Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 515 insertions, 0 deletions

diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h
new file mode 100644
index 000000000..656559257
--- /dev/null
+++ b/drivers/misc/mei/hw.h
@@ -0,0 +1,515 @@
+/*
+ *
+ * Intel Management Engine Interface (Intel MEI) Linux driver
+ * Copyright (c) 2003-2012, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#ifndef _MEI_HW_TYPES_H_
+#define _MEI_HW_TYPES_H_
+
+#include <linux/uuid.h>
+
+/*
+ * Timeouts in Seconds
+ */
+#define MEI_HW_READY_TIMEOUT        2  /* Timeout on ready message */
+#define MEI_CONNECT_TIMEOUT         3  /* HPS: at least 2 seconds */
+
+#define MEI_CL_CONNECT_TIMEOUT     15  /* HPS: Client Connect Timeout */
+#define MEI_CLIENTS_INIT_TIMEOUT   15  /* HPS: Clients Enumeration Timeout */
+
+#define MEI_PGI_TIMEOUT             1  /* PG Isolation time response 1 sec */
+#define MEI_D0I3_TIMEOUT            5  /* D0i3 set/unset max response time */
+#define MEI_HBM_TIMEOUT             1  /* 1 second */
+
+/*
+ * MEI Version
+ */
+#define HBM_MINOR_VERSION                   0
+#define HBM_MAJOR_VERSION                   2
+
+/*
+ * MEI version with PGI support
+ */
+#define HBM_MINOR_VERSION_PGI               1
+#define HBM_MAJOR_VERSION_PGI               1
+
+/*
+ * MEI version with Dynamic clients support
+ */
+#define HBM_MINOR_VERSION_DC               0
+#define HBM_MAJOR_VERSION_DC               2
+
+/*
+ * MEI version with immediate reply to enum request support
+ */
+#define HBM_MINOR_VERSION_IE               0
+#define HBM_MAJOR_VERSION_IE               2
+
+/*
+ * MEI version with disconnect on connection timeout support
+ */
+#define HBM_MINOR_VERSION_DOT              0
+#define HBM_MAJOR_VERSION_DOT              2
+
+/*
+ * MEI version with notification support
+ */
+#define HBM_MINOR_VERSION_EV               0
+#define HBM_MAJOR_VERSION_EV               2
+
+/*
+ * MEI version with fixed address client support
+ */
+#define HBM_MINOR_VERSION_FA               0
+#define HBM_MAJOR_VERSION_FA               2
+
+/*
+ * MEI version with OS ver message support
+ */
+#define HBM_MINOR_VERSION_OS               0
+#define HBM_MAJOR_VERSION_OS               2
+
+/*
+ * MEI version with dma ring support
+ */
+#define HBM_MINOR_VERSION_DR               1
+#define HBM_MAJOR_VERSION_DR               2
+
+/* Host bus message command opcode */
+#define MEI_HBM_CMD_OP_MSK                  0x7f
+/* Host bus message command RESPONSE */
+#define MEI_HBM_CMD_RES_MSK                 0x80
+
+/*
+ * MEI Bus Message Command IDs
+ */
+#define HOST_START_REQ_CMD                  0x01
+#define HOST_START_RES_CMD                  0x81
+
+#define HOST_STOP_REQ_CMD                   0x02
+#define HOST_STOP_RES_CMD                   0x82
+
+#define ME_STOP_REQ_CMD                     0x03
+
+#define HOST_ENUM_REQ_CMD                   0x04
+#define HOST_ENUM_RES_CMD                   0x84
+
+#define HOST_CLIENT_PROPERTIES_REQ_CMD      0x05
+#define HOST_CLIENT_PROPERTIES_RES_CMD      0x85
+
+#define CLIENT_CONNECT_REQ_CMD              0x06
+#define CLIENT_CONNECT_RES_CMD              0x86
+
+#define CLIENT_DISCONNECT_REQ_CMD           0x07
+#define CLIENT_DISCONNECT_RES_CMD           0x87
+
+#define MEI_FLOW_CONTROL_CMD                0x08
+
+#define MEI_PG_ISOLATION_ENTRY_REQ_CMD      0x0a
+#define MEI_PG_ISOLATION_ENTRY_RES_CMD      0x8a
+#define MEI_PG_ISOLATION_EXIT_REQ_CMD       0x0b
+#define MEI_PG_ISOLATION_EXIT_RES_CMD       0x8b
+
+#define MEI_HBM_ADD_CLIENT_REQ_CMD          0x0f
+#define MEI_HBM_ADD_CLIENT_RES_CMD          0x8f
+
+#define MEI_HBM_NOTIFY_REQ_CMD              0x10
+#define MEI_HBM_NOTIFY_RES_CMD              0x90
+#define MEI_HBM_NOTIFICATION_CMD            0x11
+
+#define MEI_HBM_DMA_SETUP_REQ_CMD           0x12
+#define MEI_HBM_DMA_SETUP_RES_CMD           0x92
+
+/*
+ * MEI Stop Reason
+ * used by hbm_host_stop_request.reason
+ */
+enum mei_stop_reason_types {
+	DRIVER_STOP_REQUEST = 0x00,
+	DEVICE_D1_ENTRY = 0x01,
+	DEVICE_D2_ENTRY = 0x02,
+	DEVICE_D3_ENTRY = 0x03,
+	SYSTEM_S1_ENTRY = 0x04,
+	SYSTEM_S2_ENTRY = 0x05,
+	SYSTEM_S3_ENTRY = 0x06,
+	SYSTEM_S4_ENTRY = 0x07,
+	SYSTEM_S5_ENTRY = 0x08
+};
+
+
+/**
+ * enum mei_hbm_status  - mei host bus messages return values
+ *
+ * @MEI_HBMS_SUCCESS           : status success
+ * @MEI_HBMS_CLIENT_NOT_FOUND  : client not found
+ * @MEI_HBMS_ALREADY_EXISTS    : connection already established
+ * @MEI_HBMS_REJECTED          : connection is rejected
+ * @MEI_HBMS_INVALID_PARAMETER : invalid parameter
+ * @MEI_HBMS_NOT_ALLOWED       : operation not allowed
+ * @MEI_HBMS_ALREADY_STARTED   : system is already started
+ * @MEI_HBMS_NOT_STARTED       : system not started
+ *
+ * @MEI_HBMS_MAX               : sentinel
+ */
+enum mei_hbm_status {
+	MEI_HBMS_SUCCESS           = 0,
+	MEI_HBMS_CLIENT_NOT_FOUND  = 1,
+	MEI_HBMS_ALREADY_EXISTS    = 2,
+	MEI_HBMS_REJECTED          = 3,
+	MEI_HBMS_INVALID_PARAMETER = 4,
+	MEI_HBMS_NOT_ALLOWED       = 5,
+	MEI_HBMS_ALREADY_STARTED   = 6,
+	MEI_HBMS_NOT_STARTED       = 7,
+
+	MEI_HBMS_MAX
+};
+
+
+/*
+ * Client Connect Status
+ * used by hbm_client_connect_response.status
+ */
+enum mei_cl_connect_status {
+	MEI_CL_CONN_SUCCESS          = MEI_HBMS_SUCCESS,
+	MEI_CL_CONN_NOT_FOUND        = MEI_HBMS_CLIENT_NOT_FOUND,
+	MEI_CL_CONN_ALREADY_STARTED  = MEI_HBMS_ALREADY_EXISTS,
+	MEI_CL_CONN_OUT_OF_RESOURCES = MEI_HBMS_REJECTED,
+	MEI_CL_CONN_MESSAGE_SMALL    = MEI_HBMS_INVALID_PARAMETER,
+	MEI_CL_CONN_NOT_ALLOWED      = MEI_HBMS_NOT_ALLOWED,
+};
+
+/*
+ * Client Disconnect Status
+ */
+enum  mei_cl_disconnect_status {
+	MEI_CL_DISCONN_SUCCESS = MEI_HBMS_SUCCESS
+};
+
+/**
+ * struct mei_msg_hdr - MEI BUS Interface Section
+ *
+ * @me_addr: device address
+ * @host_addr: host address
+ * @length: message length
+ * @reserved: reserved
+ * @dma_ring: message is on dma ring
+ * @internal: message is internal
+ * @msg_complete: last packet of the message
+ */
+struct mei_msg_hdr {
+	u32 me_addr:8;
+	u32 host_addr:8;
+	u32 length:9;
+	u32 reserved:4;
+	u32 dma_ring:1;
+	u32 internal:1;
+	u32 msg_complete:1;
+} __packed;
+
+struct mei_bus_message {
+	u8 hbm_cmd;
+	u8 data[0];
+} __packed;
+
+/**
+ * struct hbm_cl_cmd - client specific host bus command
+ *	CONNECT, DISCONNECT, and FlOW CONTROL
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @data: generic data
+ */
+struct mei_hbm_cl_cmd {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 data;
+};
+
+struct hbm_version {
+	u8 minor_version;
+	u8 major_version;
+} __packed;
+
+struct hbm_host_version_request {
+	u8 hbm_cmd;
+	u8 reserved;
+	struct hbm_version host_version;
+} __packed;
+
+struct hbm_host_version_response {
+	u8 hbm_cmd;
+	u8 host_version_supported;
+	struct hbm_version me_max_version;
+} __packed;
+
+struct hbm_host_stop_request {
+	u8 hbm_cmd;
+	u8 reason;
+	u8 reserved[2];
+} __packed;
+
+struct hbm_host_stop_response {
+	u8 hbm_cmd;
+	u8 reserved[3];
+} __packed;
+
+struct hbm_me_stop_request {
+	u8 hbm_cmd;
+	u8 reason;
+	u8 reserved[2];
+} __packed;
+
+/**
+ * enum hbm_host_enum_flags - enumeration request flags (HBM version >= 2.0)
+ *
+ * @MEI_HBM_ENUM_F_ALLOW_ADD: allow dynamic clients add
+ * @MEI_HBM_ENUM_F_IMMEDIATE_ENUM: allow FW to send answer immediately
+ */
+enum hbm_host_enum_flags {
+	MEI_HBM_ENUM_F_ALLOW_ADD = BIT(0),
+	MEI_HBM_ENUM_F_IMMEDIATE_ENUM = BIT(1),
+};
+
+/**
+ * struct hbm_host_enum_request - enumeration request from host to fw
+ *
+ * @hbm_cmd : bus message command header
+ * @flags   : request flags
+ * @reserved: reserved
+ */
+struct hbm_host_enum_request {
+	u8 hbm_cmd;
+	u8 flags;
+	u8 reserved[2];
+} __packed;
+
+struct hbm_host_enum_response {
+	u8 hbm_cmd;
+	u8 reserved[3];
+	u8 valid_addresses[32];
+} __packed;
+
+struct mei_client_properties {
+	uuid_le protocol_name;
+	u8 protocol_version;
+	u8 max_number_of_connections;
+	u8 fixed_address;
+	u8 single_recv_buf;
+	u32 max_msg_length;
+} __packed;
+
+struct hbm_props_request {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 reserved[2];
+} __packed;
+
+struct hbm_props_response {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 status;
+	u8 reserved[1];
+	struct mei_client_properties client_properties;
+} __packed;
+
+/**
+ * struct hbm_add_client_request - request to add a client
+ *     might be sent by fw after enumeration has already completed
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @reserved: reserved
+ * @client_properties: client properties
+ */
+struct hbm_add_client_request {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 reserved[2];
+	struct mei_client_properties client_properties;
+} __packed;
+
+/**
+ * struct hbm_add_client_response - response to add a client
+ *     sent by the host to report client addition status to fw
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @status: if HBMS_SUCCESS then the client can now accept connections.
+ * @reserved: reserved
+ */
+struct hbm_add_client_response {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 status;
+	u8 reserved[1];
+} __packed;
+
+/**
+ * struct hbm_power_gate - power gate request/response
+ *
+ * @hbm_cmd: bus message command header
+ * @reserved: reserved
+ */
+struct hbm_power_gate {
+	u8 hbm_cmd;
+	u8 reserved[3];
+} __packed;
+
+/**
+ * struct hbm_client_connect_request - connect/disconnect request
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @reserved: reserved
+ */
+struct hbm_client_connect_request {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 reserved;
+} __packed;
+
+/**
+ * struct hbm_client_connect_response - connect/disconnect response
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @status: status of the request
+ */
+struct hbm_client_connect_response {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 status;
+} __packed;
+
+
+#define MEI_FC_MESSAGE_RESERVED_LENGTH           5
+
+struct hbm_flow_control {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 reserved[MEI_FC_MESSAGE_RESERVED_LENGTH];
+} __packed;
+
+#define MEI_HBM_NOTIFICATION_START 1
+#define MEI_HBM_NOTIFICATION_STOP  0
+/**
+ * struct hbm_notification_request - start/stop notification request
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @start:  start = 1 or stop = 0 asynchronous notifications
+ */
+struct hbm_notification_request {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 start;
+} __packed;
+
+/**
+ * struct hbm_notification_response - start/stop notification response
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: - address of the client in the driver
+ * @status: (mei_hbm_status) response status for the request
+ *  - MEI_HBMS_SUCCESS: successful stop/start
+ *  - MEI_HBMS_CLIENT_NOT_FOUND: if the connection could not be found.
+ *  - MEI_HBMS_ALREADY_STARTED: for start requests for a previously
+ *                         started notification.
+ *  - MEI_HBMS_NOT_STARTED: for stop request for a connected client for whom
+ *                         asynchronous notifications are currently disabled.
+ *
+ * @start:  start = 1 or stop = 0 asynchronous notifications
+ * @reserved: reserved
+ */
+struct hbm_notification_response {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 status;
+	u8 start;
+	u8 reserved[3];
+} __packed;
+
+/**
+ * struct hbm_notification - notification event
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr:  address of the client in ME
+ * @host_addr:  address of the client in the driver
+ * @reserved: reserved for alignment
+ */
+struct hbm_notification {
+	u8 hbm_cmd;
+	u8 me_addr;
+	u8 host_addr;
+	u8 reserved[1];
+} __packed;
+
+/**
+ * struct hbm_dma_mem_dscr - dma ring
+ *
+ * @addr_hi: the high 32bits of 64 bit address
+ * @addr_lo: the low  32bits of 64 bit address
+ * @size   : size in bytes (must be power of 2)
+ */
+struct hbm_dma_mem_dscr {
+	u32 addr_hi;
+	u32 addr_lo;
+	u32 size;
+} __packed;
+
+enum {
+	DMA_DSCR_HOST = 0,
+	DMA_DSCR_DEVICE = 1,
+	DMA_DSCR_CTRL = 2,
+	DMA_DSCR_NUM,
+};
+
+/**
+ * struct hbm_dma_setup_request - dma setup request
+ *
+ * @hbm_cmd: bus message command header
+ * @reserved: reserved for alignment
+ * @dma_dscr: dma descriptor for HOST, DEVICE, and CTRL
+ */
+struct hbm_dma_setup_request {
+	u8 hbm_cmd;
+	u8 reserved[3];
+	struct hbm_dma_mem_dscr dma_dscr[DMA_DSCR_NUM];
+} __packed;
+
+/**
+ * struct hbm_dma_setup_response - dma setup response
+ *
+ * @hbm_cmd: bus message command header
+ * @status: 0 on success; otherwise DMA setup failed.
+ * @reserved: reserved for alignment
+ */
+struct hbm_dma_setup_response {
+	u8 hbm_cmd;
+	u8 status;
+	u8 reserved[2];
+} __packed;
+
+#endif