From patchwork Fri Jun 28 15:09:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael J. 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Ruhl" To: intel-xe@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, david.e.box@linux.intel.com, ilpo.jarvinen@linux.intel.com Cc: michael.j.ruhl@intel.com Subject: [PATCH v4 2/6] platform/x86/intel/vsec: Add PMT read callbacks Date: Fri, 28 Jun 2024 11:09:40 -0400 Message-ID: <20240628150945.3363575-3-michael.j.ruhl@intel.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240628150945.3363575-1-michael.j.ruhl@intel.com> References: <20240628150945.3363575-1-michael.j.ruhl@intel.com> Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "David E. Box" Some PMT providers require device specific actions before their telemetry can be read. Provide assignable PMT read callbacks to allow providers to perform those actions. Signed-off-by: David E. Box --- drivers/platform/x86/intel/vsec.c | 1 + include/linux/intel_vsec.h | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/drivers/platform/x86/intel/vsec.c b/drivers/platform/x86/intel/vsec.c index 2b46807f868b..7b5cc9993974 100644 --- a/drivers/platform/x86/intel/vsec.c +++ b/drivers/platform/x86/intel/vsec.c @@ -212,6 +212,7 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he intel_vsec_dev->num_resources = header->num_entries; intel_vsec_dev->quirks = info->quirks; intel_vsec_dev->base_addr = info->base_addr; + intel_vsec_dev->priv_data = info->priv_data; if (header->id == VSEC_ID_SDSI) intel_vsec_dev->ida = &intel_vsec_sdsi_ida; diff --git a/include/linux/intel_vsec.h b/include/linux/intel_vsec.h index ff7998cadab4..003301783331 100644 --- a/include/linux/intel_vsec.h +++ b/include/linux/intel_vsec.h @@ -67,10 +67,15 @@ enum intel_vsec_quirks { VSEC_QUIRK_EARLY_HW = BIT(4), }; +struct pmt_callbacks { + int (*read_telem)(void *args, u32 guid, u64 *data, u32 count); +}; + /* Platform specific data */ struct intel_vsec_platform_info { struct device *parent; struct intel_vsec_header **headers; + void *priv_data; unsigned long caps; unsigned long quirks; u64 base_addr;