLE                        
> SDEI_1_0_FN(0x02)
> +#define SDEI_1_0_FN_SDEI_EVENT_DISABLE                       
> SDEI_1_0_FN(0x03)
> +#define SDEI_1_0_FN_SDEI_EVENT_CONTEXT                       
> SDEI_1_0_FN(0x04)
> +#define SDEI_1_0_FN_SDEI_EVENT_COMPLETE                      
> SDEI_1_0_FN(0x05)
> +#define SDEI_1_0_FN_SDEI_EVENT_COMPLETE_AND_RESUME   SDEI_1_0_FN(0x06)
> +#define SDEI_1_0_FN_SDEI_EVENT_UNREGISTER            SDEI_1_0_FN(0x07)
> +#define SDEI_1_0_FN_SDEI_EVENT_STATUS                        
> SDEI_1_0_FN(0x08)
> +#define SDEI_1_0_FN_SDEI_EVENT_GET_INFO                      
> SDEI_1_0_FN(0x09)
> +#define SDEI_1_0_FN_SDEI_EVENT_ROUTING_SET           SDEI_1_0_FN(0x0A)
> +#define SDEI_1_0_FN_SDEI_PE_MASK                     SDEI_1_0_FN(0x0B)
> +#define SDEI_1_0_FN_SDEI_PE_UNMASK                   SDEI_1_0_FN(0x0C)
> +#define SDEI_1_0_FN_SDEI_INTERRUPT_BIND                      
> SDEI_1_0_FN(0x0D)
> +#define SDEI_1_0_FN_SDEI_INTERRUPT_RELEASE           SDEI_1_0_FN(0x0E)
> +#define SDEI_1_0_FN_SDEI_PRIVATE_RESET                       
> SDEI_1_0_FN(0x11)
> +#define SDEI_1_0_FN_SDEI_SHARED_RESET                        
> SDEI_1_0_FN(0x12)
> +
> +#define SDEI_VERSION_MAJOR_SHIFT                     48
> +#define SDEI_VERSION_MAJOR_MASK                              0x7fff
> +#define SDEI_VERSION_MINOR_SHIFT                     32
> +#define SDEI_VERSION_MINOR_MASK                              0xffff
> +#define SDEI_VERSION_VENDOR_SHIFT                    0
> +#define SDEI_VERSION_VENDOR_MASK                     0xffffffff
> +
> +#define SDEI_VERSION_MAJOR(x)        (x>>SDEI_VERSION_MAJOR_SHIFT & 
> SDEI_VERSION_MAJOR_MASK)
> +#define SDEI_VERSION_MINOR(x)        (x>>SDEI_VERSION_MINOR_SHIFT & 
> SDEI_VERSION_MINOR_MASK)
> +#define SDEI_VERSION_VENDOR(x)       (x>>SDEI_VERSION_VENDOR_SHIFT & 
> SDEI_VERSION_VENDOR_MASK)
> +
> +/* SDEI return values */
> +#define SDEI_SUCCESS         0
> +#define SDEI_NOT_SUPPORTED   -1
> +#define SDEI_INVALID_PARAMETERS      -2
> +#define SDEI_DENIED          -3
> +#define SDEI_PENDING         -5
> +#define SDEI_OUT_OF_RESOURCE -10
> +
> +/* EVENT_REGISTER flags */
> +#define SDEI_EVENT_REGISTER_RM_ANY   0
> +#define SDEI_EVENT_REGISTER_RM_PE    1
> +
> +/* EVENT_STATUS return value bits */
> +#define SDEI_EVENT_STATUS_RUNNING    2
> +#define SDEI_EVENT_STATUS_ENABLED    1
> +#define SDEI_EVENT_STATUS_REGISTERED 0
> +
> +/* EVENT_COMPLETE status values */
> +#define SDEI_EV_HANDLED      0
> +#define SDEI_EV_FAILED       1
> +
> +/* GET_INFO values */
> +#define SDEI_EVENT_INFO_EV_TYPE                      0
> +#define SDEI_EVENT_INFO_EV_SIGNALED          1
> +#define SDEI_EVENT_INFO_EV_PRIORITY          2
> +#define SDEI_EVENT_INFO_EV_ROUTING_MODE              3
> +#define SDEI_EVENT_INFO_EV_ROUTING_AFF               4
> +
> +/* and their results */
> +#define SDEI_EVENT_TYPE_PRIVATE                      0
> +#define SDEI_EVENT_TYPE_SHARED                       1
> +#define SDEI_EVENT_PRIORITY_NORMAL           0
> +#define SDEI_EVENT_PRIORITY_CRITICAL         1
> +
> +#endif /* _UAPI_LINUX_ARM_SDEI_H */
> -- 
> 1.8.3.1