freebsd-dev/sys/dev/hpt27xx/os_bsd.h
Xin LI 81966bce06 Import the first release of HighPoint RocketRAID 27xx SAS 6Gb/s HBA card
driver.  This driver works for FreeBSD/i386 and FreeBSD/amd64 platforms.

Many thanks to HighPoint for providing this driver.

MFC after:	2 weeks
2011-12-28 23:26:58 +00:00

264 lines
6.5 KiB
C

/*-
* Copyright (c) 2011 HighPoint Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <dev/hpt27xx/hpt27xx_config.h>
#ifndef _OS_BSD_H
#define _OS_BSD_H
#ifndef DBG
#define DBG 0
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/cons.h>
#if (__FreeBSD_version >= 500000)
#include <sys/time.h>
#include <sys/systm.h>
#else
#include <machine/clock.h> /*to support DELAY function under 4.x BSD versions*/
#endif
#include <sys/stat.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <sys/libkern.h>
#include <sys/kernel.h>
#if (__FreeBSD_version >= 500000)
#include <sys/kthread.h>
#include <sys/mutex.h>
#include <sys/module.h>
#endif
#include <sys/eventhandler.h>
#include <sys/bus.h>
#include <sys/taskqueue.h>
#include <sys/ioccom.h>
#include <machine/resource.h>
#if __FreeBSD_version >= 500043
#include <machine/pci_cfgreg.h>
#endif
#include <machine/bus.h>
#include <machine/stdarg.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#if (__FreeBSD_version >= 500000)
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#else
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#endif
#if (__FreeBSD_version <= 500043)
#include <sys/devicestat.h>
#endif
#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/cam_xpt_periph.h>
#include <cam/cam_periph.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
#if (__FreeBSD_version < 500043)
#include <sys/bus_private.h>
#endif
typedef struct _INQUIRYDATA {
u_char DeviceType : 5;
u_char DeviceTypeQualifier : 3;
u_char DeviceTypeModifier : 7;
u_char RemovableMedia : 1;
u_char Versions;
u_char ResponseDataFormat;
u_char AdditionalLength;
u_char Reserved[2];
u_char SoftReset : 1;
u_char CommandQueue : 1;
u_char Reserved2 : 1;
u_char LinkedCommands : 1;
u_char Synchronous : 1;
u_char Wide16Bit : 1;
u_char Wide32Bit : 1;
u_char RelativeAddressing : 1;
u_char VendorId[8];
u_char ProductId[16];
u_char ProductRevisionLevel[4];
u_char VendorSpecific[20];
u_char Reserved3[40];
}
__attribute__((packed))
INQUIRYDATA, *PINQUIRYDATA;
#endif
/* private headers */
#include <dev/hpt27xx/osm.h>
#include <dev/hpt27xx/him.h>
#include <dev/hpt27xx/ldm.h>
/* driver parameters */
extern char driver_name[];
extern char driver_name_long[];
extern char driver_ver[];
extern int osm_max_targets;
/*
* adapter/vbus extensions:
* each physical controller has an adapter_ext, passed to him.create_adapter()
* each vbus has a vbus_ext passed to ldm_create_vbus().
*/
#define EXT_TYPE_HBA 1
#define EXT_TYPE_VBUS 2
typedef struct _hba {
int ext_type;
LDM_ADAPTER ldm_adapter;
device_t pcidev;
PCI_ADDRESS pciaddr;
struct _vbus_ext *vbus_ext;
struct _hba *next;
struct {
struct resource *res;
int type;
int rid;
void *base;
}
pcibar[6];
struct resource *irq_res;
void *irq_handle;
}
HBA, *PHBA;
typedef struct _os_cmdext {
struct _vbus_ext *vbus_ext;
struct _os_cmdext *next;
union ccb *ccb;
bus_dmamap_t dma_map;
SG psg[os_max_sg_descriptors];
}
OS_CMDEXT, *POS_CMDEXT;
typedef struct _vbus_ext {
int ext_type;
struct _vbus_ext *next;
PHBA hba_list;
struct freelist *freelist_head;
struct freelist *freelist_dma_head;
struct cam_sim *sim; /* sim for this vbus */
struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */
#if (__FreeBSD_version >= 500000)
struct mtx lock; /* general purpose lock */
#else
int hpt_splx;
#endif
bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */
POS_CMDEXT cmdext_list;
OSM_TASK *tasks;
struct task worker;
struct callout_handle timer;
eventhandler_tag shutdown_eh;
/* the LDM vbus instance continues */
unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
}
VBUS_EXT, *PVBUS_EXT;
#if __FreeBSD_version >= 500000
#define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock)
#define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock)
#else
static __inline void hpt_lock_vbus(PVBUS_EXT vbus_ext)
{
vbus_ext->hpt_splx = splcam();
}
static __inline void hpt_unlock_vbus(PVBUS_EXT vbus_ext)
{
splx(vbus_ext->hpt_splx);
}
#endif
#define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */
#define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM)
#define HPT_SCAN_BUS _IO('H', 1)
#if __FreeBSD_version >= 501000
#define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi_giant,(task));
#else
#define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task));
#endif
#if __FreeBSD_version >= 500000
static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
{
return msleep(ident, &vbus_ext->lock, priority, wmesg, timo);
}
#else
static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
{
int retval = 0;
asleep(ident, priority, wmesg, timo);
hpt_unlock_vbus(vbus_ext);
retval = await(priority, timo);
hpt_lock_vbus(vbus_ext);
return retval;
}
#endif
#if __FreeBSD_version < 501000
#define READ_16 0x88
#define WRITE_16 0x8a
#define SERVICE_ACTION_IN 0x9e
#endif
#define HPT_DEV_MAJOR 200