#include <linux/module.h>
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/init.h>
#include "scsi.h"
-#include "hosts.h"
+#include <scsi/scsi_host.h>
#include "NCR53C9x.h"
#include <asm/system.h>
};
/* The master ring of all esp hosts we are managing in this driver. */
-struct NCR_ESP *espchain = 0;
+static struct NCR_ESP *espchain;
int nesps = 0, esps_in_use = 0, esps_running = 0;
-irqreturn_t esp_intr(int irq, void *dev_id, struct pt_regs *pregs);
+irqreturn_t esp_intr(int irq, void *dev_id);
/* Debugging routines */
-struct esp_cmdstrings {
+static struct esp_cmdstrings {
unchar cmdchar;
char *text;
} esp_cmd_strings[] = {
#endif
#ifdef DEBUG_ESP_CMDS
-inline void esp_cmd(struct NCR_ESP *esp, struct ESP_regs *eregs,
+static inline void esp_cmd(struct NCR_ESP *esp, struct ESP_regs *eregs,
unchar cmd)
{
esp->espcmdlog[esp->espcmdent] = cmd;
/* Allocate structure and insert basic data such as SCSI chip frequency
* data and a pointer to the device
*/
-struct NCR_ESP* esp_allocate(Scsi_Host_Template *tpnt, void *esp_dev)
+struct NCR_ESP* esp_allocate(struct scsi_host_template *tpnt, void *esp_dev)
{
struct NCR_ESP *esp, *elink;
struct Scsi_Host *esp_host;
} else {
espchain = esp;
}
- esp->next = 0;
+ esp->next = NULL;
return esp;
}
struct NCR_ESP *elink;
if(espchain == esp) {
- espchain = 0;
+ espchain = NULL;
} else {
for(elink = espchain; elink && (elink->next != esp); elink = elink->next);
if(elink)
}
/* Initialize the command queues */
- esp->current_SC = 0;
- esp->disconnected_SC = 0;
- esp->issue_SC = 0;
+ esp->current_SC = NULL;
+ esp->disconnected_SC = NULL;
+ esp->issue_SC = NULL;
/* Clear the state machines. */
esp->targets_present = 0;
sp->SCp.ptr =
(char *) virt_to_phys(sp->request_buffer);
} else {
- sp->SCp.buffer = (struct scatterlist *) sp->buffer;
+ sp->SCp.buffer = (struct scatterlist *) sp->request_buffer;
sp->SCp.buffers_residual = sp->use_sg - 1;
sp->SCp.this_residual = sp->SCp.buffer->length;
if (esp->dma_mmu_get_scsi_sgl)
static void esp_restore_pointers(struct NCR_ESP *esp, Scsi_Cmnd *sp)
{
- struct esp_pointers *ep = &esp->data_pointers[sp->device->id];
+ struct esp_pointers *ep = &esp->data_pointers[scmd_id(sp)];
sp->SCp.ptr = ep->saved_ptr;
sp->SCp.buffer = ep->saved_buffer;
static void esp_save_pointers(struct NCR_ESP *esp, Scsi_Cmnd *sp)
{
- struct esp_pointers *ep = &esp->data_pointers[sp->device->id];
+ struct esp_pointers *ep = &esp->data_pointers[scmd_id(sp)];
ep->saved_ptr = sp->SCp.ptr;
ep->saved_buffer = sp->SCp.buffer;
struct ESP_regs *eregs = esp->eregs;
struct esp_device *esp_dev;
Scsi_Cmnd *SCptr;
- Scsi_Device *SDptr;
+ struct scsi_device *SDptr;
volatile unchar *cmdp = esp->esp_command;
unsigned char the_esp_command;
int lun, target;
return 0;
}
-/* Only queuing supported in this ESP driver. */
-int esp_command(Scsi_Cmnd *SCpnt)
-{
-#ifdef DEBUG_ESP
- struct NCR_ESP *esp = (struct NCR_ESP *) SCpnt->device->host->hostdata;
-#endif
-
- ESPLOG(("esp%d: esp_command() called...\n", esp->esp_id));
- return -1;
-}
-
/* Dump driver state. */
static void esp_dump_cmd(Scsi_Cmnd *SCptr)
{
{
struct NCR_ESP *esp = (struct NCR_ESP *) SCptr->device->host->hostdata;
+ spin_lock_irq(esp->ehost->host_lock);
(void) esp_do_resetbus(esp, esp->eregs);
-
spin_unlock_irq(esp->ehost->host_lock);
wait_event(esp->reset_queue, (esp->resetting_bus == 0));
- spin_lock_irq(esp->ehost->host_lock);
-
return SUCCESS;
}
static inline void esp_connect(struct NCR_ESP *esp, struct ESP_regs *eregs,
Scsi_Cmnd *sp)
{
- Scsi_Device *dp = sp->device;
+ struct scsi_device *dp = sp->device;
struct esp_device *esp_dev = dp->hostdata;
if(esp->prev_soff != esp_dev->sync_max_offset ||
esp->prev_stp != esp_dev->sync_min_period ||
(esp->erev > esp100a &&
- esp->prev_cfg3 != esp->config3[sp->device->id])) {
+ esp->prev_cfg3 != esp->config3[scmd_id(sp)])) {
esp->prev_soff = esp_dev->sync_max_offset;
esp_write(eregs->esp_soff, esp->prev_soff);
esp->prev_stp = esp_dev->sync_min_period;
esp_write(eregs->esp_stp, esp->prev_stp);
if(esp->erev > esp100a) {
- esp->prev_cfg3 = esp->config3[sp->device->id];
+ esp->prev_cfg3 = esp->config3[scmd_id(sp)];
esp_write(eregs->esp_cfg3, esp->prev_cfg3);
}
}
ESPLOG(("esp%d: Weird, being reselected but disconnected "
"command queue is empty.\n", esp->esp_id));
esp->snip = 0;
- esp->current_SC = 0;
+ esp->current_SC = NULL;
sp->SCp.phase = not_issued;
append_SC(&esp->issue_SC, sp);
}
*/
int oldphase, i = 0; /* or where we left off last time ?? esp->current_data ?? */
int fifocnt = 0;
+ unsigned char *p = phys_to_virt((unsigned long)SCptr->SCp.ptr);
oldphase = esp_read(eregs->esp_status) & ESP_STAT_PMASK;
/* loop */
while (hmuch) {
int j, fifo_stuck = 0, newphase;
- unsigned long flags, timeout;
+ unsigned long timeout;
+#if 0
+ unsigned long flags;
+#endif
#if 0
if ( i % 10 )
ESPDATA(("\r"));
/* read fifo */
for(j=0;j<fifocnt;j++)
- SCptr->SCp.ptr[i++] = esp_read(eregs->esp_fdata);
+ p[i++] = esp_read(eregs->esp_fdata);
ESPDATA(("(%d) ", i));
/* fill fifo */
for(j=0;j<this_count;j++)
- esp_write(eregs->esp_fdata, SCptr->SCp.ptr[i++]);
+ esp_write(eregs->esp_fdata, p[i++]);
/* how many left if this goes out ?? */
hmuch -= this_count;
*/
static int esp_should_clear_sync(Scsi_Cmnd *sp)
{
- unchar cmd1 = sp->cmnd[0];
- unchar cmd2 = sp->data_cmnd[0];
+ unchar cmd = sp->cmnd[0];
/* These cases are for spinning up a disk and
* waiting for that spinup to complete.
*/
- if(cmd1 == START_STOP ||
- cmd2 == START_STOP)
+ if(cmd == START_STOP)
return 0;
- if(cmd1 == TEST_UNIT_READY ||
- cmd2 == TEST_UNIT_READY)
+ if(cmd == TEST_UNIT_READY)
return 0;
/* One more special case for SCSI tape drives,
* this is what is used to probe the device for
* completion of a rewind or tape load operation.
*/
- if(sp->device->type == TYPE_TAPE) {
- if(cmd1 == MODE_SENSE ||
- cmd2 == MODE_SENSE)
- return 0;
- }
+ if(sp->device->type == TYPE_TAPE && cmd == MODE_SENSE)
+ return 0;
return 1;
}
if(SCptr->SCp.Status != GOOD &&
SCptr->SCp.Status != CONDITION_GOOD &&
- ((1<<SCptr->device->id) & esp->targets_present) &&
+ ((1<<scmd_id(SCptr)) & esp->targets_present) &&
esp_dev->sync && esp_dev->sync_max_offset) {
/* SCSI standard says that the synchronous capabilities
* should be renegotiated at this point. Most likely
*/
if(esp->ireg == (ESP_INTR_FDONE | ESP_INTR_BSERV)) {
/* target speaks... */
- esp->targets_present |= (1<<SCptr->device->id);
+ esp->targets_present |= (1<<scmd_id(SCptr));
/* What if the target ignores the sdtr? */
if(esp->snip)
ESPSDTR(("soff=%2x stp=%2x cfg3=%2x\n",
esp_dev->sync_max_offset,
esp_dev->sync_min_period,
- esp->config3[SCptr->device->id]));
+ esp->config3[scmd_id(SCptr)]));
esp->snip = 0;
} else if(esp_dev->sync_max_offset) {
}
static espfunc_t isvc_vector[] = {
- 0,
+ NULL,
esp_do_phase_determine,
esp_do_resetbus,
esp_finish_reset,
}
#ifndef CONFIG_SMP
-irqreturn_t esp_intr(int irq, void *dev_id, struct pt_regs *pregs)
+irqreturn_t esp_intr(int irq, void *dev_id)
{
struct NCR_ESP *esp;
unsigned long flags;
}
#else
/* For SMP we only service one ESP on the list list at our IRQ level! */
-irqreturn_t esp_intr(int irq, void *dev_id, struct pt_regs *pregs)
+irqreturn_t esp_intr(int irq, void *dev_id)
{
struct NCR_ESP *esp;
unsigned long flags;
}
#endif
-int esp_slave_alloc(Scsi_Device *SDptr)
+int esp_slave_alloc(struct scsi_device *SDptr)
{
struct esp_device *esp_dev =
kmalloc(sizeof(struct esp_device), GFP_ATOMIC);
return 0;
}
-void esp_slave_destroy(Scsi_Device *SDptr)
+void esp_slave_destroy(struct scsi_device *SDptr)
{
struct NCR_ESP *esp = (struct NCR_ESP *) SDptr->host->hostdata;
- esp->targets_present &= ~(1 << SDptr->id);
+ esp->targets_present &= ~(1 << sdev_id(SDptr));
kfree(SDptr->hostdata);
SDptr->hostdata = NULL;
}
}
#endif
+EXPORT_SYMBOL(esp_abort);
+EXPORT_SYMBOL(esp_allocate);
+EXPORT_SYMBOL(esp_deallocate);
+EXPORT_SYMBOL(esp_initialize);
+EXPORT_SYMBOL(esp_intr);
+EXPORT_SYMBOL(esp_queue);
+EXPORT_SYMBOL(esp_reset);
+EXPORT_SYMBOL(esp_slave_alloc);
+EXPORT_SYMBOL(esp_slave_destroy);
+EXPORT_SYMBOL(esps_in_use);
+
MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff