281 lines
8.9 KiB
C
281 lines
8.9 KiB
C
/*-
|
|
* FreeBSD platform specific driver option settings, data structures,
|
|
* function declarations and includes.
|
|
*
|
|
* Copyright (c) 1994-2001 Justin T. Gibbs.
|
|
* Copyright (c) 2001-2002 Adaptec Inc.
|
|
* 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,
|
|
* without modification.
|
|
* 2. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU Public License ("GPL").
|
|
*
|
|
* 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.
|
|
*
|
|
* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.h#23 $
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _AIC79XX_FREEBSD_H_
|
|
#define _AIC79XX_FREEBSD_H_
|
|
|
|
#include <opt_aic79xx.h> /* for config options */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h> /* For device_t */
|
|
#if __FreeBSD_version >= 500000
|
|
#include <sys/endian.h>
|
|
#endif
|
|
#include <sys/eventhandler.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#define AIC_PCI_CONFIG 1
|
|
#include <machine/bus.h>
|
|
#include <machine/endian.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <sys/rman.h>
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#else
|
|
#include <pci/pcireg.h>
|
|
#include <pci/pcivar.h>
|
|
#endif
|
|
|
|
#include <cam/cam.h>
|
|
#include <cam/cam_ccb.h>
|
|
#include <cam/cam_debug.h>
|
|
#include <cam/cam_sim.h>
|
|
#include <cam/cam_xpt_sim.h>
|
|
|
|
#include <cam/scsi/scsi_all.h>
|
|
#include <cam/scsi/scsi_message.h>
|
|
#include <cam/scsi/scsi_iu.h>
|
|
|
|
/****************************** Platform Macros *******************************/
|
|
#define SIM_IS_SCSIBUS_B(ahd, sim) \
|
|
(0)
|
|
#define SIM_CHANNEL(ahd, sim) \
|
|
('A')
|
|
#define SIM_SCSI_ID(ahd, sim) \
|
|
(ahd->our_id)
|
|
#define SIM_PATH(ahd, sim) \
|
|
(ahd->platform_data->path)
|
|
#define BUILD_SCSIID(ahd, sim, target_id, our_id) \
|
|
((((target_id) << TID_SHIFT) & TID) | (our_id))
|
|
|
|
|
|
#define SCB_GET_SIM(ahd, scb) \
|
|
((ahd)->platform_data->sim)
|
|
|
|
#ifndef offsetof
|
|
#define offsetof(type, member) ((size_t)(&((type *)0)->member))
|
|
#endif
|
|
|
|
/************************ Tunable Driver Parameters **************************/
|
|
/*
|
|
* The number of dma segments supported. The sequencer can handle any number
|
|
* of physically contiguous S/G entrys. To reduce the driver's memory
|
|
* consumption, we limit the number supported to be sufficient to handle
|
|
* the largest mapping supported by the legacy kernel MAXPHYS setting of
|
|
* 128K. This can be increased once some testing is done. Assuming the
|
|
* transfer is as fragmented as possible and unaligned, this turns out to
|
|
* be the number of paged sized transfers in MAXPHYS plus an extra element
|
|
* to handle any unaligned residual. The sequencer fetches SG elements
|
|
* in cacheline sized chucks, so make the number per-transaction an even
|
|
* multiple of 16 which should align us on even the largest of cacheline
|
|
* boundaries.
|
|
*/
|
|
#define AHD_MAXPHYS (128 * 1024)
|
|
#define AHD_NSEG (roundup(btoc(AHD_MAXPHYS) + 1, 16))
|
|
|
|
/* This driver supports target mode */
|
|
#ifdef NOT_YET
|
|
#define AHD_TARGET_MODE 1
|
|
#endif
|
|
|
|
/************************** Softc/SCB Platform Data ***************************/
|
|
struct ahd_platform_data {
|
|
/*
|
|
* Hooks into the XPT.
|
|
*/
|
|
struct cam_sim *sim;
|
|
struct cam_path *path;
|
|
|
|
int regs_res_type[2];
|
|
int regs_res_id[2];
|
|
int irq_res_type;
|
|
struct resource *regs[2];
|
|
struct resource *irq;
|
|
void *ih;
|
|
eventhandler_tag eh;
|
|
struct proc *recovery_thread;
|
|
struct mtx mtx;
|
|
};
|
|
|
|
struct scb_platform_data {
|
|
};
|
|
|
|
/***************************** Core Includes **********************************/
|
|
#ifdef AHD_REG_PRETTY_PRINT
|
|
#define AIC_DEBUG_REGISTERS 1
|
|
#else
|
|
#define AIC_DEBUG_REGISTERS 0
|
|
#endif
|
|
#define AIC_CORE_INCLUDE <dev/aic7xxx/aic79xx.h>
|
|
#define AIC_LIB_PREFIX ahd
|
|
#define AIC_CONST_PREFIX AHD
|
|
#include <dev/aic7xxx/aic_osm_lib.h>
|
|
|
|
/*************************** Device Access ************************************/
|
|
#define ahd_inb(ahd, port) \
|
|
bus_space_read_1((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], (port) & 0xFF)
|
|
|
|
#define ahd_outb(ahd, port, value) \
|
|
bus_space_write_1((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], (port) & 0xFF, value)
|
|
|
|
#define ahd_inw_atomic(ahd, port) \
|
|
aic_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], (port) & 0xFF))
|
|
|
|
#define ahd_outw_atomic(ahd, port, value) \
|
|
bus_space_write_2((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], \
|
|
(port & 0xFF), aic_htole16(value))
|
|
|
|
#define ahd_outsb(ahd, port, valp, count) \
|
|
bus_space_write_multi_1((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], \
|
|
(port & 0xFF), valp, count)
|
|
|
|
#define ahd_insb(ahd, port, valp, count) \
|
|
bus_space_read_multi_1((ahd)->tags[(port) >> 8], \
|
|
(ahd)->bshs[(port) >> 8], \
|
|
(port & 0xFF), valp, count)
|
|
|
|
static __inline void ahd_flush_device_writes(struct ahd_softc *);
|
|
|
|
static __inline void
|
|
ahd_flush_device_writes(struct ahd_softc *ahd)
|
|
{
|
|
/* XXX Is this sufficient for all architectures??? */
|
|
ahd_inb(ahd, INTSTAT);
|
|
}
|
|
|
|
/**************************** Locking Primitives ******************************/
|
|
/* Lock protecting internal data structures */
|
|
static __inline void ahd_lockinit(struct ahd_softc *);
|
|
static __inline void ahd_lock(struct ahd_softc *);
|
|
static __inline void ahd_unlock(struct ahd_softc *);
|
|
|
|
static __inline void
|
|
ahd_lockinit(struct ahd_softc *ahd)
|
|
{
|
|
mtx_init(&ahd->platform_data->mtx, "ahd_lock", NULL, MTX_DEF);
|
|
}
|
|
|
|
static __inline void
|
|
ahd_lock(struct ahd_softc *ahd)
|
|
{
|
|
mtx_lock(&ahd->platform_data->mtx);
|
|
}
|
|
|
|
static __inline void
|
|
ahd_unlock(struct ahd_softc *ahd)
|
|
{
|
|
mtx_unlock(&ahd->platform_data->mtx);
|
|
}
|
|
|
|
/********************************** PCI ***************************************/
|
|
int ahd_pci_map_registers(struct ahd_softc *ahd);
|
|
int ahd_pci_map_int(struct ahd_softc *ahd);
|
|
|
|
/************************** Transaction Operations ****************************/
|
|
static __inline void aic_freeze_simq(struct aic_softc*);
|
|
static __inline void aic_release_simq(struct aic_softc*);
|
|
|
|
static __inline void
|
|
aic_freeze_simq(struct aic_softc *aic)
|
|
{
|
|
xpt_freeze_simq(aic->platform_data->sim, /*count*/1);
|
|
}
|
|
|
|
static __inline void
|
|
aic_release_simq(struct aic_softc *aic)
|
|
{
|
|
xpt_release_simq(aic->platform_data->sim, /*run queue*/TRUE);
|
|
}
|
|
/********************************* Debug **************************************/
|
|
static __inline void ahd_print_path(struct ahd_softc *, struct scb *);
|
|
static __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd);
|
|
|
|
static __inline void
|
|
ahd_print_path(struct ahd_softc *ahd, struct scb *scb)
|
|
{
|
|
xpt_print_path(scb->io_ctx->ccb_h.path);
|
|
}
|
|
|
|
static __inline void
|
|
ahd_platform_dump_card_state(struct ahd_softc *ahd)
|
|
{
|
|
/* Nothing to do here for FreeBSD */
|
|
}
|
|
/**************************** Transfer Settings *******************************/
|
|
void ahd_notify_xfer_settings_change(struct ahd_softc *,
|
|
struct ahd_devinfo *);
|
|
void ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *,
|
|
int /*enable*/);
|
|
|
|
/************************* Initialization/Teardown ****************************/
|
|
int ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg);
|
|
void ahd_platform_free(struct ahd_softc *ahd);
|
|
int ahd_map_int(struct ahd_softc *ahd);
|
|
int ahd_attach(struct ahd_softc *);
|
|
int ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd);
|
|
void ahd_sysctl(struct ahd_softc *ahd);
|
|
int ahd_detach(device_t);
|
|
#define ahd_platform_init(arg)
|
|
|
|
|
|
/****************************** Interrupts ************************************/
|
|
void ahd_platform_intr(void *);
|
|
static __inline void ahd_platform_flushwork(struct ahd_softc *ahd);
|
|
static __inline void
|
|
ahd_platform_flushwork(struct ahd_softc *ahd)
|
|
{
|
|
}
|
|
|
|
/************************ Misc Function Declarations **************************/
|
|
void ahd_done(struct ahd_softc *ahd, struct scb *scb);
|
|
void ahd_send_async(struct ahd_softc *, char /*channel*/,
|
|
u_int /*target*/, u_int /*lun*/, ac_code, void *arg);
|
|
#endif /* _AIC79XX_FREEBSD_H_ */
|