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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 19:52:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 19:52:57 -0700 |
| commit | 426048313dfa7d65dbd2379b1665755511f9544f (patch) | |
| tree | dc727b9e41eb3d9dfe8e68f14b027c776d8aba98 /drivers/scsi/bfa/bfa_ioc_ct.c | |
| parent | 2a56d2220284b0e4dd8569fa475d7053f1c40a63 (diff) | |
| parent | 7ad20aa9d39a525542b0840ac38bfc77be831e19 (diff) | |
| download | linux-426048313dfa7d65dbd2379b1665755511f9544f.tar.bz2 | |
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: (60 commits)
[SCSI] lpfc 8.3.24: Extend BSG infrastructure and add link diagnostics
[SCSI] lpfc 8.3.24: Add resource extent support
[SCSI] lpfc 8.3.24: Add request-firmware support
[SCSI] lpfc 8.3.24: Add SR-IOV control
[SCSI] lpfc 8.3.24: Extended hardware support and support dump images
[SCSI] lpfc 8.3.24: Miscellaneous Fixes and Corrections
[SCSI] libsas: Add option for SATA soft reset
[SCSI] libsas: check dev->gone before submitting sata i/o
[SCSI] libsas: fix/amend device gone notification in sas_deform_port()
[SCSI] MAINTAINERS update for SCSI (new email address)
[SCSI] Fix Ultrastor asm snippet
[SCSI] osst: fix warning
[SCSI] osst: wrong index used in inner loop
[SCSI] aic94xx: world-writable sysfs update_bios file
[SCSI] MAINTAINERS: Add drivers/target/ entry
[SCSI] target: Convert TASK_ATTR to scsi_tcq.h definitions
[SCSI] target: Convert REPORT_LUNs to use int_to_scsilun
[SCSI] target: Fix task->task_execute_queue=1 clear bug + LUN_RESET OOPs
[SCSI] target: Fix bug with task_sg chained transport_free_dev_tasks release
[SCSI] target: Fix interrupt context bug with stats_lock and core_tmr_alloc_req
...
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioc_ct.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c index 008d129ddfcd..93612520f0d2 100644 --- a/drivers/scsi/bfa/bfa_ioc_ct.c +++ b/drivers/scsi/bfa/bfa_ioc_ct.c @@ -41,6 +41,7 @@ static void bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix); static void bfa_ioc_ct_notify_fail(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc); +static bfa_boolean_t bfa_ioc_ct_sync_start(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_sync_join(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_sync_leave(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_sync_ack(struct bfa_ioc_s *ioc); @@ -62,6 +63,7 @@ bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc) hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set; hwif_ct.ioc_notify_fail = bfa_ioc_ct_notify_fail; hwif_ct.ioc_ownership_reset = bfa_ioc_ct_ownership_reset; + hwif_ct.ioc_sync_start = bfa_ioc_ct_sync_start; hwif_ct.ioc_sync_join = bfa_ioc_ct_sync_join; hwif_ct.ioc_sync_leave = bfa_ioc_ct_sync_leave; hwif_ct.ioc_sync_ack = bfa_ioc_ct_sync_ack; @@ -351,6 +353,30 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc) writel(1, ioc->ioc_regs.ioc_sem_reg); } +static bfa_boolean_t +bfa_ioc_ct_sync_start(struct bfa_ioc_s *ioc) +{ + uint32_t r32 = readl(ioc->ioc_regs.ioc_fail_sync); + uint32_t sync_reqd = bfa_ioc_ct_get_sync_reqd(r32); + + /* + * Driver load time. If the sync required bit for this PCI fn + * is set, it is due to an unclean exit by the driver for this + * PCI fn in the previous incarnation. Whoever comes here first + * should clean it up, no matter which PCI fn. + */ + + if (sync_reqd & bfa_ioc_ct_sync_pos(ioc)) { + writel(0, ioc->ioc_regs.ioc_fail_sync); + writel(1, ioc->ioc_regs.ioc_usage_reg); + writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); + writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate); + return BFA_TRUE; + } + + return bfa_ioc_ct_sync_complete(ioc); +} + /* * Synchronized IOC failure processing routines */ |