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path: root/drivers/scsi/dc395x.c
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Diffstat (limited to 'drivers/scsi/dc395x.c')
-rw-r--r--drivers/scsi/dc395x.c1168
1 files changed, 165 insertions, 1003 deletions
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index 5ee7f44cf869..386c8359e1cc 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -61,10 +61,10 @@
#include <asm/io.h>
#include <scsi/scsi.h>
-#include <scsi/scsicam.h> /* needed for scsicam_bios_param */
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_spi.h>
#include "dc395x.h"
@@ -83,65 +83,6 @@
/*#define DC395x_NO_SYNC*/
/*#define DC395x_NO_WIDE*/
-/*---------------------------------------------------------------------------
- Debugging
- ---------------------------------------------------------------------------*/
-/*
- * Types of debugging that can be enabled and disabled
- */
-#define DBG_KG 0x0001
-#define DBG_0 0x0002
-#define DBG_1 0x0004
-#define DBG_SG 0x0020
-#define DBG_FIFO 0x0040
-#define DBG_PIO 0x0080
-
-
-/*
- * Set set of things to output debugging for.
- * Undefine to remove all debugging
- */
-/*#define DEBUG_MASK (DBG_0|DBG_1|DBG_SG|DBG_FIFO|DBG_PIO)*/
-/*#define DEBUG_MASK DBG_0*/
-
-
-/*
- * Output a kernel mesage at the specified level and append the
- * driver name and a ": " to the start of the message
- */
-#define dprintkl(level, format, arg...) \
- printk(level DC395X_NAME ": " format , ## arg)
-
-
-#ifdef DEBUG_MASK
-/*
- * print a debug message - this is formated with KERN_DEBUG, then the
- * driver name followed by a ": " and then the message is output.
- * This also checks that the specified debug level is enabled before
- * outputing the message
- */
-#define dprintkdbg(type, format, arg...) \
- do { \
- if ((type) & (DEBUG_MASK)) \
- dprintkl(KERN_DEBUG , format , ## arg); \
- } while (0)
-
-/*
- * Check if the specified type of debugging is enabled
- */
-#define debug_enabled(type) ((DEBUG_MASK) & (type))
-
-#else
-/*
- * No debugging. Do nothing
- */
-#define dprintkdbg(type, format, arg...) \
- do {} while (0)
-#define debug_enabled(type) (0)
-
-#endif
-
-
#ifndef PCI_VENDOR_ID_TEKRAM
#define PCI_VENDOR_ID_TEKRAM 0x1DE1 /* Vendor ID */
#endif
@@ -160,22 +101,6 @@
#define DC395x_write16(acb,address,value) outw((value), acb->io_port_base + (address))
#define DC395x_write32(acb,address,value) outl((value), acb->io_port_base + (address))
-/* cmd->result */
-#define RES_TARGET 0x000000FF /* Target State */
-#define RES_TARGET_LNX STATUS_MASK /* Only official ... */
-#define RES_ENDMSG 0x0000FF00 /* End Message */
-#define RES_DID 0x00FF0000 /* DID_ codes */
-#define RES_DRV 0xFF000000 /* DRIVER_ codes */
-
-#define MK_RES(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt))
-#define MK_RES_LNX(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt)<<1)
-
-#define SET_RES_TARGET(who,tgt) { who &= ~RES_TARGET; who |= (int)(tgt); }
-#define SET_RES_TARGET_LNX(who,tgt) { who &= ~RES_TARGET_LNX; who |= (int)(tgt) << 1; }
-#define SET_RES_MSG(who,msg) { who &= ~RES_ENDMSG; who |= (int)(msg) << 8; }
-#define SET_RES_DID(who,did) { who &= ~RES_DID; who |= (int)(did) << 16; }
-#define SET_RES_DRV(who,drv) { who &= ~RES_DRV; who |= (int)(drv) << 24; }
-
#define TAG_NONE 255
/*
@@ -395,7 +320,7 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
struct ScsiReqBlk *srb);
static void set_xfer_rate(struct AdapterCtlBlk *acb,
struct DeviceCtlBlk *dcb);
-static void waiting_timeout(unsigned long ptr);
+static void waiting_timeout(struct timer_list *t);
/*---------------------------------------------------------------------------
@@ -448,7 +373,6 @@ static void *dc395x_scsi_phase1[] = {
/* real period:48ns,76ns,100ns,124ns,148ns,176ns,200ns,248ns */
static u8 clock_period[] = { 12, 18, 25, 31, 37, 43, 50, 62 };
-static u16 clock_speed[] = { 200, 133, 100, 80, 67, 58, 50, 40 };
/*---------------------------------------------------------------------------
@@ -580,7 +504,6 @@ static void set_safe_settings(void)
{
int i;
- dprintkl(KERN_INFO, "Using safe settings.\n");
for (i = 0; i < CFG_NUM; i++)
{
cfg_data[i].value = cfg_data[i].safe;
@@ -597,15 +520,6 @@ static void fix_settings(void)
{
int i;
- dprintkdbg(DBG_1,
- "setup: AdapterId=%08x MaxSpeed=%08x DevMode=%08x "
- "AdapterMode=%08x Tags=%08x ResetDelay=%08x\n",
- cfg_data[CFG_ADAPTER_ID].value,
- cfg_data[CFG_MAX_SPEED].value,
- cfg_data[CFG_DEV_MODE].value,
- cfg_data[CFG_ADAPTER_MODE].value,
- cfg_data[CFG_TAGS].value,
- cfg_data[CFG_RESET_DELAY].value);
for (i = 0; i < CFG_NUM; i++)
{
if (cfg_data[i].value < cfg_data[i].min
@@ -753,113 +667,11 @@ static inline struct ScsiReqBlk *find_cmd(struct scsi_cmnd *cmd,
return NULL;
}
-
-static struct ScsiReqBlk *srb_get_free(struct AdapterCtlBlk *acb)
-{
- struct list_head *head = &acb->srb_free_list;
- struct ScsiReqBlk *srb = NULL;
-
- if (!list_empty(head)) {
- srb = list_entry(head->next, struct ScsiReqBlk, list);
- list_del(head->next);
- dprintkdbg(DBG_0, "srb_get_free: srb=%p\n", srb);
- }
- return srb;
-}
-
-
-static void srb_free_insert(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0, "srb_free_insert: srb=%p\n", srb);
- list_add_tail(&srb->list, &acb->srb_free_list);
-}
-
-
-static void srb_waiting_insert(struct DeviceCtlBlk *dcb,
- struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0, "srb_waiting_insert: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
- list_add(&srb->list, &dcb->srb_waiting_list);
-}
-
-
-static void srb_waiting_append(struct DeviceCtlBlk *dcb,
- struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0, "srb_waiting_append: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
- list_add_tail(&srb->list, &dcb->srb_waiting_list);
-}
-
-
-static void srb_going_append(struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0, "srb_going_append: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
- list_add_tail(&srb->list, &dcb->srb_going_list);
-}
-
-
-static void srb_going_remove(struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb)
-{
- struct ScsiReqBlk *i;
- struct ScsiReqBlk *tmp;
- dprintkdbg(DBG_0, "srb_going_remove: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
-
- list_for_each_entry_safe(i, tmp, &dcb->srb_going_list, list)
- if (i == srb) {
- list_del(&srb->list);
- break;
- }
-}
-
-
-static void srb_waiting_remove(struct DeviceCtlBlk *dcb,
- struct ScsiReqBlk *srb)
-{
- struct ScsiReqBlk *i;
- struct ScsiReqBlk *tmp;
- dprintkdbg(DBG_0, "srb_waiting_remove: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
-
- list_for_each_entry_safe(i, tmp, &dcb->srb_waiting_list, list)
- if (i == srb) {
- list_del(&srb->list);
- break;
- }
-}
-
-
-static void srb_going_to_waiting_move(struct DeviceCtlBlk *dcb,
- struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0,
- "srb_going_to_waiting_move: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
- list_move(&srb->list, &dcb->srb_waiting_list);
-}
-
-
-static void srb_waiting_to_going_move(struct DeviceCtlBlk *dcb,
- struct ScsiReqBlk *srb)
-{
- dprintkdbg(DBG_0,
- "srb_waiting_to_going_move: (0x%p) <%02i-%i> srb=%p\n",
- srb->cmd, dcb->target_id, dcb->target_lun, srb);
- list_move(&srb->list, &dcb->srb_going_list);
-}
-
-
/* Sets the timer to wake us up */
static void waiting_set_timer(struct AdapterCtlBlk *acb, unsigned long to)
{
if (timer_pending(&acb->waiting_timer))
return;
- init_timer(&acb->waiting_timer);
- acb->waiting_timer.function = waiting_timeout;
- acb->waiting_timer.data = (unsigned long) acb;
if (time_before(jiffies + to, acb->last_reset - HZ / 2))
acb->waiting_timer.expires =
acb->last_reset - HZ / 2 + 1;
@@ -883,7 +695,7 @@ static void waiting_process_next(struct AdapterCtlBlk *acb)
return;
if (timer_pending(&acb->waiting_timer))
- del_timer(&acb->waiting_timer);
+ timer_delete(&acb->waiting_timer);
if (list_empty(dcb_list_head))
return;
@@ -926,7 +738,7 @@ static void waiting_process_next(struct AdapterCtlBlk *acb)
/* Try to send to the bus */
if (!start_scsi(acb, pos, srb))
- srb_waiting_to_going_move(pos, srb);
+ list_move(&srb->list, &pos->srb_going_list);
else
waiting_set_timer(acb, HZ/50);
break;
@@ -936,12 +748,10 @@ static void waiting_process_next(struct AdapterCtlBlk *acb)
/* Wake up waiting queue */
-static void waiting_timeout(unsigned long ptr)
+static void waiting_timeout(struct timer_list *t)
{
unsigned long flags;
- struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)ptr;
- dprintkdbg(DBG_1,
- "waiting_timeout: Queue woken up by timer. acb=%p\n", acb);
+ struct AdapterCtlBlk *acb = timer_container_of(acb, t, waiting_timer);
DC395x_LOCK_IO(acb->scsi_host, flags);
waiting_process_next(acb);
DC395x_UNLOCK_IO(acb->scsi_host, flags);
@@ -963,15 +773,15 @@ static void send_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
if (dcb->max_command <= list_size(&dcb->srb_going_list) ||
acb->active_dcb ||
(acb->acb_flag & (RESET_DETECT + RESET_DONE + RESET_DEV))) {
- srb_waiting_append(dcb, srb);
+ list_add_tail(&srb->list, &dcb->srb_waiting_list);
waiting_process_next(acb);
return;
}
- if (!start_scsi(acb, dcb, srb))
- srb_going_append(dcb, srb);
- else {
- srb_waiting_insert(dcb, srb);
+ if (!start_scsi(acb, dcb, srb)) {
+ list_add_tail(&srb->list, &dcb->srb_going_list);
+ } else {
+ list_add(&srb->list, &dcb->srb_waiting_list);
waiting_set_timer(acb, HZ / 50);
}
}
@@ -982,8 +792,6 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
{
int nseg;
enum dma_data_direction dir = cmd->sc_data_direction;
- dprintkdbg(DBG_0, "build_srb: (0x%p) <%02i-%i>\n",
- cmd, dcb->target_id, dcb->target_lun);
srb->dcb = dcb;
srb->cmd = cmd;
@@ -1005,12 +813,7 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
nseg = scsi_dma_map(cmd);
BUG_ON(nseg < 0);
- if (dir == PCI_DMA_NONE || !nseg) {
- dprintkdbg(DBG_0,
- "build_srb: [0] len=%d buf=%p use_sg=%d !MAP=%08x\n",
- cmd->bufflen, scsi_sglist(cmd), scsi_sg_count(cmd),
- srb->segment_x[0].address);
- } else {
+ if (!(dir == DMA_NONE || !nseg)) {
int i;
u32 reqlen = scsi_bufflen(cmd);
struct scatterlist *sg;
@@ -1018,11 +821,6 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
srb->sg_count = nseg;
- dprintkdbg(DBG_0,
- "build_srb: [n] len=%d buf=%p use_sg=%d segs=%d\n",
- reqlen, scsi_sglist(cmd), scsi_sg_count(cmd),
- srb->sg_count);
-
scsi_for_each_sg(cmd, sg, srb->sg_count, i) {
u32 busaddr = (u32)sg_dma_address(sg);
u32 seglen = (u32)sg->length;
@@ -1048,13 +846,9 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
sgp->length++;
}
- srb->sg_bus_addr = pci_map_single(dcb->acb->dev,
- srb->segment_x,
- SEGMENTX_LEN,
- PCI_DMA_TODEVICE);
+ srb->sg_bus_addr = dma_map_single(&dcb->acb->dev->dev,
+ srb->segment_x, SEGMENTX_LEN, DMA_TO_DEVICE);
- dprintkdbg(DBG_SG, "build_srb: [n] map sg %p->%08x(%05x)\n",
- srb->segment_x, srb->sg_bus_addr, SEGMENTX_LEN);
}
srb->request_length = srb->total_xfer_length;
@@ -1062,11 +856,10 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
/**
- * dc395x_queue_command - queue scsi command passed from the mid
+ * dc395x_queue_command_lck - queue scsi command passed from the mid
* layer, invoke 'done' on completion
*
* @cmd: pointer to scsi command object
- * @done: function pointer to be invoked on completion
*
* Returns 1 if the adapter (host) is busy, else returns 0. One
* reason for an adapter to be busy is that the number
@@ -1079,68 +872,55 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
* Locks: struct Scsi_Host::host_lock held on entry (with "irqsave")
* and is expected to be held on return.
*
- **/
-static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
+ */
+static int dc395x_queue_command_lck(struct scsi_cmnd *cmd)
{
+ void (*done)(struct scsi_cmnd *) = scsi_done;
struct DeviceCtlBlk *dcb;
struct ScsiReqBlk *srb;
struct AdapterCtlBlk *acb =
(struct AdapterCtlBlk *)cmd->device->host->hostdata;
- dprintkdbg(DBG_0, "queue_command: (0x%p) <%02i-%i> cmnd=0x%02x\n",
- cmd, cmd->device->id, (u8)cmd->device->lun, cmd->cmnd[0]);
/* Assume BAD_TARGET; will be cleared later */
- cmd->result = DID_BAD_TARGET << 16;
+ set_host_byte(cmd, DID_BAD_TARGET);
/* ignore invalid targets */
if (cmd->device->id >= acb->scsi_host->max_id ||
cmd->device->lun >= acb->scsi_host->max_lun ||
- cmd->device->lun >31) {
+ cmd->device->lun > 31)
goto complete;
- }
/* does the specified lun on the specified device exist */
- if (!(acb->dcb_map[cmd->device->id] & (1 << cmd->device->lun))) {
- dprintkl(KERN_INFO, "queue_command: Ignore target <%02i-%i>\n",
- cmd->device->id, (u8)cmd->device->lun);
+ if (!(acb->dcb_map[cmd->device->id] & (1 << cmd->device->lun)))
goto complete;
- }
/* do we have a DCB for the device */
dcb = find_dcb(acb, cmd->device->id, cmd->device->lun);
- if (!dcb) {
- /* should never happen */
- dprintkl(KERN_ERR, "queue_command: No such device <%02i-%i>",
- cmd->device->id, (u8)cmd->device->lun);
+ if (!dcb)
goto complete;
- }
- /* set callback and clear result in the command */
- cmd->scsi_done = done;
- cmd->result = 0;
+ set_host_byte(cmd, DID_OK);
+ set_status_byte(cmd, SAM_STAT_GOOD);
- srb = srb_get_free(acb);
- if (!srb)
- {
- /*
- * Return 1 since we are unable to queue this command at this
- * point in time.
- */
- dprintkdbg(DBG_0, "queue_command: No free srb's\n");
+ srb = list_first_entry_or_null(&acb->srb_free_list,
+ struct ScsiReqBlk, list);
+
+ if (!srb) {
+ /* should never happen */
return 1;
}
+ list_del(&srb->list);
build_srb(cmd, dcb, srb);
if (!list_empty(&dcb->srb_waiting_list)) {
/* append to waiting queue */
- srb_waiting_append(dcb, srb);
+ list_add_tail(&srb->list, &dcb->srb_waiting_list);
waiting_process_next(acb);
} else {
/* process immediately */
send_srb(acb, srb);
}
- dprintkdbg(DBG_1, "queue_command: (0x%p) done\n", cmd);
return 0;
complete:
@@ -1156,114 +936,8 @@ complete:
static DEF_SCSI_QCMD(dc395x_queue_command)
-/*
- * Return the disk geometry for the given SCSI device.
- */
-static int dc395x_bios_param(struct scsi_device *sdev,
- struct block_device *bdev, sector_t capacity, int *info)
-{
-#ifdef CONFIG_SCSI_DC395x_TRMS1040_TRADMAP
- int heads, sectors, cylinders;
- struct AdapterCtlBlk *acb;
- int size = capacity;
-
- dprintkdbg(DBG_0, "dc395x_bios_param..............\n");
- acb = (struct AdapterCtlBlk *)sdev->host->hostdata;
- heads = 64;
- sectors = 32;
- cylinders = size / (heads * sectors);
-
- if ((acb->gmode2 & NAC_GREATER_1G) && (cylinders > 1024)) {
- heads = 255;
- sectors = 63;
- cylinders = size / (heads * sectors);
- }
- geom[0] = heads;
- geom[1] = sectors;
- geom[2] = cylinders;
- return 0;
-#else
- return scsicam_bios_param(bdev, capacity, info);
-#endif
-}
-
-
-static void dump_register_info(struct AdapterCtlBlk *acb,
- struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb)
-{
- u16 pstat;
- struct pci_dev *dev = acb->dev;
- pci_read_config_word(dev, PCI_STATUS, &pstat);
- if (!dcb)
- dcb = acb->active_dcb;
- if (!srb && dcb)
- srb = dcb->active_srb;
- if (srb) {
- if (!srb->cmd)
- dprintkl(KERN_INFO, "dump: srb=%p cmd=%p OOOPS!\n",
- srb, srb->cmd);
- else
- dprintkl(KERN_INFO, "dump: srb=%p cmd=%p "
- "cmnd=0x%02x <%02i-%i>\n",
- srb, srb->cmd,
- srb->cmd->cmnd[0], srb->cmd->device->id,
- (u8)srb->cmd->device->lun);
- printk(" sglist=%p cnt=%i idx=%i len=%zu\n",
- srb->segment_x, srb->sg_count, srb->sg_index,
- srb->total_xfer_length);
- printk(" state=0x%04x status=0x%02x phase=0x%02x (%sconn.)\n",
- srb->state, srb->status, srb->scsi_phase,
- (acb->active_dcb) ? "" : "not");
- }
- dprintkl(KERN_INFO, "dump: SCSI{status=0x%04x fifocnt=0x%02x "
- "signals=0x%02x irqstat=0x%02x sync=0x%02x target=0x%02x "
- "rselid=0x%02x ctr=0x%08x irqen=0x%02x config=0x%04x "
- "config2=0x%02x cmd=0x%02x selto=0x%02x}\n",
- DC395x_read16(acb, TRM_S1040_SCSI_STATUS),
- DC395x_read8(acb, TRM_S1040_SCSI_FIFOCNT),
- DC395x_read8(acb, TRM_S1040_SCSI_SIGNAL),
- DC395x_read8(acb, TRM_S1040_SCSI_INTSTATUS),
- DC395x_read8(acb, TRM_S1040_SCSI_SYNC),
- DC395x_read8(acb, TRM_S1040_SCSI_TARGETID),
- DC395x_read8(acb, TRM_S1040_SCSI_IDMSG),
- DC395x_read32(acb, TRM_S1040_SCSI_COUNTER),
- DC395x_read8(acb, TRM_S1040_SCSI_INTEN),
- DC395x_read16(acb, TRM_S1040_SCSI_CONFIG0),
- DC395x_read8(acb, TRM_S1040_SCSI_CONFIG2),
- DC395x_read8(acb, TRM_S1040_SCSI_COMMAND),
- DC395x_read8(acb, TRM_S1040_SCSI_TIMEOUT));
- dprintkl(KERN_INFO, "dump: DMA{cmd=0x%04x fifocnt=0x%02x fstat=0x%02x "
- "irqstat=0x%02x irqen=0x%02x cfg=0x%04x tctr=0x%08x "
- "ctctr=0x%08x addr=0x%08x:0x%08x}\n",
- DC395x_read16(acb, TRM_S1040_DMA_COMMAND),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOCNT),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT),
- DC395x_read8(acb, TRM_S1040_DMA_STATUS),
- DC395x_read8(acb, TRM_S1040_DMA_INTEN),
- DC395x_read16(acb, TRM_S1040_DMA_CONFIG),
- DC395x_read32(acb, TRM_S1040_DMA_XCNT),
- DC395x_read32(acb, TRM_S1040_DMA_CXCNT),
- DC395x_read32(acb, TRM_S1040_DMA_XHIGHADDR),
- DC395x_read32(acb, TRM_S1040_DMA_XLOWADDR));
- dprintkl(KERN_INFO, "dump: gen{gctrl=0x%02x gstat=0x%02x gtmr=0x%02x} "
- "pci{status=0x%04x}\n",
- DC395x_read8(acb, TRM_S1040_GEN_CONTROL),
- DC395x_read8(acb, TRM_S1040_GEN_STATUS),
- DC395x_read8(acb, TRM_S1040_GEN_TIMER),
- pstat);
-}
-
-
static inline void clear_fifo(struct AdapterCtlBlk *acb, char *txt)
{
-#if debug_enabled(DBG_FIFO)
- u8 lines = DC395x_read8(acb, TRM_S1040_SCSI_SIGNAL);
- u8 fifocnt = DC395x_read8(acb, TRM_S1040_SCSI_FIFOCNT);
- if (!(fifocnt & 0x40))
- dprintkdbg(DBG_FIFO,
- "clear_fifo: (%i bytes) on phase %02x in %s\n",
- fifocnt & 0x3f, lines, txt);
-#endif
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_CLRFIFO);
}
@@ -1272,7 +946,6 @@ static void reset_dev_param(struct AdapterCtlBlk *acb)
{
struct DeviceCtlBlk *dcb;
struct NvRamType *eeprom = &acb->eeprom;
- dprintkdbg(DBG_0, "reset_dev_param: acb=%p\n", acb);
list_for_each_entry(dcb, &acb->dcb_list, list) {
u8 period_index;
@@ -1300,12 +973,9 @@ static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd)
{
struct AdapterCtlBlk *acb =
(struct AdapterCtlBlk *)cmd->device->host->hostdata;
- dprintkl(KERN_INFO,
- "eh_bus_reset: (0%p) target=<%02i-%i> cmd=%p\n",
- cmd, cmd->device->id, (u8)cmd->device->lun, cmd);
if (timer_pending(&acb->waiting_timer))
- del_timer(&acb->waiting_timer);
+ timer_delete(&acb->waiting_timer);
/*
* disable interrupt
@@ -1368,32 +1038,24 @@ static int dc395x_eh_abort(struct scsi_cmnd *cmd)
(struct AdapterCtlBlk *)cmd->device->host->hostdata;
struct DeviceCtlBlk *dcb;
struct ScsiReqBlk *srb;
- dprintkl(KERN_INFO, "eh_abort: (0x%p) target=<%02i-%i> cmd=%p\n",
- cmd, cmd->device->id, (u8)cmd->device->lun, cmd);
dcb = find_dcb(acb, cmd->device->id, cmd->device->lun);
- if (!dcb) {
- dprintkl(KERN_DEBUG, "eh_abort: No such device\n");
+ if (!dcb)
return FAILED;
- }
srb = find_cmd(cmd, &dcb->srb_waiting_list);
if (srb) {
- srb_waiting_remove(dcb, srb);
+ list_del(&srb->list);
pci_unmap_srb_sense(acb, srb);
pci_unmap_srb(acb, srb);
free_tag(dcb, srb);
- srb_free_insert(acb, srb);
- dprintkl(KERN_DEBUG, "eh_abort: Command was waiting\n");
- cmd->result = DID_ABORT << 16;
+ list_add_tail(&srb->list, &acb->srb_free_list);
+ set_host_byte(cmd, DID_ABORT);
return SUCCESS;
}
srb = find_cmd(cmd, &dcb->srb_going_list);
if (srb) {
- dprintkl(KERN_DEBUG, "eh_abort: Command in progress\n");
/* XXX: Should abort the command here */
- } else {
- dprintkl(KERN_DEBUG, "eh_abort: Command not found\n");
}
return FAILED;
}
@@ -1405,10 +1067,6 @@ static void build_sdtr(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
{
u8 *ptr = srb->msgout_buf + srb->msg_count;
if (srb->msg_count > 1) {
- dprintkl(KERN_INFO,
- "build_sdtr: msgout_buf BUSY (%i: %02x %02x)\n",
- srb->msg_count, srb->msgout_buf[0],
- srb->msgout_buf[1]);
return;
}
if (!(dcb->dev_mode & NTC_DO_SYNC_NEGO)) {
@@ -1417,12 +1075,8 @@ static void build_sdtr(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
} else if (dcb->sync_offset == 0)
dcb->sync_offset = SYNC_NEGO_OFFSET;
- *ptr++ = MSG_EXTENDED; /* (01h) */
- *ptr++ = 3; /* length */
- *ptr++ = EXTENDED_SDTR; /* (01h) */
- *ptr++ = dcb->min_nego_period; /* Transfer period (in 4ns) */
- *ptr++ = dcb->sync_offset; /* Transfer period (max. REQ/ACK dist) */
- srb->msg_count += 5;
+ srb->msg_count += spi_populate_sync_msg(ptr, dcb->min_nego_period,
+ dcb->sync_offset);
srb->state |= SRB_DO_SYNC_NEGO;
}
@@ -1434,18 +1088,10 @@ static void build_wdtr(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
u8 wide = ((dcb->dev_mode & NTC_DO_WIDE_NEGO) &
(acb->config & HCC_WIDE_CARD)) ? 1 : 0;
u8 *ptr = srb->msgout_buf + srb->msg_count;
- if (srb->msg_count > 1) {
- dprintkl(KERN_INFO,
- "build_wdtr: msgout_buf BUSY (%i: %02x %02x)\n",
- srb->msg_count, srb->msgout_buf[0],
- srb->msgout_buf[1]);
+ if (srb->msg_count > 1)
return;
- }
- *ptr++ = MSG_EXTENDED; /* (01h) */
- *ptr++ = 2; /* length */
- *ptr++ = EXTENDED_WDTR; /* (03h) */
- *ptr++ = wide;
- srb->msg_count += 4;
+
+ srb->msg_count += spi_populate_width_msg(ptr, wide);
srb->state |= SRB_DO_WIDE_NEGO;
}
@@ -1476,11 +1122,9 @@ void selection_timeout_missed(unsigned long ptr)
unsigned long flags;
struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)ptr;
struct ScsiReqBlk *srb;
- dprintkl(KERN_DEBUG, "Chip forgot to produce SelTO IRQ!\n");
- if (!acb->active_dcb || !acb->active_dcb->active_srb) {
- dprintkl(KERN_DEBUG, "... but no cmd pending? Oops!\n");
+ if (!acb->active_dcb || !acb->active_dcb->active_srb)
return;
- }
+
DC395x_LOCK_IO(acb->scsi_host, flags);
srb = acb->active_dcb->active_srb;
disconnect(acb);
@@ -1492,11 +1136,9 @@ void selection_timeout_missed(unsigned long ptr)
static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
struct ScsiReqBlk* srb)
{
- u16 s_stat2, return_code;
+ u16 __maybe_unused s_stat2, return_code;
u8 s_stat, scsicommand, i, identify_message;
u8 *ptr;
- dprintkdbg(DBG_0, "start_scsi: (0x%p) <%02i-%i> srb=%p\n",
- dcb->target_id, dcb->target_lun, srb);
srb->tag_number = TAG_NONE; /* acb->tag_max_num: had error read in eeprom */
@@ -1505,8 +1147,6 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
s_stat2 = DC395x_read16(acb, TRM_S1040_SCSI_STATUS);
#if 1
if (s_stat & 0x20 /* s_stat2 & 0x02000 */ ) {
- dprintkdbg(DBG_KG, "start_scsi: (0x%p) BUSY %02x %04x\n",
- s_stat, s_stat2);
/*
* Try anyway?
*
@@ -1521,24 +1161,16 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
return 1;
}
#endif
- if (acb->active_dcb) {
- dprintkl(KERN_DEBUG, "start_scsi: (0x%p) Attempt to start a"
- "command while another command (0x%p) is active.",
- srb->cmd,
- acb->active_dcb->active_srb ?
- acb->active_dcb->active_srb->cmd : 0);
+ if (acb->active_dcb)
return 1;
- }
- if (DC395x_read16(acb, TRM_S1040_SCSI_STATUS) & SCSIINTERRUPT) {
- dprintkdbg(DBG_KG, "start_scsi: (0x%p) Failed (busy)\n", srb->cmd);
+
+ if (DC395x_read16(acb, TRM_S1040_SCSI_STATUS) & SCSIINTERRUPT)
return 1;
- }
+
/* Allow starting of SCSI commands half a second before we allow the mid-level
* to queue them again after a reset */
- if (time_before(jiffies, acb->last_reset - HZ / 2)) {
- dprintkdbg(DBG_KG, "start_scsi: Refuse cmds (reset wait)\n");
+ if (time_before(jiffies, acb->last_reset - HZ / 2))
return 1;
- }
/* Flush FIFO */
clear_fifo(acb, "start_scsi");
@@ -1602,17 +1234,13 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
tag_number++;
}
if (tag_number >= dcb->max_command) {
- dprintkl(KERN_WARNING, "start_scsi: (0x%p) "
- "Out of tags target=<%02i-%i>)\n",
- srb->cmd, srb->cmd->device->id,
- (u8)srb->cmd->device->lun);
srb->state = SRB_READY;
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL,
DO_HWRESELECT);
return 1;
}
/* Send Tag id */
- DC395x_write8(acb, TRM_S1040_SCSI_FIFO, MSG_SIMPLE_QTAG);
+ DC395x_write8(acb, TRM_S1040_SCSI_FIFO, SIMPLE_QUEUE_TAG);
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, tag_number);
dcb->tag_mask |= tag_mask;
srb->tag_number = tag_number;
@@ -1622,9 +1250,6 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
#endif
/*polling:*/
/* Send CDB ..command block ......... */
- dprintkdbg(DBG_KG, "start_scsi: (0x%p) <%02i-%i> cmnd=0x%02x tag=%i\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun,
- srb->cmd->cmnd[0], srb->tag_number);
if (srb->flag & AUTO_REQSENSE) {
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, REQUEST_SENSE);
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, (dcb->target_lun << 5));
@@ -1646,8 +1271,6 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
* we caught an interrupt (must be reset or reselection ... )
* : Let's process it first!
*/
- dprintkdbg(DBG_0, "start_scsi: (0x%p) <%02i-%i> Failed - busy\n",
- srb->cmd, dcb->target_id, dcb->target_lun);
srb->state = SRB_READY;
free_tag(dcb, srb);
srb->msg_count = 0;
@@ -1711,17 +1334,9 @@ static void dc395x_handle_interrupt(struct AdapterCtlBlk *acb,
/* This acknowledges the IRQ */
scsi_intstatus = DC395x_read8(acb, TRM_S1040_SCSI_INTSTATUS);
- if ((scsi_status & 0x2007) == 0x2002)
- dprintkl(KERN_DEBUG,
- "COP after COP completed? %04x\n", scsi_status);
- if (debug_enabled(DBG_KG)) {
- if (scsi_intstatus & INT_SELTIMEOUT)
- dprintkdbg(DBG_KG, "handle_interrupt: Selection timeout\n");
- }
- /*dprintkl(KERN_DEBUG, "handle_interrupt: intstatus = 0x%02x ", scsi_intstatus); */
if (timer_pending(&acb->selto_timer))
- del_timer(&acb->selto_timer);
+ timer_delete(&acb->selto_timer);
if (scsi_intstatus & (INT_SELTIMEOUT | INT_DISCONNECT)) {
disconnect(acb); /* bus free interrupt */
@@ -1731,27 +1346,21 @@ static void dc395x_handle_interrupt(struct AdapterCtlBlk *acb,
reselect(acb);
goto out_unlock;
}
- if (scsi_intstatus & INT_SELECT) {
- dprintkl(KERN_INFO, "Host does not support target mode!\n");
+ if (scsi_intstatus & INT_SELECT)
goto out_unlock;
- }
+
if (scsi_intstatus & INT_SCSIRESET) {
scsi_reset_detect(acb);
goto out_unlock;
}
if (scsi_intstatus & (INT_BUSSERVICE | INT_CMDDONE)) {
dcb = acb->active_dcb;
- if (!dcb) {
- dprintkl(KERN_DEBUG,
- "Oops: BusService (%04x %02x) w/o ActiveDCB!\n",
- scsi_status, scsi_intstatus);
+ if (!dcb)
goto out_unlock;
- }
+
srb = dcb->active_srb;
- if (dcb->flag & ABORT_DEV_) {
- dprintkdbg(DBG_0, "MsgOut Abort Device.....\n");
+ if (dcb->flag & ABORT_DEV_)
enable_msgout_abort(acb, srb);
- }
/* software sequential machine */
phase = (u16)srb->scsi_phase;
@@ -1819,9 +1428,7 @@ static irqreturn_t dc395x_interrupt(int irq, void *dev_id)
}
else if (dma_status & 0x20) {
/* Error from the DMA engine */
- dprintkl(KERN_INFO, "Interrupt from DMA engine: 0x%02x!\n", dma_status);
#if 0
- dprintkl(KERN_INFO, "This means DMA error! Try to handle ...\n");
if (acb->active_dcb) {
acb->active_dcb-> flag |= ABORT_DEV_;
if (acb->active_dcb->active_srb)
@@ -1829,7 +1436,6 @@ static irqreturn_t dc395x_interrupt(int irq, void *dev_id)
}
DC395x_write8(acb, TRM_S1040_DMA_CONTROL, ABORTXFER | CLRXFIFO);
#else
- dprintkl(KERN_INFO, "Ignoring DMA error (probably a bad thing) ...\n");
acb = NULL;
#endif
handled = IRQ_HANDLED;
@@ -1842,7 +1448,6 @@ static irqreturn_t dc395x_interrupt(int irq, void *dev_id)
static void msgout_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "msgout_phase0: (0x%p)\n", srb->cmd);
if (srb->state & (SRB_UNEXPECT_RESEL + SRB_ABORT_SENT))
*pscsi_status = PH_BUS_FREE; /*.. initial phase */
@@ -1856,20 +1461,15 @@ static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
{
u16 i;
u8 *ptr;
- dprintkdbg(DBG_0, "msgout_phase1: (0x%p)\n", srb->cmd);
clear_fifo(acb, "msgout_phase1");
- if (!(srb->state & SRB_MSGOUT)) {
+ if (!(srb->state & SRB_MSGOUT))
srb->state |= SRB_MSGOUT;
- dprintkl(KERN_DEBUG,
- "msgout_phase1: (0x%p) Phase unexpected\n",
- srb->cmd); /* So what ? */
- }
+
if (!srb->msg_count) {
- dprintkdbg(DBG_0, "msgout_phase1: (0x%p) NOP msg\n",
- srb->cmd);
- DC395x_write8(acb, TRM_S1040_SCSI_FIFO, MSG_NOP);
- DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH); /* it's important for atn stop */
+ DC395x_write8(acb, TRM_S1040_SCSI_FIFO, NOP);
+ DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH);
+ /* it's important for atn stop */
DC395x_write8(acb, TRM_S1040_SCSI_COMMAND, SCMD_FIFO_OUT);
return;
}
@@ -1877,7 +1477,7 @@ static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
for (i = 0; i < srb->msg_count; i++)
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, *ptr++);
srb->msg_count = 0;
- if (srb->msgout_buf[0] == MSG_ABORT)
+ if (srb->msgout_buf[0] == ABORT_TASK_SET)
srb->state = SRB_ABORT_SENT;
DC395x_write8(acb, TRM_S1040_SCSI_COMMAND, SCMD_FIFO_OUT);
@@ -1887,7 +1487,6 @@ static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
static void command_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "command_phase0: (0x%p)\n", srb->cmd);
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH);
}
@@ -1898,7 +1497,6 @@ static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
struct DeviceCtlBlk *dcb;
u8 *ptr;
u16 i;
- dprintkdbg(DBG_0, "command_phase1: (0x%p)\n", srb->cmd);
clear_fifo(acb, "command_phase1");
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_CLRATN);
@@ -1927,26 +1525,6 @@ static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
/*
- * Verify that the remaining space in the hw sg lists is the same as
- * the count of remaining bytes in srb->total_xfer_length
- */
-static void sg_verify_length(struct ScsiReqBlk *srb)
-{
- if (debug_enabled(DBG_SG)) {
- unsigned len = 0;
- unsigned idx = srb->sg_index;
- struct SGentry *psge = srb->segment_x + idx;
- for (; idx < srb->sg_count; psge++, idx++)
- len += psge->length;
- if (len != srb->total_xfer_length)
- dprintkdbg(DBG_SG,
- "Inconsistent SRB S/G lengths (Tot=%i, Count=%i) !!\n",
- srb->total_xfer_length, len);
- }
-}
-
-
-/*
* Compute the next Scatter Gather list index and adjust its length
* and address if necessary
*/
@@ -1956,15 +1534,11 @@ static void sg_update_list(struct ScsiReqBlk *srb, u32 left)
u32 xferred = srb->total_xfer_length - left; /* bytes transferred */
struct SGentry *psge = srb->segment_x + srb->sg_index;
- dprintkdbg(DBG_0,
- "sg_update_list: Transferred %i of %i bytes, %i remain\n",
- xferred, srb->total_xfer_length, left);
if (xferred == 0) {
/* nothing to update since we did not transfer any data */
return;
}
- sg_verify_length(srb);
srb->total_xfer_length = left; /* update remaining count */
for (idx = srb->sg_index; idx < srb->sg_count; idx++) {
if (xferred >= psge->length) {
@@ -1972,19 +1546,19 @@ static void sg_update_list(struct ScsiReqBlk *srb, u32 left)
xferred -= psge->length;
} else {
/* Partial SG entry done */
+ dma_sync_single_for_cpu(&srb->dcb->acb->dev->dev,
+ srb->sg_bus_addr, SEGMENTX_LEN,
+ DMA_TO_DEVICE);
psge->length -= xferred;
psge->address += xferred;
srb->sg_index = idx;
- pci_dma_sync_single_for_device(srb->dcb->
- acb->dev,
- srb->sg_bus_addr,
- SEGMENTX_LEN,
- PCI_DMA_TODEVICE);
+ dma_sync_single_for_device(&srb->dcb->acb->dev->dev,
+ srb->sg_bus_addr, SEGMENTX_LEN,
+ DMA_TO_DEVICE);
break;
}
psge++;
}
- sg_verify_length(srb);
}
@@ -2040,8 +1614,6 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
struct DeviceCtlBlk *dcb = srb->dcb;
u16 scsi_status = *pscsi_status;
u32 d_left_counter = 0;
- dprintkdbg(DBG_0, "data_out_phase0: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
/*
* KG: We need to drain the buffers before we draw any conclusions!
@@ -2055,14 +1627,6 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
* KG: Stop DMA engine pushing more data into the SCSI FIFO
* If we need more data, the DMA SG list will be freshly set up, anyway
*/
- dprintkdbg(DBG_PIO, "data_out_phase0: "
- "DMA{fifocnt=0x%02x fifostat=0x%02x} "
- "SCSI{fifocnt=0x%02x cnt=0x%06x status=0x%04x} total=0x%06x\n",
- DC395x_read8(acb, TRM_S1040_DMA_FIFOCNT),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT),
- DC395x_read8(acb, TRM_S1040_SCSI_FIFOCNT),
- DC395x_read32(acb, TRM_S1040_SCSI_COUNTER), scsi_status,
- srb->total_xfer_length);
DC395x_write8(acb, TRM_S1040_DMA_CONTROL, STOPDMAXFER | CLRXFIFO);
if (!(srb->state & SRB_XFERPAD)) {
@@ -2086,16 +1650,6 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
if (dcb->sync_period & WIDE_SYNC)
d_left_counter <<= 1;
- dprintkdbg(DBG_KG, "data_out_phase0: FIFO contains %i %s\n"
- "SCSI{fifocnt=0x%02x cnt=0x%08x} "
- "DMA{fifocnt=0x%04x cnt=0x%02x ctr=0x%08x}\n",
- DC395x_read8(acb, TRM_S1040_SCSI_FIFOCNT),
- (dcb->sync_period & WIDE_SYNC) ? "words" : "bytes",
- DC395x_read8(acb, TRM_S1040_SCSI_FIFOCNT),
- DC395x_read32(acb, TRM_S1040_SCSI_COUNTER),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOCNT),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT),
- DC395x_read32(acb, TRM_S1040_DMA_CXCNT));
}
/*
* calculate all the residue data that not yet tranfered
@@ -2116,9 +1670,6 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
if (d_left_counter == 1 && dcb->sync_period & WIDE_SYNC
&& scsi_bufflen(srb->cmd) % 2) {
d_left_counter = 0;
- dprintkl(KERN_INFO,
- "data_out_phase0: Discard 1 byte (0x%02x)\n",
- scsi_status);
}
/*
* KG: Oops again. Same thinko as above: The SCSI might have been
@@ -2149,8 +1700,6 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
|| ((oldxferred & ~PAGE_MASK) ==
(PAGE_SIZE - diff))
) {
- dprintkl(KERN_INFO, "data_out_phase0: "
- "Work around chip bug (%i)?\n", diff);
d_left_counter =
srb->total_xfer_length - diff;
sg_update_list(srb, d_left_counter);
@@ -2161,17 +1710,14 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
}
}
}
- if ((*pscsi_status & PHASEMASK) != PH_DATA_OUT) {
+ if ((*pscsi_status & PHASEMASK) != PH_DATA_OUT)
cleanup_after_transfer(acb, srb);
- }
}
static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "data_out_phase1: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
clear_fifo(acb, "data_out_phase1");
/* do prepare before transfer when data out phase */
data_io_transfer(acb, srb, XFERDATAOUT);
@@ -2182,8 +1728,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
{
u16 scsi_status = *pscsi_status;
- dprintkdbg(DBG_0, "data_in_phase0: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
/*
* KG: DataIn is much more tricky than DataOut. When the device is finished
@@ -2203,8 +1747,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
unsigned int sc, fc;
if (scsi_status & PARITYERROR) {
- dprintkl(KERN_INFO, "data_in_phase0: (0x%p) "
- "Parity Error\n", srb->cmd);
srb->status |= PARITY_ERROR;
}
/*
@@ -2216,26 +1758,14 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
if (!(DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT) & 0x80)) {
#if 0
int ctr = 6000000;
- dprintkl(KERN_DEBUG,
- "DIP0: Wait for DMA FIFO to flush ...\n");
/*DC395x_write8 (TRM_S1040_DMA_CONTROL, STOPDMAXFER); */
/*DC395x_write32 (TRM_S1040_SCSI_COUNTER, 7); */
/*DC395x_write8 (TRM_S1040_SCSI_COMMAND, SCMD_DMA_IN); */
while (!
(DC395x_read16(acb, TRM_S1040_DMA_FIFOSTAT) &
0x80) && --ctr);
- if (ctr < 6000000 - 1)
- dprintkl(KERN_DEBUG
- "DIP0: Had to wait for DMA ...\n");
- if (!ctr)
- dprintkl(KERN_ERR,
- "Deadlock in DIP0 waiting for DMA FIFO empty!!\n");
/*DC395x_write32 (TRM_S1040_SCSI_COUNTER, 0); */
#endif
- dprintkdbg(DBG_KG, "data_in_phase0: "
- "DMA{fifocnt=0x%02x fifostat=0x%02x}\n",
- DC395x_read8(acb, TRM_S1040_DMA_FIFOCNT),
- DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT));
}
/* Now: Check remainig data: The SCSI counters should tell us ... */
sc = DC395x_read32(acb, TRM_S1040_SCSI_COUNTER);
@@ -2243,17 +1773,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
d_left_counter = sc + ((fc & 0x1f)
<< ((srb->dcb->sync_period & WIDE_SYNC) ? 1 :
0));
- dprintkdbg(DBG_KG, "data_in_phase0: "
- "SCSI{fifocnt=0x%02x%s ctr=0x%08x} "
- "DMA{fifocnt=0x%02x fifostat=0x%02x ctr=0x%08x} "
- "Remain{totxfer=%i scsi_fifo+ctr=%i}\n",
- fc,
- (srb->dcb->sync_period & WIDE_SYNC) ? "words" : "bytes",
- sc,
- fc,
- DC395x_read8(acb, TRM_S1040_DMA_FIFOSTAT),
- DC395x_read32(acb, TRM_S1040_DMA_CXCNT),
- srb->total_xfer_length, d_left_counter);
#if DC395x_LASTPIO
/* KG: Less than or equal to 4 bytes can not be transferred via DMA, it seems. */
if (d_left_counter
@@ -2262,12 +1781,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
/*u32 addr = (srb->segment_x[srb->sg_index].address); */
/*sg_update_list (srb, d_left_counter); */
- dprintkdbg(DBG_PIO, "data_in_phase0: PIO (%i %s) "
- "for remaining %i bytes:",
- fc & 0x1f,
- (srb->dcb->sync_period & WIDE_SYNC) ?
- "words" : "bytes",
- srb->total_xfer_length);
if (srb->dcb->sync_period & WIDE_SYNC)
DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2,
CFG2_WIDEFIFO);
@@ -2291,9 +1804,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
byte = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
*virt++ = byte;
- if (debug_enabled(DBG_PIO))
- printk(" %02x", byte);
-
d_left_counter--;
sg_subtract_one(srb);
@@ -2316,8 +1826,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
*virt++ = byte;
srb->total_xfer_length--;
- if (debug_enabled(DBG_PIO))
- printk(" %02x", byte);
}
DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2, 0);
@@ -2326,10 +1834,7 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
scsi_kunmap_atomic_sg(base);
local_irq_restore(flags);
}
- /*printk(" %08x", *(u32*)(bus_to_virt (addr))); */
/*srb->total_xfer_length = 0; */
- if (debug_enabled(DBG_PIO))
- printk("\n");
}
#endif /* DC395x_LASTPIO */
@@ -2365,9 +1870,6 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
TempDMAstatus =
DC395x_read8(acb, TRM_S1040_DMA_STATUS);
} while (!(TempDMAstatus & DMAXFERCOMP) && --ctr);
- if (!ctr)
- dprintkl(KERN_ERR,
- "Deadlock in DataInPhase0 waiting for DMA!!\n");
srb->total_xfer_length = 0;
#endif
srb->total_xfer_length = d_left_counter;
@@ -2384,17 +1886,14 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
}
}
/* KG: The target may decide to disconnect: Empty FIFO before! */
- if ((*pscsi_status & PHASEMASK) != PH_DATA_IN) {
+ if ((*pscsi_status & PHASEMASK) != PH_DATA_IN)
cleanup_after_transfer(acb, srb);
- }
}
static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "data_in_phase1: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
data_io_transfer(acb, srb, XFERDATAIN);
}
@@ -2404,13 +1903,7 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
{
struct DeviceCtlBlk *dcb = srb->dcb;
u8 bval;
- dprintkdbg(DBG_0,
- "data_io_transfer: (0x%p) <%02i-%i> %c len=%i, sg=(%i/%i)\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun,
- ((io_dir & DMACMD_DIR) ? 'r' : 'w'),
- srb->total_xfer_length, srb->sg_index, srb->sg_count);
- if (srb == acb->tmp_srb)
- dprintkl(KERN_ERR, "data_io_transfer: Using tmp_srb!\n");
+
if (srb->sg_index >= srb->sg_count) {
/* can't happen? out of bounds error */
return;
@@ -2423,9 +1916,6 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
* Maybe, even ABORTXFER would be appropriate
*/
if (dma_status & XFERPENDING) {
- dprintkl(KERN_DEBUG, "data_io_transfer: Xfer pending! "
- "Expect trouble!\n");
- dump_register_info(acb, dcb, srb);
DC395x_write8(acb, TRM_S1040_DMA_CONTROL, CLRXFIFO);
}
/* clear_fifo(acb, "IO"); */
@@ -2504,9 +1994,6 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
left_io -= len;
while (len--) {
- if (debug_enabled(DBG_PIO))
- printk(" %02x", *virt);
-
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, *virt++);
sg_subtract_one(srb);
@@ -2518,21 +2005,16 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
if (srb->dcb->sync_period & WIDE_SYNC) {
if (ln % 2) {
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0);
- if (debug_enabled(DBG_PIO))
- printk(" |00");
}
DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2, 0);
}
/*DC395x_write32(acb, TRM_S1040_SCSI_COUNTER, ln); */
- if (debug_enabled(DBG_PIO))
- printk("\n");
DC395x_write8(acb, TRM_S1040_SCSI_COMMAND,
SCMD_FIFO_OUT);
}
}
#endif /* DC395x_LASTPIO */
else { /* xfer pad */
- u8 data = 0, data2 = 0;
if (srb->sg_count) {
srb->adapter_status = H_OVER_UNDER_RUN;
srb->status |= OVER_RUN;
@@ -2547,8 +2029,8 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2,
CFG2_WIDEFIFO);
if (io_dir & DMACMD_DIR) {
- data = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
- data2 = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
+ DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
+ DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
} else {
/* Danger, Robinson: If you find KGs
* scattered over the wide disk, the driver
@@ -2562,7 +2044,7 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
/* Danger, Robinson: If you find a collection of Ks on your disk
* something broke :-( */
if (io_dir & DMACMD_DIR)
- data = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
+ DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
else
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 'K');
}
@@ -2578,8 +2060,6 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "status_phase0: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
srb->target_status = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
srb->end_message = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); /* get message */
srb->state = SRB_COMPLETED;
@@ -2592,8 +2072,6 @@ static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "status_phase1: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
srb->state = SRB_STATUS;
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH); /* it's important for atn stop */
DC395x_write8(acb, TRM_S1040_SCSI_COMMAND, SCMD_COMP);
@@ -2623,9 +2101,6 @@ static inline void msgin_reject(struct AdapterCtlBlk *acb,
DC395x_ENABLE_MSGOUT;
srb->state &= ~SRB_MSGIN;
srb->state |= SRB_MSGOUT;
- dprintkl(KERN_INFO, "msgin_reject: 0x%02x <%02i-%i>\n",
- srb->msgin_buf[0],
- srb->dcb->target_id, srb->dcb->target_lun);
}
@@ -2634,13 +2109,6 @@ static struct ScsiReqBlk *msgin_qtag(struct AdapterCtlBlk *acb,
{
struct ScsiReqBlk *srb = NULL;
struct ScsiReqBlk *i;
- dprintkdbg(DBG_0, "msgin_qtag: (0x%p) tag=%i srb=%p\n",
- srb->cmd, tag, srb);
-
- if (!(dcb->tag_mask & (1 << tag)))
- dprintkl(KERN_DEBUG,
- "msgin_qtag: tag_mask=0x%08x does not reserve tag %i!\n",
- dcb->tag_mask, tag);
if (list_empty(&dcb->srb_going_list))
goto mingx0;
@@ -2653,8 +2121,6 @@ static struct ScsiReqBlk *msgin_qtag(struct AdapterCtlBlk *acb,
if (!srb)
goto mingx0;
- dprintkdbg(DBG_0, "msgin_qtag: (0x%p) <%02i-%i>\n",
- srb->cmd, srb->dcb->target_id, srb->dcb->target_lun);
if (dcb->flag & ABORT_DEV_) {
/*srb->state = SRB_ABORT_SENT; */
enable_msgout_abort(acb, srb);
@@ -2674,10 +2140,9 @@ static struct ScsiReqBlk *msgin_qtag(struct AdapterCtlBlk *acb,
srb = acb->tmp_srb;
srb->state = SRB_UNEXPECT_RESEL;
dcb->active_srb = srb;
- srb->msgout_buf[0] = MSG_ABORT_TAG;
+ srb->msgout_buf[0] = ABORT_TASK;
srb->msg_count = 1;
DC395x_ENABLE_MSGOUT;
- dprintkl(KERN_DEBUG, "msgin_qtag: Unknown tag %i - abort\n", tag);
return srb;
}
@@ -2696,8 +2161,6 @@ static inline void reprogram_regs(struct AdapterCtlBlk *acb,
static void msgin_set_async(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
{
struct DeviceCtlBlk *dcb = srb->dcb;
- dprintkl(KERN_DEBUG, "msgin_set_async: No sync transfers <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
dcb->sync_mode &= ~(SYNC_NEGO_ENABLE);
dcb->sync_mode |= SYNC_NEGO_DONE;
@@ -2710,7 +2173,6 @@ static void msgin_set_async(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
&& !(dcb->sync_mode & WIDE_NEGO_DONE)) {
build_wdtr(acb, dcb, srb);
DC395x_ENABLE_MSGOUT;
- dprintkdbg(DBG_0, "msgin_set_async(rej): Try WDTR anyway\n");
}
}
@@ -2721,12 +2183,6 @@ static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
struct DeviceCtlBlk *dcb = srb->dcb;
u8 bval;
int fact;
- dprintkdbg(DBG_1, "msgin_set_sync: <%02i> Sync: %ins "
- "(%02i.%01i MHz) Offset %i\n",
- dcb->target_id, srb->msgin_buf[3] << 2,
- (250 / srb->msgin_buf[3]),
- ((250 % srb->msgin_buf[3]) * 10) / srb->msgin_buf[3],
- srb->msgin_buf[4]);
if (srb->msgin_buf[4] > 15)
srb->msgin_buf[4] = 15;
@@ -2743,10 +2199,7 @@ static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
|| dcb->min_nego_period >
clock_period[bval]))
bval++;
- if (srb->msgin_buf[3] < clock_period[bval])
- dprintkl(KERN_INFO,
- "msgin_set_sync: Increase sync nego period to %ins\n",
- clock_period[bval] << 2);
+
srb->msgin_buf[3] = clock_period[bval];
dcb->sync_period &= 0xf0;
dcb->sync_period |= ALT_SYNC | bval;
@@ -2757,18 +2210,8 @@ static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
else
fact = 250;
- dprintkl(KERN_INFO,
- "Target %02i: %s Sync: %ins Offset %i (%02i.%01i MB/s)\n",
- dcb->target_id, (fact == 500) ? "Wide16" : "",
- dcb->min_nego_period << 2, dcb->sync_offset,
- (fact / dcb->min_nego_period),
- ((fact % dcb->min_nego_period) * 10 +
- dcb->min_nego_period / 2) / dcb->min_nego_period);
-
if (!(srb->state & SRB_DO_SYNC_NEGO)) {
/* Reply with corrected SDTR Message */
- dprintkl(KERN_DEBUG, "msgin_set_sync: answer w/%ins %i\n",
- srb->msgin_buf[3] << 2, srb->msgin_buf[4]);
memcpy(srb->msgout_buf, srb->msgin_buf, 5);
srb->msg_count = 5;
@@ -2779,7 +2222,6 @@ static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
&& !(dcb->sync_mode & WIDE_NEGO_DONE)) {
build_wdtr(acb, dcb, srb);
DC395x_ENABLE_MSGOUT;
- dprintkdbg(DBG_0, "msgin_set_sync: Also try WDTR\n");
}
}
srb->state &= ~SRB_DO_SYNC_NEGO;
@@ -2793,7 +2235,6 @@ static inline void msgin_set_nowide(struct AdapterCtlBlk *acb,
struct ScsiReqBlk *srb)
{
struct DeviceCtlBlk *dcb = srb->dcb;
- dprintkdbg(DBG_1, "msgin_set_nowide: <%02i>\n", dcb->target_id);
dcb->sync_period &= ~WIDE_SYNC;
dcb->sync_mode &= ~(WIDE_NEGO_ENABLE);
@@ -2804,7 +2245,6 @@ static inline void msgin_set_nowide(struct AdapterCtlBlk *acb,
&& !(dcb->sync_mode & SYNC_NEGO_DONE)) {
build_sdtr(acb, dcb, srb);
DC395x_ENABLE_MSGOUT;
- dprintkdbg(DBG_0, "msgin_set_nowide: Rejected. Try SDTR anyway\n");
}
}
@@ -2813,15 +2253,11 @@ static void msgin_set_wide(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
struct DeviceCtlBlk *dcb = srb->dcb;
u8 wide = (dcb->dev_mode & NTC_DO_WIDE_NEGO
&& acb->config & HCC_WIDE_CARD) ? 1 : 0;
- dprintkdbg(DBG_1, "msgin_set_wide: <%02i>\n", dcb->target_id);
if (srb->msgin_buf[3] > wide)
srb->msgin_buf[3] = wide;
/* Completed */
if (!(srb->state & SRB_DO_WIDE_NEGO)) {
- dprintkl(KERN_DEBUG,
- "msgin_set_wide: Wide nego initiated <%02i>\n",
- dcb->target_id);
memcpy(srb->msgout_buf, srb->msgin_buf, 4);
srb->msg_count = 4;
srb->state |= SRB_DO_WIDE_NEGO;
@@ -2835,15 +2271,11 @@ static void msgin_set_wide(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
dcb->sync_period &= ~WIDE_SYNC;
srb->state &= ~SRB_DO_WIDE_NEGO;
/*dcb->sync_mode &= ~(WIDE_NEGO_ENABLE+WIDE_NEGO_DONE); */
- dprintkdbg(DBG_1,
- "msgin_set_wide: Wide (%i bit) negotiated <%02i>\n",
- (8 << srb->msgin_buf[3]), dcb->target_id);
reprogram_regs(acb, dcb);
if ((dcb->sync_mode & SYNC_NEGO_ENABLE)
&& !(dcb->sync_mode & SYNC_NEGO_DONE)) {
build_sdtr(acb, dcb, srb);
DC395x_ENABLE_MSGOUT;
- dprintkdbg(DBG_0, "msgin_set_wide: Also try SDTR.\n");
}
}
@@ -2864,7 +2296,6 @@ static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
struct DeviceCtlBlk *dcb = acb->active_dcb;
- dprintkdbg(DBG_0, "msgin_phase0: (0x%p)\n", srb->cmd);
srb->msgin_buf[acb->msg_len++] = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
if (msgin_completed(srb->msgin_buf, acb->msg_len)) {
@@ -2916,9 +2347,8 @@ static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
msgin_reject(acb, srb);
break;
- case MSG_IGNOREWIDE:
+ case IGNORE_WIDE_RESIDUE:
/* Discard wide residual */
- dprintkdbg(DBG_0, "msgin_phase0: Ignore Wide Residual!\n");
break;
case COMMAND_COMPLETE:
@@ -2930,20 +2360,12 @@ static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
* SAVE POINTER may be ignored as we have the struct
* ScsiReqBlk* associated with the scsi command.
*/
- dprintkdbg(DBG_0, "msgin_phase0: (0x%p) "
- "SAVE POINTER rem=%i Ignore\n",
- srb->cmd, srb->total_xfer_length);
break;
case RESTORE_POINTERS:
- dprintkdbg(DBG_0, "msgin_phase0: RESTORE POINTER. Ignore\n");
break;
case ABORT:
- dprintkdbg(DBG_0, "msgin_phase0: (0x%p) "
- "<%02i-%i> ABORT msg\n",
- srb->cmd, dcb->target_id,
- dcb->target_lun);
dcb->flag |= ABORT_DEV_;
enable_msgout_abort(acb, srb);
break;
@@ -2951,7 +2373,6 @@ static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
default:
/* reject unknown messages */
if (srb->msgin_buf[0] & IDENTIFY_BASE) {
- dprintkdbg(DBG_0, "msgin_phase0: Identify msg\n");
srb->msg_count = 1;
srb->msgout_buf[0] = dcb->identify_msg;
DC395x_ENABLE_MSGOUT;
@@ -2974,7 +2395,6 @@ static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
static void msgin_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
- dprintkdbg(DBG_0, "msgin_phase1: (0x%p)\n", srb->cmd);
clear_fifo(acb, "msgin_phase1");
DC395x_write32(acb, TRM_S1040_SCSI_COUNTER, 1);
if (!(srb->state & SRB_MSGIN)) {
@@ -3028,7 +2448,6 @@ static void disconnect(struct AdapterCtlBlk *acb)
struct ScsiReqBlk *srb;
if (!dcb) {
- dprintkl(KERN_ERR, "disconnect: No such device\n");
udelay(500);
/* Suspend queue for a while */
acb->last_reset =
@@ -3040,27 +2459,22 @@ static void disconnect(struct AdapterCtlBlk *acb)
}
srb = dcb->active_srb;
acb->active_dcb = NULL;
- dprintkdbg(DBG_0, "disconnect: (0x%p)\n", srb->cmd);
srb->scsi_phase = PH_BUS_FREE; /* initial phase */
clear_fifo(acb, "disconnect");
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_HWRESELECT);
if (srb->state & SRB_UNEXPECT_RESEL) {
- dprintkl(KERN_ERR,
- "disconnect: Unexpected reselection <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
srb->state = 0;
waiting_process_next(acb);
} else if (srb->state & SRB_ABORT_SENT) {
dcb->flag &= ~ABORT_DEV_;
acb->last_reset = jiffies + HZ / 2 + 1;
- dprintkl(KERN_ERR, "disconnect: SRB_ABORT_SENT\n");
doing_srb_done(acb, DID_ABORT, srb->cmd, 1);
waiting_process_next(acb);
} else {
if ((srb->state & (SRB_START_ + SRB_MSGOUT))
|| !(srb->
- state & (SRB_DISCONNECT + SRB_COMPLETED))) {
+ state & (SRB_DISCONNECT | SRB_COMPLETED))) {
/*
* Selection time out
* SRB_START_ || SRB_MSGOUT || (!SRB_DISCONNECT && !SRB_COMPLETED)
@@ -3069,16 +2483,10 @@ static void disconnect(struct AdapterCtlBlk *acb)
if (srb->state != SRB_START_
&& srb->state != SRB_MSGOUT) {
srb->state = SRB_READY;
- dprintkl(KERN_DEBUG,
- "disconnect: (0x%p) Unexpected\n",
- srb->cmd);
srb->target_status = SCSI_STAT_SEL_TIMEOUT;
goto disc1;
} else {
/* Normal selection timeout */
- dprintkdbg(DBG_KG, "disconnect: (0x%p) "
- "<%02i-%i> SelTO\n", srb->cmd,
- dcb->target_id, dcb->target_lun);
if (srb->retry_count++ > DC395x_MAX_RETRIES
|| acb->scan_devices) {
srb->target_status =
@@ -3086,10 +2494,7 @@ static void disconnect(struct AdapterCtlBlk *acb)
goto disc1;
}
free_tag(dcb, srb);
- srb_going_to_waiting_move(dcb, srb);
- dprintkdbg(DBG_KG,
- "disconnect: (0x%p) Retry\n",
- srb->cmd);
+ list_move(&srb->list, &dcb->srb_waiting_list);
waiting_set_timer(acb, HZ / 20);
}
} else if (srb->state & SRB_DISCONNECT) {
@@ -3098,9 +2503,6 @@ static void disconnect(struct AdapterCtlBlk *acb)
* SRB_DISCONNECT (This is what we expect!)
*/
if (bval & 0x40) {
- dprintkdbg(DBG_0, "disconnect: SCSI bus stat "
- " 0x%02x: ACK set! Other controllers?\n",
- bval);
/* It could come from another initiator, therefore don't do much ! */
} else
waiting_process_next(acb);
@@ -3124,8 +2526,6 @@ static void reselect(struct AdapterCtlBlk *acb)
struct ScsiReqBlk *srb = NULL;
u16 rsel_tar_lun_id;
u8 id, lun;
- u8 arblostflag = 0;
- dprintkdbg(DBG_0, "reselect: acb=%p\n", acb);
clear_fifo(acb, "reselect");
/*DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_HWRESELECT | DO_DATALATCH); */
@@ -3134,50 +2534,32 @@ static void reselect(struct AdapterCtlBlk *acb)
if (dcb) { /* Arbitration lost but Reselection win */
srb = dcb->active_srb;
if (!srb) {
- dprintkl(KERN_DEBUG, "reselect: Arb lost Resel won, "
- "but active_srb == NULL\n");
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH); /* it's important for atn stop */
return;
}
/* Why the if ? */
if (!acb->scan_devices) {
- dprintkdbg(DBG_KG, "reselect: (0x%p) <%02i-%i> "
- "Arb lost but Resel win rsel=%i stat=0x%04x\n",
- srb->cmd, dcb->target_id,
- dcb->target_lun, rsel_tar_lun_id,
- DC395x_read16(acb, TRM_S1040_SCSI_STATUS));
- arblostflag = 1;
/*srb->state |= SRB_DISCONNECT; */
srb->state = SRB_READY;
free_tag(dcb, srb);
- srb_going_to_waiting_move(dcb, srb);
+ list_move(&srb->list, &dcb->srb_waiting_list);
waiting_set_timer(acb, HZ / 20);
/* return; */
}
}
/* Read Reselected Target Id and LUN */
- if (!(rsel_tar_lun_id & (IDENTIFY_BASE << 8)))
- dprintkl(KERN_DEBUG, "reselect: Expects identify msg. "
- "Got %i!\n", rsel_tar_lun_id);
id = rsel_tar_lun_id & 0xff;
lun = (rsel_tar_lun_id >> 8) & 7;
dcb = find_dcb(acb, id, lun);
if (!dcb) {
- dprintkl(KERN_ERR, "reselect: From non existent device "
- "<%02i-%i>\n", id, lun);
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH); /* it's important for atn stop */
return;
}
acb->active_dcb = dcb;
- if (!(dcb->dev_mode & NTC_DO_DISCONNECT))
- dprintkl(KERN_DEBUG, "reselect: in spite of forbidden "
- "disconnection? <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
-
- if (dcb->sync_mode & EN_TAG_QUEUEING /*&& !arblostflag */) {
+ if (dcb->sync_mode & EN_TAG_QUEUEING) {
srb = acb->tmp_srb;
dcb->active_srb = srb;
} else {
@@ -3187,9 +2569,6 @@ static void reselect(struct AdapterCtlBlk *acb)
/*
* abort command
*/
- dprintkl(KERN_DEBUG,
- "reselect: w/o disconnected cmds <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
srb = acb->tmp_srb;
srb->state = SRB_UNEXPECT_RESEL;
dcb->active_srb = srb;
@@ -3206,7 +2585,6 @@ static void reselect(struct AdapterCtlBlk *acb)
srb->scsi_phase = PH_BUS_FREE; /* initial phase */
/* Program HA ID, target ID, period and offset */
- dprintkdbg(DBG_0, "reselect: select <%i>\n", dcb->target_id);
DC395x_write8(acb, TRM_S1040_SCSI_HOSTID, acb->scsi_host->this_id); /* host ID */
DC395x_write8(acb, TRM_S1040_SCSI_TARGETID, dcb->target_id); /* target ID */
DC395x_write8(acb, TRM_S1040_SCSI_OFFSET, dcb->sync_offset); /* offset */
@@ -3270,15 +2648,10 @@ static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
struct scsi_cmnd *cmd = srb->cmd;
enum dma_data_direction dir = cmd->sc_data_direction;
- if (scsi_sg_count(cmd) && dir != PCI_DMA_NONE) {
+ if (scsi_sg_count(cmd) && dir != DMA_NONE) {
/* unmap DC395x SG list */
- dprintkdbg(DBG_SG, "pci_unmap_srb: list=%08x(%05x)\n",
- srb->sg_bus_addr, SEGMENTX_LEN);
- pci_unmap_single(acb->dev, srb->sg_bus_addr,
- SEGMENTX_LEN,
- PCI_DMA_TODEVICE);
- dprintkdbg(DBG_SG, "pci_unmap_srb: segs=%i buffer=%p\n",
- scsi_sg_count(cmd), scsi_bufflen(cmd));
+ dma_unmap_single(&acb->dev->dev, srb->sg_bus_addr, SEGMENTX_LEN,
+ DMA_TO_DEVICE);
/* unmap the sg segments */
scsi_dma_unmap(cmd);
}
@@ -3292,10 +2665,8 @@ static void pci_unmap_srb_sense(struct AdapterCtlBlk *acb,
if (!(srb->flag & AUTO_REQSENSE))
return;
/* Unmap sense buffer */
- dprintkdbg(DBG_SG, "pci_unmap_srb_sense: buffer=%08x\n",
- srb->segment_x[0].address);
- pci_unmap_single(acb->dev, srb->segment_x[0].address,
- srb->segment_x[0].length, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&acb->dev->dev, srb->segment_x[0].address,
+ srb->segment_x[0].length, DMA_FROM_DEVICE);
/* Restore SG stuff */
srb->total_xfer_length = srb->xferred;
srb->segment_x[0].address =
@@ -3317,83 +2688,24 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
enum dma_data_direction dir = cmd->sc_data_direction;
int ckc_only = 1;
- dprintkdbg(DBG_1, "srb_done: (0x%p) <%02i-%i>\n", srb->cmd,
- srb->cmd->device->id, (u8)srb->cmd->device->lun);
- dprintkdbg(DBG_SG, "srb_done: srb=%p sg=%i(%i/%i) buf=%p\n",
- srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count,
- scsi_sgtalbe(cmd));
status = srb->target_status;
+ set_host_byte(cmd, DID_OK);
+ set_status_byte(cmd, SAM_STAT_GOOD);
if (srb->flag & AUTO_REQSENSE) {
- dprintkdbg(DBG_0, "srb_done: AUTO_REQSENSE1\n");
pci_unmap_srb_sense(acb, srb);
/*
** target status..........................
*/
srb->flag &= ~AUTO_REQSENSE;
srb->adapter_status = 0;
- srb->target_status = CHECK_CONDITION << 1;
- if (debug_enabled(DBG_1)) {
- switch (cmd->sense_buffer[2] & 0x0f) {
- case NOT_READY:
- dprintkl(KERN_DEBUG,
- "ReqSense: NOT_READY cmnd=0x%02x <%02i-%i> stat=%i scan=%i ",
- cmd->cmnd[0], dcb->target_id,
- dcb->target_lun, status, acb->scan_devices);
- break;
- case UNIT_ATTENTION:
- dprintkl(KERN_DEBUG,
- "ReqSense: UNIT_ATTENTION cmnd=0x%02x <%02i-%i> stat=%i scan=%i ",
- cmd->cmnd[0], dcb->target_id,
- dcb->target_lun, status, acb->scan_devices);
- break;
- case ILLEGAL_REQUEST:
- dprintkl(KERN_DEBUG,
- "ReqSense: ILLEGAL_REQUEST cmnd=0x%02x <%02i-%i> stat=%i scan=%i ",
- cmd->cmnd[0], dcb->target_id,
- dcb->target_lun, status, acb->scan_devices);
- break;
- case MEDIUM_ERROR:
- dprintkl(KERN_DEBUG,
- "ReqSense: MEDIUM_ERROR cmnd=0x%02x <%02i-%i> stat=%i scan=%i ",
- cmd->cmnd[0], dcb->target_id,
- dcb->target_lun, status, acb->scan_devices);
- break;
- case HARDWARE_ERROR:
- dprintkl(KERN_DEBUG,
- "ReqSense: HARDWARE_ERROR cmnd=0x%02x <%02i-%i> stat=%i scan=%i ",
- cmd->cmnd[0], dcb->target_id,
- dcb->target_lun, status, acb->scan_devices);
- break;
- }
- if (cmd->sense_buffer[7] >= 6)
- printk("sense=0x%02x ASC=0x%02x ASCQ=0x%02x "
- "(0x%08x 0x%08x)\n",
- cmd->sense_buffer[2], cmd->sense_buffer[12],
- cmd->sense_buffer[13],
- *((unsigned int *)(cmd->sense_buffer + 3)),
- *((unsigned int *)(cmd->sense_buffer + 8)));
- else
- printk("sense=0x%02x No ASC/ASCQ (0x%08x)\n",
- cmd->sense_buffer[2],
- *((unsigned int *)(cmd->sense_buffer + 3)));
- }
+ srb->target_status = SAM_STAT_CHECK_CONDITION;
- if (status == (CHECK_CONDITION << 1)) {
- cmd->result = DID_BAD_TARGET << 16;
+ if (status == SAM_STAT_CHECK_CONDITION) {
+ set_host_byte(cmd, DID_BAD_TARGET);
goto ckc_e;
}
- dprintkdbg(DBG_0, "srb_done: AUTO_REQSENSE2\n");
-
- if (srb->total_xfer_length
- && srb->total_xfer_length >= cmd->underflow)
- cmd->result =
- MK_RES_LNX(DRIVER_SENSE, DID_OK,
- srb->end_message, CHECK_CONDITION);
- /*SET_RES_DID(cmd->result,DID_OK) */
- else
- cmd->result =
- MK_RES_LNX(DRIVER_SENSE, DID_OK,
- srb->end_message, CHECK_CONDITION);
+
+ set_status_byte(cmd, SAM_STAT_CHECK_CONDITION);
goto ckc_e;
}
@@ -3403,18 +2715,16 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
/*
* target status..........................
*/
- if (status_byte(status) == CHECK_CONDITION) {
+ if (status == SAM_STAT_CHECK_CONDITION) {
request_sense(acb, dcb, srb);
return;
- } else if (status_byte(status) == QUEUE_FULL) {
+ } else if (status == SAM_STAT_TASK_SET_FULL) {
tempcnt = (u8)list_size(&dcb->srb_going_list);
- dprintkl(KERN_INFO, "QUEUE_FULL for dev <%02i-%i> with %i cmnds\n",
- dcb->target_id, dcb->target_lun, tempcnt);
if (tempcnt > 1)
tempcnt--;
dcb->max_command = tempcnt;
free_tag(dcb, srb);
- srb_going_to_waiting_move(dcb, srb);
+ list_move(&srb->list, &dcb->srb_waiting_list);
waiting_set_timer(acb, HZ / 20);
srb->adapter_status = 0;
srb->target_status = 0;
@@ -3422,13 +2732,11 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
} else if (status == SCSI_STAT_SEL_TIMEOUT) {
srb->adapter_status = H_SEL_TIMEOUT;
srb->target_status = 0;
- cmd->result = DID_NO_CONNECT << 16;
+ set_host_byte(cmd, DID_NO_CONNECT);
} else {
srb->adapter_status = 0;
- SET_RES_DID(cmd->result, DID_ERROR);
- SET_RES_MSG(cmd->result, srb->end_message);
- SET_RES_TARGET(cmd->result, status);
-
+ set_host_byte(cmd, DID_ERROR);
+ set_status_byte(cmd, status);
}
} else {
/*
@@ -3437,27 +2745,22 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
status = srb->adapter_status;
if (status & H_OVER_UNDER_RUN) {
srb->target_status = 0;
- SET_RES_DID(cmd->result, DID_OK);
- SET_RES_MSG(cmd->result, srb->end_message);
+ scsi_msg_to_host_byte(cmd, srb->end_message);
} else if (srb->status & PARITY_ERROR) {
- SET_RES_DID(cmd->result, DID_PARITY);
- SET_RES_MSG(cmd->result, srb->end_message);
+ set_host_byte(cmd, DID_PARITY);
} else { /* No error */
srb->adapter_status = 0;
srb->target_status = 0;
- SET_RES_DID(cmd->result, DID_OK);
}
}
- if (dir != PCI_DMA_NONE && scsi_sg_count(cmd))
- pci_dma_sync_sg_for_cpu(acb->dev, scsi_sglist(cmd),
- scsi_sg_count(cmd), dir);
-
ckc_only = 0;
/* Check Error Conditions */
ckc_e:
+ pci_unmap_srb(acb, srb);
+
if (cmd->cmnd[0] == INQUIRY) {
unsigned char *base = NULL;
struct ScsiInqData *ptr;
@@ -3469,16 +2772,15 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
base = scsi_kmap_atomic_sg(sg, scsi_sg_count(cmd), &offset, &len);
ptr = (struct ScsiInqData *)(base + offset);
- if (!ckc_only && (cmd->result & RES_DID) == 0
+ if (!ckc_only && get_host_byte(cmd) == DID_OK
&& cmd->cmnd[2] == 0 && scsi_bufflen(cmd) >= 8
- && dir != PCI_DMA_NONE && ptr && (ptr->Vers & 0x07) >= 2)
+ && dir != DMA_NONE && ptr && (ptr->Vers & 0x07) >= 2)
dcb->inquiry7 = ptr->Flags;
/*if( srb->cmd->cmnd[0] == INQUIRY && */
/* (host_byte(cmd->result) == DID_OK || status_byte(cmd->result) & CHECK_CONDITION) ) */
- if ((cmd->result == (DID_OK << 16)
- || status_byte(cmd->result) &
- CHECK_CONDITION)) {
+ if ((get_host_byte(cmd) == DID_OK) ||
+ (get_status_byte(cmd) == SAM_STAT_CHECK_CONDITION)) {
if (!dcb->init_tcq_flag) {
add_dev(acb, dcb, ptr);
dcb->init_tcq_flag = 1;
@@ -3491,29 +2793,13 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
/* Here is the info for Doug Gilbert's sg3 ... */
scsi_set_resid(cmd, srb->total_xfer_length);
- /* This may be interpreted by sb. or not ... */
- cmd->SCp.this_residual = srb->total_xfer_length;
- cmd->SCp.buffers_residual = 0;
- if (debug_enabled(DBG_KG)) {
- if (srb->total_xfer_length)
- dprintkdbg(DBG_KG, "srb_done: (0x%p) <%02i-%i> "
- "cmnd=0x%02x Missed %i bytes\n",
- cmd, cmd->device->id, (u8)cmd->device->lun,
- cmd->cmnd[0], srb->total_xfer_length);
- }
- srb_going_remove(dcb, srb);
- /* Add to free list */
- if (srb == acb->tmp_srb)
- dprintkl(KERN_ERR, "srb_done: ERROR! Completed cmd with tmp_srb\n");
- else {
- dprintkdbg(DBG_0, "srb_done: (0x%p) done result=0x%08x\n",
- cmd, cmd->result);
- srb_free_insert(acb, srb);
+ if (srb != acb->tmp_srb) {
+ /* Add to free list */
+ list_move_tail(&srb->list, &acb->srb_free_list);
}
- pci_unmap_srb(acb, srb);
- cmd->scsi_done(cmd);
+ scsi_done(cmd);
waiting_process_next(acb);
}
@@ -3523,7 +2809,6 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
struct scsi_cmnd *cmd, u8 force)
{
struct DeviceCtlBlk *dcb;
- dprintkl(KERN_INFO, "doing_srb_done: pids ");
list_for_each_entry(dcb, &acb->dcb_list, list) {
struct ScsiReqBlk *srb;
@@ -3531,68 +2816,47 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
struct scsi_cmnd *p;
list_for_each_entry_safe(srb, tmp, &dcb->srb_going_list, list) {
- enum dma_data_direction dir;
- int result;
-
p = srb->cmd;
- dir = p->sc_data_direction;
- result = MK_RES(0, did_flag, 0, 0);
printk("G:%p(%02i-%i) ", p,
p->device->id, (u8)p->device->lun);
- srb_going_remove(dcb, srb);
+ list_del(&srb->list);
free_tag(dcb, srb);
- srb_free_insert(acb, srb);
- p->result = result;
+ list_add_tail(&srb->list, &acb->srb_free_list);
+ set_host_byte(p, did_flag);
+ set_status_byte(p, SAM_STAT_GOOD);
pci_unmap_srb_sense(acb, srb);
pci_unmap_srb(acb, srb);
if (force) {
/* For new EH, we normally don't need to give commands back,
* as they all complete or all time out */
- p->scsi_done(p);
+ scsi_done(p);
}
}
- if (!list_empty(&dcb->srb_going_list))
- dprintkl(KERN_DEBUG,
- "How could the ML send cmnds to the Going queue? <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
- if (dcb->tag_mask)
- dprintkl(KERN_DEBUG,
- "tag_mask for <%02i-%i> should be empty, is %08x!\n",
- dcb->target_id, dcb->target_lun,
- dcb->tag_mask);
/* Waiting queue */
list_for_each_entry_safe(srb, tmp, &dcb->srb_waiting_list, list) {
- int result;
p = srb->cmd;
- result = MK_RES(0, did_flag, 0, 0);
printk("W:%p<%02i-%i>", p, p->device->id,
(u8)p->device->lun);
- srb_waiting_remove(dcb, srb);
- srb_free_insert(acb, srb);
- p->result = result;
+ list_move_tail(&srb->list, &acb->srb_free_list);
+ set_host_byte(p, did_flag);
+ set_status_byte(p, SAM_STAT_GOOD);
pci_unmap_srb_sense(acb, srb);
pci_unmap_srb(acb, srb);
if (force) {
/* For new EH, we normally don't need to give commands back,
* as they all complete or all time out */
- cmd->scsi_done(cmd);
+ scsi_done(cmd);
}
}
- if (!list_empty(&dcb->srb_waiting_list))
- dprintkl(KERN_DEBUG, "ML queued %i cmnds again to <%02i-%i>\n",
- list_size(&dcb->srb_waiting_list), dcb->target_id,
- dcb->target_lun);
dcb->flag &= ~ABORT_DEV_;
}
- printk("\n");
}
static void reset_scsi_bus(struct AdapterCtlBlk *acb)
{
- dprintkdbg(DBG_0, "reset_scsi_bus: acb=%p\n", acb);
acb->acb_flag |= RESET_DEV; /* RESET_DETECT, RESET_DONE, RESET_DEV */
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_RSTSCSI);
@@ -3639,10 +2903,9 @@ static void set_basic_config(struct AdapterCtlBlk *acb)
static void scsi_reset_detect(struct AdapterCtlBlk *acb)
{
- dprintkl(KERN_INFO, "scsi_reset_detect: acb=%p\n", acb);
/* delay half a second */
if (timer_pending(&acb->waiting_timer))
- del_timer(&acb->waiting_timer);
+ timer_delete(&acb->waiting_timer);
DC395x_write8(acb, TRM_S1040_SCSI_CONTROL, DO_RSTMODULE);
DC395x_write8(acb, TRM_S1040_DMA_CONTROL, DMARESETMODULE);
@@ -3676,8 +2939,6 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
struct ScsiReqBlk *srb)
{
struct scsi_cmnd *cmd = srb->cmd;
- dprintkdbg(DBG_1, "request_sense: (0x%p) <%02i-%i>\n",
- cmd, cmd->device->id, (u8)cmd->device->lun);
srb->flag |= AUTO_REQSENSE;
srb->adapter_status = 0;
@@ -3696,20 +2957,14 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
srb->total_xfer_length = SCSI_SENSE_BUFFERSIZE;
srb->segment_x[0].length = SCSI_SENSE_BUFFERSIZE;
/* Map sense buffer */
- srb->segment_x[0].address =
- pci_map_single(acb->dev, cmd->sense_buffer,
- SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE);
- dprintkdbg(DBG_SG, "request_sense: map buffer %p->%08x(%05x)\n",
- cmd->sense_buffer, srb->segment_x[0].address,
- SCSI_SENSE_BUFFERSIZE);
+ srb->segment_x[0].address = dma_map_single(&acb->dev->dev,
+ cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,
+ DMA_FROM_DEVICE);
srb->sg_count = 1;
srb->sg_index = 0;
if (start_scsi(acb, dcb, srb)) { /* Should only happen, if sb. else grabs the bus */
- dprintkl(KERN_DEBUG,
- "request_sense: (0x%p) failed <%02i-%i>\n",
- srb->cmd, dcb->target_id, dcb->target_lun);
- srb_going_to_waiting_move(dcb, srb);
+ list_move(&srb->list, &dcb->srb_waiting_list);
waiting_set_timer(acb, HZ / 100);
}
}
@@ -3736,7 +2991,6 @@ static struct DeviceCtlBlk *device_alloc(struct AdapterCtlBlk *acb,
struct DeviceCtlBlk *dcb;
dcb = kmalloc(sizeof(struct DeviceCtlBlk), GFP_ATOMIC);
- dprintkdbg(DBG_0, "device_alloc: <%02i-%i>\n", target, lun);
if (!dcb)
return NULL;
dcb->acb = NULL;
@@ -3773,14 +3027,19 @@ static struct DeviceCtlBlk *device_alloc(struct AdapterCtlBlk *acb,
#endif
if (dcb->target_lun != 0) {
/* Copy settings */
- struct DeviceCtlBlk *p;
- list_for_each_entry(p, &acb->dcb_list, list)
- if (p->target_id == dcb->target_id)
+ struct DeviceCtlBlk *p = NULL, *iter;
+
+ list_for_each_entry(iter, &acb->dcb_list, list)
+ if (iter->target_id == dcb->target_id) {
+ p = iter;
break;
- dprintkdbg(DBG_1,
- "device_alloc: <%02i-%i> copy from <%02i-%i>\n",
- dcb->target_id, dcb->target_lun,
- p->target_id, p->target_lun);
+ }
+
+ if (!p) {
+ kfree(dcb);
+ return NULL;
+ }
+
dcb->sync_mode = p->sync_mode;
dcb->sync_period = p->sync_period;
dcb->min_nego_period = p->min_nego_period;
@@ -3830,8 +3089,6 @@ static void adapter_remove_device(struct AdapterCtlBlk *acb,
{
struct DeviceCtlBlk *i;
struct DeviceCtlBlk *tmp;
- dprintkdbg(DBG_0, "adapter_remove_device: <%02i-%i>\n",
- dcb->target_id, dcb->target_lun);
/* fix up any pointers to this device that we have in the adapter */
if (acb->active_dcb == dcb)
@@ -3864,10 +3121,6 @@ static void adapter_remove_and_free_device(struct AdapterCtlBlk *acb,
struct DeviceCtlBlk *dcb)
{
if (list_size(&dcb->srb_going_list) > 1) {
- dprintkdbg(DBG_1, "adapter_remove_and_free_device: <%02i-%i> "
- "Won't remove because of %i active requests.\n",
- dcb->target_id, dcb->target_lun,
- list_size(&dcb->srb_going_list));
return;
}
adapter_remove_device(acb, dcb);
@@ -3885,8 +3138,6 @@ static void adapter_remove_and_free_all_devices(struct AdapterCtlBlk* acb)
{
struct DeviceCtlBlk *dcb;
struct DeviceCtlBlk *tmp;
- dprintkdbg(DBG_1, "adapter_remove_and_free_all_devices: num=%i\n",
- list_size(&acb->dcb_list));
list_for_each_entry_safe(dcb, tmp, &acb->dcb_list, list)
adapter_remove_and_free_device(acb, dcb);
@@ -3894,13 +3145,13 @@ static void adapter_remove_and_free_all_devices(struct AdapterCtlBlk* acb)
/**
- * dc395x_slave_alloc - Called by the scsi mid layer to tell us about a new
+ * dc395x_sdev_init - Called by the scsi mid layer to tell us about a new
* scsi device that we need to deal with. We allocate a new device and then
* insert that device into the adapters device list.
*
* @scsi_device: The new scsi device that we need to handle.
**/
-static int dc395x_slave_alloc(struct scsi_device *scsi_device)
+static int dc395x_sdev_init(struct scsi_device *scsi_device)
{
struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)scsi_device->host->hostdata;
struct DeviceCtlBlk *dcb;
@@ -3915,12 +3166,12 @@ static int dc395x_slave_alloc(struct scsi_device *scsi_device)
/**
- * dc395x_slave_destroy - Called by the scsi mid layer to tell us about a
+ * dc395x_sdev_destroy - Called by the scsi mid layer to tell us about a
* device that is going away.
*
* @scsi_device: The new scsi device that we need to handle.
**/
-static void dc395x_slave_destroy(struct scsi_device *scsi_device)
+static void dc395x_sdev_destroy(struct scsi_device *scsi_device)
{
struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)scsi_device->host->hostdata;
struct DeviceCtlBlk *dcb = find_dcb(acb, scsi_device->id, scsi_device->lun);
@@ -4181,8 +3432,6 @@ static void check_eeprom(struct NvRamType *eeprom, unsigned long io_port)
* Checksum is wrong.
* Load a set of defaults into the eeprom buffer
*/
- dprintkl(KERN_WARNING,
- "EEProm checksum error: using default values and options.\n");
eeprom->sub_vendor_id[0] = (u8)PCI_VENDOR_ID_TEKRAM;
eeprom->sub_vendor_id[1] = (u8)(PCI_VENDOR_ID_TEKRAM >> 8);
eeprom->sub_sys_id[0] = (u8)PCI_DEVICE_ID_TEKRAM_TRMS1040;
@@ -4234,15 +3483,6 @@ static void check_eeprom(struct NvRamType *eeprom, unsigned long io_port)
**/
static void print_eeprom_settings(struct NvRamType *eeprom)
{
- dprintkl(KERN_INFO, "Used settings: AdapterID=%02i, Speed=%i(%02i.%01iMHz), dev_mode=0x%02x\n",
- eeprom->scsi_id,
- eeprom->target[0].period,
- clock_speed[eeprom->target[0].period] / 10,
- clock_speed[eeprom->target[0].period] % 10,
- eeprom->target[0].cfg0);
- dprintkl(KERN_INFO, " AdaptMode=0x%02x, Tags=%i(%02i), DelayReset=%is\n",
- eeprom->channel_cfg, eeprom->max_tag,
- 1 << eeprom->max_tag, eeprom->delay_time);
}
@@ -4268,20 +3508,17 @@ static int adapter_sg_tables_alloc(struct AdapterCtlBlk *acb)
const unsigned srbs_per_page = PAGE_SIZE/SEGMENTX_LEN;
int srb_idx = 0;
unsigned i = 0;
- struct SGentry *uninitialized_var(ptr);
+ struct SGentry *ptr;
for (i = 0; i < DC395x_MAX_SRB_CNT; i++)
acb->srb_array[i].segment_x = NULL;
- dprintkdbg(DBG_1, "Allocate %i pages for SG tables\n", pages);
while (pages--) {
ptr = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!ptr) {
adapter_sg_tables_free(acb);
return 1;
}
- dprintkdbg(DBG_1, "Allocate %li bytes at %p for SG segments %i\n",
- PAGE_SIZE, ptr, srb_idx);
i = 0;
while (i < srbs_per_page && srb_idx < DC395x_MAX_SRB_CNT)
acb->srb_array[srb_idx++].segment_x =
@@ -4290,8 +3527,6 @@ static int adapter_sg_tables_alloc(struct AdapterCtlBlk *acb)
if (i < srbs_per_page)
acb->srb.segment_x =
ptr + (i * DC395x_MAX_SG_LISTENTRY);
- else
- dprintkl(KERN_DEBUG, "No space for tmsrb SG table reserved?!\n");
return 0;
}
@@ -4311,8 +3546,6 @@ static void adapter_print_config(struct AdapterCtlBlk *acb)
u8 bval;
bval = DC395x_read8(acb, TRM_S1040_GEN_STATUS);
- dprintkl(KERN_INFO, "%sConnectors: ",
- ((bval & WIDESCSI) ? "(Wide) " : ""));
if (!(bval & CON5068))
printk("ext%s ", !(bval & EXT68HIGH) ? "68" : "50");
if (!(bval & CON68))
@@ -4366,8 +3599,8 @@ static void adapter_init_params(struct AdapterCtlBlk *acb)
INIT_LIST_HEAD(&acb->srb_free_list);
/* temp SRB for Q tag used or abort command used */
acb->tmp_srb = &acb->srb;
- init_timer(&acb->waiting_timer);
- init_timer(&acb->selto_timer);
+ timer_setup(&acb->waiting_timer, waiting_timeout, 0);
+ timer_setup(&acb->selto_timer, NULL, 0);
acb->srb_count = DC395x_MAX_SRB_CNT;
@@ -4396,12 +3629,12 @@ static void adapter_init_params(struct AdapterCtlBlk *acb)
/* link static array of srbs into the srb free list */
for (i = 0; i < acb->srb_count - 1; i++)
- srb_free_insert(acb, &acb->srb_array[i]);
+ list_add_tail(&acb->srb_array[i].list, &acb->srb_free_list);
}
/**
- * adapter_init_host - Initialize the scsi host instance based on
+ * adapter_init_scsi_host - Initialize the scsi host instance based on
* values that we have already stored in the adapter instance. There's
* some mention that a lot of these are deprecated, so we won't use
* them (we'll use the ones in the adapter instance) but we'll fill
@@ -4472,7 +3705,6 @@ static void adapter_init_chip(struct AdapterCtlBlk *acb)
acb->config |= HCC_SCSI_RESET;
if (acb->config & HCC_SCSI_RESET) {
- dprintkl(KERN_INFO, "Performing initial SCSI bus reset\n");
DC395x_write8(acb, TRM_S1040_SCSI_CONTROL, DO_RSTSCSI);
/*while (!( DC395x_read8(acb, TRM_S1040_SCSI_INTSTATUS) & INT_SCSIRESET )); */
@@ -4489,13 +3721,14 @@ static void adapter_init_chip(struct AdapterCtlBlk *acb)
/**
- * init_adapter - Grab the resource for the card, setup the adapter
+ * adapter_init - Grab the resource for the card, setup the adapter
* information, set the card into a known state, create the various
* tables etc etc. This basically gets all adapter information all up
* to date, initialised and gets the chip in sync with it.
*
- * @host: This hosts adapter structure
+ * @acb: The adapter which we are to init.
* @io_port: The base I/O port
+ * @io_port_len: The I/O port size
* @irq: IRQ
*
* Returns 0 if the initialization succeeds, any other value on
@@ -4505,7 +3738,6 @@ static int adapter_init(struct AdapterCtlBlk *acb, unsigned long io_port,
u32 io_port_len, unsigned int irq)
{
if (!request_region(io_port, io_port_len, DC395X_NAME)) {
- dprintkl(KERN_ERR, "Failed to reserve IO region 0x%lx\n", io_port);
goto failed;
}
/* store port base to indicate we have registered it */
@@ -4514,7 +3746,6 @@ static int adapter_init(struct AdapterCtlBlk *acb, unsigned long io_port,
if (request_irq(irq, dc395x_interrupt, IRQF_SHARED, DC395X_NAME, acb)) {
/* release the region we just claimed */
- dprintkl(KERN_INFO, "Failed to register IRQ\n");
goto failed;
}
/* store irq to indicate we have registered it */
@@ -4531,18 +3762,12 @@ static int adapter_init(struct AdapterCtlBlk *acb, unsigned long io_port,
adapter_print_config(acb);
if (adapter_sg_tables_alloc(acb)) {
- dprintkl(KERN_DEBUG, "Memory allocation for SG tables failed\n");
goto failed;
}
adapter_init_scsi_host(acb->scsi_host);
adapter_init_chip(acb);
set_basic_config(acb);
- dprintkdbg(DBG_0,
- "adapter_init: acb=%p, pdcb_map=%p psrb_array=%p "
- "size{acb=0x%04x dcb=0x%04x srb=0x%04x}\n",
- acb, acb->dcb_map, acb->srb_array, sizeof(struct AdapterCtlBlk),
- sizeof(struct DeviceCtlBlk), sizeof(struct ScsiReqBlk));
return 0;
failed:
@@ -4593,9 +3818,9 @@ static void adapter_uninit(struct AdapterCtlBlk *acb)
/* remove timers */
if (timer_pending(&acb->waiting_timer))
- del_timer(&acb->waiting_timer);
+ timer_delete(&acb->waiting_timer);
if (timer_pending(&acb->selto_timer))
- del_timer(&acb->selto_timer);
+ timer_delete(&acb->selto_timer);
adapter_uninit_chip(acb);
adapter_remove_and_free_all_devices(acb);
@@ -4646,14 +3871,8 @@ static int dc395x_show_info(struct seq_file *m, struct Scsi_Host *host)
/*seq_printf(m, "\n"); */
seq_printf(m, "Nr of DCBs: %i\n", list_size(&acb->dcb_list));
- seq_printf(m, "Map of attached LUNs: %02x %02x %02x %02x %02x %02x %02x %02x\n",
- acb->dcb_map[0], acb->dcb_map[1], acb->dcb_map[2],
- acb->dcb_map[3], acb->dcb_map[4], acb->dcb_map[5],
- acb->dcb_map[6], acb->dcb_map[7]);
- seq_printf(m, " %02x %02x %02x %02x %02x %02x %02x %02x\n",
- acb->dcb_map[8], acb->dcb_map[9], acb->dcb_map[10],
- acb->dcb_map[11], acb->dcb_map[12], acb->dcb_map[13],
- acb->dcb_map[14], acb->dcb_map[15]);
+ seq_printf(m, "Map of attached LUNs: %8ph\n", &acb->dcb_map[0]);
+ seq_printf(m, " %8ph\n", &acb->dcb_map[8]);
seq_puts(m,
"Un ID LUN Prty Sync Wide DsCn SndS TagQ nego_period SyncFreq SyncOffs MaxCmd\n");
@@ -4712,54 +3931,30 @@ static int dc395x_show_info(struct seq_file *m, struct Scsi_Host *host)
seq_putc(m, '\n');
}
- if (debug_enabled(DBG_1)) {
- seq_printf(m, "DCB list for ACB %p:\n", acb);
- list_for_each_entry(dcb, &acb->dcb_list, list) {
- seq_printf(m, "%p -> ", dcb);
- }
- seq_puts(m, "END\n");
- }
-
DC395x_UNLOCK_IO(acb->scsi_host, flags);
return 0;
}
-static struct scsi_host_template dc395x_driver_template = {
+static const struct scsi_host_template dc395x_driver_template = {
.module = THIS_MODULE,
.proc_name = DC395X_NAME,
.show_info = dc395x_show_info,
.name = DC395X_BANNER " " DC395X_VERSION,
.queuecommand = dc395x_queue_command,
- .bios_param = dc395x_bios_param,
- .slave_alloc = dc395x_slave_alloc,
- .slave_destroy = dc395x_slave_destroy,
+ .sdev_init = dc395x_sdev_init,
+ .sdev_destroy = dc395x_sdev_destroy,
.can_queue = DC395x_MAX_CAN_QUEUE,
.this_id = 7,
.sg_tablesize = DC395x_MAX_SG_TABLESIZE,
.cmd_per_lun = DC395x_MAX_CMD_PER_LUN,
.eh_abort_handler = dc395x_eh_abort,
.eh_bus_reset_handler = dc395x_eh_bus_reset,
- .use_clustering = DISABLE_CLUSTERING,
+ .dma_boundary = PAGE_SIZE - 1,
};
/**
- * banner_display - Display banner on first instance of driver
- * initialized.
- **/
-static void banner_display(void)
-{
- static int banner_done = 0;
- if (!banner_done)
- {
- dprintkl(KERN_INFO, "%s %s\n", DC395X_BANNER, DC395X_VERSION);
- banner_done = 1;
- }
-}
-
-
-/**
* dc395x_init_one - Initialise a single instance of the adapter.
*
* The PCI layer will call this once for each instance of the adapter
@@ -4780,43 +3975,35 @@ static int dc395x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
unsigned int io_port_len;
unsigned int irq;
- dprintkdbg(DBG_0, "Init one instance (%s)\n", pci_name(dev));
- banner_display();
-
if (pci_enable_device(dev))
- {
- dprintkl(KERN_INFO, "PCI Enable device failed.\n");
return -ENODEV;
- }
+
io_port_base = pci_resource_start(dev, 0) & PCI_BASE_ADDRESS_IO_MASK;
io_port_len = pci_resource_len(dev, 0);
irq = dev->irq;
- dprintkdbg(DBG_0, "IO_PORT=0x%04lx, IRQ=0x%x\n", io_port_base, dev->irq);
/* allocate scsi host information (includes out adapter) */
scsi_host = scsi_host_alloc(&dc395x_driver_template,
sizeof(struct AdapterCtlBlk));
- if (!scsi_host) {
- dprintkl(KERN_INFO, "scsi_host_alloc failed\n");
+ if (!scsi_host)
goto fail;
- }
+
acb = (struct AdapterCtlBlk*)scsi_host->hostdata;
acb->scsi_host = scsi_host;
acb->dev = dev;
/* initialise the adapter and everything we need */
if (adapter_init(acb, io_port_base, io_port_len, irq)) {
- dprintkl(KERN_INFO, "adapter init failed\n");
+ acb = NULL;
goto fail;
}
pci_set_master(dev);
/* get the scsi mid level to scan for new devices on the bus */
- if (scsi_add_host(scsi_host, &dev->dev)) {
- dprintkl(KERN_ERR, "scsi_add_host failed\n");
+ if (scsi_add_host(scsi_host, &dev->dev))
goto fail;
- }
+
pci_set_drvdata(dev, scsi_host);
scsi_scan_host(scsi_host);
@@ -4843,8 +4030,6 @@ static void dc395x_remove_one(struct pci_dev *dev)
struct Scsi_Host *scsi_host = pci_get_drvdata(dev);
struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)(scsi_host->hostdata);
- dprintkdbg(DBG_0, "dc395x_remove_one: acb=%p\n", acb);
-
scsi_remove_host(scsi_host);
adapter_uninit(acb);
pci_disable_device(dev);
@@ -4852,7 +4037,7 @@ static void dc395x_remove_one(struct pci_dev *dev)
}
-static struct pci_device_id dc395x_pci_table[] = {
+static const struct pci_device_id dc395x_pci_table[] = {
{
.vendor = PCI_VENDOR_ID_TEKRAM,
.device = PCI_DEVICE_ID_TEKRAM_TRMS1040,
@@ -4870,30 +4055,7 @@ static struct pci_driver dc395x_driver = {
.probe = dc395x_init_one,
.remove = dc395x_remove_one,
};
-
-
-/**
- * dc395x_module_init - Module initialization function
- *
- * Used by both module and built-in driver to initialise this driver.
- **/
-static int __init dc395x_module_init(void)
-{
- return pci_register_driver(&dc395x_driver);
-}
-
-
-/**
- * dc395x_module_exit - Module cleanup function.
- **/
-static void __exit dc395x_module_exit(void)
-{
- pci_unregister_driver(&dc395x_driver);
-}
-
-
-module_init(dc395x_module_init);
-module_exit(dc395x_module_exit);
+module_pci_driver(dc395x_driver);
MODULE_AUTHOR("C.L. Huang / Erich Chen / Kurt Garloff");
MODULE_DESCRIPTION("SCSI host adapter driver for Tekram TRM-S1040 based adapters: Tekram DC395 and DC315 series");