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NetBSD/sys/dev/ic/aacvar.h

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/* $NetBSD: aacvar.h,v 1.4 2004/09/13 12:55:47 drochner Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* Copyright (c) 2000 Niklas Hallqvist
* 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.
*
* from FreeBSD: aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp
* via OpenBSD: aacvar.h,v 1.2 2002/03/14 01:26:53 millert Exp
*/
#ifndef _PCI_AACVAR_H_
#define _PCI_AACVAR_H_
/* Debugging */
#ifdef AAC_DEBUG
#define AAC_DPRINTF(mask, args) if ((aac_debug & (mask)) != 0) printf args
#define AAC_D_INTR 0x01
#define AAC_D_MISC 0x02
#define AAC_D_CMD 0x04
#define AAC_D_QUEUE 0x08
#define AAC_D_IO 0x10
extern int aac_debug;
#define AAC_PRINT_FIB(sc, fib) aac_print_fib((sc), (fib), __FUNCTION__)
#else
#define AAC_DPRINTF(mask, args)
#define AAC_PRINT_FIB(sc, fib)
#endif
struct aac_code_lookup {
char *string;
u_int32_t code;
};
extern const struct aac_code_lookup aac_command_status_table[];
extern const struct aac_code_lookup aac_container_types[];
struct aac_softc;
/*
* We allocate a small set of FIBs for the adapter to use to send us messages.
*/
#define AAC_ADAPTER_FIBS 8
/*
* Firmware messages are passed in the printf buffer.
*/
#define AAC_PRINTF_BUFSIZE 256
/*
* We wait this many seconds for the adapter to come ready if it is still
* booting.
*/
#define AAC_BOOT_TIMEOUT (3 * 60)
/*
* Wait this long for a lost interrupt to get detected.
*/
#define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */
/*
* Timeout for immediate commands.
*/
#define AAC_IMMEDIATE_TIMEOUT 30
/*
* Delay 20ms after the qnotify in sync operations. Experimentally deduced.
*/
#define AAC_SYNC_DELAY 20000
/*
* The firmware interface allows for a 16-bit s/g list length. We limit
* ourselves to a reasonable maximum and ensure alignment.
*/
#define AAC_MAX_SGENTRIES 17 /* max S/G entries, limit 65535 */
#define AAC_MAX_XFER ((AAC_MAX_SGENTRIES - 1) * PAGE_SIZE)
/*
* Fixed sector size.
*/
#define AAC_SECTOR_SIZE 512
/*
* Number of CCBs to allocate, and to reserve for control operations.
*/
#define AAC_NCCBS 256
#define AAC_NCCBS_RESERVE 4
/*
* Quirk listings.
*/
#define AAC_QUIRK_PERC2QC 0x0001
/*
* We gather a number of adapter-visible items into a single structure.
*
* The ordering of this structure may be important; we copy the Linux driver:
*
* Adapter FIBs
* Init struct
* Queue headers (Comm Area)
* Printf buffer
*
* In addition, we add:
* Sync Fib
*/
struct aac_common {
/* fibs for the controller to send us messages */
struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
/* the init structure */
struct aac_adapter_init ac_init;
/* arena within which the queue structures are kept */
u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
/* buffer for text messages from the controller */
char ac_printf[AAC_PRINTF_BUFSIZE];
/* fib for synchronous commands */
struct aac_fib ac_sync_fib;
};
/*
* Interface operations
*/
struct aac_interface {
int (*aif_get_fwstatus)(struct aac_softc *);
void (*aif_qnotify)(struct aac_softc *, int);
int (*aif_get_istatus)(struct aac_softc *);
void (*aif_set_istatus)(struct aac_softc *, int);
void (*aif_set_mailbox)(struct aac_softc *, u_int32_t,
u_int32_t, u_int32_t, u_int32_t, u_int32_t);
int (*aif_get_mailboxstatus)(struct aac_softc *);
void (*aif_set_interrupts)(struct aac_softc *, int);
};
#define AAC_GET_FWSTATUS(sc) ((sc)->sc_if.aif_get_fwstatus(sc))
#define AAC_QNOTIFY(sc, qbit) \
((sc)->sc_if.aif_qnotify((sc), (qbit)))
#define AAC_GET_ISTATUS(sc) ((sc)->sc_if.aif_get_istatus(sc))
#define AAC_CLEAR_ISTATUS(sc, mask) \
((sc)->sc_if.aif_set_istatus((sc), (mask)))
#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
do { \
((sc)->sc_if.aif_set_mailbox((sc), (command), (arg0), \
(arg1), (arg2), (arg3))); \
} while(0)
#define AAC_GET_MAILBOXSTATUS(sc) \
((sc)->sc_if.aif_get_mailboxstatus(sc))
#define AAC_MASK_INTERRUPTS(sc) \
((sc)->sc_if.aif_set_interrupts((sc), 0))
#define AAC_UNMASK_INTERRUPTS(sc) \
((sc)->sc_if.aif_set_interrupts((sc), 1))
#define AAC_SETREG4(sc, reg, val) \
bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
#define AAC_GETREG4(sc, reg) \
bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg))
#define AAC_SETREG2(sc, reg, val) \
bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
#define AAC_GETREG2(sc, reg) \
bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (reg))
#define AAC_SETREG1(sc, reg, val) \
bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
#define AAC_GETREG1(sc, reg) \
bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (reg))
/*
* A command contol block, one for each corresponding command index of the
* controller.
*/
struct aac_ccb {
SIMPLEQ_ENTRY(aac_ccb) ac_chain;
struct aac_fib *ac_fib;
bus_addr_t ac_fibphys;
bus_dmamap_t ac_dmamap_xfer;
void *ac_data;
size_t ac_datalen;
u_int ac_flags;
void (*ac_intr)(struct aac_ccb *);
struct device *ac_device;
void *ac_context;
};
#define AAC_CCB_MAPPED 0x01
#define AAC_CCB_COMPLETED 0x02
#define AAC_CCB_DATA_IN 0x04
#define AAC_CCB_DATA_OUT 0x08
struct aac_drive {
u_int hd_present;
u_int hd_devtype;
u_int hd_size;
};
/*
* Per-controller structure.
*/
struct aac_softc {
struct device sc_dv;
void *sc_ih;
bus_space_tag_t sc_memt;
bus_space_handle_t sc_memh;
bus_dma_tag_t sc_dmat;
struct FsaRevision sc_revision;
int sc_hwif;
int sc_quirks;
struct aac_interface sc_if;
struct aac_common *sc_common;
bus_dma_segment_t sc_common_seg;
bus_dmamap_t sc_common_dmamap;
struct aac_fib *sc_fibs;
bus_dma_segment_t sc_fibs_seg;
bus_dmamap_t sc_fibs_dmamap;
struct aac_ccb *sc_ccbs;
SIMPLEQ_HEAD(, aac_ccb) sc_ccb_free;
SIMPLEQ_HEAD(, aac_ccb) sc_ccb_queue;
SIMPLEQ_HEAD(, aac_ccb) sc_ccb_complete;
struct aac_queue_table *sc_queues;
struct aac_queue_entry *sc_qentries[AAC_QUEUE_COUNT];
struct aac_drive sc_hdr[AAC_MAX_CONTAINERS];
int sc_nunits;
int sc_flags;
};
#define AAC_HWIF_I960RX 0
#define AAC_HWIF_STRONGARM 1
#define AAC_ONLINE 2
struct aac_attach_args {
int aaca_unit;
};
int aac_attach(struct aac_softc *);
void aac_ccb_enqueue(struct aac_softc *, struct aac_ccb *);
void aac_ccb_free(struct aac_softc *, struct aac_ccb *);
struct aac_ccb *aac_ccb_alloc(struct aac_softc *, int);
int aac_ccb_map(struct aac_softc *, struct aac_ccb *);
int aac_ccb_poll(struct aac_softc *, struct aac_ccb *, int);
int aac_ccb_submit(struct aac_softc *, struct aac_ccb *);
void aac_ccb_unmap(struct aac_softc *, struct aac_ccb *);
const char *aac_describe_code(const struct aac_code_lookup *, u_int32_t);
int aac_intr(void *);
#endif /* !_PCI_AACVAR_H_ */
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