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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-12-03 11:20:11 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-12-03 11:20:11 -0500
commit26145f7e7ebc8a5f1b29425d6da62e872031be4a (patch)
treed06d4418c6db3683fb06d9035baa8a50c3a5311f /drivers
parent8002cedc1adbf51e2d56091534ef7551b88329b4 (diff)
parent1e641664301744f0d381de43ae1e12343e60b479 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage [SCSI] zfcp: fix cleanup of dismissed error recovery actions [SCSI] zfcp: fix dismissal of error recovery actions [SCSI] qla1280: convert to use the data buffer accessors [SCSI] iscsi: return data transfer residual for data-out commands [SCSI] iscsi_tcp: fix potential lockup with write commands [SCSI] aacraid: fix security weakness [SCSI] aacraid: fix up le32 issues in BlinkLED [SCSI] aacraid: fix potential panic in thread stop [SCSI] aacraid: don't assign cpu_to_le32(constant) to u8
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/scsi/zfcp_erp.c18
-rw-r--r--drivers/scsi/aacraid/commsup.c8
-rw-r--r--drivers/scsi/aacraid/linit.c7
-rw-r--r--drivers/scsi/atari_scsi.c10
-rw-r--r--drivers/scsi/dtc.c5
-rw-r--r--drivers/scsi/g_NCR5380.c5
-rw-r--r--drivers/scsi/iscsi_tcp.c139
-rw-r--r--drivers/scsi/iscsi_tcp.h34
-rw-r--r--drivers/scsi/libiscsi.c3
-rw-r--r--drivers/scsi/mac_scsi.c4
-rw-r--r--drivers/scsi/pas16.c5
-rw-r--r--drivers/scsi/qla1280.c387
-rw-r--r--drivers/scsi/sun3_scsi.c4
-rw-r--r--drivers/scsi/sun3_scsi_vme.c4
-rw-r--r--drivers/scsi/t128.c5
15 files changed, 292 insertions, 346 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 5552b755c08a..07fa824d179f 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -977,7 +977,9 @@ static void zfcp_erp_action_dismiss(struct zfcp_erp_action *erp_action)
977 debug_text_event(adapter->erp_dbf, 2, "a_adis"); 977 debug_text_event(adapter->erp_dbf, 2, "a_adis");
978 debug_event(adapter->erp_dbf, 2, &erp_action->action, sizeof (int)); 978 debug_event(adapter->erp_dbf, 2, &erp_action->action, sizeof (int));
979 979
980 zfcp_erp_async_handler_nolock(erp_action, ZFCP_STATUS_ERP_DISMISSED); 980 erp_action->status |= ZFCP_STATUS_ERP_DISMISSED;
981 if (zfcp_erp_action_exists(erp_action) == ZFCP_ERP_ACTION_RUNNING)
982 zfcp_erp_action_ready(erp_action);
981} 983}
982 984
983int 985int
@@ -1063,7 +1065,7 @@ zfcp_erp_thread(void *data)
1063 &adapter->status)) { 1065 &adapter->status)) {
1064 1066
1065 write_lock_irqsave(&adapter->erp_lock, flags); 1067 write_lock_irqsave(&adapter->erp_lock, flags);
1066 next = adapter->erp_ready_head.prev; 1068 next = adapter->erp_ready_head.next;
1067 write_unlock_irqrestore(&adapter->erp_lock, flags); 1069 write_unlock_irqrestore(&adapter->erp_lock, flags);
1068 1070
1069 if (next != &adapter->erp_ready_head) { 1071 if (next != &adapter->erp_ready_head) {
@@ -1153,15 +1155,13 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
1153 1155
1154 /* 1156 /*
1155 * check for dismissed status again to avoid follow-up actions, 1157 * check for dismissed status again to avoid follow-up actions,
1156 * failing of targets and so on for dismissed actions 1158 * failing of targets and so on for dismissed actions,
1159 * we go through down() here because there has been an up()
1157 */ 1160 */
1158 retval = zfcp_erp_strategy_check_action(erp_action, retval); 1161 if (erp_action->status & ZFCP_STATUS_ERP_DISMISSED)
1162 retval = ZFCP_ERP_CONTINUES;
1159 1163
1160 switch (retval) { 1164 switch (retval) {
1161 case ZFCP_ERP_DISMISSED:
1162 /* leave since this action has ridden to its ancestors */
1163 debug_text_event(adapter->erp_dbf, 6, "a_st_dis2");
1164 goto unlock;
1165 case ZFCP_ERP_NOMEM: 1165 case ZFCP_ERP_NOMEM:
1166 /* no memory to continue immediately, let it sleep */ 1166 /* no memory to continue immediately, let it sleep */
1167 if (!(erp_action->status & ZFCP_STATUS_ERP_LOWMEM)) { 1167 if (!(erp_action->status & ZFCP_STATUS_ERP_LOWMEM)) {
@@ -3089,7 +3089,7 @@ zfcp_erp_action_enqueue(int action,
3089 ++adapter->erp_total_count; 3089 ++adapter->erp_total_count;
3090 3090
3091 /* finally put it into 'ready' queue and kick erp thread */ 3091 /* finally put it into 'ready' queue and kick erp thread */
3092 list_add(&erp_action->list, &adapter->erp_ready_head); 3092 list_add_tail(&erp_action->list, &adapter->erp_ready_head);
3093 up(&adapter->erp_ready_sem); 3093 up(&adapter->erp_ready_sem);
3094 retval = 0; 3094 retval = 0;
3095 out: 3095 out:
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 240a0bb8986f..abce48ccc85b 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -1339,10 +1339,10 @@ int aac_check_health(struct aac_dev * aac)
1339 aif = (struct aac_aifcmd *)hw_fib->data; 1339 aif = (struct aac_aifcmd *)hw_fib->data;
1340 aif->command = cpu_to_le32(AifCmdEventNotify); 1340 aif->command = cpu_to_le32(AifCmdEventNotify);
1341 aif->seqnum = cpu_to_le32(0xFFFFFFFF); 1341 aif->seqnum = cpu_to_le32(0xFFFFFFFF);
1342 aif->data[0] = cpu_to_le32(AifEnExpEvent); 1342 aif->data[0] = AifEnExpEvent;
1343 aif->data[1] = cpu_to_le32(AifExeFirmwarePanic); 1343 aif->data[1] = AifExeFirmwarePanic;
1344 aif->data[2] = cpu_to_le32(AifHighPriority); 1344 aif->data[2] = AifHighPriority;
1345 aif->data[3] = cpu_to_le32(BlinkLED); 1345 aif->data[3] = BlinkLED;
1346 1346
1347 /* 1347 /*
1348 * Put the FIB onto the 1348 * Put the FIB onto the
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 038980be763d..9dd331bc29b0 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -636,7 +636,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
636static int aac_cfg_ioctl(struct inode *inode, struct file *file, 636static int aac_cfg_ioctl(struct inode *inode, struct file *file,
637 unsigned int cmd, unsigned long arg) 637 unsigned int cmd, unsigned long arg)
638{ 638{
639 if (!capable(CAP_SYS_ADMIN)) 639 if (!capable(CAP_SYS_RAWIO))
640 return -EPERM; 640 return -EPERM;
641 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 641 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
642} 642}
@@ -691,7 +691,7 @@ static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
691 691
692static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 692static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
693{ 693{
694 if (!capable(CAP_SYS_ADMIN)) 694 if (!capable(CAP_SYS_RAWIO))
695 return -EPERM; 695 return -EPERM;
696 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 696 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
697} 697}
@@ -950,7 +950,8 @@ static struct scsi_host_template aac_driver_template = {
950 950
951static void __aac_shutdown(struct aac_dev * aac) 951static void __aac_shutdown(struct aac_dev * aac)
952{ 952{
953 kthread_stop(aac->thread); 953 if (aac->aif_thread)
954 kthread_stop(aac->thread);
954 aac_send_shutdown(aac); 955 aac_send_shutdown(aac);
955 aac_adapter_disable_int(aac); 956 aac_adapter_disable_int(aac);
956 free_irq(aac->pdev->irq, aac); 957 free_irq(aac->pdev->irq, aac);
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 6f8403b82ba1..f5732d8f67fe 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -393,7 +393,7 @@ static irqreturn_t scsi_tt_intr(int irq, void *dummy)
393 393
394#endif /* REAL_DMA */ 394#endif /* REAL_DMA */
395 395
396 NCR5380_intr(0, 0); 396 NCR5380_intr(irq, dummy);
397 397
398#if 0 398#if 0
399 /* To be sure the int is not masked */ 399 /* To be sure the int is not masked */
@@ -458,7 +458,7 @@ static irqreturn_t scsi_falcon_intr(int irq, void *dummy)
458 458
459#endif /* REAL_DMA */ 459#endif /* REAL_DMA */
460 460
461 NCR5380_intr(0, 0); 461 NCR5380_intr(irq, dummy);
462 return IRQ_HANDLED; 462 return IRQ_HANDLED;
463} 463}
464 464
@@ -684,7 +684,7 @@ int atari_scsi_detect(struct scsi_host_template *host)
684 * interrupt after having cleared the pending flag for the DMA 684 * interrupt after having cleared the pending flag for the DMA
685 * interrupt. */ 685 * interrupt. */
686 if (request_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW, 686 if (request_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW,
687 "SCSI NCR5380", scsi_tt_intr)) { 687 "SCSI NCR5380", instance)) {
688 printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting",IRQ_TT_MFP_SCSI); 688 printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting",IRQ_TT_MFP_SCSI);
689 scsi_unregister(atari_scsi_host); 689 scsi_unregister(atari_scsi_host);
690 atari_stram_free(atari_dma_buffer); 690 atari_stram_free(atari_dma_buffer);
@@ -701,7 +701,7 @@ int atari_scsi_detect(struct scsi_host_template *host)
701 IRQ_TYPE_PRIO, "Hades DMA emulator", 701 IRQ_TYPE_PRIO, "Hades DMA emulator",
702 hades_dma_emulator)) { 702 hades_dma_emulator)) {
703 printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting (MACH_IS_HADES)",IRQ_AUTO_2); 703 printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting (MACH_IS_HADES)",IRQ_AUTO_2);
704 free_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr); 704 free_irq(IRQ_TT_MFP_SCSI, instance);
705 scsi_unregister(atari_scsi_host); 705 scsi_unregister(atari_scsi_host);
706 atari_stram_free(atari_dma_buffer); 706 atari_stram_free(atari_dma_buffer);
707 atari_dma_buffer = 0; 707 atari_dma_buffer = 0;
@@ -761,7 +761,7 @@ int atari_scsi_detect(struct scsi_host_template *host)
761int atari_scsi_release(struct Scsi_Host *sh) 761int atari_scsi_release(struct Scsi_Host *sh)
762{ 762{
763 if (IS_A_TT()) 763 if (IS_A_TT())
764 free_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr); 764 free_irq(IRQ_TT_MFP_SCSI, sh);
765 if (atari_dma_buffer) 765 if (atari_dma_buffer)
766 atari_stram_free(atari_dma_buffer); 766 atari_stram_free(atari_dma_buffer);
767 return 1; 767 return 1;
diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index 2596165096d3..c2677ba29c74 100644
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -277,7 +277,8 @@ found:
277 /* With interrupts enabled, it will sometimes hang when doing heavy 277 /* With interrupts enabled, it will sometimes hang when doing heavy
278 * reads. So better not enable them until I finger it out. */ 278 * reads. So better not enable them until I finger it out. */
279 if (instance->irq != SCSI_IRQ_NONE) 279 if (instance->irq != SCSI_IRQ_NONE)
280 if (request_irq(instance->irq, dtc_intr, IRQF_DISABLED, "dtc", instance)) { 280 if (request_irq(instance->irq, dtc_intr, IRQF_DISABLED,
281 "dtc", instance)) {
281 printk(KERN_ERR "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq); 282 printk(KERN_ERR "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
282 instance->irq = SCSI_IRQ_NONE; 283 instance->irq = SCSI_IRQ_NONE;
283 } 284 }
@@ -459,7 +460,7 @@ static int dtc_release(struct Scsi_Host *shost)
459 NCR5380_local_declare(); 460 NCR5380_local_declare();
460 NCR5380_setup(shost); 461 NCR5380_setup(shost);
461 if (shost->irq) 462 if (shost->irq)
462 free_irq(shost->irq, NULL); 463 free_irq(shost->irq, shost);
463 NCR5380_exit(shost); 464 NCR5380_exit(shost);
464 if (shost->io_port && shost->n_io_port) 465 if (shost->io_port && shost->n_io_port)
465 release_region(shost->io_port, shost->n_io_port); 466 release_region(shost->io_port, shost->n_io_port);
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index 607336f56d55..75585a52c88b 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -460,7 +460,8 @@ int __init generic_NCR5380_detect(struct scsi_host_template * tpnt)
460 instance->irq = NCR5380_probe_irq(instance, 0xffff); 460 instance->irq = NCR5380_probe_irq(instance, 0xffff);
461 461
462 if (instance->irq != SCSI_IRQ_NONE) 462 if (instance->irq != SCSI_IRQ_NONE)
463 if (request_irq(instance->irq, generic_NCR5380_intr, IRQF_DISABLED, "NCR5380", instance)) { 463 if (request_irq(instance->irq, generic_NCR5380_intr,
464 IRQF_DISABLED, "NCR5380", instance)) {
464 printk(KERN_WARNING "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq); 465 printk(KERN_WARNING "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
465 instance->irq = SCSI_IRQ_NONE; 466 instance->irq = SCSI_IRQ_NONE;
466 } 467 }
@@ -513,7 +514,7 @@ int generic_NCR5380_release_resources(struct Scsi_Host *instance)
513 NCR5380_setup(instance); 514 NCR5380_setup(instance);
514 515
515 if (instance->irq != SCSI_IRQ_NONE) 516 if (instance->irq != SCSI_IRQ_NONE)
516 free_irq(instance->irq, NULL); 517 free_irq(instance->irq, instance);
517 NCR5380_exit(instance); 518 NCR5380_exit(instance);
518 519
519#ifndef CONFIG_SCSI_G_NCR5380_MEM 520#ifndef CONFIG_SCSI_G_NCR5380_MEM
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 4bcf916c21a7..57ce2251abc8 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -197,7 +197,7 @@ iscsi_tcp_cleanup_ctask(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
197 if (unlikely(!sc)) 197 if (unlikely(!sc))
198 return; 198 return;
199 199
200 tcp_ctask->xmstate = XMSTATE_IDLE; 200 tcp_ctask->xmstate = XMSTATE_VALUE_IDLE;
201 tcp_ctask->r2t = NULL; 201 tcp_ctask->r2t = NULL;
202} 202}
203 203
@@ -409,7 +409,7 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
409 409
410 tcp_ctask->exp_datasn = r2tsn + 1; 410 tcp_ctask->exp_datasn = r2tsn + 1;
411 __kfifo_put(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*)); 411 __kfifo_put(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*));
412 tcp_ctask->xmstate |= XMSTATE_SOL_HDR_INIT; 412 set_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate);
413 list_move_tail(&ctask->running, &conn->xmitqueue); 413 list_move_tail(&ctask->running, &conn->xmitqueue);
414 414
415 scsi_queue_work(session->host, &conn->xmitwork); 415 scsi_queue_work(session->host, &conn->xmitwork);
@@ -1254,7 +1254,7 @@ static void iscsi_set_padding(struct iscsi_tcp_cmd_task *tcp_ctask,
1254 1254
1255 tcp_ctask->pad_count = ISCSI_PAD_LEN - tcp_ctask->pad_count; 1255 tcp_ctask->pad_count = ISCSI_PAD_LEN - tcp_ctask->pad_count;
1256 debug_scsi("write padding %d bytes\n", tcp_ctask->pad_count); 1256 debug_scsi("write padding %d bytes\n", tcp_ctask->pad_count);
1257 tcp_ctask->xmstate |= XMSTATE_W_PAD; 1257 set_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate);
1258} 1258}
1259 1259
1260/** 1260/**
@@ -1269,7 +1269,7 @@ iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask)
1269 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; 1269 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
1270 1270
1271 BUG_ON(__kfifo_len(tcp_ctask->r2tqueue)); 1271 BUG_ON(__kfifo_len(tcp_ctask->r2tqueue));
1272 tcp_ctask->xmstate = XMSTATE_CMD_HDR_INIT; 1272 tcp_ctask->xmstate = 1 << XMSTATE_BIT_CMD_HDR_INIT;
1273} 1273}
1274 1274
1275/** 1275/**
@@ -1283,10 +1283,10 @@ iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask)
1283 * xmit. 1283 * xmit.
1284 * 1284 *
1285 * Management xmit state machine consists of these states: 1285 * Management xmit state machine consists of these states:
1286 * XMSTATE_IMM_HDR_INIT - calculate digest of PDU Header 1286 * XMSTATE_BIT_IMM_HDR_INIT - calculate digest of PDU Header
1287 * XMSTATE_IMM_HDR - PDU Header xmit in progress 1287 * XMSTATE_BIT_IMM_HDR - PDU Header xmit in progress
1288 * XMSTATE_IMM_DATA - PDU Data xmit in progress 1288 * XMSTATE_BIT_IMM_DATA - PDU Data xmit in progress
1289 * XMSTATE_IDLE - management PDU is done 1289 * XMSTATE_VALUE_IDLE - management PDU is done
1290 **/ 1290 **/
1291static int 1291static int
1292iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask) 1292iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
@@ -1297,12 +1297,12 @@ iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
1297 debug_scsi("mtask deq [cid %d state %x itt 0x%x]\n", 1297 debug_scsi("mtask deq [cid %d state %x itt 0x%x]\n",
1298 conn->id, tcp_mtask->xmstate, mtask->itt); 1298 conn->id, tcp_mtask->xmstate, mtask->itt);
1299 1299
1300 if (tcp_mtask->xmstate & XMSTATE_IMM_HDR_INIT) { 1300 if (test_bit(XMSTATE_BIT_IMM_HDR_INIT, &tcp_mtask->xmstate)) {
1301 iscsi_buf_init_iov(&tcp_mtask->headbuf, (char*)mtask->hdr, 1301 iscsi_buf_init_iov(&tcp_mtask->headbuf, (char*)mtask->hdr,
1302 sizeof(struct iscsi_hdr)); 1302 sizeof(struct iscsi_hdr));
1303 1303
1304 if (mtask->data_count) { 1304 if (mtask->data_count) {
1305 tcp_mtask->xmstate |= XMSTATE_IMM_DATA; 1305 set_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate);
1306 iscsi_buf_init_iov(&tcp_mtask->sendbuf, 1306 iscsi_buf_init_iov(&tcp_mtask->sendbuf,
1307 (char*)mtask->data, 1307 (char*)mtask->data,
1308 mtask->data_count); 1308 mtask->data_count);
@@ -1315,21 +1315,20 @@ iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
1315 (u8*)tcp_mtask->hdrext); 1315 (u8*)tcp_mtask->hdrext);
1316 1316
1317 tcp_mtask->sent = 0; 1317 tcp_mtask->sent = 0;
1318 tcp_mtask->xmstate &= ~XMSTATE_IMM_HDR_INIT; 1318 clear_bit(XMSTATE_BIT_IMM_HDR_INIT, &tcp_mtask->xmstate);
1319 tcp_mtask->xmstate |= XMSTATE_IMM_HDR; 1319 set_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate);
1320 } 1320 }
1321 1321
1322 if (tcp_mtask->xmstate & XMSTATE_IMM_HDR) { 1322 if (test_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate)) {
1323 rc = iscsi_sendhdr(conn, &tcp_mtask->headbuf, 1323 rc = iscsi_sendhdr(conn, &tcp_mtask->headbuf,
1324 mtask->data_count); 1324 mtask->data_count);
1325 if (rc) 1325 if (rc)
1326 return rc; 1326 return rc;
1327 tcp_mtask->xmstate &= ~XMSTATE_IMM_HDR; 1327 clear_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate);
1328 } 1328 }
1329 1329
1330 if (tcp_mtask->xmstate & XMSTATE_IMM_DATA) { 1330 if (test_and_clear_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate)) {
1331 BUG_ON(!mtask->data_count); 1331 BUG_ON(!mtask->data_count);
1332 tcp_mtask->xmstate &= ~XMSTATE_IMM_DATA;
1333 /* FIXME: implement. 1332 /* FIXME: implement.
1334 * Virtual buffer could be spreaded across multiple pages... 1333 * Virtual buffer could be spreaded across multiple pages...
1335 */ 1334 */
@@ -1339,13 +1338,13 @@ iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
1339 rc = iscsi_sendpage(conn, &tcp_mtask->sendbuf, 1338 rc = iscsi_sendpage(conn, &tcp_mtask->sendbuf,
1340 &mtask->data_count, &tcp_mtask->sent); 1339 &mtask->data_count, &tcp_mtask->sent);
1341 if (rc) { 1340 if (rc) {
1342 tcp_mtask->xmstate |= XMSTATE_IMM_DATA; 1341 set_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate);
1343 return rc; 1342 return rc;
1344 } 1343 }
1345 } while (mtask->data_count); 1344 } while (mtask->data_count);
1346 } 1345 }
1347 1346
1348 BUG_ON(tcp_mtask->xmstate != XMSTATE_IDLE); 1347 BUG_ON(tcp_mtask->xmstate != XMSTATE_VALUE_IDLE);
1349 if (mtask->hdr->itt == RESERVED_ITT) { 1348 if (mtask->hdr->itt == RESERVED_ITT) {
1350 struct iscsi_session *session = conn->session; 1349 struct iscsi_session *session = conn->session;
1351 1350
@@ -1365,7 +1364,7 @@ iscsi_send_cmd_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1365 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; 1364 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
1366 int rc = 0; 1365 int rc = 0;
1367 1366
1368 if (tcp_ctask->xmstate & XMSTATE_CMD_HDR_INIT) { 1367 if (test_bit(XMSTATE_BIT_CMD_HDR_INIT, &tcp_ctask->xmstate)) {
1369 tcp_ctask->sent = 0; 1368 tcp_ctask->sent = 0;
1370 tcp_ctask->sg_count = 0; 1369 tcp_ctask->sg_count = 0;
1371 tcp_ctask->exp_datasn = 0; 1370 tcp_ctask->exp_datasn = 0;
@@ -1390,21 +1389,21 @@ iscsi_send_cmd_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1390 if (conn->hdrdgst_en) 1389 if (conn->hdrdgst_en)
1391 iscsi_hdr_digest(conn, &tcp_ctask->headbuf, 1390 iscsi_hdr_digest(conn, &tcp_ctask->headbuf,
1392 (u8*)tcp_ctask->hdrext); 1391 (u8*)tcp_ctask->hdrext);
1393 tcp_ctask->xmstate &= ~XMSTATE_CMD_HDR_INIT; 1392 clear_bit(XMSTATE_BIT_CMD_HDR_INIT, &tcp_ctask->xmstate);
1394 tcp_ctask->xmstate |= XMSTATE_CMD_HDR_XMIT; 1393 set_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate);
1395 } 1394 }
1396 1395
1397 if (tcp_ctask->xmstate & XMSTATE_CMD_HDR_XMIT) { 1396 if (test_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate)) {
1398 rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->imm_count); 1397 rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->imm_count);
1399 if (rc) 1398 if (rc)
1400 return rc; 1399 return rc;
1401 tcp_ctask->xmstate &= ~XMSTATE_CMD_HDR_XMIT; 1400 clear_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate);
1402 1401
1403 if (sc->sc_data_direction != DMA_TO_DEVICE) 1402 if (sc->sc_data_direction != DMA_TO_DEVICE)
1404 return 0; 1403 return 0;
1405 1404
1406 if (ctask->imm_count) { 1405 if (ctask->imm_count) {
1407 tcp_ctask->xmstate |= XMSTATE_IMM_DATA; 1406 set_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate);
1408 iscsi_set_padding(tcp_ctask, ctask->imm_count); 1407 iscsi_set_padding(tcp_ctask, ctask->imm_count);
1409 1408
1410 if (ctask->conn->datadgst_en) { 1409 if (ctask->conn->datadgst_en) {
@@ -1414,9 +1413,10 @@ iscsi_send_cmd_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1414 } 1413 }
1415 } 1414 }
1416 1415
1417 if (ctask->unsol_count) 1416 if (ctask->unsol_count) {
1418 tcp_ctask->xmstate |= 1417 set_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate);
1419 XMSTATE_UNS_HDR | XMSTATE_UNS_INIT; 1418 set_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate);
1419 }
1420 } 1420 }
1421 return rc; 1421 return rc;
1422} 1422}
@@ -1428,25 +1428,25 @@ iscsi_send_padding(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1428 struct iscsi_tcp_conn *tcp_conn = conn->dd_data; 1428 struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
1429 int sent = 0, rc; 1429 int sent = 0, rc;
1430 1430
1431 if (tcp_ctask->xmstate & XMSTATE_W_PAD) { 1431 if (test_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate)) {
1432 iscsi_buf_init_iov(&tcp_ctask->sendbuf, (char*)&tcp_ctask->pad, 1432 iscsi_buf_init_iov(&tcp_ctask->sendbuf, (char*)&tcp_ctask->pad,
1433 tcp_ctask->pad_count); 1433 tcp_ctask->pad_count);
1434 if (conn->datadgst_en) 1434 if (conn->datadgst_en)
1435 crypto_hash_update(&tcp_conn->tx_hash, 1435 crypto_hash_update(&tcp_conn->tx_hash,
1436 &tcp_ctask->sendbuf.sg, 1436 &tcp_ctask->sendbuf.sg,
1437 tcp_ctask->sendbuf.sg.length); 1437 tcp_ctask->sendbuf.sg.length);
1438 } else if (!(tcp_ctask->xmstate & XMSTATE_W_RESEND_PAD)) 1438 } else if (!test_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate))
1439 return 0; 1439 return 0;
1440 1440
1441 tcp_ctask->xmstate &= ~XMSTATE_W_PAD; 1441 clear_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate);
1442 tcp_ctask->xmstate &= ~XMSTATE_W_RESEND_PAD; 1442 clear_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate);
1443 debug_scsi("sending %d pad bytes for itt 0x%x\n", 1443 debug_scsi("sending %d pad bytes for itt 0x%x\n",
1444 tcp_ctask->pad_count, ctask->itt); 1444 tcp_ctask->pad_count, ctask->itt);
1445 rc = iscsi_sendpage(conn, &tcp_ctask->sendbuf, &tcp_ctask->pad_count, 1445 rc = iscsi_sendpage(conn, &tcp_ctask->sendbuf, &tcp_ctask->pad_count,
1446 &sent); 1446 &sent);
1447 if (rc) { 1447 if (rc) {
1448 debug_scsi("padding send failed %d\n", rc); 1448 debug_scsi("padding send failed %d\n", rc);
1449 tcp_ctask->xmstate |= XMSTATE_W_RESEND_PAD; 1449 set_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate);
1450 } 1450 }
1451 return rc; 1451 return rc;
1452} 1452}
@@ -1465,11 +1465,11 @@ iscsi_send_digest(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
1465 tcp_ctask = ctask->dd_data; 1465 tcp_ctask = ctask->dd_data;
1466 tcp_conn = conn->dd_data; 1466 tcp_conn = conn->dd_data;
1467 1467
1468 if (!(tcp_ctask->xmstate & XMSTATE_W_RESEND_DATA_DIGEST)) { 1468 if (!test_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate)) {
1469 crypto_hash_final(&tcp_conn->tx_hash, (u8*)digest); 1469 crypto_hash_final(&tcp_conn->tx_hash, (u8*)digest);
1470 iscsi_buf_init_iov(buf, (char*)digest, 4); 1470 iscsi_buf_init_iov(buf, (char*)digest, 4);
1471 } 1471 }
1472 tcp_ctask->xmstate &= ~XMSTATE_W_RESEND_DATA_DIGEST; 1472 clear_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate);
1473 1473
1474 rc = iscsi_sendpage(conn, buf, &tcp_ctask->digest_count, &sent); 1474 rc = iscsi_sendpage(conn, buf, &tcp_ctask->digest_count, &sent);
1475 if (!rc) 1475 if (!rc)
@@ -1478,7 +1478,7 @@ iscsi_send_digest(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
1478 else { 1478 else {
1479 debug_scsi("sending digest 0x%x failed for itt 0x%x!\n", 1479 debug_scsi("sending digest 0x%x failed for itt 0x%x!\n",
1480 *digest, ctask->itt); 1480 *digest, ctask->itt);
1481 tcp_ctask->xmstate |= XMSTATE_W_RESEND_DATA_DIGEST; 1481 set_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate);
1482 } 1482 }
1483 return rc; 1483 return rc;
1484} 1484}
@@ -1526,8 +1526,8 @@ iscsi_send_unsol_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1526 struct iscsi_data_task *dtask; 1526 struct iscsi_data_task *dtask;
1527 int rc; 1527 int rc;
1528 1528
1529 tcp_ctask->xmstate |= XMSTATE_UNS_DATA; 1529 set_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate);
1530 if (tcp_ctask->xmstate & XMSTATE_UNS_INIT) { 1530 if (test_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate)) {
1531 dtask = &tcp_ctask->unsol_dtask; 1531 dtask = &tcp_ctask->unsol_dtask;
1532 1532
1533 iscsi_prep_unsolicit_data_pdu(ctask, &dtask->hdr); 1533 iscsi_prep_unsolicit_data_pdu(ctask, &dtask->hdr);
@@ -1537,14 +1537,14 @@ iscsi_send_unsol_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1537 iscsi_hdr_digest(conn, &tcp_ctask->headbuf, 1537 iscsi_hdr_digest(conn, &tcp_ctask->headbuf,
1538 (u8*)dtask->hdrext); 1538 (u8*)dtask->hdrext);
1539 1539
1540 tcp_ctask->xmstate &= ~XMSTATE_UNS_INIT; 1540 clear_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate);
1541 iscsi_set_padding(tcp_ctask, ctask->data_count); 1541 iscsi_set_padding(tcp_ctask, ctask->data_count);
1542 } 1542 }
1543 1543
1544 rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->data_count); 1544 rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->data_count);
1545 if (rc) { 1545 if (rc) {
1546 tcp_ctask->xmstate &= ~XMSTATE_UNS_DATA; 1546 clear_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate);
1547 tcp_ctask->xmstate |= XMSTATE_UNS_HDR; 1547 set_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate);
1548 return rc; 1548 return rc;
1549 } 1549 }
1550 1550
@@ -1565,16 +1565,15 @@ iscsi_send_unsol_pdu(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1565 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; 1565 struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
1566 int rc; 1566 int rc;
1567 1567
1568 if (tcp_ctask->xmstate & XMSTATE_UNS_HDR) { 1568 if (test_and_clear_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate)) {
1569 BUG_ON(!ctask->unsol_count); 1569 BUG_ON(!ctask->unsol_count);
1570 tcp_ctask->xmstate &= ~XMSTATE_UNS_HDR;
1571send_hdr: 1570send_hdr:
1572 rc = iscsi_send_unsol_hdr(conn, ctask); 1571 rc = iscsi_send_unsol_hdr(conn, ctask);
1573 if (rc) 1572 if (rc)
1574 return rc; 1573 return rc;
1575 } 1574 }
1576 1575
1577 if (tcp_ctask->xmstate & XMSTATE_UNS_DATA) { 1576 if (test_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate)) {
1578 struct iscsi_data_task *dtask = &tcp_ctask->unsol_dtask; 1577 struct iscsi_data_task *dtask = &tcp_ctask->unsol_dtask;
1579 int start = tcp_ctask->sent; 1578 int start = tcp_ctask->sent;
1580 1579
@@ -1584,14 +1583,14 @@ send_hdr:
1584 ctask->unsol_count -= tcp_ctask->sent - start; 1583 ctask->unsol_count -= tcp_ctask->sent - start;
1585 if (rc) 1584 if (rc)
1586 return rc; 1585 return rc;
1587 tcp_ctask->xmstate &= ~XMSTATE_UNS_DATA; 1586 clear_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate);
1588 /* 1587 /*
1589 * Done with the Data-Out. Next, check if we need 1588 * Done with the Data-Out. Next, check if we need
1590 * to send another unsolicited Data-Out. 1589 * to send another unsolicited Data-Out.
1591 */ 1590 */
1592 if (ctask->unsol_count) { 1591 if (ctask->unsol_count) {
1593 debug_scsi("sending more uns\n"); 1592 debug_scsi("sending more uns\n");
1594 tcp_ctask->xmstate |= XMSTATE_UNS_INIT; 1593 set_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate);
1595 goto send_hdr; 1594 goto send_hdr;
1596 } 1595 }
1597 } 1596 }
@@ -1607,7 +1606,7 @@ static int iscsi_send_sol_pdu(struct iscsi_conn *conn,
1607 struct iscsi_data_task *dtask; 1606 struct iscsi_data_task *dtask;
1608 int left, rc; 1607 int left, rc;
1609 1608
1610 if (tcp_ctask->xmstate & XMSTATE_SOL_HDR_INIT) { 1609 if (test_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate)) {
1611 if (!tcp_ctask->r2t) { 1610 if (!tcp_ctask->r2t) {
1612 spin_lock_bh(&session->lock); 1611 spin_lock_bh(&session->lock);
1613 __kfifo_get(tcp_ctask->r2tqueue, (void*)&tcp_ctask->r2t, 1612 __kfifo_get(tcp_ctask->r2tqueue, (void*)&tcp_ctask->r2t,
@@ -1621,19 +1620,19 @@ send_hdr:
1621 if (conn->hdrdgst_en) 1620 if (conn->hdrdgst_en)
1622 iscsi_hdr_digest(conn, &r2t->headbuf, 1621 iscsi_hdr_digest(conn, &r2t->headbuf,
1623 (u8*)dtask->hdrext); 1622 (u8*)dtask->hdrext);
1624 tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR_INIT; 1623 clear_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate);
1625 tcp_ctask->xmstate |= XMSTATE_SOL_HDR; 1624 set_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate);
1626 } 1625 }
1627 1626
1628 if (tcp_ctask->xmstate & XMSTATE_SOL_HDR) { 1627 if (test_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate)) {
1629 r2t = tcp_ctask->r2t; 1628 r2t = tcp_ctask->r2t;
1630 dtask = &r2t->dtask; 1629 dtask = &r2t->dtask;
1631 1630
1632 rc = iscsi_sendhdr(conn, &r2t->headbuf, r2t->data_count); 1631 rc = iscsi_sendhdr(conn, &r2t->headbuf, r2t->data_count);
1633 if (rc) 1632 if (rc)
1634 return rc; 1633 return rc;
1635 tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR; 1634 clear_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate);
1636 tcp_ctask->xmstate |= XMSTATE_SOL_DATA; 1635 set_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate);
1637 1636
1638 if (conn->datadgst_en) { 1637 if (conn->datadgst_en) {
1639 iscsi_data_digest_init(conn->dd_data, tcp_ctask); 1638 iscsi_data_digest_init(conn->dd_data, tcp_ctask);
@@ -1646,7 +1645,7 @@ send_hdr:
1646 r2t->sent); 1645 r2t->sent);
1647 } 1646 }
1648 1647
1649 if (tcp_ctask->xmstate & XMSTATE_SOL_DATA) { 1648 if (test_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate)) {
1650 r2t = tcp_ctask->r2t; 1649 r2t = tcp_ctask->r2t;
1651 dtask = &r2t->dtask; 1650 dtask = &r2t->dtask;
1652 1651
@@ -1655,7 +1654,7 @@ send_hdr:
1655 &dtask->digestbuf, &dtask->digest); 1654 &dtask->digestbuf, &dtask->digest);
1656 if (rc) 1655 if (rc)
1657 return rc; 1656 return rc;
1658 tcp_ctask->xmstate &= ~XMSTATE_SOL_DATA; 1657 clear_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate);
1659 1658
1660 /* 1659 /*
1661 * Done with this Data-Out. Next, check if we have 1660 * Done with this Data-Out. Next, check if we have
@@ -1700,32 +1699,32 @@ send_hdr:
1700 * xmit stages. 1699 * xmit stages.
1701 * 1700 *
1702 *iscsi_send_cmd_hdr() 1701 *iscsi_send_cmd_hdr()
1703 * XMSTATE_CMD_HDR_INIT - prepare Header and Data buffers Calculate 1702 * XMSTATE_BIT_CMD_HDR_INIT - prepare Header and Data buffers Calculate
1704 * Header Digest 1703 * Header Digest
1705 * XMSTATE_CMD_HDR_XMIT - Transmit header in progress 1704 * XMSTATE_BIT_CMD_HDR_XMIT - Transmit header in progress
1706 * 1705 *
1707 *iscsi_send_padding 1706 *iscsi_send_padding
1708 * XMSTATE_W_PAD - Prepare and send pading 1707 * XMSTATE_BIT_W_PAD - Prepare and send pading
1709 * XMSTATE_W_RESEND_PAD - retry send pading 1708 * XMSTATE_BIT_W_RESEND_PAD - retry send pading
1710 * 1709 *
1711 *iscsi_send_digest 1710 *iscsi_send_digest
1712 * XMSTATE_W_RESEND_DATA_DIGEST - Finalize and send Data Digest 1711 * XMSTATE_BIT_W_RESEND_DATA_DIGEST - Finalize and send Data Digest
1713 * XMSTATE_W_RESEND_DATA_DIGEST - retry sending digest 1712 * XMSTATE_BIT_W_RESEND_DATA_DIGEST - retry sending digest
1714 * 1713 *
1715 *iscsi_send_unsol_hdr 1714 *iscsi_send_unsol_hdr
1716 * XMSTATE_UNS_INIT - prepare un-solicit data header and digest 1715 * XMSTATE_BIT_UNS_INIT - prepare un-solicit data header and digest
1717 * XMSTATE_UNS_HDR - send un-solicit header 1716 * XMSTATE_BIT_UNS_HDR - send un-solicit header
1718 * 1717 *
1719 *iscsi_send_unsol_pdu 1718 *iscsi_send_unsol_pdu
1720 * XMSTATE_UNS_DATA - send un-solicit data in progress 1719 * XMSTATE_BIT_UNS_DATA - send un-solicit data in progress
1721 * 1720 *
1722 *iscsi_send_sol_pdu 1721 *iscsi_send_sol_pdu
1723 * XMSTATE_SOL_HDR_INIT - solicit data header and digest initialize 1722 * XMSTATE_BIT_SOL_HDR_INIT - solicit data header and digest initialize
1724 * XMSTATE_SOL_HDR - send solicit header 1723 * XMSTATE_BIT_SOL_HDR - send solicit header
1725 * XMSTATE_SOL_DATA - send solicit data 1724 * XMSTATE_BIT_SOL_DATA - send solicit data
1726 * 1725 *
1727 *iscsi_tcp_ctask_xmit 1726 *iscsi_tcp_ctask_xmit
1728 * XMSTATE_IMM_DATA - xmit managment data (??) 1727 * XMSTATE_BIT_IMM_DATA - xmit managment data (??)
1729 **/ 1728 **/
1730static int 1729static int
1731iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) 1730iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
@@ -1742,13 +1741,13 @@ iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
1742 if (ctask->sc->sc_data_direction != DMA_TO_DEVICE) 1741 if (ctask->sc->sc_data_direction != DMA_TO_DEVICE)
1743 return 0; 1742 return 0;
1744 1743
1745 if (tcp_ctask->xmstate & XMSTATE_IMM_DATA) { 1744 if (test_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate)) {
1746 rc = iscsi_send_data(ctask, &tcp_ctask->sendbuf, &tcp_ctask->sg, 1745 rc = iscsi_send_data(ctask, &tcp_ctask->sendbuf, &tcp_ctask->sg,
1747 &tcp_ctask->sent, &ctask->imm_count, 1746 &tcp_ctask->sent, &ctask->imm_count,
1748 &tcp_ctask->immbuf, &tcp_ctask->immdigest); 1747 &tcp_ctask->immbuf, &tcp_ctask->immdigest);
1749 if (rc) 1748 if (rc)
1750 return rc; 1749 return rc;
1751 tcp_ctask->xmstate &= ~XMSTATE_IMM_DATA; 1750 clear_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate);
1752 } 1751 }
1753 1752
1754 rc = iscsi_send_unsol_pdu(conn, ctask); 1753 rc = iscsi_send_unsol_pdu(conn, ctask);
@@ -1981,7 +1980,7 @@ static void
1981iscsi_tcp_mgmt_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask) 1980iscsi_tcp_mgmt_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
1982{ 1981{
1983 struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data; 1982 struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data;
1984 tcp_mtask->xmstate = XMSTATE_IMM_HDR_INIT; 1983 tcp_mtask->xmstate = 1 << XMSTATE_BIT_IMM_HDR_INIT;
1985} 1984}
1986 1985
1987static int 1986static int
diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h
index 7eba44df0a7f..68c36cc8997e 100644
--- a/drivers/scsi/iscsi_tcp.h
+++ b/drivers/scsi/iscsi_tcp.h
@@ -32,21 +32,21 @@
32#define IN_PROGRESS_PAD_RECV 0x4 32#define IN_PROGRESS_PAD_RECV 0x4
33 33
34/* xmit state machine */ 34/* xmit state machine */
35#define XMSTATE_IDLE 0x0 35#define XMSTATE_VALUE_IDLE 0
36#define XMSTATE_CMD_HDR_INIT 0x1 36#define XMSTATE_BIT_CMD_HDR_INIT 0
37#define XMSTATE_CMD_HDR_XMIT 0x2 37#define XMSTATE_BIT_CMD_HDR_XMIT 1
38#define XMSTATE_IMM_HDR 0x4 38#define XMSTATE_BIT_IMM_HDR 2
39#define XMSTATE_IMM_DATA 0x8 39#define XMSTATE_BIT_IMM_DATA 3
40#define XMSTATE_UNS_INIT 0x10 40#define XMSTATE_BIT_UNS_INIT 4
41#define XMSTATE_UNS_HDR 0x20 41#define XMSTATE_BIT_UNS_HDR 5
42#define XMSTATE_UNS_DATA 0x40 42#define XMSTATE_BIT_UNS_DATA 6
43#define XMSTATE_SOL_HDR 0x80 43#define XMSTATE_BIT_SOL_HDR 7
44#define XMSTATE_SOL_DATA 0x100 44#define XMSTATE_BIT_SOL_DATA 8
45#define XMSTATE_W_PAD 0x200 45#define XMSTATE_BIT_W_PAD 9
46#define XMSTATE_W_RESEND_PAD 0x400 46#define XMSTATE_BIT_W_RESEND_PAD 10
47#define XMSTATE_W_RESEND_DATA_DIGEST 0x800 47#define XMSTATE_BIT_W_RESEND_DATA_DIGEST 11
48#define XMSTATE_IMM_HDR_INIT 0x1000 48#define XMSTATE_BIT_IMM_HDR_INIT 12
49#define XMSTATE_SOL_HDR_INIT 0x2000 49#define XMSTATE_BIT_SOL_HDR_INIT 13
50 50
51#define ISCSI_PAD_LEN 4 51#define ISCSI_PAD_LEN 4
52#define ISCSI_SG_TABLESIZE SG_ALL 52#define ISCSI_SG_TABLESIZE SG_ALL
@@ -122,7 +122,7 @@ struct iscsi_data_task {
122struct iscsi_tcp_mgmt_task { 122struct iscsi_tcp_mgmt_task {
123 struct iscsi_hdr hdr; 123 struct iscsi_hdr hdr;
124 char hdrext[sizeof(__u32)]; /* Header-Digest */ 124 char hdrext[sizeof(__u32)]; /* Header-Digest */
125 int xmstate; /* mgmt xmit progress */ 125 unsigned long xmstate; /* mgmt xmit progress */
126 struct iscsi_buf headbuf; /* header buffer */ 126 struct iscsi_buf headbuf; /* header buffer */
127 struct iscsi_buf sendbuf; /* in progress buffer */ 127 struct iscsi_buf sendbuf; /* in progress buffer */
128 int sent; 128 int sent;
@@ -150,7 +150,7 @@ struct iscsi_tcp_cmd_task {
150 int pad_count; /* padded bytes */ 150 int pad_count; /* padded bytes */
151 struct iscsi_buf headbuf; /* header buf (xmit) */ 151 struct iscsi_buf headbuf; /* header buf (xmit) */
152 struct iscsi_buf sendbuf; /* in progress buffer*/ 152 struct iscsi_buf sendbuf; /* in progress buffer*/
153 int xmstate; /* xmit xtate machine */ 153 unsigned long xmstate; /* xmit xtate machine */
154 int sent; 154 int sent;
155 struct scatterlist *sg; /* per-cmd SG list */ 155 struct scatterlist *sg; /* per-cmd SG list */
156 struct scatterlist *bad_sg; /* assert statement */ 156 struct scatterlist *bad_sg; /* assert statement */
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index efceed451b46..8b57af5baaec 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -291,9 +291,6 @@ invalid_datalen:
291 min_t(uint16_t, senselen, SCSI_SENSE_BUFFERSIZE)); 291 min_t(uint16_t, senselen, SCSI_SENSE_BUFFERSIZE));
292 } 292 }
293 293
294 if (sc->sc_data_direction == DMA_TO_DEVICE)
295 goto out;
296
297 if (rhdr->flags & ISCSI_FLAG_CMD_UNDERFLOW) { 294 if (rhdr->flags & ISCSI_FLAG_CMD_UNDERFLOW) {
298 int res_count = be32_to_cpu(rhdr->residual_count); 295 int res_count = be32_to_cpu(rhdr->residual_count);
299 296
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index abe2bda6ac37..3b09ab21d701 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -303,7 +303,7 @@ int macscsi_detect(struct scsi_host_template * tpnt)
303 303
304 if (instance->irq != SCSI_IRQ_NONE) 304 if (instance->irq != SCSI_IRQ_NONE)
305 if (request_irq(instance->irq, NCR5380_intr, IRQ_FLG_SLOW, 305 if (request_irq(instance->irq, NCR5380_intr, IRQ_FLG_SLOW,
306 "ncr5380", instance)) { 306 "ncr5380", instance)) {
307 printk(KERN_WARNING "scsi%d: IRQ%d not free, interrupts disabled\n", 307 printk(KERN_WARNING "scsi%d: IRQ%d not free, interrupts disabled\n",
308 instance->host_no, instance->irq); 308 instance->host_no, instance->irq);
309 instance->irq = SCSI_IRQ_NONE; 309 instance->irq = SCSI_IRQ_NONE;
@@ -326,7 +326,7 @@ int macscsi_detect(struct scsi_host_template * tpnt)
326int macscsi_release (struct Scsi_Host *shpnt) 326int macscsi_release (struct Scsi_Host *shpnt)
327{ 327{
328 if (shpnt->irq != SCSI_IRQ_NONE) 328 if (shpnt->irq != SCSI_IRQ_NONE)
329 free_irq (shpnt->irq, NCR5380_intr); 329 free_irq(shpnt->irq, shpnt);
330 NCR5380_exit(shpnt); 330 NCR5380_exit(shpnt);
331 331
332 return 0; 332 return 0;
diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c
index ee5965659971..f2018b46f494 100644
--- a/drivers/scsi/pas16.c
+++ b/drivers/scsi/pas16.c
@@ -453,7 +453,8 @@ int __init pas16_detect(struct scsi_host_template * tpnt)
453 instance->irq = NCR5380_probe_irq(instance, PAS16_IRQS); 453 instance->irq = NCR5380_probe_irq(instance, PAS16_IRQS);
454 454
455 if (instance->irq != SCSI_IRQ_NONE) 455 if (instance->irq != SCSI_IRQ_NONE)
456 if (request_irq(instance->irq, pas16_intr, IRQF_DISABLED, "pas16", instance)) { 456 if (request_irq(instance->irq, pas16_intr, IRQF_DISABLED,
457 "pas16", instance)) {
457 printk("scsi%d : IRQ%d not free, interrupts disabled\n", 458 printk("scsi%d : IRQ%d not free, interrupts disabled\n",
458 instance->host_no, instance->irq); 459 instance->host_no, instance->irq);
459 instance->irq = SCSI_IRQ_NONE; 460 instance->irq = SCSI_IRQ_NONE;
@@ -604,7 +605,7 @@ static inline int NCR5380_pwrite (struct Scsi_Host *instance, unsigned char *src
604static int pas16_release(struct Scsi_Host *shost) 605static int pas16_release(struct Scsi_Host *shost)
605{ 606{
606 if (shost->irq) 607 if (shost->irq)
607 free_irq(shost->irq, NULL); 608 free_irq(shost->irq, shost);
608 NCR5380_exit(shost); 609 NCR5380_exit(shost);
609 if (shost->dma_channel != 0xff) 610 if (shost->dma_channel != 0xff)
610 free_dma(shost->dma_channel); 611 free_dma(shost->dma_channel);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 3aeb68bcb7ac..146d540f6281 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -1310,14 +1310,7 @@ qla1280_done(struct scsi_qla_host *ha)
1310 } 1310 }
1311 1311
1312 /* Release memory used for this I/O */ 1312 /* Release memory used for this I/O */
1313 if (cmd->use_sg) { 1313 scsi_dma_unmap(cmd);
1314 pci_unmap_sg(ha->pdev, cmd->request_buffer,
1315 cmd->use_sg, cmd->sc_data_direction);
1316 } else if (cmd->request_bufflen) {
1317 pci_unmap_single(ha->pdev, sp->saved_dma_handle,
1318 cmd->request_bufflen,
1319 cmd->sc_data_direction);
1320 }
1321 1314
1322 /* Call the mid-level driver interrupt handler */ 1315 /* Call the mid-level driver interrupt handler */
1323 CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE; 1316 CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
@@ -1406,14 +1399,14 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
1406 break; 1399 break;
1407 1400
1408 case CS_DATA_UNDERRUN: 1401 case CS_DATA_UNDERRUN:
1409 if ((cp->request_bufflen - residual_length) < 1402 if ((scsi_bufflen(cp) - residual_length) <
1410 cp->underflow) { 1403 cp->underflow) {
1411 printk(KERN_WARNING 1404 printk(KERN_WARNING
1412 "scsi: Underflow detected - retrying " 1405 "scsi: Underflow detected - retrying "
1413 "command.\n"); 1406 "command.\n");
1414 host_status = DID_ERROR; 1407 host_status = DID_ERROR;
1415 } else { 1408 } else {
1416 cp->resid = residual_length; 1409 scsi_set_resid(cp, residual_length);
1417 host_status = DID_OK; 1410 host_status = DID_OK;
1418 } 1411 }
1419 break; 1412 break;
@@ -2775,33 +2768,28 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
2775 struct device_reg __iomem *reg = ha->iobase; 2768 struct device_reg __iomem *reg = ha->iobase;
2776 struct scsi_cmnd *cmd = sp->cmd; 2769 struct scsi_cmnd *cmd = sp->cmd;
2777 cmd_a64_entry_t *pkt; 2770 cmd_a64_entry_t *pkt;
2778 struct scatterlist *sg = NULL, *s;
2779 __le32 *dword_ptr; 2771 __le32 *dword_ptr;
2780 dma_addr_t dma_handle; 2772 dma_addr_t dma_handle;
2781 int status = 0; 2773 int status = 0;
2782 int cnt; 2774 int cnt;
2783 int req_cnt; 2775 int req_cnt;
2784 u16 seg_cnt; 2776 int seg_cnt;
2785 u8 dir; 2777 u8 dir;
2786 2778
2787 ENTER("qla1280_64bit_start_scsi:"); 2779 ENTER("qla1280_64bit_start_scsi:");
2788 2780
2789 /* Calculate number of entries and segments required. */ 2781 /* Calculate number of entries and segments required. */
2790 req_cnt = 1; 2782 req_cnt = 1;
2791 if (cmd->use_sg) { 2783 seg_cnt = scsi_dma_map(cmd);
2792 sg = (struct scatterlist *) cmd->request_buffer; 2784 if (seg_cnt > 0) {
2793 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
2794 cmd->sc_data_direction);
2795
2796 if (seg_cnt > 2) { 2785 if (seg_cnt > 2) {
2797 req_cnt += (seg_cnt - 2) / 5; 2786 req_cnt += (seg_cnt - 2) / 5;
2798 if ((seg_cnt - 2) % 5) 2787 if ((seg_cnt - 2) % 5)
2799 req_cnt++; 2788 req_cnt++;
2800 } 2789 }
2801 } else if (cmd->request_bufflen) { /* If data transfer. */ 2790 } else if (seg_cnt < 0) {
2802 seg_cnt = 1; 2791 status = 1;
2803 } else { 2792 goto out;
2804 seg_cnt = 0;
2805 } 2793 }
2806 2794
2807 if ((req_cnt + 2) >= ha->req_q_cnt) { 2795 if ((req_cnt + 2) >= ha->req_q_cnt) {
@@ -2889,124 +2877,104 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
2889 * Load data segments. 2877 * Load data segments.
2890 */ 2878 */
2891 if (seg_cnt) { /* If data transfer. */ 2879 if (seg_cnt) { /* If data transfer. */
2880 struct scatterlist *sg, *s;
2892 int remseg = seg_cnt; 2881 int remseg = seg_cnt;
2882
2883 sg = scsi_sglist(cmd);
2884
2893 /* Setup packet address segment pointer. */ 2885 /* Setup packet address segment pointer. */
2894 dword_ptr = (u32 *)&pkt->dseg_0_address; 2886 dword_ptr = (u32 *)&pkt->dseg_0_address;
2895 2887
2896 if (cmd->use_sg) { /* If scatter gather */ 2888 /* Load command entry data segments. */
2897 /* Load command entry data segments. */ 2889 for_each_sg(sg, s, seg_cnt, cnt) {
2898 for_each_sg(sg, s, seg_cnt, cnt) { 2890 if (cnt == 2)
2899 if (cnt == 2) 2891 break;
2892
2893 dma_handle = sg_dma_address(s);
2894#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2895 if (ha->flags.use_pci_vchannel)
2896 sn_pci_set_vchan(ha->pdev,
2897 (unsigned long *)&dma_handle,
2898 SCSI_BUS_32(cmd));
2899#endif
2900 *dword_ptr++ =
2901 cpu_to_le32(pci_dma_lo32(dma_handle));
2902 *dword_ptr++ =
2903 cpu_to_le32(pci_dma_hi32(dma_handle));
2904 *dword_ptr++ = cpu_to_le32(sg_dma_len(s));
2905 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
2906 cpu_to_le32(pci_dma_hi32(dma_handle)),
2907 cpu_to_le32(pci_dma_lo32(dma_handle)),
2908 cpu_to_le32(sg_dma_len(sg_next(s))));
2909 remseg--;
2910 }
2911 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
2912 "command packet data - b %i, t %i, l %i \n",
2913 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
2914 SCSI_LUN_32(cmd));
2915 qla1280_dump_buffer(5, (char *)pkt,
2916 REQUEST_ENTRY_SIZE);
2917
2918 /*
2919 * Build continuation packets.
2920 */
2921 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
2922 "remains\n", seg_cnt);
2923
2924 while (remseg > 0) {
2925 /* Update sg start */
2926 sg = s;
2927 /* Adjust ring index. */
2928 ha->req_ring_index++;
2929 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
2930 ha->req_ring_index = 0;
2931 ha->request_ring_ptr =
2932 ha->request_ring;
2933 } else
2934 ha->request_ring_ptr++;
2935
2936 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
2937
2938 /* Zero out packet. */
2939 memset(pkt, 0, REQUEST_ENTRY_SIZE);
2940
2941 /* Load packet defaults. */
2942 ((struct cont_a64_entry *) pkt)->entry_type =
2943 CONTINUE_A64_TYPE;
2944 ((struct cont_a64_entry *) pkt)->entry_count = 1;
2945 ((struct cont_a64_entry *) pkt)->sys_define =
2946 (uint8_t)ha->req_ring_index;
2947 /* Setup packet address segment pointer. */
2948 dword_ptr =
2949 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
2950
2951 /* Load continuation entry data segments. */
2952 for_each_sg(sg, s, remseg, cnt) {
2953 if (cnt == 5)
2900 break; 2954 break;
2901 dma_handle = sg_dma_address(s); 2955 dma_handle = sg_dma_address(s);
2902#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 2956#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2903 if (ha->flags.use_pci_vchannel) 2957 if (ha->flags.use_pci_vchannel)
2904 sn_pci_set_vchan(ha->pdev, 2958 sn_pci_set_vchan(ha->pdev,
2905 (unsigned long *)&dma_handle, 2959 (unsigned long *)&dma_handle,
2906 SCSI_BUS_32(cmd)); 2960 SCSI_BUS_32(cmd));
2907#endif 2961#endif
2908 *dword_ptr++ = 2962 *dword_ptr++ =
2909 cpu_to_le32(pci_dma_lo32(dma_handle)); 2963 cpu_to_le32(pci_dma_lo32(dma_handle));
2910 *dword_ptr++ = 2964 *dword_ptr++ =
2911 cpu_to_le32(pci_dma_hi32(dma_handle)); 2965 cpu_to_le32(pci_dma_hi32(dma_handle));
2912 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 2966 *dword_ptr++ =
2913 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", 2967 cpu_to_le32(sg_dma_len(s));
2968 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
2914 cpu_to_le32(pci_dma_hi32(dma_handle)), 2969 cpu_to_le32(pci_dma_hi32(dma_handle)),
2915 cpu_to_le32(pci_dma_lo32(dma_handle)), 2970 cpu_to_le32(pci_dma_lo32(dma_handle)),
2916 cpu_to_le32(sg_dma_len(sg_next(s)))); 2971 cpu_to_le32(sg_dma_len(s)));
2917 remseg--;
2918 } 2972 }
2919 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " 2973 remseg -= cnt;
2920 "command packet data - b %i, t %i, l %i \n", 2974 dprintk(5, "qla1280_64bit_start_scsi: "
2921 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), 2975 "continuation packet data - b %i, t "
2922 SCSI_LUN_32(cmd)); 2976 "%i, l %i \n", SCSI_BUS_32(cmd),
2923 qla1280_dump_buffer(5, (char *)pkt, 2977 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
2924 REQUEST_ENTRY_SIZE);
2925
2926 /*
2927 * Build continuation packets.
2928 */
2929 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
2930 "remains\n", seg_cnt);
2931
2932 while (remseg > 0) {
2933 /* Update sg start */
2934 sg = s;
2935 /* Adjust ring index. */
2936 ha->req_ring_index++;
2937 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
2938 ha->req_ring_index = 0;
2939 ha->request_ring_ptr =
2940 ha->request_ring;
2941 } else
2942 ha->request_ring_ptr++;
2943
2944 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
2945
2946 /* Zero out packet. */
2947 memset(pkt, 0, REQUEST_ENTRY_SIZE);
2948
2949 /* Load packet defaults. */
2950 ((struct cont_a64_entry *) pkt)->entry_type =
2951 CONTINUE_A64_TYPE;
2952 ((struct cont_a64_entry *) pkt)->entry_count = 1;
2953 ((struct cont_a64_entry *) pkt)->sys_define =
2954 (uint8_t)ha->req_ring_index;
2955 /* Setup packet address segment pointer. */
2956 dword_ptr =
2957 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
2958
2959 /* Load continuation entry data segments. */
2960 for_each_sg(sg, s, remseg, cnt) {
2961 if (cnt == 5)
2962 break;
2963 dma_handle = sg_dma_address(s);
2964#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2965 if (ha->flags.use_pci_vchannel)
2966 sn_pci_set_vchan(ha->pdev,
2967 (unsigned long *)&dma_handle,
2968 SCSI_BUS_32(cmd));
2969#endif
2970 *dword_ptr++ =
2971 cpu_to_le32(pci_dma_lo32(dma_handle));
2972 *dword_ptr++ =
2973 cpu_to_le32(pci_dma_hi32(dma_handle));
2974 *dword_ptr++ =
2975 cpu_to_le32(sg_dma_len(s));
2976 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
2977 cpu_to_le32(pci_dma_hi32(dma_handle)),
2978 cpu_to_le32(pci_dma_lo32(dma_handle)),
2979 cpu_to_le32(sg_dma_len(s)));
2980 }
2981 remseg -= cnt;
2982 dprintk(5, "qla1280_64bit_start_scsi: "
2983 "continuation packet data - b %i, t "
2984 "%i, l %i \n", SCSI_BUS_32(cmd),
2985 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
2986 qla1280_dump_buffer(5, (char *)pkt,
2987 REQUEST_ENTRY_SIZE);
2988 }
2989 } else { /* No scatter gather data transfer */
2990 dma_handle = pci_map_single(ha->pdev,
2991 cmd->request_buffer,
2992 cmd->request_bufflen,
2993 cmd->sc_data_direction);
2994
2995 sp->saved_dma_handle = dma_handle;
2996#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2997 if (ha->flags.use_pci_vchannel)
2998 sn_pci_set_vchan(ha->pdev,
2999 (unsigned long *)&dma_handle,
3000 SCSI_BUS_32(cmd));
3001#endif
3002 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3003 *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle));
3004 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3005
3006 dprintk(5, "qla1280_64bit_start_scsi: No scatter/"
3007 "gather command packet data - b %i, t %i, "
3008 "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
3009 SCSI_LUN_32(cmd));
3010 qla1280_dump_buffer(5, (char *)pkt, 2978 qla1280_dump_buffer(5, (char *)pkt,
3011 REQUEST_ENTRY_SIZE); 2979 REQUEST_ENTRY_SIZE);
3012 } 2980 }
@@ -3068,12 +3036,11 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3068 struct device_reg __iomem *reg = ha->iobase; 3036 struct device_reg __iomem *reg = ha->iobase;
3069 struct scsi_cmnd *cmd = sp->cmd; 3037 struct scsi_cmnd *cmd = sp->cmd;
3070 struct cmd_entry *pkt; 3038 struct cmd_entry *pkt;
3071 struct scatterlist *sg = NULL, *s;
3072 __le32 *dword_ptr; 3039 __le32 *dword_ptr;
3073 int status = 0; 3040 int status = 0;
3074 int cnt; 3041 int cnt;
3075 int req_cnt; 3042 int req_cnt;
3076 uint16_t seg_cnt; 3043 int seg_cnt;
3077 dma_addr_t dma_handle; 3044 dma_addr_t dma_handle;
3078 u8 dir; 3045 u8 dir;
3079 3046
@@ -3083,18 +3050,8 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3083 cmd->cmnd[0]); 3050 cmd->cmnd[0]);
3084 3051
3085 /* Calculate number of entries and segments required. */ 3052 /* Calculate number of entries and segments required. */
3086 req_cnt = 1; 3053 seg_cnt = scsi_dma_map(cmd);
3087 if (cmd->use_sg) { 3054 if (seg_cnt) {
3088 /*
3089 * We must build an SG list in adapter format, as the kernel's
3090 * SG list cannot be used directly because of data field size
3091 * (__alpha__) differences and the kernel SG list uses virtual
3092 * addresses where we need physical addresses.
3093 */
3094 sg = (struct scatterlist *) cmd->request_buffer;
3095 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
3096 cmd->sc_data_direction);
3097
3098 /* 3055 /*
3099 * if greater than four sg entries then we need to allocate 3056 * if greater than four sg entries then we need to allocate
3100 * continuation entries 3057 * continuation entries
@@ -3106,14 +3063,9 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3106 } 3063 }
3107 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", 3064 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n",
3108 cmd, seg_cnt, req_cnt); 3065 cmd, seg_cnt, req_cnt);
3109 } else if (cmd->request_bufflen) { /* If data transfer. */ 3066 } else if (seg_cnt < 0) {
3110 dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n", 3067 status = 1;
3111 SCSI_TCN_32(cmd), cmd, cmd->request_bufflen, 3068 goto out;
3112 cmd->cmnd[0]);
3113 seg_cnt = 1;
3114 } else {
3115 /* dprintk(1, "No data transfer \n"); */
3116 seg_cnt = 0;
3117 } 3069 }
3118 3070
3119 if ((req_cnt + 2) >= ha->req_q_cnt) { 3071 if ((req_cnt + 2) >= ha->req_q_cnt) {
@@ -3194,91 +3146,84 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3194 * Load data segments. 3146 * Load data segments.
3195 */ 3147 */
3196 if (seg_cnt) { 3148 if (seg_cnt) {
3149 struct scatterlist *sg, *s;
3197 int remseg = seg_cnt; 3150 int remseg = seg_cnt;
3151
3152 sg = scsi_sglist(cmd);
3153
3198 /* Setup packet address segment pointer. */ 3154 /* Setup packet address segment pointer. */
3199 dword_ptr = &pkt->dseg_0_address; 3155 dword_ptr = &pkt->dseg_0_address;
3200 3156
3201 if (cmd->use_sg) { /* If scatter gather */ 3157 dprintk(3, "Building S/G data segments..\n");
3202 dprintk(3, "Building S/G data segments..\n"); 3158 qla1280_dump_buffer(1, (char *)sg, 4 * 16);
3203 qla1280_dump_buffer(1, (char *)sg, 4 * 16); 3159
3160 /* Load command entry data segments. */
3161 for_each_sg(sg, s, seg_cnt, cnt) {
3162 if (cnt == 4)
3163 break;
3164 *dword_ptr++ =
3165 cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
3166 *dword_ptr++ = cpu_to_le32(sg_dma_len(s));
3167 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
3168 (pci_dma_lo32(sg_dma_address(s))),
3169 (sg_dma_len(s)));
3170 remseg--;
3171 }
3172 /*
3173 * Build continuation packets.
3174 */
3175 dprintk(3, "S/G Building Continuation"
3176 "...seg_cnt=0x%x remains\n", seg_cnt);
3177 while (remseg > 0) {
3178 /* Continue from end point */
3179 sg = s;
3180 /* Adjust ring index. */
3181 ha->req_ring_index++;
3182 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3183 ha->req_ring_index = 0;
3184 ha->request_ring_ptr =
3185 ha->request_ring;
3186 } else
3187 ha->request_ring_ptr++;
3188
3189 pkt = (struct cmd_entry *)ha->request_ring_ptr;
3190
3191 /* Zero out packet. */
3192 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3193
3194 /* Load packet defaults. */
3195 ((struct cont_entry *) pkt)->
3196 entry_type = CONTINUE_TYPE;
3197 ((struct cont_entry *) pkt)->entry_count = 1;
3204 3198
3205 /* Load command entry data segments. */ 3199 ((struct cont_entry *) pkt)->sys_define =
3206 for_each_sg(sg, s, seg_cnt, cnt) { 3200 (uint8_t) ha->req_ring_index;
3207 if (cnt == 4) 3201
3202 /* Setup packet address segment pointer. */
3203 dword_ptr =
3204 &((struct cont_entry *) pkt)->dseg_0_address;
3205
3206 /* Load continuation entry data segments. */
3207 for_each_sg(sg, s, remseg, cnt) {
3208 if (cnt == 7)
3208 break; 3209 break;
3209 *dword_ptr++ = 3210 *dword_ptr++ =
3210 cpu_to_le32(pci_dma_lo32(sg_dma_address(s))); 3211 cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
3211 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 3212 *dword_ptr++ =
3212 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", 3213 cpu_to_le32(sg_dma_len(s));
3213 (pci_dma_lo32(sg_dma_address(s))), 3214 dprintk(1,
3214 (sg_dma_len(s))); 3215 "S/G Segment Cont. phys_addr=0x%x, "
3215 remseg--; 3216 "len=0x%x\n",
3216 } 3217 cpu_to_le32(pci_dma_lo32(sg_dma_address(s))),
3217 /* 3218 cpu_to_le32(sg_dma_len(s)));
3218 * Build continuation packets.
3219 */
3220 dprintk(3, "S/G Building Continuation"
3221 "...seg_cnt=0x%x remains\n", seg_cnt);
3222 while (remseg > 0) {
3223 /* Continue from end point */
3224 sg = s;
3225 /* Adjust ring index. */
3226 ha->req_ring_index++;
3227 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3228 ha->req_ring_index = 0;
3229 ha->request_ring_ptr =
3230 ha->request_ring;
3231 } else
3232 ha->request_ring_ptr++;
3233
3234 pkt = (struct cmd_entry *)ha->request_ring_ptr;
3235
3236 /* Zero out packet. */
3237 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3238
3239 /* Load packet defaults. */
3240 ((struct cont_entry *) pkt)->
3241 entry_type = CONTINUE_TYPE;
3242 ((struct cont_entry *) pkt)->entry_count = 1;
3243
3244 ((struct cont_entry *) pkt)->sys_define =
3245 (uint8_t) ha->req_ring_index;
3246
3247 /* Setup packet address segment pointer. */
3248 dword_ptr =
3249 &((struct cont_entry *) pkt)->dseg_0_address;
3250
3251 /* Load continuation entry data segments. */
3252 for_each_sg(sg, s, remseg, cnt) {
3253 if (cnt == 7)
3254 break;
3255 *dword_ptr++ =
3256 cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
3257 *dword_ptr++ =
3258 cpu_to_le32(sg_dma_len(s));
3259 dprintk(1,
3260 "S/G Segment Cont. phys_addr=0x%x, "
3261 "len=0x%x\n",
3262 cpu_to_le32(pci_dma_lo32(sg_dma_address(s))),
3263 cpu_to_le32(sg_dma_len(s)));
3264 }
3265 remseg -= cnt;
3266 dprintk(5, "qla1280_32bit_start_scsi: "
3267 "continuation packet data - "
3268 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
3269 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3270 qla1280_dump_buffer(5, (char *)pkt,
3271 REQUEST_ENTRY_SIZE);
3272 } 3219 }
3273 } else { /* No S/G data transfer */ 3220 remseg -= cnt;
3274 dma_handle = pci_map_single(ha->pdev, 3221 dprintk(5, "qla1280_32bit_start_scsi: "
3275 cmd->request_buffer, 3222 "continuation packet data - "
3276 cmd->request_bufflen, 3223 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
3277 cmd->sc_data_direction); 3224 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3278 sp->saved_dma_handle = dma_handle; 3225 qla1280_dump_buffer(5, (char *)pkt,
3279 3226 REQUEST_ENTRY_SIZE);
3280 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3281 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3282 } 3227 }
3283 } else { /* No data transfer at all */ 3228 } else { /* No data transfer at all */
3284 dprintk(5, "qla1280_32bit_start_scsi: No data, command " 3229 dprintk(5, "qla1280_32bit_start_scsi: No data, command "
@@ -4086,9 +4031,9 @@ __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
4086 for (i = 0; i < cmd->cmd_len; i++) { 4031 for (i = 0; i < cmd->cmd_len; i++) {
4087 printk("0x%02x ", cmd->cmnd[i]); 4032 printk("0x%02x ", cmd->cmnd[i]);
4088 } 4033 }
4089 printk(" seg_cnt =%d\n", cmd->use_sg); 4034 printk(" seg_cnt =%d\n", scsi_sg_count(cmd));
4090 printk(" request buffer=0x%p, request buffer len=0x%x\n", 4035 printk(" request buffer=0x%p, request buffer len=0x%x\n",
4091 cmd->request_buffer, cmd->request_bufflen); 4036 scsi_sglist(cmd), scsi_bufflen(cmd));
4092 /* if (cmd->use_sg) 4037 /* if (cmd->use_sg)
4093 { 4038 {
4094 sg = (struct scatterlist *) cmd->request_buffer; 4039 sg = (struct scatterlist *) cmd->request_buffer;
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index 5e46d842c6f9..e606cf0a2eb7 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -268,7 +268,7 @@ int sun3scsi_detect(struct scsi_host_template * tpnt)
268 ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0; 268 ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
269 269
270 if (request_irq(instance->irq, scsi_sun3_intr, 270 if (request_irq(instance->irq, scsi_sun3_intr,
271 0, "Sun3SCSI-5380", NULL)) { 271 0, "Sun3SCSI-5380", instance)) {
272#ifndef REAL_DMA 272#ifndef REAL_DMA
273 printk("scsi%d: IRQ%d not free, interrupts disabled\n", 273 printk("scsi%d: IRQ%d not free, interrupts disabled\n",
274 instance->host_no, instance->irq); 274 instance->host_no, instance->irq);
@@ -310,7 +310,7 @@ int sun3scsi_detect(struct scsi_host_template * tpnt)
310int sun3scsi_release (struct Scsi_Host *shpnt) 310int sun3scsi_release (struct Scsi_Host *shpnt)
311{ 311{
312 if (shpnt->irq != SCSI_IRQ_NONE) 312 if (shpnt->irq != SCSI_IRQ_NONE)
313 free_irq (shpnt->irq, NULL); 313 free_irq(shpnt->irq, shpnt);
314 314
315 iounmap((void *)sun3_scsi_regp); 315 iounmap((void *)sun3_scsi_regp);
316 316
diff --git a/drivers/scsi/sun3_scsi_vme.c b/drivers/scsi/sun3_scsi_vme.c
index 7cb4a31453e6..02d9727f017a 100644
--- a/drivers/scsi/sun3_scsi_vme.c
+++ b/drivers/scsi/sun3_scsi_vme.c
@@ -230,7 +230,7 @@ static int sun3scsi_detect(struct scsi_host_template * tpnt)
230 ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0; 230 ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
231 231
232 if (request_irq(instance->irq, scsi_sun3_intr, 232 if (request_irq(instance->irq, scsi_sun3_intr,
233 0, "Sun3SCSI-5380VME", NULL)) { 233 0, "Sun3SCSI-5380VME", instance)) {
234#ifndef REAL_DMA 234#ifndef REAL_DMA
235 printk("scsi%d: IRQ%d not free, interrupts disabled\n", 235 printk("scsi%d: IRQ%d not free, interrupts disabled\n",
236 instance->host_no, instance->irq); 236 instance->host_no, instance->irq);
@@ -279,7 +279,7 @@ static int sun3scsi_detect(struct scsi_host_template * tpnt)
279int sun3scsi_release (struct Scsi_Host *shpnt) 279int sun3scsi_release (struct Scsi_Host *shpnt)
280{ 280{
281 if (shpnt->irq != SCSI_IRQ_NONE) 281 if (shpnt->irq != SCSI_IRQ_NONE)
282 free_irq (shpnt->irq, NULL); 282 free_irq(shpnt->irq, shpnt);
283 283
284 iounmap((void *)sun3_scsi_regp); 284 iounmap((void *)sun3_scsi_regp);
285 285
diff --git a/drivers/scsi/t128.c b/drivers/scsi/t128.c
index 248d60b8d899..041eaaace2c3 100644
--- a/drivers/scsi/t128.c
+++ b/drivers/scsi/t128.c
@@ -259,7 +259,8 @@ found:
259 instance->irq = NCR5380_probe_irq(instance, T128_IRQS); 259 instance->irq = NCR5380_probe_irq(instance, T128_IRQS);
260 260
261 if (instance->irq != SCSI_IRQ_NONE) 261 if (instance->irq != SCSI_IRQ_NONE)
262 if (request_irq(instance->irq, t128_intr, IRQF_DISABLED, "t128", instance)) { 262 if (request_irq(instance->irq, t128_intr, IRQF_DISABLED, "t128",
263 instance)) {
263 printk("scsi%d : IRQ%d not free, interrupts disabled\n", 264 printk("scsi%d : IRQ%d not free, interrupts disabled\n",
264 instance->host_no, instance->irq); 265 instance->host_no, instance->irq);
265 instance->irq = SCSI_IRQ_NONE; 266 instance->irq = SCSI_IRQ_NONE;
@@ -295,7 +296,7 @@ static int t128_release(struct Scsi_Host *shost)
295 NCR5380_local_declare(); 296 NCR5380_local_declare();
296 NCR5380_setup(shost); 297 NCR5380_setup(shost);
297 if (shost->irq) 298 if (shost->irq)
298 free_irq(shost->irq, NULL); 299 free_irq(shost->irq, shost);
299 NCR5380_exit(shost); 300 NCR5380_exit(shost);
300 if (shost->io_port && shost->n_io_port) 301 if (shost->io_port && shost->n_io_port)
301 release_region(shost->io_port, shost->n_io_port); 302 release_region(shost->io_port, shost->n_io_port);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-18 10:31:35 -0500