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/* * Copyright (c) 2004-07 Applied Micro Circuits Corporation. * Copyright (c) 2004-05 Vinod Kashyap * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/dev/twa/tw_cl_externs.h 212008 2010-08-30 19:15:04Z delphij $ */ /* * AMCC'S 3ware driver for 9000 series storage controllers. * * Author: Vinod Kashyap * Modifications by: Adam Radford */ #ifndef TW_CL_EXTERNS_H #define TW_CL_EXTERNS_H /* * Data structures and functions global to the Common Layer. */ extern TW_INT8 tw_cli_fw_img[]; extern TW_INT32 tw_cli_fw_img_size; extern TW_INT8 *tw_cli_severity_string_table[]; /* Do controller initialization. */ extern TW_INT32 tw_cli_start_ctlr(struct tw_cli_ctlr_context *ctlr); /* Establish a logical connection with the firmware on the controller. */ extern TW_INT32 tw_cli_init_connection(struct tw_cli_ctlr_context *ctlr, TW_UINT16 message_credits, TW_UINT32 set_features, TW_UINT16 current_fw_srl, TW_UINT16 current_fw_arch_id, TW_UINT16 current_fw_branch, TW_UINT16 current_fw_build, TW_UINT16 *fw_on_ctlr_srl, TW_UINT16 *fw_on_ctlr_arch_id, TW_UINT16 *fw_on_ctlr_branch, TW_UINT16 *fw_on_ctlr_build, TW_UINT32 *init_connect_result); /* Functions in tw_cl_io.c */ /* Submit a command packet to the firmware on the controller. */ extern TW_INT32 tw_cli_submit_cmd(struct tw_cli_req_context *req); /* Get a firmware parameter. */ extern TW_INT32 tw_cli_get_param(struct tw_cli_ctlr_context *ctlr, TW_INT32 table_id, TW_INT32 parameter_id, TW_VOID *param_data, TW_INT32 size, TW_VOID (* callback)(struct tw_cli_req_context *req)); /* Set a firmware parameter. */ extern TW_INT32 tw_cli_set_param(struct tw_cli_ctlr_context *ctlr, TW_INT32 table_id, TW_INT32 param_id, TW_INT32 param_size, TW_VOID *data, TW_VOID (* callback)(struct tw_cli_req_context *req)); /* Submit a command to the firmware and poll for completion. */ extern TW_INT32 tw_cli_submit_and_poll_request(struct tw_cli_req_context *req, TW_UINT32 timeout); /* Soft reset the controller. */ extern TW_INT32 tw_cli_soft_reset(struct tw_cli_ctlr_context *ctlr); extern int twa_setup_intr(struct twa_softc *sc); extern int twa_teardown_intr(struct twa_softc *sc); /* Send down a SCSI command to the firmware (usually, an internal Req Sense. */ extern TW_INT32 tw_cli_send_scsi_cmd(struct tw_cli_req_context *req, TW_INT32 cmd); /* Get an AEN from the firmware (by sending down a Req Sense). */ extern TW_INT32 tw_cli_get_aen(struct tw_cli_ctlr_context *ctlr); /* Fill in the scatter/gather list. */ extern TW_VOID tw_cli_fill_sg_list(struct tw_cli_ctlr_context *ctlr, TW_VOID *sgl_src, TW_VOID *sgl_dest, TW_INT32 num_sgl_entries); /* Functions in tw_cl_intr.c */ /* Process a host interrupt. */ extern TW_VOID tw_cli_process_host_intr(struct tw_cli_ctlr_context *ctlr); /* Process an attention interrupt. */ extern TW_VOID tw_cli_process_attn_intr(struct tw_cli_ctlr_context *ctlr); /* Process a command interrupt. */ extern TW_VOID tw_cli_process_cmd_intr(struct tw_cli_ctlr_context *ctlr); /* Process a response interrupt from the controller. */ extern TW_INT32 tw_cli_process_resp_intr(struct tw_cli_ctlr_context *ctlr); /* Submit any requests in the pending queue to the firmware. */ extern TW_INT32 tw_cli_submit_pending_queue(struct tw_cli_ctlr_context *ctlr); /* Process all requests in the complete queue. */ extern TW_VOID tw_cli_process_complete_queue(struct tw_cli_ctlr_context *ctlr); /* CL internal callback for SCSI/fw passthru requests. */ extern TW_VOID tw_cli_complete_io(struct tw_cli_req_context *req); /* Completion routine for SCSI requests. */ extern TW_VOID tw_cli_scsi_complete(struct tw_cli_req_context *req); /* Callback for get/set param requests. */ extern TW_VOID tw_cli_param_callback(struct tw_cli_req_context *req); /* Callback for Req Sense commands to get AEN's. */ extern TW_VOID tw_cli_aen_callback(struct tw_cli_req_context *req); /* Decide what to do with a retrieved AEN. */ extern TW_UINT16 tw_cli_manage_aen(struct tw_cli_ctlr_context *ctlr, struct tw_cli_req_context *req); /* Enable controller interrupts. */ extern TW_VOID tw_cli_enable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); /* Disable controller interrupts. */ extern TW_VOID tw_cli_disable_interrupts(struct tw_cli_ctlr_context *ctlr_handle); /* Functions in tw_cl_misc.c */ /* Print if dbg_level is appropriate (by calling OS Layer). */ extern TW_VOID tw_cli_dbg_printf(TW_UINT8 dbg_level, struct tw_cl_ctlr_handle *ctlr_handle, const TW_INT8 *cur_func, TW_INT8 *fmt, ...); /* Describe meaning of each set bit in the given register. */ extern TW_INT8 *tw_cli_describe_bits(TW_UINT32 reg, TW_INT8 *str); /* Complete all requests in the complete queue with a RESET status. */ extern TW_VOID tw_cli_drain_complete_queue(struct tw_cli_ctlr_context *ctlr); /* Complete all requests in the busy queue with a RESET status. */ extern TW_VOID tw_cli_drain_busy_queue(struct tw_cli_ctlr_context *ctlr); /* Complete all requests in the pending queue with a RESET status. */ extern TW_VOID tw_cli_drain_pending_queue(struct tw_cli_ctlr_context *ctlr); /* Drain the controller response queue. */ extern TW_INT32 tw_cli_drain_response_queue(struct tw_cli_ctlr_context *ctlr); /* Find a particular response in the controller response queue. */ extern TW_INT32 tw_cli_find_response(struct tw_cli_ctlr_context *ctlr, TW_INT32 req_id); /* Drain the controller AEN queue. */ extern TW_INT32 tw_cli_drain_aen_queue(struct tw_cli_ctlr_context *ctlr); /* Determine if a given AEN has been posted by the firmware. */ extern TW_INT32 tw_cli_find_aen(struct tw_cli_ctlr_context *ctlr, TW_UINT16 aen_code); /* Poll for a given status to show up in the firmware status register. */ extern TW_INT32 tw_cli_poll_status(struct tw_cli_ctlr_context *ctlr, TW_UINT32 status, TW_UINT32 timeout); /* Get a free CL internal request context packet. */ extern struct tw_cli_req_context * tw_cli_get_request(struct tw_cli_ctlr_context *ctlr ); /* Notify OSL of controller info (fw/BIOS versions, etc.). */ extern TW_VOID tw_cli_notify_ctlr_info(struct tw_cli_ctlr_context *ctlr); /* Make sure that the firmware status register reports a proper status. */ extern TW_INT32 tw_cli_check_ctlr_state(struct tw_cli_ctlr_context *ctlr, TW_UINT32 status_reg); #endif /* TW_CL_EXTERNS_H */