Re: [PATCH v3 14/22] target/i386/sev: Move qmp_query_sev_attestation_report() to sev.c

[Dr. David Alan Gilbert]

* Philippe Mathieu-Daudé (philmd@redhat.com) wrote:
> Move qmp_query_sev_attestation_report() from monitor.c to sev.c
> and make sev_get_attestation_report() static. We don't need the
> stub anymore, remove it.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  target/i386/sev_i386.h        |  2 --
>  target/i386/monitor.c         |  6 ------
>  target/i386/sev-sysemu-stub.c |  7 ++++---
>  target/i386/sev.c             | 12 ++++++++++--
>  4 files changed, 14 insertions(+), 13 deletions(-)
> 
> diff --git a/target/i386/sev_i386.h b/target/i386/sev_i386.h
> index 2d9a1a0112e..5f367f78eb7 100644
> --- a/target/i386/sev_i386.h
> +++ b/target/i386/sev_i386.h
> @@ -27,8 +27,6 @@
>  extern SevInfo *sev_get_info(void);
>  extern char *sev_get_launch_measurement(void);
>  extern SevCapability *sev_get_capabilities(Error **errp);
> -extern SevAttestationReport *
> -sev_get_attestation_report(const char *mnonce, Error **errp);
>  
>  int sev_encrypt_flash(uint8_t *ptr, uint64_t len, Error **errp);
>  int sev_inject_launch_secret(const char *hdr, const char *secret,
> diff --git a/target/i386/monitor.c b/target/i386/monitor.c
> index a9f85acd473..c05d70252a2 100644
> --- a/target/i386/monitor.c
> +++ b/target/i386/monitor.c
> @@ -764,12 +764,6 @@ void qmp_sev_inject_launch_secret(const char *packet_hdr,
>      sev_inject_launch_secret(packet_hdr, secret, gpa, errp);
>  }
>  
> -SevAttestationReport *
> -qmp_query_sev_attestation_report(const char *mnonce, Error **errp)
> -{
> -    return sev_get_attestation_report(mnonce, errp);
> -}
> -
>  SGXInfo *qmp_query_sgx(Error **errp)
>  {
>      return sgx_get_info(errp);
> diff --git a/target/i386/sev-sysemu-stub.c b/target/i386/sev-sysemu-stub.c
> index d556b4f091f..813b9a6a03b 100644
> --- a/target/i386/sev-sysemu-stub.c
> +++ b/target/i386/sev-sysemu-stub.c
> @@ -13,6 +13,7 @@
>  
>  #include "qemu/osdep.h"
>  #include "qapi/qapi-commands-misc-target.h"
> +#include "qapi/qmp/qerror.h"
>  #include "qapi/error.h"
>  #include "sev_i386.h"
>  
> @@ -52,9 +53,9 @@ int sev_es_save_reset_vector(void *flash_ptr, uint64_t 
> flash_size)
>      g_assert_not_reached();
>  }
>  
> -SevAttestationReport *sev_get_attestation_report(const char *mnonce,
> -                                                 Error **errp)
> +SevAttestationReport *qmp_query_sev_attestation_report(const char *mnonce,
> +                                                       Error **errp)
>  {
> -    error_setg(errp, "SEV is not available in this QEMU");
> +    error_setg(errp, QERR_UNSUPPORTED);

I did like that message making it clear the reason it was unsupported
was this build, rather than lack of host support or not enabling it.

Dave

>      return NULL;
>  }
> diff --git a/target/i386/sev.c b/target/i386/sev.c
> index aefbef4bb63..91a217bbb85 100644
> --- a/target/i386/sev.c
> +++ b/target/i386/sev.c
> @@ -31,6 +31,8 @@
>  #include "migration/blocker.h"
>  #include "qom/object.h"
>  #include "monitor/monitor.h"
> +#include "qapi/qapi-commands-misc-target.h"
> +#include "qapi/qmp/qerror.h"
>  #include "exec/confidential-guest-support.h"
>  #include "hw/i386/pc.h"
>  
> @@ -487,8 +489,8 @@ out:
>      return cap;
>  }
>  
> -SevAttestationReport *
> -sev_get_attestation_report(const char *mnonce, Error **errp)
> +static SevAttestationReport *sev_get_attestation_report(const char *mnonce,
> +                                                        Error **errp)
>  {
>      struct kvm_sev_attestation_report input = {};
>      SevAttestationReport *report = NULL;
> @@ -549,6 +551,12 @@ sev_get_attestation_report(const char *mnonce, Error 
> **errp)
>      return report;
>  }
>  
> +SevAttestationReport *qmp_query_sev_attestation_report(const char *mnonce,
> +                                                       Error **errp)
> +{
> +    return sev_get_attestation_report(mnonce, errp);
> +}
> +
>  static int
>  sev_read_file_base64(const char *filename, guchar **data, gsize *len)
>  {
> -- 
> 2.31.1
> 
-- 
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK