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Re: [PATCH] UefiCpuPkg: ResetVector Tool Support for Python 3
Michael D Kinney
According to the logs, the .raw file binaries were committed 10 years ago.
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This commit in 2014 make a change to how the build defines are processed. It also switches from using ASM to NASM for the assembler. https://github.com/tianocore/edk2/commit/5a1f324d946cb1be2dc1226752b1965d6633232f# I think one interesting test to make sure the binaries produced before and after your change produce the same binaries. That would at least confirm that the Python script changes are not introducing any changes and allow this update to move forward without the binary files. A detailed review and testing of the binary differences needs to be done before committing any new .raw file. Mike
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Re: [PATCH] UefiCpuPkg: ResetVector Tool Support for Python 3
Hi., Michael
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Even If we generate the binaries using the Python2 also, it's getting changed. Can you confirm from your end by generating the binaries using the build.py in Python2 Regards, Ashraf Ali S Intel Technology India Pvt. Ltd.
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From: Kinney, Michael D <michael.d.kinney@...> Sent: Thursday, July 22, 2021 10:15 PM To: devel@edk2.groups.io; S, Ashraf Ali <ashraf.ali.s@...> Cc: Ni, Ray <ray.ni@...>; Kumar, Rahul1 <rahul1.kumar@...>; De, Debkumar <debkumar.de@...>; Han, Harry <harry.han@...>; West, Catharine <catharine.west@...>; V, Sangeetha <sangeetha.v@...> Subject: RE: [edk2-devel] [PATCH] UefiCpuPkg: ResetVector Tool Support for Python 3 Hi Ashraf, Why would an update to the Python script to Python3 cause any changes to the binary images the script produces. If they are different, then that would seem to imply that the change was not compatible from a behavior perspective. Mike -----Original Message-----
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Re: [edk2-rfc] RFC: EXT4 filesystem driver
Michael D Kinney
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-----Original Message-----I agree BaseLib is as good location for these 2 APIs. This was discussed with the RedfishPkg maintainers and was deferred until there was another use case. Looks like EXT4 is a 2nd use case, so it is a good time to move to this lib class and lib instance from RedfishPkg to MdePkg.
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Re: [PATCH V2 4/4] OvmfPkg/ResetVector: Update ResetVector to support Tdx
Lendacky, Thomas
On 7/22/21 12:52 AM, Min Xu wrote:
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429Is the memory area guaranteed to be zeroed for legacy guests? Hopefully, this won't trip up a non-TDX guest with a false match (highly unlikely, though). mov eax, cr4If you clear ebx here... +... you can remove these instructions. You'll jump to InsnCompare and that check should succeed, right? Thanks, Tom ;
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Re: [PATCH] UefiCpuPkg VTF0 X64: Build page tables using 1-GByte Page Granularity
Hi. Ray
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Based on Dov Murik <dovmurik@...> Comments to take the python script changes separately, I have filed the Bugzilla for that separately. https://bugzilla.tianocore.org/show_bug.cgi?id=3506 verified the binary. More details are in Bugzilla. Regards, Ashraf Ali S Intel Technology India Pvt. Ltd.
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From: Ni, Ray <ray.ni@...> Sent: Wednesday, July 21, 2021 3:00 PM To: Dov Murik <dovmurik@...>; Ard Biesheuvel <ardb@...>; Brijesh Singh <brijesh.singh@...>; James Bottomley <jejb@...>; Erdem Aktas <erdemaktas@...>; Tom Lendacky <thomas.lendacky@...>; Xu, Min M <min.m.xu@...> Cc: S, Ashraf Ali <ashraf.ali.s@...>; devel@edk2.groups.io; Ard Biesheuvel <ardb+tianocore@...>; Justen, Jordan L <jordan.l.justen@...>; Agyeman, Prince <prince.agyeman@...>; Kumar, Rahul1 <rahul1.kumar@...>; De, Debkumar <debkumar.de@...>; Han, Harry <harry.han@...>; West, Catharine <catharine.west@...>; V, Sangeetha <sangeetha.v@...> Subject: RE: [PATCH] UefiCpuPkg VTF0 X64: Build page tables using 1-GByte Page Granularity OVMF's ResetVector is including the UefiCpuPkg's ResetVector. So, OVMF owners please do evaluate the impact. I think this change assumes platform owner knows which format of page table should be chosen in build time. -----Original Message----- From: Dov Murik <dovmurik@...> Sent: Tuesday, July 20, 2021 4:02 AM To: Ard Biesheuvel <ardb@...>; Ni, Ray <ray.ni@...>; Brijesh Singh <brijesh.singh@...>; James Bottomley <jejb@...>; Erdem Aktas <erdemaktas@...>; Tom Lendacky <thomas.lendacky@...> Cc: S, Ashraf Ali <ashraf.ali.s@...>; devel@edk2.groups.io; Ard Biesheuvel <ardb+tianocore@...>; Justen, Jordan L <jordan.l.justen@...>; Agyeman, Prince <prince.agyeman@...>; Kumar, Rahul1 <rahul1.kumar@...>; De, Debkumar <debkumar.de@...>; Han, Harry <harry.han@...>; West, Catharine <catharine.west@...>; V, Sangeetha <sangeetha.v@...> Subject: Re: [PATCH] UefiCpuPkg VTF0 X64: Build page tables using 1-GByte Page Granularity On 19/07/2021 10:09, Ard Biesheuvel wrote: On Mon, 19 Jul 2021 at 05:14, Ni, Ray <ray.ni@...> wrote:Adding Tom too - I think he modified the OVMF reset vector lately and might know.I don't have a clue, sorry, and I wouldn't know where to begin looking.
I'm not an expert, but I think that OVMF has its own reset vector in OvmfPkg/ResetVector, and therefore the changes in uefiCpuPkg will not affect OVMF. Regarding the patch itself: (1) I suggest separating the python tooling changes to one patch, verifying that the new python scripts generate the same binary files as the original python scripts. Then add another patch which introduces the reset vector changes. (2) Do all x64 CPUs support 1 GB pages? Is it always enabled? Do we need to check this capability somewhere? -Dov To Prince,
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Re: RFC: EXT4 filesystem driver
Pedro Falcato
Hi Andrew, Marvin,
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RE: The package name: It doesn't sound like a bad idea to have something like a FileSystemPkg and have a bunch of different filesystems inside of it, but I'll defer to you and my mentors' judgement; we could also drop that issue for now and take care of it afterwards, since it may need further changes that are not a part of GSoC and would just delay the process. With respect to the write capabilities of the driver, I'm not entirely sure whether or not it's useful. I've been thinking about it today, and it seems like there's not much that could go wrong? The write path isn't excessively complex. Except of course in the event of an untimely power cut, but those /should/ be easily detected by the checksums. My initial idea was to have it up to speed with FatPkg and other filesystems by implementing all of EFI_FILE_PROTOCOL, including the write portions. If Apple's HFS+ and APFS drivers don't have those, it may be a decent idea to reduce the scope of the ext4 driver as well. I don't see a big need for write support; on the other hand, I've only worked on UEFI bootloaders before, which may be an outlier in that regard. Further feedback is appreciated. As for the tests, UEFI SCTs already seem to have some tests on EFI_FILE_PROTOCOL's. Further testing may require some sort of fuzzing, which is what I want to, although in a simplified way. With fuzzing we could hammer the filesystem code with all sorts of different calls in different orders, we could also mutate the disk structures to test if the driver is secure and can handle corruption in a nice, safe way. A future (GSoC or not) project could also attempt to use compiler-generated coverage instrumentation (see LLVM's LibFuzzer and SanitizerCoverage for an example). I'm not sure about all OSes, but at least Linux ext2/3/4 drivers are very robust and can handle and work around any corrupted FS I (accidentally) throw at them. However, running fsck is the best way to detect corruption; note that licensing may be an issue as, for example, ext4's fsck is GPL2 licensed. Best Regards, Pedro
On Thu, 22 Jul 2021 at 16:58, Andrew Fish <afish@...> wrote:
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Pedro Falcato
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Re: [PATCH] UefiCpuPkg: ResetVector Tool Support for Python 3
Michael D Kinney
Hi Ashraf,
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Why would an update to the Python script to Python3 cause any changes to the binary images the script produces. If they are different, then that would seem to imply that the change was not compatible from a behavior perspective. Mike
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[PATCH] UefiCpuPkg: ResetVector Tool Support for Python 3
[edk2-devel] [PATCH]
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3506 Build Scrips for Reset Vector currently based on Python 2 which is already EOL, needs to modify the build script based on Python 3, update the Binary accordingly. Change-Id: I2cfef08177951f2f29ee168ac4a9de9b10769ea1 Cc: Ray Ni <ray.ni@...> Cc: Rahul Kumar <rahul1.kumar@...> Cc: Debkumar De <debkumar.de@...> Cc: Harry Han <harry.han@...> Cc: Catharine West <catharine.west@...> Cc: Sangeetha V <sangeetha.v@...> Signed-off-by: Ashraf Ali S <ashraf.ali.s@...> --- .../Vtf0/Bin/ResetVector.ia32.port80.raw | Bin 516 -> 484 bytes .../ResetVector/Vtf0/Bin/ResetVector.ia32.raw | Bin 484 -> 468 bytes .../Vtf0/Bin/ResetVector.ia32.serial.raw | Bin 884 -> 868 bytes .../Vtf0/Bin/ResetVector.x64.port80.raw | Bin 28676 -> 28676 bytes .../ResetVector/Vtf0/Bin/ResetVector.x64.raw | Bin 28676 -> 28676 bytes .../Vtf0/Bin/ResetVector.x64.serial.raw | Bin 28676 -> 28676 bytes UefiCpuPkg/ResetVector/Vtf0/Build.py | 11 +++++++---- .../Vtf0/Tools/FixupForRawSection.py | 4 ++-- 8 files changed, 9 insertions(+), 6 deletions(-) diff --git a/UefiCpuPkg/ResetVector/Vtf0/Bin/ResetVector.ia32.port80.raw b/UefiCpuPkg/ResetVector/Vtf0/Bin/ResetVector.ia32.port80.raw index 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z-Zx!yl|1K~Y5VAFw*NPu>jxZ8+LiY1s~6g>m;cwT=R9KT36I!%{N<l{UHrsdZ+qPr zUiqjqr>}eRnR`C$a6KFj?aVu#beNVK<DPuX;Vf^NM}9E3U2{y&zGnLu9^;vN9v64r ze^=i%cRg^|TTWhbn5#=qjXJ!?&o3@lC-CZc=zrnA?0X*e>weB}jn}{MWe<MP>p$^j z58iO*;u}u#y@!kU<R`D3Jo?JXOW%9t%E>M7JAA3bjNX3F;bkBC7rNV@_NLpP_Qu<v j_J-Rp&Xu=6c;CbCb@e@7{+Tb1OP3z}mY;w3OP78Y>oK+# diff --git a/UefiCpuPkg/ResetVector/Vtf0/Build.py b/UefiCpuPkg/ResetVector/Vtf0/Build.py index 343c53b5ff..29f29ff0c2 100644 --- a/UefiCpuPkg/ResetVector/Vtf0/Build.py +++ b/UefiCpuPkg/ResetVector/Vtf0/Build.py @@ -1,7 +1,7 @@ ## @file # Automate the process of building the various reset vector types # -# Copyright (c) 2009, Intel Corporation. All rights reserved.<BR> +# Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR> # # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -32,16 +32,19 @@ for arch in ('ia32', 'x64'): '-o', output, 'Vtf0.nasmb', ) + print(f"Command : {' '.join(commandLine)}") ret = RunCommand(commandLine) - print '\tASM\t' + output - if ret != 0: sys.exit(ret) + if ret != 0: + print(f"something went wrong while executing the {commandLine[-1]}") + sys.exit() + print('\tASM\t' + output) commandLine = ( 'python', 'Tools/FixupForRawSection.py', output, ) - print '\tFIXUP\t' + output + print('\tFIXUP\t' + output) ret = RunCommand(commandLine) if ret != 0: sys.exit(ret) diff --git a/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py b/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py index c77438a0ce..de771eba22 100644 --- a/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py +++ b/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py @@ -1,7 +1,7 @@ ## @file # Apply fixup to VTF binary image for FFS Raw section # -# Copyright (c) 2008, Intel Corporation. All rights reserved.<BR> +# Copyright (c) 2008 - 2021, Intel Corporation. All rights reserved.<BR> # # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -15,6 +15,6 @@ c = ((len(d) + 4 + 7) & ~7) - 4 if c > len(d): c -= len(d) f = open(sys.argv[1], 'wb') - f.write('\x90' * c) + f.write(b'\x90' * c) f.write(d) f.close() -- 2.30.2.windows.1
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Re: RFC: EXT4 filesystem driver
Marvin Häuser <mhaeuser@...>
On 22.07.21 17:58, Andrew Fish wrote:
Great idea, maybe it could be added to that wiki list of topic suggestions (preferably close to the top)? :)On Jul 22, 2021, at 3:24 AM, Marvin Häuser <mhaeuser@... <mailto:mhaeuser@...>> wrote:Marvin, Best regards, Marvin
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Re: RFC: EXT4 filesystem driver
Marvin, Good point that the FatPkg was more about license boundary than anything else, so I’m not opposed to a more generic package name.
I think having a default PCD option of read only is a good idea. EFI on Mac carries HFS+ and APFS EFI file system drivers and both of those are read only for safety, security, and to avoid the need to validate them. So I think some products may want to have the option to ship read only versions of the file system. Seems like having EFI base file system tests would be useful. I’d imaging with OVMF it would be possible to implement a very robust test infrastructure. Seems like the hard bits would be generating the test cases and figuring out how to validate the tests did the correct thing. I’m guess the OS based file system drivers are robust and try to work around bugs gracefully? Maybe there is a way to turn on OS logging, or even run an OS based fsck on the volume after the tests complete. Regardless this seems like an interesting project, maybe we can add it to next years GSoC? Thanks, Andrew Fish
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Re: ArmVirt and Self-Updating Code
Ard Biesheuvel
On Thu, 22 Jul 2021 at 16:54, Bret Barkelew <Bret.Barkelew@...> wrote:
"Mapping" implies that the MMU is on, but this code boots with the MMU off. Unlike x86, ARM does not define any physical address ranges that are guaranteed to be backed by DRAM, so a portable image either needs to be fully position independent, or carry the metadata it needs to relocate itself as it is invoked. No. The binary it applies the Relocations to is documented to be the Standalone MM core, but in fact SecCore is located:It is not spawned by the normal world code that runs UEFI. It is a secure world component that runs in a completely different execution context (TrustZone). The code does run with the MMU enabled from the start, but running from an a priori fixed offset was considered to be a security hazard, so we added self relocation support. The alternative would have been to add metadata to the StMmCore component that can be interpreted by the secure world component that loads it, but this would go beyond any existing specs, and make portability more problematic. 2) Why does Standalone MM (self-)relocation locate SecCore? Should it not already have been relocated with the code from ArmPlatformPkg? Is Standalone MM embedded into ARM SecCore?No and no. Standalone MM has nothing to do with the code that runs as part of UEFI itself. ArmPlatformPkg is completely separate from StandaloneMmPkg. 3) Why is SecCore the only module relocated? Are all others guaranteed to be "properly" loaded?SecCore contains a PE/COFF loader, so all subsequent modules are loaded normally. This is similar to the ArmVirtQemuKernel self-relocating SEC module, which only relocates itself in this manner, and relies on standard PE/COFF metadata for loading other modules. 4) Is there maybe some high-level documented about the ARM boot flow? It seems to be significantly different from the x86 routes quite vastly.”trustedfirmware.org may have some useful documentation.
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Re: [staging/edk2-redfish-client Tools PATCH 6/6] RedfishClientPkg/Redfish-Profile-Simulator: Add requirements
Nickle Wang
Reviewed-by:
Nickle Wang <nickle.wang@...>
Thanks,
Nickle
From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@...>
Sent: Thursday, July 22, 2021 14:08 To: devel@edk2.groups.io <devel@edk2.groups.io> Cc: Wang, Nickle (HPS SW) <nickle.wang@...>; Liming Gao <gaoliming@...> Subject: [staging/edk2-redfish-client Tools PATCH 6/6] RedfishClientPkg/Redfish-Profile-Simulator: Add requirements add requirements.txt for the required python module
Signed-off-by: Abner Chang <abner.chang@...> Cc: Nickle Wang <nickle.wang@...> Cc: Liming Gao <gaoliming@...> --- .../Tools/Redfish-Profile-Simulator/requirements.txt | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 RedfishClientPkg/Tools/Redfish-Profile-Simulator/requirements.txt diff --git a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/requirements.txt b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/requirements.txt new file mode 100644 index 0000000000..88807d87c2 --- /dev/null +++ b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/requirements.txt @@ -0,0 +1,2 @@ +flask==1.1.1 +pyOpenSSL -- 2.17.1
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Re: [staging/edk2-redfish-client Tools PATCH 5/6] RedfishClientPkg/Redfish-Profile-Simulator: Add ETAG on memory resource
Nickle Wang
Reviewed-by:
Nickle Wang <nickle.wang@...>
Thanks,
Nickle
From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@...>
Sent: Thursday, July 22, 2021 14:08 To: devel@edk2.groups.io <devel@edk2.groups.io> Cc: Wang, Nickle (HPS SW) <nickle.wang@...>; Liming Gao <gaoliming@...> Subject: [staging/edk2-redfish-client Tools PATCH 5/6] RedfishClientPkg/Redfish-Profile-Simulator: Add ETAG on memory resource Add ETAG support on Memory resource.
Signed-off-by: Abner Chang <abner.chang@...> Cc: Nickle Wang <nickle.wang@...> Cc: Liming Gao <gaoliming@...> --- .../Redfish-Profile-Simulator/v1sim/systems.py | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py index 690101fb10..de4b839aeb 100644 --- a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py +++ b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py @@ -18,6 +18,7 @@ from .resource import RfResource, RfCollection from .storage import RfSimpleStorageCollection, RfSmartStorage import flask import json +import hashlib from collections import OrderedDict class RfSystemsCollection(RfCollection): @@ -142,13 +143,25 @@ class RfMemoryCollection(RfCollection): self.res_data["Members"].append({"@odata.id":newMemoryUrl}) post_data["@odata.id"] = newMemoryUrl + + md5 = hashlib.md5() + md5.update(json.dumps(post_data).encode("utf-8")) + etag_str = 'W/"' + md5.hexdigest() + '"' + post_data["@odata.etag"] = etag_str self.elements[str(newMemoryIdx)] = post_data resp = flask.Response(json.dumps(post_data,indent=4)) resp.headers["Location"] = newMemoryUrl + resp.headers["ETag"] = etag_str + return 0, 200, None, resp def patch_memory(self, Idx, patch_data): + md5 = hashlib.md5() + md5.update(json.dumps(patch_data).encode("utf-8")) + etag_str = 'W/"' + md5.hexdigest() + '"' + patch_data["@odata.etag"] = etag_str + self.elements[str(Idx)] = {**self.elements[str(Idx)], **patch_data} resp = flask.Response(json.dumps(self.elements[str(Idx)],indent=4)) return 0, 200, None, resp -- 2.17.1
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Re: [staging/edk2-redfish-client Tools PATCH 4/6] RedfishClientPkg/Redfish-Profile-Simulator: HTTP methods on Memory Collection
Nickle Wang
Reviewed-by:
Nickle Wang <nickle.wang@...>
Thanks,
Nickle
From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@...>
Sent: Thursday, July 22, 2021 14:08 To: devel@edk2.groups.io <devel@edk2.groups.io> Cc: Wang, Nickle (HPS SW) <nickle.wang@...>; Liming Gao <gaoliming@...> Subject: [staging/edk2-redfish-client Tools PATCH 4/6] RedfishClientPkg/Redfish-Profile-Simulator: HTTP methods on Memory Collection Add POST and PATCH methods on Memory collection and resource.
Signed-off-by: Abner Chang <abner.chang@...> Cc: Nickle Wang <nickle.wang@...> Cc: Liming Gao <gaoliming@...> --- .../v1sim/redfishURIs.py | 25 +++++++++++ .../v1sim/systems.py | 43 +++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/redfishURIs.py b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/redfishURIs.py index 3c912f7ce1..35d3794cc6 100644 --- a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/redfishURIs.py +++ b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/redfishURIs.py @@ -1,6 +1,7 @@ # # Copyright Notice: # Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> +# (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR> # SPDX-License-Identifier: BSD-2-Clause-Patent # # Copyright Notice: @@ -308,6 +309,30 @@ def rfApi_SimpleServer(root, versions, host="127.0.0.1", port=5000, cert="", key else: return err_string, status_code + @app.route("/redfish/v1/Systems/<string:system_id>/Memory", methods=['POST']) + @auth.rfAuthRequired + def rf_computer_memory_post(system_id): + print ("in POST memory collection") + rdata = json.loads(request.data,object_pairs_hook=OrderedDict) + print("rdata:{}".format(rdata)) + rc, status_code, err_string, resp = root.components['Systems'].get_element(system_id).components['Memory'].post_resource(rdata) + if rc == 0: + return resp, status_code + else: + return err_string, status_code + + @app.route("/redfish/v1/Systems/<string:system_id>/Memory/<string:MemoryIdx>", methods=['PATCH']) + @auth.rfAuthRequired + def rf_computer_memory_patch(system_id, MemoryIdx): + print ("in PATCH memory[%s] resource" % MemoryIdx) + rdata = json.loads(request.data,object_pairs_hook=OrderedDict) + print("rdata:{}".format(rdata)) + rc, status_code, err_string, resp = root.components['Systems'].get_element(system_id).components['Memory'].patch_memory(MemoryIdx, rdata) + if rc == 0: + return resp, status_code + else: + return err_string, status_code + def resolve_path(service, path): parts = path.split('/') result = service diff --git a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py index b8b3788054..690101fb10 100644 --- a/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py +++ b/RedfishClientPkg/Tools/Redfish-Profile-Simulator/v1sim/systems.py @@ -2,6 +2,7 @@ # Copyright Notice: # # Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> +# (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR> # SPDX-License-Identifier: BSD-2-Clause-Patent # # Copyright Notice: @@ -123,9 +124,50 @@ class RfSystemObj(RfResource): # subclass Logs Collection class RfMemoryCollection(RfCollection): + def final_init_processing(self, base_path, rel_path): + self.maxIdx = self.res_data["Members@..."] + def element_type(self): return RfMemory + def post_resource(self, post_data): + print("Members@...:{}".format(self.res_data["Members@..."])) + print("Members:{}".format(self.res_data["Members"])) + print("post_data:{}".format(post_data)) + + self.res_data["Members@..."] = self.res_data["Members@..."] + 1 + self.maxIdx = self.maxIdx + 1 + newMemoryIdx = self.maxIdx + newMemoryUrl = self.res_data["@odata.id"] + "/" + str(newMemoryIdx) + self.res_data["Members"].append({"@odata.id":newMemoryUrl}) + + post_data["@odata.id"] = newMemoryUrl + self.elements[str(newMemoryIdx)] = post_data + + resp = flask.Response(json.dumps(post_data,indent=4)) + resp.headers["Location"] = newMemoryUrl + return 0, 200, None, resp + + def patch_memory(self, Idx, patch_data): + self.elements[str(Idx)] = {**self.elements[str(Idx)], **patch_data} + resp = flask.Response(json.dumps(self.elements[str(Idx)],indent=4)) + return 0, 200, None, resp + + def get_memory(self, Idx): + return json.dumps(self.elements[Idx],indent=4) + + def delete_memory(self, Idx): + print("in delete_memory") + + resp = flask.Response(json.dumps(self.elements[Idx],indent=4)) + + self.elements.pop(Idx) + self.res_data["Members@..."] = self.res_data["Members@..."] - 1 + + newMemoryUrl = self.res_data["@odata.id"] + "/" + str(Idx) + self.res_data["Members"].remove({"@odata.id":newMemoryUrl}) + return 0, 200, None, resp + class RfMemory(RfResource): pass @@ -267,3 +309,4 @@ class RfBootOptionCollection(RfCollection): return 0, 200, None, resp class RfBootOption(RfResource): + pass -- 2.17.1
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Re: ArmVirt and Self-Updating Code
Bret Barkelew <bret.barkelew@...>
Expanding audience to the full dev list… See below…
- Bret
From: Thomas Abraham
Sent: Wednesday, July 7, 2021 11:07 PM To: Bret Barkelew; Ard Biesheuvel (TianoCore); Lindholm, Leif; Laszlo Ersek; Marvin Häuser; Sami Mujawar Cc: nd Subject: [EXTERNAL] RE: ArmVirt and Self-Updating Code
+ Sami
From: Bret Barkelew <Bret.Barkelew@...>
All,
Marvin asked me a question on the UEFI Talkbox Discord that’s a little beyond my ken…
“There is self-relocating code in ArmVirtPkg: According to comments in the ASM, it seems like this is for Linux-based RAM boot (I saw further stuff for KVM, so it makes sense I guess?). It seems unfortunate it cannot be mapped into a known address range so that self-relocation is not necessary, but that's out of my scope to understand.
“Now, StandaloneMmPkg has similar (self-)relocation code too: https://github.com/tianocore/edk2/blob/17143c4837393d42c484b42d1789b85b2cff1aaf/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c#L379-L386 Because I cannot find such elsewhere, I assume it must be for the same ARM virtualised environment as above. The binary it applies the Relocations to is documented to be the Standalone MM core, but in fact SecCore is located:
“This yields the following questions to me: 1) What even invokes Standalone MM on ARM? It is documented it is spawned during SEC, but I could not find any actual invocation. 2) Why does Standalone MM (self-)relocation locate SecCore? Should it not already have been relocated with the code from ArmPlatformPkg? Is Standalone MM embedded into ARM SecCore? 3) Why is SecCore the only module relocated? Are all others guaranteed to be "properly" loaded? 4) Is there maybe some high-level documented about the ARM boot flow? It seems to be significantly different from the x86 routes quite vastly.”
Hoping that one of you could get me closer to an answer for him. Also happy to take this to the greater mailing list, but thought I’d avoid churn.
Thanks in advance! - Bret
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Re: [PATCH v1 6/6] UefiPayloadPkg: LinuxBoot: use a text format for the configuration block.
Cheng-Chieh Huang <chengchieh@...>
Here is the documentation: https://github.com/osresearch/kexec-load/blob/main/README.md
On Thu, Jul 22, 2021 at 1:09 AM Marvin Häuser <mhaeuser@...> wrote:
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Cancelled Event: TianoCore Design Meeting - APAC/NAMO - Friday, July 23, 2021
#cal-cancelled
devel@edk2.groups.io Calendar <noreply@...>
Cancelled: TianoCore Design Meeting - APAC/NAMO This event has been cancelled. When: Where: Organizer: Ray Ni ray.ni@... Description: TOPIC
For more info, see here: https://www.tianocore.org/design-meeting/ Microsoft Teams meetingJoin on your computer or mobile appClick here to join the meeting Join with a video conferencing deviceteams@... Video Conference ID: 119 715 416 0
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[PATCH 3/3] IntelSiliconPkg: Add IgdOpRegion30.h to support IGD OpRegion v3.0
Digant H Solanki
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3426
- There are many OpRegion fields obsoleted in MBOX1 - MBOX2 is re-purposed for Backlight related fields for dual LFP. - Backlight related fields moved to MBOX2 from MBOX3 and some fields are obsoleted in MBOX3. Signed-off-by: Digant H Solanki <digant.h.solanki@...> Cc: Ray Ni <ray.ni@...> Cc: Rangasai V Chaganty <rangasai.v.chaganty@...> Cc: Ashraf Ali S <ashraf.ali.s@...> --- Silicon/Intel/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion30.h | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) diff --git a/Silicon/Intel/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion30.h b/Silicon/Intel/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion30.h new file mode 100644 index 0000000000..c9948ab55f --- /dev/null +++ b/Silicon/Intel/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion30.h @@ -0,0 +1,101 @@ +/** @file + IGD OpRegion definition from Intel Integrated Graphics Device OpRegion + Specification based on version 3.0. + + Copyright (c) 2021, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef _IGD_OPREGION_3_0_H_ +#define _IGD_OPREGION_3_0_H_ + +#include "IgdOpRegion.h" + +#define IGD_OPREGION_HEADER_MBOX2_VER_3_0 BIT5 + +#pragma pack(1) +/// +/// OpRegion Mailbox 1 - Public ACPI Methods +/// Offset 0x100, Size 0x100 +/// +typedef struct { + UINT32 DRDY; ///< Offset 0x100 Driver Readiness + UINT32 CSTS; ///< Offset 0x104 Status + UINT32 CEVT; ///< Offset 0x108 Current Event + UINT8 RM11[0x14]; ///< Offset 0x10C Reserved Must be Zero + UINT32 DIDL[8]; ///< Offset 0x120 Supported Display Devices ID List + UINT32 CPDL[8]; ///< Offset 0x140 obsolete + UINT32 CADL[8]; ///< Offset 0x160 obsolete + UINT32 NADL[8]; ///< Offset 0x180 obsolete + UINT32 ASLP; ///< Offset 0x1A0 ASL Sleep Time Out + UINT32 TIDX; ///< Offset 0x1A4 obsolete + UINT32 CHPD; ///< Offset 0x1A8 obsolete + UINT32 CLID; ///< Offset 0x1AC Current Lid State Indicator + UINT32 CDCK; ///< Offset 0x1B0 Current Docking State Indicator + UINT32 SXSW; ///< Offset 0x1B4 obsolete + UINT32 EVTS; ///< Offset 0x1B8 obsolete + UINT32 CNOT; ///< Offset 0x1BC obsolete + UINT32 NRDY; ///< Offset 0x1C0 Driver Status + UINT8 DID2[0x1C]; ///< Offset 0x1C4 Extended Supported Devices ID List (DOD) + UINT8 CPD2[0x1C]; ///< Offset 0x1E0 obsolete + UINT8 RM12[4]; ///< Offset 0x1FC - 0x1FF Reserved Must be zero +} IGD_OPREGION_MBOX1_VER_3_0; + +/// +/// OpRegion Mailbox 2 - Backlight communication +/// Offset 0x200, Size 0x100 +/// +typedef struct { + UINT32 BCL1; ///< Offset 0x200 Backlight Brightness for LFP1 + UINT32 BCL2; ///< Offset 0x204 Backlight Brightness for LFP2 + UINT32 CBL1; ///< Offset 0x208 Current User Brightness Level for LFP1 + UINT32 CBL2; ///< Offset 0x20C Current User Brightness Level for LFP2 + UINT32 BCM1[0x1E]; ///< Offset 0x210 Backlight Brightness Levels Duty Cycle Mapping Table for LFP1 + UINT32 BCM2[0x1E]; ///< Offset 0x288 Backlight Brightness Levels Duty Cycle Mapping Table for LFP2 +} IGD_OPREGION_MBOX2_VER_3_0; + +/// +/// OpRegion Mailbox 3 - BIOS/Driver Notification - ASLE Support +/// Offset 0x300, Size 0x100 +/// +typedef struct { + UINT32 ARDY; ///< Offset 0x300 obsolete + UINT32 ASLC; ///< Offset 0x304 obsolete + UINT32 TCHE; ///< Offset 0x308 obsolete + UINT32 ALSI; ///< Offset 0x30C obsolete + UINT32 BCLP; ///< Offset 0x310 obsoleted in ver 3.0, moved to Mailbox 2. + UINT32 PFIT; ///< Offset 0x314 obsolete + UINT32 CBLV; ///< Offset 0x318 obsoleted in ver 3.0, moved to Mailbox 2. + UINT16 BCLM[0x14]; ///< Offset 0x31C obsoleted in ver 3.0, moved to Mailbox 2. + UINT32 CPFM; ///< Offset 0x344 obsolete + UINT32 EPFM; ///< Offset 0x348 obsolete + UINT8 PLUT[0x4A]; ///< Offset 0x34C obsolete + UINT32 PFMB; ///< Offset 0x396 obsolete + UINT32 CCDV; ///< Offset 0x39A obsolete + UINT32 PCFT; ///< Offset 0x39E obsolete + UINT32 SROT; ///< Offset 0x3A2 obsolete + UINT32 IUER; ///< Offset 0x3A6 obsolete + UINT64 FDSS; ///< Offset 0x3AA obsolete + UINT32 FDSP; ///< Offset 0x3B2 obsolete + UINT32 STAT; ///< Offset 0x3B6 obsolete + UINT64 RVDA; ///< Offset 0x3BA Physical address of Raw VBT data. Added from Spec Version 0.90 to support VBT greater than 6KB. + UINT32 RVDS; ///< Offset 0x3C2 Size of Raw VBT data. Added from Spec Version 0.90 to support VBT greater than 6KB. + UINT8 VRSR; ///< Offset 0x3C6 Video RAM Self Refresh + UINT64 DLHP; ///< Offset 0x3C7 Dual LFP Hinge Alignment Parameters + UINT8 RM32[0x31]; ///< Offset 0x3CF - 0x3FF Reserved Must be zero. +} IGD_OPREGION_MBOX3_VER_3_0; + +/// +/// IGD OpRegion Structure +/// +typedef struct { + IGD_OPREGION_HEADER Header; ///< OpRegion header (Offset 0x0, Size 0x100) + IGD_OPREGION_MBOX1_VER_3_0 MBox1; ///< Mailbox 1: Public ACPI Methods (Offset 0x100, Size 0x100) + IGD_OPREGION_MBOX2_VER_3_0 MBox2; ///< Mailbox 2: Backlight communication (Offset 0x200, Size 0x100) + IGD_OPREGION_MBOX3_VER_3_0 MBox3; ///< Mailbox 3: BIOS to Driver Notification (Offset 0x300, Size 0x100) + IGD_OPREGION_MBOX4 MBox4; ///< Mailbox 4: Video BIOS Table (VBT) (Offset 0x400, Size 0x1800) + IGD_OPREGION_MBOX5 MBox5; ///< Mailbox 5: BIOS to Driver Notification Extension (Offset 0x1C00, Size 0x400) +} IGD_OPREGION_STRUCTURE_VER_3_0; +#pragma pack() + +#endif -- 2.30.2.windows.1
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Re: [edk2-platform][PATCH v1 1/1] Platform/RaspberryPi/RPi4: Fix
non-standard ACPI HIDs
Ard Biesheuvel
On Wed, 21 Jul 2021 at 22:39, Andrei Warkentin <awarkentin@...> wrote:
Pushed as d549e39ca1a9..194269223294 Thanks all, ________________________________
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Re: RFC: EXT4 filesystem driver
Marvin Häuser <mhaeuser@...>
On 22.07.21 01:12, Pedro Falcato wrote:
EXT4 (fourth extended filesystem) is a filesystem developed for LinuxWhile I personally don't like it's outside of the EDK II core, I kind of get it. However I would strongly suggest to choose a more general package name, like "LinuxFsPkg", or "NixFsPkg", or maybe even just "FileSystemPkg" (and move FAT over some day?). Imagine someone wants to import BTRFS next year, should it really be "BtrfsPkg"? I understand it follows the "FatPkg" convention, but I feel like people forget FatPkg was special as to its awkward license before Microsoft allowed a change a few years ago. Maintainers.txt already has the concept of different Reviewers per subfolder, maybe it could be extended a little to have a common EDK II contributor to officially maintain the package, but have you be a Maintainer or something like a Reviewer+ to your driver? Or you could maintain the entire package of course. Current limitations:I may be alone, but I strongly object. One of our projects (OpenCore) has a disgusting way of writing files because the FAT32 driver in Aptio IV firmwares may corrupt the filesystem when resizing files. To be honest, it may corrupt with other usages too and we never noticed, because basically we wrote the code to require the least amount of (complex) FS operations. The issue with EDK II is, there is a lot of own code and a lot of users, but little testing. By that I do not mean that developers do not test their code, but that nobody sits down and performs all sorts of FS manipulations in all sorts of orders and closely observes the result for regression-testing. Users will not really test it either, as UEFI to them should just somehow boot to Windows. If at least the code was shared with a codebase that is known-trusted (e.g. the Linux kernel itself), that'd be much easier to trust, but realistically this is not going to happen. My point is, if a company like AMI cannot guarantee writing does not damage the FS for a very simple FS, how do you plan to guarantee yours doesn't for a much more complex FS? I'd rather have only one simple FS type that supports writing for most use-cases (e.g. logging). At the very least I would beg you to have a PCD to turn write support off - if it will be off by default, that'd be great of course. :) Was there any discussion yet as to why write support is needed in the first place you could point me to? Thanks for your work! Best regards, Marvin The driver's handling of unclean unmounting through forced shutdown is unclear.
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