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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-23 14:35:37 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-23 14:35:37 -0400
commitf5bcf5f44796bf30a058a01c10a61b19784f0540 (patch)
tree1c78ecbb2a21f880a1508dc2fcbbcc4b169f43f3
parentdefe9104833b5ad309447bbc1fcb8e5981b2d3e1 (diff)
parent129dd98194747a3b8ac1ff876d8d1f2440660d01 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (38 commits) fusion: mptsas, fix lock imbalance [SCSI] scsi_transport_fc: replace BUS_ID_SIZE by fixed count sd, sr: fix Driver 'sd' needs updating message scsi_transport_iscsi: return -EOVERFLOW for Too many iscsi targets fc_transport: Selective return value from BSG timeout function fc_transport: The softirq_done function registration for BSG request sym53c8xx: ratelimit parity errors explain the hidden scsi_wait_scan Kconfig variable ibmvfc: Fix endless PRLI loop in discovery ibmvfc: Process async events before command responses libfc: Add runtime debugging with debug_logging module parameter libfcoe: Add runtime debugging with module param debug_logging fcoe: Add runtime debug logging with module parameter debug_logging scsi_debug: Add support for physical block exponent and alignment cnic: add NETDEV_1000 and NETDEVICES to Kconfig select cnic: Fix __symbol_get() build error. Revert "[SCSI] cnic: fix error: implicit declaration of function ‘__symbol_get’" ipr: differentiate pci-x and pci-e based adapters ipr: add test for MSI interrupt support scsi_transport_spi: Blacklist Ultrium-3 tape for IU transfers ...
Diffstat
-rw-r--r--block/bsg.c3
-rw-r--r--drivers/message/fusion/mptsas.c4
-rw-r--r--drivers/net/cnic.c6
-rw-r--r--drivers/net/cnic_if.h2
-rw-r--r--drivers/scsi/Kconfig13
-rw-r--r--drivers/scsi/bnx2i/Kconfig2
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_ddp.c90
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_ddp.h2
-rw-r--r--drivers/scsi/fcoe/fcoe.c108
-rw-r--r--drivers/scsi/fcoe/fcoe.h24
-rw-r--r--drivers/scsi/fcoe/libfcoe.c94
-rw-r--r--drivers/scsi/hosts.c8
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c36
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.h1
-rw-r--r--drivers/scsi/ipr.c138
-rw-r--r--drivers/scsi/ipr.h10
-rw-r--r--drivers/scsi/iscsi_tcp.c14
-rw-r--r--drivers/scsi/libfc/fc_disc.c83
-rw-r--r--drivers/scsi/libfc/fc_exch.c58
-rw-r--r--drivers/scsi/libfc/fc_fcp.c97
-rw-r--r--drivers/scsi/libfc/fc_lport.c156
-rw-r--r--drivers/scsi/libfc/fc_rport.c120
-rw-r--r--drivers/scsi/libiscsi.c161
-rw-r--r--drivers/scsi/libiscsi_tcp.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c28
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_version.h2
-rw-r--r--drivers/scsi/scsi_debug.c30
-rw-r--r--drivers/scsi/scsi_devinfo.c247
-rw-r--r--drivers/scsi/scsi_lib.c1
-rw-r--r--drivers/scsi/scsi_priv.h17
-rw-r--r--drivers/scsi/scsi_sysfs.c17
-rw-r--r--drivers/scsi/scsi_transport_fc.c44
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c1
-rw-r--r--drivers/scsi/scsi_transport_sas.c4
-rw-r--r--drivers/scsi/scsi_transport_spi.c51
-rw-r--r--drivers/scsi/sd.c74
-rw-r--r--drivers/scsi/sd.h1
-rw-r--r--drivers/scsi/sr.c1
-rw-r--r--drivers/scsi/sym53c8xx_2/sym_hipd.c5
-rw-r--r--include/scsi/fc_encode.h2
-rw-r--r--include/scsi/libfc.h77
-rw-r--r--include/scsi/libiscsi.h4
-rw-r--r--include/scsi/scsi_driver.h1
46 files changed, 1245 insertions, 604 deletions
diff --git a/block/bsg.c b/block/bsg.c
index 54106f052f70..e7d475254248 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -315,7 +315,6 @@ out:
315 blk_put_request(rq); 315 blk_put_request(rq);
316 if (next_rq) { 316 if (next_rq) {
317 blk_rq_unmap_user(next_rq->bio); 317 blk_rq_unmap_user(next_rq->bio);
318 next_rq->bio = NULL;
319 blk_put_request(next_rq); 318 blk_put_request(next_rq);
320 } 319 }
321 return ERR_PTR(ret); 320 return ERR_PTR(ret);
@@ -449,7 +448,6 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
449 hdr->dout_resid = rq->resid_len; 448 hdr->dout_resid = rq->resid_len;
450 hdr->din_resid = rq->next_rq->resid_len; 449 hdr->din_resid = rq->next_rq->resid_len;
451 blk_rq_unmap_user(bidi_bio); 450 blk_rq_unmap_user(bidi_bio);
452 rq->next_rq->bio = NULL;
453 blk_put_request(rq->next_rq); 451 blk_put_request(rq->next_rq);
454 } else if (rq_data_dir(rq) == READ) 452 } else if (rq_data_dir(rq) == READ)
455 hdr->din_resid = rq->resid_len; 453 hdr->din_resid = rq->resid_len;
@@ -468,7 +466,6 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
468 blk_rq_unmap_user(bio); 466 blk_rq_unmap_user(bio);
469 if (rq->cmd != rq->__cmd) 467 if (rq->cmd != rq->__cmd)
470 kfree(rq->cmd); 468 kfree(rq->cmd);
471 rq->bio = NULL;
472 blk_put_request(rq); 469 blk_put_request(rq);
473 470
474 return ret; 471 return ret;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 20e0b447e8e8..55ff25244af4 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -3518,7 +3518,7 @@ retry_page:
3518 } else 3518 } else
3519 mptsas_volume_delete(ioc, sas_info->fw.id); 3519 mptsas_volume_delete(ioc, sas_info->fw.id);
3520 } 3520 }
3521 mutex_lock(&ioc->sas_device_info_mutex); 3521 mutex_unlock(&ioc->sas_device_info_mutex);
3522 3522
3523 /* expanders */ 3523 /* expanders */
3524 mutex_lock(&ioc->sas_topology_mutex); 3524 mutex_lock(&ioc->sas_topology_mutex);
@@ -3549,7 +3549,7 @@ retry_page:
3549 goto redo_expander_scan; 3549 goto redo_expander_scan;
3550 } 3550 }
3551 } 3551 }
3552 mutex_lock(&ioc->sas_topology_mutex); 3552 mutex_unlock(&ioc->sas_topology_mutex);
3553} 3553}
3554 3554
3555/** 3555/**
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 44f77eb1180f..4d1515f45ba2 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -25,8 +25,6 @@
25#include <linux/delay.h> 25#include <linux/delay.h>
26#include <linux/ethtool.h> 26#include <linux/ethtool.h>
27#include <linux/if_vlan.h> 27#include <linux/if_vlan.h>
28#include <linux/module.h>
29
30#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) 28#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
31#define BCM_VLAN 1 29#define BCM_VLAN 1
32#endif 30#endif
@@ -2521,9 +2519,9 @@ static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
2521 struct cnic_dev *cdev; 2519 struct cnic_dev *cdev;
2522 struct cnic_local *cp; 2520 struct cnic_local *cp;
2523 struct cnic_eth_dev *ethdev = NULL; 2521 struct cnic_eth_dev *ethdev = NULL;
2524 struct cnic_eth_dev *(*probe)(void *) = NULL; 2522 struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
2525 2523
2526 probe = __symbol_get("bnx2_cnic_probe"); 2524 probe = symbol_get(bnx2_cnic_probe);
2527 if (probe) { 2525 if (probe) {
2528 ethdev = (*probe)(dev); 2526 ethdev = (*probe)(dev);
2529 symbol_put_addr(probe); 2527 symbol_put_addr(probe);
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index 06380963a34e..d1bce27ee99e 100644
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -296,4 +296,6 @@ extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
296 296
297extern int cnic_unregister_driver(int ulp_type); 297extern int cnic_unregister_driver(int ulp_type);
298 298
299extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
300
299#endif 301#endif
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 6a19ed9a1194..9c23122f755f 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -258,10 +258,21 @@ config SCSI_SCAN_ASYNC
258 or async on the kernel's command line. 258 or async on the kernel's command line.
259 259
260config SCSI_WAIT_SCAN 260config SCSI_WAIT_SCAN
261 tristate 261 tristate # No prompt here, this is an invisible symbol.
262 default m 262 default m
263 depends on SCSI 263 depends on SCSI
264 depends on MODULES 264 depends on MODULES
265# scsi_wait_scan is a loadable module which waits until all the async scans are
266# complete. The idea is to use it in initrd/ initramfs scripts. You modprobe
267# it after all the modprobes of the root SCSI drivers and it will wait until
268# they have all finished scanning their buses before allowing the boot to
269# proceed. (This method is not applicable if targets boot independently in
270# parallel with the initiator, or with transports with non-deterministic target
271# discovery schemes, or if a transport driver does not support scsi_wait_scan.)
272#
273# This symbol is not exposed as a prompt because little is to be gained by
274# disabling it, whereas people who accidentally switch it off may wonder why
275# their mkinitrd gets into trouble.
265 276
266menu "SCSI Transports" 277menu "SCSI Transports"
267 depends on SCSI 278 depends on SCSI
diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig
index b62b482e55e7..1e9f7141102b 100644
--- a/drivers/scsi/bnx2i/Kconfig
+++ b/drivers/scsi/bnx2i/Kconfig
@@ -1,6 +1,8 @@
1config SCSI_BNX2_ISCSI 1config SCSI_BNX2_ISCSI
2 tristate "Broadcom NetXtreme II iSCSI support" 2 tristate "Broadcom NetXtreme II iSCSI support"
3 select SCSI_ISCSI_ATTRS 3 select SCSI_ISCSI_ATTRS
4 select NETDEVICES
5 select NETDEV_1000
4 select CNIC 6 select CNIC
5 depends on PCI 7 depends on PCI
6 ---help--- 8 ---help---
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
index 99c912547902..344fd53b9954 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
@@ -206,6 +206,31 @@ int cxgb3i_ddp_find_page_index(unsigned long pgsz)
206 return DDP_PGIDX_MAX; 206 return DDP_PGIDX_MAX;
207} 207}
208 208
209/**
210 * cxgb3i_ddp_adjust_page_table - adjust page table with PAGE_SIZE
211 * return the ddp page index, if no match is found return DDP_PGIDX_MAX.
212 */
213int cxgb3i_ddp_adjust_page_table(void)
214{
215 int i;
216 unsigned int base_order, order;
217
218 if (PAGE_SIZE < (1UL << ddp_page_shift[0])) {
219 ddp_log_info("PAGE_SIZE 0x%lx too small, min. 0x%lx.\n",
220 PAGE_SIZE, 1UL << ddp_page_shift[0]);
221 return -EINVAL;
222 }
223
224 base_order = get_order(1UL << ddp_page_shift[0]);
225 order = get_order(1 << PAGE_SHIFT);
226 for (i = 0; i < DDP_PGIDX_MAX; i++) {
227 /* first is the kernel page size, then just doubling the size */
228 ddp_page_order[i] = order - base_order + i;
229 ddp_page_shift[i] = PAGE_SHIFT + i;
230 }
231 return 0;
232}
233
209static inline void ddp_gl_unmap(struct pci_dev *pdev, 234static inline void ddp_gl_unmap(struct pci_dev *pdev,
210 struct cxgb3i_gather_list *gl) 235 struct cxgb3i_gather_list *gl)
211{ 236{
@@ -598,30 +623,40 @@ int cxgb3i_adapter_ddp_info(struct t3cdev *tdev,
598 * release all the resource held by the ddp pagepod manager for a given 623 * release all the resource held by the ddp pagepod manager for a given
599 * adapter if needed 624 * adapter if needed
600 */ 625 */
601void cxgb3i_ddp_cleanup(struct t3cdev *tdev) 626
627static void ddp_cleanup(struct kref *kref)
602{ 628{
629 struct cxgb3i_ddp_info *ddp = container_of(kref,
630 struct cxgb3i_ddp_info,
631 refcnt);
603 int i = 0; 632 int i = 0;
633
634 ddp_log_info("kref release ddp 0x%p, t3dev 0x%p.\n", ddp, ddp->tdev);
635
636 ddp->tdev->ulp_iscsi = NULL;
637 while (i < ddp->nppods) {
638 struct cxgb3i_gather_list *gl = ddp->gl_map[i];
639 if (gl) {
640 int npods = (gl->nelem + PPOD_PAGES_MAX - 1)
641 >> PPOD_PAGES_SHIFT;
642 ddp_log_info("t3dev 0x%p, ddp %d + %d.\n",
643 ddp->tdev, i, npods);
644 kfree(gl);
645 ddp_free_gl_skb(ddp, i, npods);
646 i += npods;
647 } else
648 i++;
649 }
650 cxgb3i_free_big_mem(ddp);
651}
652
653void cxgb3i_ddp_cleanup(struct t3cdev *tdev)
654{
604 struct cxgb3i_ddp_info *ddp = (struct cxgb3i_ddp_info *)tdev->ulp_iscsi; 655 struct cxgb3i_ddp_info *ddp = (struct cxgb3i_ddp_info *)tdev->ulp_iscsi;
605 656
606 ddp_log_info("t3dev 0x%p, release ddp 0x%p.\n", tdev, ddp); 657 ddp_log_info("t3dev 0x%p, release ddp 0x%p.\n", tdev, ddp);
607 658 if (ddp)
608 if (ddp) { 659 kref_put(&ddp->refcnt, ddp_cleanup);
609 tdev->ulp_iscsi = NULL;
610 while (i < ddp->nppods) {
611 struct cxgb3i_gather_list *gl = ddp->gl_map[i];
612 if (gl) {
613 int npods = (gl->nelem + PPOD_PAGES_MAX - 1)
614 >> PPOD_PAGES_SHIFT;
615 ddp_log_info("t3dev 0x%p, ddp %d + %d.\n",
616 tdev, i, npods);
617 kfree(gl);
618 ddp_free_gl_skb(ddp, i, npods);
619 i += npods;
620 } else
621 i++;
622 }
623 cxgb3i_free_big_mem(ddp);
624 }
625} 660}
626 661
627/** 662/**
@@ -631,12 +666,13 @@ void cxgb3i_ddp_cleanup(struct t3cdev *tdev)
631 */ 666 */
632static void ddp_init(struct t3cdev *tdev) 667static void ddp_init(struct t3cdev *tdev)
633{ 668{
634 struct cxgb3i_ddp_info *ddp; 669 struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi;
635 struct ulp_iscsi_info uinfo; 670 struct ulp_iscsi_info uinfo;
636 unsigned int ppmax, bits; 671 unsigned int ppmax, bits;
637 int i, err; 672 int i, err;
638 673
639 if (tdev->ulp_iscsi) { 674 if (ddp) {
675 kref_get(&ddp->refcnt);
640 ddp_log_warn("t3dev 0x%p, ddp 0x%p already set up.\n", 676 ddp_log_warn("t3dev 0x%p, ddp 0x%p already set up.\n",
641 tdev, tdev->ulp_iscsi); 677 tdev, tdev->ulp_iscsi);
642 return; 678 return;
@@ -670,6 +706,7 @@ static void ddp_init(struct t3cdev *tdev)
670 ppmax * 706 ppmax *
671 sizeof(struct cxgb3i_gather_list *)); 707 sizeof(struct cxgb3i_gather_list *));
672 spin_lock_init(&ddp->map_lock); 708 spin_lock_init(&ddp->map_lock);
709 kref_init(&ddp->refcnt);
673 710
674 ddp->tdev = tdev; 711 ddp->tdev = tdev;
675 ddp->pdev = uinfo.pdev; 712 ddp->pdev = uinfo.pdev;
@@ -715,6 +752,17 @@ void cxgb3i_ddp_init(struct t3cdev *tdev)
715{ 752{
716 if (page_idx == DDP_PGIDX_MAX) { 753 if (page_idx == DDP_PGIDX_MAX) {
717 page_idx = cxgb3i_ddp_find_page_index(PAGE_SIZE); 754 page_idx = cxgb3i_ddp_find_page_index(PAGE_SIZE);
755
756 if (page_idx == DDP_PGIDX_MAX) {
757 ddp_log_info("system PAGE_SIZE %lu, update hw.\n",
758 PAGE_SIZE);
759 if (cxgb3i_ddp_adjust_page_table() < 0) {
760 ddp_log_info("PAGE_SIZE %lu, ddp disabled.\n",
761 PAGE_SIZE);
762 return;
763 }
764 page_idx = cxgb3i_ddp_find_page_index(PAGE_SIZE);
765 }
718 ddp_log_info("system PAGE_SIZE %lu, ddp idx %u.\n", 766 ddp_log_info("system PAGE_SIZE %lu, ddp idx %u.\n",
719 PAGE_SIZE, page_idx); 767 PAGE_SIZE, page_idx);
720 } 768 }
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.h b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
index 0d296de7cf32..87dd56b422bf 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.h
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
@@ -54,6 +54,7 @@ struct cxgb3i_gather_list {
54 * struct cxgb3i_ddp_info - cxgb3i direct data placement for pdu payload 54 * struct cxgb3i_ddp_info - cxgb3i direct data placement for pdu payload
55 * 55 *
56 * @list: list head to link elements 56 * @list: list head to link elements
57 * @refcnt: ref. count
57 * @tdev: pointer to t3cdev used by cxgb3 driver 58 * @tdev: pointer to t3cdev used by cxgb3 driver
58 * @max_txsz: max tx packet size for ddp 59 * @max_txsz: max tx packet size for ddp
59 * @max_rxsz: max rx packet size for ddp 60 * @max_rxsz: max rx packet size for ddp
@@ -70,6 +71,7 @@ struct cxgb3i_gather_list {
70 */ 71 */
71struct cxgb3i_ddp_info { 72struct cxgb3i_ddp_info {
72 struct list_head list; 73 struct list_head list;
74 struct kref refcnt;
73 struct t3cdev *tdev; 75 struct t3cdev *tdev;
74 struct pci_dev *pdev; 76 struct pci_dev *pdev;
75 unsigned int max_txsz; 77 unsigned int max_txsz;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index c15878e88157..0a5609bb5817 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -45,8 +45,6 @@
45 45
46#include "fcoe.h" 46#include "fcoe.h"
47 47
48static int debug_fcoe;
49
50MODULE_AUTHOR("Open-FCoE.org"); 48MODULE_AUTHOR("Open-FCoE.org");
51MODULE_DESCRIPTION("FCoE"); 49MODULE_DESCRIPTION("FCoE");
52MODULE_LICENSE("GPL v2"); 50MODULE_LICENSE("GPL v2");
@@ -305,23 +303,22 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
305#ifdef NETIF_F_FCOE_CRC 303#ifdef NETIF_F_FCOE_CRC
306 if (netdev->features & NETIF_F_FCOE_CRC) { 304 if (netdev->features & NETIF_F_FCOE_CRC) {
307 lp->crc_offload = 1; 305 lp->crc_offload = 1;
308 printk(KERN_DEBUG "fcoe:%s supports FCCRC offload\n", 306 FCOE_NETDEV_DBG(netdev, "Supports FCCRC offload\n");
309 netdev->name);
310 } 307 }
311#endif 308#endif
312#ifdef NETIF_F_FSO 309#ifdef NETIF_F_FSO
313 if (netdev->features & NETIF_F_FSO) { 310 if (netdev->features & NETIF_F_FSO) {
314 lp->seq_offload = 1; 311 lp->seq_offload = 1;
315 lp->lso_max = netdev->gso_max_size; 312 lp->lso_max = netdev->gso_max_size;
316 printk(KERN_DEBUG "fcoe:%s supports LSO for max len 0x%x\n", 313 FCOE_NETDEV_DBG(netdev, "Supports LSO for max len 0x%x\n",
317 netdev->name, lp->lso_max); 314 lp->lso_max);
318 } 315 }
319#endif 316#endif
320 if (netdev->fcoe_ddp_xid) { 317 if (netdev->fcoe_ddp_xid) {
321 lp->lro_enabled = 1; 318 lp->lro_enabled = 1;
322 lp->lro_xid = netdev->fcoe_ddp_xid; 319 lp->lro_xid = netdev->fcoe_ddp_xid;
323 printk(KERN_DEBUG "fcoe:%s supports LRO for max xid 0x%x\n", 320 FCOE_NETDEV_DBG(netdev, "Supports LRO for max xid 0x%x\n",
324 netdev->name, lp->lro_xid); 321 lp->lro_xid);
325 } 322 }
326 skb_queue_head_init(&fc->fcoe_pending_queue); 323 skb_queue_head_init(&fc->fcoe_pending_queue);
327 fc->fcoe_pending_queue_active = 0; 324 fc->fcoe_pending_queue_active = 0;
@@ -407,7 +404,8 @@ static int fcoe_shost_config(struct fc_lport *lp, struct Scsi_Host *shost,
407 /* add the new host to the SCSI-ml */ 404 /* add the new host to the SCSI-ml */
408 rc = scsi_add_host(lp->host, dev); 405 rc = scsi_add_host(lp->host, dev);
409 if (rc) { 406 if (rc) {
410 FC_DBG("fcoe_shost_config:error on scsi_add_host\n"); 407 FCOE_NETDEV_DBG(fcoe_netdev(lp), "fcoe_shost_config: "
408 "error on scsi_add_host\n");
411 return rc; 409 return rc;
412 } 410 }
413 sprintf(fc_host_symbolic_name(lp->host), "%s v%s over %s", 411 sprintf(fc_host_symbolic_name(lp->host), "%s v%s over %s",
@@ -448,8 +446,7 @@ static int fcoe_if_destroy(struct net_device *netdev)
448 446
449 BUG_ON(!netdev); 447 BUG_ON(!netdev);
450 448
451 printk(KERN_DEBUG "fcoe_if_destroy:interface on %s\n", 449 FCOE_NETDEV_DBG(netdev, "Destroying interface\n");
452 netdev->name);
453 450
454 lp = fcoe_hostlist_lookup(netdev); 451 lp = fcoe_hostlist_lookup(netdev);
455 if (!lp) 452 if (!lp)
@@ -560,8 +557,7 @@ static int fcoe_if_create(struct net_device *netdev)
560 557
561 BUG_ON(!netdev); 558 BUG_ON(!netdev);
562 559
563 printk(KERN_DEBUG "fcoe_if_create:interface on %s\n", 560 FCOE_NETDEV_DBG(netdev, "Create Interface\n");
564 netdev->name);
565 561
566 lp = fcoe_hostlist_lookup(netdev); 562 lp = fcoe_hostlist_lookup(netdev);
567 if (lp) 563 if (lp)
@@ -570,7 +566,7 @@ static int fcoe_if_create(struct net_device *netdev)
570 shost = libfc_host_alloc(&fcoe_shost_template, 566 shost = libfc_host_alloc(&fcoe_shost_template,
571 sizeof(struct fcoe_softc)); 567 sizeof(struct fcoe_softc));
572 if (!shost) { 568 if (!shost) {
573 FC_DBG("Could not allocate host structure\n"); 569 FCOE_NETDEV_DBG(netdev, "Could not allocate host structure\n");
574 return -ENOMEM; 570 return -ENOMEM;
575 } 571 }
576 lp = shost_priv(shost); 572 lp = shost_priv(shost);
@@ -579,7 +575,8 @@ static int fcoe_if_create(struct net_device *netdev)
579 /* configure fc_lport, e.g., em */ 575 /* configure fc_lport, e.g., em */
580 rc = fcoe_lport_config(lp); 576 rc = fcoe_lport_config(lp);
581 if (rc) { 577 if (rc) {
582 FC_DBG("Could not configure lport\n"); 578 FCOE_NETDEV_DBG(netdev, "Could not configure lport for the "
579 "interface\n");
583 goto out_host_put; 580 goto out_host_put;
584 } 581 }
585 582
@@ -593,28 +590,32 @@ static int fcoe_if_create(struct net_device *netdev)
593 /* configure lport network properties */ 590 /* configure lport network properties */
594 rc = fcoe_netdev_config(lp, netdev); 591 rc = fcoe_netdev_config(lp, netdev);
595 if (rc) { 592 if (rc) {
596 FC_DBG("Could not configure netdev for the interface\n"); 593 FCOE_NETDEV_DBG(netdev, "Could not configure netdev for the "
594 "interface\n");
597 goto out_netdev_cleanup; 595 goto out_netdev_cleanup;
598 } 596 }
599 597
600 /* configure lport scsi host properties */ 598 /* configure lport scsi host properties */
601 rc = fcoe_shost_config(lp, shost, &netdev->dev); 599 rc = fcoe_shost_config(lp, shost, &netdev->dev);
602 if (rc) { 600 if (rc) {
603 FC_DBG("Could not configure shost for lport\n"); 601 FCOE_NETDEV_DBG(netdev, "Could not configure shost for the "
602 "interface\n");
604 goto out_netdev_cleanup; 603 goto out_netdev_cleanup;
605 } 604 }
606 605
607 /* lport exch manager allocation */ 606 /* lport exch manager allocation */
608 rc = fcoe_em_config(lp); 607 rc = fcoe_em_config(lp);
609 if (rc) { 608 if (rc) {
610 FC_DBG("Could not configure em for lport\n"); 609 FCOE_NETDEV_DBG(netdev, "Could not configure the EM for the "
610 "interface\n");
611 goto out_netdev_cleanup; 611 goto out_netdev_cleanup;
612 } 612 }
613 613
614 /* Initialize the library */ 614 /* Initialize the library */
615 rc = fcoe_libfc_config(lp, &fcoe_libfc_fcn_templ); 615 rc = fcoe_libfc_config(lp, &fcoe_libfc_fcn_templ);
616 if (rc) { 616 if (rc) {
617 FC_DBG("Could not configure libfc for lport!\n"); 617 FCOE_NETDEV_DBG(netdev, "Could not configure libfc for the "
618 "interface\n");
618 goto out_lp_destroy; 619 goto out_lp_destroy;
619 } 620 }
620 621
@@ -653,7 +654,7 @@ static int __init fcoe_if_init(void)
653 fc_attach_transport(&fcoe_transport_function); 654 fc_attach_transport(&fcoe_transport_function);
654 655
655 if (!scsi_transport_fcoe_sw) { 656 if (!scsi_transport_fcoe_sw) {
656 printk(KERN_ERR "fcoe_init:fc_attach_transport() failed\n"); 657 printk(KERN_ERR "fcoe: Failed to attach to the FC transport\n");
657 return -ENODEV; 658 return -ENODEV;
658 } 659 }
659 660
@@ -714,7 +715,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu)
714 unsigned targ_cpu = smp_processor_id(); 715 unsigned targ_cpu = smp_processor_id();
715#endif /* CONFIG_SMP */ 716#endif /* CONFIG_SMP */
716 717
717 printk(KERN_DEBUG "fcoe: Destroying receive thread for CPU %d\n", cpu); 718 FCOE_DBG("Destroying receive thread for CPU %d\n", cpu);
718 719
719 /* Prevent any new skbs from being queued for this CPU. */ 720 /* Prevent any new skbs from being queued for this CPU. */
720 p = &per_cpu(fcoe_percpu, cpu); 721 p = &per_cpu(fcoe_percpu, cpu);
@@ -736,8 +737,8 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu)
736 p0 = &per_cpu(fcoe_percpu, targ_cpu); 737 p0 = &per_cpu(fcoe_percpu, targ_cpu);
737 spin_lock_bh(&p0->fcoe_rx_list.lock); 738 spin_lock_bh(&p0->fcoe_rx_list.lock);
738 if (p0->thread) { 739 if (p0->thread) {
739 FC_DBG("Moving frames from CPU %d to CPU %d\n", 740 FCOE_DBG("Moving frames from CPU %d to CPU %d\n",
740 cpu, targ_cpu); 741 cpu, targ_cpu);
741 742
742 while ((skb = __skb_dequeue(&p->fcoe_rx_list)) != NULL) 743 while ((skb = __skb_dequeue(&p->fcoe_rx_list)) != NULL)
743 __skb_queue_tail(&p0->fcoe_rx_list, skb); 744 __skb_queue_tail(&p0->fcoe_rx_list, skb);
@@ -803,12 +804,12 @@ static int fcoe_cpu_callback(struct notifier_block *nfb,
803 switch (action) { 804 switch (action) {
804 case CPU_ONLINE: 805 case CPU_ONLINE:
805 case CPU_ONLINE_FROZEN: 806 case CPU_ONLINE_FROZEN:
806 FC_DBG("CPU %x online: Create Rx thread\n", cpu); 807 FCOE_DBG("CPU %x online: Create Rx thread\n", cpu);
807 fcoe_percpu_thread_create(cpu); 808 fcoe_percpu_thread_create(cpu);
808 break; 809 break;
809 case CPU_DEAD: 810 case CPU_DEAD:
810 case CPU_DEAD_FROZEN: 811 case CPU_DEAD_FROZEN:
811 FC_DBG("CPU %x offline: Remove Rx thread\n", cpu); 812 FCOE_DBG("CPU %x offline: Remove Rx thread\n", cpu);
812 fcoe_percpu_thread_destroy(cpu); 813 fcoe_percpu_thread_destroy(cpu);
813 break; 814 break;
814 default: 815 default:
@@ -846,24 +847,21 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *dev,
846 fc = container_of(ptype, struct fcoe_softc, fcoe_packet_type); 847 fc = container_of(ptype, struct fcoe_softc, fcoe_packet_type);
847 lp = fc->ctlr.lp; 848 lp = fc->ctlr.lp;
848 if (unlikely(lp == NULL)) { 849 if (unlikely(lp == NULL)) {
849 FC_DBG("cannot find hba structure"); 850 FCOE_NETDEV_DBG(dev, "Cannot find hba structure");
850 goto err2; 851 goto err2;
851 } 852 }
852 if (!lp->link_up) 853 if (!lp->link_up)
853 goto err2; 854 goto err2;
854 855
855 if (unlikely(debug_fcoe)) { 856 FCOE_NETDEV_DBG(dev, "skb_info: len:%d data_len:%d head:%p "
856 FC_DBG("skb_info: len:%d data_len:%d head:%p data:%p tail:%p " 857 "data:%p tail:%p end:%p sum:%d dev:%s",
857 "end:%p sum:%d dev:%s", skb->len, skb->data_len, 858 skb->len, skb->data_len, skb->head, skb->data,
858 skb->head, skb->data, skb_tail_pointer(skb), 859 skb_tail_pointer(skb), skb_end_pointer(skb),
859 skb_end_pointer(skb), skb->csum, 860 skb->csum, skb->dev ? skb->dev->name : "<NULL>");
860 skb->dev ? skb->dev->name : "<NULL>");
861
862 }
863 861
864 /* check for FCOE packet type */ 862 /* check for FCOE packet type */
865 if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) { 863 if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
866 FC_DBG("wrong FC type frame"); 864 FCOE_NETDEV_DBG(dev, "Wrong FC type frame");
867 goto err; 865 goto err;
868 } 866 }
869 867
@@ -901,8 +899,9 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *dev,
901 * the first CPU now. For non-SMP systems this 899 * the first CPU now. For non-SMP systems this
902 * will check the same CPU twice. 900 * will check the same CPU twice.
903 */ 901 */
904 FC_DBG("CPU is online, but no receive thread ready " 902 FCOE_NETDEV_DBG(dev, "CPU is online, but no receive thread "
905 "for incoming skb- using first online CPU.\n"); 903 "ready for incoming skb- using first online "
904 "CPU.\n");
906 905
907 spin_unlock_bh(&fps->fcoe_rx_list.lock); 906 spin_unlock_bh(&fps->fcoe_rx_list.lock);
908 cpu = first_cpu(cpu_online_map); 907 cpu = first_cpu(cpu_online_map);
@@ -1201,19 +1200,17 @@ int fcoe_percpu_receive_thread(void *arg)
1201 fr = fcoe_dev_from_skb(skb); 1200 fr = fcoe_dev_from_skb(skb);
1202 lp = fr->fr_dev; 1201 lp = fr->fr_dev;
1203 if (unlikely(lp == NULL)) { 1202 if (unlikely(lp == NULL)) {
1204 FC_DBG("invalid HBA Structure"); 1203 FCOE_NETDEV_DBG(skb->dev, "Invalid HBA Structure");
1205 kfree_skb(skb); 1204 kfree_skb(skb);
1206 continue; 1205 continue;
1207 } 1206 }
1208 1207
1209 if (unlikely(debug_fcoe)) { 1208 FCOE_NETDEV_DBG(skb->dev, "skb_info: len:%d data_len:%d "
1210 FC_DBG("skb_info: len:%d data_len:%d head:%p data:%p " 1209 "head:%p data:%p tail:%p end:%p sum:%d dev:%s",
1211 "tail:%p end:%p sum:%d dev:%s", 1210 skb->len, skb->data_len,
1212 skb->len, skb->data_len, 1211 skb->head, skb->data, skb_tail_pointer(skb),
1213 skb->head, skb->data, skb_tail_pointer(skb), 1212 skb_end_pointer(skb), skb->csum,
1214 skb_end_pointer(skb), skb->csum, 1213 skb->dev ? skb->dev->name : "<NULL>");
1215 skb->dev ? skb->dev->name : "<NULL>");
1216 }
1217 1214
1218 /* 1215 /*
1219 * Save source MAC address before discarding header. 1216 * Save source MAC address before discarding header.
@@ -1233,7 +1230,7 @@ int fcoe_percpu_receive_thread(void *arg)
1233 stats = fc_lport_get_stats(lp); 1230 stats = fc_lport_get_stats(lp);
1234 if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) { 1231 if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) {
1235 if (stats->ErrorFrames < 5) 1232 if (stats->ErrorFrames < 5)
1236 printk(KERN_WARNING "FCoE version " 1233 printk(KERN_WARNING "fcoe: FCoE version "
1237 "mismatch: The frame has " 1234 "mismatch: The frame has "
1238 "version %x, but the " 1235 "version %x, but the "
1239 "initiator supports version " 1236 "initiator supports version "
@@ -1286,7 +1283,7 @@ int fcoe_percpu_receive_thread(void *arg)
1286 if (fr_flags(fp) & FCPHF_CRC_UNCHECKED) { 1283 if (fr_flags(fp) & FCPHF_CRC_UNCHECKED) {
1287 if (le32_to_cpu(fr_crc(fp)) != 1284 if (le32_to_cpu(fr_crc(fp)) !=
1288 ~crc32(~0, skb->data, fr_len)) { 1285 ~crc32(~0, skb->data, fr_len)) {
1289 if (debug_fcoe || stats->InvalidCRCCount < 5) 1286 if (stats->InvalidCRCCount < 5)
1290 printk(KERN_WARNING "fcoe: dropping " 1287 printk(KERN_WARNING "fcoe: dropping "
1291 "frame with CRC error\n"); 1288 "frame with CRC error\n");
1292 stats->InvalidCRCCount++; 1289 stats->InvalidCRCCount++;
@@ -1432,7 +1429,8 @@ static int fcoe_device_notification(struct notifier_block *notifier,
1432 case NETDEV_REGISTER: 1429 case NETDEV_REGISTER:
1433 break; 1430 break;
1434 default: 1431 default:
1435 FC_DBG("Unknown event %ld from netdev netlink\n", event); 1432 FCOE_NETDEV_DBG(real_dev, "Unknown event %ld "
1433 "from netdev netlink\n", event);
1436 } 1434 }
1437 if (link_possible && !fcoe_link_ok(lp)) 1435 if (link_possible && !fcoe_link_ok(lp))
1438 fcoe_ctlr_link_up(&fc->ctlr); 1436 fcoe_ctlr_link_up(&fc->ctlr);
@@ -1505,8 +1503,8 @@ static int fcoe_ethdrv_get(const struct net_device *netdev)
1505 1503
1506 owner = fcoe_netdev_to_module_owner(netdev); 1504 owner = fcoe_netdev_to_module_owner(netdev);
1507 if (owner) { 1505 if (owner) {
1508 printk(KERN_DEBUG "fcoe:hold driver module %s for %s\n", 1506 FCOE_NETDEV_DBG(netdev, "Hold driver module %s\n",
1509 module_name(owner), netdev->name); 1507 module_name(owner));
1510 return try_module_get(owner); 1508 return try_module_get(owner);
1511 } 1509 }
1512 return -ENODEV; 1510 return -ENODEV;
@@ -1527,8 +1525,8 @@ static int fcoe_ethdrv_put(const struct net_device *netdev)
1527 1525
1528 owner = fcoe_netdev_to_module_owner(netdev); 1526 owner = fcoe_netdev_to_module_owner(netdev);
1529 if (owner) { 1527 if (owner) {
1530 printk(KERN_DEBUG "fcoe:release driver module %s for %s\n", 1528 FCOE_NETDEV_DBG(netdev, "Release driver module %s\n",
1531 module_name(owner), netdev->name); 1529 module_name(owner));
1532 module_put(owner); 1530 module_put(owner);
1533 return 0; 1531 return 0;
1534 } 1532 }
@@ -1559,7 +1557,7 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
1559 } 1557 }
1560 rc = fcoe_if_destroy(netdev); 1558 rc = fcoe_if_destroy(netdev);
1561 if (rc) { 1559 if (rc) {
1562 printk(KERN_ERR "fcoe: fcoe_if_destroy(%s) failed\n", 1560 printk(KERN_ERR "fcoe: Failed to destroy interface (%s)\n",
1563 netdev->name); 1561 netdev->name);
1564 rc = -EIO; 1562 rc = -EIO;
1565 goto out_putdev; 1563 goto out_putdev;
@@ -1598,7 +1596,7 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
1598 1596
1599 rc = fcoe_if_create(netdev); 1597 rc = fcoe_if_create(netdev);
1600 if (rc) { 1598 if (rc) {
1601 printk(KERN_ERR "fcoe: fcoe_if_create(%s) failed\n", 1599 printk(KERN_ERR "fcoe: Failed to create interface (%s)\n",
1602 netdev->name); 1600 netdev->name);
1603 fcoe_ethdrv_put(netdev); 1601 fcoe_ethdrv_put(netdev);
1604 rc = -EIO; 1602 rc = -EIO;
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index a1eb8c1988b0..0d724fa0898f 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -40,6 +40,30 @@
40#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */ 40#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */
41#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */ 41#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */
42 42
43unsigned int fcoe_debug_logging;
44module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR);
45MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
46
47#define FCOE_LOGGING 0x01 /* General logging, not categorized */
48#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */
49
50#define FCOE_CHECK_LOGGING(LEVEL, CMD) \
51do { \
52 if (unlikely(fcoe_debug_logging & LEVEL)) \
53 do { \
54 CMD; \
55 } while (0); \
56} while (0);
57
58#define FCOE_DBG(fmt, args...) \
59 FCOE_CHECK_LOGGING(FCOE_LOGGING, \
60 printk(KERN_INFO "fcoe: " fmt, ##args);)
61
62#define FCOE_NETDEV_DBG(netdev, fmt, args...) \
63 FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
64 printk(KERN_INFO "fcoe: %s" fmt, \
65 netdev->name, ##args);)
66
43/* 67/*
44 * this percpu struct for fcoe 68 * this percpu struct for fcoe
45 */ 69 */
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 2f5bc7fd3fa9..f544340d318b 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -56,15 +56,28 @@ static void fcoe_ctlr_recv_work(struct work_struct *);
56 56
57static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS; 57static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS;
58 58
59static u32 fcoe_ctlr_debug; /* 1 for basic, 2 for noisy debug */ 59unsigned int libfcoe_debug_logging;
60module_param_named(debug_logging, libfcoe_debug_logging, int, S_IRUGO|S_IWUSR);
61MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
60 62
61#define FIP_DBG_LVL(level, fmt, args...) \ 63#define LIBFCOE_LOGGING 0x01 /* General logging, not categorized */
64#define LIBFCOE_FIP_LOGGING 0x02 /* FIP logging */
65
66#define LIBFCOE_CHECK_LOGGING(LEVEL, CMD) \
67do { \
68 if (unlikely(libfcoe_debug_logging & LEVEL)) \
62 do { \ 69 do { \
63 if (fcoe_ctlr_debug >= (level)) \ 70 CMD; \
64 FC_DBG(fmt, ##args); \ 71 } while (0); \
65 } while (0) 72} while (0);
73
74#define LIBFCOE_DBG(fmt, args...) \
75 LIBFCOE_CHECK_LOGGING(LIBFCOE_LOGGING, \
76 printk(KERN_INFO "libfcoe: " fmt, ##args);)
66 77
67#define FIP_DBG(fmt, args...) FIP_DBG_LVL(1, fmt, ##args) 78#define LIBFCOE_FIP_DBG(fmt, args...) \
79 LIBFCOE_CHECK_LOGGING(LIBFCOE_FIP_LOGGING, \
80 printk(KERN_INFO "fip: " fmt, ##args);)
68 81
69/* 82/*
70 * Return non-zero if FCF fcoe_size has been validated. 83 * Return non-zero if FCF fcoe_size has been validated.
@@ -243,7 +256,7 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip)
243 fip->last_link = 1; 256 fip->last_link = 1;
244 fip->link = 1; 257 fip->link = 1;
245 spin_unlock_bh(&fip->lock); 258 spin_unlock_bh(&fip->lock);
246 FIP_DBG("%s", "setting AUTO mode.\n"); 259 LIBFCOE_FIP_DBG("%s", "setting AUTO mode.\n");
247 fc_linkup(fip->lp); 260 fc_linkup(fip->lp);
248 fcoe_ctlr_solicit(fip, NULL); 261 fcoe_ctlr_solicit(fip, NULL);
249 } else 262 } else
@@ -614,7 +627,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
614 ((struct fip_mac_desc *)desc)->fd_mac, 627 ((struct fip_mac_desc *)desc)->fd_mac,
615 ETH_ALEN); 628 ETH_ALEN);
616 if (!is_valid_ether_addr(fcf->fcf_mac)) { 629 if (!is_valid_ether_addr(fcf->fcf_mac)) {
617 FIP_DBG("invalid MAC addr in FIP adv\n"); 630 LIBFCOE_FIP_DBG("Invalid MAC address "
631 "in FIP adv\n");
618 return -EINVAL; 632 return -EINVAL;
619 } 633 }
620 break; 634 break;
@@ -647,8 +661,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
647 case FIP_DT_LOGO: 661 case FIP_DT_LOGO:
648 case FIP_DT_ELP: 662 case FIP_DT_ELP:
649 default: 663 default:
650 FIP_DBG("unexpected descriptor type %x in FIP adv\n", 664 LIBFCOE_FIP_DBG("unexpected descriptor type %x "
651 desc->fip_dtype); 665 "in FIP adv\n", desc->fip_dtype);
652 /* standard says ignore unknown descriptors >= 128 */ 666 /* standard says ignore unknown descriptors >= 128 */
653 if (desc->fip_dtype < FIP_DT_VENDOR_BASE) 667 if (desc->fip_dtype < FIP_DT_VENDOR_BASE)
654 return -EINVAL; 668 return -EINVAL;
@@ -664,8 +678,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
664 return 0; 678 return 0;
665 679
666len_err: 680len_err:
667 FIP_DBG("FIP length error in descriptor type %x len %zu\n", 681 LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n",
668 desc->fip_dtype, dlen); 682 desc->fip_dtype, dlen);
669 return -EINVAL; 683 return -EINVAL;
670} 684}
671 685
@@ -728,9 +742,10 @@ static void fcoe_ctlr_recv_adv(struct fcoe_ctlr *fip, struct sk_buff *skb)
728 } 742 }
729 mtu_valid = fcoe_ctlr_mtu_valid(fcf); 743 mtu_valid = fcoe_ctlr_mtu_valid(fcf);
730 fcf->time = jiffies; 744 fcf->time = jiffies;
731 FIP_DBG_LVL(found ? 2 : 1, "%s FCF for fab %llx map %x val %d\n", 745 if (!found) {
732 found ? "old" : "new", 746 LIBFCOE_FIP_DBG("New FCF for fab %llx map %x val %d\n",
733 fcf->fabric_name, fcf->fc_map, mtu_valid); 747 fcf->fabric_name, fcf->fc_map, mtu_valid);
748 }
734 749
735 /* 750 /*
736 * If this advertisement is not solicited and our max receive size 751 * If this advertisement is not solicited and our max receive size
@@ -807,7 +822,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
807 ((struct fip_mac_desc *)desc)->fd_mac, 822 ((struct fip_mac_desc *)desc)->fd_mac,
808 ETH_ALEN); 823 ETH_ALEN);
809 if (!is_valid_ether_addr(granted_mac)) { 824 if (!is_valid_ether_addr(granted_mac)) {
810 FIP_DBG("invalid MAC addrs in FIP ELS\n"); 825 LIBFCOE_FIP_DBG("Invalid MAC address "
826 "in FIP ELS\n");
811 goto drop; 827 goto drop;
812 } 828 }
813 break; 829 break;
@@ -825,8 +841,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
825 els_dtype = desc->fip_dtype; 841 els_dtype = desc->fip_dtype;
826 break; 842 break;
827 default: 843 default:
828 FIP_DBG("unexpected descriptor type %x " 844 LIBFCOE_FIP_DBG("unexpected descriptor type %x "
829 "in FIP adv\n", desc->fip_dtype); 845 "in FIP adv\n", desc->fip_dtype);
830 /* standard says ignore unknown descriptors >= 128 */ 846 /* standard says ignore unknown descriptors >= 128 */
831 if (desc->fip_dtype < FIP_DT_VENDOR_BASE) 847 if (desc->fip_dtype < FIP_DT_VENDOR_BASE)
832 goto drop; 848 goto drop;
@@ -867,8 +883,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
867 return; 883 return;
868 884
869len_err: 885len_err:
870 FIP_DBG("FIP length error in descriptor type %x len %zu\n", 886 LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n",
871 desc->fip_dtype, dlen); 887 desc->fip_dtype, dlen);
872drop: 888drop:
873 kfree_skb(skb); 889 kfree_skb(skb);
874} 890}
@@ -894,7 +910,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
894 struct fc_lport *lp = fip->lp; 910 struct fc_lport *lp = fip->lp;
895 u32 desc_mask; 911 u32 desc_mask;
896 912
897 FIP_DBG("Clear Virtual Link received\n"); 913 LIBFCOE_FIP_DBG("Clear Virtual Link received\n");
898 if (!fcf) 914 if (!fcf)
899 return; 915 return;
900 if (!fcf || !fc_host_port_id(lp->host)) 916 if (!fcf || !fc_host_port_id(lp->host))
@@ -952,9 +968,9 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
952 * reset only if all required descriptors were present and valid. 968 * reset only if all required descriptors were present and valid.
953 */ 969 */
954 if (desc_mask) { 970 if (desc_mask) {
955 FIP_DBG("missing descriptors mask %x\n", desc_mask); 971 LIBFCOE_FIP_DBG("missing descriptors mask %x\n", desc_mask);
956 } else { 972 } else {
957 FIP_DBG("performing Clear Virtual Link\n"); 973 LIBFCOE_FIP_DBG("performing Clear Virtual Link\n");
958 fcoe_ctlr_reset(fip, FIP_ST_ENABLED); 974 fcoe_ctlr_reset(fip, FIP_ST_ENABLED);
959 } 975 }
960} 976}
@@ -1002,10 +1018,6 @@ static int fcoe_ctlr_recv_handler(struct fcoe_ctlr *fip, struct sk_buff *skb)
1002 op = ntohs(fiph->fip_op); 1018 op = ntohs(fiph->fip_op);
1003 sub = fiph->fip_subcode; 1019 sub = fiph->fip_subcode;
1004 1020
1005 FIP_DBG_LVL(2, "ver %x op %x/%x dl %x fl %x\n",
1006 FIP_VER_DECAPS(fiph->fip_ver), op, sub,
1007 ntohs(fiph->fip_dl_len), ntohs(fiph->fip_flags));
1008
1009 if (FIP_VER_DECAPS(fiph->fip_ver) != FIP_VER) 1021 if (FIP_VER_DECAPS(fiph->fip_ver) != FIP_VER)
1010 goto drop; 1022 goto drop;
1011 if (ntohs(fiph->fip_dl_len) * FIP_BPW + sizeof(*fiph) > skb->len) 1023 if (ntohs(fiph->fip_dl_len) * FIP_BPW + sizeof(*fiph) > skb->len)
@@ -1017,7 +1029,7 @@ static int fcoe_ctlr_recv_handler(struct fcoe_ctlr *fip, struct sk_buff *skb)
1017 fip->map_dest = 0; 1029 fip->map_dest = 0;
1018 fip->state = FIP_ST_ENABLED; 1030 fip->state = FIP_ST_ENABLED;
1019 state = FIP_ST_ENABLED; 1031 state = FIP_ST_ENABLED;
1020 FIP_DBG("using FIP mode\n"); 1032 LIBFCOE_FIP_DBG("Using FIP mode\n");
1021 } 1033 }
1022 spin_unlock_bh(&fip->lock); 1034 spin_unlock_bh(&fip->lock);
1023 if (state != FIP_ST_ENABLED) 1035 if (state != FIP_ST_ENABLED)
@@ -1052,14 +1064,15 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip)
1052 struct fcoe_fcf *best = NULL; 1064 struct fcoe_fcf *best = NULL;
1053 1065
1054 list_for_each_entry(fcf, &fip->fcfs, list) { 1066 list_for_each_entry(fcf, &fip->fcfs, list) {
1055 FIP_DBG("consider FCF for fab %llx VFID %d map %x val %d\n", 1067 LIBFCOE_FIP_DBG("consider FCF for fab %llx VFID %d map %x "
1056 fcf->fabric_name, fcf->vfid, 1068 "val %d\n", fcf->fabric_name, fcf->vfid,
1057 fcf->fc_map, fcoe_ctlr_mtu_valid(fcf)); 1069 fcf->fc_map, fcoe_ctlr_mtu_valid(fcf));
1058 if (!fcoe_ctlr_fcf_usable(fcf)) { 1070 if (!fcoe_ctlr_fcf_usable(fcf)) {
1059 FIP_DBG("FCF for fab %llx map %x %svalid %savailable\n", 1071 LIBFCOE_FIP_DBG("FCF for fab %llx map %x %svalid "
1060 fcf->fabric_name, fcf->fc_map, 1072 "%savailable\n", fcf->fabric_name,
1061 (fcf->flags & FIP_FL_SOL) ? "" : "in", 1073 fcf->fc_map, (fcf->flags & FIP_FL_SOL)
1062 (fcf->flags & FIP_FL_AVAIL) ? "" : "un"); 1074 ? "" : "in", (fcf->flags & FIP_FL_AVAIL)
1075 ? "" : "un");
1063 continue; 1076 continue;
1064 } 1077 }
1065 if (!best) { 1078 if (!best) {
@@ -1069,7 +1082,8 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip)
1069 if (fcf->fabric_name != best->fabric_name || 1082 if (fcf->fabric_name != best->fabric_name ||
1070 fcf->vfid != best->vfid || 1083 fcf->vfid != best->vfid ||
1071 fcf->fc_map != best->fc_map) { 1084 fcf->fc_map != best->fc_map) {
1072 FIP_DBG("conflicting fabric, VFID, or FC-MAP\n"); 1085 LIBFCOE_FIP_DBG("Conflicting fabric, VFID, "
1086 "or FC-MAP\n");
1073 return; 1087 return;
1074 } 1088 }
1075 if (fcf->pri < best->pri) 1089 if (fcf->pri < best->pri)
@@ -1113,7 +1127,7 @@ static void fcoe_ctlr_timeout(unsigned long arg)
1113 if (sel != fcf) { 1127 if (sel != fcf) {
1114 fcf = sel; /* the old FCF may have been freed */ 1128 fcf = sel; /* the old FCF may have been freed */
1115 if (sel) { 1129 if (sel) {
1116 printk(KERN_INFO "host%d: FIP selected " 1130 printk(KERN_INFO "libfcoe: host%d: FIP selected "
1117 "Fibre-Channel Forwarder MAC %s\n", 1131 "Fibre-Channel Forwarder MAC %s\n",
1118 fip->lp->host->host_no, 1132 fip->lp->host->host_no,
1119 print_mac(buf, sel->fcf_mac)); 1133 print_mac(buf, sel->fcf_mac));
@@ -1123,7 +1137,7 @@ static void fcoe_ctlr_timeout(unsigned long arg)
1123 fip->ctlr_ka_time = jiffies + sel->fka_period; 1137 fip->ctlr_ka_time = jiffies + sel->fka_period;
1124 fip->link = 1; 1138 fip->link = 1;
1125 } else { 1139 } else {
1126 printk(KERN_NOTICE "host%d: " 1140 printk(KERN_NOTICE "libfcoe: host%d: "
1127 "FIP Fibre-Channel Forwarder timed out. " 1141 "FIP Fibre-Channel Forwarder timed out. "
1128 "Starting FCF discovery.\n", 1142 "Starting FCF discovery.\n",
1129 fip->lp->host->host_no); 1143 fip->lp->host->host_no);
@@ -1247,7 +1261,7 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_frame *fp, u8 *sa)
1247 return -EINVAL; 1261 return -EINVAL;
1248 } 1262 }
1249 fip->state = FIP_ST_NON_FIP; 1263 fip->state = FIP_ST_NON_FIP;
1250 FIP_DBG("received FLOGI LS_ACC using non-FIP mode\n"); 1264 LIBFCOE_FIP_DBG("received FLOGI LS_ACC using non-FIP mode\n");
1251 1265
1252 /* 1266 /*
1253 * FLOGI accepted. 1267 * FLOGI accepted.
@@ -1276,7 +1290,7 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_frame *fp, u8 *sa)
1276 memcpy(fip->dest_addr, sa, ETH_ALEN); 1290 memcpy(fip->dest_addr, sa, ETH_ALEN);
1277 fip->map_dest = 0; 1291 fip->map_dest = 0;
1278 if (fip->state == FIP_ST_NON_FIP) 1292 if (fip->state == FIP_ST_NON_FIP)
1279 FIP_DBG("received FLOGI REQ, " 1293 LIBFCOE_FIP_DBG("received FLOGI REQ, "
1280 "using non-FIP mode\n"); 1294 "using non-FIP mode\n");
1281 fip->state = FIP_ST_NON_FIP; 1295 fip->state = FIP_ST_NON_FIP;
1282 } 1296 }
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 89d41a424b33..5fd2da494d08 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -40,7 +40,7 @@
40#include "scsi_logging.h" 40#include "scsi_logging.h"
41 41
42 42
43static int scsi_host_next_hn; /* host_no for next new host */ 43static atomic_t scsi_host_next_hn; /* host_no for next new host */
44 44
45 45
46static void scsi_host_cls_release(struct device *dev) 46static void scsi_host_cls_release(struct device *dev)
@@ -333,7 +333,11 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
333 333
334 mutex_init(&shost->scan_mutex); 334 mutex_init(&shost->scan_mutex);
335 335
336 shost->host_no = scsi_host_next_hn++; /* XXX(hch): still racy */ 336 /*
337 * subtract one because we increment first then return, but we need to
338 * know what the next host number was before increment
339 */
340 shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1;
337 shost->dma_channel = 0xff; 341 shost->dma_channel = 0xff;
338 342
339 /* These three are default values which can be overridden */ 343 /* These three are default values which can be overridden */
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index b4b805e8d7db..166d96450a0e 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2254,10 +2254,13 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq,
2254 continue; 2254 continue;
2255 if (crq->node_name && tgt->ids.node_name != crq->node_name) 2255 if (crq->node_name && tgt->ids.node_name != crq->node_name)
2256 continue; 2256 continue;
2257 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); 2257 if (tgt->need_login && crq->event == IBMVFC_AE_ELS_LOGO)
2258 tgt->logo_rcvd = 1;
2259 if (!tgt->need_login || crq->event == IBMVFC_AE_ELS_PLOGI) {
2260 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT);
2261 ibmvfc_reinit_host(vhost);
2262 }
2258 } 2263 }
2259
2260 ibmvfc_reinit_host(vhost);
2261 break; 2264 break;
2262 case IBMVFC_AE_LINK_DOWN: 2265 case IBMVFC_AE_LINK_DOWN:
2263 case IBMVFC_AE_ADAPTER_FAILED: 2266 case IBMVFC_AE_ADAPTER_FAILED:
@@ -2783,27 +2786,27 @@ static void ibmvfc_tasklet(void *data)
2783 2786
2784 spin_lock_irqsave(vhost->host->host_lock, flags); 2787 spin_lock_irqsave(vhost->host->host_lock, flags);
2785 while (!done) { 2788 while (!done) {
2786 /* Pull all the valid messages off the CRQ */
2787 while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
2788 ibmvfc_handle_crq(crq, vhost);
2789 crq->valid = 0;
2790 }
2791
2792 /* Pull all the valid messages off the async CRQ */ 2789 /* Pull all the valid messages off the async CRQ */
2793 while ((async = ibmvfc_next_async_crq(vhost)) != NULL) { 2790 while ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
2794 ibmvfc_handle_async(async, vhost); 2791 ibmvfc_handle_async(async, vhost);
2795 async->valid = 0; 2792 async->valid = 0;
2796 } 2793 }
2797 2794
2798 vio_enable_interrupts(vdev); 2795 /* Pull all the valid messages off the CRQ */
2799 if ((crq = ibmvfc_next_crq(vhost)) != NULL) { 2796 while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
2800 vio_disable_interrupts(vdev);
2801 ibmvfc_handle_crq(crq, vhost); 2797 ibmvfc_handle_crq(crq, vhost);
2802 crq->valid = 0; 2798 crq->valid = 0;
2803 } else if ((async = ibmvfc_next_async_crq(vhost)) != NULL) { 2799 }
2800
2801 vio_enable_interrupts(vdev);
2802 if ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
2804 vio_disable_interrupts(vdev); 2803 vio_disable_interrupts(vdev);
2805 ibmvfc_handle_async(async, vhost); 2804 ibmvfc_handle_async(async, vhost);
2806 async->valid = 0; 2805 async->valid = 0;
2806 } else if ((crq = ibmvfc_next_crq(vhost)) != NULL) {
2807 vio_disable_interrupts(vdev);
2808 ibmvfc_handle_crq(crq, vhost);
2809 crq->valid = 0;
2807 } else 2810 } else
2808 done = 1; 2811 done = 1;
2809 } 2812 }
@@ -2927,7 +2930,11 @@ static void ibmvfc_tgt_prli_done(struct ibmvfc_event *evt)
2927 break; 2930 break;
2928 case IBMVFC_MAD_FAILED: 2931 case IBMVFC_MAD_FAILED:
2929 default: 2932 default:
2930 if (ibmvfc_retry_cmd(rsp->status, rsp->error)) 2933 if ((rsp->status & IBMVFC_VIOS_FAILURE) && rsp->error == IBMVFC_PLOGI_REQUIRED)
2934 level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_plogi);
2935 else if (tgt->logo_rcvd)
2936 level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_plogi);
2937 else if (ibmvfc_retry_cmd(rsp->status, rsp->error))
2931 level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_prli); 2938 level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_prli);
2932 else 2939 else
2933 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); 2940 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT);
@@ -3054,6 +3061,7 @@ static void ibmvfc_tgt_send_plogi(struct ibmvfc_target *tgt)
3054 return; 3061 return;
3055 3062
3056 kref_get(&tgt->kref); 3063 kref_get(&tgt->kref);
3064 tgt->logo_rcvd = 0;
3057 evt = ibmvfc_get_event(vhost); 3065 evt = ibmvfc_get_event(vhost);
3058 vhost->discovery_threads++; 3066 vhost->discovery_threads++;
3059 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_INIT_WAIT); 3067 ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_INIT_WAIT);
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index c2668d7d67f5..007fa1c9ef14 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -605,6 +605,7 @@ struct ibmvfc_target {
605 int need_login; 605 int need_login;
606 int add_rport; 606 int add_rport;
607 int init_retries; 607 int init_retries;
608 int logo_rcvd;
608 u32 cancel_key; 609 u32 cancel_key;
609 struct ibmvfc_service_parms service_parms; 610 struct ibmvfc_service_parms service_parms;
610 struct ibmvfc_service_parms service_parms_change; 611 struct ibmvfc_service_parms service_parms_change;
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0f8bc772b112..5f045505a1f4 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -131,13 +131,13 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
131}; 131};
132 132
133static const struct ipr_chip_t ipr_chip[] = { 133static const struct ipr_chip_t ipr_chip[] = {
134 { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, &ipr_chip_cfg[0] }, 134 { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, &ipr_chip_cfg[0] },
135 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] }, 135 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, &ipr_chip_cfg[0] },
136 { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] }, 136 { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] },
137 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] }, 137 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] },
138 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] }, 138 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, &ipr_chip_cfg[0] },
139 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] }, 139 { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, &ipr_chip_cfg[1] },
140 { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] } 140 { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, &ipr_chip_cfg[1] }
141}; 141};
142 142
143static int ipr_max_bus_speeds [] = { 143static int ipr_max_bus_speeds [] = {
@@ -7367,6 +7367,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
7367 INIT_LIST_HEAD(&ioa_cfg->used_res_q); 7367 INIT_LIST_HEAD(&ioa_cfg->used_res_q);
7368 INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); 7368 INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread);
7369 init_waitqueue_head(&ioa_cfg->reset_wait_q); 7369 init_waitqueue_head(&ioa_cfg->reset_wait_q);
7370 init_waitqueue_head(&ioa_cfg->msi_wait_q);
7370 ioa_cfg->sdt_state = INACTIVE; 7371 ioa_cfg->sdt_state = INACTIVE;
7371 if (ipr_enable_cache) 7372 if (ipr_enable_cache)
7372 ioa_cfg->cache_state = CACHE_ENABLED; 7373 ioa_cfg->cache_state = CACHE_ENABLED;
@@ -7398,25 +7399,108 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
7398} 7399}
7399 7400
7400/** 7401/**
7401 * ipr_get_chip_cfg - Find adapter chip configuration 7402 * ipr_get_chip_info - Find adapter chip information
7402 * @dev_id: PCI device id struct 7403 * @dev_id: PCI device id struct
7403 * 7404 *
7404 * Return value: 7405 * Return value:
7405 * ptr to chip config on success / NULL on failure 7406 * ptr to chip information on success / NULL on failure
7406 **/ 7407 **/
7407static const struct ipr_chip_cfg_t * __devinit 7408static const struct ipr_chip_t * __devinit
7408ipr_get_chip_cfg(const struct pci_device_id *dev_id) 7409ipr_get_chip_info(const struct pci_device_id *dev_id)
7409{ 7410{
7410 int i; 7411 int i;
7411 7412
7412 for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) 7413 for (i = 0; i < ARRAY_SIZE(ipr_chip); i++)
7413 if (ipr_chip[i].vendor == dev_id->vendor && 7414 if (ipr_chip[i].vendor == dev_id->vendor &&
7414 ipr_chip[i].device == dev_id->device) 7415 ipr_chip[i].device == dev_id->device)
7415 return ipr_chip[i].cfg; 7416 return &ipr_chip[i];
7416 return NULL; 7417 return NULL;
7417} 7418}
7418 7419
7419/** 7420/**
7421 * ipr_test_intr - Handle the interrupt generated in ipr_test_msi().
7422 * @pdev: PCI device struct
7423 *
7424 * Description: Simply set the msi_received flag to 1 indicating that
7425 * Message Signaled Interrupts are supported.
7426 *
7427 * Return value:
7428 * 0 on success / non-zero on failure
7429 **/
7430static irqreturn_t __devinit ipr_test_intr(int irq, void *devp)
7431{
7432 struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp;
7433 unsigned long lock_flags = 0;
7434 irqreturn_t rc = IRQ_HANDLED;
7435
7436 spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
7437
7438 ioa_cfg->msi_received = 1;
7439 wake_up(&ioa_cfg->msi_wait_q);
7440
7441 spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
7442 return rc;
7443}
7444
7445/**
7446 * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support.
7447 * @pdev: PCI device struct
7448 *
7449 * Description: The return value from pci_enable_msi() can not always be
7450 * trusted. This routine sets up and initiates a test interrupt to determine
7451 * if the interrupt is received via the ipr_test_intr() service routine.
7452 * If the tests fails, the driver will fall back to LSI.
7453 *
7454 * Return value:
7455 * 0 on success / non-zero on failure
7456 **/
7457static int __devinit ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg,
7458 struct pci_dev *pdev)
7459{
7460 int rc;
7461 volatile u32 int_reg;
7462 unsigned long lock_flags = 0;
7463
7464 ENTER;
7465
7466 spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
7467 init_waitqueue_head(&ioa_cfg->msi_wait_q);
7468 ioa_cfg->msi_received = 0;
7469 ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
7470 writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg);
7471 int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
7472 spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
7473
7474 rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
7475 if (rc) {
7476 dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq);
7477 return rc;
7478 } else if (ipr_debug)
7479 dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq);
7480
7481 writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg);
7482 int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
7483 wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ);
7484 ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
7485
7486 spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
7487 if (!ioa_cfg->msi_received) {
7488 /* MSI test failed */
7489 dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n");
7490 rc = -EOPNOTSUPP;
7491 } else if (ipr_debug)
7492 dev_info(&pdev->dev, "MSI test succeeded.\n");
7493
7494 spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
7495
7496 free_irq(pdev->irq, ioa_cfg);
7497
7498 LEAVE;
7499
7500 return rc;
7501}
7502
7503/**
7420 * ipr_probe_ioa - Allocates memory and does first stage of initialization 7504 * ipr_probe_ioa - Allocates memory and does first stage of initialization
7421 * @pdev: PCI device struct 7505 * @pdev: PCI device struct
7422 * @dev_id: PCI device id struct 7506 * @dev_id: PCI device id struct
@@ -7441,11 +7525,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
7441 goto out; 7525 goto out;
7442 } 7526 }
7443 7527
7444 if (!(rc = pci_enable_msi(pdev)))
7445 dev_info(&pdev->dev, "MSI enabled\n");
7446 else if (ipr_debug)
7447 dev_info(&pdev->dev, "Cannot enable MSI\n");
7448
7449 dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); 7528 dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq);
7450 7529
7451 host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); 7530 host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg));
@@ -7461,14 +7540,16 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
7461 ata_host_init(&ioa_cfg->ata_host, &pdev->dev, 7540 ata_host_init(&ioa_cfg->ata_host, &pdev->dev,
7462 sata_port_info.flags, &ipr_sata_ops); 7541 sata_port_info.flags, &ipr_sata_ops);
7463 7542
7464 ioa_cfg->chip_cfg = ipr_get_chip_cfg(dev_id); 7543 ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id);
7465 7544
7466 if (!ioa_cfg->chip_cfg) { 7545 if (!ioa_cfg->ipr_chip) {
7467 dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", 7546 dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n",
7468 dev_id->vendor, dev_id->device); 7547 dev_id->vendor, dev_id->device);
7469 goto out_scsi_host_put; 7548 goto out_scsi_host_put;
7470 } 7549 }
7471 7550
7551 ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg;
7552
7472 if (ipr_transop_timeout) 7553 if (ipr_transop_timeout)
7473 ioa_cfg->transop_timeout = ipr_transop_timeout; 7554 ioa_cfg->transop_timeout = ipr_transop_timeout;
7474 else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) 7555 else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT)
@@ -7519,6 +7600,18 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
7519 goto cleanup_nomem; 7600 goto cleanup_nomem;
7520 } 7601 }
7521 7602
7603 /* Enable MSI style interrupts if they are supported. */
7604 if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && !pci_enable_msi(pdev)) {
7605 rc = ipr_test_msi(ioa_cfg, pdev);
7606 if (rc == -EOPNOTSUPP)
7607 pci_disable_msi(pdev);
7608 else if (rc)
7609 goto out_msi_disable;
7610 else
7611 dev_info(&pdev->dev, "MSI enabled with IRQ: %d\n", pdev->irq);
7612 } else if (ipr_debug)
7613 dev_info(&pdev->dev, "Cannot enable MSI.\n");
7614
7522 /* Save away PCI config space for use following IOA reset */ 7615 /* Save away PCI config space for use following IOA reset */
7523 rc = pci_save_state(pdev); 7616 rc = pci_save_state(pdev);
7524 7617
@@ -7556,7 +7649,9 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
7556 ioa_cfg->ioa_unit_checked = 1; 7649 ioa_cfg->ioa_unit_checked = 1;
7557 7650
7558 ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); 7651 ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
7559 rc = request_irq(pdev->irq, ipr_isr, IRQF_SHARED, IPR_NAME, ioa_cfg); 7652 rc = request_irq(pdev->irq, ipr_isr,
7653 ioa_cfg->msi_received ? 0 : IRQF_SHARED,
7654 IPR_NAME, ioa_cfg);
7560 7655
7561 if (rc) { 7656 if (rc) {
7562 dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", 7657 dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n",
@@ -7583,12 +7678,13 @@ cleanup_nolog:
7583 ipr_free_mem(ioa_cfg); 7678 ipr_free_mem(ioa_cfg);
7584cleanup_nomem: 7679cleanup_nomem:
7585 iounmap(ipr_regs); 7680 iounmap(ipr_regs);
7681out_msi_disable:
7682 pci_disable_msi(pdev);
7586out_release_regions: 7683out_release_regions:
7587 pci_release_regions(pdev); 7684 pci_release_regions(pdev);
7588out_scsi_host_put: 7685out_scsi_host_put:
7589 scsi_host_put(host); 7686 scsi_host_put(host);
7590out_disable: 7687out_disable:
7591 pci_disable_msi(pdev);
7592 pci_disable_device(pdev); 7688 pci_disable_device(pdev);
7593 goto out; 7689 goto out;
7594} 7690}
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 79a3ae4fb2c7..4b63dd6b1c81 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
37/* 37/*
38 * Literals 38 * Literals
39 */ 39 */
40#define IPR_DRIVER_VERSION "2.4.2" 40#define IPR_DRIVER_VERSION "2.4.3"
41#define IPR_DRIVER_DATE "(January 21, 2009)" 41#define IPR_DRIVER_DATE "(June 10, 2009)"
42 42
43/* 43/*
44 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding 44 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -1025,6 +1025,9 @@ struct ipr_chip_cfg_t {
1025struct ipr_chip_t { 1025struct ipr_chip_t {
1026 u16 vendor; 1026 u16 vendor;
1027 u16 device; 1027 u16 device;
1028 u16 intr_type;
1029#define IPR_USE_LSI 0x00
1030#define IPR_USE_MSI 0x01
1028 const struct ipr_chip_cfg_t *cfg; 1031 const struct ipr_chip_cfg_t *cfg;
1029}; 1032};
1030 1033
@@ -1094,6 +1097,7 @@ struct ipr_ioa_cfg {
1094 u8 needs_hard_reset:1; 1097 u8 needs_hard_reset:1;
1095 u8 dual_raid:1; 1098 u8 dual_raid:1;
1096 u8 needs_warm_reset:1; 1099 u8 needs_warm_reset:1;
1100 u8 msi_received:1;
1097 1101
1098 u8 revid; 1102 u8 revid;
1099 1103
@@ -1159,6 +1163,7 @@ struct ipr_ioa_cfg {
1159 1163
1160 unsigned int transop_timeout; 1164 unsigned int transop_timeout;
1161 const struct ipr_chip_cfg_t *chip_cfg; 1165 const struct ipr_chip_cfg_t *chip_cfg;
1166 const struct ipr_chip_t *ipr_chip;
1162 1167
1163 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */ 1168 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1164 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */ 1169 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
@@ -1179,6 +1184,7 @@ struct ipr_ioa_cfg {
1179 struct work_struct work_q; 1184 struct work_struct work_q;
1180 1185
1181 wait_queue_head_t reset_wait_q; 1186 wait_queue_head_t reset_wait_q;
1187 wait_queue_head_t msi_wait_q;
1182 1188
1183 struct ipr_dump *dump; 1189 struct ipr_dump *dump;
1184 enum ipr_sdt_state sdt_state; 1190 enum ipr_sdt_state sdt_state;
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index b7c092d63bbe..518dbd91df85 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -253,8 +253,6 @@ static int iscsi_sw_tcp_xmit_segment(struct iscsi_tcp_conn *tcp_conn,
253 253
254 if (r < 0) { 254 if (r < 0) {
255 iscsi_tcp_segment_unmap(segment); 255 iscsi_tcp_segment_unmap(segment);
256 if (copied || r == -EAGAIN)
257 break;
258 return r; 256 return r;
259 } 257 }
260 copied += r; 258 copied += r;
@@ -275,11 +273,17 @@ static int iscsi_sw_tcp_xmit(struct iscsi_conn *conn)
275 273
276 while (1) { 274 while (1) {
277 rc = iscsi_sw_tcp_xmit_segment(tcp_conn, segment); 275 rc = iscsi_sw_tcp_xmit_segment(tcp_conn, segment);
278 if (rc < 0) { 276 /*
277 * We may not have been able to send data because the conn
278 * is getting stopped. libiscsi will know so propogate err
279 * for it to do the right thing.
280 */
281 if (rc == -EAGAIN)
282 return rc;
283 else if (rc < 0) {
279 rc = ISCSI_ERR_XMIT_FAILED; 284 rc = ISCSI_ERR_XMIT_FAILED;
280 goto error; 285 goto error;
281 } 286 } else if (rc == 0)
282 if (rc == 0)
283 break; 287 break;
284 288
285 consumed += rc; 289 consumed += rc;
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 4c880656990b..6fabf66972b9 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -45,14 +45,6 @@
45 45
46#define FC_DISC_DELAY 3 46#define FC_DISC_DELAY 3
47 47
48static int fc_disc_debug;
49
50#define FC_DEBUG_DISC(fmt...) \
51 do { \
52 if (fc_disc_debug) \
53 FC_DBG(fmt); \
54 } while (0)
55
56static void fc_disc_gpn_ft_req(struct fc_disc *); 48static void fc_disc_gpn_ft_req(struct fc_disc *);
57static void fc_disc_gpn_ft_resp(struct fc_seq *, struct fc_frame *, void *); 49static void fc_disc_gpn_ft_resp(struct fc_seq *, struct fc_frame *, void *);
58static int fc_disc_new_target(struct fc_disc *, struct fc_rport *, 50static int fc_disc_new_target(struct fc_disc *, struct fc_rport *,
@@ -137,8 +129,8 @@ static void fc_disc_rport_callback(struct fc_lport *lport,
137 struct fc_rport_libfc_priv *rdata = rport->dd_data; 129 struct fc_rport_libfc_priv *rdata = rport->dd_data;
138 struct fc_disc *disc = &lport->disc; 130 struct fc_disc *disc = &lport->disc;
139 131
140 FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event, 132 FC_DISC_DBG(disc, "Received a %d event for port (%6x)\n", event,
141 rport->port_id); 133 rport->port_id);
142 134
143 switch (event) { 135 switch (event) {
144 case RPORT_EV_CREATED: 136 case RPORT_EV_CREATED:
@@ -191,8 +183,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
191 183
192 lport = disc->lport; 184 lport = disc->lport;
193 185
194 FC_DEBUG_DISC("Received an RSCN event on port (%6x)\n", 186 FC_DISC_DBG(disc, "Received an RSCN event\n");
195 fc_host_port_id(lport->host));
196 187
197 /* make sure the frame contains an RSCN message */ 188 /* make sure the frame contains an RSCN message */
198 rp = fc_frame_payload_get(fp, sizeof(*rp)); 189 rp = fc_frame_payload_get(fp, sizeof(*rp));
@@ -225,8 +216,8 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
225 */ 216 */
226 switch (fmt) { 217 switch (fmt) {
227 case ELS_ADDR_FMT_PORT: 218 case ELS_ADDR_FMT_PORT:
228 FC_DEBUG_DISC("Port address format for port (%6x)\n", 219 FC_DISC_DBG(disc, "Port address format for port "
229 ntoh24(pp->rscn_fid)); 220 "(%6x)\n", ntoh24(pp->rscn_fid));
230 dp = kzalloc(sizeof(*dp), GFP_KERNEL); 221 dp = kzalloc(sizeof(*dp), GFP_KERNEL);
231 if (!dp) { 222 if (!dp) {
232 redisc = 1; 223 redisc = 1;
@@ -243,19 +234,19 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
243 case ELS_ADDR_FMT_DOM: 234 case ELS_ADDR_FMT_DOM:
244 case ELS_ADDR_FMT_FAB: 235 case ELS_ADDR_FMT_FAB:
245 default: 236 default:
246 FC_DEBUG_DISC("Address format is (%d)\n", fmt); 237 FC_DISC_DBG(disc, "Address format is (%d)\n", fmt);
247 redisc = 1; 238 redisc = 1;
248 break; 239 break;
249 } 240 }
250 } 241 }
251 lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); 242 lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL);
252 if (redisc) { 243 if (redisc) {
253 FC_DEBUG_DISC("RSCN received: rediscovering\n"); 244 FC_DISC_DBG(disc, "RSCN received: rediscovering\n");
254 fc_disc_restart(disc); 245 fc_disc_restart(disc);
255 } else { 246 } else {
256 FC_DEBUG_DISC("RSCN received: not rediscovering. " 247 FC_DISC_DBG(disc, "RSCN received: not rediscovering. "
257 "redisc %d state %d in_prog %d\n", 248 "redisc %d state %d in_prog %d\n",
258 redisc, lport->state, disc->pending); 249 redisc, lport->state, disc->pending);
259 list_for_each_entry_safe(dp, next, &disc_ports, peers) { 250 list_for_each_entry_safe(dp, next, &disc_ports, peers) {
260 list_del(&dp->peers); 251 list_del(&dp->peers);
261 rport = lport->tt.rport_lookup(lport, dp->ids.port_id); 252 rport = lport->tt.rport_lookup(lport, dp->ids.port_id);
@@ -270,7 +261,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
270 fc_frame_free(fp); 261 fc_frame_free(fp);
271 return; 262 return;
272reject: 263reject:
273 FC_DEBUG_DISC("Received a bad RSCN frame\n"); 264 FC_DISC_DBG(disc, "Received a bad RSCN frame\n");
274 rjt_data.fp = NULL; 265 rjt_data.fp = NULL;
275 rjt_data.reason = ELS_RJT_LOGIC; 266 rjt_data.reason = ELS_RJT_LOGIC;
276 rjt_data.explan = ELS_EXPL_NONE; 267 rjt_data.explan = ELS_EXPL_NONE;
@@ -302,7 +293,8 @@ static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp,
302 mutex_unlock(&disc->disc_mutex); 293 mutex_unlock(&disc->disc_mutex);
303 break; 294 break;
304 default: 295 default:
305 FC_DBG("Received an unsupported request. opcode (%x)\n", op); 296 FC_DISC_DBG(disc, "Received an unsupported request, "
297 "the opcode is (%x)\n", op);
306 break; 298 break;
307 } 299 }
308} 300}
@@ -320,12 +312,10 @@ static void fc_disc_restart(struct fc_disc *disc)
320 struct fc_rport_libfc_priv *rdata, *next; 312 struct fc_rport_libfc_priv *rdata, *next;
321 struct fc_lport *lport = disc->lport; 313 struct fc_lport *lport = disc->lport;
322 314
323 FC_DEBUG_DISC("Restarting discovery for port (%6x)\n", 315 FC_DISC_DBG(disc, "Restarting discovery\n");
324 fc_host_port_id(lport->host));
325 316
326 list_for_each_entry_safe(rdata, next, &disc->rports, peers) { 317 list_for_each_entry_safe(rdata, next, &disc->rports, peers) {
327 rport = PRIV_TO_RPORT(rdata); 318 rport = PRIV_TO_RPORT(rdata);
328 FC_DEBUG_DISC("list_del(%6x)\n", rport->port_id);
329 list_del(&rdata->peers); 319 list_del(&rdata->peers);
330 lport->tt.rport_logoff(rport); 320 lport->tt.rport_logoff(rport);
331 } 321 }
@@ -485,8 +475,7 @@ static void fc_disc_done(struct fc_disc *disc)
485 struct fc_lport *lport = disc->lport; 475 struct fc_lport *lport = disc->lport;
486 enum fc_disc_event event; 476 enum fc_disc_event event;
487 477
488 FC_DEBUG_DISC("Discovery complete for port (%6x)\n", 478 FC_DISC_DBG(disc, "Discovery complete\n");
489 fc_host_port_id(lport->host));
490 479
491 event = disc->event; 480 event = disc->event;
492 disc->event = DISC_EV_NONE; 481 disc->event = DISC_EV_NONE;
@@ -510,10 +499,10 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
510{ 499{
511 struct fc_lport *lport = disc->lport; 500 struct fc_lport *lport = disc->lport;
512 unsigned long delay = 0; 501 unsigned long delay = 0;
513 if (fc_disc_debug) 502
514 FC_DBG("Error %ld, retries %d/%d\n", 503 FC_DISC_DBG(disc, "Error %ld, retries %d/%d\n",
515 PTR_ERR(fp), disc->retry_count, 504 PTR_ERR(fp), disc->retry_count,
516 FC_DISC_RETRY_LIMIT); 505 FC_DISC_RETRY_LIMIT);
517 506
518 if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) { 507 if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) {
519 /* 508 /*
@@ -649,9 +638,9 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
649 &disc->rogue_rports); 638 &disc->rogue_rports);
650 lport->tt.rport_login(rport); 639 lport->tt.rport_login(rport);
651 } else 640 } else
652 FC_DBG("Failed to allocate memory for " 641 printk(KERN_WARNING "libfc: Failed to allocate "
653 "the newly discovered port (%6x)\n", 642 "memory for the newly discovered port "
654 dp.ids.port_id); 643 "(%6x)\n", dp.ids.port_id);
655 } 644 }
656 645
657 if (np->fp_flags & FC_NS_FID_LAST) { 646 if (np->fp_flags & FC_NS_FID_LAST) {
@@ -671,9 +660,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
671 */ 660 */
672 if (error == 0 && len > 0 && len < sizeof(*np)) { 661 if (error == 0 && len > 0 && len < sizeof(*np)) {
673 if (np != &disc->partial_buf) { 662 if (np != &disc->partial_buf) {
674 FC_DEBUG_DISC("Partial buffer remains " 663 FC_DISC_DBG(disc, "Partial buffer remains "
675 "for discovery by (%6x)\n", 664 "for discovery\n");
676 fc_host_port_id(lport->host));
677 memcpy(&disc->partial_buf, np, len); 665 memcpy(&disc->partial_buf, np, len);
678 } 666 }
679 disc->buf_len = (unsigned char) len; 667 disc->buf_len = (unsigned char) len;
@@ -721,8 +709,7 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
721 int error; 709 int error;
722 710
723 mutex_lock(&disc->disc_mutex); 711 mutex_lock(&disc->disc_mutex);
724 FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n", 712 FC_DISC_DBG(disc, "Received a GPN_FT response\n");
725 fc_host_port_id(disc->lport->host));
726 713
727 if (IS_ERR(fp)) { 714 if (IS_ERR(fp)) {
728 fc_disc_error(disc, fp); 715 fc_disc_error(disc, fp);
@@ -738,30 +725,30 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
738 disc->seq_count == 0) { 725 disc->seq_count == 0) {
739 cp = fc_frame_payload_get(fp, sizeof(*cp)); 726 cp = fc_frame_payload_get(fp, sizeof(*cp));
740 if (!cp) { 727 if (!cp) {
741 FC_DBG("GPN_FT response too short, len %d\n", 728 FC_DISC_DBG(disc, "GPN_FT response too short, len %d\n",
742 fr_len(fp)); 729 fr_len(fp));
743 } else if (ntohs(cp->ct_cmd) == FC_FS_ACC) { 730 } else if (ntohs(cp->ct_cmd) == FC_FS_ACC) {
744 731
745 /* Accepted, parse the response. */ 732 /* Accepted, parse the response. */
746 buf = cp + 1; 733 buf = cp + 1;
747 len -= sizeof(*cp); 734 len -= sizeof(*cp);
748 } else if (ntohs(cp->ct_cmd) == FC_FS_RJT) { 735 } else if (ntohs(cp->ct_cmd) == FC_FS_RJT) {
749 FC_DBG("GPN_FT rejected reason %x exp %x " 736 FC_DISC_DBG(disc, "GPN_FT rejected reason %x exp %x "
750 "(check zoning)\n", cp->ct_reason, 737 "(check zoning)\n", cp->ct_reason,
751 cp->ct_explan); 738 cp->ct_explan);
752 disc->event = DISC_EV_FAILED; 739 disc->event = DISC_EV_FAILED;
753 fc_disc_done(disc); 740 fc_disc_done(disc);
754 } else { 741 } else {
755 FC_DBG("GPN_FT unexpected response code %x\n", 742 FC_DISC_DBG(disc, "GPN_FT unexpected response code "
756 ntohs(cp->ct_cmd)); 743 "%x\n", ntohs(cp->ct_cmd));
757 } 744 }
758 } else if (fr_sof(fp) == FC_SOF_N3 && 745 } else if (fr_sof(fp) == FC_SOF_N3 &&
759 seq_cnt == disc->seq_count) { 746 seq_cnt == disc->seq_count) {
760 buf = fh + 1; 747 buf = fh + 1;
761 } else { 748 } else {
762 FC_DBG("GPN_FT unexpected frame - out of sequence? " 749 FC_DISC_DBG(disc, "GPN_FT unexpected frame - out of sequence? "
763 "seq_cnt %x expected %x sof %x eof %x\n", 750 "seq_cnt %x expected %x sof %x eof %x\n",
764 seq_cnt, disc->seq_count, fr_sof(fp), fr_eof(fp)); 751 seq_cnt, disc->seq_count, fr_sof(fp), fr_eof(fp));
765 } 752 }
766 if (buf) { 753 if (buf) {
767 error = fc_disc_gpn_ft_parse(disc, buf, len); 754 error = fc_disc_gpn_ft_parse(disc, buf, len);
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 7af9bceb8aa9..2bc22be5f849 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -32,18 +32,7 @@
32#include <scsi/libfc.h> 32#include <scsi/libfc.h>
33#include <scsi/fc_encode.h> 33#include <scsi/fc_encode.h>
34 34
35/* 35static struct kmem_cache *fc_em_cachep; /* cache for exchanges */
36 * fc_exch_debug can be set in debugger or at compile time to get more logs.
37 */
38static int fc_exch_debug;
39
40#define FC_DEBUG_EXCH(fmt...) \
41 do { \
42 if (fc_exch_debug) \
43 FC_DBG(fmt); \
44 } while (0)
45
46static struct kmem_cache *fc_em_cachep; /* cache for exchanges */
47 36
48/* 37/*
49 * Structure and function definitions for managing Fibre Channel Exchanges 38 * Structure and function definitions for managing Fibre Channel Exchanges
@@ -333,8 +322,8 @@ static inline void fc_exch_timer_set_locked(struct fc_exch *ep,
333 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) 322 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE))
334 return; 323 return;
335 324
336 FC_DEBUG_EXCH("Exchange (%4x) timed out, notifying the upper layer\n", 325 FC_EXCH_DBG(ep, "Exchange timed out, notifying the upper layer\n");
337 ep->xid); 326
338 if (schedule_delayed_work(&ep->timeout_work, 327 if (schedule_delayed_work(&ep->timeout_work,
339 msecs_to_jiffies(timer_msec))) 328 msecs_to_jiffies(timer_msec)))
340 fc_exch_hold(ep); /* hold for timer */ 329 fc_exch_hold(ep); /* hold for timer */
@@ -545,7 +534,7 @@ struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp,
545 /* alloc a new xid */ 534 /* alloc a new xid */
546 xid = fc_em_alloc_xid(mp, fp); 535 xid = fc_em_alloc_xid(mp, fp);
547 if (!xid) { 536 if (!xid) {
548 printk(KERN_ERR "fc_em_alloc_xid() failed\n"); 537 printk(KERN_WARNING "libfc: Failed to allocate an exhange\n");
549 goto err; 538 goto err;
550 } 539 }
551 } 540 }
@@ -820,8 +809,8 @@ static struct fc_seq *fc_seq_start_next_locked(struct fc_seq *sp)
820 struct fc_exch *ep = fc_seq_exch(sp); 809 struct fc_exch *ep = fc_seq_exch(sp);
821 810
822 sp = fc_seq_alloc(ep, ep->seq_id++); 811 sp = fc_seq_alloc(ep, ep->seq_id++);
823 FC_DEBUG_EXCH("exch %4x f_ctl %6x seq %2x\n", 812 FC_EXCH_DBG(ep, "f_ctl %6x seq %2x\n",
824 ep->xid, ep->f_ctl, sp->id); 813 ep->f_ctl, sp->id);
825 return sp; 814 return sp;
826} 815}
827/* 816/*
@@ -901,7 +890,7 @@ void fc_seq_els_rsp_send(struct fc_seq *sp, enum fc_els_cmd els_cmd,
901 fc_exch_els_rec(sp, els_data->fp); 890 fc_exch_els_rec(sp, els_data->fp);
902 break; 891 break;
903 default: 892 default:
904 FC_DBG("Invalid ELS CMD:%x\n", els_cmd); 893 FC_EXCH_DBG(fc_seq_exch(sp), "Invalid ELS CMD:%x\n", els_cmd);
905 } 894 }
906} 895}
907EXPORT_SYMBOL(fc_seq_els_rsp_send); 896EXPORT_SYMBOL(fc_seq_els_rsp_send);
@@ -1134,7 +1123,7 @@ static void fc_exch_recv_req(struct fc_lport *lp, struct fc_exch_mgr *mp,
1134 lp->tt.lport_recv(lp, sp, fp); 1123 lp->tt.lport_recv(lp, sp, fp);
1135 fc_exch_release(ep); /* release from lookup */ 1124 fc_exch_release(ep); /* release from lookup */
1136 } else { 1125 } else {
1137 FC_DEBUG_EXCH("exch/seq lookup failed: reject %x\n", reject); 1126 FC_EM_DBG(mp, "exch/seq lookup failed: reject %x\n", reject);
1138 fc_frame_free(fp); 1127 fc_frame_free(fp);
1139 } 1128 }
1140} 1129}
@@ -1242,10 +1231,10 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
1242 sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ 1231 sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */
1243 if (!sp) { 1232 if (!sp) {
1244 atomic_inc(&mp->stats.xid_not_found); 1233 atomic_inc(&mp->stats.xid_not_found);
1245 FC_DEBUG_EXCH("seq lookup failed\n"); 1234 FC_EM_DBG(mp, "seq lookup failed\n");
1246 } else { 1235 } else {
1247 atomic_inc(&mp->stats.non_bls_resp); 1236 atomic_inc(&mp->stats.non_bls_resp);
1248 FC_DEBUG_EXCH("non-BLS response to sequence"); 1237 FC_EM_DBG(mp, "non-BLS response to sequence");
1249 } 1238 }
1250 fc_frame_free(fp); 1239 fc_frame_free(fp);
1251} 1240}
@@ -1266,8 +1255,8 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp)
1266 int rc = 1, has_rec = 0; 1255 int rc = 1, has_rec = 0;
1267 1256
1268 fh = fc_frame_header_get(fp); 1257 fh = fc_frame_header_get(fp);
1269 FC_DEBUG_EXCH("exch: BLS rctl %x - %s\n", 1258 FC_EXCH_DBG(ep, "exch: BLS rctl %x - %s\n", fh->fh_r_ctl,
1270 fh->fh_r_ctl, fc_exch_rctl_name(fh->fh_r_ctl)); 1259 fc_exch_rctl_name(fh->fh_r_ctl));
1271 1260
1272 if (cancel_delayed_work_sync(&ep->timeout_work)) 1261 if (cancel_delayed_work_sync(&ep->timeout_work))
1273 fc_exch_release(ep); /* release from pending timer hold */ 1262 fc_exch_release(ep); /* release from pending timer hold */
@@ -1359,9 +1348,9 @@ static void fc_exch_recv_bls(struct fc_exch_mgr *mp, struct fc_frame *fp)
1359 case FC_RCTL_ACK_0: 1348 case FC_RCTL_ACK_0:
1360 break; 1349 break;
1361 default: 1350 default:
1362 FC_DEBUG_EXCH("BLS rctl %x - %s received", 1351 FC_EXCH_DBG(ep, "BLS rctl %x - %s received",
1363 fh->fh_r_ctl, 1352 fh->fh_r_ctl,
1364 fc_exch_rctl_name(fh->fh_r_ctl)); 1353 fc_exch_rctl_name(fh->fh_r_ctl));
1365 break; 1354 break;
1366 } 1355 }
1367 fc_frame_free(fp); 1356 fc_frame_free(fp);
@@ -1599,7 +1588,8 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg)
1599 1588
1600 if (err == -FC_EX_CLOSED || err == -FC_EX_TIMEOUT) 1589 if (err == -FC_EX_CLOSED || err == -FC_EX_TIMEOUT)
1601 goto cleanup; 1590 goto cleanup;
1602 FC_DBG("Cannot process RRQ, because of frame error %d\n", err); 1591 FC_EXCH_DBG(aborted_ep, "Cannot process RRQ, "
1592 "frame error %d\n", err);
1603 return; 1593 return;
1604 } 1594 }
1605 1595
@@ -1608,12 +1598,13 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg)
1608 1598
1609 switch (op) { 1599 switch (op) {
1610 case ELS_LS_RJT: 1600 case ELS_LS_RJT:
1611 FC_DBG("LS_RJT for RRQ"); 1601 FC_EXCH_DBG(aborted_ep, "LS_RJT for RRQ");
1612 /* fall through */ 1602 /* fall through */
1613 case ELS_LS_ACC: 1603 case ELS_LS_ACC:
1614 goto cleanup; 1604 goto cleanup;
1615 default: 1605 default:
1616 FC_DBG("unexpected response op %x for RRQ", op); 1606 FC_EXCH_DBG(aborted_ep, "unexpected response op %x "
1607 "for RRQ", op);
1617 return; 1608 return;
1618 } 1609 }
1619 1610
@@ -1740,8 +1731,8 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lp,
1740 size_t len; 1731 size_t len;
1741 1732
1742 if (max_xid <= min_xid || min_xid == 0 || max_xid == FC_XID_UNKNOWN) { 1733 if (max_xid <= min_xid || min_xid == 0 || max_xid == FC_XID_UNKNOWN) {
1743 FC_DBG("Invalid min_xid 0x:%x and max_xid 0x:%x\n", 1734 FC_LPORT_DBG(lp, "Invalid min_xid 0x:%x and max_xid 0x:%x\n",
1744 min_xid, max_xid); 1735 min_xid, max_xid);
1745 return NULL; 1736 return NULL;
1746 } 1737 }
1747 1738
@@ -1878,7 +1869,8 @@ void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp,
1878 1869
1879 /* lport lock ? */ 1870 /* lport lock ? */
1880 if (!lp || !mp || (lp->state == LPORT_ST_NONE)) { 1871 if (!lp || !mp || (lp->state == LPORT_ST_NONE)) {
1881 FC_DBG("fc_lport or EM is not allocated and configured"); 1872 FC_LPORT_DBG(lp, "Receiving frames for an lport that "
1873 "has not been initialized correctly\n");
1882 fc_frame_free(fp); 1874 fc_frame_free(fp);
1883 return; 1875 return;
1884 } 1876 }
@@ -1904,7 +1896,7 @@ void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp,
1904 fc_exch_recv_req(lp, mp, fp); 1896 fc_exch_recv_req(lp, mp, fp);
1905 break; 1897 break;
1906 default: 1898 default:
1907 FC_DBG("dropping invalid frame (eof %x)", fr_eof(fp)); 1899 FC_EM_DBG(mp, "dropping invalid frame (eof %x)", fr_eof(fp));
1908 fc_frame_free(fp); 1900 fc_frame_free(fp);
1909 break; 1901 break;
1910 } 1902 }
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index ad8b747837b0..e303e0d12c4b 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -43,13 +43,9 @@ MODULE_AUTHOR("Open-FCoE.org");
43MODULE_DESCRIPTION("libfc"); 43MODULE_DESCRIPTION("libfc");
44MODULE_LICENSE("GPL v2"); 44MODULE_LICENSE("GPL v2");
45 45
46static int fc_fcp_debug; 46unsigned int fc_debug_logging;
47 47module_param_named(debug_logging, fc_debug_logging, int, S_IRUGO|S_IWUSR);
48#define FC_DEBUG_FCP(fmt...) \ 48MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
49 do { \
50 if (fc_fcp_debug) \
51 FC_DBG(fmt); \
52 } while (0)
53 49
54static struct kmem_cache *scsi_pkt_cachep; 50static struct kmem_cache *scsi_pkt_cachep;
55 51
@@ -347,8 +343,8 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
347 if ((fr_flags(fp) & FCPHF_CRC_UNCHECKED) && 343 if ((fr_flags(fp) & FCPHF_CRC_UNCHECKED) &&
348 fc_frame_crc_check(fp)) 344 fc_frame_crc_check(fp))
349 goto crc_err; 345 goto crc_err;
350 FC_DEBUG_FCP("data received past end. len %zx offset %zx " 346 FC_FCP_DBG(fsp, "data received past end. len %zx offset %zx "
351 "data_len %x\n", len, offset, fsp->data_len); 347 "data_len %x\n", len, offset, fsp->data_len);
352 fc_fcp_retry_cmd(fsp); 348 fc_fcp_retry_cmd(fsp);
353 return; 349 return;
354 } 350 }
@@ -411,7 +407,8 @@ crc_err:
411 stats->ErrorFrames++; 407 stats->ErrorFrames++;
412 /* FIXME - per cpu count, not total count! */ 408 /* FIXME - per cpu count, not total count! */
413 if (stats->InvalidCRCCount++ < 5) 409 if (stats->InvalidCRCCount++ < 5)
414 printk(KERN_WARNING "CRC error on data frame for port (%6x)\n", 410 printk(KERN_WARNING "libfc: CRC error on data "
411 "frame for port (%6x)\n",
415 fc_host_port_id(lp->host)); 412 fc_host_port_id(lp->host));
416 /* 413 /*
417 * Assume the frame is total garbage. 414 * Assume the frame is total garbage.
@@ -475,14 +472,14 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
475 WARN_ON(seq_blen <= 0); 472 WARN_ON(seq_blen <= 0);
476 if (unlikely(offset + seq_blen > fsp->data_len)) { 473 if (unlikely(offset + seq_blen > fsp->data_len)) {
477 /* this should never happen */ 474 /* this should never happen */
478 FC_DEBUG_FCP("xfer-ready past end. seq_blen %zx offset %zx\n", 475 FC_FCP_DBG(fsp, "xfer-ready past end. seq_blen %zx "
479 seq_blen, offset); 476 "offset %zx\n", seq_blen, offset);
480 fc_fcp_send_abort(fsp); 477 fc_fcp_send_abort(fsp);
481 return 0; 478 return 0;
482 } else if (offset != fsp->xfer_len) { 479 } else if (offset != fsp->xfer_len) {
483 /* Out of Order Data Request - no problem, but unexpected. */ 480 /* Out of Order Data Request - no problem, but unexpected. */
484 FC_DEBUG_FCP("xfer-ready non-contiguous. " 481 FC_FCP_DBG(fsp, "xfer-ready non-contiguous. "
485 "seq_blen %zx offset %zx\n", seq_blen, offset); 482 "seq_blen %zx offset %zx\n", seq_blen, offset);
486 } 483 }
487 484
488 /* 485 /*
@@ -493,7 +490,7 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
493 t_blen = fsp->max_payload; 490 t_blen = fsp->max_payload;
494 if (lp->seq_offload) { 491 if (lp->seq_offload) {
495 t_blen = min(seq_blen, (size_t)lp->lso_max); 492 t_blen = min(seq_blen, (size_t)lp->lso_max);
496 FC_DEBUG_FCP("fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n", 493 FC_FCP_DBG(fsp, "fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n",
497 fsp, seq_blen, lp->lso_max, t_blen); 494 fsp, seq_blen, lp->lso_max, t_blen);
498 } 495 }
499 496
@@ -694,7 +691,7 @@ static void fc_fcp_reduce_can_queue(struct fc_lport *lp)
694 if (!can_queue) 691 if (!can_queue)
695 can_queue = 1; 692 can_queue = 1;
696 lp->host->can_queue = can_queue; 693 lp->host->can_queue = can_queue;
697 shost_printk(KERN_ERR, lp->host, "Could not allocate frame.\n" 694 shost_printk(KERN_ERR, lp->host, "libfc: Could not allocate frame.\n"
698 "Reducing can_queue to %d.\n", can_queue); 695 "Reducing can_queue to %d.\n", can_queue);
699done: 696done:
700 spin_unlock_irqrestore(lp->host->host_lock, flags); 697 spin_unlock_irqrestore(lp->host->host_lock, flags);
@@ -768,7 +765,7 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)
768 765
769 fc_fcp_resp(fsp, fp); 766 fc_fcp_resp(fsp, fp);
770 } else { 767 } else {
771 FC_DBG("unexpected frame. r_ctl %x\n", r_ctl); 768 FC_FCP_DBG(fsp, "unexpected frame. r_ctl %x\n", r_ctl);
772 } 769 }
773unlock: 770unlock:
774 fc_fcp_unlock_pkt(fsp); 771 fc_fcp_unlock_pkt(fsp);
@@ -877,17 +874,17 @@ static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
877 return; 874 return;
878 } 875 }
879 fsp->status_code = FC_DATA_OVRRUN; 876 fsp->status_code = FC_DATA_OVRRUN;
880 FC_DBG("tgt %6x xfer len %zx greater than expected len %x. " 877 FC_FCP_DBG(fsp, "tgt %6x xfer len %zx greater than expected, "
881 "data len %x\n", 878 "len %x, data len %x\n",
882 fsp->rport->port_id, 879 fsp->rport->port_id,
883 fsp->xfer_len, expected_len, fsp->data_len); 880 fsp->xfer_len, expected_len, fsp->data_len);
884 } 881 }
885 fc_fcp_complete_locked(fsp); 882 fc_fcp_complete_locked(fsp);
886 return; 883 return;
887 884
888len_err: 885len_err:
889 FC_DBG("short FCP response. flags 0x%x len %u respl %u snsl %u\n", 886 FC_FCP_DBG(fsp, "short FCP response. flags 0x%x len %u respl %u "
890 flags, fr_len(fp), respl, snsl); 887 "snsl %u\n", flags, fr_len(fp), respl, snsl);
891err: 888err:
892 fsp->status_code = FC_ERROR; 889 fsp->status_code = FC_ERROR;
893 fc_fcp_complete_locked(fsp); 890 fc_fcp_complete_locked(fsp);
@@ -1107,13 +1104,11 @@ static void fc_fcp_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
1107 if (fc_fcp_lock_pkt(fsp)) 1104 if (fc_fcp_lock_pkt(fsp))
1108 return; 1105 return;
1109 1106
1110 switch (error) { 1107 if (error == -FC_EX_CLOSED) {
1111 case -FC_EX_CLOSED:
1112 fc_fcp_retry_cmd(fsp); 1108 fc_fcp_retry_cmd(fsp);
1113 goto unlock; 1109 goto unlock;
1114 default:
1115 FC_DBG("unknown error %ld\n", PTR_ERR(fp));
1116 } 1110 }
1111
1117 /* 1112 /*
1118 * clear abort pending, because the lower layer 1113 * clear abort pending, because the lower layer
1119 * decided to force completion. 1114 * decided to force completion.
@@ -1145,10 +1140,10 @@ static int fc_fcp_pkt_abort(struct fc_lport *lp, struct fc_fcp_pkt *fsp)
1145 fsp->wait_for_comp = 0; 1140 fsp->wait_for_comp = 0;
1146 1141
1147 if (!rc) { 1142 if (!rc) {
1148 FC_DBG("target abort cmd failed\n"); 1143 FC_FCP_DBG(fsp, "target abort cmd failed\n");
1149 rc = FAILED; 1144 rc = FAILED;
1150 } else if (fsp->state & FC_SRB_ABORTED) { 1145 } else if (fsp->state & FC_SRB_ABORTED) {
1151 FC_DBG("target abort cmd passed\n"); 1146 FC_FCP_DBG(fsp, "target abort cmd passed\n");
1152 rc = SUCCESS; 1147 rc = SUCCESS;
1153 fc_fcp_complete_locked(fsp); 1148 fc_fcp_complete_locked(fsp);
1154 } 1149 }
@@ -1213,7 +1208,7 @@ static int fc_lun_reset(struct fc_lport *lp, struct fc_fcp_pkt *fsp,
1213 spin_unlock_bh(&fsp->scsi_pkt_lock); 1208 spin_unlock_bh(&fsp->scsi_pkt_lock);
1214 1209
1215 if (!rc) { 1210 if (!rc) {
1216 FC_DBG("lun reset failed\n"); 1211 FC_SCSI_DBG(lp, "lun reset failed\n");
1217 return FAILED; 1212 return FAILED;
1218 } 1213 }
1219 1214
@@ -1221,7 +1216,7 @@ static int fc_lun_reset(struct fc_lport *lp, struct fc_fcp_pkt *fsp,
1221 if (fsp->cdb_status != FCP_TMF_CMPL) 1216 if (fsp->cdb_status != FCP_TMF_CMPL)
1222 return FAILED; 1217 return FAILED;
1223 1218
1224 FC_DBG("lun reset to lun %u completed\n", lun); 1219 FC_SCSI_DBG(lp, "lun reset to lun %u completed\n", lun);
1225 fc_fcp_cleanup_each_cmd(lp, id, lun, FC_CMD_ABORTED); 1220 fc_fcp_cleanup_each_cmd(lp, id, lun, FC_CMD_ABORTED);
1226 return SUCCESS; 1221 return SUCCESS;
1227} 1222}
@@ -1388,13 +1383,13 @@ static void fc_fcp_rec_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)
1388 rjt = fc_frame_payload_get(fp, sizeof(*rjt)); 1383 rjt = fc_frame_payload_get(fp, sizeof(*rjt));
1389 switch (rjt->er_reason) { 1384 switch (rjt->er_reason) {
1390 default: 1385 default:
1391 FC_DEBUG_FCP("device %x unexpected REC reject " 1386 FC_FCP_DBG(fsp, "device %x unexpected REC reject "
1392 "reason %d expl %d\n", 1387 "reason %d expl %d\n",
1393 fsp->rport->port_id, rjt->er_reason, 1388 fsp->rport->port_id, rjt->er_reason,
1394 rjt->er_explan); 1389 rjt->er_explan);
1395 /* fall through */ 1390 /* fall through */
1396 case ELS_RJT_UNSUP: 1391 case ELS_RJT_UNSUP:
1397 FC_DEBUG_FCP("device does not support REC\n"); 1392 FC_FCP_DBG(fsp, "device does not support REC\n");
1398 rp = fsp->rport->dd_data; 1393 rp = fsp->rport->dd_data;
1399 /* 1394 /*
1400 * if we do not spport RECs or got some bogus 1395 * if we do not spport RECs or got some bogus
@@ -1514,8 +1509,8 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
1514 break; 1509 break;
1515 1510
1516 default: 1511 default:
1517 FC_DBG("REC %p fid %x error unexpected error %d\n", 1512 FC_FCP_DBG(fsp, "REC %p fid %x error unexpected error %d\n",
1518 fsp, fsp->rport->port_id, error); 1513 fsp, fsp->rport->port_id, error);
1519 fsp->status_code = FC_CMD_PLOGO; 1514 fsp->status_code = FC_CMD_PLOGO;
1520 /* fall through */ 1515 /* fall through */
1521 1516
@@ -1524,9 +1519,9 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
1524 * Assume REC or LS_ACC was lost. 1519 * Assume REC or LS_ACC was lost.
1525 * The exchange manager will have aborted REC, so retry. 1520 * The exchange manager will have aborted REC, so retry.
1526 */ 1521 */
1527 FC_DBG("REC fid %x error error %d retry %d/%d\n", 1522 FC_FCP_DBG(fsp, "REC fid %x error error %d retry %d/%d\n",
1528 fsp->rport->port_id, error, fsp->recov_retry, 1523 fsp->rport->port_id, error, fsp->recov_retry,
1529 FC_MAX_RECOV_RETRY); 1524 FC_MAX_RECOV_RETRY);
1530 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) 1525 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
1531 fc_fcp_rec(fsp); 1526 fc_fcp_rec(fsp);
1532 else 1527 else
@@ -2011,9 +2006,11 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd)
2011 if (lp->state != LPORT_ST_READY) 2006 if (lp->state != LPORT_ST_READY)
2012 return rc; 2007 return rc;
2013 2008
2009 FC_SCSI_DBG(lp, "Resetting rport (%6x)\n", rport->port_id);
2010
2014 fsp = fc_fcp_pkt_alloc(lp, GFP_NOIO); 2011 fsp = fc_fcp_pkt_alloc(lp, GFP_NOIO);
2015 if (fsp == NULL) { 2012 if (fsp == NULL) {
2016 FC_DBG("could not allocate scsi_pkt\n"); 2013 printk(KERN_WARNING "libfc: could not allocate scsi_pkt\n");
2017 sc_cmd->result = DID_NO_CONNECT << 16; 2014 sc_cmd->result = DID_NO_CONNECT << 16;
2018 goto out; 2015 goto out;
2019 } 2016 }
@@ -2048,17 +2045,21 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
2048 struct fc_lport *lp = shost_priv(shost); 2045 struct fc_lport *lp = shost_priv(shost);
2049 unsigned long wait_tmo; 2046 unsigned long wait_tmo;
2050 2047
2048 FC_SCSI_DBG(lp, "Resetting host\n");
2049
2051 lp->tt.lport_reset(lp); 2050 lp->tt.lport_reset(lp);
2052 wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT; 2051 wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT;
2053 while (!fc_fcp_lport_queue_ready(lp) && time_before(jiffies, wait_tmo)) 2052 while (!fc_fcp_lport_queue_ready(lp) && time_before(jiffies, wait_tmo))
2054 msleep(1000); 2053 msleep(1000);
2055 2054
2056 if (fc_fcp_lport_queue_ready(lp)) { 2055 if (fc_fcp_lport_queue_ready(lp)) {
2057 shost_printk(KERN_INFO, shost, "Host reset succeeded.\n"); 2056 shost_printk(KERN_INFO, shost, "libfc: Host reset succeeded "
2057 "on port (%6x)\n", fc_host_port_id(lp->host));
2058 return SUCCESS; 2058 return SUCCESS;
2059 } else { 2059 } else {
2060 shost_printk(KERN_INFO, shost, "Host reset failed. " 2060 shost_printk(KERN_INFO, shost, "libfc: Host reset failed, "
2061 "lport not ready.\n"); 2061 "port (%6x) is not ready.\n",
2062 fc_host_port_id(lp->host));
2062 return FAILED; 2063 return FAILED;
2063 } 2064 }
2064} 2065}
@@ -2117,7 +2118,8 @@ void fc_fcp_destroy(struct fc_lport *lp)
2117 struct fc_fcp_internal *si = fc_get_scsi_internal(lp); 2118 struct fc_fcp_internal *si = fc_get_scsi_internal(lp);
2118 2119
2119 if (!list_empty(&si->scsi_pkt_queue)) 2120 if (!list_empty(&si->scsi_pkt_queue))
2120 printk(KERN_ERR "Leaked scsi packets.\n"); 2121 printk(KERN_ERR "libfc: Leaked SCSI packets when destroying "
2122 "port (%6x)\n", fc_host_port_id(lp->host));
2121 2123
2122 mempool_destroy(si->scsi_pkt_pool); 2124 mempool_destroy(si->scsi_pkt_pool);
2123 kfree(si); 2125 kfree(si);
@@ -2166,7 +2168,8 @@ static int __init libfc_init(void)
2166 sizeof(struct fc_fcp_pkt), 2168 sizeof(struct fc_fcp_pkt),
2167 0, SLAB_HWCACHE_ALIGN, NULL); 2169 0, SLAB_HWCACHE_ALIGN, NULL);
2168 if (scsi_pkt_cachep == NULL) { 2170 if (scsi_pkt_cachep == NULL) {
2169 FC_DBG("Unable to allocate SRB cache...module load failed!"); 2171 printk(KERN_ERR "libfc: Unable to allocate SRB cache, "
2172 "module load failed!");
2170 return -ENOMEM; 2173 return -ENOMEM;
2171 } 2174 }
2172 2175
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index e0c247724d2b..745fa5555d6a 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -101,14 +101,6 @@
101 101
102#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/ 102#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/
103 103
104static int fc_lport_debug;
105
106#define FC_DEBUG_LPORT(fmt...) \
107 do { \
108 if (fc_lport_debug) \
109 FC_DBG(fmt); \
110 } while (0)
111
112static void fc_lport_error(struct fc_lport *, struct fc_frame *); 104static void fc_lport_error(struct fc_lport *, struct fc_frame *);
113 105
114static void fc_lport_enter_reset(struct fc_lport *); 106static void fc_lport_enter_reset(struct fc_lport *);
@@ -151,8 +143,8 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
151 struct fc_rport *rport, 143 struct fc_rport *rport,
152 enum fc_rport_event event) 144 enum fc_rport_event event)
153{ 145{
154 FC_DEBUG_LPORT("Received a %d event for port (%6x)\n", event, 146 FC_LPORT_DBG(lport, "Received a %d event for port (%6x)\n", event,
155 rport->port_id); 147 rport->port_id);
156 148
157 switch (event) { 149 switch (event) {
158 case RPORT_EV_CREATED: 150 case RPORT_EV_CREATED:
@@ -162,19 +154,19 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
162 lport->dns_rp = rport; 154 lport->dns_rp = rport;
163 fc_lport_enter_rpn_id(lport); 155 fc_lport_enter_rpn_id(lport);
164 } else { 156 } else {
165 FC_DEBUG_LPORT("Received an CREATED event on " 157 FC_LPORT_DBG(lport, "Received an CREATED event "
166 "port (%6x) for the directory " 158 "on port (%6x) for the directory "
167 "server, but the lport is not " 159 "server, but the lport is not "
168 "in the DNS state, it's in the " 160 "in the DNS state, it's in the "
169 "%d state", rport->port_id, 161 "%d state", rport->port_id,
170 lport->state); 162 lport->state);
171 lport->tt.rport_logoff(rport); 163 lport->tt.rport_logoff(rport);
172 } 164 }
173 mutex_unlock(&lport->lp_mutex); 165 mutex_unlock(&lport->lp_mutex);
174 } else 166 } else
175 FC_DEBUG_LPORT("Received an event for port (%6x) " 167 FC_LPORT_DBG(lport, "Received an event for port (%6x) "
176 "which is not the directory server\n", 168 "which is not the directory server\n",
177 rport->port_id); 169 rport->port_id);
178 break; 170 break;
179 case RPORT_EV_LOGO: 171 case RPORT_EV_LOGO:
180 case RPORT_EV_FAILED: 172 case RPORT_EV_FAILED:
@@ -185,9 +177,9 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
185 mutex_unlock(&lport->lp_mutex); 177 mutex_unlock(&lport->lp_mutex);
186 178
187 } else 179 } else
188 FC_DEBUG_LPORT("Received an event for port (%6x) " 180 FC_LPORT_DBG(lport, "Received an event for port (%6x) "
189 "which is not the directory server\n", 181 "which is not the directory server\n",
190 rport->port_id); 182 rport->port_id);
191 break; 183 break;
192 case RPORT_EV_NONE: 184 case RPORT_EV_NONE:
193 break; 185 break;
@@ -363,8 +355,8 @@ static void fc_lport_add_fc4_type(struct fc_lport *lport, enum fc_fh_type type)
363static void fc_lport_recv_rlir_req(struct fc_seq *sp, struct fc_frame *fp, 355static void fc_lport_recv_rlir_req(struct fc_seq *sp, struct fc_frame *fp,
364 struct fc_lport *lport) 356 struct fc_lport *lport)
365{ 357{
366 FC_DEBUG_LPORT("Received RLIR request while in state %s\n", 358 FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n",
367 fc_lport_state(lport)); 359 fc_lport_state(lport));
368 360
369 lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); 361 lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL);
370 fc_frame_free(fp); 362 fc_frame_free(fp);
@@ -389,8 +381,8 @@ static void fc_lport_recv_echo_req(struct fc_seq *sp, struct fc_frame *in_fp,
389 void *dp; 381 void *dp;
390 u32 f_ctl; 382 u32 f_ctl;
391 383
392 FC_DEBUG_LPORT("Received RLIR request while in state %s\n", 384 FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n",
393 fc_lport_state(lport)); 385 fc_lport_state(lport));
394 386
395 len = fr_len(in_fp) - sizeof(struct fc_frame_header); 387 len = fr_len(in_fp) - sizeof(struct fc_frame_header);
396 pp = fc_frame_payload_get(in_fp, len); 388 pp = fc_frame_payload_get(in_fp, len);
@@ -437,8 +429,8 @@ static void fc_lport_recv_rnid_req(struct fc_seq *sp, struct fc_frame *in_fp,
437 size_t len; 429 size_t len;
438 u32 f_ctl; 430 u32 f_ctl;
439 431
440 FC_DEBUG_LPORT("Received RNID request while in state %s\n", 432 FC_LPORT_DBG(lport, "Received RNID request while in state %s\n",
441 fc_lport_state(lport)); 433 fc_lport_state(lport));
442 434
443 req = fc_frame_payload_get(in_fp, sizeof(*req)); 435 req = fc_frame_payload_get(in_fp, sizeof(*req));
444 if (!req) { 436 if (!req) {
@@ -498,8 +490,8 @@ static void fc_lport_recv_adisc_req(struct fc_seq *sp, struct fc_frame *in_fp,
498 size_t len; 490 size_t len;
499 u32 f_ctl; 491 u32 f_ctl;
500 492
501 FC_DEBUG_LPORT("Received ADISC request while in state %s\n", 493 FC_LPORT_DBG(lport, "Received ADISC request while in state %s\n",
502 fc_lport_state(lport)); 494 fc_lport_state(lport));
503 495
504 req = fc_frame_payload_get(in_fp, sizeof(*req)); 496 req = fc_frame_payload_get(in_fp, sizeof(*req));
505 if (!req) { 497 if (!req) {
@@ -574,8 +566,8 @@ EXPORT_SYMBOL(fc_fabric_login);
574 */ 566 */
575void fc_linkup(struct fc_lport *lport) 567void fc_linkup(struct fc_lport *lport)
576{ 568{
577 FC_DEBUG_LPORT("Link is up for port (%6x)\n", 569 printk(KERN_INFO "libfc: Link up on port (%6x)\n",
578 fc_host_port_id(lport->host)); 570 fc_host_port_id(lport->host));
579 571
580 mutex_lock(&lport->lp_mutex); 572 mutex_lock(&lport->lp_mutex);
581 if (!lport->link_up) { 573 if (!lport->link_up) {
@@ -595,8 +587,8 @@ EXPORT_SYMBOL(fc_linkup);
595void fc_linkdown(struct fc_lport *lport) 587void fc_linkdown(struct fc_lport *lport)
596{ 588{
597 mutex_lock(&lport->lp_mutex); 589 mutex_lock(&lport->lp_mutex);
598 FC_DEBUG_LPORT("Link is down for port (%6x)\n", 590 printk(KERN_INFO "libfc: Link down on port (%6x)\n",
599 fc_host_port_id(lport->host)); 591 fc_host_port_id(lport->host));
600 592
601 if (lport->link_up) { 593 if (lport->link_up) {
602 lport->link_up = 0; 594 lport->link_up = 0;
@@ -701,12 +693,11 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event)
701{ 693{
702 switch (event) { 694 switch (event) {
703 case DISC_EV_SUCCESS: 695 case DISC_EV_SUCCESS:
704 FC_DEBUG_LPORT("Got a SUCCESS event for port (%6x)\n", 696 FC_LPORT_DBG(lport, "Discovery succeeded\n");
705 fc_host_port_id(lport->host));
706 break; 697 break;
707 case DISC_EV_FAILED: 698 case DISC_EV_FAILED:
708 FC_DEBUG_LPORT("Got a FAILED event for port (%6x)\n", 699 printk(KERN_ERR "libfc: Discovery failed for port (%6x)\n",
709 fc_host_port_id(lport->host)); 700 fc_host_port_id(lport->host));
710 mutex_lock(&lport->lp_mutex); 701 mutex_lock(&lport->lp_mutex);
711 fc_lport_enter_reset(lport); 702 fc_lport_enter_reset(lport);
712 mutex_unlock(&lport->lp_mutex); 703 mutex_unlock(&lport->lp_mutex);
@@ -726,8 +717,8 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event)
726 */ 717 */
727static void fc_lport_enter_ready(struct fc_lport *lport) 718static void fc_lport_enter_ready(struct fc_lport *lport)
728{ 719{
729 FC_DEBUG_LPORT("Port (%6x) entered Ready from state %s\n", 720 FC_LPORT_DBG(lport, "Entered READY from state %s\n",
730 fc_host_port_id(lport->host), fc_lport_state(lport)); 721 fc_lport_state(lport));
731 722
732 fc_lport_state_enter(lport, LPORT_ST_READY); 723 fc_lport_state_enter(lport, LPORT_ST_READY);
733 724
@@ -762,8 +753,8 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in,
762 u32 local_fid; 753 u32 local_fid;
763 u32 f_ctl; 754 u32 f_ctl;
764 755
765 FC_DEBUG_LPORT("Received FLOGI request while in state %s\n", 756 FC_LPORT_DBG(lport, "Received FLOGI request while in state %s\n",
766 fc_lport_state(lport)); 757 fc_lport_state(lport));
767 758
768 fh = fc_frame_header_get(rx_fp); 759 fh = fc_frame_header_get(rx_fp);
769 remote_fid = ntoh24(fh->fh_s_id); 760 remote_fid = ntoh24(fh->fh_s_id);
@@ -772,12 +763,11 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in,
772 goto out; 763 goto out;
773 remote_wwpn = get_unaligned_be64(&flp->fl_wwpn); 764 remote_wwpn = get_unaligned_be64(&flp->fl_wwpn);
774 if (remote_wwpn == lport->wwpn) { 765 if (remote_wwpn == lport->wwpn) {
775 FC_DBG("FLOGI from port with same WWPN %llx " 766 printk(KERN_WARNING "libfc: Received FLOGI from port "
776 "possible configuration error\n", 767 "with same WWPN %llx\n", remote_wwpn);
777 (unsigned long long)remote_wwpn);
778 goto out; 768 goto out;
779 } 769 }
780 FC_DBG("FLOGI from port WWPN %llx\n", (unsigned long long)remote_wwpn); 770 FC_LPORT_DBG(lport, "FLOGI from port WWPN %llx\n", remote_wwpn);
781 771
782 /* 772 /*
783 * XXX what is the right thing to do for FIDs? 773 * XXX what is the right thing to do for FIDs?
@@ -909,7 +899,8 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp,
909 } 899 }
910 } 900 }
911 } else { 901 } else {
912 FC_DBG("dropping invalid frame (eof %x)\n", fr_eof(fp)); 902 FC_LPORT_DBG(lport, "dropping invalid frame (eof %x)\n",
903 fr_eof(fp));
913 fc_frame_free(fp); 904 fc_frame_free(fp);
914 } 905 }
915 mutex_unlock(&lport->lp_mutex); 906 mutex_unlock(&lport->lp_mutex);
@@ -947,8 +938,8 @@ EXPORT_SYMBOL(fc_lport_reset);
947 */ 938 */
948static void fc_lport_enter_reset(struct fc_lport *lport) 939static void fc_lport_enter_reset(struct fc_lport *lport)
949{ 940{
950 FC_DEBUG_LPORT("Port (%6x) entered RESET state from %s state\n", 941 FC_LPORT_DBG(lport, "Entered RESET state from %s state\n",
951 fc_host_port_id(lport->host), fc_lport_state(lport)); 942 fc_lport_state(lport));
952 943
953 fc_lport_state_enter(lport, LPORT_ST_RESET); 944 fc_lport_state_enter(lport, LPORT_ST_RESET);
954 945
@@ -982,9 +973,9 @@ static void fc_lport_enter_reset(struct fc_lport *lport)
982static void fc_lport_error(struct fc_lport *lport, struct fc_frame *fp) 973static void fc_lport_error(struct fc_lport *lport, struct fc_frame *fp)
983{ 974{
984 unsigned long delay = 0; 975 unsigned long delay = 0;
985 FC_DEBUG_LPORT("Error %ld in state %s, retries %d\n", 976 FC_LPORT_DBG(lport, "Error %ld in state %s, retries %d\n",
986 PTR_ERR(fp), fc_lport_state(lport), 977 PTR_ERR(fp), fc_lport_state(lport),
987 lport->retry_count); 978 lport->retry_count);
988 979
989 if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) { 980 if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) {
990 /* 981 /*
@@ -1040,11 +1031,11 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp,
1040 1031
1041 mutex_lock(&lport->lp_mutex); 1032 mutex_lock(&lport->lp_mutex);
1042 1033
1043 FC_DEBUG_LPORT("Received a RFT_ID response\n"); 1034 FC_LPORT_DBG(lport, "Received a RFT_ID response\n");
1044 1035
1045 if (lport->state != LPORT_ST_RFT_ID) { 1036 if (lport->state != LPORT_ST_RFT_ID) {
1046 FC_DBG("Received a RFT_ID response, but in state %s\n", 1037 FC_LPORT_DBG(lport, "Received a RFT_ID response, but in state "
1047 fc_lport_state(lport)); 1038 "%s\n", fc_lport_state(lport));
1048 if (IS_ERR(fp)) 1039 if (IS_ERR(fp))
1049 goto err; 1040 goto err;
1050 goto out; 1041 goto out;
@@ -1094,11 +1085,11 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
1094 1085
1095 mutex_lock(&lport->lp_mutex); 1086 mutex_lock(&lport->lp_mutex);
1096 1087
1097 FC_DEBUG_LPORT("Received a RPN_ID response\n"); 1088 FC_LPORT_DBG(lport, "Received a RPN_ID response\n");
1098 1089
1099 if (lport->state != LPORT_ST_RPN_ID) { 1090 if (lport->state != LPORT_ST_RPN_ID) {
1100 FC_DBG("Received a RPN_ID response, but in state %s\n", 1091 FC_LPORT_DBG(lport, "Received a RPN_ID response, but in state "
1101 fc_lport_state(lport)); 1092 "%s\n", fc_lport_state(lport));
1102 if (IS_ERR(fp)) 1093 if (IS_ERR(fp))
1103 goto err; 1094 goto err;
1104 goto out; 1095 goto out;
@@ -1146,11 +1137,11 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp,
1146 1137
1147 mutex_lock(&lport->lp_mutex); 1138 mutex_lock(&lport->lp_mutex);
1148 1139
1149 FC_DEBUG_LPORT("Received a SCR response\n"); 1140 FC_LPORT_DBG(lport, "Received a SCR response\n");
1150 1141
1151 if (lport->state != LPORT_ST_SCR) { 1142 if (lport->state != LPORT_ST_SCR) {
1152 FC_DBG("Received a SCR response, but in state %s\n", 1143 FC_LPORT_DBG(lport, "Received a SCR response, but in state "
1153 fc_lport_state(lport)); 1144 "%s\n", fc_lport_state(lport));
1154 if (IS_ERR(fp)) 1145 if (IS_ERR(fp))
1155 goto err; 1146 goto err;
1156 goto out; 1147 goto out;
@@ -1184,8 +1175,8 @@ static void fc_lport_enter_scr(struct fc_lport *lport)
1184{ 1175{
1185 struct fc_frame *fp; 1176 struct fc_frame *fp;
1186 1177
1187 FC_DEBUG_LPORT("Port (%6x) entered SCR state from %s state\n", 1178 FC_LPORT_DBG(lport, "Entered SCR state from %s state\n",
1188 fc_host_port_id(lport->host), fc_lport_state(lport)); 1179 fc_lport_state(lport));
1189 1180
1190 fc_lport_state_enter(lport, LPORT_ST_SCR); 1181 fc_lport_state_enter(lport, LPORT_ST_SCR);
1191 1182
@@ -1213,8 +1204,8 @@ static void fc_lport_enter_rft_id(struct fc_lport *lport)
1213 struct fc_ns_fts *lps; 1204 struct fc_ns_fts *lps;
1214 int i; 1205 int i;
1215 1206
1216 FC_DEBUG_LPORT("Port (%6x) entered RFT_ID state from %s state\n", 1207 FC_LPORT_DBG(lport, "Entered RFT_ID state from %s state\n",
1217 fc_host_port_id(lport->host), fc_lport_state(lport)); 1208 fc_lport_state(lport));
1218 1209
1219 fc_lport_state_enter(lport, LPORT_ST_RFT_ID); 1210 fc_lport_state_enter(lport, LPORT_ST_RFT_ID);
1220 1211
@@ -1253,8 +1244,8 @@ static void fc_lport_enter_rpn_id(struct fc_lport *lport)
1253{ 1244{
1254 struct fc_frame *fp; 1245 struct fc_frame *fp;
1255 1246
1256 FC_DEBUG_LPORT("Port (%6x) entered RPN_ID state from %s state\n", 1247 FC_LPORT_DBG(lport, "Entered RPN_ID state from %s state\n",
1257 fc_host_port_id(lport->host), fc_lport_state(lport)); 1248 fc_lport_state(lport));
1258 1249
1259 fc_lport_state_enter(lport, LPORT_ST_RPN_ID); 1250 fc_lport_state_enter(lport, LPORT_ST_RPN_ID);
1260 1251
@@ -1294,8 +1285,8 @@ static void fc_lport_enter_dns(struct fc_lport *lport)
1294 dp.ids.roles = FC_RPORT_ROLE_UNKNOWN; 1285 dp.ids.roles = FC_RPORT_ROLE_UNKNOWN;
1295 dp.lp = lport; 1286 dp.lp = lport;
1296 1287
1297 FC_DEBUG_LPORT("Port (%6x) entered DNS state from %s state\n", 1288 FC_LPORT_DBG(lport, "Entered DNS state from %s state\n",
1298 fc_host_port_id(lport->host), fc_lport_state(lport)); 1289 fc_lport_state(lport));
1299 1290
1300 fc_lport_state_enter(lport, LPORT_ST_DNS); 1291 fc_lport_state_enter(lport, LPORT_ST_DNS);
1301 1292
@@ -1374,11 +1365,11 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
1374 1365
1375 mutex_lock(&lport->lp_mutex); 1366 mutex_lock(&lport->lp_mutex);
1376 1367
1377 FC_DEBUG_LPORT("Received a LOGO response\n"); 1368 FC_LPORT_DBG(lport, "Received a LOGO response\n");
1378 1369
1379 if (lport->state != LPORT_ST_LOGO) { 1370 if (lport->state != LPORT_ST_LOGO) {
1380 FC_DBG("Received a LOGO response, but in state %s\n", 1371 FC_LPORT_DBG(lport, "Received a LOGO response, but in state "
1381 fc_lport_state(lport)); 1372 "%s\n", fc_lport_state(lport));
1382 if (IS_ERR(fp)) 1373 if (IS_ERR(fp))
1383 goto err; 1374 goto err;
1384 goto out; 1375 goto out;
@@ -1413,8 +1404,8 @@ static void fc_lport_enter_logo(struct fc_lport *lport)
1413 struct fc_frame *fp; 1404 struct fc_frame *fp;
1414 struct fc_els_logo *logo; 1405 struct fc_els_logo *logo;
1415 1406
1416 FC_DEBUG_LPORT("Port (%6x) entered LOGO state from %s state\n", 1407 FC_LPORT_DBG(lport, "Entered LOGO state from %s state\n",
1417 fc_host_port_id(lport->host), fc_lport_state(lport)); 1408 fc_lport_state(lport));
1418 1409
1419 fc_lport_state_enter(lport, LPORT_ST_LOGO); 1410 fc_lport_state_enter(lport, LPORT_ST_LOGO);
1420 1411
@@ -1456,11 +1447,11 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
1456 1447
1457 mutex_lock(&lport->lp_mutex); 1448 mutex_lock(&lport->lp_mutex);
1458 1449
1459 FC_DEBUG_LPORT("Received a FLOGI response\n"); 1450 FC_LPORT_DBG(lport, "Received a FLOGI response\n");
1460 1451
1461 if (lport->state != LPORT_ST_FLOGI) { 1452 if (lport->state != LPORT_ST_FLOGI) {
1462 FC_DBG("Received a FLOGI response, but in state %s\n", 1453 FC_LPORT_DBG(lport, "Received a FLOGI response, but in state "
1463 fc_lport_state(lport)); 1454 "%s\n", fc_lport_state(lport));
1464 if (IS_ERR(fp)) 1455 if (IS_ERR(fp))
1465 goto err; 1456 goto err;
1466 goto out; 1457 goto out;
@@ -1475,7 +1466,8 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
1475 did = ntoh24(fh->fh_d_id); 1466 did = ntoh24(fh->fh_d_id);
1476 if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) { 1467 if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) {
1477 1468
1478 FC_DEBUG_LPORT("Assigned fid %x\n", did); 1469 printk(KERN_INFO "libfc: Assigned FID (%6x) in FLOGI response\n",
1470 did);
1479 fc_host_port_id(lport->host) = did; 1471 fc_host_port_id(lport->host) = did;
1480 1472
1481 flp = fc_frame_payload_get(fp, sizeof(*flp)); 1473 flp = fc_frame_payload_get(fp, sizeof(*flp));
@@ -1494,7 +1486,8 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
1494 if (e_d_tov > lport->e_d_tov) 1486 if (e_d_tov > lport->e_d_tov)
1495 lport->e_d_tov = e_d_tov; 1487 lport->e_d_tov = e_d_tov;
1496 lport->r_a_tov = 2 * e_d_tov; 1488 lport->r_a_tov = 2 * e_d_tov;
1497 FC_DBG("Point-to-Point mode\n"); 1489 printk(KERN_INFO "libfc: Port (%6x) entered "
1490 "point to point mode\n", did);
1498 fc_lport_ptp_setup(lport, ntoh24(fh->fh_s_id), 1491 fc_lport_ptp_setup(lport, ntoh24(fh->fh_s_id),
1499 get_unaligned_be64( 1492 get_unaligned_be64(
1500 &flp->fl_wwpn), 1493 &flp->fl_wwpn),
@@ -1517,7 +1510,7 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
1517 } 1510 }
1518 } 1511 }
1519 } else { 1512 } else {
1520 FC_DBG("bad FLOGI response\n"); 1513 FC_LPORT_DBG(lport, "Bad FLOGI response\n");
1521 } 1514 }
1522 1515
1523out: 1516out:
@@ -1537,7 +1530,8 @@ void fc_lport_enter_flogi(struct fc_lport *lport)
1537{ 1530{
1538 struct fc_frame *fp; 1531 struct fc_frame *fp;
1539 1532
1540 FC_DEBUG_LPORT("Processing FLOGI state\n"); 1533 FC_LPORT_DBG(lport, "Entered FLOGI state from %s state\n",
1534 fc_lport_state(lport));
1541 1535
1542 fc_lport_state_enter(lport, LPORT_ST_FLOGI); 1536 fc_lport_state_enter(lport, LPORT_ST_FLOGI);
1543 1537
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 7bfbff7e0efb..7162385f52eb 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -55,14 +55,6 @@
55#include <scsi/libfc.h> 55#include <scsi/libfc.h>
56#include <scsi/fc_encode.h> 56#include <scsi/fc_encode.h>
57 57
58static int fc_rport_debug;
59
60#define FC_DEBUG_RPORT(fmt...) \
61 do { \
62 if (fc_rport_debug) \
63 FC_DBG(fmt); \
64 } while (0)
65
66struct workqueue_struct *rport_event_queue; 58struct workqueue_struct *rport_event_queue;
67 59
68static void fc_rport_enter_plogi(struct fc_rport *); 60static void fc_rport_enter_plogi(struct fc_rport *);
@@ -97,7 +89,7 @@ static const char *fc_rport_state_names[] = {
97static void fc_rport_rogue_destroy(struct device *dev) 89static void fc_rport_rogue_destroy(struct device *dev)
98{ 90{
99 struct fc_rport *rport = dev_to_rport(dev); 91 struct fc_rport *rport = dev_to_rport(dev);
100 FC_DEBUG_RPORT("Destroying rogue rport (%6x)\n", rport->port_id); 92 FC_RPORT_DBG(rport, "Destroying rogue rport\n");
101 kfree(rport); 93 kfree(rport);
102} 94}
103 95
@@ -263,8 +255,8 @@ static void fc_rport_work(struct work_struct *work)
263 255
264 fc_rport_state_enter(new_rport, RPORT_ST_READY); 256 fc_rport_state_enter(new_rport, RPORT_ST_READY);
265 } else { 257 } else {
266 FC_DBG("Failed to create the rport for port " 258 printk(KERN_WARNING "libfc: Failed to allocate "
267 "(%6x).\n", ids.port_id); 259 " memory for rport (%6x)\n", ids.port_id);
268 event = RPORT_EV_FAILED; 260 event = RPORT_EV_FAILED;
269 } 261 }
270 if (rport->port_id != FC_FID_DIR_SERV) 262 if (rport->port_id != FC_FID_DIR_SERV)
@@ -309,7 +301,7 @@ int fc_rport_login(struct fc_rport *rport)
309 301
310 mutex_lock(&rdata->rp_mutex); 302 mutex_lock(&rdata->rp_mutex);
311 303
312 FC_DEBUG_RPORT("Login to port (%6x)\n", rport->port_id); 304 FC_RPORT_DBG(rport, "Login to port\n");
313 305
314 fc_rport_enter_plogi(rport); 306 fc_rport_enter_plogi(rport);
315 307
@@ -329,16 +321,13 @@ int fc_rport_login(struct fc_rport *rport)
329int fc_rport_logoff(struct fc_rport *rport) 321int fc_rport_logoff(struct fc_rport *rport)
330{ 322{
331 struct fc_rport_libfc_priv *rdata = rport->dd_data; 323 struct fc_rport_libfc_priv *rdata = rport->dd_data;
332 struct fc_lport *lport = rdata->local_port;
333 324
334 mutex_lock(&rdata->rp_mutex); 325 mutex_lock(&rdata->rp_mutex);
335 326
336 FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id); 327 FC_RPORT_DBG(rport, "Remove port\n");
337 328
338 if (rdata->rp_state == RPORT_ST_NONE) { 329 if (rdata->rp_state == RPORT_ST_NONE) {
339 FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state," 330 FC_RPORT_DBG(rport, "Port in NONE state, not removing\n");
340 " not removing", fc_host_port_id(lport->host),
341 rport->port_id);
342 mutex_unlock(&rdata->rp_mutex); 331 mutex_unlock(&rdata->rp_mutex);
343 goto out; 332 goto out;
344 } 333 }
@@ -379,7 +368,7 @@ static void fc_rport_enter_ready(struct fc_rport *rport)
379 368
380 fc_rport_state_enter(rport, RPORT_ST_READY); 369 fc_rport_state_enter(rport, RPORT_ST_READY);
381 370
382 FC_DEBUG_RPORT("Port (%6x) is Ready\n", rport->port_id); 371 FC_RPORT_DBG(rport, "Port is Ready\n");
383 372
384 rdata->event = RPORT_EV_CREATED; 373 rdata->event = RPORT_EV_CREATED;
385 queue_work(rport_event_queue, &rdata->event_work); 374 queue_work(rport_event_queue, &rdata->event_work);
@@ -436,8 +425,8 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp)
436{ 425{
437 struct fc_rport_libfc_priv *rdata = rport->dd_data; 426 struct fc_rport_libfc_priv *rdata = rport->dd_data;
438 427
439 FC_DEBUG_RPORT("Error %ld in state %s, retries %d\n", 428 FC_RPORT_DBG(rport, "Error %ld in state %s, retries %d\n",
440 PTR_ERR(fp), fc_rport_state(rport), rdata->retries); 429 PTR_ERR(fp), fc_rport_state(rport), rdata->retries);
441 430
442 switch (rdata->rp_state) { 431 switch (rdata->rp_state) {
443 case RPORT_ST_PLOGI: 432 case RPORT_ST_PLOGI:
@@ -479,8 +468,8 @@ static void fc_rport_error_retry(struct fc_rport *rport, struct fc_frame *fp)
479 return fc_rport_error(rport, fp); 468 return fc_rport_error(rport, fp);
480 469
481 if (rdata->retries < rdata->local_port->max_rport_retry_count) { 470 if (rdata->retries < rdata->local_port->max_rport_retry_count) {
482 FC_DEBUG_RPORT("Error %ld in state %s, retrying\n", 471 FC_RPORT_DBG(rport, "Error %ld in state %s, retrying\n",
483 PTR_ERR(fp), fc_rport_state(rport)); 472 PTR_ERR(fp), fc_rport_state(rport));
484 rdata->retries++; 473 rdata->retries++;
485 /* no additional delay on exchange timeouts */ 474 /* no additional delay on exchange timeouts */
486 if (PTR_ERR(fp) == -FC_EX_TIMEOUT) 475 if (PTR_ERR(fp) == -FC_EX_TIMEOUT)
@@ -517,12 +506,11 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp,
517 506
518 mutex_lock(&rdata->rp_mutex); 507 mutex_lock(&rdata->rp_mutex);
519 508
520 FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n", 509 FC_RPORT_DBG(rport, "Received a PLOGI response\n");
521 rport->port_id);
522 510
523 if (rdata->rp_state != RPORT_ST_PLOGI) { 511 if (rdata->rp_state != RPORT_ST_PLOGI) {
524 FC_DBG("Received a PLOGI response, but in state %s\n", 512 FC_RPORT_DBG(rport, "Received a PLOGI response, but in state "
525 fc_rport_state(rport)); 513 "%s\n", fc_rport_state(rport));
526 if (IS_ERR(fp)) 514 if (IS_ERR(fp))
527 goto err; 515 goto err;
528 goto out; 516 goto out;
@@ -583,8 +571,8 @@ static void fc_rport_enter_plogi(struct fc_rport *rport)
583 struct fc_lport *lport = rdata->local_port; 571 struct fc_lport *lport = rdata->local_port;
584 struct fc_frame *fp; 572 struct fc_frame *fp;
585 573
586 FC_DEBUG_RPORT("Port (%6x) entered PLOGI state from %s state\n", 574 FC_RPORT_DBG(rport, "Port entered PLOGI state from %s state\n",
587 rport->port_id, fc_rport_state(rport)); 575 fc_rport_state(rport));
588 576
589 fc_rport_state_enter(rport, RPORT_ST_PLOGI); 577 fc_rport_state_enter(rport, RPORT_ST_PLOGI);
590 578
@@ -628,12 +616,11 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
628 616
629 mutex_lock(&rdata->rp_mutex); 617 mutex_lock(&rdata->rp_mutex);
630 618
631 FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n", 619 FC_RPORT_DBG(rport, "Received a PRLI response\n");
632 rport->port_id);
633 620
634 if (rdata->rp_state != RPORT_ST_PRLI) { 621 if (rdata->rp_state != RPORT_ST_PRLI) {
635 FC_DBG("Received a PRLI response, but in state %s\n", 622 FC_RPORT_DBG(rport, "Received a PRLI response, but in state "
636 fc_rport_state(rport)); 623 "%s\n", fc_rport_state(rport));
637 if (IS_ERR(fp)) 624 if (IS_ERR(fp))
638 goto err; 625 goto err;
639 goto out; 626 goto out;
@@ -663,7 +650,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
663 fc_rport_enter_rtv(rport); 650 fc_rport_enter_rtv(rport);
664 651
665 } else { 652 } else {
666 FC_DBG("Bad ELS response\n"); 653 FC_RPORT_DBG(rport, "Bad ELS response for PRLI command\n");
667 rdata->event = RPORT_EV_FAILED; 654 rdata->event = RPORT_EV_FAILED;
668 fc_rport_state_enter(rport, RPORT_ST_NONE); 655 fc_rport_state_enter(rport, RPORT_ST_NONE);
669 queue_work(rport_event_queue, &rdata->event_work); 656 queue_work(rport_event_queue, &rdata->event_work);
@@ -695,12 +682,11 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
695 682
696 mutex_lock(&rdata->rp_mutex); 683 mutex_lock(&rdata->rp_mutex);
697 684
698 FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n", 685 FC_RPORT_DBG(rport, "Received a LOGO response\n");
699 rport->port_id);
700 686
701 if (rdata->rp_state != RPORT_ST_LOGO) { 687 if (rdata->rp_state != RPORT_ST_LOGO) {
702 FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n", 688 FC_RPORT_DBG(rport, "Received a LOGO response, but in state "
703 fc_rport_state(rport)); 689 "%s\n", fc_rport_state(rport));
704 if (IS_ERR(fp)) 690 if (IS_ERR(fp))
705 goto err; 691 goto err;
706 goto out; 692 goto out;
@@ -715,7 +701,7 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
715 if (op == ELS_LS_ACC) { 701 if (op == ELS_LS_ACC) {
716 fc_rport_enter_rtv(rport); 702 fc_rport_enter_rtv(rport);
717 } else { 703 } else {
718 FC_DBG("Bad ELS response\n"); 704 FC_RPORT_DBG(rport, "Bad ELS response for LOGO command\n");
719 rdata->event = RPORT_EV_LOGO; 705 rdata->event = RPORT_EV_LOGO;
720 fc_rport_state_enter(rport, RPORT_ST_NONE); 706 fc_rport_state_enter(rport, RPORT_ST_NONE);
721 queue_work(rport_event_queue, &rdata->event_work); 707 queue_work(rport_event_queue, &rdata->event_work);
@@ -745,8 +731,8 @@ static void fc_rport_enter_prli(struct fc_rport *rport)
745 } *pp; 731 } *pp;
746 struct fc_frame *fp; 732 struct fc_frame *fp;
747 733
748 FC_DEBUG_RPORT("Port (%6x) entered PRLI state from %s state\n", 734 FC_RPORT_DBG(rport, "Port entered PRLI state from %s state\n",
749 rport->port_id, fc_rport_state(rport)); 735 fc_rport_state(rport));
750 736
751 fc_rport_state_enter(rport, RPORT_ST_PRLI); 737 fc_rport_state_enter(rport, RPORT_ST_PRLI);
752 738
@@ -784,12 +770,11 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp,
784 770
785 mutex_lock(&rdata->rp_mutex); 771 mutex_lock(&rdata->rp_mutex);
786 772
787 FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n", 773 FC_RPORT_DBG(rport, "Received a RTV response\n");
788 rport->port_id);
789 774
790 if (rdata->rp_state != RPORT_ST_RTV) { 775 if (rdata->rp_state != RPORT_ST_RTV) {
791 FC_DBG("Received a RTV response, but in state %s\n", 776 FC_RPORT_DBG(rport, "Received a RTV response, but in state "
792 fc_rport_state(rport)); 777 "%s\n", fc_rport_state(rport));
793 if (IS_ERR(fp)) 778 if (IS_ERR(fp))
794 goto err; 779 goto err;
795 goto out; 780 goto out;
@@ -844,8 +829,8 @@ static void fc_rport_enter_rtv(struct fc_rport *rport)
844 struct fc_rport_libfc_priv *rdata = rport->dd_data; 829 struct fc_rport_libfc_priv *rdata = rport->dd_data;
845 struct fc_lport *lport = rdata->local_port; 830 struct fc_lport *lport = rdata->local_port;
846 831
847 FC_DEBUG_RPORT("Port (%6x) entered RTV state from %s state\n", 832 FC_RPORT_DBG(rport, "Port entered RTV state from %s state\n",
848 rport->port_id, fc_rport_state(rport)); 833 fc_rport_state(rport));
849 834
850 fc_rport_state_enter(rport, RPORT_ST_RTV); 835 fc_rport_state_enter(rport, RPORT_ST_RTV);
851 836
@@ -875,8 +860,8 @@ static void fc_rport_enter_logo(struct fc_rport *rport)
875 struct fc_lport *lport = rdata->local_port; 860 struct fc_lport *lport = rdata->local_port;
876 struct fc_frame *fp; 861 struct fc_frame *fp;
877 862
878 FC_DEBUG_RPORT("Port (%6x) entered LOGO state from %s state\n", 863 FC_RPORT_DBG(rport, "Port entered LOGO state from %s state\n",
879 rport->port_id, fc_rport_state(rport)); 864 fc_rport_state(rport));
880 865
881 fc_rport_state_enter(rport, RPORT_ST_LOGO); 866 fc_rport_state_enter(rport, RPORT_ST_LOGO);
882 867
@@ -983,14 +968,13 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport,
983 968
984 fh = fc_frame_header_get(fp); 969 fh = fc_frame_header_get(fp);
985 970
986 FC_DEBUG_RPORT("Received PLOGI request from port (%6x) " 971 FC_RPORT_DBG(rport, "Received PLOGI request while in state %s\n",
987 "while in state %s\n", ntoh24(fh->fh_s_id), 972 fc_rport_state(rport));
988 fc_rport_state(rport));
989 973
990 sid = ntoh24(fh->fh_s_id); 974 sid = ntoh24(fh->fh_s_id);
991 pl = fc_frame_payload_get(fp, sizeof(*pl)); 975 pl = fc_frame_payload_get(fp, sizeof(*pl));
992 if (!pl) { 976 if (!pl) {
993 FC_DBG("incoming PLOGI from %x too short\n", sid); 977 FC_RPORT_DBG(rport, "Received PLOGI too short\n");
994 WARN_ON(1); 978 WARN_ON(1);
995 /* XXX TBD: send reject? */ 979 /* XXX TBD: send reject? */
996 fc_frame_free(fp); 980 fc_frame_free(fp);
@@ -1012,26 +996,26 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport,
1012 */ 996 */
1013 switch (rdata->rp_state) { 997 switch (rdata->rp_state) {
1014 case RPORT_ST_INIT: 998 case RPORT_ST_INIT:
1015 FC_DEBUG_RPORT("incoming PLOGI from %6x wwpn %llx state INIT " 999 FC_RPORT_DBG(rport, "Received PLOGI, wwpn %llx state INIT "
1016 "- reject\n", sid, (unsigned long long)wwpn); 1000 "- reject\n", (unsigned long long)wwpn);
1017 reject = ELS_RJT_UNSUP; 1001 reject = ELS_RJT_UNSUP;
1018 break; 1002 break;
1019 case RPORT_ST_PLOGI: 1003 case RPORT_ST_PLOGI:
1020 FC_DEBUG_RPORT("incoming PLOGI from %x in PLOGI state %d\n", 1004 FC_RPORT_DBG(rport, "Received PLOGI in PLOGI state %d\n",
1021 sid, rdata->rp_state); 1005 rdata->rp_state);
1022 if (wwpn < lport->wwpn) 1006 if (wwpn < lport->wwpn)
1023 reject = ELS_RJT_INPROG; 1007 reject = ELS_RJT_INPROG;
1024 break; 1008 break;
1025 case RPORT_ST_PRLI: 1009 case RPORT_ST_PRLI:
1026 case RPORT_ST_READY: 1010 case RPORT_ST_READY:
1027 FC_DEBUG_RPORT("incoming PLOGI from %x in logged-in state %d " 1011 FC_RPORT_DBG(rport, "Received PLOGI in logged-in state %d "
1028 "- ignored for now\n", sid, rdata->rp_state); 1012 "- ignored for now\n", rdata->rp_state);
1029 /* XXX TBD - should reset */ 1013 /* XXX TBD - should reset */
1030 break; 1014 break;
1031 case RPORT_ST_NONE: 1015 case RPORT_ST_NONE:
1032 default: 1016 default:
1033 FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected " 1017 FC_RPORT_DBG(rport, "Received PLOGI in unexpected "
1034 "state %d\n", sid, rdata->rp_state); 1018 "state %d\n", rdata->rp_state);
1035 fc_frame_free(fp); 1019 fc_frame_free(fp);
1036 return; 1020 return;
1037 break; 1021 break;
@@ -1115,9 +1099,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport,
1115 1099
1116 fh = fc_frame_header_get(rx_fp); 1100 fh = fc_frame_header_get(rx_fp);
1117 1101
1118 FC_DEBUG_RPORT("Received PRLI request from port (%6x) " 1102 FC_RPORT_DBG(rport, "Received PRLI request while in state %s\n",
1119 "while in state %s\n", ntoh24(fh->fh_s_id), 1103 fc_rport_state(rport));
1120 fc_rport_state(rport));
1121 1104
1122 switch (rdata->rp_state) { 1105 switch (rdata->rp_state) {
1123 case RPORT_ST_PRLI: 1106 case RPORT_ST_PRLI:
@@ -1252,9 +1235,8 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp,
1252 1235
1253 fh = fc_frame_header_get(fp); 1236 fh = fc_frame_header_get(fp);
1254 1237
1255 FC_DEBUG_RPORT("Received PRLO request from port (%6x) " 1238 FC_RPORT_DBG(rport, "Received PRLO request while in state %s\n",
1256 "while in state %s\n", ntoh24(fh->fh_s_id), 1239 fc_rport_state(rport));
1257 fc_rport_state(rport));
1258 1240
1259 if (rdata->rp_state == RPORT_ST_NONE) { 1241 if (rdata->rp_state == RPORT_ST_NONE) {
1260 fc_frame_free(fp); 1242 fc_frame_free(fp);
@@ -1286,9 +1268,8 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp,
1286 1268
1287 fh = fc_frame_header_get(fp); 1269 fh = fc_frame_header_get(fp);
1288 1270
1289 FC_DEBUG_RPORT("Received LOGO request from port (%6x) " 1271 FC_RPORT_DBG(rport, "Received LOGO request while in state %s\n",
1290 "while in state %s\n", ntoh24(fh->fh_s_id), 1272 fc_rport_state(rport));
1291 fc_rport_state(rport));
1292 1273
1293 if (rdata->rp_state == RPORT_ST_NONE) { 1274 if (rdata->rp_state == RPORT_ST_NONE) {
1294 fc_frame_free(fp); 1275 fc_frame_free(fp);
@@ -1308,7 +1289,6 @@ static void fc_rport_flush_queue(void)
1308 flush_workqueue(rport_event_queue); 1289 flush_workqueue(rport_event_queue);
1309} 1290}
1310 1291
1311
1312int fc_rport_init(struct fc_lport *lport) 1292int fc_rport_init(struct fc_lport *lport)
1313{ 1293{
1314 if (!lport->tt.rport_create) 1294 if (!lport->tt.rport_create)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 59908aead531..716cc344c5df 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -38,15 +38,30 @@
38#include <scsi/scsi_transport_iscsi.h> 38#include <scsi/scsi_transport_iscsi.h>
39#include <scsi/libiscsi.h> 39#include <scsi/libiscsi.h>
40 40
41static int iscsi_dbg_lib; 41static int iscsi_dbg_lib_conn;
42module_param_named(debug_libiscsi, iscsi_dbg_lib, int, S_IRUGO | S_IWUSR); 42module_param_named(debug_libiscsi_conn, iscsi_dbg_lib_conn, int,
43MODULE_PARM_DESC(debug_libiscsi, "Turn on debugging for libiscsi module. " 43 S_IRUGO | S_IWUSR);
44 "Set to 1 to turn on, and zero to turn off. Default " 44MODULE_PARM_DESC(debug_libiscsi_conn,
45 "is off."); 45 "Turn on debugging for connections in libiscsi module. "
46 "Set to 1 to turn on, and zero to turn off. Default is off.");
47
48static int iscsi_dbg_lib_session;
49module_param_named(debug_libiscsi_session, iscsi_dbg_lib_session, int,
50 S_IRUGO | S_IWUSR);
51MODULE_PARM_DESC(debug_libiscsi_session,
52 "Turn on debugging for sessions in libiscsi module. "
53 "Set to 1 to turn on, and zero to turn off. Default is off.");
54
55static int iscsi_dbg_lib_eh;
56module_param_named(debug_libiscsi_eh, iscsi_dbg_lib_eh, int,
57 S_IRUGO | S_IWUSR);
58MODULE_PARM_DESC(debug_libiscsi_eh,
59 "Turn on debugging for error handling in libiscsi module. "
60 "Set to 1 to turn on, and zero to turn off. Default is off.");
46 61
47#define ISCSI_DBG_CONN(_conn, dbg_fmt, arg...) \ 62#define ISCSI_DBG_CONN(_conn, dbg_fmt, arg...) \
48 do { \ 63 do { \
49 if (iscsi_dbg_lib) \ 64 if (iscsi_dbg_lib_conn) \
50 iscsi_conn_printk(KERN_INFO, _conn, \ 65 iscsi_conn_printk(KERN_INFO, _conn, \
51 "%s " dbg_fmt, \ 66 "%s " dbg_fmt, \
52 __func__, ##arg); \ 67 __func__, ##arg); \
@@ -54,7 +69,15 @@ MODULE_PARM_DESC(debug_libiscsi, "Turn on debugging for libiscsi module. "
54 69
55#define ISCSI_DBG_SESSION(_session, dbg_fmt, arg...) \ 70#define ISCSI_DBG_SESSION(_session, dbg_fmt, arg...) \
56 do { \ 71 do { \
57 if (iscsi_dbg_lib) \ 72 if (iscsi_dbg_lib_session) \
73 iscsi_session_printk(KERN_INFO, _session, \
74 "%s " dbg_fmt, \
75 __func__, ##arg); \
76 } while (0);
77
78#define ISCSI_DBG_EH(_session, dbg_fmt, arg...) \
79 do { \
80 if (iscsi_dbg_lib_eh) \
58 iscsi_session_printk(KERN_INFO, _session, \ 81 iscsi_session_printk(KERN_INFO, _session, \
59 "%s " dbg_fmt, \ 82 "%s " dbg_fmt, \
60 __func__, ##arg); \ 83 __func__, ##arg); \
@@ -954,6 +977,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
954 task = iscsi_itt_to_ctask(conn, hdr->itt); 977 task = iscsi_itt_to_ctask(conn, hdr->itt);
955 if (!task) 978 if (!task)
956 return ISCSI_ERR_BAD_ITT; 979 return ISCSI_ERR_BAD_ITT;
980 task->last_xfer = jiffies;
957 break; 981 break;
958 case ISCSI_OP_R2T: 982 case ISCSI_OP_R2T:
959 /* 983 /*
@@ -1192,10 +1216,12 @@ static int iscsi_xmit_task(struct iscsi_conn *conn)
1192 spin_unlock_bh(&conn->session->lock); 1216 spin_unlock_bh(&conn->session->lock);
1193 rc = conn->session->tt->xmit_task(task); 1217 rc = conn->session->tt->xmit_task(task);
1194 spin_lock_bh(&conn->session->lock); 1218 spin_lock_bh(&conn->session->lock);
1195 __iscsi_put_task(task); 1219 if (!rc) {
1196 if (!rc)
1197 /* done with this task */ 1220 /* done with this task */
1221 task->last_xfer = jiffies;
1198 conn->task = NULL; 1222 conn->task = NULL;
1223 }
1224 __iscsi_put_task(task);
1199 return rc; 1225 return rc;
1200} 1226}
1201 1227
@@ -1361,6 +1387,9 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn,
1361 task->state = ISCSI_TASK_PENDING; 1387 task->state = ISCSI_TASK_PENDING;
1362 task->conn = conn; 1388 task->conn = conn;
1363 task->sc = sc; 1389 task->sc = sc;
1390 task->have_checked_conn = false;
1391 task->last_timeout = jiffies;
1392 task->last_xfer = jiffies;
1364 INIT_LIST_HEAD(&task->running); 1393 INIT_LIST_HEAD(&task->running);
1365 return task; 1394 return task;
1366} 1395}
@@ -1555,10 +1584,10 @@ int iscsi_eh_target_reset(struct scsi_cmnd *sc)
1555 spin_lock_bh(&session->lock); 1584 spin_lock_bh(&session->lock);
1556 if (session->state == ISCSI_STATE_TERMINATE) { 1585 if (session->state == ISCSI_STATE_TERMINATE) {
1557failed: 1586failed:
1558 iscsi_session_printk(KERN_INFO, session, 1587 ISCSI_DBG_EH(session,
1559 "failing target reset: Could not log " 1588 "failing target reset: Could not log back into "
1560 "back into target [age %d]\n", 1589 "target [age %d]\n",
1561 session->age); 1590 session->age);
1562 spin_unlock_bh(&session->lock); 1591 spin_unlock_bh(&session->lock);
1563 mutex_unlock(&session->eh_mutex); 1592 mutex_unlock(&session->eh_mutex);
1564 return FAILED; 1593 return FAILED;
@@ -1572,7 +1601,7 @@ failed:
1572 */ 1601 */
1573 iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); 1602 iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
1574 1603
1575 ISCSI_DBG_SESSION(session, "wait for relogin\n"); 1604 ISCSI_DBG_EH(session, "wait for relogin\n");
1576 wait_event_interruptible(conn->ehwait, 1605 wait_event_interruptible(conn->ehwait,
1577 session->state == ISCSI_STATE_TERMINATE || 1606 session->state == ISCSI_STATE_TERMINATE ||
1578 session->state == ISCSI_STATE_LOGGED_IN || 1607 session->state == ISCSI_STATE_LOGGED_IN ||
@@ -1582,10 +1611,10 @@ failed:
1582 1611
1583 mutex_lock(&session->eh_mutex); 1612 mutex_lock(&session->eh_mutex);
1584 spin_lock_bh(&session->lock); 1613 spin_lock_bh(&session->lock);
1585 if (session->state == ISCSI_STATE_LOGGED_IN) 1614 if (session->state == ISCSI_STATE_LOGGED_IN) {
1586 iscsi_session_printk(KERN_INFO, session, 1615 ISCSI_DBG_EH(session,
1587 "target reset succeeded\n"); 1616 "target reset succeeded\n");
1588 else 1617 } else
1589 goto failed; 1618 goto failed;
1590 spin_unlock_bh(&session->lock); 1619 spin_unlock_bh(&session->lock);
1591 mutex_unlock(&session->eh_mutex); 1620 mutex_unlock(&session->eh_mutex);
@@ -1601,7 +1630,7 @@ static void iscsi_tmf_timedout(unsigned long data)
1601 spin_lock(&session->lock); 1630 spin_lock(&session->lock);
1602 if (conn->tmf_state == TMF_QUEUED) { 1631 if (conn->tmf_state == TMF_QUEUED) {
1603 conn->tmf_state = TMF_TIMEDOUT; 1632 conn->tmf_state = TMF_TIMEDOUT;
1604 ISCSI_DBG_SESSION(session, "tmf timedout\n"); 1633 ISCSI_DBG_EH(session, "tmf timedout\n");
1605 /* unblock eh_abort() */ 1634 /* unblock eh_abort() */
1606 wake_up(&conn->ehwait); 1635 wake_up(&conn->ehwait);
1607 } 1636 }
@@ -1621,7 +1650,7 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
1621 spin_unlock_bh(&session->lock); 1650 spin_unlock_bh(&session->lock);
1622 iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); 1651 iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
1623 spin_lock_bh(&session->lock); 1652 spin_lock_bh(&session->lock);
1624 ISCSI_DBG_SESSION(session, "tmf exec failure\n"); 1653 ISCSI_DBG_EH(session, "tmf exec failure\n");
1625 return -EPERM; 1654 return -EPERM;
1626 } 1655 }
1627 conn->tmfcmd_pdus_cnt++; 1656 conn->tmfcmd_pdus_cnt++;
@@ -1629,7 +1658,7 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
1629 conn->tmf_timer.function = iscsi_tmf_timedout; 1658 conn->tmf_timer.function = iscsi_tmf_timedout;
1630 conn->tmf_timer.data = (unsigned long)conn; 1659 conn->tmf_timer.data = (unsigned long)conn;
1631 add_timer(&conn->tmf_timer); 1660 add_timer(&conn->tmf_timer);
1632 ISCSI_DBG_SESSION(session, "tmf set timeout\n"); 1661 ISCSI_DBG_EH(session, "tmf set timeout\n");
1633 1662
1634 spin_unlock_bh(&session->lock); 1663 spin_unlock_bh(&session->lock);
1635 mutex_unlock(&session->eh_mutex); 1664 mutex_unlock(&session->eh_mutex);
@@ -1716,17 +1745,18 @@ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn)
1716 return 0; 1745 return 0;
1717} 1746}
1718 1747
1719static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) 1748static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
1720{ 1749{
1750 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1751 struct iscsi_task *task = NULL;
1721 struct iscsi_cls_session *cls_session; 1752 struct iscsi_cls_session *cls_session;
1722 struct iscsi_session *session; 1753 struct iscsi_session *session;
1723 struct iscsi_conn *conn; 1754 struct iscsi_conn *conn;
1724 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1725 1755
1726 cls_session = starget_to_session(scsi_target(scmd->device)); 1756 cls_session = starget_to_session(scsi_target(sc->device));
1727 session = cls_session->dd_data; 1757 session = cls_session->dd_data;
1728 1758
1729 ISCSI_DBG_SESSION(session, "scsi cmd %p timedout\n", scmd); 1759 ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc);
1730 1760
1731 spin_lock(&session->lock); 1761 spin_lock(&session->lock);
1732 if (session->state != ISCSI_STATE_LOGGED_IN) { 1762 if (session->state != ISCSI_STATE_LOGGED_IN) {
@@ -1745,6 +1775,26 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
1745 goto done; 1775 goto done;
1746 } 1776 }
1747 1777
1778 task = (struct iscsi_task *)sc->SCp.ptr;
1779 if (!task)
1780 goto done;
1781 /*
1782 * If we have sent (at least queued to the network layer) a pdu or
1783 * recvd one for the task since the last timeout ask for
1784 * more time. If on the next timeout we have not made progress
1785 * we can check if it is the task or connection when we send the
1786 * nop as a ping.
1787 */
1788 if (time_after_eq(task->last_xfer, task->last_timeout)) {
1789 ISCSI_DBG_EH(session, "Command making progress. Asking "
1790 "scsi-ml for more time to complete. "
1791 "Last data recv at %lu. Last timeout was at "
1792 "%lu\n.", task->last_xfer, task->last_timeout);
1793 task->have_checked_conn = false;
1794 rc = BLK_EH_RESET_TIMER;
1795 goto done;
1796 }
1797
1748 if (!conn->recv_timeout && !conn->ping_timeout) 1798 if (!conn->recv_timeout && !conn->ping_timeout)
1749 goto done; 1799 goto done;
1750 /* 1800 /*
@@ -1755,23 +1805,32 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
1755 rc = BLK_EH_RESET_TIMER; 1805 rc = BLK_EH_RESET_TIMER;
1756 goto done; 1806 goto done;
1757 } 1807 }
1808
1809 /* Assumes nop timeout is shorter than scsi cmd timeout */
1810 if (task->have_checked_conn)
1811 goto done;
1812
1758 /* 1813 /*
1759 * if we are about to check the transport then give the command 1814 * Checking the transport already or nop from a cmd timeout still
1760 * more time 1815 * running
1761 */ 1816 */
1762 if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ), 1817 if (conn->ping_task) {
1763 jiffies)) { 1818 task->have_checked_conn = true;
1764 rc = BLK_EH_RESET_TIMER; 1819 rc = BLK_EH_RESET_TIMER;
1765 goto done; 1820 goto done;
1766 } 1821 }
1767 1822
1768 /* if in the middle of checking the transport then give us more time */ 1823 /* Make sure there is a transport check done */
1769 if (conn->ping_task) 1824 iscsi_send_nopout(conn, NULL);
1770 rc = BLK_EH_RESET_TIMER; 1825 task->have_checked_conn = true;
1826 rc = BLK_EH_RESET_TIMER;
1827
1771done: 1828done:
1829 if (task)
1830 task->last_timeout = jiffies;
1772 spin_unlock(&session->lock); 1831 spin_unlock(&session->lock);
1773 ISCSI_DBG_SESSION(session, "return %s\n", rc == BLK_EH_RESET_TIMER ? 1832 ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ?
1774 "timer reset" : "nh"); 1833 "timer reset" : "nh");
1775 return rc; 1834 return rc;
1776} 1835}
1777 1836
@@ -1841,7 +1900,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1841 cls_session = starget_to_session(scsi_target(sc->device)); 1900 cls_session = starget_to_session(scsi_target(sc->device));
1842 session = cls_session->dd_data; 1901 session = cls_session->dd_data;
1843 1902
1844 ISCSI_DBG_SESSION(session, "aborting sc %p\n", sc); 1903 ISCSI_DBG_EH(session, "aborting sc %p\n", sc);
1845 1904
1846 mutex_lock(&session->eh_mutex); 1905 mutex_lock(&session->eh_mutex);
1847 spin_lock_bh(&session->lock); 1906 spin_lock_bh(&session->lock);
@@ -1850,8 +1909,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1850 * got the command. 1909 * got the command.
1851 */ 1910 */
1852 if (!sc->SCp.ptr) { 1911 if (!sc->SCp.ptr) {
1853 ISCSI_DBG_SESSION(session, "sc never reached iscsi layer or " 1912 ISCSI_DBG_EH(session, "sc never reached iscsi layer or "
1854 "it completed.\n"); 1913 "it completed.\n");
1855 spin_unlock_bh(&session->lock); 1914 spin_unlock_bh(&session->lock);
1856 mutex_unlock(&session->eh_mutex); 1915 mutex_unlock(&session->eh_mutex);
1857 return SUCCESS; 1916 return SUCCESS;
@@ -1865,7 +1924,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1865 sc->SCp.phase != session->age) { 1924 sc->SCp.phase != session->age) {
1866 spin_unlock_bh(&session->lock); 1925 spin_unlock_bh(&session->lock);
1867 mutex_unlock(&session->eh_mutex); 1926 mutex_unlock(&session->eh_mutex);
1868 ISCSI_DBG_SESSION(session, "failing abort due to dropped " 1927 ISCSI_DBG_EH(session, "failing abort due to dropped "
1869 "session.\n"); 1928 "session.\n");
1870 return FAILED; 1929 return FAILED;
1871 } 1930 }
@@ -1875,13 +1934,12 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1875 age = session->age; 1934 age = session->age;
1876 1935
1877 task = (struct iscsi_task *)sc->SCp.ptr; 1936 task = (struct iscsi_task *)sc->SCp.ptr;
1878 ISCSI_DBG_SESSION(session, "aborting [sc %p itt 0x%x]\n", 1937 ISCSI_DBG_EH(session, "aborting [sc %p itt 0x%x]\n",
1879 sc, task->itt); 1938 sc, task->itt);
1880 1939
1881 /* task completed before time out */ 1940 /* task completed before time out */
1882 if (!task->sc) { 1941 if (!task->sc) {
1883 ISCSI_DBG_SESSION(session, "sc completed while abort in " 1942 ISCSI_DBG_EH(session, "sc completed while abort in progress\n");
1884 "progress\n");
1885 goto success; 1943 goto success;
1886 } 1944 }
1887 1945
@@ -1930,8 +1988,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1930 if (!sc->SCp.ptr) { 1988 if (!sc->SCp.ptr) {
1931 conn->tmf_state = TMF_INITIAL; 1989 conn->tmf_state = TMF_INITIAL;
1932 /* task completed before tmf abort response */ 1990 /* task completed before tmf abort response */
1933 ISCSI_DBG_SESSION(session, "sc completed while abort " 1991 ISCSI_DBG_EH(session, "sc completed while abort in "
1934 "in progress\n"); 1992 "progress\n");
1935 goto success; 1993 goto success;
1936 } 1994 }
1937 /* fall through */ 1995 /* fall through */
@@ -1943,16 +2001,16 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1943success: 2001success:
1944 spin_unlock_bh(&session->lock); 2002 spin_unlock_bh(&session->lock);
1945success_unlocked: 2003success_unlocked:
1946 ISCSI_DBG_SESSION(session, "abort success [sc %p itt 0x%x]\n", 2004 ISCSI_DBG_EH(session, "abort success [sc %p itt 0x%x]\n",
1947 sc, task->itt); 2005 sc, task->itt);
1948 mutex_unlock(&session->eh_mutex); 2006 mutex_unlock(&session->eh_mutex);
1949 return SUCCESS; 2007 return SUCCESS;
1950 2008
1951failed: 2009failed:
1952 spin_unlock_bh(&session->lock); 2010 spin_unlock_bh(&session->lock);
1953failed_unlocked: 2011failed_unlocked:
1954 ISCSI_DBG_SESSION(session, "abort failed [sc %p itt 0x%x]\n", sc, 2012 ISCSI_DBG_EH(session, "abort failed [sc %p itt 0x%x]\n", sc,
1955 task ? task->itt : 0); 2013 task ? task->itt : 0);
1956 mutex_unlock(&session->eh_mutex); 2014 mutex_unlock(&session->eh_mutex);
1957 return FAILED; 2015 return FAILED;
1958} 2016}
@@ -1979,8 +2037,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
1979 cls_session = starget_to_session(scsi_target(sc->device)); 2037 cls_session = starget_to_session(scsi_target(sc->device));
1980 session = cls_session->dd_data; 2038 session = cls_session->dd_data;
1981 2039
1982 ISCSI_DBG_SESSION(session, "LU Reset [sc %p lun %u]\n", 2040 ISCSI_DBG_EH(session, "LU Reset [sc %p lun %u]\n", sc, sc->device->lun);
1983 sc, sc->device->lun);
1984 2041
1985 mutex_lock(&session->eh_mutex); 2042 mutex_lock(&session->eh_mutex);
1986 spin_lock_bh(&session->lock); 2043 spin_lock_bh(&session->lock);
@@ -2034,8 +2091,8 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
2034unlock: 2091unlock:
2035 spin_unlock_bh(&session->lock); 2092 spin_unlock_bh(&session->lock);
2036done: 2093done:
2037 ISCSI_DBG_SESSION(session, "dev reset result = %s\n", 2094 ISCSI_DBG_EH(session, "dev reset result = %s\n",
2038 rc == SUCCESS ? "SUCCESS" : "FAILED"); 2095 rc == SUCCESS ? "SUCCESS" : "FAILED");
2039 mutex_unlock(&session->eh_mutex); 2096 mutex_unlock(&session->eh_mutex);
2040 return rc; 2097 return rc;
2041} 2098}
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 2bc07090321d..2e0746d70303 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -686,6 +686,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
686 "offset=%d, datalen=%d)\n", 686 "offset=%d, datalen=%d)\n",
687 tcp_task->data_offset, 687 tcp_task->data_offset,
688 tcp_conn->in.datalen); 688 tcp_conn->in.datalen);
689 task->last_xfer = jiffies;
689 rc = iscsi_segment_seek_sg(&tcp_conn->in.segment, 690 rc = iscsi_segment_seek_sg(&tcp_conn->in.segment,
690 sdb->table.sgl, 691 sdb->table.sgl,
691 sdb->table.nents, 692 sdb->table.nents,
@@ -713,9 +714,10 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
713 rc = ISCSI_ERR_BAD_ITT; 714 rc = ISCSI_ERR_BAD_ITT;
714 else if (ahslen) 715 else if (ahslen)
715 rc = ISCSI_ERR_AHSLEN; 716 rc = ISCSI_ERR_AHSLEN;
716 else if (task->sc->sc_data_direction == DMA_TO_DEVICE) 717 else if (task->sc->sc_data_direction == DMA_TO_DEVICE) {
718 task->last_xfer = jiffies;
717 rc = iscsi_tcp_r2t_rsp(conn, task); 719 rc = iscsi_tcp_r2t_rsp(conn, task);
718 else 720 } else
719 rc = ISCSI_ERR_PROTO; 721 rc = ISCSI_ERR_PROTO;
720 spin_unlock(&conn->session->lock); 722 spin_unlock(&conn->session->lock);
721 break; 723 break;
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 4a990f4da4ea..cca8e4ab0372 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -216,7 +216,7 @@ qla24xx_soft_reset(struct qla_hw_data *ha)
216 216
217static int 217static int
218qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram, 218qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram,
219 uint16_t ram_words, void **nxt) 219 uint32_t ram_words, void **nxt)
220{ 220{
221 int rval; 221 int rval;
222 uint32_t cnt, stat, timer, words, idx; 222 uint32_t cnt, stat, timer, words, idx;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 262026129325..f2ce8e3cc91b 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2301,7 +2301,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2301 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; 2301 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2302 char *link_speed; 2302 char *link_speed;
2303 int rval; 2303 int rval;
2304 uint16_t mb[6]; 2304 uint16_t mb[4];
2305 struct qla_hw_data *ha = vha->hw; 2305 struct qla_hw_data *ha = vha->hw;
2306 2306
2307 if (!IS_IIDMA_CAPABLE(ha)) 2307 if (!IS_IIDMA_CAPABLE(ha))
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 451ece0760b0..fe69f3057671 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1267,17 +1267,22 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
1267 1267
1268 mcp->mb[0] = MBC_GET_FIRMWARE_STATE; 1268 mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
1269 mcp->out_mb = MBX_0; 1269 mcp->out_mb = MBX_0;
1270 mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 1270 if (IS_FWI2_CAPABLE(vha->hw))
1271 mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
1272 else
1273 mcp->in_mb = MBX_1|MBX_0;
1271 mcp->tov = MBX_TOV_SECONDS; 1274 mcp->tov = MBX_TOV_SECONDS;
1272 mcp->flags = 0; 1275 mcp->flags = 0;
1273 rval = qla2x00_mailbox_command(vha, mcp); 1276 rval = qla2x00_mailbox_command(vha, mcp);
1274 1277
1275 /* Return firmware states. */ 1278 /* Return firmware states. */
1276 states[0] = mcp->mb[1]; 1279 states[0] = mcp->mb[1];
1277 states[1] = mcp->mb[2]; 1280 if (IS_FWI2_CAPABLE(vha->hw)) {
1278 states[2] = mcp->mb[3]; 1281 states[1] = mcp->mb[2];
1279 states[3] = mcp->mb[4]; 1282 states[2] = mcp->mb[3];
1280 states[4] = mcp->mb[5]; 1283 states[3] = mcp->mb[4];
1284 states[4] = mcp->mb[5];
1285 }
1281 1286
1282 if (rval != QLA_SUCCESS) { 1287 if (rval != QLA_SUCCESS) {
1283 /*EMPTY*/ 1288 /*EMPTY*/
@@ -2697,10 +2702,13 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
2697 mcp->mb[0] = MBC_PORT_PARAMS; 2702 mcp->mb[0] = MBC_PORT_PARAMS;
2698 mcp->mb[1] = loop_id; 2703 mcp->mb[1] = loop_id;
2699 mcp->mb[2] = BIT_0; 2704 mcp->mb[2] = BIT_0;
2700 mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); 2705 if (IS_QLA81XX(vha->hw))
2701 mcp->mb[4] = mcp->mb[5] = 0; 2706 mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0);
2702 mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 2707 else
2703 mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0; 2708 mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
2709 mcp->mb[9] = vha->vp_idx;
2710 mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
2711 mcp->in_mb = MBX_3|MBX_1|MBX_0;
2704 mcp->tov = MBX_TOV_SECONDS; 2712 mcp->tov = MBX_TOV_SECONDS;
2705 mcp->flags = 0; 2713 mcp->flags = 0;
2706 rval = qla2x00_mailbox_command(vha, mcp); 2714 rval = qla2x00_mailbox_command(vha, mcp);
@@ -2710,8 +2718,6 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
2710 mb[0] = mcp->mb[0]; 2718 mb[0] = mcp->mb[0];
2711 mb[1] = mcp->mb[1]; 2719 mb[1] = mcp->mb[1];
2712 mb[3] = mcp->mb[3]; 2720 mb[3] = mcp->mb[3];
2713 mb[4] = mcp->mb[4];
2714 mb[5] = mcp->mb[5];
2715 } 2721 }
2716 2722
2717 if (rval != QLA_SUCCESS) { 2723 if (rval != QLA_SUCCESS) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index dcf011679c8b..f0396e79b6fa 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1663,7 +1663,7 @@ skip_pio:
1663 /* queue 0 uses two msix vectors */ 1663 /* queue 0 uses two msix vectors */
1664 if (ql2xmultique_tag) { 1664 if (ql2xmultique_tag) {
1665 cpus = num_online_cpus(); 1665 cpus = num_online_cpus();
1666 ha->max_rsp_queues = (ha->msix_count - 1 - cpus) ? 1666 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1667 (cpus + 1) : (ha->msix_count - 1); 1667 (cpus + 1) : (ha->msix_count - 1);
1668 ha->max_req_queues = 2; 1668 ha->max_req_queues = 2;
1669 } else if (ql2xmaxqueues > 1) { 1669 } else if (ql2xmaxqueues > 1) {
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index b63feaf43126..84369705a9ad 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
7/* 7/*
8 * Driver version 8 * Driver version
9 */ 9 */
10#define QLA2XXX_VERSION "8.03.01-k3" 10#define QLA2XXX_VERSION "8.03.01-k4"
11 11
12#define QLA_DRIVER_MAJOR_VER 8 12#define QLA_DRIVER_MAJOR_VER 8
13#define QLA_DRIVER_MINOR_VER 3 13#define QLA_DRIVER_MINOR_VER 3
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 41a21772df12..fb9af207d61d 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -101,6 +101,8 @@ static const char * scsi_debug_version_date = "20070104";
101#define DEF_DIF 0 101#define DEF_DIF 0
102#define DEF_GUARD 0 102#define DEF_GUARD 0
103#define DEF_ATO 1 103#define DEF_ATO 1
104#define DEF_PHYSBLK_EXP 0
105#define DEF_LOWEST_ALIGNED 0
104 106
105/* bit mask values for scsi_debug_opts */ 107/* bit mask values for scsi_debug_opts */
106#define SCSI_DEBUG_OPT_NOISE 1 108#define SCSI_DEBUG_OPT_NOISE 1
@@ -156,6 +158,8 @@ static int scsi_debug_dix = DEF_DIX;
156static int scsi_debug_dif = DEF_DIF; 158static int scsi_debug_dif = DEF_DIF;
157static int scsi_debug_guard = DEF_GUARD; 159static int scsi_debug_guard = DEF_GUARD;
158static int scsi_debug_ato = DEF_ATO; 160static int scsi_debug_ato = DEF_ATO;
161static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
162static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
159 163
160static int scsi_debug_cmnd_count = 0; 164static int scsi_debug_cmnd_count = 0;
161 165
@@ -657,7 +661,12 @@ static unsigned char vpdb0_data[] = {
657 661
658static int inquiry_evpd_b0(unsigned char * arr) 662static int inquiry_evpd_b0(unsigned char * arr)
659{ 663{
664 unsigned int gran;
665
660 memcpy(arr, vpdb0_data, sizeof(vpdb0_data)); 666 memcpy(arr, vpdb0_data, sizeof(vpdb0_data));
667 gran = 1 << scsi_debug_physblk_exp;
668 arr[2] = (gran >> 8) & 0xff;
669 arr[3] = gran & 0xff;
661 if (sdebug_store_sectors > 0x400) { 670 if (sdebug_store_sectors > 0x400) {
662 arr[4] = (sdebug_store_sectors >> 24) & 0xff; 671 arr[4] = (sdebug_store_sectors >> 24) & 0xff;
663 arr[5] = (sdebug_store_sectors >> 16) & 0xff; 672 arr[5] = (sdebug_store_sectors >> 16) & 0xff;
@@ -945,6 +954,9 @@ static int resp_readcap16(struct scsi_cmnd * scp,
945 arr[9] = (scsi_debug_sector_size >> 16) & 0xff; 954 arr[9] = (scsi_debug_sector_size >> 16) & 0xff;
946 arr[10] = (scsi_debug_sector_size >> 8) & 0xff; 955 arr[10] = (scsi_debug_sector_size >> 8) & 0xff;
947 arr[11] = scsi_debug_sector_size & 0xff; 956 arr[11] = scsi_debug_sector_size & 0xff;
957 arr[13] = scsi_debug_physblk_exp & 0xf;
958 arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f;
959 arr[15] = scsi_debug_lowest_aligned & 0xff;
948 960
949 if (scsi_debug_dif) { 961 if (scsi_debug_dif) {
950 arr[12] = (scsi_debug_dif - 1) << 1; /* P_TYPE */ 962 arr[12] = (scsi_debug_dif - 1) << 1; /* P_TYPE */
@@ -2380,6 +2392,8 @@ module_param_named(dix, scsi_debug_dix, int, S_IRUGO);
2380module_param_named(dif, scsi_debug_dif, int, S_IRUGO); 2392module_param_named(dif, scsi_debug_dif, int, S_IRUGO);
2381module_param_named(guard, scsi_debug_guard, int, S_IRUGO); 2393module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
2382module_param_named(ato, scsi_debug_ato, int, S_IRUGO); 2394module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
2395module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
2396module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
2383 2397
2384MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert"); 2398MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert");
2385MODULE_DESCRIPTION("SCSI debug adapter driver"); 2399MODULE_DESCRIPTION("SCSI debug adapter driver");
@@ -2401,7 +2415,9 @@ MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])");
2401MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])"); 2415MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])");
2402MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)"); 2416MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
2403MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)"); 2417MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
2404MODULE_PARM_DESC(sector_size, "hardware sector size in bytes (def=512)"); 2418MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)");
2419MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
2420MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
2405MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)"); 2421MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
2406MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)"); 2422MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
2407MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)"); 2423MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
@@ -2874,6 +2890,18 @@ static int __init scsi_debug_init(void)
2874 return -EINVAL; 2890 return -EINVAL;
2875 } 2891 }
2876 2892
2893 if (scsi_debug_physblk_exp > 15) {
2894 printk(KERN_ERR "scsi_debug_init: invalid physblk_exp %u\n",
2895 scsi_debug_physblk_exp);
2896 return -EINVAL;
2897 }
2898
2899 if (scsi_debug_lowest_aligned > 0x3fff) {
2900 printk(KERN_ERR "scsi_debug_init: lowest_aligned too big: %u\n",
2901 scsi_debug_lowest_aligned);
2902 return -EINVAL;
2903 }
2904
2877 if (scsi_debug_dev_size_mb < 1) 2905 if (scsi_debug_dev_size_mb < 1)
2878 scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */ 2906 scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */
2879 sz = (unsigned long)scsi_debug_dev_size_mb * 1048576; 2907 sz = (unsigned long)scsi_debug_dev_size_mb * 1048576;
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 8821df9a277b..93c2622cb969 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -24,6 +24,13 @@ struct scsi_dev_info_list {
24 unsigned compatible; /* for use with scsi_static_device_list entries */ 24 unsigned compatible; /* for use with scsi_static_device_list entries */
25}; 25};
26 26
27struct scsi_dev_info_list_table {
28 struct list_head node; /* our node for being on the master list */
29 struct list_head scsi_dev_info_list; /* head of dev info list */
30 const char *name; /* name of list for /proc (NULL for global) */
31 int key; /* unique numeric identifier */
32};
33
27 34
28static const char spaces[] = " "; /* 16 of them */ 35static const char spaces[] = " "; /* 16 of them */
29static unsigned scsi_default_dev_flags; 36static unsigned scsi_default_dev_flags;
@@ -247,6 +254,22 @@ static struct {
247 { NULL, NULL, NULL, 0 }, 254 { NULL, NULL, NULL, 0 },
248}; 255};
249 256
257static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key)
258{
259 struct scsi_dev_info_list_table *devinfo_table;
260 int found = 0;
261
262 list_for_each_entry(devinfo_table, &scsi_dev_info_list, node)
263 if (devinfo_table->key == key) {
264 found = 1;
265 break;
266 }
267 if (!found)
268 return ERR_PTR(-EINVAL);
269
270 return devinfo_table;
271}
272
250/* 273/*
251 * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into 274 * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into
252 * devinfo vendor and model strings. 275 * devinfo vendor and model strings.
@@ -296,7 +319,38 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length,
296static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, 319static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,
297 char *strflags, int flags) 320 char *strflags, int flags)
298{ 321{
322 return scsi_dev_info_list_add_keyed(compatible, vendor, model,
323 strflags, flags,
324 SCSI_DEVINFO_GLOBAL);
325}
326
327/**
328 * scsi_dev_info_list_add_keyed - add one dev_info list entry.
329 * @compatible: if true, null terminate short strings. Otherwise space pad.
330 * @vendor: vendor string
331 * @model: model (product) string
332 * @strflags: integer string
333 * @flags: if strflags NULL, use this flag value
334 * @key: specify list to use
335 *
336 * Description:
337 * Create and add one dev_info entry for @vendor, @model,
338 * @strflags or @flag in list specified by @key. If @compatible,
339 * add to the tail of the list, do not space pad, and set
340 * devinfo->compatible. The scsi_static_device_list entries are
341 * added with @compatible 1 and @clfags NULL.
342 *
343 * Returns: 0 OK, -error on failure.
344 **/
345int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,
346 char *strflags, int flags, int key)
347{
299 struct scsi_dev_info_list *devinfo; 348 struct scsi_dev_info_list *devinfo;
349 struct scsi_dev_info_list_table *devinfo_table =
350 scsi_devinfo_lookup_by_key(key);
351
352 if (IS_ERR(devinfo_table))
353 return PTR_ERR(devinfo_table);
300 354
301 devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL); 355 devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL);
302 if (!devinfo) { 356 if (!devinfo) {
@@ -317,12 +371,15 @@ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,
317 devinfo->compatible = compatible; 371 devinfo->compatible = compatible;
318 372
319 if (compatible) 373 if (compatible)
320 list_add_tail(&devinfo->dev_info_list, &scsi_dev_info_list); 374 list_add_tail(&devinfo->dev_info_list,
375 &devinfo_table->scsi_dev_info_list);
321 else 376 else
322 list_add(&devinfo->dev_info_list, &scsi_dev_info_list); 377 list_add(&devinfo->dev_info_list,
378 &devinfo_table->scsi_dev_info_list);
323 379
324 return 0; 380 return 0;
325} 381}
382EXPORT_SYMBOL(scsi_dev_info_list_add_keyed);
326 383
327/** 384/**
328 * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. 385 * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list.
@@ -382,22 +439,48 @@ static int scsi_dev_info_list_add_str(char *dev_list)
382 * @model: model name 439 * @model: model name
383 * 440 *
384 * Description: 441 * Description:
385 * Search the scsi_dev_info_list for an entry matching @vendor and 442 * Search the global scsi_dev_info_list (specified by list zero)
386 * @model, if found, return the matching flags value, else return 443 * for an entry matching @vendor and @model, if found, return the
387 * the host or global default settings. Called during scan time. 444 * matching flags value, else return the host or global default
445 * settings. Called during scan time.
388 **/ 446 **/
389int scsi_get_device_flags(struct scsi_device *sdev, 447int scsi_get_device_flags(struct scsi_device *sdev,
390 const unsigned char *vendor, 448 const unsigned char *vendor,
391 const unsigned char *model) 449 const unsigned char *model)
392{ 450{
451 return scsi_get_device_flags_keyed(sdev, vendor, model,
452 SCSI_DEVINFO_GLOBAL);
453}
454
455
456/**
457 * get_device_flags_keyed - get device specific flags from the dynamic device list.
458 * @sdev: &scsi_device to get flags for
459 * @vendor: vendor name
460 * @model: model name
461 * @key: list to look up
462 *
463 * Description:
464 * Search the scsi_dev_info_list specified by @key for an entry
465 * matching @vendor and @model, if found, return the matching
466 * flags value, else return the host or global default settings.
467 * Called during scan time.
468 **/
469int scsi_get_device_flags_keyed(struct scsi_device *sdev,
470 const unsigned char *vendor,
471 const unsigned char *model,
472 int key)
473{
393 struct scsi_dev_info_list *devinfo; 474 struct scsi_dev_info_list *devinfo;
394 unsigned int bflags; 475 struct scsi_dev_info_list_table *devinfo_table;
476
477 devinfo_table = scsi_devinfo_lookup_by_key(key);
395 478
396 bflags = sdev->sdev_bflags; 479 if (IS_ERR(devinfo_table))
397 if (!bflags) 480 return PTR_ERR(devinfo_table);
398 bflags = scsi_default_dev_flags;
399 481
400 list_for_each_entry(devinfo, &scsi_dev_info_list, dev_info_list) { 482 list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list,
483 dev_info_list) {
401 if (devinfo->compatible) { 484 if (devinfo->compatible) {
402 /* 485 /*
403 * Behave like the older version of get_device_flags. 486 * Behave like the older version of get_device_flags.
@@ -447,32 +530,89 @@ int scsi_get_device_flags(struct scsi_device *sdev,
447 return devinfo->flags; 530 return devinfo->flags;
448 } 531 }
449 } 532 }
450 return bflags; 533 /* nothing found, return nothing */
534 if (key != SCSI_DEVINFO_GLOBAL)
535 return 0;
536
537 /* except for the global list, where we have an exception */
538 if (sdev->sdev_bflags)
539 return sdev->sdev_bflags;
540
541 return scsi_default_dev_flags;
451} 542}
543EXPORT_SYMBOL(scsi_get_device_flags_keyed);
452 544
453#ifdef CONFIG_SCSI_PROC_FS 545#ifdef CONFIG_SCSI_PROC_FS
546struct double_list {
547 struct list_head *top;
548 struct list_head *bottom;
549};
550
454static int devinfo_seq_show(struct seq_file *m, void *v) 551static int devinfo_seq_show(struct seq_file *m, void *v)
455{ 552{
553 struct double_list *dl = v;
554 struct scsi_dev_info_list_table *devinfo_table =
555 list_entry(dl->top, struct scsi_dev_info_list_table, node);
456 struct scsi_dev_info_list *devinfo = 556 struct scsi_dev_info_list *devinfo =
457 list_entry(v, struct scsi_dev_info_list, dev_info_list); 557 list_entry(dl->bottom, struct scsi_dev_info_list,
558 dev_info_list);
559
560 if (devinfo_table->scsi_dev_info_list.next == dl->bottom &&
561 devinfo_table->name)
562 seq_printf(m, "[%s]:\n", devinfo_table->name);
458 563
459 seq_printf(m, "'%.8s' '%.16s' 0x%x\n", 564 seq_printf(m, "'%.8s' '%.16s' 0x%x\n",
460 devinfo->vendor, devinfo->model, devinfo->flags); 565 devinfo->vendor, devinfo->model, devinfo->flags);
461 return 0; 566 return 0;
462} 567}
463 568
464static void * devinfo_seq_start(struct seq_file *m, loff_t *pos) 569static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos)
465{ 570{
466 return seq_list_start(&scsi_dev_info_list, *pos); 571 struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL);
572 loff_t pos = *ppos;
573
574 if (!dl)
575 return NULL;
576
577 list_for_each(dl->top, &scsi_dev_info_list) {
578 struct scsi_dev_info_list_table *devinfo_table =
579 list_entry(dl->top, struct scsi_dev_info_list_table,
580 node);
581 list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list)
582 if (pos-- == 0)
583 return dl;
584 }
585
586 kfree(dl);
587 return NULL;
467} 588}
468 589
469static void * devinfo_seq_next(struct seq_file *m, void *v, loff_t *pos) 590static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos)
470{ 591{
471 return seq_list_next(v, &scsi_dev_info_list, pos); 592 struct double_list *dl = v;
593 struct scsi_dev_info_list_table *devinfo_table =
594 list_entry(dl->top, struct scsi_dev_info_list_table, node);
595
596 ++*ppos;
597 dl->bottom = dl->bottom->next;
598 while (&devinfo_table->scsi_dev_info_list == dl->bottom) {
599 dl->top = dl->top->next;
600 if (dl->top == &scsi_dev_info_list) {
601 kfree(dl);
602 return NULL;
603 }
604 devinfo_table = list_entry(dl->top,
605 struct scsi_dev_info_list_table,
606 node);
607 dl->bottom = devinfo_table->scsi_dev_info_list.next;
608 }
609
610 return dl;
472} 611}
473 612
474static void devinfo_seq_stop(struct seq_file *m, void *v) 613static void devinfo_seq_stop(struct seq_file *m, void *v)
475{ 614{
615 kfree(v);
476} 616}
477 617
478static const struct seq_operations scsi_devinfo_seq_ops = { 618static const struct seq_operations scsi_devinfo_seq_ops = {
@@ -549,19 +689,78 @@ MODULE_PARM_DESC(default_dev_flags,
549 **/ 689 **/
550void scsi_exit_devinfo(void) 690void scsi_exit_devinfo(void)
551{ 691{
552 struct list_head *lh, *lh_next;
553 struct scsi_dev_info_list *devinfo;
554
555#ifdef CONFIG_SCSI_PROC_FS 692#ifdef CONFIG_SCSI_PROC_FS
556 remove_proc_entry("scsi/device_info", NULL); 693 remove_proc_entry("scsi/device_info", NULL);
557#endif 694#endif
558 695
559 list_for_each_safe(lh, lh_next, &scsi_dev_info_list) { 696 scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL);
697}
698
699/**
700 * scsi_dev_info_add_list - add a new devinfo list
701 * @key: key of the list to add
702 * @name: Name of the list to add (for /proc/scsi/device_info)
703 *
704 * Adds the requested list, returns zero on success, -EEXIST if the
705 * key is already registered to a list, or other error on failure.
706 */
707int scsi_dev_info_add_list(int key, const char *name)
708{
709 struct scsi_dev_info_list_table *devinfo_table =
710 scsi_devinfo_lookup_by_key(key);
711
712 if (!IS_ERR(devinfo_table))
713 /* list already exists */
714 return -EEXIST;
715
716 devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL);
717
718 if (!devinfo_table)
719 return -ENOMEM;
720
721 INIT_LIST_HEAD(&devinfo_table->node);
722 INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list);
723 devinfo_table->name = name;
724 devinfo_table->key = key;
725 list_add_tail(&devinfo_table->node, &scsi_dev_info_list);
726
727 return 0;
728}
729EXPORT_SYMBOL(scsi_dev_info_add_list);
730
731/**
732 * scsi_dev_info_remove_list - destroy an added devinfo list
733 * @key: key of the list to destroy
734 *
735 * Iterates over the entire list first, freeing all the values, then
736 * frees the list itself. Returns 0 on success or -EINVAL if the key
737 * can't be found.
738 */
739int scsi_dev_info_remove_list(int key)
740{
741 struct list_head *lh, *lh_next;
742 struct scsi_dev_info_list_table *devinfo_table =
743 scsi_devinfo_lookup_by_key(key);
744
745 if (IS_ERR(devinfo_table))
746 /* no such list */
747 return -EINVAL;
748
749 /* remove from the master list */
750 list_del(&devinfo_table->node);
751
752 list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) {
753 struct scsi_dev_info_list *devinfo;
754
560 devinfo = list_entry(lh, struct scsi_dev_info_list, 755 devinfo = list_entry(lh, struct scsi_dev_info_list,
561 dev_info_list); 756 dev_info_list);
562 kfree(devinfo); 757 kfree(devinfo);
563 } 758 }
759 kfree(devinfo_table);
760
761 return 0;
564} 762}
763EXPORT_SYMBOL(scsi_dev_info_remove_list);
565 764
566/** 765/**
567 * scsi_init_devinfo - set up the dynamic device list. 766 * scsi_init_devinfo - set up the dynamic device list.
@@ -577,10 +776,14 @@ int __init scsi_init_devinfo(void)
577#endif 776#endif
578 int error, i; 777 int error, i;
579 778
580 error = scsi_dev_info_list_add_str(scsi_dev_flags); 779 error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL);
581 if (error) 780 if (error)
582 return error; 781 return error;
583 782
783 error = scsi_dev_info_list_add_str(scsi_dev_flags);
784 if (error)
785 goto out;
786
584 for (i = 0; scsi_static_device_list[i].vendor; i++) { 787 for (i = 0; scsi_static_device_list[i].vendor; i++) {
585 error = scsi_dev_info_list_add(1 /* compatibile */, 788 error = scsi_dev_info_list_add(1 /* compatibile */,
586 scsi_static_device_list[i].vendor, 789 scsi_static_device_list[i].vendor,
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 30f3275e119e..f3c40898fc7d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1207,6 +1207,7 @@ int scsi_prep_fn(struct request_queue *q, struct request *req)
1207 ret = scsi_setup_blk_pc_cmnd(sdev, req); 1207 ret = scsi_setup_blk_pc_cmnd(sdev, req);
1208 return scsi_prep_return(q, req, ret); 1208 return scsi_prep_return(q, req, ret);
1209} 1209}
1210EXPORT_SYMBOL(scsi_prep_fn);
1210 1211
1211/* 1212/*
1212 * scsi_dev_queue_ready: if we can send requests to sdev, return 1 else 1213 * scsi_dev_queue_ready: if we can send requests to sdev, return 1 else
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index fbc83bebdd8e..021e503c8c44 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -39,9 +39,25 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
39#endif 39#endif
40 40
41/* scsi_devinfo.c */ 41/* scsi_devinfo.c */
42
43/* list of keys for the lists */
44enum {
45 SCSI_DEVINFO_GLOBAL = 0,
46 SCSI_DEVINFO_SPI,
47};
48
42extern int scsi_get_device_flags(struct scsi_device *sdev, 49extern int scsi_get_device_flags(struct scsi_device *sdev,
43 const unsigned char *vendor, 50 const unsigned char *vendor,
44 const unsigned char *model); 51 const unsigned char *model);
52extern int scsi_get_device_flags_keyed(struct scsi_device *sdev,
53 const unsigned char *vendor,
54 const unsigned char *model, int key);
55extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,
56 char *model, char *strflags,
57 int flags, int key);
58extern int scsi_dev_info_add_list(int key, const char *name);
59extern int scsi_dev_info_remove_list(int key);
60
45extern int __init scsi_init_devinfo(void); 61extern int __init scsi_init_devinfo(void);
46extern void scsi_exit_devinfo(void); 62extern void scsi_exit_devinfo(void);
47 63
@@ -71,7 +87,6 @@ extern int scsi_init_queue(void);
71extern void scsi_exit_queue(void); 87extern void scsi_exit_queue(void);
72struct request_queue; 88struct request_queue;
73struct request; 89struct request;
74extern int scsi_prep_fn(struct request_queue *, struct request *);
75extern struct kmem_cache *scsi_sdb_cache; 90extern struct kmem_cache *scsi_sdb_cache;
76 91
77/* scsi_proc.c */ 92/* scsi_proc.c */
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index fa4711d12744..91482f2dcc50 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -420,29 +420,12 @@ static int scsi_bus_resume(struct device * dev)
420 return err; 420 return err;
421} 421}
422 422
423static int scsi_bus_remove(struct device *dev)
424{
425 struct device_driver *drv = dev->driver;
426 struct scsi_device *sdev = to_scsi_device(dev);
427 int err = 0;
428
429 /* reset the prep_fn back to the default since the
430 * driver may have altered it and it's being removed */
431 blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn);
432
433 if (drv && drv->remove)
434 err = drv->remove(dev);
435
436 return 0;
437}
438
439struct bus_type scsi_bus_type = { 423struct bus_type scsi_bus_type = {
440 .name = "scsi", 424 .name = "scsi",
441 .match = scsi_bus_match, 425 .match = scsi_bus_match,
442 .uevent = scsi_bus_uevent, 426 .uevent = scsi_bus_uevent,
443 .suspend = scsi_bus_suspend, 427 .suspend = scsi_bus_suspend,
444 .resume = scsi_bus_resume, 428 .resume = scsi_bus_resume,
445 .remove = scsi_bus_remove,
446}; 429};
447EXPORT_SYMBOL_GPL(scsi_bus_type); 430EXPORT_SYMBOL_GPL(scsi_bus_type);
448 431
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 3f64d93b6c8b..2eee9e6e4fe8 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3397,7 +3397,6 @@ fc_destroy_bsgjob(struct fc_bsg_job *job)
3397 kfree(job); 3397 kfree(job);
3398} 3398}
3399 3399
3400
3401/** 3400/**
3402 * fc_bsg_jobdone - completion routine for bsg requests that the LLD has 3401 * fc_bsg_jobdone - completion routine for bsg requests that the LLD has
3403 * completed 3402 * completed
@@ -3408,15 +3407,10 @@ fc_bsg_jobdone(struct fc_bsg_job *job)
3408{ 3407{
3409 struct request *req = job->req; 3408 struct request *req = job->req;
3410 struct request *rsp = req->next_rq; 3409 struct request *rsp = req->next_rq;
3411 unsigned long flags;
3412 int err; 3410 int err;
3413 3411
3414 spin_lock_irqsave(&job->job_lock, flags);
3415 job->state_flags |= FC_RQST_STATE_DONE;
3416 job->ref_cnt--;
3417 spin_unlock_irqrestore(&job->job_lock, flags);
3418
3419 err = job->req->errors = job->reply->result; 3412 err = job->req->errors = job->reply->result;
3413
3420 if (err < 0) 3414 if (err < 0)
3421 /* we're only returning the result field in the reply */ 3415 /* we're only returning the result field in the reply */
3422 job->req->sense_len = sizeof(uint32_t); 3416 job->req->sense_len = sizeof(uint32_t);
@@ -3433,13 +3427,27 @@ fc_bsg_jobdone(struct fc_bsg_job *job)
3433 rsp->resid_len -= min(job->reply->reply_payload_rcv_len, 3427 rsp->resid_len -= min(job->reply->reply_payload_rcv_len,
3434 rsp->resid_len); 3428 rsp->resid_len);
3435 } 3429 }
3430 blk_complete_request(req);
3431}
3436 3432
3437 blk_end_request_all(req, err); 3433/**
3434 * fc_bsg_softirq_done - softirq done routine for destroying the bsg requests
3435 * @req: BSG request that holds the job to be destroyed
3436 */
3437static void fc_bsg_softirq_done(struct request *rq)
3438{
3439 struct fc_bsg_job *job = rq->special;
3440 unsigned long flags;
3438 3441
3442 spin_lock_irqsave(&job->job_lock, flags);
3443 job->state_flags |= FC_RQST_STATE_DONE;
3444 job->ref_cnt--;
3445 spin_unlock_irqrestore(&job->job_lock, flags);
3446
3447 blk_end_request_all(rq, rq->errors);
3439 fc_destroy_bsgjob(job); 3448 fc_destroy_bsgjob(job);
3440} 3449}
3441 3450
3442
3443/** 3451/**
3444 * fc_bsg_job_timeout - handler for when a bsg request timesout 3452 * fc_bsg_job_timeout - handler for when a bsg request timesout
3445 * @req: request that timed out 3453 * @req: request that timed out
@@ -3471,19 +3479,13 @@ fc_bsg_job_timeout(struct request *req)
3471 "abort failed with status %d\n", err); 3479 "abort failed with status %d\n", err);
3472 } 3480 }
3473 3481
3474 if (!done) {
3475 spin_lock_irqsave(&job->job_lock, flags);
3476 job->ref_cnt--;
3477 spin_unlock_irqrestore(&job->job_lock, flags);
3478 fc_destroy_bsgjob(job);
3479 }
3480
3481 /* the blk_end_sync_io() doesn't check the error */ 3482 /* the blk_end_sync_io() doesn't check the error */
3482 return BLK_EH_HANDLED; 3483 if (done)
3484 return BLK_EH_NOT_HANDLED;
3485 else
3486 return BLK_EH_HANDLED;
3483} 3487}
3484 3488
3485
3486
3487static int 3489static int
3488fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req) 3490fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req)
3489{ 3491{
@@ -3859,7 +3861,7 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host)
3859 struct fc_internal *i = to_fc_internal(shost->transportt); 3861 struct fc_internal *i = to_fc_internal(shost->transportt);
3860 struct request_queue *q; 3862 struct request_queue *q;
3861 int err; 3863 int err;
3862 char bsg_name[BUS_ID_SIZE]; /*20*/ 3864 char bsg_name[20];
3863 3865
3864 fc_host->rqst_q = NULL; 3866 fc_host->rqst_q = NULL;
3865 3867
@@ -3879,6 +3881,7 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host)
3879 3881
3880 q->queuedata = shost; 3882 q->queuedata = shost;
3881 queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q); 3883 queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
3884 blk_queue_softirq_done(q, fc_bsg_softirq_done);
3882 blk_queue_rq_timed_out(q, fc_bsg_job_timeout); 3885 blk_queue_rq_timed_out(q, fc_bsg_job_timeout);
3883 blk_queue_rq_timeout(q, FC_DEFAULT_BSG_TIMEOUT); 3886 blk_queue_rq_timeout(q, FC_DEFAULT_BSG_TIMEOUT);
3884 3887
@@ -3924,6 +3927,7 @@ fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport)
3924 3927
3925 q->queuedata = rport; 3928 q->queuedata = rport;
3926 queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q); 3929 queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
3930 blk_queue_softirq_done(q, fc_bsg_softirq_done);
3927 blk_queue_rq_timed_out(q, fc_bsg_job_timeout); 3931 blk_queue_rq_timed_out(q, fc_bsg_job_timeout);
3928 blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT); 3932 blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT);
3929 3933
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index f3e664628d7a..783e33c65eb7 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -692,6 +692,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
692 "Too many iscsi targets. Max " 692 "Too many iscsi targets. Max "
693 "number of targets is %d.\n", 693 "number of targets is %d.\n",
694 ISCSI_MAX_TARGET - 1); 694 ISCSI_MAX_TARGET - 1);
695 err = -EOVERFLOW;
695 goto release_host; 696 goto release_host;
696 } 697 }
697 } 698 }
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index d606452297cf..0895d3c71b03 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -173,9 +173,9 @@ static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost,
173 ret = handler(shost, rphy, req); 173 ret = handler(shost, rphy, req);
174 req->errors = ret; 174 req->errors = ret;
175 175
176 spin_lock_irq(q->queue_lock); 176 blk_end_request_all(req, ret);
177 177
178 req->end_io(req, ret); 178 spin_lock_irq(q->queue_lock);
179 } 179 }
180} 180}
181 181
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 654a34fb04cb..c25bd9a34e02 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -46,6 +46,22 @@
46#define DV_RETRIES 3 /* should only need at most 46#define DV_RETRIES 3 /* should only need at most
47 * two cc/ua clears */ 47 * two cc/ua clears */
48 48
49/* Our blacklist flags */
50enum {
51 SPI_BLIST_NOIUS = 0x1,
52};
53
54/* blacklist table, modelled on scsi_devinfo.c */
55static struct {
56 char *vendor;
57 char *model;
58 unsigned flags;
59} spi_static_device_list[] __initdata = {
60 {"HP", "Ultrium 3-SCSI", SPI_BLIST_NOIUS },
61 {"IBM", "ULTRIUM-TD3", SPI_BLIST_NOIUS },
62 {NULL, NULL, 0}
63};
64
49/* Private data accessors (keep these out of the header file) */ 65/* Private data accessors (keep these out of the header file) */
50#define spi_dv_in_progress(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_in_progress) 66#define spi_dv_in_progress(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_in_progress)
51#define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex) 67#define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex)
@@ -207,6 +223,9 @@ static int spi_device_configure(struct transport_container *tc,
207{ 223{
208 struct scsi_device *sdev = to_scsi_device(dev); 224 struct scsi_device *sdev = to_scsi_device(dev);
209 struct scsi_target *starget = sdev->sdev_target; 225 struct scsi_target *starget = sdev->sdev_target;
226 unsigned bflags = scsi_get_device_flags_keyed(sdev, &sdev->inquiry[8],
227 &sdev->inquiry[16],
228 SCSI_DEVINFO_SPI);
210 229
211 /* Populate the target capability fields with the values 230 /* Populate the target capability fields with the values
212 * gleaned from the device inquiry */ 231 * gleaned from the device inquiry */
@@ -216,6 +235,10 @@ static int spi_device_configure(struct transport_container *tc,
216 spi_support_dt(starget) = scsi_device_dt(sdev); 235 spi_support_dt(starget) = scsi_device_dt(sdev);
217 spi_support_dt_only(starget) = scsi_device_dt_only(sdev); 236 spi_support_dt_only(starget) = scsi_device_dt_only(sdev);
218 spi_support_ius(starget) = scsi_device_ius(sdev); 237 spi_support_ius(starget) = scsi_device_ius(sdev);
238 if (bflags & SPI_BLIST_NOIUS) {
239 dev_info(dev, "Information Units disabled by blacklist\n");
240 spi_support_ius(starget) = 0;
241 }
219 spi_support_qas(starget) = scsi_device_qas(sdev); 242 spi_support_qas(starget) = scsi_device_qas(sdev);
220 243
221 return 0; 244 return 0;
@@ -833,7 +856,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer)
833 return; 856 return;
834 } 857 }
835 858
836 if (!scsi_device_wide(sdev)) { 859 if (!spi_support_wide(starget)) {
837 spi_max_width(starget) = 0; 860 spi_max_width(starget) = 0;
838 max_width = 0; 861 max_width = 0;
839 } 862 }
@@ -860,7 +883,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer)
860 return; 883 return;
861 884
862 /* device can't handle synchronous */ 885 /* device can't handle synchronous */
863 if (!scsi_device_sync(sdev) && !scsi_device_dt(sdev)) 886 if (!spi_support_sync(starget) && !spi_support_dt(starget))
864 return; 887 return;
865 888
866 /* len == -1 is the signal that we need to ascertain the 889 /* len == -1 is the signal that we need to ascertain the
@@ -876,13 +899,14 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer)
876 899
877 /* try QAS requests; this should be harmless to set if the 900 /* try QAS requests; this should be harmless to set if the
878 * target supports it */ 901 * target supports it */
879 if (scsi_device_qas(sdev) && spi_max_qas(starget)) { 902 if (spi_support_qas(starget) && spi_max_qas(starget)) {
880 DV_SET(qas, 1); 903 DV_SET(qas, 1);
881 } else { 904 } else {
882 DV_SET(qas, 0); 905 DV_SET(qas, 0);
883 } 906 }
884 907
885 if (scsi_device_ius(sdev) && spi_max_iu(starget) && min_period < 9) { 908 if (spi_support_ius(starget) && spi_max_iu(starget) &&
909 min_period < 9) {
886 /* This u320 (or u640). Set IU transfers */ 910 /* This u320 (or u640). Set IU transfers */
887 DV_SET(iu, 1); 911 DV_SET(iu, 1);
888 /* Then set the optional parameters */ 912 /* Then set the optional parameters */
@@ -902,7 +926,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer)
902 i->f->get_signalling(shost); 926 i->f->get_signalling(shost);
903 if (spi_signalling(shost) == SPI_SIGNAL_SE || 927 if (spi_signalling(shost) == SPI_SIGNAL_SE ||
904 spi_signalling(shost) == SPI_SIGNAL_HVD || 928 spi_signalling(shost) == SPI_SIGNAL_HVD ||
905 !scsi_device_dt(sdev)) { 929 !spi_support_dt(starget)) {
906 DV_SET(dt, 0); 930 DV_SET(dt, 0);
907 } else { 931 } else {
908 DV_SET(dt, 1); 932 DV_SET(dt, 1);
@@ -1523,7 +1547,21 @@ EXPORT_SYMBOL(spi_release_transport);
1523 1547
1524static __init int spi_transport_init(void) 1548static __init int spi_transport_init(void)
1525{ 1549{
1526 int error = transport_class_register(&spi_transport_class); 1550 int error = scsi_dev_info_add_list(SCSI_DEVINFO_SPI,
1551 "SCSI Parallel Transport Class");
1552 if (!error) {
1553 int i;
1554
1555 for (i = 0; spi_static_device_list[i].vendor; i++)
1556 scsi_dev_info_list_add_keyed(1, /* compatible */
1557 spi_static_device_list[i].vendor,
1558 spi_static_device_list[i].model,
1559 NULL,
1560 spi_static_device_list[i].flags,
1561 SCSI_DEVINFO_SPI);
1562 }
1563
1564 error = transport_class_register(&spi_transport_class);
1527 if (error) 1565 if (error)
1528 return error; 1566 return error;
1529 error = anon_transport_class_register(&spi_device_class); 1567 error = anon_transport_class_register(&spi_device_class);
@@ -1535,6 +1573,7 @@ static void __exit spi_transport_exit(void)
1535 transport_class_unregister(&spi_transport_class); 1573 transport_class_unregister(&spi_transport_class);
1536 anon_transport_class_unregister(&spi_device_class); 1574 anon_transport_class_unregister(&spi_device_class);
1537 transport_class_unregister(&spi_host_class); 1575 transport_class_unregister(&spi_host_class);
1576 scsi_dev_info_remove_list(SCSI_DEVINFO_SPI);
1538} 1577}
1539 1578
1540MODULE_AUTHOR("Martin Hicks"); 1579MODULE_AUTHOR("Martin Hicks");
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 878b17a9af30..5616cd780ff3 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1307,6 +1307,7 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
1307 int sense_valid = 0; 1307 int sense_valid = 0;
1308 int the_result; 1308 int the_result;
1309 int retries = 3; 1309 int retries = 3;
1310 unsigned int alignment;
1310 unsigned long long lba; 1311 unsigned long long lba;
1311 unsigned sector_size; 1312 unsigned sector_size;
1312 1313
@@ -1358,6 +1359,16 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
1358 return -EOVERFLOW; 1359 return -EOVERFLOW;
1359 } 1360 }
1360 1361
1362 /* Logical blocks per physical block exponent */
1363 sdkp->hw_sector_size = (1 << (buffer[13] & 0xf)) * sector_size;
1364
1365 /* Lowest aligned logical block */
1366 alignment = ((buffer[14] & 0x3f) << 8 | buffer[15]) * sector_size;
1367 blk_queue_alignment_offset(sdp->request_queue, alignment);
1368 if (alignment && sdkp->first_scan)
1369 sd_printk(KERN_NOTICE, sdkp,
1370 "physical block alignment offset: %u\n", alignment);
1371
1361 sdkp->capacity = lba + 1; 1372 sdkp->capacity = lba + 1;
1362 return sector_size; 1373 return sector_size;
1363} 1374}
@@ -1409,6 +1420,7 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
1409 } 1420 }
1410 1421
1411 sdkp->capacity = lba + 1; 1422 sdkp->capacity = lba + 1;
1423 sdkp->hw_sector_size = sector_size;
1412 return sector_size; 1424 return sector_size;
1413} 1425}
1414 1426
@@ -1521,11 +1533,17 @@ got_data:
1521 string_get_size(sz, STRING_UNITS_10, cap_str_10, 1533 string_get_size(sz, STRING_UNITS_10, cap_str_10,
1522 sizeof(cap_str_10)); 1534 sizeof(cap_str_10));
1523 1535
1524 if (sdkp->first_scan || old_capacity != sdkp->capacity) 1536 if (sdkp->first_scan || old_capacity != sdkp->capacity) {
1525 sd_printk(KERN_NOTICE, sdkp, 1537 sd_printk(KERN_NOTICE, sdkp,
1526 "%llu %d-byte hardware sectors: (%s/%s)\n", 1538 "%llu %d-byte logical blocks: (%s/%s)\n",
1527 (unsigned long long)sdkp->capacity, 1539 (unsigned long long)sdkp->capacity,
1528 sector_size, cap_str_10, cap_str_2); 1540 sector_size, cap_str_10, cap_str_2);
1541
1542 if (sdkp->hw_sector_size != sector_size)
1543 sd_printk(KERN_NOTICE, sdkp,
1544 "%u-byte physical blocks\n",
1545 sdkp->hw_sector_size);
1546 }
1529 } 1547 }
1530 1548
1531 /* Rescale capacity to 512-byte units */ 1549 /* Rescale capacity to 512-byte units */
@@ -1538,6 +1556,7 @@ got_data:
1538 else if (sector_size == 256) 1556 else if (sector_size == 256)
1539 sdkp->capacity >>= 1; 1557 sdkp->capacity >>= 1;
1540 1558
1559 blk_queue_physical_block_size(sdp->request_queue, sdkp->hw_sector_size);
1541 sdkp->device->sector_size = sector_size; 1560 sdkp->device->sector_size = sector_size;
1542} 1561}
1543 1562
@@ -1776,6 +1795,52 @@ void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
1776} 1795}
1777 1796
1778/** 1797/**
1798 * sd_read_block_limits - Query disk device for preferred I/O sizes.
1799 * @disk: disk to query
1800 */
1801static void sd_read_block_limits(struct scsi_disk *sdkp)
1802{
1803 unsigned int sector_sz = sdkp->device->sector_size;
1804 char *buffer;
1805
1806 /* Block Limits VPD */
1807 buffer = scsi_get_vpd_page(sdkp->device, 0xb0);
1808
1809 if (buffer == NULL)
1810 return;
1811
1812 blk_queue_io_min(sdkp->disk->queue,
1813 get_unaligned_be16(&buffer[6]) * sector_sz);
1814 blk_queue_io_opt(sdkp->disk->queue,
1815 get_unaligned_be32(&buffer[12]) * sector_sz);
1816
1817 kfree(buffer);
1818}
1819
1820/**
1821 * sd_read_block_characteristics - Query block dev. characteristics
1822 * @disk: disk to query
1823 */
1824static void sd_read_block_characteristics(struct scsi_disk *sdkp)
1825{
1826 char *buffer;
1827 u16 rot;
1828
1829 /* Block Device Characteristics VPD */
1830 buffer = scsi_get_vpd_page(sdkp->device, 0xb1);
1831
1832 if (buffer == NULL)
1833 return;
1834
1835 rot = get_unaligned_be16(&buffer[4]);
1836
1837 if (rot == 1)
1838 queue_flag_set_unlocked(QUEUE_FLAG_NONROT, sdkp->disk->queue);
1839
1840 kfree(buffer);
1841}
1842
1843/**
1779 * sd_revalidate_disk - called the first time a new disk is seen, 1844 * sd_revalidate_disk - called the first time a new disk is seen,
1780 * performs disk spin up, read_capacity, etc. 1845 * performs disk spin up, read_capacity, etc.
1781 * @disk: struct gendisk we care about 1846 * @disk: struct gendisk we care about
@@ -1812,6 +1877,8 @@ static int sd_revalidate_disk(struct gendisk *disk)
1812 */ 1877 */
1813 if (sdkp->media_present) { 1878 if (sdkp->media_present) {
1814 sd_read_capacity(sdkp, buffer); 1879 sd_read_capacity(sdkp, buffer);
1880 sd_read_block_limits(sdkp);
1881 sd_read_block_characteristics(sdkp);
1815 sd_read_write_protect_flag(sdkp, buffer); 1882 sd_read_write_protect_flag(sdkp, buffer);
1816 sd_read_cache_type(sdkp, buffer); 1883 sd_read_cache_type(sdkp, buffer);
1817 sd_read_app_tag_own(sdkp, buffer); 1884 sd_read_app_tag_own(sdkp, buffer);
@@ -1934,6 +2001,8 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
1934 add_disk(gd); 2001 add_disk(gd);
1935 sd_dif_config_host(sdkp); 2002 sd_dif_config_host(sdkp);
1936 2003
2004 sd_revalidate_disk(gd);
2005
1937 sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n", 2006 sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n",
1938 sdp->removable ? "removable " : ""); 2007 sdp->removable ? "removable " : "");
1939} 2008}
@@ -2054,6 +2123,7 @@ static int sd_remove(struct device *dev)
2054 2123
2055 async_synchronize_full(); 2124 async_synchronize_full();
2056 sdkp = dev_get_drvdata(dev); 2125 sdkp = dev_get_drvdata(dev);
2126 blk_queue_prep_rq(sdkp->device->request_queue, scsi_prep_fn);
2057 device_del(&sdkp->dev); 2127 device_del(&sdkp->dev);
2058 del_gendisk(sdkp->disk); 2128 del_gendisk(sdkp->disk);
2059 sd_shutdown(dev); 2129 sd_shutdown(dev);
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 708778cf5f06..8474b5bad3fe 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -45,6 +45,7 @@ struct scsi_disk {
45 unsigned int openers; /* protected by BKL for now, yuck */ 45 unsigned int openers; /* protected by BKL for now, yuck */
46 sector_t capacity; /* size in 512-byte sectors */ 46 sector_t capacity; /* size in 512-byte sectors */
47 u32 index; 47 u32 index;
48 unsigned short hw_sector_size;
48 u8 media_present; 49 u8 media_present;
49 u8 write_prot; 50 u8 write_prot;
50 u8 protection_type;/* Data Integrity Field */ 51 u8 protection_type;/* Data Integrity Field */
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index cd350dfc1216..cce0fe4c8a3b 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -881,6 +881,7 @@ static int sr_remove(struct device *dev)
881{ 881{
882 struct scsi_cd *cd = dev_get_drvdata(dev); 882 struct scsi_cd *cd = dev_get_drvdata(dev);
883 883
884 blk_queue_prep_rq(cd->device->request_queue, scsi_prep_fn);
884 del_gendisk(cd->disk); 885 del_gendisk(cd->disk);
885 886
886 mutex_lock(&sr_ref_mutex); 887 mutex_lock(&sr_ref_mutex);
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index 69ad4945c936..297deb817a5d 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -2321,8 +2321,9 @@ static void sym_int_par (struct sym_hcb *np, u_short sist)
2321 int phase = cmd & 7; 2321 int phase = cmd & 7;
2322 struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa); 2322 struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa);
2323 2323
2324 printf("%s: SCSI parity error detected: SCR1=%d DBC=%x SBCL=%x\n", 2324 if (printk_ratelimit())
2325 sym_name(np), hsts, dbc, sbcl); 2325 printf("%s: SCSI parity error detected: SCR1=%d DBC=%x SBCL=%x\n",
2326 sym_name(np), hsts, dbc, sbcl);
2326 2327
2327 /* 2328 /*
2328 * Check that the chip is connected to the SCSI BUS. 2329 * Check that the chip is connected to the SCSI BUS.
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index 6300f556bce5..a0ff61c3e935 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -107,7 +107,6 @@ static inline int fc_ct_fill(struct fc_lport *lport, struct fc_frame *fp,
107 break; 107 break;
108 108
109 default: 109 default:
110 FC_DBG("Invalid op code %x \n", op);
111 return -EINVAL; 110 return -EINVAL;
112 } 111 }
113 *r_ctl = FC_RCTL_DD_UNSOL_CTL; 112 *r_ctl = FC_RCTL_DD_UNSOL_CTL;
@@ -298,7 +297,6 @@ static inline int fc_els_fill(struct fc_lport *lport, struct fc_rport *rport,
298 break; 297 break;
299 298
300 default: 299 default:
301 FC_DBG("Invalid op code %x \n", op);
302 return -EINVAL; 300 return -EINVAL;
303 } 301 }
304 302
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index ebdd9f4cf070..b92584a8843a 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -34,17 +34,72 @@
34 34
35#include <scsi/fc_frame.h> 35#include <scsi/fc_frame.h>
36 36
37#define LIBFC_DEBUG 37#define FC_LIBFC_LOGGING 0x01 /* General logging, not categorized */
38 38#define FC_LPORT_LOGGING 0x02 /* lport layer logging */
39#ifdef LIBFC_DEBUG 39#define FC_DISC_LOGGING 0x04 /* discovery layer logging */
40/* Log messages */ 40#define FC_RPORT_LOGGING 0x08 /* rport layer logging */
41#define FC_DBG(fmt, args...) \ 41#define FC_FCP_LOGGING 0x10 /* I/O path logging */
42 do { \ 42#define FC_EM_LOGGING 0x20 /* Exchange Manager logging */
43 printk(KERN_INFO "%s " fmt, __func__, ##args); \ 43#define FC_EXCH_LOGGING 0x40 /* Exchange/Sequence logging */
44 } while (0) 44#define FC_SCSI_LOGGING 0x80 /* SCSI logging (mostly error handling) */
45#else 45
46#define FC_DBG(fmt, args...) 46extern unsigned int fc_debug_logging;
47#endif 47
48#define FC_CHECK_LOGGING(LEVEL, CMD) \
49do { \
50 if (unlikely(fc_debug_logging & LEVEL)) \
51 do { \
52 CMD; \
53 } while (0); \
54} while (0);
55
56#define FC_LIBFC_DBG(fmt, args...) \
57 FC_CHECK_LOGGING(FC_LIBFC_LOGGING, \
58 printk(KERN_INFO "libfc: " fmt, ##args);)
59
60#define FC_LPORT_DBG(lport, fmt, args...) \
61 FC_CHECK_LOGGING(FC_LPORT_LOGGING, \
62 printk(KERN_INFO "lport: %6x: " fmt, \
63 fc_host_port_id(lport->host), ##args);)
64
65#define FC_DISC_DBG(disc, fmt, args...) \
66 FC_CHECK_LOGGING(FC_DISC_LOGGING, \
67 printk(KERN_INFO "disc: %6x: " fmt, \
68 fc_host_port_id(disc->lport->host), \
69 ##args);)
70
71#define FC_RPORT_DBG(rport, fmt, args...) \
72do { \
73 struct fc_rport_libfc_priv *rdata = rport->dd_data; \
74 struct fc_lport *lport = rdata->local_port; \
75 FC_CHECK_LOGGING(FC_RPORT_LOGGING, \
76 printk(KERN_INFO "rport: %6x: %6x: " fmt, \
77 fc_host_port_id(lport->host), \
78 rport->port_id, ##args);) \
79} while (0);
80
81#define FC_FCP_DBG(pkt, fmt, args...) \
82 FC_CHECK_LOGGING(FC_FCP_LOGGING, \
83 printk(KERN_INFO "fcp: %6x: %6x: " fmt, \
84 fc_host_port_id(pkt->lp->host), \
85 pkt->rport->port_id, ##args);)
86
87#define FC_EM_DBG(em, fmt, args...) \
88 FC_CHECK_LOGGING(FC_EM_LOGGING, \
89 printk(KERN_INFO "em: %6x: " fmt, \
90 fc_host_port_id(em->lp->host), \
91 ##args);)
92
93#define FC_EXCH_DBG(exch, fmt, args...) \
94 FC_CHECK_LOGGING(FC_EXCH_LOGGING, \
95 printk(KERN_INFO "exch: %6x: %4x: " fmt, \
96 fc_host_port_id(exch->lp->host), \
97 exch->xid, ##args);)
98
99#define FC_SCSI_DBG(lport, fmt, args...) \
100 FC_CHECK_LOGGING(FC_SCSI_LOGGING, \
101 printk(KERN_INFO "scsi: %6x: " fmt, \
102 fc_host_port_id(lport->host), ##args);)
48 103
49/* 104/*
50 * libfc error codes 105 * libfc error codes
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 196525cd402f..61afeb59a836 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -125,6 +125,10 @@ struct iscsi_task {
125 struct scsi_cmnd *sc; /* associated SCSI cmd*/ 125 struct scsi_cmnd *sc; /* associated SCSI cmd*/
126 struct iscsi_conn *conn; /* used connection */ 126 struct iscsi_conn *conn; /* used connection */
127 127
128 /* data processing tracking */
129 unsigned long last_xfer;
130 unsigned long last_timeout;
131 bool have_checked_conn;
128 /* state set/tested under session->lock */ 132 /* state set/tested under session->lock */
129 int state; 133 int state;
130 atomic_t refcount; 134 atomic_t refcount;
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index 1f5ca7f62116..9fd6702f02e2 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -32,5 +32,6 @@ int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req);
32int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req); 32int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req);
33int scsi_prep_state_check(struct scsi_device *sdev, struct request *req); 33int scsi_prep_state_check(struct scsi_device *sdev, struct request *req);
34int scsi_prep_return(struct request_queue *q, struct request *req, int ret); 34int scsi_prep_return(struct request_queue *q, struct request *req, int ret);
35int scsi_prep_fn(struct request_queue *, struct request *);
35 36
36#endif /* _SCSI_SCSI_DRIVER_H */ 37#endif /* _SCSI_SCSI_DRIVER_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-22 13:26:47 -0500