617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Use is subject to license terms.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Part of Intel(R) Manageability Engine Interface Linux driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Copyright (c) 2003 - 2008 Intel Corp.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * All rights reserved.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Redistribution and use in source and binary forms, with or without
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * modification, are permitted provided that the following conditions
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * 1. Redistributions of source code must retain the above copyright
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * notice, this list of conditions, and the following disclaimer,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * without modification.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * 2. Redistributions in binary form must reproduce at minimum a disclaimer
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * substantially similar to the "NO WARRANTY" disclaimer below
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * ("Disclaimer") and any redistribution must be conditioned upon
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * including a substantially similar Disclaimer requirement for further
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * binary redistribution.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * 3. Neither the names of the above-listed copyright holders nor the names
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * of any contributors may be used to endorse or promote products derived
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * from this software without specific prior written permission.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Alternatively, this software may be distributed under the terms of the
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * GNU General Public License ("GPL") version 2 as published by the Free
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * Software Foundation.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * NO WARRANTY
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * POSSIBILITY OF SUCH DAMAGES.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganconst uint8_t start_wd_params[] = { 0x02, 0x12, 0x13, 0x10 };
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganconst uint8_t stop_wd_params[] = { 0x02, 0x02, 0x14, 0x10 };
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganconst uint8_t heci_wd_state_independence_msg[3][4] = {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci init function prototypes
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void heci_check_asf_mode(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic int host_start_message(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic int host_enum_clients_message(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic int allocate_me_clients_storage(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void host_init_wd(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void host_init_iamthif(struct iamt_heci_device *dev);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic inline int heci_fe_same_id(struct heci_file_private *fe1,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_initialize_list - Sets up a queue list.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @list: An instance of our list structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* initialize our queue list */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_flush_queues - flush our queues list belong to file_ext.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @file_ext: private data of the file object
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* flush our queue list belong to file_ext */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (i = 0; i < HECI_IO_LISTS_NUMBER; i++) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_flush_list(dev->io_list_array[i], file_ext);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_flush_list - remove list entry belong to file_ext.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @list: An instance of our list structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @file_ext: private data of the file object
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan list_for_each_entry_safe(priv_cb_pos, priv_cb_next,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan &list->heci_cb.cb_list, cb_list, struct heci_cb_private) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_reset_iamthif_params - initializes heci device iamthif
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: The heci device structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void heci_reset_iamthif_params(struct iamt_heci_device *dev)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* reset iamthif parameters. */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * fini_heci_device - release resources allocated in init_heci_device()
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * init_heci_device - initializes the heci device structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* setup our list array */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->io_list_array[2] = &device->write_waiting_list;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->io_list_array[3] = &device->ctrl_wr_list;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->io_list_array[4] = &device->ctrl_rd_list;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->io_list_array[5] = &device->pthi_cmd_list;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->io_list_array[6] = &device->pthi_read_complete_list;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan mutex_init(&device->device_lock, NULL, MUTEX_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan cv_init(&device->wait_recvd_msg, NULL, CV_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan cv_init(&device->wait_stop_wd, NULL, CV_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->work = ddi_taskq_create(dip, "heci_bh_handler", 1,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan cmn_err(CE_WARN, "taskq_create failed for heci_bh_handler");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan device->reinit_tsk = ddi_taskq_create(dip, "heci_reinit_tsk", 1,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan cmn_err(CE_WARN, "taskq_create failed for reinit_tsk");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (i = 0; i < HECI_IO_LISTS_NUMBER; i++)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_initialize_list(device->io_list_array[i], device);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_hw_init - init host and fw to start work.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->host_hw_state = read_heci_register(dev, H_CSR);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->me_hw_state = read_heci_register(dev, ME_CSR_HA);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("host_hw_state = 0x%08x, mestate = 0x%08x.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* acknowledge interrupt and stop interupts */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* wait for ME to turn on ME_RDY */
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni &dev->device_lock, HECI_INTEROP_TIMEOUT, TR_CLOCK_TICK);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan "on wait for ME to turn on ME_RDY.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan ((dev->me_hw_state & ME_RDY_HRA) == ME_RDY_HRA))) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (!(dev->me_hw_state & ME_RDY_HRA) != ME_RDY_HRA)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan "heci: link layer initialization failed.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("ME turn on ME_RDY and host turn on H_RDY.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_hw_reset - reset fw via heci csr register.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @interrupts: if interrupt should be enable after reset.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void heci_hw_reset(struct iamt_heci_device *dev, int interrupts)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_reset - reset host and fw.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @interrupts: if interrupt should be enable after reset.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_reset(struct iamt_heci_device *dev, int interrupts)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (dev->heci_state == HECI_RECOVERING_FROM_RESET) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->host_hw_state = read_heci_register(dev, H_CSR);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan write_heci_register(dev, H_CSR, dev->host_hw_state);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* remove entry if already in list */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* update the state of the registers after reset */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->host_hw_state = read_heci_register(dev, H_CSR);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->me_hw_state = read_heci_register(dev, ME_CSR_HA);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("after reset host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* Wake up all readings so they can be interrupted */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan list_for_each_entry_safe(file_pos, file_next, &dev->file_list, link,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* remove all waiting requests */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan list_for_each_entry_safe(priv_cb_pos, priv_cb_next,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_initialize_clients - routine.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_initialize_clients(struct iamt_heci_device *dev)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* msleep(100) FW needs time to be ready to talk with us */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("link is established start sending messages.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* link is established start sending messages. */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* enumerate clients */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* allocate storage for ME clients representation */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* heci initialization wd */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* heci initialization iamthif client */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("initialization heci clients successful.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_task_initialize_clients - routine.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @data: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan struct iamt_heci_device *dev = (struct iamt_heci_device *)data;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan cmn_err(CE_WARN, "heci_initialize_clients() failed\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * host_start_message - heci host send start message.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* host start message */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr = (struct heci_msg_hdr *)&dev->wr_msg_buf[0];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr->length = sizeof (struct hbm_host_version_request);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (struct hbm_host_version_request *)&dev->wr_msg_buf[1];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct hbm_host_version_request));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan host_start_req->host_version.major_version = HBM_MAJOR_VERSION;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan host_start_req->host_version.minor_version = HBM_MINOR_VERSION;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (unsigned char *)(host_start_req),
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("call wait_event_interruptible_timeout for response message.\n");
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni err = cv_reltimedwait(&dev->wait_recvd_msg, &dev->device_lock,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("wait_timeout failed on host start response message.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("wait_timeout successful on host start response message.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if ((dev->version.major_version != HBM_MAJOR_VERSION) ||
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (dev->version.minor_version != HBM_MINOR_VERSION)) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* send stop message */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr->length = sizeof (struct hbm_host_stop_request);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (struct hbm_host_stop_request *)&dev->wr_msg_buf[1];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct hbm_host_stop_request));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (unsigned char *)(host_stop_req),
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * host_enum_clients_message - host send enumeration client request message.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganhost_enum_clients_message(struct iamt_heci_device *dev)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr = (struct heci_msg_hdr *)&dev->wr_msg_buf[0];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* enumerate clients */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr->length = sizeof (struct hbm_host_enum_request);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan host_enum_req = (struct hbm_host_enum_request *)&dev->wr_msg_buf[1];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (void) memset(host_enum_req, 0, sizeof (struct hbm_host_enum_request));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (unsigned char *)(host_enum_req),
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* wait for response */
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni err = cv_reltimedwait(&dev->wait_recvd_msg, &dev->device_lock,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan "on enumeration clients response message.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* count how many ME clients we have */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (i = 0; i < sizeof (dev->heci_me_clients); i++) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (j = 0; j < 8; j++) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * host_client_properties - reads properties for client
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @idx: client index in me client array
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @client_id: id of the client
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganhost_client_properties(struct iamt_heci_device *dev,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr = (struct heci_msg_hdr *)&dev->wr_msg_buf[0];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_hdr->length = sizeof (struct hbm_props_request);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan host_cli_req = (struct hbm_props_request *)&dev->wr_msg_buf[1];
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (void) memset(host_cli_req, 0, sizeof (struct hbm_props_request));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan host_cli_req->cmd.cmd = HOST_CLIENT_PROPERTEIS_REQ_CMD;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (unsigned char *)(host_cli_req), heci_hdr->length)) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* wait for response */
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni err = cv_reltimedwait(&dev->wait_recvd_msg, &dev->device_lock,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * allocate_me_clients_storage - allocate storage for me clients
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganallocate_me_clients_storage(struct iamt_heci_device *dev)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan kmem_free(dev->me_clients, dev->num_heci_me_clients*
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct heci_me_client));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* allocate storage for ME clients representation */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("memory allocation for ME clients failed.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (i = 0; i < sizeof (dev->heci_me_clients); i++) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan for (j = 0; j < 8; j++) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct heci_me_client));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_init_file_private - initializes private file structure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @priv: private file structure to be initialized
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @file: the file structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_init_file_private(struct heci_file_private *priv,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (void) memset(priv, 0, sizeof (struct heci_file_private));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan mutex_init(&priv->file_lock, NULL, MUTEX_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan mutex_init(&priv->read_io_lock, NULL, MUTEX_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan mutex_init(&priv->write_io_lock, NULL, MUTEX_DRIVER, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("priv->rx_wait =%p\n", (void *)&priv->rx_wait);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_find_me_client - search for ME client guid
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * sets client_id in heci_file_private if found
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @priv: private file structure to set client_id in
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @cguid: searched guid of ME client
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @client_id: id of host client to be set in file private structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return ME client index
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if ((dev == NULL) || (priv == NULL) || (cguid == NULL))
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct guid)) == 0) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan priv->me_client_id = dev->me_clients[i].client_id;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_check_asf_mode - check for ASF client
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* find ME ASF client - otherwise assume AMT mode */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("find ME ASF client - otherwise assume AMT mode.\n");
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan sizeof (struct guid)) == 0) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_connect_me_client - connect ME client
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @priv: private file structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @timeout: connect timeout in seconds
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 1 - if connected, 0 - if not
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_connect_me_client(struct iamt_heci_device *dev,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("failed to call heci_connect for client_id=%d.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_remove_client_from_file_list(dev, priv->host_client_id);
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni err = cv_reltimedwait(&dev->wait_recvd_msg, &dev->device_lock,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_remove_client_from_file_list(dev, priv->host_client_id);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("failed to connect client_id=%d state=%d.\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * host_init_wd - heci initialization wd.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic void host_init_wd(struct iamt_heci_device *dev)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* look for WD client and connect to it */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* AMT mode */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (void) memcpy(dev->wd_data + HECI_WD_PARAMS_SIZE,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* find ME WD client */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan (void) heci_find_me_client(dev, &dev->wd_file_ext,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (HECI_FILE_CONNECTING == dev->wd_file_ext.state) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (heci_connect_me_client(dev, &dev->wd_file_ext, 15) == 1) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * host_init_iamthif - heci initialization iamthif client.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan heci_init_file_private(&dev->iamthif_file_ext, NULL);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan dev->iamthif_file_ext.state = HECI_FILE_DISCONNECTED;
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan /* find ME PTHI client */
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan i = heci_find_me_client(dev, &dev->iamthif_file_ext,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (dev->iamthif_file_ext.state != HECI_FILE_CONNECTING) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan ASSERT(dev->me_clients[i].props.max_msg_length == IAMTHIF_MTU);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (heci_connect_me_client(dev, &dev->iamthif_file_ext, 15) == 1) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_alloc_file_private - allocates a private file structure and set it up.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @file: the file structure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return The allocated file or NULL on failure
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan priv = kmem_zalloc(sizeof (struct heci_file_private), KM_SLEEP);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_free_file_private - free a private file structure that were previously
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * allocated by heci_alloc_file_private
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_free_file_private(struct heci_file_private *priv)
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan kmem_free(priv, sizeof (struct heci_file_private));
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_disconnect_host_client - send disconnect message to fw from host
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @file_ext: private data of the file object
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return 0 on success, <0 on failure.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_disconnect_host_client(struct iamt_heci_device *dev,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan priv_cb = kmem_zalloc(sizeof (struct heci_cb_private), KM_SLEEP);
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan DBG("add disconnect cb to control write list\n");
d3d50737e566cade9a08d73d2af95105ac7cd960Rafael Vanoni err = cv_reltimedwait(&dev->wait_recvd_msg, &dev->device_lock,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan " me_client_id:%d, host_client_id:%d\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan " me_client_id:%d, host_client_id:%d\n",
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_remove_client_from_file_list -
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * remove file private data from device file list
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @dev: Device object for our driver
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @host_client_id: host client id to be removed
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganheci_remove_client_from_file_list(struct iamt_heci_device *dev,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan list_for_each_entry_safe(file_pos, file_next, &dev->file_list, link,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan if (host_client_id == file_pos->host_client_id) {
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * heci_fe_same_id - tell if file private data have same id
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @fe1: private data of 1. file object
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @fe2: private data of 2. file object
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan * @return !=0 - if ids are the same, 0 - if differ.
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Loganstatic inline int heci_fe_same_id(struct heci_file_private *fe1,
617e2443dfc17fe44fd44c0675d6aad2ffc9df42Mark Logan return ((fe1->host_client_id == fe2->host_client_id) &&