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: src/sys/dev/twa/tw_cl_externs.h,v 1.3 2007/05/09 04:16:32 scottl Exp $ 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 49 extern TW_INT8 tw_cli_fw_img[]; 50 extern TW_INT32 tw_cli_fw_img_size; 51 extern TW_INT8 *tw_cli_severity_string_table[]; 52 53 54 /* Do controller initialization. */ 55 extern TW_INT32 tw_cli_start_ctlr(struct tw_cli_ctlr_context *ctlr); 56 57 /* Establish a logical connection with the firmware on the controller. */ 58 extern 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. */ 71 extern TW_INT32 tw_cli_submit_cmd(struct tw_cli_req_context *req); 72 73 /* Get a firmware parameter. */ 74 extern 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. */ 79 extern 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. */ 84 extern TW_INT32 tw_cli_submit_and_poll_request(struct tw_cli_req_context *req, 85 TW_UINT32 timeout); 86 87 /* Soft reset the controller. */ 88 extern TW_INT32 tw_cli_soft_reset(struct tw_cli_ctlr_context *ctlr); 89 90 /* Send down a SCSI command to the firmware (usually, an internal Req Sense. */ 91 extern TW_INT32 tw_cli_send_scsi_cmd(struct tw_cli_req_context *req, 92 TW_INT32 cmd); 93 94 /* Get an AEN from the firmware (by sending down a Req Sense). */ 95 extern TW_INT32 tw_cli_get_aen(struct tw_cli_ctlr_context *ctlr); 96 97 /* Fill in the scatter/gather list. */ 98 extern TW_VOID tw_cli_fill_sg_list(struct tw_cli_ctlr_context *ctlr, 99 TW_VOID *sgl_src, TW_VOID *sgl_dest, TW_INT32 num_sgl_entries); 100 101 102 103 /* Functions in tw_cl_intr.c */ 104 105 /* Process a host interrupt. */ 106 extern TW_VOID tw_cli_process_host_intr(struct tw_cli_ctlr_context *ctlr); 107 108 /* Process an attention interrupt. */ 109 extern TW_VOID tw_cli_process_attn_intr(struct tw_cli_ctlr_context *ctlr); 110 111 /* Process a command interrupt. */ 112 extern TW_VOID tw_cli_process_cmd_intr(struct tw_cli_ctlr_context *ctlr); 113 114 /* Process a response interrupt from the controller. */ 115 extern TW_INT32 tw_cli_process_resp_intr(struct tw_cli_ctlr_context *ctlr); 116 117 /* Submit any requests in the pending queue to the firmware. */ 118 extern TW_INT32 tw_cli_submit_pending_queue(struct tw_cli_ctlr_context *ctlr); 119 120 /* Process all requests in the complete queue. */ 121 extern TW_VOID tw_cli_process_complete_queue(struct tw_cli_ctlr_context *ctlr); 122 123 /* CL internal callback for SCSI/fw passthru requests. */ 124 extern TW_VOID tw_cli_complete_io(struct tw_cli_req_context *req); 125 126 /* Completion routine for SCSI requests. */ 127 extern TW_VOID tw_cli_scsi_complete(struct tw_cli_req_context *req); 128 129 /* Callback for get/set param requests. */ 130 extern TW_VOID tw_cli_param_callback(struct tw_cli_req_context *req); 131 132 /* Callback for Req Sense commands to get AEN's. */ 133 extern TW_VOID tw_cli_aen_callback(struct tw_cli_req_context *req); 134 135 /* Decide what to do with a retrieved AEN. */ 136 extern TW_UINT16 tw_cli_manage_aen(struct tw_cli_ctlr_context *ctlr, 137 struct tw_cli_req_context *req); 138 139 /* Enable controller interrupts. */ 140 extern TW_VOID 141 tw_cli_enable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); 142 143 /* Disable controller interrupts. */ 144 extern TW_VOID 145 tw_cli_disable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); 146 147 148 149 /* Functions in tw_cl_misc.c */ 150 151 /* Print if dbg_level is appropriate (by calling OS Layer). */ 152 extern TW_VOID tw_cli_dbg_printf(TW_UINT8 dbg_level, 153 struct tw_cl_ctlr_handle *ctlr_handle, const TW_INT8 *cur_func, 154 TW_INT8 *fmt, ...); 155 156 /* Describe meaning of each set bit in the given register. */ 157 extern TW_INT8 *tw_cli_describe_bits(TW_UINT32 reg, TW_INT8 *str); 158 159 /* Complete all requests in the complete queue with a RESET status. */ 160 extern TW_VOID tw_cli_drain_complete_queue(struct tw_cli_ctlr_context *ctlr); 161 162 /* Complete all requests in the busy queue with a RESET status. */ 163 extern TW_VOID tw_cli_drain_busy_queue(struct tw_cli_ctlr_context *ctlr); 164 165 /* Complete all requests in the pending queue with a RESET status. */ 166 extern TW_VOID tw_cli_drain_pending_queue(struct tw_cli_ctlr_context *ctlr); 167 168 /* Drain the controller response queue. */ 169 extern TW_INT32 tw_cli_drain_response_queue(struct tw_cli_ctlr_context *ctlr); 170 171 /* Find a particular response in the controller response queue. */ 172 extern TW_INT32 tw_cli_find_response(struct tw_cli_ctlr_context *ctlr, 173 TW_INT32 req_id); 174 175 /* Drain the controller AEN queue. */ 176 extern TW_INT32 tw_cli_drain_aen_queue(struct tw_cli_ctlr_context *ctlr); 177 178 /* Determine if a given AEN has been posted by the firmware. */ 179 extern TW_INT32 tw_cli_find_aen(struct tw_cli_ctlr_context *ctlr, 180 TW_UINT16 aen_code); 181 182 /* Poll for a given status to show up in the firmware status register. */ 183 extern TW_INT32 tw_cli_poll_status(struct tw_cli_ctlr_context *ctlr, 184 TW_UINT32 status, TW_UINT32 timeout); 185 186 /* Get a free CL internal request context packet. */ 187 extern struct tw_cli_req_context * 188 tw_cli_get_request(struct tw_cli_ctlr_context *ctlr 189 ); 190 191 /* Notify OSL of controller info (fw/BIOS versions, etc.). */ 192 extern TW_VOID tw_cli_notify_ctlr_info(struct tw_cli_ctlr_context *ctlr); 193 194 /* Make sure that the firmware status register reports a proper status. */ 195 extern TW_INT32 tw_cli_check_ctlr_state(struct tw_cli_ctlr_context *ctlr, 196 TW_UINT32 status_reg); 197 198 199 200 #endif /* TW_CL_EXTERNS_H */ 201