321 lines
10 KiB
C
321 lines
10 KiB
C
/* $NetBSD: aacvar.h,v 1.8 2005/12/11 12:21:25 christos Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* Copyright (c) 2000 Niklas Hallqvist
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from FreeBSD: aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp
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* via OpenBSD: aacvar.h,v 1.2 2002/03/14 01:26:53 millert Exp
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*/
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#ifndef _PCI_AACVAR_H_
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#define _PCI_AACVAR_H_
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/* Debugging */
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#ifdef AAC_DEBUG
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#define AAC_DPRINTF(mask, args) if ((aac_debug & (mask)) != 0) printf args
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#define AAC_D_INTR 0x01
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#define AAC_D_MISC 0x02
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#define AAC_D_CMD 0x04
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#define AAC_D_QUEUE 0x08
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#define AAC_D_IO 0x10
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extern int aac_debug;
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#define AAC_PRINT_FIB(sc, fib) aac_print_fib((sc), (fib), __FUNCTION__)
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#else
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#define AAC_DPRINTF(mask, args)
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#define AAC_PRINT_FIB(sc, fib)
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#endif
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struct aac_code_lookup {
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const char *string;
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u_int32_t code;
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};
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extern const struct aac_code_lookup aac_command_status_table[];
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extern const struct aac_code_lookup aac_container_types[];
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struct aac_softc;
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/*
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* We allocate a small set of FIBs for the adapter to use to send us messages.
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*/
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#define AAC_ADAPTER_FIBS 8
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/*
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* Firmware messages are passed in the printf buffer.
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*/
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#define AAC_PRINTF_BUFSIZE 256
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/*
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* We wait this many seconds for the adapter to come ready if it is still
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* booting.
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*/
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#define AAC_BOOT_TIMEOUT (3 * 60)
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/*
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* Wait this long for a lost interrupt to get detected.
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*/
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#define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */
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/*
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* Timeout for immediate commands.
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*/
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#define AAC_IMMEDIATE_TIMEOUT 30
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/*
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* Delay 20ms after the qnotify in sync operations. Experimentally deduced.
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*/
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#define AAC_SYNC_DELAY 20000
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/*
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* The firmware interface allows for a 16-bit s/g list length. We limit
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* ourselves to a reasonable maximum and ensure alignment.
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*/
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#define AAC_MAX_SGENTRIES 17 /* max S/G entries, limit 65535 */
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#define AAC_MAX_XFER ((AAC_MAX_SGENTRIES - 1) * PAGE_SIZE)
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/*
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* Fixed sector size.
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*/
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#define AAC_SECTOR_SIZE 512
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/*
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* Number of CCBs to allocate, and to reserve for control operations.
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*/
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#define AAC_NCCBS 256
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#define AAC_NCCBS_RESERVE 4
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/*
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* Quirk listings.
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*/
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#define AAC_QUIRK_PERC2QC (1 << 0) /* Dell PERC 2QC */
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#define AAC_QUIRK_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
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#define AAC_QUIRK_4GB_WINDOW (1 << 5) /* Device can access host mem
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* in 2GB-4GB range */
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#define AAC_QUIRK_NO4GB (1 << 6) /* Can't access host mem >2GB */
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#define AAC_QUIRK_256FIBS (1 << 7) /* Can only handle 256 cmds */
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#define AAC_QUIRK_BROKEN_MMAP (1 << 8) /* Broken HostPhysMemPages */
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/*
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* We gather a number of adapter-visible items into a single structure.
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*
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* The ordering of this structure may be important; we copy the Linux driver:
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*
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* Adapter FIBs
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* Init struct
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* Queue headers (Comm Area)
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* Printf buffer
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*
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* In addition, we add:
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* Sync Fib
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*/
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struct aac_common {
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/* fibs for the controller to send us messages */
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struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
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/* the init structure */
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struct aac_adapter_init ac_init;
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/* arena within which the queue structures are kept */
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u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
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/* buffer for text messages from the controller */
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char ac_printf[AAC_PRINTF_BUFSIZE];
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/* fib for synchronous commands */
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struct aac_fib ac_sync_fib;
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};
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/*
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* Interface operations
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*/
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struct aac_interface {
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int (*aif_get_fwstatus)(struct aac_softc *);
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void (*aif_qnotify)(struct aac_softc *, int);
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int (*aif_get_istatus)(struct aac_softc *);
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void (*aif_set_istatus)(struct aac_softc *, int);
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void (*aif_set_mailbox)(struct aac_softc *, u_int32_t,
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u_int32_t, u_int32_t, u_int32_t, u_int32_t);
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uint32_t (*aif_get_mailbox)(struct aac_softc *, int);
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void (*aif_set_interrupts)(struct aac_softc *, int);
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};
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#define AAC_GET_FWSTATUS(sc) ((sc)->sc_if.aif_get_fwstatus(sc))
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#define AAC_QNOTIFY(sc, qbit) \
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((sc)->sc_if.aif_qnotify((sc), (qbit)))
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#define AAC_GET_ISTATUS(sc) ((sc)->sc_if.aif_get_istatus(sc))
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#define AAC_CLEAR_ISTATUS(sc, mask) \
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((sc)->sc_if.aif_set_istatus((sc), (mask)))
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#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
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do { \
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((sc)->sc_if.aif_set_mailbox((sc), (command), (arg0), \
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(arg1), (arg2), (arg3))); \
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} while(0)
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#define AAC_GET_MAILBOX(sc, mb) ((sc)->sc_if.aif_get_mailbox(sc, mb))
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#define AAC_GET_MAILBOXSTATUS(sc) (AAC_GET_MAILBOX(sc, 0))
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#define AAC_MASK_INTERRUPTS(sc) \
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((sc)->sc_if.aif_set_interrupts((sc), 0))
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#define AAC_UNMASK_INTERRUPTS(sc) \
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((sc)->sc_if.aif_set_interrupts((sc), 1))
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#define AAC_SETREG4(sc, reg, val) \
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bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
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#define AAC_GETREG4(sc, reg) \
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bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg))
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#define AAC_SETREG2(sc, reg, val) \
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bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
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#define AAC_GETREG2(sc, reg) \
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bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (reg))
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#define AAC_SETREG1(sc, reg, val) \
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bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
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#define AAC_GETREG1(sc, reg) \
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bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (reg))
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/*
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* A command contol block, one for each corresponding command index of the
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* controller.
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*/
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struct aac_ccb {
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SIMPLEQ_ENTRY(aac_ccb) ac_chain;
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struct aac_fib *ac_fib;
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bus_addr_t ac_fibphys;
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bus_dmamap_t ac_dmamap_xfer;
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void *ac_data;
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size_t ac_datalen;
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u_int ac_flags;
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void (*ac_intr)(struct aac_ccb *);
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struct device *ac_device;
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void *ac_context;
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};
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#define AAC_CCB_MAPPED 0x01
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#define AAC_CCB_COMPLETED 0x02
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#define AAC_CCB_DATA_IN 0x04
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#define AAC_CCB_DATA_OUT 0x08
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struct aac_drive {
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u_int hd_present;
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u_int hd_devtype;
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u_int hd_size;
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};
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/*
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* Per-controller structure.
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*/
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struct aac_softc {
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struct device sc_dv;
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void *sc_ih;
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bus_space_tag_t sc_memt;
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bus_space_handle_t sc_memh;
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bus_dma_tag_t sc_dmat;
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struct FsaRevision sc_revision;
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int sc_hwif;
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int sc_quirks;
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struct aac_interface sc_if;
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struct aac_common *sc_common;
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bus_dma_segment_t sc_common_seg;
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bus_dmamap_t sc_common_dmamap;
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struct aac_fib *sc_fibs;
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bus_dma_segment_t sc_fibs_seg;
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bus_dmamap_t sc_fibs_dmamap;
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struct aac_ccb *sc_ccbs;
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SIMPLEQ_HEAD(, aac_ccb) sc_ccb_free;
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SIMPLEQ_HEAD(, aac_ccb) sc_ccb_queue;
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SIMPLEQ_HEAD(, aac_ccb) sc_ccb_complete;
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struct aac_queue_table *sc_queues;
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struct aac_queue_entry *sc_qentries[AAC_QUEUE_COUNT];
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struct aac_drive sc_hdr[AAC_MAX_CONTAINERS];
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int sc_nunits;
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int sc_flags;
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uint32_t sc_supported_options;
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};
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#define AAC_HWIF_I960RX 0
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#define AAC_HWIF_STRONGARM 1
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#define AAC_ONLINE 2
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struct aac_attach_args {
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int aaca_unit;
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};
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int aac_attach(struct aac_softc *);
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void aac_ccb_enqueue(struct aac_softc *, struct aac_ccb *);
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void aac_ccb_free(struct aac_softc *, struct aac_ccb *);
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struct aac_ccb *aac_ccb_alloc(struct aac_softc *, int);
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int aac_ccb_map(struct aac_softc *, struct aac_ccb *);
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int aac_ccb_poll(struct aac_softc *, struct aac_ccb *, int);
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int aac_ccb_submit(struct aac_softc *, struct aac_ccb *);
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void aac_ccb_unmap(struct aac_softc *, struct aac_ccb *);
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const char *aac_describe_code(const struct aac_code_lookup *, u_int32_t);
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int aac_intr(void *);
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#endif /* !_PCI_AACVAR_H_ */
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