1/* 2 * Copyright (c) 2004-07 Applied Micro Circuits Corporation. 3 * Copyright (c) 2004-05 Vinod Kashyap 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: releng/11.0/sys/dev/twa/tw_cl_externs.h 212008 2010-08-30 19:15:04Z delphij $ 28 */ 29 30/* 31 * AMCC'S 3ware driver for 9000 series storage controllers. 32 * 33 * Author: Vinod Kashyap 34 * Modifications by: Adam Radford 35 */ 36 37 38 39#ifndef TW_CL_EXTERNS_H 40 41#define TW_CL_EXTERNS_H 42 43 44/* 45 * Data structures and functions global to the Common Layer. 46 */ 47 48 49extern TW_INT8 tw_cli_fw_img[]; 50extern TW_INT32 tw_cli_fw_img_size; 51extern TW_INT8 *tw_cli_severity_string_table[]; 52 53 54/* Do controller initialization. */ 55extern TW_INT32 tw_cli_start_ctlr(struct tw_cli_ctlr_context *ctlr); 56 57/* Establish a logical connection with the firmware on the controller. */ 58extern TW_INT32 tw_cli_init_connection(struct tw_cli_ctlr_context *ctlr, 59 TW_UINT16 message_credits, TW_UINT32 set_features, 60 TW_UINT16 current_fw_srl, TW_UINT16 current_fw_arch_id, 61 TW_UINT16 current_fw_branch, TW_UINT16 current_fw_build, 62 TW_UINT16 *fw_on_ctlr_srl, TW_UINT16 *fw_on_ctlr_arch_id, 63 TW_UINT16 *fw_on_ctlr_branch, TW_UINT16 *fw_on_ctlr_build, 64 TW_UINT32 *init_connect_result); 65 66 67 68/* Functions in tw_cl_io.c */ 69 70/* Submit a command packet to the firmware on the controller. */ 71extern TW_INT32 tw_cli_submit_cmd(struct tw_cli_req_context *req); 72 73/* Get a firmware parameter. */ 74extern TW_INT32 tw_cli_get_param(struct tw_cli_ctlr_context *ctlr, 75 TW_INT32 table_id, TW_INT32 parameter_id, TW_VOID *param_data, 76 TW_INT32 size, TW_VOID (* callback)(struct tw_cli_req_context *req)); 77 78/* Set a firmware parameter. */ 79extern TW_INT32 tw_cli_set_param(struct tw_cli_ctlr_context *ctlr, 80 TW_INT32 table_id, TW_INT32 param_id, TW_INT32 param_size, 81 TW_VOID *data, TW_VOID (* callback)(struct tw_cli_req_context *req)); 82 83/* Submit a command to the firmware and poll for completion. */ 84extern TW_INT32 tw_cli_submit_and_poll_request(struct tw_cli_req_context *req, 85 TW_UINT32 timeout); 86 87/* Soft reset the controller. */ 88extern TW_INT32 tw_cli_soft_reset(struct tw_cli_ctlr_context *ctlr); 89extern int twa_setup_intr(struct twa_softc *sc); 90extern int twa_teardown_intr(struct twa_softc *sc); 91 92/* Send down a SCSI command to the firmware (usually, an internal Req Sense. */ 93extern TW_INT32 tw_cli_send_scsi_cmd(struct tw_cli_req_context *req, 94 TW_INT32 cmd); 95 96/* Get an AEN from the firmware (by sending down a Req Sense). */ 97extern TW_INT32 tw_cli_get_aen(struct tw_cli_ctlr_context *ctlr); 98 99/* Fill in the scatter/gather list. */ 100extern TW_VOID tw_cli_fill_sg_list(struct tw_cli_ctlr_context *ctlr, 101 TW_VOID *sgl_src, TW_VOID *sgl_dest, TW_INT32 num_sgl_entries); 102 103 104 105/* Functions in tw_cl_intr.c */ 106 107/* Process a host interrupt. */ 108extern TW_VOID tw_cli_process_host_intr(struct tw_cli_ctlr_context *ctlr); 109 110/* Process an attention interrupt. */ 111extern TW_VOID tw_cli_process_attn_intr(struct tw_cli_ctlr_context *ctlr); 112 113/* Process a command interrupt. */ 114extern TW_VOID tw_cli_process_cmd_intr(struct tw_cli_ctlr_context *ctlr); 115 116/* Process a response interrupt from the controller. */ 117extern TW_INT32 tw_cli_process_resp_intr(struct tw_cli_ctlr_context *ctlr); 118 119/* Submit any requests in the pending queue to the firmware. */ 120extern TW_INT32 tw_cli_submit_pending_queue(struct tw_cli_ctlr_context *ctlr); 121 122/* Process all requests in the complete queue. */ 123extern TW_VOID tw_cli_process_complete_queue(struct tw_cli_ctlr_context *ctlr); 124 125/* CL internal callback for SCSI/fw passthru requests. */ 126extern TW_VOID tw_cli_complete_io(struct tw_cli_req_context *req); 127 128/* Completion routine for SCSI requests. */ 129extern TW_VOID tw_cli_scsi_complete(struct tw_cli_req_context *req); 130 131/* Callback for get/set param requests. */ 132extern TW_VOID tw_cli_param_callback(struct tw_cli_req_context *req); 133 134/* Callback for Req Sense commands to get AEN's. */ 135extern TW_VOID tw_cli_aen_callback(struct tw_cli_req_context *req); 136 137/* Decide what to do with a retrieved AEN. */ 138extern TW_UINT16 tw_cli_manage_aen(struct tw_cli_ctlr_context *ctlr, 139 struct tw_cli_req_context *req); 140 141/* Enable controller interrupts. */ 142extern TW_VOID 143 tw_cli_enable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); 144 145/* Disable controller interrupts. */ 146extern TW_VOID 147 tw_cli_disable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); 148 149 150 151/* Functions in tw_cl_misc.c */ 152 153/* Print if dbg_level is appropriate (by calling OS Layer). */ 154extern TW_VOID tw_cli_dbg_printf(TW_UINT8 dbg_level, 155 struct tw_cl_ctlr_handle *ctlr_handle, const TW_INT8 *cur_func, 156 TW_INT8 *fmt, ...); 157 158/* Describe meaning of each set bit in the given register. */ 159extern TW_INT8 *tw_cli_describe_bits(TW_UINT32 reg, TW_INT8 *str); 160 161/* Complete all requests in the complete queue with a RESET status. */ 162extern TW_VOID tw_cli_drain_complete_queue(struct tw_cli_ctlr_context *ctlr); 163 164/* Complete all requests in the busy queue with a RESET status. */ 165extern TW_VOID tw_cli_drain_busy_queue(struct tw_cli_ctlr_context *ctlr); 166 167/* Complete all requests in the pending queue with a RESET status. */ 168extern TW_VOID tw_cli_drain_pending_queue(struct tw_cli_ctlr_context *ctlr); 169 170/* Drain the controller response queue. */ 171extern TW_INT32 tw_cli_drain_response_queue(struct tw_cli_ctlr_context *ctlr); 172 173/* Find a particular response in the controller response queue. */ 174extern TW_INT32 tw_cli_find_response(struct tw_cli_ctlr_context *ctlr, 175 TW_INT32 req_id); 176 177/* Drain the controller AEN queue. */ 178extern TW_INT32 tw_cli_drain_aen_queue(struct tw_cli_ctlr_context *ctlr); 179 180/* Determine if a given AEN has been posted by the firmware. */ 181extern TW_INT32 tw_cli_find_aen(struct tw_cli_ctlr_context *ctlr, 182 TW_UINT16 aen_code); 183 184/* Poll for a given status to show up in the firmware status register. */ 185extern TW_INT32 tw_cli_poll_status(struct tw_cli_ctlr_context *ctlr, 186 TW_UINT32 status, TW_UINT32 timeout); 187 188/* Get a free CL internal request context packet. */ 189extern struct tw_cli_req_context * 190 tw_cli_get_request(struct tw_cli_ctlr_context *ctlr 191 ); 192 193/* Notify OSL of controller info (fw/BIOS versions, etc.). */ 194extern TW_VOID tw_cli_notify_ctlr_info(struct tw_cli_ctlr_context *ctlr); 195 196/* Make sure that the firmware status register reports a proper status. */ 197extern TW_INT32 tw_cli_check_ctlr_state(struct tw_cli_ctlr_context *ctlr, 198 TW_UINT32 status_reg); 199 200 201 202#endif /* TW_CL_EXTERNS_H */ 203