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Tue, 15 Jun 2021 02:02:39 +0000 Subject: Re: [PATCH v8 2/2] ACPI: Add quirks for AMD Renoir/Lucienne CPUs to force the D3 hint To: Keith Busch , Jens Axboe , Christoph Hellwig Cc: "open list:NVM EXPRESS DRIVER" , linux-acpi@vger.kernel.org, rrangel@chromium.org, david.e.box@linux.intel.com, Shyam-sundar.S-k@amd.com, Nehal-bakulchandra.Shah@amd.com, Alexander.Deucher@amd.com, prike.liang@amd.com, "Rafael J . Wysocki" , Julian Sikorski , Sagi Grimberg , "Rafael J . Wysocki" References: <20210609184018.26017-1-mario.limonciello@amd.com> <20210609184018.26017-2-mario.limonciello@amd.com> From: "Limonciello, Mario" Message-ID: <831df669-b38e-9f4b-dd67-b613aaab6c28@amd.com> Date: Mon, 14 Jun 2021 21:02:36 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 In-Reply-To: <20210609184018.26017-2-mario.limonciello@amd.com> Content-Language: en-US X-Originating-IP: [165.204.77.11] X-ClientProxiedBy: SN2PR01CA0005.prod.exchangelabs.com (2603:10b6:804:2::15) To SA0PR12MB4510.namprd12.prod.outlook.com (2603:10b6:806:94::8) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.254.51.208] (165.204.77.11) by SN2PR01CA0005.prod.exchangelabs.com (2603:10b6:804:2::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.20 via Frontend Transport; Tue, 15 Jun 2021 02:02:37 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 281b6395-5272-4afe-c328-08d92fa1a6f3 X-MS-TrafficTypeDiagnostic: SA0PR12MB4511: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; 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charset="us-ascii"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 6/9/2021 13:40, Mario Limonciello wrote: > AMD systems from Renoir and Lucienne require that the NVME controller > is put into D3 over a Modern Standby / suspend-to-idle > cycle. This is "typically" accomplished using the `StorageD3Enable` > property in the _DSD, but this property was introduced after many > of these systems launched and most OEM systems don't have it in > their BIOS. > > On AMD Renoir without these drives going into D3 over suspend-to-idle > the resume will fail with the NVME controller being reset and a trace > like this in the kernel logs: > ``` > [ 83.556118] nvme nvme0: I/O 161 QID 2 timeout, aborting > [ 83.556178] nvme nvme0: I/O 162 QID 2 timeout, aborting > [ 83.556187] nvme nvme0: I/O 163 QID 2 timeout, aborting > [ 83.556196] nvme nvme0: I/O 164 QID 2 timeout, aborting > [ 95.332114] nvme nvme0: I/O 25 QID 0 timeout, reset controller > [ 95.332843] nvme nvme0: Abort status: 0x371 > [ 95.332852] nvme nvme0: Abort status: 0x371 > [ 95.332856] nvme nvme0: Abort status: 0x371 > [ 95.332859] nvme nvme0: Abort status: 0x371 > [ 95.332909] PM: dpm_run_callback(): pci_pm_resume+0x0/0xe0 returns -16 > [ 95.332936] nvme 0000:03:00.0: PM: failed to resume async: error -16 > ``` > > The Microsoft documentation for StorageD3Enable mentioned that Windows has > a hardcoded allowlist for D3 support, which was used for these platforms. > Introduce quirks to hardcode them for Linux as well. > > As this property is now "standardized", OEM systems using AMD Cezanne and > newer APU's have adopted this property, and quirks like this should not be > necessary. > > CC: Shyam-sundar S-k > CC: Alexander Deucher > CC: Prike Liang > Link: https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/power-management-for-storage-hardware-devices-intro > Signed-off-by: Mario Limonciello > Acked-by: Rafael J. Wysocki > Tested-by: Julian Sikorski > --- > drivers/acpi/device_pm.c | 3 +++ > drivers/acpi/internal.h | 9 +++++++++ > drivers/acpi/x86/utils.c | 25 +++++++++++++++++++++++++ > 3 files changed, 37 insertions(+) > > Changes from v4->v5: > * Add this patch back in as it's been made apparent that the > system needs to be hardcoded for these. > Changes: > - Drop Cezanne - it's now covered by StorageD3Enable > - Rebase ontop of acpi_storage_d3 outside of NVME > Changes from v5->v6: > * Move the quirk check into drivers/acpi/x86/ as suggested by > Rafael. > Changes from v6->v7: > * Move header location > * Optimization of force function > Changes from v7->v8: > * Add tags > > diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c > index c8600978b283..c40fc135ff0c 100644 > --- a/drivers/acpi/device_pm.c > +++ b/drivers/acpi/device_pm.c > @@ -1360,6 +1360,9 @@ bool acpi_storage_d3(struct device *dev) > struct acpi_device *adev = ACPI_COMPANION(dev); > u8 val; > > + if (force_storage_d3()) > + return true; > + > if (!adev) > return false; > if (fwnode_property_read_u8(acpi_fwnode_handle(adev), "StorageD3Enable", > diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h > index f973bbe90e5e..e29ec463bb07 100644 > --- a/drivers/acpi/internal.h > +++ b/drivers/acpi/internal.h > @@ -236,6 +236,15 @@ static inline int suspend_nvs_save(void) { return 0; } > static inline void suspend_nvs_restore(void) {} > #endif > > +#ifdef CONFIG_X86 > +bool force_storage_d3(void); > +#else > +static inline bool force_storage_d3(void) > +{ > + return false; > +} > +#endif > + > /*-------------------------------------------------------------------------- > Device properties > -------------------------------------------------------------------------- */ > diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c > index bdc1ba00aee9..5298bb4d81fe 100644 > --- a/drivers/acpi/x86/utils.c > +++ b/drivers/acpi/x86/utils.c > @@ -135,3 +135,28 @@ bool acpi_device_always_present(struct acpi_device *adev) > > return ret; > } > + > +/* > + * AMD systems from Renoir and Lucienne *require* that the NVME controller > + * is put into D3 over a Modern Standby / suspend-to-idle cycle. > + * > + * This is "typically" accomplished using the `StorageD3Enable` > + * property in the _DSD that is checked via the `acpi_storage_d3` function > + * but this property was introduced after many of these systems launched > + * and most OEM systems don't have it in their BIOS. > + * > + * The Microsoft documentation for StorageD3Enable mentioned that Windows has > + * a hardcoded allowlist for D3 support, which was used for these platforms. > + * > + * This allows quirking on Linux in a similar fashion. > + */ > +const struct x86_cpu_id storage_d3_cpu_ids[] = { > + X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 96, NULL), /* Renoir */ > + X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 104, NULL), /* Lucienne */ > + {} > +}; > + > +bool force_storage_d3(void) > +{ > + return x86_match_cpu(storage_d3_cpu_ids); > +} > Christoph, Keith ping on this series. Any other thoughts? If it's good can you take this in for nvme-5.14 since Rafael mentioned the conflict from the other StorageD3Enable commit in nvme-5.14? _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme