diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 96 |
1 files changed, 44 insertions, 52 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 35a1386..d95d2f2 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -94,7 +94,7 @@ _base_fault_reset_work(struct work_struct *work) int rc; spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->ioc_reset_in_progress) + if (ioc->shost_recovery) goto rearm_timer; spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); @@ -687,6 +687,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) ioc->mask_interrupts = 0; } +union reply_descriptor { + u64 word; + struct { + u32 low; + u32 high; + } u; +}; + /** * _base_interrupt - MPT adapter (IOC) specific interrupt handler. * @irq: irq number (not used) @@ -698,47 +706,38 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) static irqreturn_t _base_interrupt(int irq, void *bus_id) { - union reply_descriptor { - u64 word; - struct { - u32 low; - u32 high; - } u; - }; union reply_descriptor rd; - u32 post_index, post_index_next, completed_cmds; + u32 completed_cmds; u8 request_desript_type; u16 smid; u8 cb_idx; u32 reply; u8 VF_ID; - int i; struct MPT2SAS_ADAPTER *ioc = bus_id; + Mpi2ReplyDescriptorsUnion_t *rpf; if (ioc->mask_interrupts) return IRQ_NONE; - post_index = ioc->reply_post_host_index; - request_desript_type = ioc->reply_post_free[post_index]. - Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; + rpf = &ioc->reply_post_free[ioc->reply_post_host_index]; + request_desript_type = rpf->Default.ReplyFlags + & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) return IRQ_NONE; completed_cmds = 0; do { - rd.word = ioc->reply_post_free[post_index].Words; + rd.word = rpf->Words; if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) goto out; reply = 0; cb_idx = 0xFF; - smid = le16_to_cpu(ioc->reply_post_free[post_index]. - Default.DescriptorTypeDependent1); - VF_ID = ioc->reply_post_free[post_index]. - Default.VF_ID; + smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); + VF_ID = rpf->Default.VF_ID; if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { - reply = le32_to_cpu(ioc->reply_post_free[post_index]. - AddressReply.ReplyFrameAddress); + reply = le32_to_cpu + (rpf->AddressReply.ReplyFrameAddress); } else if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) goto next; @@ -765,21 +764,27 @@ _base_interrupt(int irq, void *bus_id) 0 : ioc->reply_free_host_index + 1; ioc->reply_free[ioc->reply_free_host_index] = cpu_to_le32(reply); + wmb(); writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); - wmb(); } next: - post_index_next = (post_index == (ioc->reply_post_queue_depth - - 1)) ? 0 : post_index + 1; + + rpf->Words = ULLONG_MAX; + ioc->reply_post_host_index = (ioc->reply_post_host_index == + (ioc->reply_post_queue_depth - 1)) ? 0 : + ioc->reply_post_host_index + 1; request_desript_type = - ioc->reply_post_free[post_index_next].Default.ReplyFlags - & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; + ioc->reply_post_free[ioc->reply_post_host_index].Default. + ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; completed_cmds++; if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) goto out; - post_index = post_index_next; + if (!ioc->reply_post_host_index) + rpf = ioc->reply_post_free; + else + rpf++; } while (1); out: @@ -787,19 +792,8 @@ _base_interrupt(int irq, void *bus_id) if (!completed_cmds) return IRQ_NONE; - /* reply post descriptor handling */ - post_index_next = ioc->reply_post_host_index; - for (i = 0 ; i < completed_cmds; i++) { - post_index = post_index_next; - /* poison the reply post descriptor */ - ioc->reply_post_free[post_index_next].Words = ULLONG_MAX; - post_index_next = (post_index == - (ioc->reply_post_queue_depth - 1)) - ? 0 : post_index + 1; - } - ioc->reply_post_host_index = post_index_next; - writel(post_index_next, &ioc->chip->ReplyPostHostIndex); wmb(); + writel(ioc->reply_post_host_index, &ioc->chip->ReplyPostHostIndex); return IRQ_HANDLED; } @@ -1542,6 +1536,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) (ioc->bios_pg3.BiosVersion & 0x0000FF00) >> 8, ioc->bios_pg3.BiosVersion & 0x000000FF); + _base_display_dell_branding(ioc); + printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { @@ -1554,8 +1550,6 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) i++; } - _base_display_dell_branding(ioc); - i = 0; printk("), "); printk("Capabilities=("); @@ -1627,6 +1621,9 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) u32 iounit_pg1_flags; mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); + if (ioc->ir_firmware) + mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, + &ioc->manu_pg10); mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); @@ -1647,7 +1644,7 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) iounit_pg1_flags |= MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); - mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, ioc->iounit_pg1); + mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); } /** @@ -3303,13 +3300,11 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); ioc->tm_cmds.status = MPT2_CMD_NOT_USED; mutex_init(&ioc->tm_cmds.mutex); - init_completion(&ioc->tm_cmds.done); /* config page internal command bits */ ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); ioc->config_cmds.status = MPT2_CMD_NOT_USED; mutex_init(&ioc->config_cmds.mutex); - init_completion(&ioc->config_cmds.done); /* ctl module internal command bits */ ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); @@ -3433,6 +3428,7 @@ _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) if (ioc->config_cmds.status & MPT2_CMD_PENDING) { ioc->config_cmds.status |= MPT2_CMD_RESET; mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); + ioc->config_cmds.smid = USHORT_MAX; complete(&ioc->config_cmds.done); } break; @@ -3501,20 +3497,13 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, __func__)); spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->ioc_reset_in_progress) { + if (ioc->shost_recovery) { spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); printk(MPT2SAS_ERR_FMT "%s: busy\n", ioc->name, __func__); return -EBUSY; } - ioc->ioc_reset_in_progress = 1; ioc->shost_recovery = 1; - if (ioc->shost->shost_state == SHOST_RUNNING) { - /* set back to SHOST_RUNNING in mpt2sas_scsih.c */ - scsi_host_set_state(ioc->shost, SHOST_RECOVERY); - printk(MPT2SAS_INFO_FMT "putting controller into " - "SHOST_RECOVERY\n", ioc->name); - } spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); @@ -3534,7 +3523,10 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - ioc->ioc_reset_in_progress = 0; + ioc->shost_recovery = 0; spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); + + if (!r) + _base_reset_handler(ioc, MPT2_IOC_RUNNING); return r; } |