43cd61606b
Since these calls only use default arguments, bus_alloc_resource_any() is the right call. Differential Revision: https://reviews.freebsd.org/D5306
1325 lines
32 KiB
C
1325 lines
32 KiB
C
/*
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* Copyright (c) HighPoint Technologies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <dev/hptrr/hptrr_config.h>
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/* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $
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*
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* HighPoint RAID Driver for FreeBSD
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* Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
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*/
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#include <dev/hptrr/os_bsd.h>
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#include <dev/hptrr/hptintf.h>
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static int attach_generic = 0;
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TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic);
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static HIM *hpt_match(device_t dev)
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{
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PCI_ID pci_id;
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int i;
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HIM *him;
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/* Some of supported chips are used not only by HPT. */
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if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
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return (NULL);
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for (him = him_list; him; him = him->next) {
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for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
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if ((pci_get_vendor(dev) == pci_id.vid) &&
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(pci_get_device(dev) == pci_id.did)){
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return (him);
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}
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}
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}
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return (NULL);
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}
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static int hpt_probe(device_t dev)
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{
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HIM *him;
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him = hpt_match(dev);
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if (him != NULL) {
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KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
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pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
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));
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device_set_desc(dev, him->name);
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return (BUS_PROBE_DEFAULT);
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}
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return (ENXIO);
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}
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static int hpt_attach(device_t dev)
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{
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PHBA hba = (PHBA)device_get_softc(dev);
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HIM *him;
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PCI_ID pci_id;
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HPT_UINT size;
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PVBUS vbus;
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PVBUS_EXT vbus_ext;
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KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
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him = hpt_match(dev);
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hba->ext_type = EXT_TYPE_HBA;
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hba->ldm_adapter.him = him;
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pci_enable_busmaster(dev);
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pci_id.vid = pci_get_vendor(dev);
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pci_id.did = pci_get_device(dev);
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pci_id.rev = pci_get_revid(dev);
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size = him->get_adapter_size(&pci_id);
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hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
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hba->pcidev = dev;
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hba->pciaddr.tree = 0;
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hba->pciaddr.bus = pci_get_bus(dev);
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hba->pciaddr.device = pci_get_slot(dev);
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hba->pciaddr.function = pci_get_function(dev);
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if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
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free(hba->ldm_adapter.him_handle, M_DEVBUF);
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return ENXIO;
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}
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os_printk("adapter at PCI %d:%d:%d, IRQ %d",
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hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
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if (!ldm_register_adapter(&hba->ldm_adapter)) {
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size = ldm_get_vbus_size();
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vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
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M_ZERO);
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vbus_ext->ext_type = EXT_TYPE_VBUS;
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ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
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ldm_register_adapter(&hba->ldm_adapter);
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}
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ldm_for_each_vbus(vbus, vbus_ext) {
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if (hba->ldm_adapter.vbus==vbus) {
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hba->vbus_ext = vbus_ext;
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hba->next = vbus_ext->hba_list;
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vbus_ext->hba_list = hba;
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break;
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}
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}
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return 0;
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}
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/*
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* Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
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* but there are some problems currently (alignment, etc).
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*/
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static __inline void *__get_free_pages(int order)
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{
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/* don't use low memory - other devices may get starved */
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return contigmalloc(PAGE_SIZE<<order,
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M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
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}
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static __inline void free_pages(void *p, int order)
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{
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contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
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}
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static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
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{
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PHBA hba;
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struct freelist *f;
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HPT_UINT i;
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void **p;
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for (hba = vbus_ext->hba_list; hba; hba = hba->next)
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hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
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ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
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for (f=vbus_ext->freelist_head; f; f=f->next) {
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KdPrint(("%s: %d*%d=%d bytes",
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f->tag, f->count, f->size, f->count*f->size));
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for (i=0; i<f->count; i++) {
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p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
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if (!p) return (ENXIO);
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*p = f->head;
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f->head = p;
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}
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}
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for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
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int order, size, j;
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HPT_ASSERT((f->size & (f->alignment-1))==0);
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for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
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;
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KdPrint(("%s: %d*%d=%d bytes, order %d",
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f->tag, f->count, f->size, f->count*f->size, order));
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HPT_ASSERT(f->alignment<=PAGE_SIZE);
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for (i=0; i<f->count;) {
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p = (void **)__get_free_pages(order);
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if (!p) return -1;
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for (j = size/f->size; j && i<f->count; i++,j--) {
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*p = f->head;
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*(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
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f->head = p;
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p = (void **)((unsigned long)p + f->size);
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}
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}
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}
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HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
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for (i=0; i<os_max_cache_pages; i++) {
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p = (void **)__get_free_pages(0);
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if (!p) return -1;
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HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
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dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
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}
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return 0;
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}
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static void hpt_free_mem(PVBUS_EXT vbus_ext)
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{
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struct freelist *f;
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void *p;
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int i;
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BUS_ADDRESS bus;
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for (f=vbus_ext->freelist_head; f; f=f->next) {
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#if DBG
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if (f->count!=f->reserved_count) {
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KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
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}
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#endif
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while ((p=freelist_get(f)))
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free(p, M_DEVBUF);
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}
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for (i=0; i<os_max_cache_pages; i++) {
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p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
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HPT_ASSERT(p);
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free_pages(p, 0);
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}
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for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
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int order, size;
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#if DBG
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if (f->count!=f->reserved_count) {
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KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
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}
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#endif
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for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
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while ((p=freelist_get_dma(f, &bus))) {
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if (order)
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free_pages(p, order);
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else {
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/* can't free immediately since other blocks in this page may still be in the list */
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if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
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dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
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}
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}
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}
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while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
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free_pages(p, 0);
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}
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static int hpt_init_vbus(PVBUS_EXT vbus_ext)
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{
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PHBA hba;
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for (hba = vbus_ext->hba_list; hba; hba = hba->next)
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if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
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KdPrint(("fail to initialize %p", hba));
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return -1;
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}
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ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
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return 0;
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}
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static void hpt_flush_done(PCOMMAND pCmd)
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{
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PVDEV vd = pCmd->target;
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if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
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vd = vd->u.array.transform->target;
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HPT_ASSERT(vd);
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pCmd->target = vd;
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pCmd->Result = RETURN_PENDING;
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vdev_queue_cmd(pCmd);
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return;
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}
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*(int *)pCmd->priv = 1;
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wakeup(pCmd);
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}
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/*
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* flush a vdev (without retry).
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*/
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static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
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{
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PCOMMAND pCmd;
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int result = 0, done;
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HPT_UINT count;
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KdPrint(("flusing dev %p", vd));
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hpt_assert_vbus_locked(vbus_ext);
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if (mIsArray(vd->type) && vd->u.array.transform)
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count = MAX(vd->u.array.transform->source->cmds_per_request,
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vd->u.array.transform->target->cmds_per_request);
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else
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count = vd->cmds_per_request;
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pCmd = ldm_alloc_cmds(vd->vbus, count);
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if (!pCmd) {
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return -1;
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}
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pCmd->type = CMD_TYPE_FLUSH;
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pCmd->flags.hard_flush = 1;
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pCmd->target = vd;
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pCmd->done = hpt_flush_done;
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done = 0;
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pCmd->priv = &done;
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ldm_queue_cmd(pCmd);
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if (!done) {
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while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
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ldm_reset_vbus(vd->vbus);
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}
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}
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KdPrint(("flush result %d", pCmd->Result));
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if (pCmd->Result!=RETURN_SUCCESS)
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result = -1;
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ldm_free_cmds(pCmd);
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return result;
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}
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static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
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static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
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{
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PVBUS vbus = (PVBUS)vbus_ext->vbus;
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PHBA hba;
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int i;
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KdPrint(("hpt_shutdown_vbus"));
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/* stop all ctl tasks and disable the worker taskqueue */
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hpt_stop_tasks(vbus_ext);
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hpt_lock_vbus(vbus_ext);
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vbus_ext->worker.ta_context = 0;
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/* flush devices */
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for (i=0; i<osm_max_targets; i++) {
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PVDEV vd = ldm_find_target(vbus, i);
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if (vd) {
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/* retry once */
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if (hpt_flush_vdev(vbus_ext, vd))
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hpt_flush_vdev(vbus_ext, vd);
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}
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}
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ldm_shutdown(vbus);
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hpt_unlock_vbus(vbus_ext);
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ldm_release_vbus(vbus);
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for (hba=vbus_ext->hba_list; hba; hba=hba->next)
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bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
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hpt_free_mem(vbus_ext);
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while ((hba=vbus_ext->hba_list)) {
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vbus_ext->hba_list = hba->next;
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free(hba->ldm_adapter.him_handle, M_DEVBUF);
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}
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callout_drain(&vbus_ext->timer);
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mtx_destroy(&vbus_ext->lock);
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free(vbus_ext, M_DEVBUF);
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KdPrint(("hpt_shutdown_vbus done"));
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}
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static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
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{
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OSM_TASK *tasks;
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tasks = vbus_ext->tasks;
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vbus_ext->tasks = 0;
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while (tasks) {
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OSM_TASK *t = tasks;
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tasks = t->next;
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t->next = 0;
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t->func(vbus_ext->vbus, t->data);
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}
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}
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static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
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{
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if(vbus_ext){
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hpt_lock_vbus(vbus_ext);
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__hpt_do_tasks(vbus_ext);
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hpt_unlock_vbus(vbus_ext);
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}
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}
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static void hpt_action(struct cam_sim *sim, union ccb *ccb);
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static void hpt_poll(struct cam_sim *sim);
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static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
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static void hpt_pci_intr(void *arg);
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static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
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{
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POS_CMDEXT p = vbus_ext->cmdext_list;
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if (p)
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vbus_ext->cmdext_list = p->next;
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return p;
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}
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static __inline void cmdext_put(POS_CMDEXT p)
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{
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p->next = p->vbus_ext->cmdext_list;
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p->vbus_ext->cmdext_list = p;
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}
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static void hpt_timeout(void *arg)
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{
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PCOMMAND pCmd = (PCOMMAND)arg;
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POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
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KdPrint(("pCmd %p timeout", pCmd));
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ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
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}
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static void os_cmddone(PCOMMAND pCmd)
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{
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POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
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union ccb *ccb = ext->ccb;
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KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
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callout_stop(&ext->timeout);
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switch(pCmd->Result) {
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case RETURN_SUCCESS:
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ccb->ccb_h.status = CAM_REQ_CMP;
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break;
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case RETURN_BAD_DEVICE:
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ccb->ccb_h.status = CAM_DEV_NOT_THERE;
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break;
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case RETURN_DEVICE_BUSY:
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ccb->ccb_h.status = CAM_BUSY;
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break;
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case RETURN_INVALID_REQUEST:
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ccb->ccb_h.status = CAM_REQ_INVALID;
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break;
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case RETURN_SELECTION_TIMEOUT:
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ccb->ccb_h.status = CAM_SEL_TIMEOUT;
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break;
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case RETURN_RETRY:
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ccb->ccb_h.status = CAM_BUSY;
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break;
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default:
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ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
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break;
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}
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if (pCmd->flags.data_in) {
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bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
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}
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else if (pCmd->flags.data_out) {
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bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
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}
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bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
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cmdext_put(ext);
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ldm_free_cmds(pCmd);
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xpt_done(ccb);
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}
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|
|
static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
|
|
{
|
|
POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
|
|
union ccb *ccb = ext->ccb;
|
|
|
|
if (logical) {
|
|
os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
|
|
pSg->size = ccb->csio.dxfer_len;
|
|
pSg->eot = 1;
|
|
return TRUE;
|
|
}
|
|
|
|
/* since we have provided physical sg, nobody will ask us to build physical sg */
|
|
HPT_ASSERT(0);
|
|
return FALSE;
|
|
}
|
|
|
|
static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
PCOMMAND pCmd = (PCOMMAND)arg;
|
|
POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
|
|
PSG psg = pCmd->psg;
|
|
int idx;
|
|
|
|
HPT_ASSERT(pCmd->flags.physical_sg);
|
|
|
|
if (error)
|
|
panic("busdma error");
|
|
|
|
HPT_ASSERT(nsegs<=os_max_sg_descriptors);
|
|
|
|
if (nsegs != 0) {
|
|
for (idx = 0; idx < nsegs; idx++, psg++) {
|
|
psg->addr.bus = segs[idx].ds_addr;
|
|
psg->size = segs[idx].ds_len;
|
|
psg->eot = 0;
|
|
}
|
|
psg[-1].eot = 1;
|
|
|
|
if (pCmd->flags.data_in) {
|
|
bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
|
|
BUS_DMASYNC_PREREAD);
|
|
}
|
|
else if (pCmd->flags.data_out) {
|
|
bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
|
|
BUS_DMASYNC_PREWRITE);
|
|
}
|
|
}
|
|
callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
|
|
ldm_queue_cmd(pCmd);
|
|
}
|
|
|
|
static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
|
|
{
|
|
PVBUS vbus = (PVBUS)vbus_ext->vbus;
|
|
PVDEV vd;
|
|
PCOMMAND pCmd;
|
|
POS_CMDEXT ext;
|
|
HPT_U8 *cdb;
|
|
|
|
if (ccb->ccb_h.flags & CAM_CDB_POINTER)
|
|
cdb = ccb->csio.cdb_io.cdb_ptr;
|
|
else
|
|
cdb = ccb->csio.cdb_io.cdb_bytes;
|
|
|
|
KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
|
|
ccb,
|
|
ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
|
|
*(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
|
|
));
|
|
|
|
/* ccb->ccb_h.path_id is not our bus id - don't check it */
|
|
if (ccb->ccb_h.target_lun != 0 ||
|
|
ccb->ccb_h.target_id >= osm_max_targets ||
|
|
(ccb->ccb_h.flags & CAM_CDB_PHYS))
|
|
{
|
|
ccb->ccb_h.status = CAM_TID_INVALID;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
|
|
|
|
if (!vd) {
|
|
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
switch (cdb[0]) {
|
|
case TEST_UNIT_READY:
|
|
case START_STOP_UNIT:
|
|
case SYNCHRONIZE_CACHE:
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
|
|
case INQUIRY:
|
|
{
|
|
PINQUIRYDATA inquiryData;
|
|
memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
|
|
inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
|
|
|
|
inquiryData->AdditionalLength = 31;
|
|
inquiryData->CommandQueue = 1;
|
|
memcpy(&inquiryData->VendorId, "HPT ", 8);
|
|
memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
|
|
|
|
if (vd->target_id / 10) {
|
|
inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
|
|
inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
|
|
}
|
|
else
|
|
inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
|
|
|
|
memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
break;
|
|
|
|
case READ_CAPACITY:
|
|
{
|
|
HPT_U8 *rbuf = ccb->csio.data_ptr;
|
|
HPT_U32 cap;
|
|
|
|
if (vd->capacity>0xfffffffful)
|
|
cap = 0xfffffffful;
|
|
else
|
|
cap = vd->capacity - 1;
|
|
|
|
rbuf[0] = (HPT_U8)(cap>>24);
|
|
rbuf[1] = (HPT_U8)(cap>>16);
|
|
rbuf[2] = (HPT_U8)(cap>>8);
|
|
rbuf[3] = (HPT_U8)cap;
|
|
rbuf[4] = 0;
|
|
rbuf[5] = 0;
|
|
rbuf[6] = 2;
|
|
rbuf[7] = 0;
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
|
|
case SERVICE_ACTION_IN:
|
|
{
|
|
HPT_U8 *rbuf = ccb->csio.data_ptr;
|
|
HPT_U64 cap = vd->capacity - 1;
|
|
|
|
rbuf[0] = (HPT_U8)(cap>>56);
|
|
rbuf[1] = (HPT_U8)(cap>>48);
|
|
rbuf[2] = (HPT_U8)(cap>>40);
|
|
rbuf[3] = (HPT_U8)(cap>>32);
|
|
rbuf[4] = (HPT_U8)(cap>>24);
|
|
rbuf[5] = (HPT_U8)(cap>>16);
|
|
rbuf[6] = (HPT_U8)(cap>>8);
|
|
rbuf[7] = (HPT_U8)cap;
|
|
rbuf[8] = 0;
|
|
rbuf[9] = 0;
|
|
rbuf[10] = 2;
|
|
rbuf[11] = 0;
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
|
|
case READ_6:
|
|
case READ_10:
|
|
case READ_16:
|
|
case WRITE_6:
|
|
case WRITE_10:
|
|
case WRITE_16:
|
|
case 0x13:
|
|
case 0x2f:
|
|
{
|
|
int error;
|
|
|
|
pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
|
|
if(!pCmd){
|
|
KdPrint(("Failed to allocate command!"));
|
|
ccb->ccb_h.status = CAM_BUSY;
|
|
break;
|
|
}
|
|
|
|
switch (cdb[0]) {
|
|
case READ_6:
|
|
case WRITE_6:
|
|
case 0x13:
|
|
pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
|
|
pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
|
|
break;
|
|
case READ_16:
|
|
case WRITE_16:
|
|
{
|
|
HPT_U64 block =
|
|
((HPT_U64)cdb[2]<<56) |
|
|
((HPT_U64)cdb[3]<<48) |
|
|
((HPT_U64)cdb[4]<<40) |
|
|
((HPT_U64)cdb[5]<<32) |
|
|
((HPT_U64)cdb[6]<<24) |
|
|
((HPT_U64)cdb[7]<<16) |
|
|
((HPT_U64)cdb[8]<<8) |
|
|
((HPT_U64)cdb[9]);
|
|
pCmd->uCmd.Ide.Lba = block;
|
|
pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
|
|
pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
|
|
break;
|
|
}
|
|
|
|
switch (cdb[0]) {
|
|
case READ_6:
|
|
case READ_10:
|
|
case READ_16:
|
|
pCmd->flags.data_in = 1;
|
|
break;
|
|
case WRITE_6:
|
|
case WRITE_10:
|
|
case WRITE_16:
|
|
pCmd->flags.data_out = 1;
|
|
break;
|
|
}
|
|
pCmd->priv = ext = cmdext_get(vbus_ext);
|
|
HPT_ASSERT(ext);
|
|
ext->ccb = ccb;
|
|
pCmd->target = vd;
|
|
pCmd->done = os_cmddone;
|
|
pCmd->buildsgl = os_buildsgl;
|
|
pCmd->psg = ext->psg;
|
|
pCmd->flags.physical_sg = 1;
|
|
error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
|
|
ext->dma_map,
|
|
ccb,
|
|
hpt_io_dmamap_callback, pCmd,
|
|
BUS_DMA_WAITOK
|
|
);
|
|
KdPrint(("bus_dmamap_load return %d", error));
|
|
if (error && error!=EINPROGRESS) {
|
|
os_printk("bus_dmamap_load error %d", error);
|
|
cmdext_put(ext);
|
|
ldm_free_cmds(pCmd);
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
xpt_done(ccb);
|
|
}
|
|
return;
|
|
}
|
|
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
}
|
|
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
static void hpt_action(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
|
|
|
|
KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
|
|
|
|
hpt_assert_vbus_locked(vbus_ext);
|
|
switch (ccb->ccb_h.func_code) {
|
|
|
|
case XPT_SCSI_IO:
|
|
hpt_scsi_io(vbus_ext, ccb);
|
|
return;
|
|
|
|
case XPT_RESET_BUS:
|
|
ldm_reset_vbus((PVBUS)vbus_ext->vbus);
|
|
break;
|
|
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
|
|
break;
|
|
|
|
case XPT_CALC_GEOMETRY:
|
|
cam_calc_geometry(&ccb->ccg, 1);
|
|
break;
|
|
|
|
case XPT_PATH_INQ:
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
cpi->version_num = 1;
|
|
cpi->hba_inquiry = PI_SDTR_ABLE;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_NOBUSRESET;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = osm_max_targets;
|
|
cpi->max_lun = 0;
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->initiator_id = osm_max_targets;
|
|
cpi->base_transfer_speed = 3300;
|
|
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
|
|
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->transport = XPORT_SPI;
|
|
cpi->transport_version = 2;
|
|
cpi->protocol = PROTO_SCSI;
|
|
cpi->protocol_version = SCSI_REV_2;
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
}
|
|
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
static void hpt_pci_intr(void *arg)
|
|
{
|
|
PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
|
|
hpt_lock_vbus(vbus_ext);
|
|
ldm_intr((PVBUS)vbus_ext->vbus);
|
|
hpt_unlock_vbus(vbus_ext);
|
|
}
|
|
|
|
static void hpt_poll(struct cam_sim *sim)
|
|
{
|
|
PVBUS_EXT vbus_ext = cam_sim_softc(sim);
|
|
hpt_assert_vbus_locked(vbus_ext);
|
|
ldm_intr((PVBUS)vbus_ext->vbus);
|
|
}
|
|
|
|
static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
|
|
{
|
|
KdPrint(("hpt_async"));
|
|
}
|
|
|
|
static int hpt_shutdown(device_t dev)
|
|
{
|
|
KdPrint(("hpt_shutdown(dev=%p)", dev));
|
|
return 0;
|
|
}
|
|
|
|
static int hpt_detach(device_t dev)
|
|
{
|
|
/* we don't allow the driver to be unloaded. */
|
|
return EBUSY;
|
|
}
|
|
|
|
static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
|
|
{
|
|
arg->ioctl_cmnd = 0;
|
|
wakeup(arg);
|
|
}
|
|
|
|
static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
|
|
{
|
|
ioctl_args->result = -1;
|
|
ioctl_args->done = hpt_ioctl_done;
|
|
ioctl_args->ioctl_cmnd = (void *)1;
|
|
|
|
hpt_lock_vbus(vbus_ext);
|
|
ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
|
|
|
|
while (ioctl_args->ioctl_cmnd) {
|
|
if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
|
|
break;
|
|
ldm_reset_vbus((PVBUS)vbus_ext->vbus);
|
|
__hpt_do_tasks(vbus_ext);
|
|
}
|
|
|
|
/* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
|
|
|
|
hpt_unlock_vbus(vbus_ext);
|
|
}
|
|
|
|
static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
|
|
{
|
|
PVBUS vbus;
|
|
PVBUS_EXT vbus_ext;
|
|
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
__hpt_do_ioctl(vbus_ext, ioctl_args);
|
|
if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
|
|
return;
|
|
}
|
|
}
|
|
|
|
#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
|
|
IOCTL_ARG arg;\
|
|
arg.dwIoControlCode = code;\
|
|
arg.lpInBuffer = inbuf;\
|
|
arg.lpOutBuffer = outbuf;\
|
|
arg.nInBufferSize = insize;\
|
|
arg.nOutBufferSize = outsize;\
|
|
arg.lpBytesReturned = 0;\
|
|
hpt_do_ioctl(&arg);\
|
|
arg.result;\
|
|
})
|
|
|
|
#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
|
|
|
|
static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
|
|
{
|
|
int i;
|
|
HPT_U32 count = nMaxCount-1;
|
|
|
|
if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
|
|
&count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
|
|
return -1;
|
|
|
|
nMaxCount = (int)pIds[0];
|
|
for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
|
|
return nMaxCount;
|
|
}
|
|
|
|
static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
|
|
{
|
|
return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
|
|
&id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
|
|
}
|
|
|
|
/* not belong to this file logically, but we want to use ioctl interface */
|
|
static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
|
|
{
|
|
LOGICAL_DEVICE_INFO_V3 devinfo;
|
|
int i, result;
|
|
DEVICEID param[2] = { id, 0 };
|
|
|
|
if (hpt_get_device_info_v3(id, &devinfo))
|
|
return -1;
|
|
|
|
if (devinfo.Type!=LDT_ARRAY)
|
|
return -1;
|
|
|
|
if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
|
|
param[1] = AS_REBUILD_ABORT;
|
|
else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
|
|
param[1] = AS_VERIFY_ABORT;
|
|
else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
|
|
param[1] = AS_INITIALIZE_ABORT;
|
|
else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
|
|
param[1] = AS_TRANSFORM_ABORT;
|
|
else
|
|
return -1;
|
|
|
|
KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
|
|
result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
|
|
param, sizeof(param), 0, 0);
|
|
|
|
for (i=0; i<devinfo.u.array.nDisk; i++)
|
|
if (DEVICEID_VALID(devinfo.u.array.Members[i]))
|
|
__hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
|
|
{
|
|
DEVICEID ids[32];
|
|
int i, count;
|
|
|
|
count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
|
|
|
|
for (i=0; i<count; i++)
|
|
__hpt_stop_tasks(vbus_ext, ids[i]);
|
|
}
|
|
|
|
static d_open_t hpt_open;
|
|
static d_close_t hpt_close;
|
|
static d_ioctl_t hpt_ioctl;
|
|
static int hpt_rescan_bus(void);
|
|
|
|
static struct cdevsw hpt_cdevsw = {
|
|
.d_open = hpt_open,
|
|
.d_close = hpt_close,
|
|
.d_ioctl = hpt_ioctl,
|
|
.d_name = driver_name,
|
|
.d_version = D_VERSION,
|
|
};
|
|
|
|
static struct intr_config_hook hpt_ich;
|
|
|
|
/*
|
|
* hpt_final_init will be called after all hpt_attach.
|
|
*/
|
|
static void hpt_final_init(void *dummy)
|
|
{
|
|
int i;
|
|
PVBUS_EXT vbus_ext;
|
|
PVBUS vbus;
|
|
PHBA hba;
|
|
|
|
/* Clear the config hook */
|
|
config_intrhook_disestablish(&hpt_ich);
|
|
|
|
/* allocate memory */
|
|
i = 0;
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
if (hpt_alloc_mem(vbus_ext)) {
|
|
os_printk("out of memory");
|
|
return;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
if (!i) {
|
|
if (bootverbose)
|
|
os_printk("no controller detected.");
|
|
return;
|
|
}
|
|
|
|
/* initializing hardware */
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
/* make timer available here */
|
|
mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
|
|
callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
|
|
if (hpt_init_vbus(vbus_ext)) {
|
|
os_printk("fail to initialize hardware");
|
|
break; /* FIXME */
|
|
}
|
|
}
|
|
|
|
/* register CAM interface */
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
struct cam_devq *devq;
|
|
struct ccb_setasync ccb;
|
|
|
|
if (bus_dma_tag_create(NULL,/* parent */
|
|
4, /* alignment */
|
|
BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
|
|
os_max_sg_descriptors, /* nsegments */
|
|
0x10000, /* maxsegsize */
|
|
BUS_DMA_WAITOK, /* flags */
|
|
busdma_lock_mutex, /* lockfunc */
|
|
&vbus_ext->lock, /* lockfuncarg */
|
|
&vbus_ext->io_dmat /* tag */))
|
|
{
|
|
return ;
|
|
}
|
|
|
|
for (i=0; i<os_max_queue_comm; i++) {
|
|
POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
|
|
if (!ext) {
|
|
os_printk("Can't alloc cmdext(%d)", i);
|
|
return ;
|
|
}
|
|
ext->vbus_ext = vbus_ext;
|
|
ext->next = vbus_ext->cmdext_list;
|
|
vbus_ext->cmdext_list = ext;
|
|
|
|
if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
|
|
os_printk("Can't create dma map(%d)", i);
|
|
return ;
|
|
}
|
|
callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
|
|
}
|
|
|
|
if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
|
|
os_printk("cam_simq_alloc failed");
|
|
return ;
|
|
}
|
|
|
|
vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
|
|
vbus_ext, 0, &vbus_ext->lock, os_max_queue_comm,
|
|
/*tagged*/8, devq);
|
|
|
|
if (!vbus_ext->sim) {
|
|
os_printk("cam_sim_alloc failed");
|
|
cam_simq_free(devq);
|
|
return ;
|
|
}
|
|
|
|
hpt_lock_vbus(vbus_ext);
|
|
if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
|
|
os_printk("xpt_bus_register failed");
|
|
cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
|
|
hpt_unlock_vbus(vbus_ext);
|
|
vbus_ext->sim = NULL;
|
|
return ;
|
|
}
|
|
|
|
if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
|
|
cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
|
|
CAM_LUN_WILDCARD) != CAM_REQ_CMP)
|
|
{
|
|
os_printk("xpt_create_path failed");
|
|
xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
|
|
cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
|
|
hpt_unlock_vbus(vbus_ext);
|
|
vbus_ext->sim = NULL;
|
|
return ;
|
|
}
|
|
hpt_unlock_vbus(vbus_ext);
|
|
|
|
xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
|
|
ccb.ccb_h.func_code = XPT_SASYNC_CB;
|
|
ccb.event_enable = AC_LOST_DEVICE;
|
|
ccb.callback = hpt_async;
|
|
ccb.callback_arg = vbus_ext;
|
|
xpt_action((union ccb *)&ccb);
|
|
|
|
for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
|
|
int rid = 0;
|
|
if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
|
|
SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
|
|
{
|
|
os_printk("can't allocate interrupt");
|
|
return ;
|
|
}
|
|
|
|
if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
|
|
NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
|
|
{
|
|
os_printk("can't set up interrupt");
|
|
return ;
|
|
}
|
|
hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
|
|
}
|
|
|
|
vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
|
|
hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
|
|
if (!vbus_ext->shutdown_eh)
|
|
os_printk("Shutdown event registration failed");
|
|
}
|
|
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
|
|
if (vbus_ext->tasks)
|
|
TASK_ENQUEUE(&vbus_ext->worker);
|
|
}
|
|
|
|
make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
|
|
S_IRUSR | S_IWUSR, "%s", driver_name);
|
|
}
|
|
|
|
#if defined(KLD_MODULE)
|
|
|
|
typedef struct driverlink *driverlink_t;
|
|
struct driverlink {
|
|
kobj_class_t driver;
|
|
TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
|
|
};
|
|
|
|
typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
|
|
|
|
struct devclass {
|
|
TAILQ_ENTRY(devclass) link;
|
|
devclass_t parent; /* parent in devclass hierarchy */
|
|
driver_list_t drivers; /* bus devclasses store drivers for bus */
|
|
char *name;
|
|
device_t *devices; /* array of devices indexed by unit */
|
|
int maxunit; /* size of devices array */
|
|
};
|
|
|
|
static void override_kernel_driver(void)
|
|
{
|
|
driverlink_t dl, dlfirst;
|
|
driver_t *tmpdriver;
|
|
devclass_t dc = devclass_find("pci");
|
|
|
|
if (dc){
|
|
dlfirst = TAILQ_FIRST(&dc->drivers);
|
|
for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
|
|
if(strcmp(dl->driver->name, driver_name) == 0) {
|
|
tmpdriver=dl->driver;
|
|
dl->driver=dlfirst->driver;
|
|
dlfirst->driver=tmpdriver;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#else
|
|
#define override_kernel_driver()
|
|
#endif
|
|
|
|
static void hpt_init(void *dummy)
|
|
{
|
|
if (bootverbose)
|
|
os_printk("%s %s", driver_name_long, driver_ver);
|
|
|
|
override_kernel_driver();
|
|
init_config();
|
|
|
|
hpt_ich.ich_func = hpt_final_init;
|
|
hpt_ich.ich_arg = NULL;
|
|
if (config_intrhook_establish(&hpt_ich) != 0) {
|
|
printf("%s: cannot establish configuration hook\n",
|
|
driver_name_long);
|
|
}
|
|
|
|
}
|
|
SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
|
|
|
|
/*
|
|
* CAM driver interface
|
|
*/
|
|
static device_method_t driver_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, hpt_probe),
|
|
DEVMETHOD(device_attach, hpt_attach),
|
|
DEVMETHOD(device_detach, hpt_detach),
|
|
DEVMETHOD(device_shutdown, hpt_shutdown),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t hpt_pci_driver = {
|
|
driver_name,
|
|
driver_methods,
|
|
sizeof(HBA)
|
|
};
|
|
|
|
static devclass_t hpt_devclass;
|
|
|
|
#ifndef TARGETNAME
|
|
#error "no TARGETNAME found"
|
|
#endif
|
|
|
|
/* use this to make TARGETNAME be expanded */
|
|
#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
|
|
#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
|
|
#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
|
|
__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
|
|
__MODULE_VERSION(TARGETNAME, 1);
|
|
__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
|
|
|
|
static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
|
|
{
|
|
PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
|
|
IOCTL_ARG ioctl_args;
|
|
HPT_U32 bytesReturned;
|
|
|
|
switch (cmd){
|
|
case HPT_DO_IOCONTROL:
|
|
{
|
|
if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
|
|
KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
|
|
piop->dwIoControlCode,
|
|
piop->lpInBuffer,
|
|
piop->nInBufferSize,
|
|
piop->lpOutBuffer,
|
|
piop->nOutBufferSize));
|
|
|
|
memset(&ioctl_args, 0, sizeof(ioctl_args));
|
|
|
|
ioctl_args.dwIoControlCode = piop->dwIoControlCode;
|
|
ioctl_args.nInBufferSize = piop->nInBufferSize;
|
|
ioctl_args.nOutBufferSize = piop->nOutBufferSize;
|
|
ioctl_args.lpBytesReturned = &bytesReturned;
|
|
|
|
if (ioctl_args.nInBufferSize) {
|
|
ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
|
|
if (!ioctl_args.lpInBuffer)
|
|
goto invalid;
|
|
if (copyin((void*)piop->lpInBuffer,
|
|
ioctl_args.lpInBuffer, piop->nInBufferSize))
|
|
goto invalid;
|
|
}
|
|
|
|
if (ioctl_args.nOutBufferSize) {
|
|
ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
|
|
if (!ioctl_args.lpOutBuffer)
|
|
goto invalid;
|
|
}
|
|
|
|
hpt_do_ioctl(&ioctl_args);
|
|
|
|
if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
|
|
if (piop->nOutBufferSize) {
|
|
if (copyout(ioctl_args.lpOutBuffer,
|
|
(void*)piop->lpOutBuffer, piop->nOutBufferSize))
|
|
goto invalid;
|
|
}
|
|
if (piop->lpBytesReturned) {
|
|
if (copyout(&bytesReturned,
|
|
(void*)piop->lpBytesReturned, sizeof(HPT_U32)))
|
|
goto invalid;
|
|
}
|
|
if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
|
|
if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
|
|
return 0;
|
|
}
|
|
invalid:
|
|
if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
|
|
if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
|
|
return EFAULT;
|
|
}
|
|
return EFAULT;
|
|
}
|
|
|
|
case HPT_SCAN_BUS:
|
|
{
|
|
return hpt_rescan_bus();
|
|
}
|
|
default:
|
|
KdPrint(("invalid command!"));
|
|
return EFAULT;
|
|
}
|
|
|
|
}
|
|
|
|
static int hpt_rescan_bus(void)
|
|
{
|
|
union ccb *ccb;
|
|
PVBUS vbus;
|
|
PVBUS_EXT vbus_ext;
|
|
|
|
ldm_for_each_vbus(vbus, vbus_ext) {
|
|
if ((ccb = xpt_alloc_ccb()) == NULL)
|
|
return(ENOMEM);
|
|
if (xpt_create_path(&ccb->ccb_h.path, NULL,
|
|
cam_sim_path(vbus_ext->sim),
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_free_ccb(ccb);
|
|
return(EIO);
|
|
}
|
|
xpt_rescan(ccb);
|
|
}
|
|
|
|
return(0);
|
|
}
|