freebsd-dev/sys/dev/hptnr/hptnr_os_bsd.c
Xin LI 1fdeb1651c Import HighPoint DC Series Data Center HBA (DC7280 and R750) driver.
This driver works for FreeBSD/i386 and FreeBSD/amd64 platforms.

Many thanks to HighPoint for providing this driver.

MFC after:	1 day
2013-07-06 07:49:41 +00:00

332 lines
8.5 KiB
C

/* $Id: os_bsd.c,v 1.13 2010/05/11 03:12:11 lcn Exp $ */
/*-
* HighPoint RAID Driver for FreeBSD
* Copyright (C) 2005-2011 HighPoint Technologies, Inc. All Rights Reserved.
* 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/hptnr/hptnr_config.h>
#include <dev/hptnr/os_bsd.h>
BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr);
/* hardware access */
HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); }
HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); }
HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); }
void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
{ insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
{ outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
HPT_U32 __dummy_reg = 0;
/* PCI configuration space */
HPT_U8 os_pci_readb (void *osext, HPT_U8 offset)
{
return pci_read_config(((PHBA)osext)->pcidev, offset, 1);
}
HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
{
return pci_read_config(((PHBA)osext)->pcidev, offset, 2);
}
HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
{
return pci_read_config(((PHBA)osext)->pcidev, offset, 4);
}
void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
{
pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
}
void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
{
pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
}
void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
{
pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
}
BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr)
{
return (BUS_ADDRESS)vtophys(dmapool_virt_addr);
}
#if __FreeBSD_version < 500043
HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
{
HPT_U32 v;
pcicfgregs pciref;
pciref.bus = bus;
pciref.slot = dev;
pciref.func = func;
v = pci_cfgread(&pciref, reg, 4);
return v;
}/* PCI space access */
#else
HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
{
return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);;
}/* PCI space access */
#endif
void *os_map_pci_bar(
void *osext,
int index,
HPT_U32 offset,
HPT_U32 length
)
{
PHBA hba = (PHBA)osext;
HPT_U32 base;
hba->pcibar[index].rid = 0x10 + index * 4;
base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
if (base & 1) {
hba->pcibar[index].type = SYS_RES_IOPORT;
hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
} else {
hba->pcibar[index].type = SYS_RES_MEMORY;
hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
}
return hba->pcibar[index].base;
}
void os_unmap_pci_bar(void *osext, void *base)
{
PHBA hba = (PHBA)osext;
int index;
for (index=0; index<6; index++) {
if (hba->pcibar[index].base==base) {
bus_release_resource(hba->pcidev, hba->pcibar[index].type,
hba->pcibar[index].rid, hba->pcibar[index].res);
hba->pcibar[index].base = 0;
return;
}
}
}
void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
{
PVBUS_EXT vbus_ext = osext;
if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
vbus_ext = ((PHBA)osext)->vbus_ext;
list->next = vbus_ext->freelist_head;
vbus_ext->freelist_head = list;
list->dma = 0;
list->size = size;
list->head = 0;
#if DBG
list->reserved_count =
#endif
list->count = count;
}
void *freelist_get(struct freelist *list)
{
void * result;
if (list->count) {
HPT_ASSERT(list->head);
result = list->head;
list->head = *(void **)result;
list->count--;
return result;
}
return 0;
}
void freelist_put(struct freelist * list, void *p)
{
HPT_ASSERT(list->dma==0);
list->count++;
*(void **)p = list->head;
list->head = p;
}
void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
{
PVBUS_EXT vbus_ext = osext;
if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
vbus_ext = ((PHBA)osext)->vbus_ext;
list->next = vbus_ext->freelist_dma_head;
vbus_ext->freelist_dma_head = list;
list->dma = 1;
list->alignment = alignment;
list->size = size;
list->head = 0;
#if DBG
list->reserved_count =
#endif
list->count = count;
}
void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
{
void *result;
HPT_ASSERT(list->dma);
result = freelist_get(list);
if (result)
*busaddr = *(BUS_ADDRESS *)((void **)result+1);
return result;
}
void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
{
HPT_ASSERT(list->dma);
list->count++;
*(void **)p = list->head;
*(BUS_ADDRESS *)((void **)p+1) = busaddr;
list->head = p;
}
HPT_U32 os_get_stamp(void)
{
HPT_U32 stamp;
do { stamp = random(); } while (stamp==0);
return stamp;
}
void os_stallexec(HPT_U32 microseconds)
{
DELAY(microseconds);
}
static void os_timer_for_ldm(void *arg)
{
PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
ldm_on_timer((PVBUS)vbus_ext->vbus);
}
void os_request_timer(void * osext, HPT_U32 interval)
{
PVBUS_EXT vbus_ext = osext;
HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer);
vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000);
}
HPT_TIME os_query_time(void)
{
return ticks * (1000000 / hz);
}
void os_schedule_task(void *osext, OSM_TASK *task)
{
PVBUS_EXT vbus_ext = osext;
HPT_ASSERT(task->next==0);
if (vbus_ext->tasks==0)
vbus_ext->tasks = task;
else {
OSM_TASK *t = vbus_ext->tasks;
while (t->next) t = t->next;
t->next = task;
}
if (vbus_ext->worker.ta_context)
TASK_ENQUEUE(&vbus_ext->worker);
}
int os_revalidate_device(void *osext, int id)
{
return 0;
}
int os_query_remove_device(void *osext, int id)
{
PVBUS_EXT vbus_ext = (PVBUS_EXT)osext;
struct cam_periph *periph = NULL;
struct cam_path *path;
int status,retval = 0;
status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0);
if (status == CAM_REQ_CMP) {
if((periph = cam_periph_find(path, "da")) != NULL){
if(periph->refcount >= 1)
retval = -1;
}
xpt_free_path(path);
}
return retval;
}
HPT_U8 os_get_vbus_seq(void *osext)
{
return ((PVBUS_EXT)osext)->sim->path_id;
}
int os_printk(char *fmt, ...)
{
va_list args;
static char buf[512];
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
return printf("%s: %s\n", driver_name, buf);
}
#if DBG
void os_check_stack(const char *location, int size){}
void __os_dbgbreak(const char *file, int line)
{
printf("*** break at %s:%d ***", file, line);
while (1);
}
int hpt_dbg_level = 1;
#endif