From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=134.134.136.100; helo=mga07.intel.com; envelope-from=hao.a.wu@intel.com; receiver=edk2-devel@lists.01.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id AEBED210D8512 for ; Thu, 21 Jun 2018 19:39:02 -0700 (PDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Jun 2018 19:39:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,255,1526367600"; d="scan'208";a="239594849" Received: from shwdeopenpsi014.ccr.corp.intel.com ([10.239.9.19]) by fmsmga006.fm.intel.com with ESMTP; 21 Jun 2018 19:39:01 -0700 From: Hao Wu To: edk2-devel@lists.01.org Cc: Hao Wu , Eric Dong , Ruiyu Ni , Jiewen Yao Date: Fri, 22 Jun 2018 10:38:56 +0800 Message-Id: <20180622023859.13880-2-hao.a.wu@intel.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20180622023859.13880-1-hao.a.wu@intel.com> References: <20180622023859.13880-1-hao.a.wu@intel.com> Subject: [PATCH v2 1/4] MdeModulePkg: Add definitions for EDKII PEI NVME host controller PPI X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jun 2018 02:39:02 -0000 Introduces the below PPI: struct EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI { EDKII_NVM_EXPRESS_HC_GET_MMIO_BAR GetNvmeHcMmioBar; EDKII_NVM_EXPRESS_HC_GET_DEVICE_PATH GetNvmeHcDevicePath; }; The GetNvmeHcMmioBar service will provide the caller with the MMIO BAR address of each NVMe HC within the system; The GetNvmeHcDevicePath service will provide the caller with the device path information of each NVMe HC. Cc: Eric Dong Cc: Ruiyu Ni Cc: Jiewen Yao Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu Reviewed-by: Star Zeng --- MdeModulePkg/Include/Ppi/NvmExpressHostController.h | 92 ++++++++++++++++++++ MdeModulePkg/MdeModulePkg.dec | 3 + 2 files changed, 95 insertions(+) diff --git a/MdeModulePkg/Include/Ppi/NvmExpressHostController.h b/MdeModulePkg/Include/Ppi/NvmExpressHostController.h new file mode 100644 index 0000000000..3e22f5057b --- /dev/null +++ b/MdeModulePkg/Include/Ppi/NvmExpressHostController.h @@ -0,0 +1,92 @@ +/** @file + + Copyright (c) 2018, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI_H_ +#define _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI_H_ + +#include + +/// +/// Global ID for the EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI. +/// +#define EDKII_NVME_EXPRESS_HOST_CONTROLLER_PPI_GUID \ + { \ + 0xcae3aa63, 0x676f, 0x4da3, { 0xbd, 0x50, 0x6c, 0xc5, 0xed, 0xde, 0x9a, 0xad } \ + } + +// +// Forward declaration for the EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI. +// +typedef struct _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI; + +/** + Get the MMIO base address of NVM Express host controller. + + @param[in] This The PPI instance pointer. + @param[in] ControllerId The ID of the NVM Express host controller. + @param[out] MmioBar The MMIO base address of the controller. + + @retval EFI_SUCCESS The operation succeeds. + @retval EFI_INVALID_PARAMETER The parameters are invalid. + @retval EFI_NOT_FOUND The specified NVM Express host controller not + found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EDKII_NVM_EXPRESS_HC_GET_MMIO_BAR) ( + IN EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI *This, + IN UINT8 ControllerId, + OUT UINTN *MmioBar + ); + +/** + Get the device path of NVM Express host controller. + + @param[in] This The PPI instance pointer. + @param[in] ControllerId The ID of the NVM Express host controller. + @param[out] DevicePathLength The length of the device path in bytes specified + by DevicePath. + @param[out] DevicePath The device path of NVM Express host controller. + This field re-uses EFI Device Path Protocol as + defined by Section 10.2 EFI Device Path Protocol + of UEFI 2.7 Specification. + + @retval EFI_SUCCESS The operation succeeds. + @retval EFI_INVALID_PARAMETER The parameters are invalid. + @retval EFI_NOT_FOUND The specified NVM Express host controller not + found. + @retval EFI_OUT_OF_RESOURCES The operation fails due to lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EDKII_NVM_EXPRESS_HC_GET_DEVICE_PATH) ( + IN EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI *This, + IN UINT8 ControllerId, + OUT UINTN *DevicePathLength, + OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath + ); + +// +// This PPI contains a set of services to interact with the NVM Express host +// controller. +// +struct _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI { + EDKII_NVM_EXPRESS_HC_GET_MMIO_BAR GetNvmeHcMmioBar; + EDKII_NVM_EXPRESS_HC_GET_DEVICE_PATH GetNvmeHcDevicePath; +}; + +extern EFI_GUID gEdkiiPeiNvmExpressHostControllerPpiGuid; + +#endif diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index cc397185f7..eeabd62418 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -464,6 +464,9 @@ ## Include/Ppi/PlatformSpecificResetHandler.h gEdkiiPlatformSpecificResetHandlerPpiGuid = { 0x75cf14ae, 0x3441, 0x49dc, { 0xaa, 0x10, 0xbb, 0x35, 0xa7, 0xba, 0x8b, 0xab } } + ## Include/Ppi/NvmExpressHostController.h + gEdkiiPeiNvmExpressHostControllerPpiGuid = { 0xcae3aa63, 0x676f, 0x4da3, { 0xbd, 0x50, 0x6c, 0xc5, 0xed, 0xde, 0x9a, 0xad } } + [Protocols] ## Load File protocol provides capability to load and unload EFI image into memory and execute it. # Include/Protocol/LoadPe32Image.h -- 2.12.0.windows.1