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freebsd-skq/sys/dev/arcmsr/arcmsr.c
scottl 9894622a1c Tell CAM that SPI disconnect works, which in turn will let it use tags. 
This fixes the low "max device openings" count that has lead to poor
performance in FreeBSD 7.0 and 7.1.

Extra thanks goes to Mike Tancsa at Sentex for providing a debug system for
this.
2009-02-20 07:40:54 +00:00

3264 lines
103 KiB
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/*
*****************************************************************************************
** O.S : FreeBSD
** FILE NAME : arcmsr.c
** BY : Erich Chen
** Description: SCSI RAID Device Driver for
** ARECA (ARC11XX/ARC12XX/ARC13XX/ARC16XX) SATA/SAS RAID HOST Adapter
** ARCMSR RAID Host adapter
** [RAID controller:INTEL 331(PCI-X) 341(PCI-EXPRESS) chip set]
******************************************************************************************
************************************************************************
**
** Copyright (c) 2004-2006 ARECA Co. Ltd.
** Erich Chen, Taipei Taiwan 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.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
**************************************************************************
** History
**
** REV# DATE NAME DESCRIPTION
** 1.00.00.00 3/31/2004 Erich Chen First release
** 1.20.00.02 11/29/2004 Erich Chen bug fix with arcmsr_bus_reset when PHY error
** 1.20.00.03 4/19/2005 Erich Chen add SATA 24 Ports adapter type support
** clean unused function
** 1.20.00.12 9/12/2005 Erich Chen bug fix with abort command handling,
** firmware version check
** and firmware update notify for hardware bug fix
** handling if none zero high part physical address
** of srb resource
** 1.20.00.13 8/18/2006 Erich Chen remove pending srb and report busy
** add iop message xfer
** with scsi pass-through command
** add new device id of sas raid adapters
** code fit for SPARC64 & PPC
** 1.20.00.14 02/05/2007 Erich Chen bug fix for incorrect ccb_h.status report
** and cause g_vfs_done() read write error
** 1.20.00.15 10/10/2007 Erich Chen support new RAID adapter type ARC120x
******************************************************************************************
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <sys/devicestat.h>
#include <sys/kthread.h>
#include <sys/module.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/sysctl.h>
#include <sys/poll.h>
#include <sys/ioccom.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/pmap.h>
#include <isa/rtc.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <machine/atomic.h>
#include <sys/conf.h>
#include <sys/rman.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_sim.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_debug.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
/*
**************************************************************************
**************************************************************************
*/
#if __FreeBSD_version >= 500005
#include <sys/selinfo.h>
#include <sys/mutex.h>
#include <sys/endian.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#define ARCMSR_LOCK_INIT(l, s) mtx_init(l, s, NULL, MTX_DEF)
#define ARCMSR_LOCK_DESTROY(l) mtx_destroy(l)
#define ARCMSR_LOCK_ACQUIRE(l) mtx_lock(l)
#define ARCMSR_LOCK_RELEASE(l) mtx_unlock(l)
#define ARCMSR_LOCK_TRY(l) mtx_trylock(l)
#define arcmsr_htole32(x) htole32(x)
typedef struct mtx arcmsr_lock_t;
#else
#include <sys/select.h>
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#define ARCMSR_LOCK_INIT(l, s) simple_lock_init(l)
#define ARCMSR_LOCK_DESTROY(l)
#define ARCMSR_LOCK_ACQUIRE(l) simple_lock(l)
#define ARCMSR_LOCK_RELEASE(l) simple_unlock(l)
#define ARCMSR_LOCK_TRY(l) simple_lock_try(l)
#define arcmsr_htole32(x) (x)
typedef struct simplelock arcmsr_lock_t;
#endif
#if !defined(CAM_NEW_TRAN_CODE) && __FreeBSD_version >= 700025
#define CAM_NEW_TRAN_CODE 1
#endif
#include <dev/arcmsr/arcmsr.h>
#define ARCMSR_SRBS_POOL_SIZE ((sizeof(struct CommandControlBlock) * ARCMSR_MAX_FREESRB_NUM))
/*
**************************************************************************
**************************************************************************
*/
#define CHIP_REG_READ32(s, b, r) bus_space_read_4(acb->btag[b], acb->bhandle[b], offsetof(struct s, r))
#define CHIP_REG_WRITE32(s, b, r, d) bus_space_write_4(acb->btag[b], acb->bhandle[b], offsetof(struct s, r), d)
/*
**************************************************************************
**************************************************************************
*/
static struct CommandControlBlock * arcmsr_get_freesrb(struct AdapterControlBlock *acb);
static u_int8_t arcmsr_seek_cmd2abort(union ccb * abortccb);
static int arcmsr_probe(device_t dev);
static int arcmsr_attach(device_t dev);
static int arcmsr_detach(device_t dev);
static u_int32_t arcmsr_iop_ioctlcmd(struct AdapterControlBlock *acb, u_int32_t ioctl_cmd, caddr_t arg);
static void arcmsr_iop_parking(struct AdapterControlBlock *acb);
static int arcmsr_shutdown(device_t dev);
static void arcmsr_interrupt(struct AdapterControlBlock *acb);
static void arcmsr_polling_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb);
static void arcmsr_free_resource(struct AdapterControlBlock *acb);
static void arcmsr_bus_reset(struct AdapterControlBlock *acb);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
static void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb);
static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb);
static void arcmsr_srb_complete(struct CommandControlBlock *srb, int stand_flag);
static void arcmsr_iop_reset(struct AdapterControlBlock *acb);
static void arcmsr_report_sense_info(struct CommandControlBlock *srb);
static void arcmsr_build_srb(struct CommandControlBlock *srb, bus_dma_segment_t * dm_segs, u_int32_t nseg);
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, union ccb * pccb);
static int arcmsr_resume(device_t dev);
static int arcmsr_suspend(device_t dev);
/*
**************************************************************************
**************************************************************************
*/
static void UDELAY(u_int32_t us) { DELAY(us); }
/*
**************************************************************************
**************************************************************************
*/
static bus_dmamap_callback_t arcmsr_map_freesrb;
static bus_dmamap_callback_t arcmsr_executesrb;
/*
**************************************************************************
**************************************************************************
*/
static d_open_t arcmsr_open;
static d_close_t arcmsr_close;
static d_ioctl_t arcmsr_ioctl;
static device_method_t arcmsr_methods[]={
DEVMETHOD(device_probe, arcmsr_probe),
DEVMETHOD(device_attach, arcmsr_attach),
DEVMETHOD(device_detach, arcmsr_detach),
DEVMETHOD(device_shutdown, arcmsr_shutdown),
DEVMETHOD(device_suspend, arcmsr_suspend),
DEVMETHOD(device_resume, arcmsr_resume),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t arcmsr_driver={
"arcmsr", arcmsr_methods, sizeof(struct AdapterControlBlock)
};
static devclass_t arcmsr_devclass;
DRIVER_MODULE(arcmsr, pci, arcmsr_driver, arcmsr_devclass, 0, 0);
MODULE_DEPEND(arcmsr, pci, 1, 1, 1);
MODULE_DEPEND(arcmsr, cam, 1, 1, 1);
#ifndef BUS_DMA_COHERENT
#define BUS_DMA_COHERENT 0x04 /* hint: map memory in a coherent way */
#endif
#if __FreeBSD_version >= 501000
#ifndef D_NEEDGIANT
#define D_NEEDGIANT 0x00400000 /* driver want Giant */
#endif
#ifndef D_VERSION
#define D_VERSION 0x20011966
#endif
static struct cdevsw arcmsr_cdevsw={
#if __FreeBSD_version > 502010
.d_version = D_VERSION,
#endif
.d_flags = D_NEEDGIANT,
.d_open = arcmsr_open, /* open */
.d_close = arcmsr_close, /* close */
.d_ioctl = arcmsr_ioctl, /* ioctl */
.d_name = "arcmsr", /* name */
};
#else
#define ARCMSR_CDEV_MAJOR 180
static struct cdevsw arcmsr_cdevsw = {
arcmsr_open, /* open */
arcmsr_close, /* close */
noread, /* read */
nowrite, /* write */
arcmsr_ioctl, /* ioctl */
nopoll, /* poll */
nommap, /* mmap */
nostrategy, /* strategy */
"arcmsr", /* name */
ARCMSR_CDEV_MAJOR, /* major */
nodump, /* dump */
nopsize, /* psize */
0 /* flags */
};
#endif
#if __FreeBSD_version < 500005
static int arcmsr_open(dev_t dev, int flags, int fmt, struct proc *proc)
#else
#if __FreeBSD_version < 503000
static int arcmsr_open(dev_t dev, int flags, int fmt, struct thread *proc)
#else
static int arcmsr_open(struct cdev *dev, int flags, int fmt, d_thread_t *proc)
#endif
#endif
{
#if __FreeBSD_version < 503000
struct AdapterControlBlock *acb=dev->si_drv1;
#else
int unit = dev2unit(dev);
struct AdapterControlBlock *acb = devclass_get_softc(arcmsr_devclass, unit);
#endif
if(acb==NULL) {
return ENXIO;
}
return 0;
}
/*
**************************************************************************
**************************************************************************
*/
#if __FreeBSD_version < 500005
static int arcmsr_close(dev_t dev, int flags, int fmt, struct proc *proc)
#else
#if __FreeBSD_version < 503000
static int arcmsr_close(dev_t dev, int flags, int fmt, struct thread *proc)
#else
static int arcmsr_close(struct cdev *dev, int flags, int fmt, d_thread_t *proc)
#endif
#endif
{
#if __FreeBSD_version < 503000
struct AdapterControlBlock *acb=dev->si_drv1;
#else
int unit = dev2unit(dev);
struct AdapterControlBlock *acb = devclass_get_softc(arcmsr_devclass, unit);
#endif
if(acb==NULL) {
return ENXIO;
}
return 0;
}
/*
**************************************************************************
**************************************************************************
*/
#if __FreeBSD_version < 500005
static int arcmsr_ioctl(dev_t dev, u_long ioctl_cmd, caddr_t arg, int flags, struct proc *proc)
#else
#if __FreeBSD_version < 503000
static int arcmsr_ioctl(dev_t dev, u_long ioctl_cmd, caddr_t arg, int flags, struct thread *proc)
#else
static int arcmsr_ioctl(struct cdev *dev, u_long ioctl_cmd, caddr_t arg, int flags, d_thread_t *proc)
#endif
#endif
{
#if __FreeBSD_version < 503000
struct AdapterControlBlock *acb=dev->si_drv1;
#else
int unit = dev2unit(dev);
struct AdapterControlBlock *acb = devclass_get_softc(arcmsr_devclass, unit);
#endif
if(acb==NULL) {
return ENXIO;
}
return(arcmsr_iop_ioctlcmd(acb, ioctl_cmd, arg));
}
/*
**********************************************************************
**********************************************************************
*/
static u_int32_t arcmsr_disable_allintr( struct AdapterControlBlock *acb)
{
u_int32_t intmask_org=0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
/* disable all outbound interrupt */
intmask_org=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_intmask)|ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE; /* disable outbound message0 int */
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_intmask, intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE);
}
break;
case ACB_ADAPTER_TYPE_B: {
/* disable all outbound interrupt */
intmask_org=CHIP_REG_READ32(HBB_DOORBELL,
0, iop2drv_doorbell_mask) & (~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); /* disable outbound message0 int */
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell_mask, 0); /* disable all interrupt */
}
break;
}
return(intmask_org);
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_enable_allintr( struct AdapterControlBlock *acb, u_int32_t intmask_org)
{
u_int32_t mask;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
/* enable outbound Post Queue, outbound doorbell Interrupt */
mask=~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE|ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intmask, intmask_org & mask);
acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
}
break;
case ACB_ADAPTER_TYPE_B: {
/* disable ARCMSR_IOP2DRV_MESSAGE_CMD_DONE */
mask=(ARCMSR_IOP2DRV_DATA_WRITE_OK|ARCMSR_IOP2DRV_DATA_READ_OK|ARCMSR_IOP2DRV_CDB_DONE);
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell_mask, intmask_org | mask); /*1=interrupt enable, 0=interrupt disable*/
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
}
break;
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static u_int8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
{
u_int32_t Index;
u_int8_t Retries=0x00;
do {
for(Index=0; Index < 100; Index++) {
if(CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_intstatus) & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_intstatus, ARCMSR_MU_OUTBOUND_MESSAGE0_INT);/*clear interrupt*/
return TRUE;
}
UDELAY(10000);
}/*max 1 seconds*/
}while(Retries++ < 20);/*max 20 sec*/
return FALSE;
}
/*
**********************************************************************
**********************************************************************
*/
static u_int8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
{
u_int32_t Index;
u_int8_t Retries=0x00;
do {
for(Index=0; Index < 100; Index++) {
if(CHIP_REG_READ32(HBB_DOORBELL,
0, iop2drv_doorbell) & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell, ARCMSR_MESSAGE_INT_CLEAR_PATTERN);/*clear interrupt*/
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
return TRUE;
}
UDELAY(10000);
}/*max 1 seconds*/
}while(Retries++ < 20);/*max 20 sec*/
return FALSE;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
{
int retry_count=30;/* enlarge wait flush adapter cache time: 10 minute */
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_FLUSH_CACHE);
do {
if(arcmsr_hba_wait_msgint_ready(acb)) {
break;
} else {
retry_count--;
}
}while(retry_count!=0);
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
{
int retry_count=30;/* enlarge wait flush adapter cache time: 10 minute */
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_FLUSH_CACHE);
do {
if(arcmsr_hbb_wait_msgint_ready(acb)) {
break;
} else {
retry_count--;
}
}while(retry_count!=0);
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_flush_hba_cache(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_flush_hbb_cache(acb);
}
break;
}
return;
}
/*
*******************************************************************************
*******************************************************************************
*/
static int arcmsr_suspend(device_t dev)
{
struct AdapterControlBlock *acb = device_get_softc(dev);
/* disable all outbound interrupt */
arcmsr_disable_allintr(acb);
/* flush controller */
arcmsr_iop_parking(acb);
return(0);
}
/*
*******************************************************************************
*******************************************************************************
*/
static int arcmsr_resume(device_t dev)
{
struct AdapterControlBlock *acb = device_get_softc(dev);
arcmsr_iop_init(acb);
return(0);
}
/*
*********************************************************************************
*********************************************************************************
*/
static void arcmsr_async(void *cb_arg, u_int32_t code, struct cam_path *path, void *arg)
{
struct AdapterControlBlock *acb;
u_int8_t target_id, target_lun;
struct cam_sim * sim;
sim=(struct cam_sim *) cb_arg;
acb =(struct AdapterControlBlock *) cam_sim_softc(sim);
switch (code) {
case AC_LOST_DEVICE:
target_id=xpt_path_target_id(path);
target_lun=xpt_path_lun_id(path);
if((target_id > ARCMSR_MAX_TARGETID)
|| (target_lun > ARCMSR_MAX_TARGETLUN)) {
break;
}
printf("%s:scsi id%d lun%d device lost \n"
, device_get_name(acb->pci_dev), target_id, target_lun);
break;
default:
break;
}
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_srb_complete(struct CommandControlBlock *srb, int stand_flag)
{
struct AdapterControlBlock *acb=srb->acb;
union ccb * pccb=srb->pccb;
if((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
bus_dmasync_op_t op;
if((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
op = BUS_DMASYNC_POSTREAD;
} else {
op = BUS_DMASYNC_POSTWRITE;
}
bus_dmamap_sync(acb->dm_segs_dmat, srb->dm_segs_dmamap, op);
bus_dmamap_unload(acb->dm_segs_dmat, srb->dm_segs_dmamap);
}
if(stand_flag==1) {
atomic_subtract_int(&acb->srboutstandingcount, 1);
if((acb->acb_flags & ACB_F_CAM_DEV_QFRZN) && (
acb->srboutstandingcount < ARCMSR_RELEASE_SIMQ_LEVEL)) {
acb->acb_flags &= ~ACB_F_CAM_DEV_QFRZN;
pccb->ccb_h.status |= CAM_RELEASE_SIMQ;
}
}
srb->startdone=ARCMSR_SRB_DONE;
srb->srb_flags=0;
acb->srbworkingQ[acb->workingsrb_doneindex]=srb;
acb->workingsrb_doneindex++;
acb->workingsrb_doneindex %= ARCMSR_MAX_FREESRB_NUM;
xpt_done(pccb);
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_report_sense_info(struct CommandControlBlock *srb)
{
union ccb * pccb=srb->pccb;
pccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
pccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
if(&pccb->csio.sense_data) {
memset(&pccb->csio.sense_data, 0, sizeof(pccb->csio.sense_data));
memcpy(&pccb->csio.sense_data, srb->arcmsr_cdb.SenseData,
get_min(sizeof(struct SENSE_DATA), sizeof(pccb->csio.sense_data)));
((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70); /* Valid,ErrorCode */
pccb->ccb_h.status |= CAM_AUTOSNS_VALID;
}
return;
}
/*
*********************************************************************
*********************************************************************
*/
static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
{
CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_ABORT_CMD);
if(!arcmsr_hba_wait_msgint_ready(acb)) {
printf("arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->pci_unit);
}
return;
}
/*
*********************************************************************
*********************************************************************
*/
static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
{
CHIP_REG_WRITE32(HBB_DOORBELL, 0, drv2iop_doorbell, ARCMSR_MESSAGE_ABORT_CMD);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf("arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->pci_unit);
}
return;
}
/*
*********************************************************************
*********************************************************************
*/
static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_abort_hba_allcmd(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_abort_hbb_allcmd(acb);
}
break;
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_report_srb_state(struct AdapterControlBlock *acb,
struct CommandControlBlock *srb, u_int32_t flag_srb)
{
int target, lun;
target=srb->pccb->ccb_h.target_id;
lun=srb->pccb->ccb_h.target_lun;
if((flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR)==0) {
if(acb->devstate[target][lun]==ARECA_RAID_GONE) {
acb->devstate[target][lun]=ARECA_RAID_GOOD;
}
srb->pccb->ccb_h.status |= CAM_REQ_CMP;
arcmsr_srb_complete(srb, 1);
} else {
switch(srb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
if(acb->devstate[target][lun]==ARECA_RAID_GOOD) {
printf( "arcmsr%d: select timeout"
", raid volume was kicked out \n"
, acb->pci_unit);
}
acb->devstate[target][lun]=ARECA_RAID_GONE;
srb->pccb->ccb_h.status |= CAM_SEL_TIMEOUT;
arcmsr_srb_complete(srb, 1);
}
break;
case ARCMSR_DEV_ABORTED:
case ARCMSR_DEV_INIT_FAIL: {
acb->devstate[target][lun]=ARECA_RAID_GONE;
srb->pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
arcmsr_srb_complete(srb, 1);
}
break;
case SCSISTAT_CHECK_CONDITION: {
acb->devstate[target][lun]=ARECA_RAID_GOOD;
arcmsr_report_sense_info(srb);
arcmsr_srb_complete(srb, 1);
}
break;
default:
printf("arcmsr%d: scsi id=%d lun=%d"
"isr get command error done,"
"but got unknow DeviceStatus=0x%x \n"
, acb->pci_unit, target, lun
,srb->arcmsr_cdb.DeviceStatus);
acb->devstate[target][lun]=ARECA_RAID_GONE;
srb->pccb->ccb_h.status |= CAM_UNCOR_PARITY;
/*unknow error or crc error just for retry*/
arcmsr_srb_complete(srb, 1);
break;
}
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, u_int32_t flag_srb)
{
struct CommandControlBlock *srb;
/* check if command done with no error*/
srb=(struct CommandControlBlock *)
(acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
if((srb->acb!=acb) || (srb->startdone!=ARCMSR_SRB_START)) {
if(srb->startdone==ARCMSR_SRB_ABORTED) {
printf("arcmsr%d: srb='%p' isr got aborted command \n"
, acb->pci_unit, srb);
srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
arcmsr_srb_complete(srb, 1);
return;
}
printf("arcmsr%d: isr get an illegal srb command done"
"acb='%p' srb='%p' srbacb='%p' startdone=0x%x"
"srboutstandingcount=%d \n",
acb->pci_unit, acb, srb, srb->acb,
srb->startdone, acb->srboutstandingcount);
return;
}
arcmsr_report_srb_state(acb, srb, flag_srb);
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
{
int i=0;
u_int32_t flag_srb;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
u_int32_t outbound_intstatus;
/*clear and abort all outbound posted Q*/
outbound_intstatus=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_intstatus) & acb->outbound_int_enable;
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_intstatus, outbound_intstatus);/*clear interrupt*/
while(((flag_srb=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_queueport)) != 0xFFFFFFFF)
&& (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
arcmsr_drain_donequeue(acb, flag_srb);
}
}
break;
case ACB_ADAPTER_TYPE_B: {
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
/*clear all outbound posted Q*/
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell,
ARCMSR_DOORBELL_INT_CLEAR_PATTERN); /* clear doorbell interrupt */
for(i=0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
if((flag_srb=phbbmu->done_qbuffer[i])!=0) {
phbbmu->done_qbuffer[i]=0;
arcmsr_drain_donequeue(acb, flag_srb);
}
phbbmu->post_qbuffer[i]=0;
}/*drain reply FIFO*/
phbbmu->doneq_index=0;
phbbmu->postq_index=0;
}
break;
}
return;
}
/*
****************************************************************************
****************************************************************************
*/
static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
{
struct CommandControlBlock *srb;
u_int32_t intmask_org;
u_int32_t i=0;
if(acb->srboutstandingcount>0) {
/* disable all outbound interrupt */
intmask_org=arcmsr_disable_allintr(acb);
/*clear and abort all outbound posted Q*/
arcmsr_done4abort_postqueue(acb);
/* talk to iop 331 outstanding command aborted*/
arcmsr_abort_allcmd(acb);
for(i=0;i<ARCMSR_MAX_FREESRB_NUM;i++) {
srb=acb->psrb_pool[i];
if(srb->startdone==ARCMSR_SRB_START) {
srb->startdone=ARCMSR_SRB_ABORTED;
srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
arcmsr_srb_complete(srb, 1);
}
}
/* enable all outbound interrupt */
arcmsr_enable_allintr(acb, intmask_org);
}
atomic_set_int(&acb->srboutstandingcount, 0);
acb->workingsrb_doneindex=0;
acb->workingsrb_startindex=0;
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_build_srb(struct CommandControlBlock *srb,
bus_dma_segment_t *dm_segs, u_int32_t nseg)
{
struct ARCMSR_CDB * arcmsr_cdb= &srb->arcmsr_cdb;
u_int8_t * psge=(u_int8_t *)&arcmsr_cdb->u;
u_int32_t address_lo, address_hi;
union ccb * pccb=srb->pccb;
struct ccb_scsiio * pcsio= &pccb->csio;
u_int32_t arccdbsize=0x30;
memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
arcmsr_cdb->Bus=0;
arcmsr_cdb->TargetID=pccb->ccb_h.target_id;
arcmsr_cdb->LUN=pccb->ccb_h.target_lun;
arcmsr_cdb->Function=1;
arcmsr_cdb->CdbLength=(u_int8_t)pcsio->cdb_len;
arcmsr_cdb->Context=0;
bcopy(pcsio->cdb_io.cdb_bytes, arcmsr_cdb->Cdb, pcsio->cdb_len);
if(nseg != 0) {
struct AdapterControlBlock *acb=srb->acb;
bus_dmasync_op_t op;
u_int32_t length, i, cdb_sgcount=0;
if((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
op=BUS_DMASYNC_PREREAD;
} else {
op=BUS_DMASYNC_PREWRITE;
arcmsr_cdb->Flags|=ARCMSR_CDB_FLAG_WRITE;
srb->srb_flags|=SRB_FLAG_WRITE;
}
bus_dmamap_sync(acb->dm_segs_dmat, srb->dm_segs_dmamap, op);
for(i=0;i<nseg;i++) {
/* Get the physical address of the current data pointer */
length=arcmsr_htole32(dm_segs[i].ds_len);
address_lo=arcmsr_htole32(dma_addr_lo32(dm_segs[i].ds_addr));
address_hi=arcmsr_htole32(dma_addr_hi32(dm_segs[i].ds_addr));
if(address_hi==0) {
struct SG32ENTRY * pdma_sg=(struct SG32ENTRY *)psge;
pdma_sg->address=address_lo;
pdma_sg->length=length;
psge += sizeof(struct SG32ENTRY);
arccdbsize += sizeof(struct SG32ENTRY);
} else {
u_int32_t sg64s_size=0, tmplength=length;
while(1) {
u_int64_t span4G, length0;
struct SG64ENTRY * pdma_sg=(struct SG64ENTRY *)psge;
span4G=(u_int64_t)address_lo + tmplength;
pdma_sg->addresshigh=address_hi;
pdma_sg->address=address_lo;
if(span4G > 0x100000000) {
/*see if cross 4G boundary*/
length0=0x100000000-address_lo;
pdma_sg->length=(u_int32_t)length0|IS_SG64_ADDR;
address_hi=address_hi+1;
address_lo=0;
tmplength=tmplength-(u_int32_t)length0;
sg64s_size += sizeof(struct SG64ENTRY);
psge += sizeof(struct SG64ENTRY);
cdb_sgcount++;
} else {
pdma_sg->length=tmplength|IS_SG64_ADDR;
sg64s_size += sizeof(struct SG64ENTRY);
psge += sizeof(struct SG64ENTRY);
break;
}
}
arccdbsize += sg64s_size;
}
cdb_sgcount++;
}
arcmsr_cdb->sgcount=(u_int8_t)cdb_sgcount;
arcmsr_cdb->DataLength=pcsio->dxfer_len;
if( arccdbsize > 256) {
arcmsr_cdb->Flags|=ARCMSR_CDB_FLAG_SGL_BSIZE;
}
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_post_srb(struct AdapterControlBlock *acb, struct CommandControlBlock *srb)
{
u_int32_t cdb_shifted_phyaddr=(u_int32_t) srb->cdb_shifted_phyaddr;
struct ARCMSR_CDB * arcmsr_cdb=(struct ARCMSR_CDB *)&srb->arcmsr_cdb;
bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
(srb->srb_flags & SRB_FLAG_WRITE) ? BUS_DMASYNC_POSTWRITE:BUS_DMASYNC_POSTREAD);
atomic_add_int(&acb->srboutstandingcount, 1);
srb->startdone=ARCMSR_SRB_START;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
if(arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_queueport,
cdb_shifted_phyaddr|ARCMSR_SRBPOST_FLAG_SGL_BSIZE);
} else {
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_queueport, cdb_shifted_phyaddr);
}
}
break;
case ACB_ADAPTER_TYPE_B: {
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
int ending_index, index;
index=phbbmu->postq_index;
ending_index=((index+1)%ARCMSR_MAX_HBB_POSTQUEUE);
phbbmu->post_qbuffer[ending_index]=0;
if(arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
phbbmu->post_qbuffer[index]=
cdb_shifted_phyaddr|ARCMSR_SRBPOST_FLAG_SGL_BSIZE;
} else {
phbbmu->post_qbuffer[index]=
cdb_shifted_phyaddr;
}
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE; /*if last index number set it to 0 */
phbbmu->postq_index=index;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_CDB_POSTED);
}
break;
}
return;
}
/*
************************************************************************
************************************************************************
*/
static struct QBUFFER * arcmsr_get_iop_rqbuffer( struct AdapterControlBlock *acb)
{
struct QBUFFER *qbuffer=NULL;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct HBA_MessageUnit *phbamu=(struct HBA_MessageUnit *)acb->pmu;
qbuffer=(struct QBUFFER *)&phbamu->message_rbuffer;
}
break;
case ACB_ADAPTER_TYPE_B: {
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
qbuffer=(struct QBUFFER *)&phbbmu->hbb_rwbuffer->message_rbuffer;
}
break;
}
return(qbuffer);
}
/*
************************************************************************
************************************************************************
*/
static struct QBUFFER * arcmsr_get_iop_wqbuffer( struct AdapterControlBlock *acb)
{
struct QBUFFER *qbuffer=NULL;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct HBA_MessageUnit *phbamu=(struct HBA_MessageUnit *)acb->pmu;
qbuffer=(struct QBUFFER *)&phbamu->message_wbuffer;
}
break;
case ACB_ADAPTER_TYPE_B: {
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
qbuffer=(struct QBUFFER *)&phbbmu->hbb_rwbuffer->message_wbuffer;
}
break;
}
return(qbuffer);
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
/* let IOP know data has been read */
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);
}
break;
case ACB_ADAPTER_TYPE_B: {
/* let IOP know data has been read */
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_READ_OK);
}
break;
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
/*
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK);
}
break;
case ACB_ADAPTER_TYPE_B: {
/*
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_WRITE_OK);
}
break;
}
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
{
u_int8_t *pQbuffer;
struct QBUFFER *pwbuffer;
u_int8_t * iop_data;
int32_t allxfer_len=0;
pwbuffer=arcmsr_get_iop_wqbuffer(acb);
iop_data=(u_int8_t *)pwbuffer->data;
if(acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READ) {
acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READ);
while((acb->wqbuf_firstindex!=acb->wqbuf_lastindex)
&& (allxfer_len<124)) {
pQbuffer=&acb->wqbuffer[acb->wqbuf_firstindex];
memcpy(iop_data, pQbuffer, 1);
acb->wqbuf_firstindex++;
acb->wqbuf_firstindex %=ARCMSR_MAX_QBUFFER; /*if last index number set it to 0 */
iop_data++;
allxfer_len++;
}
pwbuffer->data_len=allxfer_len;
/*
** push inbound doorbell and wait reply at hwinterrupt routine for next Qbuffer post
*/
arcmsr_iop_message_wrote(acb);
}
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
{
acb->acb_flags &=~ACB_F_MSG_START_BGRB;
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_STOP_BGRB);
if(!arcmsr_hba_wait_msgint_ready(acb)) {
printf("arcmsr%d: wait 'stop adapter rebulid' timeout \n"
, acb->pci_unit);
}
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
{
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_STOP_BGRB);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d: wait 'stop adapter rebulid' timeout \n"
, acb->pci_unit);
}
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_stop_hba_bgrb(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_stop_hbb_bgrb(acb);
}
break;
}
return;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_poll(struct cam_sim * psim)
{
struct AdapterControlBlock *acb;
acb = (struct AdapterControlBlock *)cam_sim_softc(psim);
#if __FreeBSD_version < 700025
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
#endif
arcmsr_interrupt(acb);
#if __FreeBSD_version < 700025
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
#endif
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_intr_handler(void *arg)
{
struct AdapterControlBlock *acb=(struct AdapterControlBlock *)arg;
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
arcmsr_interrupt(acb);
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
{
struct QBUFFER *prbuffer;
u_int8_t *pQbuffer;
u_int8_t *iop_data;
int my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
/*check this iop data if overflow my rqbuffer*/
rqbuf_lastindex=acb->rqbuf_lastindex;
rqbuf_firstindex=acb->rqbuf_firstindex;
prbuffer=arcmsr_get_iop_rqbuffer(acb);
iop_data=(u_int8_t *)prbuffer->data;
iop_len=prbuffer->data_len;
my_empty_len=(rqbuf_firstindex-rqbuf_lastindex-1)&(ARCMSR_MAX_QBUFFER-1);
if(my_empty_len>=iop_len) {
while(iop_len > 0) {
pQbuffer=&acb->rqbuffer[rqbuf_lastindex];
memcpy(pQbuffer, iop_data, 1);
rqbuf_lastindex++;
rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;/*if last index number set it to 0 */
iop_data++;
iop_len--;
}
acb->rqbuf_lastindex=rqbuf_lastindex;
arcmsr_iop_message_read(acb);
/*signature, let IOP know data has been read */
} else {
acb->acb_flags|=ACB_F_IOPDATA_OVERFLOW;
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
{
acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READ;
/*
*****************************************************************
** check if there are any mail packages from user space program
** in my post bag, now is the time to send them into Areca's firmware
*****************************************************************
*/
if(acb->wqbuf_firstindex!=acb->wqbuf_lastindex) {
u_int8_t *pQbuffer;
struct QBUFFER *pwbuffer;
u_int8_t *iop_data;
int allxfer_len=0;
acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READ);
pwbuffer=arcmsr_get_iop_wqbuffer(acb);
iop_data=(u_int8_t *)pwbuffer->data;
while((acb->wqbuf_firstindex!=acb->wqbuf_lastindex)
&& (allxfer_len<124)) {
pQbuffer=&acb->wqbuffer[acb->wqbuf_firstindex];
memcpy(iop_data, pQbuffer, 1);
acb->wqbuf_firstindex++;
acb->wqbuf_firstindex %=ARCMSR_MAX_QBUFFER; /*if last index number set it to 0 */
iop_data++;
allxfer_len++;
}
pwbuffer->data_len=allxfer_len;
/*
** push inbound doorbell tell iop driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
arcmsr_iop_message_wrote(acb);
}
if(acb->wqbuf_firstindex==acb->wqbuf_lastindex) {
acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
{
u_int32_t outbound_doorbell;
/*
*******************************************************************
** Maybe here we need to check wrqbuffer_lock is lock or not
** DOORBELL: din! don!
** check if there are any mail need to pack from firmware
*******************************************************************
*/
outbound_doorbell=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_doorbell);
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_doorbell, outbound_doorbell); /* clear doorbell interrupt */
if(outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
if(outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
arcmsr_iop2drv_data_read_handle(acb);
}
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
{
u_int32_t flag_srb;
/*
*****************************************************************************
** areca cdb command done
*****************************************************************************
*/
bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
while((flag_srb=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_queueport)) != 0xFFFFFFFF) {
/* check if command done with no error*/
arcmsr_drain_donequeue(acb, flag_srb);
} /*drain reply FIFO*/
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
{
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
u_int32_t flag_srb;
int index;
/*
*****************************************************************************
** areca cdb command done
*****************************************************************************
*/
bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
index=phbbmu->doneq_index;
while((flag_srb=phbbmu->done_qbuffer[index]) != 0) {
phbbmu->done_qbuffer[index]=0;
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE; /*if last index number set it to 0 */
phbbmu->doneq_index=index;
/* check if command done with no error*/
arcmsr_drain_donequeue(acb, flag_srb);
} /*drain reply FIFO*/
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_handle_hba_isr( struct AdapterControlBlock *acb)
{
u_int32_t outbound_intstatus;
/*
*********************************************
** check outbound intstatus
*********************************************
*/
outbound_intstatus=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_intstatus) & acb->outbound_int_enable;
if(!outbound_intstatus) {
/*it must be share irq*/
return;
}
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_intstatus, outbound_intstatus);/*clear interrupt*/
/* MU doorbell interrupts*/
if(outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
arcmsr_hba_doorbell_isr(acb);
}
/* MU post queue interrupts*/
if(outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
arcmsr_hba_postqueue_isr(acb);
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_handle_hbb_isr( struct AdapterControlBlock *acb)
{
u_int32_t outbound_doorbell;
/*
*********************************************
** check outbound intstatus
*********************************************
*/
outbound_doorbell=CHIP_REG_READ32(HBB_DOORBELL, 0, iop2drv_doorbell) & acb->outbound_int_enable;
if(!outbound_doorbell) {
/*it must be share irq*/
return;
}
CHIP_REG_WRITE32(HBB_DOORBELL, 0, iop2drv_doorbell, ~outbound_doorbell); /* clear doorbell interrupt */
CHIP_REG_READ32(HBB_DOORBELL, 0, iop2drv_doorbell);
CHIP_REG_WRITE32(HBB_DOORBELL, 0, drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
/* MU ioctl transfer doorbell interrupts*/
if(outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
if(outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
arcmsr_iop2drv_data_read_handle(acb);
}
/* MU post queue interrupts*/
if(outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
arcmsr_hbb_postqueue_isr(acb);
}
return;
}
/*
******************************************************************************
******************************************************************************
*/
static void arcmsr_interrupt(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
arcmsr_handle_hba_isr(acb);
break;
case ACB_ADAPTER_TYPE_B:
arcmsr_handle_hbb_isr(acb);
break;
default:
printf("arcmsr%d: interrupt service,"
" unknow adapter type =%d\n", acb->pci_unit, acb->adapter_type);
break;
}
return;
}
/*
*******************************************************************************
**
*******************************************************************************
*/
static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
{
if(acb!=NULL) {
/* stop adapter background rebuild */
if(acb->acb_flags & ACB_F_MSG_START_BGRB) {
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
}
}
}
/*
***********************************************************************
**
************************************************************************
*/
u_int32_t arcmsr_iop_ioctlcmd(struct AdapterControlBlock *acb, u_int32_t ioctl_cmd, caddr_t arg)
{
struct CMD_MESSAGE_FIELD * pcmdmessagefld;
u_int32_t retvalue=EINVAL;
pcmdmessagefld=(struct CMD_MESSAGE_FIELD *) arg;
if(memcmp(pcmdmessagefld->cmdmessage.Signature, "ARCMSR", 6)!=0) {
return retvalue;
}
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
switch(ioctl_cmd) {
case ARCMSR_MESSAGE_READ_RQBUFFER: {
u_int8_t * pQbuffer;
u_int8_t * ptmpQbuffer=pcmdmessagefld->messagedatabuffer;
u_int32_t allxfer_len=0;
while((acb->rqbuf_firstindex!=acb->rqbuf_lastindex)
&& (allxfer_len<1031)) {
/*copy READ QBUFFER to srb*/
pQbuffer= &acb->rqbuffer[acb->rqbuf_firstindex];
memcpy(ptmpQbuffer, pQbuffer, 1);
acb->rqbuf_firstindex++;
acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
/*if last index number set it to 0 */
ptmpQbuffer++;
allxfer_len++;
}
if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
struct QBUFFER * prbuffer;
u_int8_t * iop_data;
u_int32_t iop_len;
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
prbuffer=arcmsr_get_iop_rqbuffer(acb);
iop_data=(u_int8_t *)prbuffer->data;
iop_len=(u_int32_t)prbuffer->data_len;
/*this iop data does no chance to make me overflow again here, so just do it*/
while(iop_len>0) {
pQbuffer= &acb->rqbuffer[acb->rqbuf_lastindex];
memcpy(pQbuffer, iop_data, 1);
acb->rqbuf_lastindex++;
acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
/*if last index number set it to 0 */
iop_data++;
iop_len--;
}
arcmsr_iop_message_read(acb);
/*signature, let IOP know data has been readed */
}
pcmdmessagefld->cmdmessage.Length=allxfer_len;
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
u_int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
u_int8_t * pQbuffer;
u_int8_t * ptmpuserbuffer=pcmdmessagefld->messagedatabuffer;
user_len=pcmdmessagefld->cmdmessage.Length;
/*check if data xfer length of this request will overflow my array qbuffer */
wqbuf_lastindex=acb->wqbuf_lastindex;
wqbuf_firstindex=acb->wqbuf_firstindex;
if(wqbuf_lastindex!=wqbuf_firstindex) {
arcmsr_post_ioctldata2iop(acb);
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_ERROR;
} else {
my_empty_len=(wqbuf_firstindex-wqbuf_lastindex-1)&(ARCMSR_MAX_QBUFFER-1);
if(my_empty_len>=user_len) {
while(user_len>0) {
/*copy srb data to wqbuffer*/
pQbuffer= &acb->wqbuffer[acb->wqbuf_lastindex];
memcpy(pQbuffer, ptmpuserbuffer, 1);
acb->wqbuf_lastindex++;
acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
/*if last index number set it to 0 */
ptmpuserbuffer++;
user_len--;
}
/*post fist Qbuffer*/
if(acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
acb->acb_flags &=~ACB_F_MESSAGE_WQBUFFER_CLEARED;
arcmsr_post_ioctldata2iop(acb);
}
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
} else {
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_ERROR;
}
}
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
u_int8_t * pQbuffer=acb->rqbuffer;
if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
/*signature, let IOP know data has been readed */
}
acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
acb->rqbuf_firstindex=0;
acb->rqbuf_lastindex=0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_CLEAR_WQBUFFER:
{
u_int8_t * pQbuffer=acb->wqbuffer;
if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
/*signature, let IOP know data has been readed */
}
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED|ACB_F_MESSAGE_WQBUFFER_READ);
acb->wqbuf_firstindex=0;
acb->wqbuf_lastindex=0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
u_int8_t * pQbuffer;
if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
/*signature, let IOP know data has been readed */
}
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED
|ACB_F_MESSAGE_RQBUFFER_CLEARED
|ACB_F_MESSAGE_WQBUFFER_READ);
acb->rqbuf_firstindex=0;
acb->rqbuf_lastindex=0;
acb->wqbuf_firstindex=0;
acb->wqbuf_lastindex=0;
pQbuffer=acb->rqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pQbuffer=acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_REQUEST_RETURNCODE_3F: {
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_3F;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_SAY_HELLO: {
u_int8_t * hello_string="Hello! I am ARCMSR";
u_int8_t * puserbuffer=(u_int8_t *)pcmdmessagefld->messagedatabuffer;
if(memcpy(puserbuffer, hello_string, (int16_t)strlen(hello_string))) {
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_ERROR;
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
return ENOIOCTL;
}
pcmdmessagefld->cmdmessage.ReturnCode=ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_SAY_GOODBYE: {
arcmsr_iop_parking(acb);
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: {
arcmsr_flush_adapter_cache(acb);
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
}
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
return retvalue;
}
/*
**************************************************************************
**************************************************************************
*/
struct CommandControlBlock * arcmsr_get_freesrb(struct AdapterControlBlock *acb)
{
struct CommandControlBlock *srb=NULL;
u_int32_t workingsrb_startindex, workingsrb_doneindex;
#if __FreeBSD_version < 700025
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
#endif
workingsrb_doneindex=acb->workingsrb_doneindex;
workingsrb_startindex=acb->workingsrb_startindex;
srb=acb->srbworkingQ[workingsrb_startindex];
workingsrb_startindex++;
workingsrb_startindex %= ARCMSR_MAX_FREESRB_NUM;
if(workingsrb_doneindex!=workingsrb_startindex) {
acb->workingsrb_startindex=workingsrb_startindex;
} else {
srb=NULL;
}
#if __FreeBSD_version < 700025
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
#endif
return(srb);
}
/*
**************************************************************************
**************************************************************************
*/
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, union ccb * pccb)
{
struct CMD_MESSAGE_FIELD * pcmdmessagefld;
int retvalue = 0, transfer_len = 0;
char *buffer;
u_int32_t controlcode = (u_int32_t ) pccb->csio.cdb_io.cdb_bytes[5] << 24 |
(u_int32_t ) pccb->csio.cdb_io.cdb_bytes[6] << 16 |
(u_int32_t ) pccb->csio.cdb_io.cdb_bytes[7] << 8 |
(u_int32_t ) pccb->csio.cdb_io.cdb_bytes[8];
/* 4 bytes: Areca io control code */
if((pccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
buffer = pccb->csio.data_ptr;
transfer_len = pccb->csio.dxfer_len;
} else {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer;
switch(controlcode) {
case ARCMSR_MESSAGE_READ_RQBUFFER: {
u_int8_t *pQbuffer;
u_int8_t *ptmpQbuffer=pcmdmessagefld->messagedatabuffer;
int32_t allxfer_len = 0;
while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
&& (allxfer_len < 1031)) {
pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
memcpy(ptmpQbuffer, pQbuffer, 1);
acb->rqbuf_firstindex++;
acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
ptmpQbuffer++;
allxfer_len++;
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
struct QBUFFER *prbuffer;
u_int8_t *iop_data;
int32_t iop_len;
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
prbuffer=arcmsr_get_iop_rqbuffer(acb);
iop_data = (u_int8_t *)prbuffer->data;
iop_len =(u_int32_t)prbuffer->data_len;
while (iop_len > 0) {
pQbuffer= &acb->rqbuffer[acb->rqbuf_lastindex];
memcpy(pQbuffer, iop_data, 1);
acb->rqbuf_lastindex++;
acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
iop_data++;
iop_len--;
}
arcmsr_iop_message_read(acb);
}
pcmdmessagefld->cmdmessage.Length = allxfer_len;
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
retvalue=ARCMSR_MESSAGE_SUCCESS;
}
break;
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
u_int8_t *pQbuffer;
u_int8_t *ptmpuserbuffer=pcmdmessagefld->messagedatabuffer;
user_len = pcmdmessagefld->cmdmessage.Length;
wqbuf_lastindex = acb->wqbuf_lastindex;
wqbuf_firstindex = acb->wqbuf_firstindex;
if (wqbuf_lastindex != wqbuf_firstindex) {
arcmsr_post_ioctldata2iop(acb);
/* has error report sensedata */
if(&pccb->csio.sense_data) {
((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70);
/* Valid,ErrorCode */
((u_int8_t *)&pccb->csio.sense_data)[2] = 0x05;
/* FileMark,EndOfMedia,IncorrectLength,Reserved,SenseKey */
((u_int8_t *)&pccb->csio.sense_data)[7] = 0x0A;
/* AdditionalSenseLength */
((u_int8_t *)&pccb->csio.sense_data)[12] = 0x20;
/* AdditionalSenseCode */
}
retvalue = ARCMSR_MESSAGE_FAIL;
} else {
my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
&(ARCMSR_MAX_QBUFFER - 1);
if (my_empty_len >= user_len) {
while (user_len > 0) {
pQbuffer = &acb->wqbuffer[acb->wqbuf_lastindex];
memcpy(pQbuffer, ptmpuserbuffer, 1);
acb->wqbuf_lastindex++;
acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
ptmpuserbuffer++;
user_len--;
}
if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
acb->acb_flags &=
~ACB_F_MESSAGE_WQBUFFER_CLEARED;
arcmsr_post_ioctldata2iop(acb);
}
} else {
/* has error report sensedata */
if(&pccb->csio.sense_data) {
((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70);
/* Valid,ErrorCode */
((u_int8_t *)&pccb->csio.sense_data)[2] = 0x05;
/* FileMark,EndOfMedia,IncorrectLength,Reserved,SenseKey */
((u_int8_t *)&pccb->csio.sense_data)[7] = 0x0A;
/* AdditionalSenseLength */
((u_int8_t *)&pccb->csio.sense_data)[12] = 0x20;
/* AdditionalSenseCode */
}
retvalue = ARCMSR_MESSAGE_FAIL;
}
}
}
break;
case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
u_int8_t *pQbuffer = acb->rqbuffer;
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
}
acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
u_int8_t *pQbuffer = acb->wqbuffer;
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
}
acb->acb_flags |=
(ACB_F_MESSAGE_WQBUFFER_CLEARED |
ACB_F_MESSAGE_WQBUFFER_READ);
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
u_int8_t *pQbuffer;
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
}
acb->acb_flags |=
(ACB_F_MESSAGE_WQBUFFER_CLEARED
| ACB_F_MESSAGE_RQBUFFER_CLEARED
| ACB_F_MESSAGE_WQBUFFER_READ);
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
pQbuffer = acb->rqbuffer;
memset(pQbuffer, 0, sizeof (struct QBUFFER));
pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof (struct QBUFFER));
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_REQUEST_RETURNCODE_3F: {
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
}
break;
case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t * hello_string = "Hello! I am ARCMSR";
memcpy(pcmdmessagefld->messagedatabuffer, hello_string
, (int16_t)strlen(hello_string));
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_SAY_GOODBYE:
arcmsr_iop_parking(acb);
break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
arcmsr_flush_adapter_cache(acb);
break;
default:
retvalue = ARCMSR_MESSAGE_FAIL;
}
message_out:
return retvalue;
}
/*
*********************************************************************
*********************************************************************
*/
static void arcmsr_executesrb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
{
struct CommandControlBlock *srb=(struct CommandControlBlock *)arg;
struct AdapterControlBlock *acb=(struct AdapterControlBlock *)srb->acb;
union ccb * pccb;
int target, lun;
pccb=srb->pccb;
target=pccb->ccb_h.target_id;
lun=pccb->ccb_h.target_lun;
if(error != 0) {
if(error != EFBIG) {
printf("arcmsr%d: unexpected error %x"
" returned from 'bus_dmamap_load' \n"
, acb->pci_unit, error);
}
if((pccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
pccb->ccb_h.status |= CAM_REQ_TOO_BIG;
}
arcmsr_srb_complete(srb, 0);
return;
}
if(nseg > ARCMSR_MAX_SG_ENTRIES) {
pccb->ccb_h.status |= CAM_REQ_TOO_BIG;
arcmsr_srb_complete(srb, 0);
return;
}
if(acb->acb_flags & ACB_F_BUS_RESET) {
printf("arcmsr%d: bus reset and return busy \n", acb->pci_unit);
pccb->ccb_h.status |= CAM_SCSI_BUS_RESET;
arcmsr_srb_complete(srb, 0);
return;
}
if(acb->devstate[target][lun]==ARECA_RAID_GONE) {
u_int8_t block_cmd;
block_cmd=pccb->csio.cdb_io.cdb_bytes[0] & 0x0f;
if(block_cmd==0x08 || block_cmd==0x0a) {
printf("arcmsr%d:block 'read/write' command"
"with gone raid volume Cmd=%2x, TargetId=%d, Lun=%d \n"
, acb->pci_unit, block_cmd, target, lun);
pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
arcmsr_srb_complete(srb, 0);
return;
}
}
if((pccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
if(nseg != 0) {
bus_dmamap_unload(acb->dm_segs_dmat, srb->dm_segs_dmamap);
}
arcmsr_srb_complete(srb, 0);
return;
}
if(acb->srboutstandingcount >= ARCMSR_MAX_OUTSTANDING_CMD) {
xpt_freeze_simq(acb->psim, 1);
pccb->ccb_h.status = CAM_REQUEUE_REQ;
acb->acb_flags |= ACB_F_CAM_DEV_QFRZN;
arcmsr_srb_complete(srb, 0);
return;
}
pccb->ccb_h.status |= CAM_SIM_QUEUED;
arcmsr_build_srb(srb, dm_segs, nseg);
arcmsr_post_srb(acb, srb);
return;
}
/*
*****************************************************************************************
*****************************************************************************************
*/
static u_int8_t arcmsr_seek_cmd2abort(union ccb * abortccb)
{
struct CommandControlBlock *srb;
struct AdapterControlBlock *acb=(struct AdapterControlBlock *) abortccb->ccb_h.arcmsr_ccbacb_ptr;
u_int32_t intmask_org;
int i=0;
acb->num_aborts++;
/*
***************************************************************************
** It is the upper layer do abort command this lock just prior to calling us.
** First determine if we currently own this command.
** Start by searching the device queue. If not found
** at all, and the system wanted us to just abort the
** command return success.
***************************************************************************
*/
if(acb->srboutstandingcount!=0) {
for(i=0;i<ARCMSR_MAX_FREESRB_NUM;i++) {
srb=acb->psrb_pool[i];
if(srb->startdone==ARCMSR_SRB_START) {
if(srb->pccb==abortccb) {
srb->startdone=ARCMSR_SRB_ABORTED;
printf("arcmsr%d:scsi id=%d lun=%d abort srb '%p'"
"outstanding command \n"
, acb->pci_unit, abortccb->ccb_h.target_id
, abortccb->ccb_h.target_lun, srb);
goto abort_outstanding_cmd;
}
}
}
}
return(FALSE);
abort_outstanding_cmd:
/* disable all outbound interrupt */
intmask_org=arcmsr_disable_allintr(acb);
arcmsr_polling_srbdone(acb, srb);
/* enable outbound Post Queue, outbound doorbell Interrupt */
arcmsr_enable_allintr(acb, intmask_org);
return (TRUE);
}
/*
****************************************************************************
****************************************************************************
*/
static void arcmsr_bus_reset(struct AdapterControlBlock *acb)
{
int retry=0;
acb->num_resets++;
acb->acb_flags |=ACB_F_BUS_RESET;
while(acb->srboutstandingcount!=0 && retry < 400) {
arcmsr_interrupt(acb);
UDELAY(25000);
retry++;
}
arcmsr_iop_reset(acb);
acb->acb_flags &= ~ACB_F_BUS_RESET;
return;
}
/*
**************************************************************************
**************************************************************************
*/
static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
union ccb * pccb)
{
pccb->ccb_h.status |= CAM_REQ_CMP;
switch (pccb->csio.cdb_io.cdb_bytes[0]) {
case INQUIRY: {
unsigned char inqdata[36];
char *buffer=pccb->csio.data_ptr;;
if (pccb->ccb_h.target_lun) {
pccb->ccb_h.status |= CAM_SEL_TIMEOUT;
xpt_done(pccb);
return;
}
inqdata[0] = T_PROCESSOR;
/* Periph Qualifier & Periph Dev Type */
inqdata[1] = 0;
/* rem media bit & Dev Type Modifier */
inqdata[2] = 0;
/* ISO, ECMA, & ANSI versions */
inqdata[4] = 31;
/* length of additional data */
strncpy(&inqdata[8], "Areca ", 8);
/* Vendor Identification */
strncpy(&inqdata[16], "RAID controller ", 16);
/* Product Identification */
strncpy(&inqdata[32], "R001", 4); /* Product Revision */
memcpy(buffer, inqdata, sizeof(inqdata));
xpt_done(pccb);
}
break;
case WRITE_BUFFER:
case READ_BUFFER: {
if (arcmsr_iop_message_xfer(acb, pccb)) {
pccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
pccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
}
xpt_done(pccb);
}
break;
default:
xpt_done(pccb);
}
}
/*
*********************************************************************
*********************************************************************
*/
static void arcmsr_action(struct cam_sim * psim, union ccb * pccb)
{
struct AdapterControlBlock * acb;
acb=(struct AdapterControlBlock *) cam_sim_softc(psim);
if(acb==NULL) {
pccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(pccb);
return;
}
switch (pccb->ccb_h.func_code) {
case XPT_SCSI_IO: {
struct CommandControlBlock *srb;
int target=pccb->ccb_h.target_id;
if(target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, pccb);
return;
}
if((srb=arcmsr_get_freesrb(acb)) == NULL) {
pccb->ccb_h.status |= CAM_RESRC_UNAVAIL;
xpt_done(pccb);
return;
}
pccb->ccb_h.arcmsr_ccbsrb_ptr=srb;
pccb->ccb_h.arcmsr_ccbacb_ptr=acb;
srb->pccb=pccb;
if((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if(!(pccb->ccb_h.flags & CAM_SCATTER_VALID)) {
/* Single buffer */
if(!(pccb->ccb_h.flags & CAM_DATA_PHYS)) {
/* Buffer is virtual */
u_int32_t error, s;
s=splsoftvm();
error = bus_dmamap_load(acb->dm_segs_dmat
, srb->dm_segs_dmamap
, pccb->csio.data_ptr
, pccb->csio.dxfer_len
, arcmsr_executesrb, srb, /*flags*/0);
if(error == EINPROGRESS) {
xpt_freeze_simq(acb->psim, 1);
pccb->ccb_h.status |= CAM_RELEASE_SIMQ;
}
splx(s);
} else {
/* Buffer is physical */
panic("arcmsr: CAM_DATA_PHYS not supported");
}
} else {
/* Scatter/gather list */
struct bus_dma_segment *segs;
if((pccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0
|| (pccb->ccb_h.flags & CAM_DATA_PHYS) != 0) {
pccb->ccb_h.status |= CAM_PROVIDE_FAIL;
xpt_done(pccb);
free(srb, M_DEVBUF);
return;
}
segs=(struct bus_dma_segment *)pccb->csio.data_ptr;
arcmsr_executesrb(srb, segs, pccb->csio.sglist_cnt, 0);
}
} else {
arcmsr_executesrb(srb, NULL, 0, 0);
}
break;
}
case XPT_TARGET_IO: {
/* target mode not yet support vendor specific commands. */
pccb->ccb_h.status |= CAM_REQ_CMP;
xpt_done(pccb);
break;
}
case XPT_PATH_INQ: {
struct ccb_pathinq *cpi= &pccb->cpi;
cpi->version_num=1;
cpi->hba_inquiry=PI_SDTR_ABLE | PI_TAG_ABLE;
cpi->target_sprt=0;
cpi->hba_misc=0;
cpi->hba_eng_cnt=0;
cpi->max_target=ARCMSR_MAX_TARGETID; /* 0-16 */
cpi->max_lun=ARCMSR_MAX_TARGETLUN; /* 0-7 */
cpi->initiator_id=ARCMSR_SCSI_INITIATOR_ID; /* 255 */
cpi->bus_id=cam_sim_bus(psim);
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "ARCMSR", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(psim), DEV_IDLEN);
cpi->unit_number=cam_sim_unit(psim);
#ifdef CAM_NEW_TRAN_CODE
cpi->transport = XPORT_SPI;
cpi->transport_version = 2;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
#endif
cpi->ccb_h.status |= CAM_REQ_CMP;
xpt_done(pccb);
break;
}
case XPT_ABORT: {
union ccb *pabort_ccb;
pabort_ccb=pccb->cab.abort_ccb;
switch (pabort_ccb->ccb_h.func_code) {
case XPT_ACCEPT_TARGET_IO:
case XPT_IMMED_NOTIFY:
case XPT_CONT_TARGET_IO:
if(arcmsr_seek_cmd2abort(pabort_ccb)==TRUE) {
pabort_ccb->ccb_h.status |= CAM_REQ_ABORTED;
xpt_done(pabort_ccb);
pccb->ccb_h.status |= CAM_REQ_CMP;
} else {
xpt_print_path(pabort_ccb->ccb_h.path);
printf("Not found\n");
pccb->ccb_h.status |= CAM_PATH_INVALID;
}
break;
case XPT_SCSI_IO:
pccb->ccb_h.status |= CAM_UA_ABORT;
break;
default:
pccb->ccb_h.status |= CAM_REQ_INVALID;
break;
}
xpt_done(pccb);
break;
}
case XPT_RESET_BUS:
case XPT_RESET_DEV: {
u_int32_t i;
arcmsr_bus_reset(acb);
for (i=0; i < 500; i++) {
DELAY(1000);
}
pccb->ccb_h.status |= CAM_REQ_CMP;
xpt_done(pccb);
break;
}
case XPT_TERM_IO: {
pccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(pccb);
break;
}
case XPT_GET_TRAN_SETTINGS: {
struct ccb_trans_settings *cts;
if(pccb->ccb_h.target_id == 16) {
pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
xpt_done(pccb);
break;
}
cts= &pccb->cts;
#ifdef CAM_NEW_TRAN_CODE
{
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_spi *spi;
scsi = &cts->proto_specific.scsi;
spi = &cts->xport_specific.spi;
cts->protocol = PROTO_SCSI;
cts->protocol_version = SCSI_REV_2;
cts->transport = XPORT_SPI;
cts->transport_version = 2;
spi->flags = CTS_SPI_FLAGS_DISC_ENB;
spi->sync_period=3;
spi->sync_offset=32;
spi->bus_width=MSG_EXT_WDTR_BUS_16_BIT;
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
spi->valid = CTS_SPI_VALID_DISC
| CTS_SPI_VALID_SYNC_RATE
| CTS_SPI_VALID_SYNC_OFFSET
| CTS_SPI_VALID_BUS_WIDTH;
scsi->valid = CTS_SCSI_VALID_TQ;
}
#else
{
cts->flags=(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
cts->sync_period=3;
cts->sync_offset=32;
cts->bus_width=MSG_EXT_WDTR_BUS_16_BIT;
cts->valid=CCB_TRANS_SYNC_RATE_VALID |
CCB_TRANS_SYNC_OFFSET_VALID |
CCB_TRANS_BUS_WIDTH_VALID |
CCB_TRANS_DISC_VALID |
CCB_TRANS_TQ_VALID;
}
#endif
pccb->ccb_h.status |= CAM_REQ_CMP;
xpt_done(pccb);
break;
}
case XPT_SET_TRAN_SETTINGS: {
pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
xpt_done(pccb);
break;
}
case XPT_CALC_GEOMETRY: {
struct ccb_calc_geometry *ccg;
u_int32_t size_mb;
u_int32_t secs_per_cylinder;
if(pccb->ccb_h.target_id == 16) {
pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
xpt_done(pccb);
break;
}
ccg= &pccb->ccg;
if (ccg->block_size == 0) {
pccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(pccb);
break;
}
if(((1024L * 1024L)/ccg->block_size) < 0) {
pccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(pccb);
break;
}
size_mb=ccg->volume_size/((1024L * 1024L)/ccg->block_size);
if(size_mb > 1024 ) {
ccg->heads=255;
ccg->secs_per_track=63;
} else {
ccg->heads=64;
ccg->secs_per_track=32;
}
secs_per_cylinder=ccg->heads * ccg->secs_per_track;
ccg->cylinders=ccg->volume_size / secs_per_cylinder;
pccb->ccb_h.status |= CAM_REQ_CMP;
xpt_done(pccb);
break;
}
default:
pccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(pccb);
break;
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
{
acb->acb_flags |= ACB_F_MSG_START_BGRB;
CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_START_BGRB);
if(!arcmsr_hba_wait_msgint_ready(acb)) {
printf("arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
{
acb->acb_flags |= ACB_F_MSG_START_BGRB;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_START_BGRB);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
arcmsr_start_hba_bgrb(acb);
break;
case ACB_ADAPTER_TYPE_B:
arcmsr_start_hbb_bgrb(acb);
break;
}
return;
}
/*
**********************************************************************
**
**********************************************************************
*/
static void arcmsr_polling_hba_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
{
struct CommandControlBlock *srb;
u_int32_t flag_srb, outbound_intstatus, poll_srb_done=0, poll_count=0;
polling_ccb_retry:
poll_count++;
outbound_intstatus=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_intstatus) & acb->outbound_int_enable;
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_intstatus, outbound_intstatus);/*clear interrupt*/
bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
while(1) {
if((flag_srb=CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_queueport))==0xFFFFFFFF) {
if(poll_srb_done) {
break;/*chip FIFO no ccb for completion already*/
} else {
UDELAY(25000);
if(poll_count > 100) {
break;
}
goto polling_ccb_retry;
}
}
/* check ifcommand done with no error*/
srb=(struct CommandControlBlock *)
(acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
poll_srb_done = (srb==poll_srb) ? 1:0;
if((srb->acb!=acb) || (srb->startdone!=ARCMSR_SRB_START)) {
if(srb->startdone==ARCMSR_SRB_ABORTED) {
printf("arcmsr%d: scsi id=%d lun=%d srb='%p'"
"poll command abort successfully \n"
, acb->pci_unit
, srb->pccb->ccb_h.target_id
, srb->pccb->ccb_h.target_lun, srb);
srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
arcmsr_srb_complete(srb, 1);
continue;
}
printf("arcmsr%d: polling get an illegal srb command done srb='%p'"
"srboutstandingcount=%d \n"
, acb->pci_unit
, srb, acb->srboutstandingcount);
continue;
}
arcmsr_report_srb_state(acb, srb, flag_srb);
} /*drain reply FIFO*/
return;
}
/*
**********************************************************************
**
**********************************************************************
*/
static void arcmsr_polling_hbb_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
{
struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
struct CommandControlBlock *srb;
u_int32_t flag_srb, poll_srb_done=0, poll_count=0;
int index;
polling_ccb_retry:
poll_count++;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell, ARCMSR_DOORBELL_INT_CLEAR_PATTERN); /* clear doorbell interrupt */
bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
while(1) {
index=phbbmu->doneq_index;
if((flag_srb=phbbmu->done_qbuffer[index]) == 0) {
if(poll_srb_done) {
break;/*chip FIFO no ccb for completion already*/
} else {
UDELAY(25000);
if(poll_count > 100) {
break;
}
goto polling_ccb_retry;
}
}
phbbmu->done_qbuffer[index]=0;
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE; /*if last index number set it to 0 */
phbbmu->doneq_index=index;
/* check if command done with no error*/
srb=(struct CommandControlBlock *)
(acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
poll_srb_done = (srb==poll_srb) ? 1:0;
if((srb->acb!=acb) || (srb->startdone!=ARCMSR_SRB_START)) {
if(srb->startdone==ARCMSR_SRB_ABORTED) {
printf("arcmsr%d: scsi id=%d lun=%d srb='%p'"
"poll command abort successfully \n"
, acb->pci_unit
, srb->pccb->ccb_h.target_id
, srb->pccb->ccb_h.target_lun, srb);
srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
arcmsr_srb_complete(srb, 1);
continue;
}
printf("arcmsr%d: polling get an illegal srb command done srb='%p'"
"srboutstandingcount=%d \n"
, acb->pci_unit
, srb, acb->srboutstandingcount);
continue;
}
arcmsr_report_srb_state(acb, srb, flag_srb);
} /*drain reply FIFO*/
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_polling_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_polling_hba_srbdone(acb, poll_srb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_polling_hbb_srbdone(acb, poll_srb);
}
break;
}
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
{
char *acb_firm_model=acb->firm_model;
char *acb_firm_version=acb->firm_version;
size_t iop_firm_model=offsetof(struct HBA_MessageUnit,msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
size_t iop_firm_version=offsetof(struct HBA_MessageUnit,msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
int i;
CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
if(!arcmsr_hba_wait_msgint_ready(acb)) {
printf("arcmsr%d: wait 'get adapter firmware miscellaneous data' timeout \n"
, acb->pci_unit);
}
i=0;
while(i<8) {
*acb_firm_model=bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_model+i);
/* 8 bytes firm_model, 15, 60-67*/
acb_firm_model++;
i++;
}
i=0;
while(i<16) {
*acb_firm_version=bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_version+i);
/* 16 bytes firm_version, 17, 68-83*/
acb_firm_version++;
i++;
}
printf("ARECA RAID ADAPTER%d: %s \n", acb->pci_unit, ARCMSR_DRIVER_VERSION);
printf("ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n", acb->pci_unit, acb->firm_version);
acb->firm_request_len=CHIP_REG_READ32(HBA_MessageUnit,
0, msgcode_rwbuffer[1]); /*firm_request_len, 1, 04-07*/
acb->firm_numbers_queue=CHIP_REG_READ32(HBA_MessageUnit,
0, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
acb->firm_sdram_size=CHIP_REG_READ32(HBA_MessageUnit,
0, msgcode_rwbuffer[3]); /*firm_sdram_size, 3, 12-15*/
acb->firm_ide_channels=CHIP_REG_READ32(HBA_MessageUnit,
0, msgcode_rwbuffer[4]); /*firm_ide_channels, 4, 16-19*/
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
{
char *acb_firm_model=acb->firm_model;
char *acb_firm_version=acb->firm_version;
size_t iop_firm_model=offsetof(struct HBB_RWBUFFER,
msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
size_t iop_firm_version=offsetof(struct HBB_RWBUFFER,
msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
int i;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_GET_CONFIG);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d: wait"
"'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
}
i=0;
while(i<8) {
*acb_firm_model=bus_space_read_1(acb->btag[1], acb->bhandle[1], iop_firm_model+i);
/* 8 bytes firm_model, 15, 60-67*/
acb_firm_model++;
i++;
}
i=0;
while(i<16) {
*acb_firm_version=bus_space_read_1(acb->btag[1], acb->bhandle[1], iop_firm_version+i);
/* 16 bytes firm_version, 17, 68-83*/
acb_firm_version++;
i++;
}
printf("ARECA RAID ADAPTER%d: %s \n", acb->pci_unit, ARCMSR_DRIVER_VERSION);
printf("ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n", acb->pci_unit, acb->firm_version);
acb->firm_request_len=CHIP_REG_READ32(HBB_RWBUFFER,
1, msgcode_rwbuffer[1]); /*firm_request_len, 1, 04-07*/
acb->firm_numbers_queue=CHIP_REG_READ32(HBB_RWBUFFER,
1, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
acb->firm_sdram_size=CHIP_REG_READ32(HBB_RWBUFFER,
1, msgcode_rwbuffer[3]); /*firm_sdram_size, 3, 12-15*/
acb->firm_ide_channels=CHIP_REG_READ32(HBB_RWBUFFER,
1, msgcode_rwbuffer[4]); /*firm_ide_channels, 4, 16-19*/
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_get_hba_config(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_get_hbb_config(acb);
}
break;
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_wait_firmware_ready( struct AdapterControlBlock *acb)
{
int timeout=0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
while ((CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0)
{
if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
{
printf( "arcmsr%d:"
"timed out waiting for firmware \n", acb->pci_unit);
return;
}
UDELAY(15000); /* wait 15 milli-seconds */
}
}
break;
case ACB_ADAPTER_TYPE_B: {
while ((CHIP_REG_READ32(HBB_DOORBELL,
0, iop2drv_doorbell) & ARCMSR_MESSAGE_FIRMWARE_OK) == 0)
{
if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
{
printf( "arcmsr%d:"
" timed out waiting for firmware \n", acb->pci_unit);
return;
}
UDELAY(15000); /* wait 15 milli-seconds */
}
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
}
break;
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_clear_doorbell_queue_buffer( struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
/* empty doorbell Qbuffer if door bell ringed */
CHIP_REG_WRITE32(HBA_MessageUnit,
0, outbound_doorbell,
CHIP_REG_READ32(HBA_MessageUnit,
0, outbound_doorbell));/*clear doorbell interrupt */
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);
}
break;
case ACB_ADAPTER_TYPE_B: {
CHIP_REG_WRITE32(HBB_DOORBELL,
0, iop2drv_doorbell, ARCMSR_MESSAGE_INT_CLEAR_PATTERN);/*clear interrupt and message state*/
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_READ_OK);
/* let IOP know data has been read */
}
break;
}
return;
}
/*
************************************************************************
************************************************************************
*/
static u_int32_t arcmsr_iop_confirm(struct AdapterControlBlock *acb)
{
unsigned long srb_phyaddr;
u_int32_t srb_phyaddr_hi32;
/*
********************************************************************
** here we need to tell iop 331 our freesrb.HighPart
** if freesrb.HighPart is not zero
********************************************************************
*/
srb_phyaddr= (unsigned long) acb->srb_phyaddr;
srb_phyaddr_hi32=(u_int32_t) ((srb_phyaddr>>16)>>16);
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
if(srb_phyaddr_hi32!=0) {
CHIP_REG_WRITE32(HBA_MessageUnit,
0, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG);
CHIP_REG_WRITE32(HBA_MessageUnit,
0, msgcode_rwbuffer[1], srb_phyaddr_hi32);
CHIP_REG_WRITE32(HBA_MessageUnit,
0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_SET_CONFIG);
if(!arcmsr_hba_wait_msgint_ready(acb)) {
printf( "arcmsr%d:"
" 'set srb high part physical address' timeout \n", acb->pci_unit);
return FALSE;
}
}
}
break;
/*
***********************************************************************
** if adapter type B, set window of "post command Q"
***********************************************************************
*/
case ACB_ADAPTER_TYPE_B: {
u_int32_t post_queue_phyaddr;
struct HBB_MessageUnit *phbbmu;
phbbmu=(struct HBB_MessageUnit *)acb->pmu;
phbbmu->postq_index=0;
phbbmu->doneq_index=0;
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_SET_POST_WINDOW);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d:"
" 'set window of post command Q' timeout\n", acb->pci_unit);
return FALSE;
}
post_queue_phyaddr = srb_phyaddr
+ ARCMSR_MAX_FREESRB_NUM*sizeof(struct CommandControlBlock)
+ offsetof(struct HBB_MessageUnit, post_qbuffer);
CHIP_REG_WRITE32(HBB_RWBUFFER,
1, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG); /* driver "set config" signature */
CHIP_REG_WRITE32(HBB_RWBUFFER,
1, msgcode_rwbuffer[1], srb_phyaddr_hi32); /* normal should be zero */
CHIP_REG_WRITE32(HBB_RWBUFFER,
1, msgcode_rwbuffer[2], post_queue_phyaddr); /* postQ size (256+8)*4 */
CHIP_REG_WRITE32(HBB_RWBUFFER,
1, msgcode_rwbuffer[3], post_queue_phyaddr+1056); /* doneQ size (256+8)*4 */
CHIP_REG_WRITE32(HBB_RWBUFFER,
1, msgcode_rwbuffer[4], 1056); /* srb maxQ size must be --> [(256+8)*4] */
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_SET_CONFIG);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d: 'set command Q window' timeout \n", acb->pci_unit);
return FALSE;
}
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell, ARCMSR_MESSAGE_START_DRIVER_MODE);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d: 'start diver mode' timeout \n", acb->pci_unit);
return FALSE;
}
}
break;
}
return TRUE;
}
/*
************************************************************************
************************************************************************
*/
static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type)
{
case ACB_ADAPTER_TYPE_A:
return;
case ACB_ADAPTER_TYPE_B: {
CHIP_REG_WRITE32(HBB_DOORBELL,
0, drv2iop_doorbell,ARCMSR_MESSAGE_ACTIVE_EOI_MODE);
if(!arcmsr_hbb_wait_msgint_ready(acb)) {
printf( "arcmsr%d:"
" 'iop enable eoi mode' timeout \n", acb->pci_unit);
return;
}
}
break;
}
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_iop_init(struct AdapterControlBlock *acb)
{
u_int32_t intmask_org;
/* disable all outbound interrupt */
intmask_org=arcmsr_disable_allintr(acb);
arcmsr_wait_firmware_ready(acb);
arcmsr_iop_confirm(acb);
arcmsr_get_firmware_spec(acb);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* empty doorbell Qbuffer if door bell ringed */
arcmsr_clear_doorbell_queue_buffer(acb);
arcmsr_enable_eoi_mode(acb);
/* enable outbound Post Queue, outbound doorbell Interrupt */
arcmsr_enable_allintr(acb, intmask_org);
acb->acb_flags |=ACB_F_IOP_INITED;
return;
}
/*
**********************************************************************
**********************************************************************
*/
static void arcmsr_map_freesrb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
{
struct AdapterControlBlock *acb=arg;
struct CommandControlBlock *srb_tmp;
u_int8_t * dma_memptr;
u_int32_t i;
unsigned long srb_phyaddr=(unsigned long)segs->ds_addr;
dma_memptr=acb->uncacheptr;
acb->srb_phyaddr=srb_phyaddr;
srb_tmp=(struct CommandControlBlock *)dma_memptr;
for(i=0;i<ARCMSR_MAX_FREESRB_NUM;i++) {
if(bus_dmamap_create(acb->dm_segs_dmat,
/*flags*/0, &srb_tmp->dm_segs_dmamap)!=0) {
acb->acb_flags |= ACB_F_MAPFREESRB_FAILD;
printf("arcmsr%d:"
" srb dmamap bus_dmamap_create error\n", acb->pci_unit);
return;
}
srb_tmp->cdb_shifted_phyaddr=srb_phyaddr >> 5;
srb_tmp->acb=acb;
acb->srbworkingQ[i]=acb->psrb_pool[i]=srb_tmp;
srb_phyaddr=srb_phyaddr+sizeof(struct CommandControlBlock);
srb_tmp++;
}
acb->vir2phy_offset=(unsigned long)srb_tmp-(unsigned long)srb_phyaddr;
return;
}
/*
************************************************************************
**
**
************************************************************************
*/
static void arcmsr_free_resource(struct AdapterControlBlock *acb)
{
/* remove the control device */
if(acb->ioctl_dev != NULL) {
destroy_dev(acb->ioctl_dev);
}
bus_dmamap_unload(acb->srb_dmat, acb->srb_dmamap);
bus_dmamap_destroy(acb->srb_dmat, acb->srb_dmamap);
bus_dma_tag_destroy(acb->srb_dmat);
bus_dma_tag_destroy(acb->dm_segs_dmat);
bus_dma_tag_destroy(acb->parent_dmat);
return;
}
/*
************************************************************************
************************************************************************
*/
static u_int32_t arcmsr_initialize(device_t dev)
{
struct AdapterControlBlock *acb=device_get_softc(dev);
u_int16_t pci_command;
int i, j,max_coherent_size;
switch (pci_get_devid(dev)) {
case PCIDevVenIDARC1201: {
acb->adapter_type=ACB_ADAPTER_TYPE_B;
max_coherent_size=ARCMSR_SRBS_POOL_SIZE
+(sizeof(struct HBB_MessageUnit));
}
break;
case PCIDevVenIDARC1110:
case PCIDevVenIDARC1120:
case PCIDevVenIDARC1130:
case PCIDevVenIDARC1160:
case PCIDevVenIDARC1170:
case PCIDevVenIDARC1210:
case PCIDevVenIDARC1220:
case PCIDevVenIDARC1230:
case PCIDevVenIDARC1260:
case PCIDevVenIDARC1270:
case PCIDevVenIDARC1280:
case PCIDevVenIDARC1380:
case PCIDevVenIDARC1381:
case PCIDevVenIDARC1680:
case PCIDevVenIDARC1681: {
acb->adapter_type=ACB_ADAPTER_TYPE_A;
max_coherent_size=ARCMSR_SRBS_POOL_SIZE;
}
break;
default: {
printf("arcmsr%d:"
" unknown RAID adapter type \n", device_get_unit(dev));
return ENOMEM;
}
}
#if __FreeBSD_version >= 502010
if(bus_dma_tag_create( /*parent*/ NULL,
/*alignemnt*/ 1,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/ BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
/*lockfunc*/ NULL,
/*lockarg*/ NULL,
&acb->parent_dmat) != 0)
#else
if(bus_dma_tag_create( /*parent*/ NULL,
/*alignemnt*/ 1,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/ BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
&acb->parent_dmat) != 0)
#endif
{
printf("arcmsr%d: parent_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
return ENOMEM;
}
/* Create a single tag describing a region large enough to hold all of the s/g lists we will need. */
#if __FreeBSD_version >= 502010
if(bus_dma_tag_create( /*parent_dmat*/ acb->parent_dmat,
/*alignment*/ 1,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ MAXBSIZE,
/*nsegments*/ ARCMSR_MAX_SG_ENTRIES,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
/*lockfunc*/ busdma_lock_mutex,
#if __FreeBSD_version >= 700025
/*lockarg*/ &acb->qbuffer_lock,
#else
/*lockarg*/ &Giant,
#endif
&acb->dm_segs_dmat) != 0)
#else
if(bus_dma_tag_create( /*parent_dmat*/ acb->parent_dmat,
/*alignment*/ 1,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ MAXBSIZE,
/*nsegments*/ ARCMSR_MAX_SG_ENTRIES,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
&acb->dm_segs_dmat) != 0)
#endif
{
bus_dma_tag_destroy(acb->parent_dmat);
printf("arcmsr%d: dm_segs_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
return ENOMEM;
}
/* DMA tag for our srb structures.... Allocate the freesrb memory */
#if __FreeBSD_version >= 502010
if(bus_dma_tag_create( /*parent_dmat*/ acb->parent_dmat,
/*alignment*/ 0x20,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ max_coherent_size,
/*nsegments*/ 1,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
/*lockfunc*/ NULL,
/*lockarg*/ NULL,
&acb->srb_dmat) != 0)
#else
if(bus_dma_tag_create( /*parent_dmat*/ acb->parent_dmat,
/*alignment*/ 0x20,
/*boundary*/ 0,
/*lowaddr*/ BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/ BUS_SPACE_MAXADDR,
/*filter*/ NULL,
/*filterarg*/ NULL,
/*maxsize*/ max_coherent_size,
/*nsegments*/ 1,
/*maxsegsz*/ BUS_SPACE_MAXSIZE_32BIT,
/*flags*/ 0,
&acb->srb_dmat) != 0)
#endif
{
bus_dma_tag_destroy(acb->dm_segs_dmat);
bus_dma_tag_destroy(acb->parent_dmat);
printf("arcmsr%d: srb_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
return ENXIO;
}
/* Allocation for our srbs */
if(bus_dmamem_alloc(acb->srb_dmat, (void **)&acb->uncacheptr
, BUS_DMA_WAITOK | BUS_DMA_COHERENT, &acb->srb_dmamap) != 0) {
bus_dma_tag_destroy(acb->srb_dmat);
bus_dma_tag_destroy(acb->dm_segs_dmat);
bus_dma_tag_destroy(acb->parent_dmat);
printf("arcmsr%d: srb_dmat bus_dmamem_alloc failure!\n", device_get_unit(dev));
return ENXIO;
}
/* And permanently map them */
if(bus_dmamap_load(acb->srb_dmat, acb->srb_dmamap, acb->uncacheptr
, max_coherent_size, arcmsr_map_freesrb, acb, /*flags*/0)) {
bus_dma_tag_destroy(acb->srb_dmat);
bus_dma_tag_destroy(acb->dm_segs_dmat);
bus_dma_tag_destroy(acb->parent_dmat);
printf("arcmsr%d: srb_dmat bus_dmamap_load failure!\n", device_get_unit(dev));
return ENXIO;
}
pci_command=pci_read_config(dev, PCIR_COMMAND, 2);
pci_command |= PCIM_CMD_BUSMASTEREN;
pci_command |= PCIM_CMD_PERRESPEN;
pci_command |= PCIM_CMD_MWRICEN;
/* Enable Busmaster/Mem */
pci_command |= PCIM_CMD_MEMEN;
pci_write_config(dev, PCIR_COMMAND, pci_command, 2);
switch(acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
u_int32_t rid0=PCIR_BAR(0);
vm_offset_t mem_base0;
acb->sys_res_arcmsr[0]=bus_alloc_resource(dev,
SYS_RES_MEMORY, &rid0, 0ul, ~0ul, 0x1000, RF_ACTIVE);
if(acb->sys_res_arcmsr[0] == NULL) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" bus_alloc_resource failure!\n", device_get_unit(dev));
return ENOMEM;
}
if(rman_get_start(acb->sys_res_arcmsr[0]) <= 0) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" rman_get_start failure!\n", device_get_unit(dev));
return ENXIO;
}
mem_base0=(vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[0]);
if(mem_base0==0) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" rman_get_virtual failure!\n", device_get_unit(dev));
return ENXIO;
}
acb->btag[0]=rman_get_bustag(acb->sys_res_arcmsr[0]);
acb->bhandle[0]=rman_get_bushandle(acb->sys_res_arcmsr[0]);
acb->pmu=(struct MessageUnit_UNION *)mem_base0;
}
break;
case ACB_ADAPTER_TYPE_B: {
struct HBB_MessageUnit *phbbmu;
struct CommandControlBlock *freesrb;
u_int32_t rid[]={ PCIR_BAR(0), PCIR_BAR(2) };
vm_offset_t mem_base[]={0,0};
for(i=0; i<2; i++) {
if(i==0) {
acb->sys_res_arcmsr[i]=bus_alloc_resource(dev,
SYS_RES_MEMORY, &rid[i],
0x20400, 0x20400+sizeof(struct HBB_DOORBELL),
sizeof(struct HBB_DOORBELL), RF_ACTIVE);
} else {
acb->sys_res_arcmsr[i]=bus_alloc_resource(dev,
SYS_RES_MEMORY, &rid[i],
0x0fa00, 0x0fa00+sizeof(struct HBB_RWBUFFER),
sizeof(struct HBB_RWBUFFER), RF_ACTIVE);
}
if(acb->sys_res_arcmsr[i] == NULL) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" bus_alloc_resource %d failure!\n", device_get_unit(dev), i);
return ENOMEM;
}
if(rman_get_start(acb->sys_res_arcmsr[i]) <= 0) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" rman_get_start %d failure!\n", device_get_unit(dev), i);
return ENXIO;
}
mem_base[i]=(vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[i]);
if(mem_base[i]==0) {
arcmsr_free_resource(acb);
printf("arcmsr%d:"
" rman_get_virtual %d failure!\n", device_get_unit(dev), i);
return ENXIO;
}
acb->btag[i]=rman_get_bustag(acb->sys_res_arcmsr[i]);
acb->bhandle[i]=rman_get_bushandle(acb->sys_res_arcmsr[i]);
}
freesrb=(struct CommandControlBlock *)acb->uncacheptr;
acb->pmu=(struct MessageUnit_UNION *)&freesrb[ARCMSR_MAX_FREESRB_NUM];
phbbmu=(struct HBB_MessageUnit *)acb->pmu;
phbbmu->hbb_doorbell=(struct HBB_DOORBELL *)mem_base[0];
phbbmu->hbb_rwbuffer=(struct HBB_RWBUFFER *)mem_base[1];
}
break;
}
if(acb->acb_flags & ACB_F_MAPFREESRB_FAILD) {
arcmsr_free_resource(acb);
printf("arcmsr%d: map free srb failure!\n", device_get_unit(dev));
return ENXIO;
}
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED
|ACB_F_MESSAGE_RQBUFFER_CLEARED
|ACB_F_MESSAGE_WQBUFFER_READ);
acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
/*
********************************************************************
** init raid volume state
********************************************************************
*/
for(i=0;i<ARCMSR_MAX_TARGETID;i++) {
for(j=0;j<ARCMSR_MAX_TARGETLUN;j++) {
acb->devstate[i][j]=ARECA_RAID_GONE;
}
}
arcmsr_iop_init(acb);
return(0);
}
/*
************************************************************************
************************************************************************
*/
static int arcmsr_attach(device_t dev)
{
struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
u_int32_t unit=device_get_unit(dev);
struct ccb_setasync csa;
struct cam_devq *devq; /* Device Queue to use for this SIM */
struct resource *irqres;
int rid;
if(acb == NULL) {
printf("arcmsr%d: cannot allocate softc\n", unit);
return (ENOMEM);
}
ARCMSR_LOCK_INIT(&acb->qbuffer_lock, "arcmsr Q buffer lock");
if(arcmsr_initialize(dev)) {
printf("arcmsr%d: initialize failure!\n", unit);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
return ENXIO;
}
/* After setting up the adapter, map our interrupt */
rid=0;
irqres=bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0ul, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE);
if(irqres == NULL ||
#if __FreeBSD_version >= 700025
bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY|INTR_MPSAFE
, NULL, arcmsr_intr_handler, acb, &acb->ih)) {
#else
bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY|INTR_MPSAFE
, arcmsr_intr_handler, acb, &acb->ih)) {
#endif
arcmsr_free_resource(acb);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
printf("arcmsr%d: unable to register interrupt handler!\n", unit);
return ENXIO;
}
acb->irqres=irqres;
acb->pci_dev=dev;
acb->pci_unit=unit;
/*
* Now let the CAM generic SCSI layer find the SCSI devices on
* the bus * start queue to reset to the idle loop. *
* Create device queue of SIM(s) * (MAX_START_JOB - 1) :
* max_sim_transactions
*/
devq=cam_simq_alloc(ARCMSR_MAX_START_JOB);
if(devq == NULL) {
arcmsr_free_resource(acb);
bus_release_resource(dev, SYS_RES_IRQ, 0, acb->irqres);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
printf("arcmsr%d: cam_simq_alloc failure!\n", unit);
return ENXIO;
}
#if __FreeBSD_version >= 700025
acb->psim=cam_sim_alloc(arcmsr_action, arcmsr_poll,
"arcmsr", acb, unit, &acb->qbuffer_lock, 1,
ARCMSR_MAX_OUTSTANDING_CMD, devq);
#else
acb->psim=cam_sim_alloc(arcmsr_action, arcmsr_poll,
"arcmsr", acb, unit, 1,
ARCMSR_MAX_OUTSTANDING_CMD, devq);
#endif
if(acb->psim == NULL) {
arcmsr_free_resource(acb);
bus_release_resource(dev, SYS_RES_IRQ, 0, acb->irqres);
cam_simq_free(devq);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
printf("arcmsr%d: cam_sim_alloc failure!\n", unit);
return ENXIO;
}
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
#if __FreeBSD_version >= 700044
if(xpt_bus_register(acb->psim, dev, 0) != CAM_SUCCESS) {
#else
if(xpt_bus_register(acb->psim, 0) != CAM_SUCCESS) {
#endif
arcmsr_free_resource(acb);
bus_release_resource(dev, SYS_RES_IRQ, 0, acb->irqres);
cam_sim_free(acb->psim, /*free_devq*/TRUE);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
printf("arcmsr%d: xpt_bus_register failure!\n", unit);
return ENXIO;
}
if(xpt_create_path(&acb->ppath, /* periph */ NULL
, cam_sim_path(acb->psim)
, CAM_TARGET_WILDCARD
, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
arcmsr_free_resource(acb);
bus_release_resource(dev, SYS_RES_IRQ, 0, acb->irqres);
xpt_bus_deregister(cam_sim_path(acb->psim));
cam_sim_free(acb->psim, /* free_simq */ TRUE);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
printf("arcmsr%d: xpt_create_path failure!\n", unit);
return ENXIO;
}
/*
****************************************************
*/
xpt_setup_ccb(&csa.ccb_h, acb->ppath, /*priority*/5);
csa.ccb_h.func_code=XPT_SASYNC_CB;
csa.event_enable=AC_FOUND_DEVICE|AC_LOST_DEVICE;
csa.callback=arcmsr_async;
csa.callback_arg=acb->psim;
xpt_action((union ccb *)&csa);
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
/* Create the control device. */
acb->ioctl_dev=make_dev(&arcmsr_cdevsw
, unit
, UID_ROOT
, GID_WHEEL /* GID_OPERATOR */
, S_IRUSR | S_IWUSR
, "arcmsr%d", unit);
#if __FreeBSD_version < 503000
acb->ioctl_dev->si_drv1=acb;
#endif
#if __FreeBSD_version > 500005
(void)make_dev_alias(acb->ioctl_dev, "arc%d", unit);
#endif
return 0;
}
/*
************************************************************************
************************************************************************
*/
static int arcmsr_probe(device_t dev)
{
u_int32_t id;
static char buf[256];
char *type;
int raid6 = 1;
if (pci_get_vendor(dev) != PCI_VENDOR_ID_ARECA) {
return (ENXIO);
}
switch(id=pci_get_devid(dev)) {
case PCIDevVenIDARC1110:
case PCIDevVenIDARC1210:
case PCIDevVenIDARC1201:
raid6 = 0;
/*FALLTHRU*/
case PCIDevVenIDARC1120:
case PCIDevVenIDARC1130:
case PCIDevVenIDARC1160:
case PCIDevVenIDARC1170:
case PCIDevVenIDARC1220:
case PCIDevVenIDARC1230:
case PCIDevVenIDARC1260:
case PCIDevVenIDARC1270:
case PCIDevVenIDARC1280:
type = "SATA";
break;
case PCIDevVenIDARC1380:
case PCIDevVenIDARC1381:
case PCIDevVenIDARC1680:
case PCIDevVenIDARC1681:
type = "SAS";
break;
default:
type = "X-TYPE";
break;
}
sprintf(buf, "Areca %s Host Adapter RAID Controller %s\n", type, raid6 ? "(RAID6 capable)" : "");
device_set_desc_copy(dev, buf);
return 0;
}
/*
************************************************************************
************************************************************************
*/
static int arcmsr_shutdown(device_t dev)
{
u_int32_t i;
u_int32_t intmask_org;
struct CommandControlBlock *srb;
struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
/* stop adapter background rebuild */
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
/* disable all outbound interrupt */
intmask_org=arcmsr_disable_allintr(acb);
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
/* abort all outstanding command */
acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
acb->acb_flags &= ~ACB_F_IOP_INITED;
if(acb->srboutstandingcount!=0) {
/*clear and abort all outbound posted Q*/
arcmsr_done4abort_postqueue(acb);
/* talk to iop 331 outstanding command aborted*/
arcmsr_abort_allcmd(acb);
for(i=0;i<ARCMSR_MAX_FREESRB_NUM;i++) {
srb=acb->psrb_pool[i];
if(srb->startdone==ARCMSR_SRB_START) {
srb->startdone=ARCMSR_SRB_ABORTED;
srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
arcmsr_srb_complete(srb, 1);
}
}
}
atomic_set_int(&acb->srboutstandingcount, 0);
acb->workingsrb_doneindex=0;
acb->workingsrb_startindex=0;
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
return (0);
}
/*
************************************************************************
************************************************************************
*/
static int arcmsr_detach(device_t dev)
{
struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
int i;
bus_teardown_intr(dev, acb->irqres, acb->ih);
arcmsr_shutdown(dev);
arcmsr_free_resource(acb);
for(i=0; (acb->sys_res_arcmsr[i]!=NULL) && (i<2); i++) {
bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(i), acb->sys_res_arcmsr[i]);
}
bus_release_resource(dev, SYS_RES_IRQ, 0, acb->irqres);
ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
xpt_async(AC_LOST_DEVICE, acb->ppath, NULL);
xpt_free_path(acb->ppath);
xpt_bus_deregister(cam_sim_path(acb->psim));
cam_sim_free(acb->psim, TRUE);
ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
return (0);
}
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