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usr
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linux-headers-6.8.0-36-generic
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include
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pldmfw.h
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2018-2019, Intel Corporation. */ #ifndef _PLDMFW_H_ #define _PLDMFW_H_ #include <linux/list.h> #include <linux/firmware.h> #define PLDM_DEVICE_UPDATE_CONTINUE_AFTER_FAIL BIT(0) #define PLDM_STRING_TYPE_UNKNOWN 0 #define PLDM_STRING_TYPE_ASCII 1 #define PLDM_STRING_TYPE_UTF8 2 #define PLDM_STRING_TYPE_UTF16 3 #define PLDM_STRING_TYPE_UTF16LE 4 #define PLDM_STRING_TYPE_UTF16BE 5 struct pldmfw_record { struct list_head entry; /* List of descriptor TLVs */ struct list_head descs; /* Component Set version string*/ const u8 *version_string; u8 version_type; u8 version_len; /* Package Data length */ u16 package_data_len; /* Bitfield of Device Update Flags */ u32 device_update_flags; /* Package Data block */ const u8 *package_data; /* Bitmap of components applicable to this record */ unsigned long *component_bitmap; u16 component_bitmap_len; }; /* Standard descriptor TLV identifiers */ #define PLDM_DESC_ID_PCI_VENDOR_ID 0x0000 #define PLDM_DESC_ID_IANA_ENTERPRISE_ID 0x0001 #define PLDM_DESC_ID_UUID 0x0002 #define PLDM_DESC_ID_PNP_VENDOR_ID 0x0003 #define PLDM_DESC_ID_ACPI_VENDOR_ID 0x0004 #define PLDM_DESC_ID_PCI_DEVICE_ID 0x0100 #define PLDM_DESC_ID_PCI_SUBVENDOR_ID 0x0101 #define PLDM_DESC_ID_PCI_SUBDEV_ID 0x0102 #define PLDM_DESC_ID_PCI_REVISION_ID 0x0103 #define PLDM_DESC_ID_PNP_PRODUCT_ID 0x0104 #define PLDM_DESC_ID_ACPI_PRODUCT_ID 0x0105 #define PLDM_DESC_ID_VENDOR_DEFINED 0xFFFF struct pldmfw_desc_tlv { struct list_head entry; const u8 *data; u16 type; u16 size; }; #define PLDM_CLASSIFICATION_UNKNOWN 0x0000 #define PLDM_CLASSIFICATION_OTHER 0x0001 #define PLDM_CLASSIFICATION_DRIVER 0x0002 #define PLDM_CLASSIFICATION_CONFIG_SW 0x0003 #define PLDM_CLASSIFICATION_APP_SW 0x0004 #define PLDM_CLASSIFICATION_INSTRUMENTATION 0x0005 #define PLDM_CLASSIFICATION_BIOS 0x0006 #define PLDM_CLASSIFICATION_DIAGNOSTIC_SW 0x0007 #define PLDM_CLASSIFICATION_OS 0x0008 #define PLDM_CLASSIFICATION_MIDDLEWARE 0x0009 #define PLDM_CLASSIFICATION_FIRMWARE 0x000A #define PLDM_CLASSIFICATION_CODE 0x000B #define PLDM_CLASSIFICATION_SERVICE_PACK 0x000C #define PLDM_CLASSIFICATION_SOFTWARE_BUNDLE 0x000D #define PLDM_ACTIVATION_METHOD_AUTO BIT(0) #define PLDM_ACTIVATION_METHOD_SELF_CONTAINED BIT(1) #define PLDM_ACTIVATION_METHOD_MEDIUM_SPECIFIC BIT(2) #define PLDM_ACTIVATION_METHOD_REBOOT BIT(3) #define PLDM_ACTIVATION_METHOD_DC_CYCLE BIT(4) #define PLDM_ACTIVATION_METHOD_AC_CYCLE BIT(5) #define PLDMFW_COMPONENT_OPTION_FORCE_UPDATE BIT(0) #define PLDMFW_COMPONENT_OPTION_USE_COMPARISON_STAMP BIT(1) struct pldmfw_component { struct list_head entry; /* component identifier */ u16 classification; u16 identifier; u16 options; u16 activation_method; u32 comparison_stamp; u32 component_size; const u8 *component_data; /* Component version string */ const u8 *version_string; u8 version_type; u8 version_len; /* component index */ u8 index; }; /* Transfer flag used for sending components to the firmware */ #define PLDM_TRANSFER_FLAG_START BIT(0) #define PLDM_TRANSFER_FLAG_MIDDLE BIT(1) #define PLDM_TRANSFER_FLAG_END BIT(2) struct pldmfw_ops; /* Main entry point to the PLDM firmware update engine. Device drivers * should embed this in a private structure and use container_of to obtain * a pointer to their own data, used to implement the device specific * operations. */ struct pldmfw { const struct pldmfw_ops *ops; struct device *dev; }; bool pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record); /* Operations invoked by the generic PLDM firmware update engine. Used to * implement device specific logic. * * @match_record: check if the device matches the given record. For * convenience, a standard implementation is provided for PCI devices. * * @send_package_data: send the package data associated with the matching * record to firmware. * * @send_component_table: send the component data associated with a given * component to firmware. Called once for each applicable component. * * @flash_component: Flash the data for a given component to the device. * Called once for each applicable component, after all component tables have * been sent. * * @finalize_update: (optional) Finish the update. Called after all components * have been flashed. */ struct pldmfw_ops { bool (*match_record)(struct pldmfw *context, struct pldmfw_record *record); int (*send_package_data)(struct pldmfw *context, const u8 *data, u16 length); int (*send_component_table)(struct pldmfw *context, struct pldmfw_component *component, u8 transfer_flag); int (*flash_component)(struct pldmfw *context, struct pldmfw_component *component); int (*finalize_update)(struct pldmfw *context); }; int pldmfw_flash_image(struct pldmfw *context, const struct firmware *fw); #endif
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