#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
-#include "scsi.h"
-#include <scsi/scsi_host.h>
#include "esp.h"
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/io.h>
#include <asm/irq.h>
-
#ifndef __sparc_v9__
#include <asm/machines.h>
#include <asm/idprom.h>
#endif
-#include <linux/module.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+
+#define DRV_VERSION "1.101"
#define DEBUG_ESP
/* #define DEBUG_ESP_HME */
/* The master ring of all esp hosts we are managing in this driver. */
static struct esp *espchain;
-static spinlock_t espchain_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(espchain_lock);
static int esps_running = 0;
/* Forward declarations. */
}
#ifdef DEBUG_STATE_MACHINE
-static inline void esp_advance_phase(Scsi_Cmnd *s, int newphase)
+static inline void esp_advance_phase(struct scsi_cmnd *s, int newphase)
{
ESPLOG(("<%s>", phase_string(newphase)));
s->SCp.sent_command = s->SCp.phase;
* Note that these are per-ESP queues, not global queues like
* the aha152x driver uses.
*/
-static inline void append_SC(Scsi_Cmnd **SC, Scsi_Cmnd *new_SC)
+static inline void append_SC(struct scsi_cmnd **SC, struct scsi_cmnd *new_SC)
{
- Scsi_Cmnd *end;
+ struct scsi_cmnd *end;
new_SC->host_scribble = (unsigned char *) NULL;
if (!*SC)
*SC = new_SC;
else {
- for (end=*SC;end->host_scribble;end=(Scsi_Cmnd *)end->host_scribble)
+ for (end=*SC;end->host_scribble;end=(struct scsi_cmnd *)end->host_scribble)
;
end->host_scribble = (unsigned char *) new_SC;
}
}
-static inline void prepend_SC(Scsi_Cmnd **SC, Scsi_Cmnd *new_SC)
+static inline void prepend_SC(struct scsi_cmnd **SC, struct scsi_cmnd *new_SC)
{
new_SC->host_scribble = (unsigned char *) *SC;
*SC = new_SC;
}
-static inline Scsi_Cmnd *remove_first_SC(Scsi_Cmnd **SC)
+static inline struct scsi_cmnd *remove_first_SC(struct scsi_cmnd **SC)
{
- Scsi_Cmnd *ptr;
+ struct scsi_cmnd *ptr;
ptr = *SC;
if (ptr)
- *SC = (Scsi_Cmnd *) (*SC)->host_scribble;
+ *SC = (struct scsi_cmnd *) (*SC)->host_scribble;
return ptr;
}
-static inline Scsi_Cmnd *remove_SC(Scsi_Cmnd **SC, int target, int lun)
+static inline struct scsi_cmnd *remove_SC(struct scsi_cmnd **SC, int target, int lun)
{
- Scsi_Cmnd *ptr, *prev;
+ struct scsi_cmnd *ptr, *prev;
for (ptr = *SC, prev = NULL;
ptr && ((ptr->device->id != target) || (ptr->device->lun != lun));
- prev = ptr, ptr = (Scsi_Cmnd *) ptr->host_scribble)
+ prev = ptr, ptr = (struct scsi_cmnd *) ptr->host_scribble)
;
if (ptr) {
if (prev)
prev->host_scribble=ptr->host_scribble;
else
- *SC=(Scsi_Cmnd *)ptr->host_scribble;
+ *SC=(struct scsi_cmnd *)ptr->host_scribble;
}
return ptr;
}
esp->prev_hme_dmacsr = 0xffffffff;
}
-static int __init detect_one_esp(Scsi_Host_Template *tpnt, struct sbus_dev *esp_dev,
+static int __init detect_one_esp(struct scsi_host_template *tpnt, struct sbus_dev *esp_dev,
struct sbus_dev *espdma, struct sbus_bus *sbus,
int id, int hme)
{
#include <asm/sun4paddr.h>
-static int __init esp_detect(Scsi_Host_Template *tpnt)
+static int __init esp_detect(struct scsi_host_template *tpnt)
{
static struct sbus_dev esp_dev;
int esps_in_use = 0;
- espchain = 0;
+ espchain = NULL;
if (sun4_esp_physaddr) {
memset (&esp_dev, 0, sizeof(esp_dev));
#else /* !CONFIG_SUN4 */
-static int __init esp_detect(Scsi_Host_Template *tpnt)
+static int __init esp_detect(struct scsi_host_template *tpnt)
{
struct sbus_bus *sbus;
struct sbus_dev *esp_dev, *sbdev_iter;
return esp_host_info(esp, buffer, offset, length);
}
-static void esp_get_dmabufs(struct esp *esp, Scsi_Cmnd *sp)
+static void esp_get_dmabufs(struct esp *esp, struct scsi_cmnd *sp)
{
if (sp->use_sg == 0) {
sp->SCp.this_residual = sp->request_bufflen;
if (sp->request_bufflen) {
sp->SCp.have_data_in = sbus_map_single(esp->sdev, sp->SCp.buffer,
sp->SCp.this_residual,
- scsi_to_sbus_dma_dir(sp->sc_data_direction));
+ sp->sc_data_direction);
sp->SCp.ptr = (char *) ((unsigned long)sp->SCp.have_data_in);
} else {
sp->SCp.ptr = NULL;
sp->SCp.buffers_residual = sbus_map_sg(esp->sdev,
sp->SCp.buffer,
sp->use_sg,
- scsi_to_sbus_dma_dir(sp->sc_data_direction));
+ sp->sc_data_direction);
sp->SCp.this_residual = sg_dma_len(sp->SCp.buffer);
sp->SCp.ptr = (char *) ((unsigned long)sg_dma_address(sp->SCp.buffer));
}
}
-static void esp_release_dmabufs(struct esp *esp, Scsi_Cmnd *sp)
+static void esp_release_dmabufs(struct esp *esp, struct scsi_cmnd *sp)
{
if (sp->use_sg) {
sbus_unmap_sg(esp->sdev, sp->buffer, sp->use_sg,
- scsi_to_sbus_dma_dir(sp->sc_data_direction));
+ sp->sc_data_direction);
} else if (sp->request_bufflen) {
sbus_unmap_single(esp->sdev,
sp->SCp.have_data_in,
sp->request_bufflen,
- scsi_to_sbus_dma_dir(sp->sc_data_direction));
+ sp->sc_data_direction);
}
}
-static void esp_restore_pointers(struct esp *esp, Scsi_Cmnd *sp)
+static void esp_restore_pointers(struct esp *esp, struct scsi_cmnd *sp)
{
struct esp_pointers *ep = &esp->data_pointers[sp->device->id];
sp->SCp.buffers_residual = ep->saved_buffers_residual;
}
-static void esp_save_pointers(struct esp *esp, Scsi_Cmnd *sp)
+static void esp_save_pointers(struct esp *esp, struct scsi_cmnd *sp)
{
struct esp_pointers *ep = &esp->data_pointers[sp->device->id];
* case where we could see an interrupt is where we have disconnected
* commands active and they are trying to reselect us.
*/
-static inline void esp_check_cmd(struct esp *esp, Scsi_Cmnd *sp)
+static inline void esp_check_cmd(struct esp *esp, struct scsi_cmnd *sp)
{
switch (sp->cmd_len) {
case 6:
static void esp_exec_cmd(struct esp *esp)
{
- Scsi_Cmnd *SCptr;
- Scsi_Device *SDptr;
+ struct scsi_cmnd *SCptr;
+ struct scsi_device *SDptr;
struct esp_device *esp_dev;
volatile u8 *cmdp = esp->esp_command;
u8 the_esp_command;
}
/* Queue a SCSI command delivered from the mid-level Linux SCSI code. */
-static int esp_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
+static int esp_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
{
struct esp *esp;
}
/* Dump driver state. */
-static void esp_dump_cmd(Scsi_Cmnd *SCptr)
+static void esp_dump_cmd(struct scsi_cmnd *SCptr)
{
ESPLOG(("[tgt<%02x> lun<%02x> "
"pphase<%s> cphase<%s>]",
static void esp_dump_state(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
#ifdef DEBUG_ESP_CMDS
int i;
#endif
ESPLOG(("esp%d: disconnected ", esp->esp_id));
while (SCptr) {
esp_dump_cmd(SCptr);
- SCptr = (Scsi_Cmnd *) SCptr->host_scribble;
+ SCptr = (struct scsi_cmnd *) SCptr->host_scribble;
}
ESPLOG(("\n"));
}
/* Abort a command. The host_lock is acquired by caller. */
-static int esp_abort(Scsi_Cmnd *SCptr)
+static int esp_abort(struct scsi_cmnd *SCptr)
{
struct esp *esp = (struct esp *) SCptr->device->host->hostdata;
int don;
ESP_INTSOFF(esp->dregs);
}
if (esp->issue_SC) {
- Scsi_Cmnd **prev, *this;
+ struct scsi_cmnd **prev, *this;
for (prev = (&esp->issue_SC), this = esp->issue_SC;
this != NULL;
- prev = (Scsi_Cmnd **) &(this->host_scribble),
- this = (Scsi_Cmnd *) this->host_scribble) {
+ prev = (struct scsi_cmnd **) &(this->host_scribble),
+ this = (struct scsi_cmnd *) this->host_scribble) {
if (this == SCptr) {
- *prev = (Scsi_Cmnd *) this->host_scribble;
+ *prev = (struct scsi_cmnd *) this->host_scribble;
this->host_scribble = NULL;
esp_release_dmabufs(esp, this);
*/
static int esp_finish_reset(struct esp *esp)
{
- Scsi_Cmnd *sp = esp->current_SC;
+ struct scsi_cmnd *sp = esp->current_SC;
/* Clean up currently executing command, if any. */
if (sp != NULL) {
*
* The host_lock is acquired by caller.
*/
-static int esp_reset(Scsi_Cmnd *SCptr)
+static int esp_reset(struct scsi_cmnd *SCptr)
{
struct esp *esp = (struct esp *) SCptr->device->host->hostdata;
+ spin_lock_irq(esp->ehost->host_lock);
(void) esp_do_resetbus(esp);
-
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;
}
/* Internal ESP done function. */
static void esp_done(struct esp *esp, int error)
{
- Scsi_Cmnd *done_SC = esp->current_SC;
+ struct scsi_cmnd *done_SC = esp->current_SC;
esp->current_SC = NULL;
/* We try to avoid some interrupts by jumping ahead and see if the ESP
* has gotten far enough yet. Hence the following.
*/
-static inline int skipahead1(struct esp *esp, Scsi_Cmnd *scp,
+static inline int skipahead1(struct esp *esp, struct scsi_cmnd *scp,
int prev_phase, int new_phase)
{
if (scp->SCp.sent_command != prev_phase)
return do_intr_end;
}
-static inline int skipahead2(struct esp *esp, Scsi_Cmnd *scp,
+static inline int skipahead2(struct esp *esp, struct scsi_cmnd *scp,
int prev_phase1, int prev_phase2, int new_phase)
{
if (scp->SCp.sent_command != prev_phase1 &&
dma_invalidate(esp);
}
-static int dma_can_transfer(struct esp *esp, Scsi_Cmnd *sp)
+static int dma_can_transfer(struct esp *esp, struct scsi_cmnd *sp)
{
__u32 base, end, sz;
* tell the ESP to eat the extraneous byte so that we can proceed
* to the next phase.
*/
-static int esp100_sync_hwbug(struct esp *esp, Scsi_Cmnd *sp, int fifocnt)
+static int esp100_sync_hwbug(struct esp *esp, struct scsi_cmnd *sp, int fifocnt)
{
/* Do not touch this piece of code. */
if ((!(esp->erev == esp100)) ||
/* This puts the driver in a state where it can revitalize a command that
* is being continued due to reselection.
*/
-static inline void esp_connect(struct esp *esp, Scsi_Cmnd *sp)
+static inline void esp_connect(struct esp *esp, struct scsi_cmnd *sp)
{
struct esp_device *esp_dev = sp->device->hostdata;
/* This will place the current working command back into the issue queue
* if we are to receive a reselection amidst a selection attempt.
*/
-static inline void esp_reconnect(struct esp *esp, Scsi_Cmnd *sp)
+static inline void esp_reconnect(struct esp *esp, struct scsi_cmnd *sp)
{
if (!esp->disconnected_SC)
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);
}
return rval - fifo_count;
}
-static inline void advance_sg(Scsi_Cmnd *sp)
+static inline void advance_sg(struct scsi_cmnd *sp)
{
++sp->SCp.buffer;
--sp->SCp.buffers_residual;
*/
static int esp_do_data(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
int thisphase, hmuch;
ESPDATA(("esp_do_data: "));
/* See how successful the data transfer was. */
static int esp_do_data_finale(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
struct esp_device *esp_dev = SCptr->device->hostdata;
int bogus_data = 0, bytes_sent = 0, fifocnt, ecount = 0;
* a tape, we don't want to go into a loop re-negotiating
* synchronous capabilities over and over.
*/
-static int esp_should_clear_sync(Scsi_Cmnd *sp)
+static int esp_should_clear_sync(struct scsi_cmnd *sp)
{
u8 cmd1 = sp->cmnd[0];
u8 cmd2 = sp->data_cmnd[0];
*/
static int esp_do_freebus(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
struct esp_device *esp_dev = SCptr->device->hostdata;
int rval;
*/
static int esp_bad_reconnect(struct esp *esp)
{
- Scsi_Cmnd *sp;
+ struct scsi_cmnd *sp;
ESPLOG(("esp%d: Eieeee, reconnecting unknown command!\n",
esp->esp_id));
ESPLOG(("esp%d: issue_SC[", esp->esp_id));
while (sp) {
ESPLOG(("<%02x,%02x>", sp->device->id, sp->device->lun));
- sp = (Scsi_Cmnd *) sp->host_scribble;
+ sp = (struct scsi_cmnd *) sp->host_scribble;
}
ESPLOG(("]\n"));
sp = esp->current_SC;
ESPLOG(("esp%d: disconnected_SC[", esp->esp_id));
while (sp) {
ESPLOG(("<%02x,%02x>", sp->device->id, sp->device->lun));
- sp = (Scsi_Cmnd *) sp->host_scribble;
+ sp = (struct scsi_cmnd *) sp->host_scribble;
}
ESPLOG(("]\n"));
return do_reset_bus;
static int esp_do_reconnect(struct esp *esp)
{
int lun, target;
- Scsi_Cmnd *SCptr;
+ struct scsi_cmnd *SCptr;
/* Check for all bogus conditions first. */
target = reconnect_target(esp);
*/
static int esp_do_status(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
int intr, rval;
rval = skipahead1(esp, SCptr, in_the_dark, in_status);
static int esp_disconnect_amidst_phases(struct esp *esp)
{
- Scsi_Cmnd *sp = esp->current_SC;
+ struct scsi_cmnd *sp = esp->current_SC;
struct esp_device *esp_dev = sp->device->hostdata;
/* This means real problems if we see this
/* First interrupt after exec'ing a cmd comes here. */
static int esp_select_complete(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
struct esp_device *esp_dev = SCptr->device->hostdata;
int cmd_bytes_sent, fcnt;
* this because so many initiators cannot cope with this occurring.
*/
static int target_with_ants_in_pants(struct esp *esp,
- Scsi_Cmnd *SCptr,
+ struct scsi_cmnd *SCptr,
struct esp_device *esp_dev)
{
if (esp_dev->sync || SCptr->device->borken) {
static int check_multibyte_msg(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
struct esp_device *esp_dev = SCptr->device->hostdata;
u8 regval = 0;
int message_out = 0;
static int esp_do_msgindone(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
int message_out = 0, it = 0, rval;
rval = skipahead1(esp, SCptr, in_msgin, in_msgindone);
static int esp_do_cmdbegin(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
esp_advance_phase(SCptr, in_cmdend);
if (esp->erev == fashme) {
/* This is the second tier in our dual-level SCSI state machine. */
static int esp_work_bus(struct esp *esp)
{
- Scsi_Cmnd *SCptr = esp->current_SC;
+ struct scsi_cmnd *SCptr = esp->current_SC;
unsigned int phase;
ESPBUS(("esp_work_bus: "));
}
static espfunc_t isvc_vector[] = {
- 0,
+ NULL,
esp_do_phase_determine,
esp_do_resetbus,
esp_finish_reset,
/* Main interrupt handler for an esp adapter. */
static void esp_handle(struct esp *esp)
{
- Scsi_Cmnd *SCptr;
+ struct scsi_cmnd *SCptr;
int what_next = do_intr_end;
SCptr = esp->current_SC;
return IRQ_HANDLED;
}
-static int esp_slave_alloc(Scsi_Device *SDptr)
+static int esp_slave_alloc(struct scsi_device *SDptr)
{
struct esp_device *esp_dev =
kmalloc(sizeof(struct esp_device), GFP_ATOMIC);
return 0;
}
-static void esp_slave_destroy(Scsi_Device *SDptr)
+static void esp_slave_destroy(struct scsi_device *SDptr)
{
struct esp *esp = (struct esp *) SDptr->host->hostdata;
SDptr->hostdata = NULL;
}
-static Scsi_Host_Template driver_template = {
+static struct scsi_host_template driver_template = {
.proc_name = "esp",
.proc_info = esp_proc_info,
.name = "Sun ESP 100/100a/200",
#include "scsi_module.c"
+MODULE_DESCRIPTION("EnhancedScsiProcessor Sun SCSI driver");
+MODULE_AUTHOR("David S. Miller (davem@redhat.com)");
MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);