* 1.2: PowerPC (big endian) support.
*/
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h>
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
-# include <linux/blk.h>
-#endif
-
#include "nsp32.h"
static int __init init_nsp32 (void);
static void __exit exit_nsp32 (void);
-/* struct Scsi_Host_Template */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
+/* struct struct scsi_host_template */
static int nsp32_proc_info (struct Scsi_Host *, char *, char **, off_t, int, int);
-#else
-static int nsp32_proc_info (char *, char **, off_t, int, int, int);
-#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
static int nsp32_detect (struct pci_dev *pdev);
-#else
-static int nsp32_detect (Scsi_Host_Template *);
-#endif
static int nsp32_queuecommand(struct scsi_cmnd *,
void (*done)(struct scsi_cmnd *));
static const char *nsp32_info (struct Scsi_Host *);
static void nsp32_do_bus_reset(nsp32_hw_data *);
/* hardware interrupt handler */
-static irqreturn_t do_nsp32_isr(int, void *, struct pt_regs *);
+static irqreturn_t do_nsp32_isr(int, void *);
/* initialize hardware */
static int nsp32hw_init(nsp32_hw_data *);
.this_id = NSP32_HOST_SCSIID,
.use_clustering = DISABLE_CLUSTERING,
.eh_abort_handler = nsp32_eh_abort,
-/* .eh_device_reset_handler = NULL, */
.eh_bus_reset_handler = nsp32_eh_bus_reset,
.eh_host_reset_handler = nsp32_eh_host_reset,
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,74))
- .detect = nsp32_detect,
- .release = nsp32_release,
-#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,2))
- .use_new_eh_code = 1,
-#else
/* .highmem_io = 1, */
-#endif
};
#include "nsp32_io.h"
#else
# define NSP32_DEBUG_MASK 0xffffff
# define nsp32_msg(type, args...) \
- nsp32_message (__FUNCTION__, __LINE__, (type), args)
+ nsp32_message (__func__, __LINE__, (type), args)
# define nsp32_dbg(mask, args...) \
- nsp32_dmessage(__FUNCTION__, __LINE__, (mask), args)
+ nsp32_dmessage(__func__, __LINE__, (mask), args)
#endif
#define NSP32_DEBUG_QUEUECOMMAND BIT(0)
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
unsigned int base = SCpnt->device->host->io_port;
unsigned int host_id = SCpnt->device->host->this_id;
- unsigned char target = SCpnt->device->id;
+ unsigned char target = scmd_id(SCpnt);
nsp32_autoparam *param = data->autoparam;
unsigned char phase;
int i, ret;
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
unsigned int base = SCpnt->device->host->io_port;
unsigned int host_id = SCpnt->device->host->this_id;
- unsigned char target = SCpnt->device->id;
+ unsigned char target = scmd_id(SCpnt);
unsigned char phase;
int status;
unsigned short command = 0;
command = 0;
command |= (TRANSFER_GO | ALL_COUNTER_CLR);
if (data->trans_method & NSP32_TRANSFER_BUSMASTER) {
- if (SCpnt->request_bufflen > 0) {
+ if (scsi_bufflen(SCpnt) > 0) {
command |= BM_START;
}
} else if (data->trans_method & NSP32_TRANSFER_MMIO) {
static int nsp32_setup_sg_table(struct scsi_cmnd *SCpnt)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- struct scatterlist *sgl;
+ struct scatterlist *sg;
nsp32_sgtable *sgt = data->cur_lunt->sglun->sgt;
int num, i;
u32_le l;
- if (SCpnt->request_bufflen == 0) {
- return TRUE;
- }
-
if (sgt == NULL) {
nsp32_dbg(NSP32_DEBUG_SGLIST, "SGT == null");
return FALSE;
}
- if (SCpnt->use_sg) {
- sgl = (struct scatterlist *)SCpnt->request_buffer;
- num = pci_map_sg(data->Pci, sgl, SCpnt->use_sg,
- SCpnt->sc_data_direction);
- for (i = 0; i < num; i++) {
+ num = scsi_dma_map(SCpnt);
+ if (!num)
+ return TRUE;
+ else if (num < 0)
+ return FALSE;
+ else {
+ scsi_for_each_sg(SCpnt, sg, num, i) {
/*
* Build nsp32_sglist, substitute sg dma addresses.
*/
- sgt[i].addr = cpu_to_le32(sg_dma_address(sgl));
- sgt[i].len = cpu_to_le32(sg_dma_len(sgl));
- sgl++;
+ sgt[i].addr = cpu_to_le32(sg_dma_address(sg));
+ sgt[i].len = cpu_to_le32(sg_dma_len(sg));
if (le32_to_cpu(sgt[i].len) > 0x10000) {
nsp32_msg(KERN_ERR,
/* set end mark */
l = le32_to_cpu(sgt[num-1].len);
sgt[num-1].len = cpu_to_le32(l | SGTEND);
-
- } else {
- SCpnt->SCp.have_data_in = pci_map_single(data->Pci,
- SCpnt->request_buffer, SCpnt->request_bufflen,
- SCpnt->sc_data_direction);
-
- sgt[0].addr = cpu_to_le32(SCpnt->SCp.have_data_in);
- sgt[0].len = cpu_to_le32(SCpnt->request_bufflen | SGTEND); /* set end mark */
-
- if (SCpnt->request_bufflen > 0x10000) {
- nsp32_msg(KERN_ERR,
- "can't transfer over 64KB at a time, size=0x%lx", SCpnt->request_bufflen);
- return FALSE;
- }
- nsp32_dbg(NSP32_DEBUG_SGLIST, "single : addr 0x%lx len=0x%lx",
- le32_to_cpu(sgt[0].addr),
- le32_to_cpu(sgt[0].len ));
}
return TRUE;
"enter. target: 0x%x LUN: 0x%x cmnd: 0x%x cmndlen: 0x%x "
"use_sg: 0x%x reqbuf: 0x%lx reqlen: 0x%x",
SCpnt->device->id, SCpnt->device->lun, SCpnt->cmnd[0], SCpnt->cmd_len,
- SCpnt->use_sg, SCpnt->request_buffer, SCpnt->request_bufflen);
+ scsi_sg_count(SCpnt), scsi_sglist(SCpnt), scsi_bufflen(SCpnt));
if (data->CurrentSC != NULL) {
nsp32_msg(KERN_ERR, "Currentsc != NULL. Cancel this command request");
}
/* check target ID is not same as this initiator ID */
- if (SCpnt->device->id == SCpnt->device->host->this_id) {
+ if (scmd_id(SCpnt) == SCpnt->device->host->this_id) {
nsp32_dbg(NSP32_DEBUG_QUEUECOMMAND, "terget==host???");
SCpnt->result = DID_BAD_TARGET << 16;
done(SCpnt);
data->CurrentSC = SCpnt;
SCpnt->SCp.Status = CHECK_CONDITION;
SCpnt->SCp.Message = 0;
- SCpnt->resid = SCpnt->request_bufflen;
+ scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
- SCpnt->SCp.ptr = (char *) SCpnt->request_buffer;
- SCpnt->SCp.this_residual = SCpnt->request_bufflen;
+ SCpnt->SCp.ptr = (char *)scsi_sglist(SCpnt);
+ SCpnt->SCp.this_residual = scsi_bufflen(SCpnt);
SCpnt->SCp.buffer = NULL;
SCpnt->SCp.buffers_residual = 0;
* (target don't have SDTR_DONE and SDTR_INITIATOR), sync
* message SDTR is needed to do synchronous transfer.
*/
- target = &data->target[SCpnt->device->id];
+ target = &data->target[scmd_id(SCpnt)];
data->cur_target = target;
if (!(target->sync_flag & (SDTR_DONE | SDTR_INITIATOR | SDTR_TARGET))) {
/* interrupt routine */
-static irqreturn_t do_nsp32_isr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
{
nsp32_hw_data *data = dev_id;
unsigned int base = data->BaseAddress;
unsigned long flags;
int ret;
int handled = 0;
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
struct Scsi_Host *host = data->Host;
+
spin_lock_irqsave(host->host_lock, flags);
-#else
- spin_lock_irqsave(&io_request_lock, flags);
-#endif
/*
* IRQ check, then enable IRQ mask
}
if ((auto_stat & DATA_IN_PHASE) &&
- (SCpnt->resid > 0) &&
+ (scsi_get_resid(SCpnt) > 0) &&
((nsp32_read2(base, FIFO_REST_CNT) & FIFO_REST_MASK) != 0)) {
printk( "auto+fifo\n");
//nsp32_pio_read(SCpnt);
nsp32_dbg(NSP32_DEBUG_INTR, "SSACK=0x%lx",
nsp32_read4(base, SAVED_SACK_CNT));
- SCpnt->resid = 0; /* all data transfered! */
+ scsi_set_resid(SCpnt, 0); /* all data transfered! */
}
/*
nsp32_msg(KERN_ERR, "Received unexpected BMCNTERR IRQ! ");
/*
* TODO: To be implemented improving bus master
- * transfer reliablity when BMCNTERR is occurred in
+ * transfer reliability when BMCNTERR is occurred in
* AutoSCSI phase described in specification.
*/
}
nsp32_write2(base, IRQ_CONTROL, 0);
out2:
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
spin_unlock_irqrestore(host->host_lock, flags);
-#else
- spin_unlock_irqrestore(&io_request_lock, flags);
-#endif
nsp32_dbg(NSP32_DEBUG_INTR, "exit");
nsp32_dbg(NSP32_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\
} \
} while(0)
-static int nsp32_proc_info(
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
- struct Scsi_Host *host,
-#endif
- char *buffer,
- char **start,
- off_t offset,
- int length,
-#if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
- int hostno,
-#endif
- int inout)
+
+static int nsp32_proc_info(struct Scsi_Host *host, char *buffer, char **start,
+ off_t offset, int length, int inout)
{
char *pos = buffer;
int thislength;
unsigned long flags;
nsp32_hw_data *data;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
int hostno;
-#else
- struct Scsi_Host *host;
-#endif
unsigned int base;
unsigned char mode_reg;
int id, speed;
return -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
hostno = host->host_no;
-#else
- /* search this HBA host */
- host = scsi_host_hn_get(hostno);
- if (host == NULL) {
- return -ESRCH;
- }
-#endif
data = (nsp32_hw_data *)host->hostdata;
base = host->io_port;
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
unsigned int base = SCpnt->device->host->io_port;
- /*
- * unmap pci
- */
- if (SCpnt->request_bufflen == 0) {
- goto skip;
- }
+ scsi_dma_unmap(SCpnt);
- if (SCpnt->use_sg) {
- pci_unmap_sg(data->Pci,
- (struct scatterlist *)SCpnt->buffer,
- SCpnt->use_sg, SCpnt->sc_data_direction);
- } else {
- pci_unmap_single(data->Pci,
- (u32)SCpnt->SCp.have_data_in,
- SCpnt->request_bufflen,
- SCpnt->sc_data_direction);
- }
-
- skip:
/*
* clear TRANSFERCONTROL_BM_START
*/
SCpnt->SCp.Message = 0;
nsp32_dbg(NSP32_DEBUG_BUSFREE,
"normal end stat=0x%x resid=0x%x\n",
- SCpnt->SCp.Status, SCpnt->resid);
+ SCpnt->SCp.Status, scsi_get_resid(SCpnt));
SCpnt->result = (DID_OK << 16) |
(SCpnt->SCp.Message << 8) |
(SCpnt->SCp.Status << 0);
unsigned int restlen, sentlen;
u32_le len, addr;
- nsp32_dbg(NSP32_DEBUG_SGLIST, "old resid=0x%x", SCpnt->resid);
+ nsp32_dbg(NSP32_DEBUG_SGLIST, "old resid=0x%x", scsi_get_resid(SCpnt));
/* adjust saved SACK count with 4 byte start address boundary */
s_sacklen -= le32_to_cpu(sgt[old_entry].addr) & 3;
return;
last:
- if (SCpnt->resid < sentlen) {
+ if (scsi_get_resid(SCpnt) < sentlen) {
nsp32_msg(KERN_ERR, "resid underflow");
}
- SCpnt->resid -= sentlen;
- nsp32_dbg(NSP32_DEBUG_SGLIST, "new resid=0x%x", SCpnt->resid);
+ scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) - sentlen);
+ nsp32_dbg(NSP32_DEBUG_SGLIST, "new resid=0x%x", scsi_get_resid(SCpnt));
/* update hostdata and lun */
transfer = 0;
transfer |= (TRANSFER_GO | ALL_COUNTER_CLR);
if (data->trans_method & NSP32_TRANSFER_BUSMASTER) {
- if (SCpnt->request_bufflen > 0) {
+ if (scsi_bufflen(SCpnt) > 0) {
transfer |= BM_START;
}
} else if (data->trans_method & NSP32_TRANSFER_MMIO) {
* 0x900-0xbff: (map same 0x800-0x8ff I/O port image repeatedly)
* 0xc00-0xfff: CardBus status registers
*/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
-#define DETECT_OK 0
-#define DETECT_NG 1
-#define PCIDEV pdev
static int nsp32_detect(struct pci_dev *pdev)
-#else
-#define DETECT_OK 1
-#define DETECT_NG 0
-#define PCIDEV (data->Pci)
-static int nsp32_detect(Scsi_Host_Template *sht)
-#endif
{
struct Scsi_Host *host; /* registered host structure */
struct resource *res;
/*
* register this HBA as SCSI device
*/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
host = scsi_host_alloc(&nsp32_template, sizeof(nsp32_hw_data));
-#else
- host = scsi_register(sht, sizeof(nsp32_hw_data));
-#endif
if (host == NULL) {
nsp32_msg (KERN_ERR, "failed to scsi register");
goto err;
host->unique_id = data->BaseAddress;
host->n_io_port = data->NumAddress;
host->base = (unsigned long)data->MmioAddress;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,63))
- scsi_set_device(host, &PCIDEV->dev);
-#else
- scsi_set_pci_device(host, PCIDEV);
-#endif
data->Host = host;
spin_lock_init(&(data->Lock));
/*
* setup DMA
*/
- if (pci_set_dma_mask(PCIDEV, 0xffffffffUL) != 0) {
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
nsp32_msg (KERN_ERR, "failed to set PCI DMA mask");
goto scsi_unregister;
}
/*
* allocate autoparam DMA resource.
*/
- data->autoparam = pci_alloc_consistent(PCIDEV, sizeof(nsp32_autoparam), &(data->auto_paddr));
+ data->autoparam = pci_alloc_consistent(pdev, sizeof(nsp32_autoparam), &(data->auto_paddr));
if (data->autoparam == NULL) {
nsp32_msg(KERN_ERR, "failed to allocate DMA memory");
goto scsi_unregister;
/*
* allocate scatter-gather DMA resource.
*/
- data->sg_list = pci_alloc_consistent(PCIDEV, NSP32_SG_TABLE_SIZE,
+ data->sg_list = pci_alloc_consistent(pdev, NSP32_SG_TABLE_SIZE,
&(data->sg_paddr));
if (data->sg_list == NULL) {
nsp32_msg(KERN_ERR, "failed to allocate DMA memory");
*/
nsp32_do_bus_reset(data);
- ret = request_irq(host->irq, do_nsp32_isr,
- SA_SHIRQ | SA_SAMPLE_RANDOM, "nsp32", data);
+ ret = request_irq(host->irq, do_nsp32_isr, IRQF_SHARED, "nsp32", data);
if (ret < 0) {
nsp32_msg(KERN_ERR, "Unable to allocate IRQ for NinjaSCSI32 "
"SCSI PCI controller. Interrupt: %d", host->irq);
goto free_irq;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
- scsi_add_host (host, &PCIDEV->dev);
+ ret = scsi_add_host(host, &pdev->dev);
+ if (ret) {
+ nsp32_msg(KERN_ERR, "failed to add scsi host");
+ goto free_region;
+ }
scsi_scan_host(host);
-#endif
- pci_set_drvdata(PCIDEV, host);
- return DETECT_OK;
+ pci_set_drvdata(pdev, host);
+ return 0;
+
+ free_region:
+ release_region(host->io_port, host->n_io_port);
free_irq:
free_irq(host->irq, data);
free_sg_list:
- pci_free_consistent(PCIDEV, NSP32_SG_TABLE_SIZE,
+ pci_free_consistent(pdev, NSP32_SG_TABLE_SIZE,
data->sg_list, data->sg_paddr);
free_autoparam:
- pci_free_consistent(PCIDEV, sizeof(nsp32_autoparam),
+ pci_free_consistent(pdev, sizeof(nsp32_autoparam),
data->autoparam, data->auto_paddr);
scsi_unregister:
scsi_host_put(host);
err:
- return DETECT_NG;
+ return 1;
}
-#undef DETECT_OK
-#undef DETECT_NG
-#undef PCIDEV
static int nsp32_release(struct Scsi_Host *host)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
unsigned int base = SCpnt->device->host->io_port;
+ spin_lock_irq(SCpnt->device->host->host_lock);
+
nsp32_msg(KERN_INFO, "Bus Reset");
nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);
nsp32_do_bus_reset(data);
nsp32_write2(base, IRQ_CONTROL, 0);
+ spin_unlock_irq(SCpnt->device->host->host_lock);
return SUCCESS; /* SCSI bus reset is succeeded at any time. */
}
nsp32_msg(KERN_INFO, "Host Reset");
nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);
+ spin_lock_irq(SCpnt->device->host->host_lock);
+
nsp32hw_init(data);
nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK);
nsp32_do_bus_reset(data);
nsp32_write2(base, IRQ_CONTROL, 0);
+ spin_unlock_irq(SCpnt->device->host->host_lock);
return SUCCESS; /* Host reset is succeeded at any time. */
}
#ifdef CONFIG_PM
/* Device suspended */
-static int nsp32_suspend(struct pci_dev *pdev, u32 state)
+static int nsp32_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
pci_save_state (pdev);
pci_disable_device (pdev);
- pci_set_power_state(pdev, state);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
nsp32_msg(KERN_INFO, "pci-resume: pdev=0x%p, slot=%s, host=0x%p", pdev, pci_name(pdev), host);
- pci_set_power_state(pdev, 0);
- pci_enable_wake (pdev, 0, 0);
+ pci_set_power_state(pdev, PCI_D0);
+ pci_enable_wake (pdev, PCI_D0, 0);
pci_restore_state (pdev);
reg = nsp32_read2(data->BaseAddress, INDEX_REG);
return 0;
}
-/* Enable wake event */
-static int nsp32_enable_wake(struct pci_dev *pdev, u32 state, int enable)
-{
- struct Scsi_Host *host = pci_get_drvdata(pdev);
-
- nsp32_msg(KERN_INFO, "pci-enable_wake: stub, pdev=0x%p, enable=%d, slot=%s, host=0x%p", pdev, enable, pci_name(pdev), host);
-
- return 0;
-}
#endif
/************************************************************************
data->IrqNumber = pdev->irq;
data->BaseAddress = pci_resource_start(pdev, 0);
data->NumAddress = pci_resource_len (pdev, 0);
- data->MmioAddress = ioremap_nocache(pci_resource_start(pdev, 1),
- pci_resource_len (pdev, 1));
+ data->MmioAddress = pci_ioremap_bar(pdev, 1);
data->MmioLength = pci_resource_len (pdev, 1);
pci_set_master(pdev);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
ret = nsp32_detect(pdev);
-#else
- ret = scsi_register_host(&nsp32_template);
-#endif
nsp32_msg(KERN_INFO, "irq: %i mmio: %p+0x%lx slot: %s model: %s",
pdev->irq,
static void __devexit nsp32_remove(struct pci_dev *pdev)
{
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
struct Scsi_Host *host = pci_get_drvdata(pdev);
-#endif
nsp32_dbg(NSP32_DEBUG_REGISTER, "enter");
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
scsi_remove_host(host);
nsp32_release(host);
scsi_host_put(host);
-#else
- scsi_unregister_host(&nsp32_template);
-#endif
}
-
-
static struct pci_driver nsp32_driver = {
.name = "nsp32",
.id_table = nsp32_pci_table,
#ifdef CONFIG_PM
.suspend = nsp32_suspend,
.resume = nsp32_resume,
- .enable_wake = nsp32_enable_wake,
#endif
};
*/
static int __init init_nsp32(void) {
nsp32_msg(KERN_INFO, "loading...");
- return pci_module_init(&nsp32_driver);
+ return pci_register_driver(&nsp32_driver);
}
static void __exit exit_nsp32(void) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff