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Tsirkin" , Gerd Hoffman , Stefano Garzarella , Ani Sinha Subject: [PULL 27/77] docs/interop/firmware.json: Add igvm to FirmwareDevice Date: Mon, 14 Jul 2025 13:03:16 +0200 Message-ID: <20250714110406.117772-28-pbonzini@redhat.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250714110406.117772-1-pbonzini@redhat.com> References: <20250714110406.117772-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Roy Hopkins Create an enum entry within FirmwareDevice for 'igvm' to describe that an IGVM file can be used to map firmware into memory as an alternative to pre-existing firmware devices. Signed-off-by: Roy Hopkins Acked-by: Michael S. Tsirkin Acked-by: Gerd Hoffman Reviewed-by: Stefano Garzarella Reviewed-by: Ani Sinha Link: https://lore.kernel.org/r/2eca2611d372facbffa65ee8244cf2d321eb9d17.1751554099.git.roy.hopkins@randomman.co.uk Signed-off-by: Paolo Bonzini --- docs/interop/firmware.json | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json index 745d21d8223..0711b6f323d 100644 --- a/docs/interop/firmware.json +++ b/docs/interop/firmware.json @@ -57,10 +57,17 @@ # # @memory: The firmware is to be mapped into memory. # +# @igvm: The firmware is defined by a file conforming to the IGVM +# specification and mapped into memory according to directives +# defined in the file. This is similar to @memory but may +# include additional processing defined by the IGVM file +# including initial CPU state or population of metadata into +# the guest address space. Since: 10.1 +# # Since: 3.0 ## { 'enum' : 'FirmwareDevice', - 'data' : [ 'flash', 'kernel', 'memory' ] } + 'data' : [ 'flash', 'kernel', 'memory', 'igvm' ] } ## # @FirmwareArchitecture: @@ -377,6 +384,24 @@ { 'struct' : 'FirmwareMappingMemory', 'data' : { 'filename' : 'str' } } +## +# @FirmwareMappingIgvm: +# +# Describes loading and mapping properties for the firmware executable, +# when @FirmwareDevice is @igvm. +# +# @filename: Identifies the IGVM file containing the firmware executable +# along with other information used to configure the initial +# state of the guest. The IGVM file may be shared by multiple +# virtual machine definitions. This corresponds to creating +# an object on the command line with "-object igvm-cfg, +# file=@filename". +# +# Since: 10.1 +## +{ 'struct' : 'FirmwareMappingIgvm', + 'data' : { 'filename' : 'str' } } + ## # @FirmwareMapping: # @@ -393,7 +418,8 @@ 'discriminator' : 'device', 'data' : { 'flash' : 'FirmwareMappingFlash', 'kernel' : 'FirmwareMappingKernel', - 'memory' : 'FirmwareMappingMemory' } } + 'memory' : 'FirmwareMappingMemory', + 'igvm' : 'FirmwareMappingIgvm' } } ## # @Firmware: -- 2.50.0