From: Mike Christie <mchristi@redhat.com> Date: Wed, 20 Jan 2010 04:22:16 -0500 Subject: [scsi] bnx2i: additional fixes for rhel5.5 update Message-id: <1263961336-12311-2-git-send-email-mchristi@redhat.com> Patchwork-id: 22667 O-Subject: [RHEL 5.5 PATCH 2/2] Update bnx2i. Bugzilla: 517378 RH-Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> From: Mike Christie <mchristi@redhat.com> This is also for 517378. cnic and bnx2i work together to provide offload services. This patch brings in the following upstream commits: Author: Anil Veerabhadrappa <anilgv@broadcom.com> Date: Mon Dec 7 11:40:39 2009 -0800 [SCSI] bnx2i: minor code cleanup and update driver version commit 85fef20222bda1ee41f97ff94a927180ef0b97e6 Author: Anil Veerabhadrappa <anilgv@broadcom.com> Date: Mon Dec 7 11:40:29 2009 -0800 [SCSI] bnx2i: Task management ABORT TASK fixes commit 8776193bc308553ac0011b3bb2dd1837e0c6ab28 Author: Anil Veerabhadrappa <anilgv@broadcom.com> Date: Mon Dec 7 11:40:18 2009 -0800 [SCSI] bnx2i: update CQ arming algorith for 5771x chipsets commit f8c9abe797c54e798b4025b54d71e5d2054c929a Author: Anil Veerabhadrappa <anilgv@broadcom.com> Date: Mon Dec 7 11:39:54 2009 -0800 [SCSI] bnx2i: Adjust sq_size module parametr to power of 2 only if a non-zero value is specified commit 5d9e1fa99c2a9a5977f5757f4e0fd02697c995c2 Author: Anil Veerabhadrappa <anilgv@broadcom.com> Date: Mon Dec 7 11:39:33 2009 -0800 [SCSI] bnx2i: Add 5771E device support to bnx2i driver Broadcom and I, tested this patch along with the cnic patch (See testing notes on previous mail for details). diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 91f694b..7a39a7f 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -686,6 +686,7 @@ extern unsigned int error_mask1, error_mask2; extern u64 iscsi_error_mask; extern unsigned int en_tcp_dack; extern unsigned int event_coal_div; +extern unsigned int event_coal_min; extern struct scsi_transport_template *bnx2i_scsi_xport_template; extern struct iscsi_transport bnx2i_iscsi_transport; diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 2d3ddd6..07eed7a 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -133,20 +133,38 @@ void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action) { struct bnx2i_5771x_cq_db *cq_db; u16 cq_index; + u16 next_index; + u32 num_active_cmds; + + /* Coalesce CQ entries only on 10G devices */ if (!test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) return; + /* Do not update CQ DB multiple times before firmware writes + * '0xFFFF' to CQDB->SQN field. Deviation may cause spurious + * interrupts and other unwanted results + */ + cq_db = (struct bnx2i_5771x_cq_db *) ep->qp.cq_pgtbl_virt; + if (cq_db->sqn[0] && cq_db->sqn[0] != 0xFFFF) + return; + if (action == CNIC_ARM_CQE) { - cq_index = ep->qp.cqe_exp_seq_sn + - ep->num_active_cmds / event_coal_div; - cq_index %= (ep->qp.cqe_size * 2 + 1); - if (!cq_index) { + num_active_cmds = ep->num_active_cmds; + if (num_active_cmds <= event_coal_min) + next_index = 1; + else + next_index = event_coal_min + + (num_active_cmds - event_coal_min) / event_coal_div; + if (!next_index) + next_index = 1; + cq_index = ep->qp.cqe_exp_seq_sn + next_index - 1; + if (cq_index > ep->qp.cqe_size * 2) + cq_index -= ep->qp.cqe_size * 2; + if (!cq_index) cq_index = 1; - cq_db = (struct bnx2i_5771x_cq_db *) - ep->qp.cq_pgtbl_virt; - cq_db->sqn[0] = cq_index; - } + + cq_db->sqn[0] = cq_index; } } @@ -366,6 +384,7 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, struct bnx2i_cmd *bnx2i_cmd; struct bnx2i_tmf_request *tmfabort_wqe; u32 dword; + u32 scsi_lun[2]; bnx2i_cmd = (struct bnx2i_cmd *)mtask->dd_data; tmfabort_hdr = (struct iscsi_tm *)mtask->hdr; @@ -376,27 +395,35 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, tmfabort_wqe->op_attr = 0; tmfabort_wqe->op_attr = ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK; - tmfabort_wqe->lun[0] = be32_to_cpu(tmfabort_hdr->lun[0]); - tmfabort_wqe->lun[1] = be32_to_cpu(tmfabort_hdr->lun[1]); tmfabort_wqe->itt = (mtask->itt | (ISCSI_TASK_TYPE_MPATH << 14)); tmfabort_wqe->reserved2 = 0; tmfabort_wqe->cmd_sn = be32_to_cpu(tmfabort_hdr->cmdsn); ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt); - if (!ctask || ctask->sc) + if (!ctask || !ctask->sc) /* * the iscsi layer must have completed the cmd while this * was starting up. + * + * Note: In the case of a SCSI cmd timeout, the task's sc + * is still active; hence ctask->sc != 0 + * In this case, the task must be aborted */ return 0; + ref_sc = ctask->sc; + /* Retrieve LUN directly from the ref_sc */ + int_to_scsilun(ref_sc->device->lun, (struct scsi_lun *) scsi_lun); + tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]); + tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]); + if (ref_sc->sc_data_direction == DMA_TO_DEVICE) dword = (ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT); else dword = (ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT); - tmfabort_wqe->ref_itt = (dword | tmfabort_hdr->rtt); + tmfabort_wqe->ref_itt = (dword | (tmfabort_hdr->rtt & ISCSI_ITT_MASK)); tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn); tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma; diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index a35e9fe..2397e2f 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -18,8 +18,8 @@ static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list); static u32 adapter_count; #define DRV_MODULE_NAME "bnx2i" -#define DRV_MODULE_VERSION "2.0.1e" -#define DRV_MODULE_RELDATE "June 22, 2009" +#define DRV_MODULE_VERSION "2.1.0" +#define DRV_MODULE_RELDATE "Dec 06, 2009" static char version[] __devinitdata = "Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \ @@ -33,6 +33,10 @@ MODULE_VERSION(DRV_MODULE_VERSION); static DEFINE_MUTEX(bnx2i_dev_lock); +unsigned int event_coal_min = 24; +module_param(event_coal_min, int, 0664); +MODULE_PARM_DESC(event_coal_min, "Event Coalescing Minimum Commands"); + unsigned int event_coal_div = 1; module_param(event_coal_div, int, 0664); MODULE_PARM_DESC(event_coal_div, "Event Coalescing Divide Factor"); @@ -84,8 +88,12 @@ void bnx2i_identify_device(struct bnx2i_hba *hba) set_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type); hba->mail_queue_access = BNX2I_MQ_BIN_MODE; } else if (hba->pci_did == PCI_DEVICE_ID_NX2_57710 || - hba->pci_did == PCI_DEVICE_ID_NX2_57711) + hba->pci_did == PCI_DEVICE_ID_NX2_57711 || + hba->pci_did == PCI_DEVICE_ID_NX2_57711E) set_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type); + else + printk(KERN_ALERT "bnx2i: unknown device, 0x%x\n", + hba->pci_did); } @@ -364,7 +372,7 @@ static int __init bnx2i_mod_init(void) printk(KERN_INFO "%s", version); - if (!is_power_of_2(sq_size)) + if (sq_size && !is_power_of_2(sq_size)) sq_size = roundup_pow_of_two(sq_size); mutex_init(&bnx2i_dev_lock); diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 57a6e49..86a8093 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -485,7 +485,6 @@ static int bnx2i_setup_cmd_pool(struct bnx2i_hba *hba, struct iscsi_task *task = session->cmds[i]; struct bnx2i_cmd *cmd = task->dd_data; - /* Anil */ task->hdr = &cmd->hdr; task->hdr_max = sizeof(struct iscsi_hdr); @@ -765,7 +764,6 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) hba->pci_svid = hba->pcidev->subsystem_vendor; hba->pci_func = PCI_FUNC(hba->pcidev->devfn); hba->pci_devno = PCI_SLOT(hba->pcidev->devfn); - bnx2i_identify_device(hba); bnx2i_identify_device(hba); bnx2i_setup_host_queue_size(hba, shost);