本文整理汇总了C++中scsi_host_alloc函数的典型用法代码示例。如果您正苦于以下问题:C++ scsi_host_alloc函数的具体用法?C++ scsi_host_alloc怎么用?C++ scsi_host_alloc使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了scsi_host_alloc函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: zfcp_scsi_adapter_register
/**
* zfcp_scsi_adapter_register - Register SCSI and FC host with SCSI midlayer
* @adapter: The zfcp adapter to register with the SCSI midlayer
*/
int zfcp_scsi_adapter_register(struct zfcp_adapter *adapter)
{
struct ccw_dev_id dev_id;
if (adapter->scsi_host)
return 0;
ccw_device_get_id(adapter->ccw_device, &dev_id);
/* register adapter as SCSI host with mid layer of SCSI stack */
adapter->scsi_host = scsi_host_alloc(&zfcp_scsi_host_template,
sizeof (struct zfcp_adapter *));
if (!adapter->scsi_host) {
dev_err(&adapter->ccw_device->dev,
"Registering the FCP device with the "
"SCSI stack failed\n");
return -EIO;
}
/* tell the SCSI stack some characteristics of this adapter */
adapter->scsi_host->max_id = 511;
adapter->scsi_host->max_lun = 0xFFFFFFFF;
adapter->scsi_host->max_channel = 0;
adapter->scsi_host->unique_id = dev_id.devno;
adapter->scsi_host->max_cmd_len = 16; /* in struct fcp_cmnd */
adapter->scsi_host->transportt = zfcp_scsi_transport_template;
adapter->scsi_host->hostdata[0] = (unsigned long) adapter;
if (scsi_add_host(adapter->scsi_host, &adapter->ccw_device->dev)) {
scsi_host_put(adapter->scsi_host);
return -EIO;
}
return 0;
}
开发者ID:33d,项目名称:linux-2.6.21-hh20,代码行数:39,代码来源:zfcp_scsi.c
示例2: a2091_probe
static int __devinit a2091_probe(struct zorro_dev *z,
const struct zorro_device_id *ent)
{
struct Scsi_Host *instance;
int error;
struct a2091_scsiregs *regs;
wd33c93_regs wdregs;
struct a2091_hostdata *hdata;
if (!request_mem_region(z->resource.start, 256, "wd33c93"))
return -EBUSY;
instance = scsi_host_alloc(&a2091_scsi_template,
sizeof(struct a2091_hostdata));
if (!instance) {
error = -ENOMEM;
goto fail_alloc;
}
instance->irq = IRQ_AMIGA_PORTS;
instance->unique_id = z->slotaddr;
regs = (struct a2091_scsiregs *)ZTWO_VADDR(z->resource.start);
regs->DAWR = DAWR_A2091;
wdregs.SASR = ®s->SASR;
wdregs.SCMD = ®s->SCMD;
hdata = shost_priv(instance);
hdata->wh.no_sync = 0xff;
hdata->wh.fast = 0;
hdata->wh.dma_mode = CTRL_DMA;
hdata->regs = regs;
wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_8_10);
error = request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
"A2091 SCSI", instance);
if (error)
goto fail_irq;
regs->CNTR = CNTR_PDMD | CNTR_INTEN;
error = scsi_add_host(instance, NULL);
if (error)
goto fail_host;
zorro_set_drvdata(z, instance);
scsi_scan_host(instance);
return 0;
fail_host:
free_irq(IRQ_AMIGA_PORTS, instance);
fail_irq:
scsi_host_put(instance);
fail_alloc:
release_mem_region(z->resource.start, 256);
return error;
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:59,代码来源:a2091.c
示例3: mvme147_init
static int __init mvme147_init(void)
{
wd33c93_regs regs;
struct WD33C93_hostdata *hdata;
int error = -ENOMEM;
if (!MACH_IS_MVME147)
return 0;
mvme147_shost = scsi_host_alloc(&mvme147_host_template,
sizeof(struct WD33C93_hostdata));
if (!mvme147_shost)
goto err_out;
mvme147_shost->base = 0xfffe4000;
mvme147_shost->irq = MVME147_IRQ_SCSI_PORT;
regs.SASR = (volatile unsigned char *)0xfffe4000;
regs.SCMD = (volatile unsigned char *)0xfffe4001;
hdata = shost_priv(mvme147_shost);
hdata->no_sync = 0xff;
hdata->fast = 0;
hdata->dma_mode = CTRL_DMA;
wd33c93_init(mvme147_shost, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
error = request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,
"MVME147 SCSI PORT", mvme147_shost);
if (error)
goto err_unregister;
error = request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0,
"MVME147 SCSI DMA", mvme147_shost);
if (error)
goto err_free_irq;
#if 0 /* Disabled; causes problems booting */
m147_pcc->scsi_interrupt = 0x10; /* Assert SCSI bus reset */
udelay(100);
m147_pcc->scsi_interrupt = 0x00; /* Negate SCSI bus reset */
udelay(2000);
m147_pcc->scsi_interrupt = 0x40; /* Clear bus reset interrupt */
#endif
m147_pcc->scsi_interrupt = 0x09; /* Enable interrupt */
m147_pcc->dma_cntrl = 0x00; /* ensure DMA is stopped */
m147_pcc->dma_intr = 0x89; /* Ack and enable ints */
error = scsi_add_host(mvme147_shost, NULL);
if (error)
goto err_free_irq;
scsi_scan_host(mvme147_shost);
return 0;
err_free_irq:
free_irq(MVME147_IRQ_SCSI_PORT, mvme147_shost);
err_unregister:
scsi_host_put(mvme147_shost);
err_out:
return error;
}
开发者ID:AlexShiLucky,项目名称:linux,代码行数:59,代码来源:mvme147.c
示例4: dmx3191d_probe_one
static int dmx3191d_probe_one(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct Scsi_Host *shost;
struct NCR5380_hostdata *hostdata;
unsigned long io;
int error = -ENODEV;
if (pci_enable_device(pdev))
goto out;
io = pci_resource_start(pdev, 0);
if (!request_region(io, DMX3191D_REGION_LEN, DMX3191D_DRIVER_NAME)) {
printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n",
io, io + DMX3191D_REGION_LEN);
goto out_disable_device;
}
shost = scsi_host_alloc(&dmx3191d_driver_template,
sizeof(struct NCR5380_hostdata));
if (!shost)
goto out_release_region;
hostdata = shost_priv(shost);
hostdata->base = io;
/* This card does not seem to raise an interrupt on pdev->irq.
* Steam-powered SCSI controllers run without an IRQ anyway.
*/
shost->irq = NO_IRQ;
error = NCR5380_init(shost, 0);
if (error)
goto out_host_put;
NCR5380_maybe_reset_bus(shost);
pci_set_drvdata(pdev, shost);
error = scsi_add_host(shost, &pdev->dev);
if (error)
goto out_exit;
scsi_scan_host(shost);
return 0;
out_exit:
NCR5380_exit(shost);
out_host_put:
scsi_host_put(shost);
out_release_region:
release_region(io, DMX3191D_REGION_LEN);
out_disable_device:
pci_disable_device(pdev);
out:
return error;
}
开发者ID:Announcement,项目名称:linux,代码行数:57,代码来源:dmx3191d.c
示例5: cumanascsi1_probe
static int __devinit
cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
if (!host)
goto out;
host->io_port = ecard_address(ec, ECARD_IOC, ECARD_SLOW) + 0x800;
host->irq = ec->irq;
NCR5380_init(host, 0);
host->n_io_port = 255;
if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
ret = -EBUSY;
goto out_free;
}
((struct NCR5380_hostdata *)host->hostdata)->ctrl = 0;
outb(0x00, host->io_port - 577);
ret = request_irq(host->irq, cumanascsi_intr, SA_INTERRUPT,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
goto out_release;
}
printk("scsi%d: at port 0x%08lx irq %d",
host->host_no, host->io_port, host->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, CUMANASCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_free_irq;
scsi_scan_host(host);
goto out;
out_free_irq:
free_irq(host->irq, host);
out_release:
release_region(host->io_port, host->n_io_port);
out_free:
scsi_host_put(host);
out:
return ret;
}
开发者ID:iPodLinux,项目名称:linux-2.6.7-ipod,代码行数:56,代码来源:cumana_1.c
示例6: qlogicfas408_get_chip_type
static struct Scsi_Host *qlogic_detect(struct scsi_host_template *host,
struct pcmcia_device *link, int qbase, int qlirq)
{
int qltyp; /* type of chip */
int qinitid;
struct Scsi_Host *shost; /* registered host structure */
struct qlogicfas408_priv *priv;
qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE);
qinitid = host->this_id;
if (qinitid < 0)
qinitid = 7; /* if no ID, use 7 */
qlogicfas408_setup(qbase, qinitid, INT_TYPE);
host->name = qlogic_name;
shost = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv));
if (!shost)
goto err;
shost->io_port = qbase;
shost->n_io_port = 16;
shost->dma_channel = -1;
if (qlirq != -1)
shost->irq = qlirq;
priv = get_priv_by_host(shost);
priv->qlirq = qlirq;
priv->qbase = qbase;
priv->qinitid = qinitid;
priv->shost = shost;
priv->int_type = INT_TYPE;
if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogic_name, shost))
goto free_scsi_host;
sprintf(priv->qinfo,
"Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d",
qltyp, qbase, qlirq, QL_TURBO_PDMA);
if (scsi_add_host(shost, NULL))
goto free_interrupt;
scsi_scan_host(shost);
return shost;
free_interrupt:
free_irq(qlirq, shost);
free_scsi_host:
scsi_host_put(shost);
err:
return NULL;
}
开发者ID:austriancoder,项目名称:linux,代码行数:55,代码来源:qlogic_stub.c
示例7: dmx3191d_probe_one
static int __devinit dmx3191d_probe_one(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct Scsi_Host *shost;
unsigned long io;
int error = -ENODEV;
if (pci_enable_device(pdev))
goto out;
io = pci_resource_start(pdev, 0);
if (!request_region(io, DMX3191D_REGION_LEN, DMX3191D_DRIVER_NAME)) {
printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n",
io, io + DMX3191D_REGION_LEN);
goto out_disable_device;
}
shost = scsi_host_alloc(&dmx3191d_driver_template,
sizeof(struct NCR5380_hostdata));
if (!shost)
goto out_release_region;
shost->io_port = io;
shost->irq = pdev->irq;
NCR5380_init(shost, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E);
if (request_irq(pdev->irq, NCR5380_intr, IRQF_SHARED,
DMX3191D_DRIVER_NAME, shost)) {
/*
* Steam powered scsi controllers run without an IRQ anyway
*/
printk(KERN_WARNING "dmx3191: IRQ %d not available - "
"switching to polled mode.\n", pdev->irq);
shost->irq = SCSI_IRQ_NONE;
}
pci_set_drvdata(pdev, shost);
error = scsi_add_host(shost, &pdev->dev);
if (error)
goto out_free_irq;
scsi_scan_host(shost);
return 0;
out_free_irq:
free_irq(shost->irq, shost);
out_release_region:
release_region(io, DMX3191D_REGION_LEN);
out_disable_device:
pci_disable_device(pdev);
out:
return error;
}
开发者ID:274914765,项目名称:C,代码行数:54,代码来源:dmx3191d.c
示例8: cciss_scsi_detect
static int
cciss_scsi_detect(ctlr_info_t *h)
{
struct Scsi_Host *sh;
int error;
sh = scsi_host_alloc(&cciss_driver_template, sizeof(struct ctlr_info *));
if (sh == NULL)
goto fail;
sh->io_port = 0; // good enough? FIXME,
sh->n_io_port = 0; // I do
开发者ID:lineuman,项目名称:linux,代码行数:11,代码来源:cciss_scsi.c
示例9: oakscsi_probe
static int __devinit
oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
ret = ecard_request_resources(ec);
if (ret)
goto out;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base) {
ret = -ENOMEM;
goto unreg;
}
host->irq = IRQ_NONE;
host->n_io_port = 255;
NCR5380_init(host, 0);
printk("scsi%d: at port 0x%08lx irqs disabled",
host->host_no, host->io_port);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_unmap;
scsi_scan_host(host);
goto out;
out_unmap:
iounmap(priv(host)->base);
unreg:
scsi_host_put(host);
release:
ecard_release_resources(ec);
out:
return ret;
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:52,代码来源:oak.c
示例10: oakscsi_probe
static int oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
ret = ecard_request_resources(ec);
if (ret)
goto out;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base) {
ret = -ENOMEM;
goto unreg;
}
host->irq = NO_IRQ;
host->n_io_port = 255;
ret = NCR5380_init(host, 0);
if (ret)
goto out_unmap;
NCR5380_maybe_reset_bus(host);
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_exit;
scsi_scan_host(host);
goto out;
out_exit:
NCR5380_exit(host);
out_unmap:
iounmap(priv(host)->base);
unreg:
scsi_host_put(host);
release:
ecard_release_resources(ec);
out:
return ret;
}
开发者ID:020gzh,项目名称:linux,代码行数:49,代码来源:oak.c
示例11: tcm_loop_driver_probe
static int tcm_loop_driver_probe(struct device *dev)
{
struct tcm_loop_hba *tl_hba;
struct Scsi_Host *sh;
int error, host_prot;
tl_hba = to_tcm_loop_hba(dev);
sh = scsi_host_alloc(&tcm_loop_driver_template,
sizeof(struct tcm_loop_hba));
if (!sh) {
pr_err("Unable to allocate struct scsi_host\n");
return -ENODEV;
}
tl_hba->sh = sh;
/*
* Assign the struct tcm_loop_hba pointer to struct Scsi_Host->hostdata
*/
*((struct tcm_loop_hba **)sh->hostdata) = tl_hba;
/*
* Setup single ID, Channel and LUN for now..
*/
sh->max_id = 2;
sh->max_lun = 0;
sh->max_channel = 0;
sh->max_cmd_len = TL_SCSI_MAX_CMD_LEN;
host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION |
SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION |
SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION;
scsi_host_set_prot(sh, host_prot);
scsi_host_set_guard(sh, SHOST_DIX_GUARD_CRC);
error = scsi_add_host(sh, &tl_hba->dev);
if (error) {
pr_err("%s: scsi_add_host failed\n", __func__);
scsi_host_put(sh);
return -ENODEV;
}
return 0;
}
开发者ID:pombredanne,项目名称:mithrandir,代码行数:43,代码来源:tcm_loop.c
示例12: oakscsi_probe
static int __devinit
oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host)
goto out;
host->io_port = ecard_address(ec, ECARD_MEMC, 0);
host->irq = IRQ_NONE;
host->n_io_port = 255;
ret = -EBUSY;
if (!request_region (host->io_port, host->n_io_port, "Oak SCSI"))
goto unreg;
NCR5380_init(host, 0);
printk("scsi%d: at port 0x%08lx irqs disabled",
host->host_no, host->io_port);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_release;
scsi_scan_host(host);
goto out;
out_release:
release_region(host->io_port, host->n_io_port);
unreg:
scsi_host_put(host);
out:
return ret;
}
开发者ID:iPodLinux,项目名称:linux-2.6.7-ipod,代码行数:42,代码来源:oak.c
示例13: tcm_loop_driver_probe
static int tcm_loop_driver_probe(struct device *dev)
{
struct tcm_loop_hba *tl_hba;
struct Scsi_Host *sh;
int error;
tl_hba = to_tcm_loop_hba(dev);
sh = scsi_host_alloc(&tcm_loop_driver_template,
sizeof(struct tcm_loop_hba));
if (!sh) {
printk(KERN_ERR "Unable to allocate struct scsi_host\n");
return -ENODEV;
}
tl_hba->sh = sh;
/*
* Assign the struct tcm_loop_hba pointer to struct Scsi_Host->hostdata
*/
*((struct tcm_loop_hba **)sh->hostdata) = tl_hba;
/*
* Setup single ID, Channel and LUN for now..
*/
sh->max_id = 2;
sh->max_lun = 0;
sh->max_channel = 0;
sh->max_cmd_len = TL_SCSI_MAX_CMD_LEN;
error = scsi_add_host(sh, &tl_hba->dev);
if (error) {
printk(KERN_ERR "%s: scsi_add_host failed\n", __func__);
scsi_host_put(sh);
return -ENODEV;
}
return 0;
}
开发者ID:5C4R4B3,项目名称:CINK_SLIM_ICS_Opensource,代码行数:36,代码来源:tcm_loop.c
示例14: esp_sun3x_probe
static int __devinit esp_sun3x_probe(struct platform_device *dev)
{
struct scsi_host_template *tpnt = &scsi_esp_template;
struct Scsi_Host *host;
struct esp *esp;
struct resource *res;
int err = -ENOMEM;
host = scsi_host_alloc(tpnt, sizeof(struct esp));
if (!host)
goto fail;
host->max_id = 8;
esp = shost_priv(host);
esp->host = host;
esp->dev = dev;
esp->ops = &sun3x_esp_ops;
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!res && !res->start)
goto fail_unlink;
esp->regs = ioremap_nocache(res->start, 0x20);
if (!esp->regs)
goto fail_unmap_regs;
res = platform_get_resource(dev, IORESOURCE_MEM, 1);
if (!res && !res->start)
goto fail_unmap_regs;
esp->dma_regs = ioremap_nocache(res->start, 0x10);
esp->command_block = dma_alloc_coherent(esp->dev, 16,
&esp->command_block_dma,
GFP_KERNEL);
if (!esp->command_block)
goto fail_unmap_regs_dma;
host->irq = platform_get_irq(dev, 0);
err = request_irq(host->irq, scsi_esp_intr, IRQF_SHARED,
"SUN3X ESP", esp);
if (err < 0)
goto fail_unmap_command_block;
esp->scsi_id = 7;
esp->host->this_id = esp->scsi_id;
esp->scsi_id_mask = (1 << esp->scsi_id);
esp->cfreq = 20000000;
dev_set_drvdata(&dev->dev, esp);
err = scsi_esp_register(esp, &dev->dev);
if (err)
goto fail_free_irq;
return 0;
fail_free_irq:
free_irq(host->irq, esp);
fail_unmap_command_block:
dma_free_coherent(esp->dev, 16,
esp->command_block,
esp->command_block_dma);
fail_unmap_regs_dma:
iounmap(esp->dma_regs);
fail_unmap_regs:
iounmap(esp->regs);
fail_unlink:
scsi_host_put(host);
fail:
return err;
}
开发者ID:BackupTheBerlios,项目名称:grasshopper-svn,代码行数:73,代码来源:sun3x_esp.c
示例15: rtsx_probe
static int rtsx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct Scsi_Host *host;
struct rtsx_dev *dev;
int err = 0;
struct task_struct *th;
dev_dbg(&pci->dev, "Realtek PCI-E card reader detected\n");
err = pcim_enable_device(pci);
if (err < 0) {
dev_err(&pci->dev, "PCI enable device failed!\n");
return err;
}
err = pci_request_regions(pci, CR_DRIVER_NAME);
if (err < 0) {
dev_err(&pci->dev, "PCI request regions for %s failed!\n",
CR_DRIVER_NAME);
return err;
}
/*
* Ask the SCSI layer to allocate a host structure, with extra
* space at the end for our private rtsx_dev structure.
*/
host = scsi_host_alloc(&rtsx_host_template, sizeof(*dev));
if (!host) {
dev_err(&pci->dev, "Unable to allocate the scsi host\n");
return -ENOMEM;
}
dev = host_to_rtsx(host);
memset(dev, 0, sizeof(struct rtsx_dev));
dev->chip = kzalloc(sizeof(struct rtsx_chip), GFP_KERNEL);
if (!dev->chip) {
err = -ENOMEM;
goto errout;
}
spin_lock_init(&dev->reg_lock);
mutex_init(&(dev->dev_mutex));
init_completion(&dev->cmnd_ready);
init_completion(&dev->control_exit);
init_completion(&dev->polling_exit);
init_completion(&(dev->notify));
init_completion(&dev->scanning_done);
init_waitqueue_head(&dev->delay_wait);
dev->pci = pci;
dev->irq = -1;
dev_info(&pci->dev, "Resource length: 0x%x\n",
(unsigned int)pci_resource_len(pci, 0));
dev->addr = pci_resource_start(pci, 0);
dev->remap_addr = ioremap_nocache(dev->addr, pci_resource_len(pci, 0));
if (!dev->remap_addr) {
dev_err(&pci->dev, "ioremap error\n");
err = -ENXIO;
goto errout;
}
/*
* Using "unsigned long" cast here to eliminate gcc warning in
* 64-bit system
*/
dev_info(&pci->dev, "Original address: 0x%lx, remapped address: 0x%lx\n",
(unsigned long)(dev->addr), (unsigned long)(dev->remap_addr));
dev->rtsx_resv_buf = dmam_alloc_coherent(&pci->dev, RTSX_RESV_BUF_LEN,
&dev->rtsx_resv_buf_addr, GFP_KERNEL);
if (!dev->rtsx_resv_buf) {
dev_err(&pci->dev, "alloc dma buffer fail\n");
err = -ENXIO;
goto errout;
}
dev->chip->host_cmds_ptr = dev->rtsx_resv_buf;
dev->chip->host_cmds_addr = dev->rtsx_resv_buf_addr;
dev->chip->host_sg_tbl_ptr = dev->rtsx_resv_buf + HOST_CMDS_BUF_LEN;
dev->chip->host_sg_tbl_addr = dev->rtsx_resv_buf_addr +
HOST_CMDS_BUF_LEN;
dev->chip->rtsx = dev;
rtsx_init_options(dev->chip);
dev_info(&pci->dev, "pci->irq = %d\n", pci->irq);
if (dev->chip->msi_en) {
if (pci_enable_msi(pci) < 0)
dev->chip->msi_en = 0;
}
if (rtsx_acquire_irq(dev) < 0) {
err = -EBUSY;
goto errout;
}
//.........这里部分代码省略.........
开发者ID:acton393,项目名称:linux,代码行数:101,代码来源:rtsx.c
示例16: cumanascsi1_probe
static int __devinit
cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret;
ret = ecard_request_resources(ec);
if (ret)
goto out;
host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto out_release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCSLOW),
ecard_resource_len(ec, ECARD_RES_IOCSLOW));
priv(host)->dma = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base || !priv(host)->dma) {
ret = -ENOMEM;
goto out_unmap;
}
host->irq = ec->irq;
NCR5380_init(host, 0);
priv(host)->ctrl = 0;
writeb(0, priv(host)->base + CTRL);
host->n_io_port = 255;
if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
ret = -EBUSY;
goto out_unmap;
}
ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
goto out_unmap;
}
printk("scsi%d: at port 0x%08lx irq %d",
host->host_no, host->io_port, host->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, CUMANASCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_free_irq;
scsi_scan_host(host);
goto out;
out_free_irq:
free_irq(host->irq, host);
out_unmap:
iounmap(priv(host)->base);
iounmap(priv(host)->dma);
scsi_host_put(host);
out_release:
ecard_release_resources(ec);
out:
return ret;
}
开发者ID:Medvedroid,项目名称:OT_903D-kernel-2.6.35.7,代码行数:72,代码来源:cumana_1.c
示例17: powertecscsi_probe
static int __devinit
powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
struct powertec_info *info;
unsigned long resbase, reslen;
void __iomem *base;
int ret;
ret = ecard_request_resources(ec);
if (ret)
goto out;
resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST);
reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST);
base = ioremap(resbase, reslen);
if (!base) {
ret = -ENOMEM;
goto out_region;
}
host = scsi_host_alloc(&powertecscsi_template,
sizeof (struct powertec_info));
if (!host) {
ret = -ENOMEM;
goto out_unmap;
}
ecard_set_drvdata(ec, host);
info = (struct powertec_info *)host->hostdata;
info->base = base;
powertecscsi_terminator_ctl(host, term[ec->slot_no]);
info->info.scsi.io_base = base + POWERTEC_FAS216_OFFSET;
info->info.scsi.io_shift = POWERTEC_FAS216_SHIFT;
info->info.scsi.irq = ec->irq;
info->info.scsi.dma = ec->dma;
info->info.ifcfg.clockrate = 40; /* MHz */
info->info.ifcfg.select_timeout = 255;
info->info.ifcfg.asyncperiod = 200; /* ns */
info->info.ifcfg.sync_max_depth = 7;
info->info.ifcfg.cntl3 = CNTL3_BS8 | CNTL3_FASTSCSI | CNTL3_FASTCLK;
info->info.ifcfg.disconnect_ok = 1;
info->info.ifcfg.wide_max_size = 0;
info->info.ifcfg.capabilities = 0;
info->info.dma.setup = powertecscsi_dma_setup;
info->info.dma.pseudo = NULL;
info->info.dma.stop = powertecscsi_dma_stop;
ec->irqaddr = base + POWERTEC_INTR_STATUS;
ec->irqmask = POWERTEC_INTR_BIT;
ec->irq_data = info;
ec->ops = &powertecscsi_ops;
device_create_file(&ec->dev, &dev_attr_bus_term);
ret = fas216_init(host);
if (ret)
goto out_free;
ret = request_irq(ec->irq, powertecscsi_intr,
SA_INTERRUPT, "powertec", info);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, ec->irq, ret);
goto out_release;
}
if (info->info.scsi.dma != NO_DMA) {
if (request_dma(info->info.scsi.dma, "powertec")) {
printk("scsi%d: DMA%d not free, using PIO\n",
host->host_no, info->info.scsi.dma);
info->info.scsi.dma = NO_DMA;
} else {
set_dma_speed(info->info.scsi.dma, 180);
info->info.ifcfg.capabilities |= FASCAP_DMA;
}
}
ret = fas216_add(host, &ec->dev);
if (ret == 0)
goto out;
if (info->info.scsi.dma != NO_DMA)
free_dma(info->info.scsi.dma);
free_irq(ec->irq, host);
out_release:
fas216_release(host);
out_free:
device_remove_file(&ec->dev, &dev_attr_bus_term);
scsi_host_put(host);
out_unmap:
iounmap(base);
out_region:
ecard_release_resources(ec);
//.........这里部分代码省略.........
开发者ID:Dronevery,项目名称:JetsonTK1-kernel,代码行数:101,代码来源:powertec.c
示例18: mts_usb_probe
//.........这里部分代码省略.........
altsetting = intf->cur_altsetting;
/* Check if the config is sane */
if ( altsetting->desc.bNumEndpoints != MTS_EP_TOTAL ) {
MTS_WARNING( "expecting %d got %d endpoints! Bailing out.\n",
(int)MTS_EP_TOTAL, (int)altsetting->desc.bNumEndpoints );
return -ENODEV;
}
for( i = 0; i < altsetting->desc.bNumEndpoints; i++ ) {
if ((altsetting->endpoint[i].desc.bmAttributes &
USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
MTS_WARNING( "can only deal with bulk endpoints; endpoint %d is not bulk.\n",
(int)altsetting->endpoint[i].desc.bEndpointAddress );
} else {
if (altsetting->endpoint[i].desc.bEndpointAddress &
USB_DIR_IN)
*ep_in_current++
= altsetting->endpoint[i].desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
else {
if ( ep_out != -1 ) {
MTS_WARNING( "can only deal with one output endpoints. Bailing out." );
return -ENODEV;
}
ep_out = altsetting->endpoint[i].desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
}
}
}
if ( ep_out == -1 ) {
MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" );
return -ENODEV;
}
new_desc = kzalloc(sizeof(struct mts_desc), GFP_KERNEL);
if (!new_desc)
goto out;
new_desc->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!new_desc->urb)
goto out_kfree;
new_desc->context.scsi_status = kmalloc(1, GFP_KERNEL);
if (!new_desc->context.scsi_status)
goto out_kfree2;
new_desc->usb_dev = dev;
new_desc->usb_intf = intf;
init_MUTEX(&new_desc->lock);
/* endpoints */
new_desc->ep_out = ep_out;
new_desc->ep_response = ep_in_set[0];
new_desc->ep_image = ep_in_set[1];
if ( new_desc->ep_out != MTS_EP_OUT )
MTS_WARNING( "will this work? Command EP is not usually %d\n",
(int)new_desc->ep_out );
if ( new_desc->ep_response != MTS_EP_RESPONSE )
MTS_WARNING( "will this work? Response EP is not usually %d\n",
(int)new_desc->ep_response );
if ( new_desc->ep_image != MTS_EP_IMAGE )
MTS_WARNING( "will this work? Image data EP is not usually %d\n",
(int)new_desc->ep_image );
new_desc->host = scsi_host_alloc(&mts_scsi_host_template,
sizeof(new_desc));
if (!new_desc->host)
goto out_free_urb;
new_desc->host->hostdata[0] = (unsigned long)new_desc;
if (scsi_add_host(new_desc->host, NULL)) {
err_retval = -EIO;
goto out_free_urb;
}
scsi_scan_host(new_desc->host);
usb_set_intfdata(intf, new_desc);
return 0;
out_kfree2:
kfree(new_desc->context.scsi_status);
out_free_urb:
usb_free_urb(new_desc->urb);
out_kfree:
kfree(new_desc);
out:
return err_retval;
}
开发者ID:FatSunHYS,项目名称:OSCourseDesign,代码行数:101,代码来源:microtek.c
示例19: esas2r_probe
static int esas2r_probe(struct pci_dev *pcid,
const struct pci_device_id *id)
{
struct Scsi_Host *host = NULL;
struct esas2r_adapter *a;
int err;
size_t host_alloc_size = sizeof(struct esas2r_adapter)
+ ((num_requests) +
1) * sizeof(struct esas2r_request);
esas2r_log_dev(ESAS2R_LOG_DEBG, &(pcid->dev),
"esas2r_probe() 0x%02x 0x%02x 0x%02x 0x%02x",
pcid->vendor,
pcid->device,
pcid->subsystem_vendor,
pcid->subsystem_device);
esas2r_log_dev(ESAS2R_LOG_INFO, &(pcid->dev),
"before pci_enable_device() "
"enable_cnt: %d",
pcid->enable_cnt.counter);
err = pci_enable_device(pcid);
if (err != 0) {
esas2r_log_dev(ESAS2R_LOG_CRIT, &(pcid->dev),
"pci_enable_device() FAIL (%d)",
err);
return -ENODEV;
}
esas2r_log_dev(ESAS2R_LOG_INFO, &(pcid->dev),
"pci_enable_device() OK");
esas2r_log_dev(ESAS2R_LOG_INFO, &(pcid->dev),
"after pci_enable_device() enable_cnt: %d",
pcid->enable_cnt.counter);
host = scsi_host_alloc(&driver_template, host_alloc_size);
if (host == NULL) {
esas2r_log(ESAS2R_LOG_CRIT, "scsi_host_alloc() FAIL");
return -ENODEV;
}
memset(host->hostdata, 0, host_alloc_size);
a = (struct esas2r_adapter *)host->hostdata;
esas2r_log(ESAS2R_LOG_INFO, "scsi_host_alloc() OK host: %p", host);
/* override max LUN and max target id */
host->max_id = ESAS2R_MAX_ID + 1;
host->max_lun = 255;
/* we can handle 16-byte CDbs */
host->max_cmd_len = 16;
host->can_queue = can_queue;
host->cmd_per_lun = cmd_per_lun;
host->this_id = host->max_id + 1;
host->max_channel = 0;
host->unique_id = found_adapters;
host->sg_tablesize = sg_tablesize;
host->max_sectors = esas2r_max_sectors;
/* set to bus master for BIOses that don't do it for us */
esas2r_log(ESAS2R_LOG_INFO, "pci_set_master() called");
pci_set_master(pcid);
if (!esas2r_init_adapter(host, pcid, found_adapters)) {
esas2r_log(ESAS2R_LOG_CRIT,
"unable to initialize device at PCI bus %x:%x",
pcid->bus->number,
pcid->devfn);
esas2r_log_dev(ESAS2R_LOG_INFO, &(host->shost_gendev),
"scsi_host_put() called");
scsi_host_put(host);
return 0;
}
esas2r_log(ESAS2R_LOG_INFO, "pci_set_drvdata(%p, %p) called", pcid,
host->hostdata);
pci_set_drvdata(pcid, host);
esas2r_log(ESAS2R_LOG_INFO, "scsi_add_host() called");
err = scsi_add_host(host, &pcid->dev);
if (err) {
esas2r_log(ESAS2R_LOG_CRIT, "scsi_add_host returned %d", err);
esas2r_log_dev(ESAS2R_LOG_CRIT, &(host->shost_gendev),
"scsi_add_host() FAIL");
//.........这里部分代码省略.........
开发者ID:Anjali05,项目名称:linux,代码行数:101,代码来源:esas2r_main.c
示例20: printk
static struct Scsi_Host *__qlogicfas_detect(struct scsi_host_template *host,
int qbase,
int qlirq)
{
int qltyp;
int qinitid;
struct Scsi_Host *hreg;
struct qlogicfas408_priv *priv;
if (!qbase || qlirq == -1)
goto err;
if (!request_region(qbase, 0x10, qlogicfas_name)) {
printk(KERN_INFO "%s: address %#x is busy\n", qlogicfas_name,
qbase);
goto err;
}
if (!qlogicfas408_detect(qbase, INT_TYPE)) {
printk(KERN_WARNING "%s: probe failed for %#x\n",
qlogicfas_name,
qbase);
goto err_release_mem;
}
printk(KERN_INFO "%s: Using preset base address of %03x,"
" IRQ %d\n", qlogicfas_name, qbase, qlirq);
qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE);
qinitid = host->this_id;
if (qinitid < 0)
qinitid = 7;
qlogicfas408_setup(qbase, qinitid, INT_TYPE);
hreg = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv));
if (!hreg)
goto err_release_mem;
priv = get_priv_by_host(hreg);
hreg->io_port = qbase;
hreg->n_io_port = 16;
hreg->dma_channel = -1;
if (qlirq != -1)
hreg->irq = qlirq;
priv->qbase = qbase;
priv->qlirq = qlirq;
priv->qinitid = qinitid;
priv->shost = hreg;
priv->int_type = INT_TYPE;
sprintf(priv->qinfo,
"Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d",
qltyp, qbase, qlirq, QL_TURBO_PDMA);
host->name = qlogicfas_name;
if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogicfas_name, hreg))
goto free_scsi_host;
if (scsi_add_host(hreg, NULL))
goto free_interrupt;
scsi_scan_host(hreg);
return hreg;
free_interrupt:
free_irq(qlirq, hreg);
free_scsi_host:
scsi_host_put(hreg);
err_release_mem:
release_region(qbase, 0x10);
err:
return NULL;
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:77,代码来源:qlogicfas.c
注:本文中的scsi_host_alloc函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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