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freebsd-nq/sys/dev/aic7xxx/aic_osm_lib.h
Justin T. Gibbs 7afc02188a Add an ISA attachement to the aic7xxx driver to handle 284X controllers. 
The ISA probe uses an identify routine to probe all slot locations from
1 to 14 that do not conflict with other allocated resources.  This required
making aic7770.c part of the driver core when compiled as a module.

aic7xxx.c:
aic79xx.c:
aic_osm_lib.c:
	Use aic_scb_timer_start() consistently to start the watchdog timer.
	This removes a few places that verbatum copied the code in
	aic_scb_timer_start().

	During recovery processing, allow commands to still be queued to
	the controller.  The only requirement we have is that our recovery
	command be queued first - something the code already guaranteed.
	The only other change required to make this work is to prevent
	timers from being started for these newly queued commands.

Approved by: re
2004-08-17 00:14:31 +00:00

443 lines
14 KiB
C
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/*
* FreeBSD platform specific, shared driver option settings, data structures,
* function declarations and includes.
*
* Copyright (c) 1994-2001 Justin T. Gibbs.
* Copyright (c) 2001-2003 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/aic_osm_lib.h#5 $
*
* $FreeBSD$
*/
/******************************** OS Includes *********************************/
#if __FreeBSD_version >= 500000
#include <sys/mutex.h>
#endif
/*************************** Library Symbol Mapping ***************************/
#define AIC_LIB_ENTRY_CONCAT(x, prefix) prefix ## x
#define AIC_LIB_ENTRY_EXPAND(x, prefix) AIC_LIB_ENTRY_CONCAT(x, prefix)
#define AIC_LIB_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x, AIC_LIB_PREFIX)
#define AIC_CONST_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x,AIC_CONST_PREFIX)
#define aic_softc AIC_LIB_ENTRY(_softc)
#define aic_tailq AIC_LIB_ENTRY(_tailq)
#define aic_transinfo AIC_LIB_ENTRY(_transinfo)
#define aic_platform_data AIC_LIB_ENTRY(_platform_data)
#define aic_devinfo AIC_LIB_ENTRY(_devinfo)
#define aic_lock AIC_LIB_ENTRY(_lock)
#define aic_unlock AIC_LIB_ENTRY(_unlock)
#define aic_callback_t AIC_LIB_ENTRY(_callback_t)
#define aic_platform_freeze_devq AIC_LIB_ENTRY(_platform_freeze_devq)
#define aic_platform_abort_scbs AIC_LIB_ENTRY(_platform_abort_scbs)
#define aic_platform_timeout AIC_LIB_ENTRY(_platform_timeout)
#define aic_timeout AIC_LIB_ENTRY(_timeout)
#define aic_set_recoveryscb AIC_LIB_ENTRY(_set_recoveryscb)
#define aic_spawn_recovery_thread AIC_LIB_ENTRY(_spawn_recovery_thread)
#define aic_wakeup_recovery_thread AIC_LIB_ENTRY(_wakeup_recovery_thread)
#define aic_terminate_recovery_thread \
AIC_LIB_ENTRY(_terminate_recovery_thread)
#define aic_recovery_thread AIC_LIB_ENTRY(_recovery_thread)
#define aic_recover_commands AIC_LIB_ENTRY(_recover_commands)
#define aic_calc_geometry AIC_LIB_ENTRY(_calc_geometry)
#define AIC_RESOURCE_SHORTAGE AIC_CONST_ENTRY(_RESOURCE_SHORTAGE)
#define AIC_SHUTDOWN_RECOVERY AIC_CONST_ENTRY(_SHUTDOWN_RECOVERY)
/********************************* Byte Order *********************************/
#if __FreeBSD_version >= 500000
#define aic_htobe16(x) htobe16(x)
#define aic_htobe32(x) htobe32(x)
#define aic_htobe64(x) htobe64(x)
#define aic_htole16(x) htole16(x)
#define aic_htole32(x) htole32(x)
#define aic_htole64(x) htole64(x)
#define aic_be16toh(x) be16toh(x)
#define aic_be32toh(x) be32toh(x)
#define aic_be64toh(x) be64toh(x)
#define aic_le16toh(x) le16toh(x)
#define aic_le32toh(x) le32toh(x)
#define aic_le64toh(x) le64toh(x)
#else
#define aic_htobe16(x) (x)
#define aic_htobe32(x) (x)
#define aic_htobe64(x) (x)
#define aic_htole16(x) (x)
#define aic_htole32(x) (x)
#define aic_htole64(x) (x)
#define aic_be16toh(x) (x)
#define aic_be32toh(x) (x)
#define aic_be64toh(x) (x)
#define aic_le16toh(x) (x)
#define aic_le32toh(x) (x)
#define aic_le64toh(x) (x)
#endif
/************************* Forward Declarations *******************************/
typedef device_t aic_dev_softc_t;
typedef union ccb *aic_io_ctx_t;
struct aic_softc;
struct scb;
/*************************** Timer DataStructures *****************************/
typedef struct callout aic_timer_t;
/****************************** Error Recovery ********************************/
void aic_set_recoveryscb(struct aic_softc *aic, struct scb *scb);
timeout_t aic_platform_timeout;
int aic_spawn_recovery_thread(struct aic_softc *aic);
void aic_terminate_recovery_thread(struct aic_softc *aic);
static __inline void aic_wakeup_recovery_thread(struct aic_softc *aic);
static __inline void
aic_wakeup_recovery_thread(struct aic_softc *aic)
{
wakeup(aic);
}
/****************************** Kernel Threads ********************************/
#if __FreeBSD_version > 500005
#define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
#else
#define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
kthread_create(func, farg, proc_ptr, fmtstr, arg)
#endif
/******************************* Bus Space/DMA ********************************/
#if __FreeBSD_version >= 501102
#define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
lowaddr, highaddr, filter, filterarg, \
maxsize, nsegments, maxsegsz, flags, \
dma_tagp) \
bus_dma_tag_create(parent_tag, alignment, boundary, \
lowaddr, highaddr, filter, filterarg, \
maxsize, nsegments, maxsegsz, flags, \
busdma_lock_mutex, &Giant, \
dma_tagp)
#else
#define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
lowaddr, highaddr, filter, filterarg, \
maxsize, nsegments, maxsegsz, flags, \
dma_tagp) \
bus_dma_tag_create(parent_tag, alignment, boundary, \
lowaddr, highaddr, filter, filterarg, \
maxsize, nsegments, maxsegsz, flags, \
dma_tagp)
#endif
#define aic_dma_tag_destroy(aic, tag) \
bus_dma_tag_destroy(tag)
#define aic_dmamem_alloc(aic, dmat, vaddr, flags, mapp) \
bus_dmamem_alloc(dmat, vaddr, flags, mapp)
#define aic_dmamem_free(aic, dmat, vaddr, map) \
bus_dmamem_free(dmat, vaddr, map)
#define aic_dmamap_create(aic, tag, flags, mapp) \
bus_dmamap_create(tag, flags, mapp)
#define aic_dmamap_destroy(aic, tag, map) \
bus_dmamap_destroy(tag, map)
#define aic_dmamap_load(aic, dmat, map, addr, buflen, callback, \
callback_arg, flags) \
bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags)
#define aic_dmamap_unload(aic, tag, map) \
bus_dmamap_unload(tag, map)
/* XXX Need to update Bus DMA for partial map syncs */
#define aic_dmamap_sync(aic, dma_tag, dmamap, offset, len, op) \
bus_dmamap_sync(dma_tag, dmamap, op)
/***************************** Core Includes **********************************/
#include AIC_CORE_INCLUDE
/***************************** Timer Facilities *******************************/
#if __FreeBSD_version >= 500000
#define aic_timer_init(timer) callout_init(timer, /*mpsafe*/0)
#else
#define aic_timer_init callout_init
#endif
#define aic_timer_stop callout_stop
static __inline void aic_timer_reset(aic_timer_t *, u_int,
aic_callback_t *, void *);
static __inline u_int aic_get_timeout(struct scb *);
static __inline void aic_scb_timer_reset(struct scb *, u_int);
static __inline void
aic_timer_reset(aic_timer_t *timer, u_int usec, aic_callback_t *func, void *arg)
{
callout_reset(timer, (usec * hz)/1000000, func, arg);
}
static __inline u_int
aic_get_timeout(struct scb *scb)
{
return (scb->io_ctx->ccb_h.timeout * 1000);
}
static __inline void
aic_scb_timer_reset(struct scb *scb, u_int usec)
{
untimeout(aic_platform_timeout, (caddr_t)scb,
scb->io_ctx->ccb_h.timeout_ch);
scb->io_ctx->ccb_h.timeout_ch =
timeout(aic_platform_timeout, scb, (usec * hz)/1000000);
}
static __inline void
aic_scb_timer_start(struct scb *scb)
{
if (AIC_SCB_DATA(scb->aic_softc)->recovery_scbs == 0
&& scb->io_ctx->ccb_h.timeout != CAM_TIME_INFINITY) {
uint64_t time;
time = scb->io_ctx->ccb_h.timeout;
time *= hz;
time /= 1000;
scb->io_ctx->ccb_h.timeout_ch =
timeout(aic_platform_timeout, scb, time);
}
}
/************************** Transaction Operations ****************************/
static __inline void aic_set_transaction_status(struct scb *, uint32_t);
static __inline void aic_set_scsi_status(struct scb *, uint32_t);
static __inline uint32_t aic_get_transaction_status(struct scb *);
static __inline uint32_t aic_get_scsi_status(struct scb *);
static __inline void aic_set_transaction_tag(struct scb *, int, u_int);
static __inline u_long aic_get_transfer_length(struct scb *);
static __inline int aic_get_transfer_dir(struct scb *);
static __inline void aic_set_residual(struct scb *, u_long);
static __inline void aic_set_sense_residual(struct scb *, u_long);
static __inline u_long aic_get_residual(struct scb *);
static __inline int aic_perform_autosense(struct scb *);
static __inline uint32_t aic_get_sense_bufsize(struct aic_softc*, struct scb*);
static __inline void aic_freeze_ccb(union ccb *ccb);
static __inline void aic_freeze_scb(struct scb *scb);
static __inline void aic_platform_freeze_devq(struct aic_softc *, struct scb *);
static __inline int aic_platform_abort_scbs(struct aic_softc *aic, int target,
char channel, int lun, u_int tag,
role_t role, uint32_t status);
static __inline
void aic_set_transaction_status(struct scb *scb, uint32_t status)
{
scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK;
scb->io_ctx->ccb_h.status |= status;
}
static __inline
void aic_set_scsi_status(struct scb *scb, uint32_t status)
{
scb->io_ctx->csio.scsi_status = status;
}
static __inline
uint32_t aic_get_transaction_status(struct scb *scb)
{
return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK);
}
static __inline
uint32_t aic_get_scsi_status(struct scb *scb)
{
return (scb->io_ctx->csio.scsi_status);
}
static __inline
void aic_set_transaction_tag(struct scb *scb, int enabled, u_int type)
{
scb->io_ctx->csio.tag_action = type;
if (enabled)
scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID;
else
scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
}
static __inline
u_long aic_get_transfer_length(struct scb *scb)
{
return (scb->io_ctx->csio.dxfer_len);
}
static __inline
int aic_get_transfer_dir(struct scb *scb)
{
return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK);
}
static __inline
void aic_set_residual(struct scb *scb, u_long resid)
{
scb->io_ctx->csio.resid = resid;
}
static __inline
void aic_set_sense_residual(struct scb *scb, u_long resid)
{
scb->io_ctx->csio.sense_resid = resid;
}
static __inline
u_long aic_get_residual(struct scb *scb)
{
return (scb->io_ctx->csio.resid);
}
static __inline
int aic_perform_autosense(struct scb *scb)
{
return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE));
}
static __inline uint32_t
aic_get_sense_bufsize(struct aic_softc *aic, struct scb *scb)
{
return (sizeof(struct scsi_sense_data));
}
static __inline void
aic_freeze_ccb(union ccb *ccb)
{
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
ccb->ccb_h.status |= CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
}
}
static __inline void
aic_freeze_scb(struct scb *scb)
{
aic_freeze_ccb(scb->io_ctx);
}
static __inline void
aic_platform_freeze_devq(struct aic_softc *aic, struct scb *scb)
{
/* Nothing to do here for FreeBSD */
}
static __inline int
aic_platform_abort_scbs(struct aic_softc *aic, int target,
char channel, int lun, u_int tag,
role_t role, uint32_t status)
{
/* Nothing to do here for FreeBSD */
return (0);
}
static __inline void
aic_platform_scb_free(struct aic_softc *aic, struct scb *scb)
{
/* What do we do to generically handle driver resource shortages??? */
if ((aic->flags & AIC_RESOURCE_SHORTAGE) != 0
&& scb->io_ctx != NULL
&& (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
aic->flags &= ~AIC_RESOURCE_SHORTAGE;
}
scb->io_ctx = NULL;
}
/*************************** CAM CCB Operations *******************************/
void aic_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
/****************************** OS Primitives *********************************/
#define aic_delay DELAY
/********************************** PCI ***************************************/
#ifdef AIC_PCI_CONFIG
static __inline uint32_t aic_pci_read_config(aic_dev_softc_t pci,
int reg, int width);
static __inline void aic_pci_write_config(aic_dev_softc_t pci,
int reg, uint32_t value,
int width);
static __inline int aic_get_pci_function(aic_dev_softc_t);
static __inline int aic_get_pci_slot(aic_dev_softc_t);
static __inline int aic_get_pci_bus(aic_dev_softc_t);
static __inline uint32_t
aic_pci_read_config(aic_dev_softc_t pci, int reg, int width)
{
return (pci_read_config(pci, reg, width));
}
static __inline void
aic_pci_write_config(aic_dev_softc_t pci, int reg, uint32_t value, int width)
{
pci_write_config(pci, reg, value, width);
}
static __inline int
aic_get_pci_function(aic_dev_softc_t pci)
{
return (pci_get_function(pci));
}
static __inline int
aic_get_pci_slot(aic_dev_softc_t pci)
{
return (pci_get_slot(pci));
}
static __inline int
aic_get_pci_bus(aic_dev_softc_t pci)
{
return (pci_get_bus(pci));
}
typedef enum
{
AIC_POWER_STATE_D0 = PCI_POWERSTATE_D0,
AIC_POWER_STATE_D1 = PCI_POWERSTATE_D1,
AIC_POWER_STATE_D2 = PCI_POWERSTATE_D2,
AIC_POWER_STATE_D3 = PCI_POWERSTATE_D3
} aic_power_state;
static __inline int aic_power_state_change(struct aic_softc *aic,
aic_power_state new_state);
static __inline int
aic_power_state_change(struct aic_softc *aic, aic_power_state new_state)
{
return (pci_set_powerstate(aic->dev_softc, new_state));
}
#endif
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