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Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 18/20] acpi: Move maximum size logic into acpi_add_rom_blob() Message-ID: <20210322154417.524229-19-mst@redhat.com> References: <20210322154417.524229-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210322154417.524229-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Eduardo Habkost , David Hildenbrand , Richard Henderson , Alistair Francis , Shannon Zhao , qemu-arm@nongnu.org, Paolo Bonzini , Igor Mammedov , Laszlo Ersek Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: David Hildenbrand We want to have safety margins for all tables based on the table type. Let's move the maximum size logic into acpi_add_rom_blob() and make it dependent on the table name, so we don't have to replicate for each and every instance that creates such tables. Suggested-by: Laszlo Ersek Cc: Alistair Francis Cc: Paolo Bonzini Cc: "Michael S. Tsirkin" Cc: Igor Mammedov Cc: Peter Maydell Cc: Shannon Zhao Cc: Marcel Apfelbaum Cc: Paolo Bonzini Cc: Richard Henderson Cc: Laszlo Ersek Signed-off-by: David Hildenbrand Message-Id: <20210304105554.121674-4-david@redhat.com> Reviewed-by: Laszlo Ersek Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/acpi/aml-build.h | 4 ---- include/hw/acpi/utils.h | 3 +-- hw/acpi/utils.c | 12 ++++++++++-- hw/arm/virt-acpi-build.c | 13 ++++++------- hw/i386/acpi-build.c | 8 +++----- hw/i386/acpi-microvm.c | 16 ++++++---------- 6 files changed, 26 insertions(+), 30 deletions(-) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index ca781f3531..471266d739 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -4,10 +4,6 @@ #include "hw/acpi/acpi-defs.h" #include "hw/acpi/bios-linker-loader.h" =20 -/* Reserve RAM space for tables: add another order of magnitude. */ -#define ACPI_BUILD_TABLE_MAX_SIZE 0x200000 -#define ACPI_BUILD_LOADER_MAX_SIZE 0x10000 - #define ACPI_BUILD_APPNAME6 "BOCHS " #define ACPI_BUILD_APPNAME8 "BXPC " =20 diff --git a/include/hw/acpi/utils.h b/include/hw/acpi/utils.h index 140b4de603..0022df027d 100644 --- a/include/hw/acpi/utils.h +++ b/include/hw/acpi/utils.h @@ -4,6 +4,5 @@ #include "hw/nvram/fw_cfg.h" =20 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque, - GArray *blob, const char *name, - uint64_t max_size); + GArray *blob, const char *name); #endif diff --git a/hw/acpi/utils.c b/hw/acpi/utils.c index a134a4d554..f2d69a6d92 100644 --- a/hw/acpi/utils.c +++ b/hw/acpi/utils.c @@ -27,9 +27,17 @@ #include "hw/loader.h" =20 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque, - GArray *blob, const char *name, - uint64_t max_size) + GArray *blob, const char *name) { + uint64_t max_size =3D 0; + + /* Reserve RAM space for tables: add another order of magnitude. */ + if (!strcmp(name, ACPI_BUILD_TABLE_FILE)) { + max_size =3D 0x200000; + } else if (!strcmp(name, ACPI_BUILD_LOADER_FILE)) { + max_size =3D 0x10000; + } + return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -= 1, name, update, opaque, NULL, true); } diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index a91550de6f..f5a2b2d4cb 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -859,14 +859,13 @@ void virt_acpi_setup(VirtMachineState *vms) /* Now expose it all to Guest */ build_state->table_mr =3D acpi_add_rom_blob(virt_acpi_build_update, build_state, tables.table_da= ta, - ACPI_BUILD_TABLE_FILE, - ACPI_BUILD_TABLE_MAX_SIZE); + ACPI_BUILD_TABLE_FILE); assert(build_state->table_mr !=3D NULL); =20 - build_state->linker_mr =3D - acpi_add_rom_blob(virt_acpi_build_update, build_state, - tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE, - ACPI_BUILD_LOADER_MAX_SIZE); + build_state->linker_mr =3D acpi_add_rom_blob(virt_acpi_build_update, + build_state, + tables.linker->cmd_blob, + ACPI_BUILD_LOADER_FILE); =20 fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->d= ata, acpi_data_len(tables.tcpalog)); @@ -880,7 +879,7 @@ void virt_acpi_setup(VirtMachineState *vms) =20 build_state->rsdp_mr =3D acpi_add_rom_blob(virt_acpi_build_update, build_state, tables.rsdp, - ACPI_BUILD_RSDP_FILE, 0); + ACPI_BUILD_RSDP_FILE); =20 qemu_register_reset(virt_acpi_build_reset, build_state); virt_acpi_build_reset(build_state); diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index dc56006353..3aeae15e57 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2628,14 +2628,12 @@ void acpi_setup(void) /* Now expose it all to Guest */ build_state->table_mr =3D acpi_add_rom_blob(acpi_build_update, build_state, tables.table_da= ta, - ACPI_BUILD_TABLE_FILE, - ACPI_BUILD_TABLE_MAX_SIZE); + ACPI_BUILD_TABLE_FILE); assert(build_state->table_mr !=3D NULL); =20 build_state->linker_mr =3D acpi_add_rom_blob(acpi_build_update, build_state, - tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE, - ACPI_BUILD_LOADER_MAX_SIZE); + tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE); =20 fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data, acpi_data_len(tables.tcpalog)); @@ -2674,7 +2672,7 @@ void acpi_setup(void) build_state->rsdp =3D NULL; build_state->rsdp_mr =3D acpi_add_rom_blob(acpi_build_update, build_state, tables.rsdp, - ACPI_BUILD_RSDP_FILE, 0); + ACPI_BUILD_RSDP_FILE); } =20 qemu_register_reset(acpi_build_reset, build_state); diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c index 502aac0ba2..271710eb92 100644 --- a/hw/i386/acpi-microvm.c +++ b/hw/i386/acpi-microvm.c @@ -249,16 +249,12 @@ void acpi_setup_microvm(MicrovmMachineState *mms) acpi_build_microvm(&tables, mms); =20 /* Now expose it all to Guest */ - acpi_add_rom_blob(acpi_build_no_update, NULL, - tables.table_data, - ACPI_BUILD_TABLE_FILE, - ACPI_BUILD_TABLE_MAX_SIZE); - acpi_add_rom_blob(acpi_build_no_update, NULL, - tables.linker->cmd_blob, - ACPI_BUILD_LOADER_FILE, ACPI_BUILD_LOADER_MAX_SIZE); - acpi_add_rom_blob(acpi_build_no_update, NULL, - tables.rsdp, - ACPI_BUILD_RSDP_FILE, 0); + acpi_add_rom_blob(acpi_build_no_update, NULL, tables.table_data, + ACPI_BUILD_TABLE_FILE); + acpi_add_rom_blob(acpi_build_no_update, NULL, tables.linker->cmd_blob, + ACPI_BUILD_LOADER_FILE); + acpi_add_rom_blob(acpi_build_no_update, NULL, tables.rsdp, + ACPI_BUILD_RSDP_FILE); =20 acpi_build_tables_cleanup(&tables, false); } --=20 MST