diff options
Diffstat (limited to 'drivers/net/ehea')
| -rw-r--r-- | drivers/net/ehea/ehea.h | 3 | ||||
| -rw-r--r-- | drivers/net/ehea/ehea_main.c | 95 | ||||
| -rw-r--r-- | drivers/net/ehea/ehea_phyp.c | 6 | ||||
| -rw-r--r-- | drivers/net/ehea/ehea_phyp.h | 6 | ||||
| -rw-r--r-- | drivers/net/ehea/ehea_qmr.c | 184 | ||||
| -rw-r--r-- | drivers/net/ehea/ehea_qmr.h | 7 |
6 files changed, 187 insertions, 114 deletions
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 1fefb2dddc1..f8899339baa 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -39,7 +39,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0053" +#define DRV_VERSION "EHEA_0054" #define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) @@ -309,6 +309,7 @@ struct ehea_cq { * Memory Region */ struct ehea_mr { + struct ehea_adapter *adapter; u64 handle; u64 vaddr; u32 lkey; diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index db0d79ebae8..8bceb4e6bb8 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -546,19 +546,19 @@ static int ehea_poll(struct net_device *dev, int *budget) cqe = ehea_poll_rq1(pr->qp, &wqe_index); cqe_skb = ehea_poll_cq(pr->send_cq); - if (!cqe && !cqe_skb) + if (!cqe && !cqe_skb) return 0; - if (!netif_rx_reschedule(dev, dev->quota)) + if (!netif_rx_reschedule(dev, dev->quota)) return 0; } - + cqe = ehea_proc_rwqes(dev, pr, budget); cqe_skb = ehea_proc_cqes(pr, 300); if (cqe || cqe_skb) pr->poll_counter++; - + return 1; } @@ -1011,7 +1011,7 @@ static int ehea_configure_port(struct ehea_port *port) else cb0->default_qpn_arr[i] = port->port_res[0].qp->init_attr.qp_nr; - + if (netif_msg_ifup(port)) ehea_dump(cb0, sizeof(*cb0), "ehea_configure_port"); @@ -1033,52 +1033,35 @@ out: return ret; } -static int ehea_gen_smrs(struct ehea_port_res *pr) +int ehea_gen_smrs(struct ehea_port_res *pr) { - u64 hret; + int ret; struct ehea_adapter *adapter = pr->port->adapter; - hret = ehea_h_register_smr(adapter->handle, adapter->mr.handle, - adapter->mr.vaddr, EHEA_MR_ACC_CTRL, - adapter->pd, &pr->send_mr); - if (hret != H_SUCCESS) + ret = ehea_gen_smr(adapter, &adapter->mr, &pr->send_mr); + if (ret) goto out; - hret = ehea_h_register_smr(adapter->handle, adapter->mr.handle, - adapter->mr.vaddr, EHEA_MR_ACC_CTRL, - adapter->pd, &pr->recv_mr); - if (hret != H_SUCCESS) - goto out_freeres; + ret = ehea_gen_smr(adapter, &adapter->mr, &pr->recv_mr); + if (ret) + goto out_free; return 0; -out_freeres: - hret = ehea_h_free_resource(adapter->handle, pr->send_mr.handle); - if (hret != H_SUCCESS) - ehea_error("failed freeing SMR"); +out_free: + ehea_rem_mr(&pr->send_mr); out: + ehea_error("Generating SMRS failed\n"); return -EIO; } -static int ehea_rem_smrs(struct ehea_port_res *pr) +int ehea_rem_smrs(struct ehea_port_res *pr) { - struct ehea_adapter *adapter = pr->port->adapter; - int ret = 0; - u64 hret; - - hret = ehea_h_free_resource(adapter->handle, pr->send_mr.handle); - if (hret != H_SUCCESS) { - ret = -EIO; - ehea_error("failed freeing send SMR for pr=%p", pr); - } - - hret = ehea_h_free_resource(adapter->handle, pr->recv_mr.handle); - if (hret != H_SUCCESS) { - ret = -EIO; - ehea_error("failed freeing recv SMR for pr=%p", pr); - } - - return ret; + if ((ehea_rem_mr(&pr->send_mr)) + || (ehea_rem_mr(&pr->recv_mr))) + return -EIO; + else + return 0; } static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) @@ -2243,7 +2226,7 @@ static int ehea_down(struct net_device *dev) ehea_free_interrupts(dev); for (i = 0; i < port->num_def_qps; i++) - while (test_bit(__LINK_STATE_RX_SCHED, + while (test_bit(__LINK_STATE_RX_SCHED, &port->port_res[i].d_netdev->state)) msleep(1); @@ -2418,7 +2401,7 @@ static struct device *ehea_register_port(struct ehea_port *port, ehea_error("failed to register attributes, ret=%d", ret); goto out_unreg_of_dev; } - + return &port->ofdev.dev; out_unreg_of_dev: @@ -2517,7 +2500,7 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, } ret = ehea_get_jumboframe_status(port, &jumbo); - if (ret) + if (ret) ehea_error("failed determining jumbo frame status for %s", port->netdev->name); @@ -2560,7 +2543,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - + dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", NULL); if (!dn_log_port_id) { @@ -2574,7 +2557,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) eth_dn); if (adapter->port[i]) ehea_info("%s -> logical port id #%d", - adapter->port[i]->netdev->name, + adapter->port[i]->netdev->name, *dn_log_port_id); i++; }; @@ -2590,8 +2573,8 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) return -EINVAL; } -static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, - u32 logical_port_id) +static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, + u32 logical_port_id) { struct device_node *lhea_dn; struct device_node *eth_dn = NULL; @@ -2599,7 +2582,7 @@ static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - + dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", NULL); if (dn_log_port_id) @@ -2631,14 +2614,14 @@ static ssize_t ehea_probe_port(struct device *dev, port->netdev->name); return -EINVAL; } - + eth_dn = ehea_get_eth_dn(adapter, logical_port_id); if (!eth_dn) { ehea_info("no logical port with id %d found", logical_port_id); return -EINVAL; } - + port = ehea_setup_single_port(adapter, logical_port_id, eth_dn); of_node_put(eth_dn); @@ -2652,8 +2635,8 @@ static ssize_t ehea_probe_port(struct device *dev, ehea_info("added %s (logical port id=%d)", port->netdev->name, logical_port_id); - } else - return -EIO; + } else + return -EIO; return (ssize_t) count; } @@ -2748,7 +2731,7 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, dev->ofdev.dev.driver_data = adapter; - ret = ehea_reg_mr_adapter(adapter); + ret = ehea_reg_kernel_mr(adapter, &adapter->mr); if (ret) { dev_err(&dev->ofdev.dev, "reg_mr_adapter failed\n"); goto out_free_ad; @@ -2813,7 +2796,7 @@ out_kill_eq: ehea_destroy_eq(adapter->neq); out_free_res: - ehea_h_free_resource(adapter->handle, adapter->mr.handle); + ehea_rem_mr(&adapter->mr); out_free_ad: kfree(adapter); @@ -2824,7 +2807,6 @@ out: static int __devexit ehea_remove(struct ibmebus_dev *dev) { struct ehea_adapter *adapter = dev->ofdev.dev.driver_data; - u64 hret; int i; for (i = 0; i < EHEA_MAX_PORTS; i++) @@ -2841,12 +2823,7 @@ static int __devexit ehea_remove(struct ibmebus_dev *dev) tasklet_kill(&adapter->neq_tasklet); ehea_destroy_eq(adapter->neq); - - hret = ehea_h_free_resource(adapter->handle, adapter->mr.handle); - if (hret) { - dev_err(&dev->ofdev.dev, "free_resource_mr failed"); - return -EIO; - } + ehea_rem_mr(&adapter->mr); kfree(adapter); return 0; } diff --git a/drivers/net/ehea/ehea_phyp.c b/drivers/net/ehea/ehea_phyp.c index bc3c0054726..95c4a7f9cc8 100644 --- a/drivers/net/ehea/ehea_phyp.c +++ b/drivers/net/ehea/ehea_phyp.c @@ -478,12 +478,14 @@ u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle) 0, 0, 0, 0, 0, 0); /* R7-R12 */ } -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle) +u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, + u64 force_bit) { return ehea_plpar_hcall_norets(H_FREE_RESOURCE, adapter_handle, /* R4 */ res_handle, /* R5 */ - 0, 0, 0, 0, 0); /* R6-R10 */ + force_bit, + 0, 0, 0, 0); /* R7-R10 */ } u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h index 90acddb068a..d17a45a7e71 100644 --- a/drivers/net/ehea/ehea_phyp.h +++ b/drivers/net/ehea/ehea_phyp.h @@ -414,7 +414,11 @@ u64 ehea_h_register_rpage(const u64 adapter_handle, u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle); -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle); +#define FORCE_FREE 1 +#define NORMAL_FREE 0 + +u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, + u64 force_bit); u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, const u64 length, const u32 access_ctrl, diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 96ff3b67999..f24a8862977 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -197,7 +197,7 @@ out_kill_hwq: hw_queue_dtor(&cq->hw_queue); out_freeres: - ehea_h_free_resource(adapter->handle, cq->fw_handle); + ehea_h_free_resource(adapter->handle, cq->fw_handle, FORCE_FREE); out_freemem: kfree(cq); @@ -206,25 +206,38 @@ out_nomem: return NULL; } -int ehea_destroy_cq(struct ehea_cq *cq) +u64 ehea_destroy_cq_res(struct ehea_cq *cq, u64 force) { - u64 adapter_handle, hret; + u64 hret; + u64 adapter_handle = cq->adapter->handle; + + /* deregister all previous registered pages */ + hret = ehea_h_free_resource(adapter_handle, cq->fw_handle, force); + if (hret != H_SUCCESS) + return hret; + + hw_queue_dtor(&cq->hw_queue); + kfree(cq); + + return hret; +} +int ehea_destroy_cq(struct ehea_cq *cq) +{ + u64 hret; if (!cq) return 0; - adapter_handle = cq->adapter->handle; + if ((hret = ehea_destroy_cq_res(cq, NORMAL_FREE)) == H_R_STATE) { + ehea_error_data(cq->adapter, cq->fw_handle); + hret = ehea_destroy_cq_res(cq, FORCE_FREE); + } - /* deregister all previous registered pages */ - hret = ehea_h_free_resource(adapter_handle, cq->fw_handle); if (hret != H_SUCCESS) { ehea_error("destroy CQ failed"); return -EIO; } - hw_queue_dtor(&cq->hw_queue); - kfree(cq); - return 0; } @@ -297,7 +310,7 @@ out_kill_hwq: hw_queue_dtor(&eq->hw_queue); out_freeres: - ehea_h_free_resource(adapter->handle, eq->fw_handle); + ehea_h_free_resource(adapter->handle, eq->fw_handle, FORCE_FREE); out_freemem: kfree(eq); @@ -316,27 +329,41 @@ struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq) return eqe; } -int ehea_destroy_eq(struct ehea_eq *eq) +u64 ehea_destroy_eq_res(struct ehea_eq *eq, u64 force) { u64 hret; unsigned long flags; - if (!eq) - return 0; - spin_lock_irqsave(&eq->spinlock, flags); - hret = ehea_h_free_resource(eq->adapter->handle, eq->fw_handle); + hret = ehea_h_free_resource(eq->adapter->handle, eq->fw_handle, force); spin_unlock_irqrestore(&eq->spinlock, flags); - if (hret != H_SUCCESS) { - ehea_error("destroy_eq failed"); - return -EIO; - } + if (hret != H_SUCCESS) + return hret; hw_queue_dtor(&eq->hw_queue); kfree(eq); + return hret; +} + +int ehea_destroy_eq(struct ehea_eq *eq) +{ + u64 hret; + if (!eq) + return 0; + + if ((hret = ehea_destroy_eq_res(eq, NORMAL_FREE)) == H_R_STATE) { + ehea_error_data(eq->adapter, eq->fw_handle); + hret = ehea_destroy_eq_res(eq, FORCE_FREE); + } + + if (hret != H_SUCCESS) { + ehea_error("destroy EQ failed"); + return -EIO; + } + return 0; } @@ -471,41 +498,56 @@ out_kill_hwsq: out_freeres: ehea_h_disable_and_get_hea(adapter->handle, qp->fw_handle); - ehea_h_free_resource(adapter->handle, qp->fw_handle); + ehea_h_free_resource(adapter->handle, qp->fw_handle, FORCE_FREE); out_freemem: kfree(qp); return NULL; } -int ehea_destroy_qp(struct ehea_qp *qp) +u64 ehea_destroy_qp_res(struct ehea_qp *qp, u64 force) { - u64 hret; - struct ehea_qp_init_attr *qp_attr = &qp->init_attr; + u64 hret; + struct ehea_qp_init_attr *qp_attr = &qp->init_attr; - if (!qp) - return 0; - ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle); - hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle); - if (hret != H_SUCCESS) { - ehea_error("destroy_qp failed"); - return -EIO; - } + ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle); + hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle, force); + if (hret != H_SUCCESS) + return hret; - hw_queue_dtor(&qp->hw_squeue); - hw_queue_dtor(&qp->hw_rqueue1); + hw_queue_dtor(&qp->hw_squeue); + hw_queue_dtor(&qp->hw_rqueue1); - if (qp_attr->rq_count > 1) - hw_queue_dtor(&qp->hw_rqueue2); - if (qp_attr->rq_count > 2) - hw_queue_dtor(&qp->hw_rqueue3); - kfree(qp); + if (qp_attr->rq_count > 1) + hw_queue_dtor(&qp->hw_rqueue2); + if (qp_attr->rq_count > 2) + hw_queue_dtor(&qp->hw_rqueue3); + kfree(qp); - return 0; + return hret; } -int ehea_reg_mr_adapter(struct ehea_adapter *adapter) +int ehea_destroy_qp(struct ehea_qp *qp) +{ + u64 hret; + if (!qp) + return 0; + + if ((hret = ehea_destroy_qp_res(qp, NORMAL_FREE)) == H_R_STATE) { + ehea_error_data(qp->adapter, qp->fw_handle); + hret = ehea_destroy_qp_res(qp, FORCE_FREE); + } + + if (hret != H_SUCCESS) { + ehea_error("destroy QP failed"); + return -EIO; + } + + return 0; +} + +int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) { int i, k, ret; u64 hret, pt_abs, start, end, nr_pages; @@ -526,14 +568,14 @@ int ehea_reg_mr_adapter(struct ehea_adapter *adapter) hret = ehea_h_alloc_resource_mr(adapter->handle, start, end - start, acc_ctrl, adapter->pd, - &adapter->mr.handle, &adapter->mr.lkey); + &mr->handle, &mr->lkey); if (hret != H_SUCCESS) { ehea_error("alloc_resource_mr failed"); ret = -EIO; goto out; } - adapter->mr.vaddr = KERNELBASE; + mr->vaddr = KERNELBASE; k = 0; while (nr_pages > 0) { @@ -545,7 +587,7 @@ int ehea_reg_mr_adapter(struct ehea_adapter *adapter) EHEA_PAGESIZE))); hret = ehea_h_register_rpage_mr(adapter->handle, - adapter->mr.handle, 0, + mr->handle, 0, 0, (u64)pt_abs, num_pages); nr_pages -= num_pages; @@ -554,34 +596,68 @@ int ehea_reg_mr_adapter(struct ehea_adapter *adapter) (k * EHEA_PAGESIZE))); hret = ehea_h_register_rpage_mr(adapter->handle, - adapter->mr.handle, 0, + mr->handle, 0, 0, abs_adr,1); nr_pages--; } if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) { ehea_h_free_resource(adapter->handle, - adapter->mr.handle); - ehea_error("register_rpage_mr failed: hret = %lX", - hret); + mr->handle, FORCE_FREE); + ehea_error("register_rpage_mr failed"); ret = -EIO; goto out; } } if (hret != H_SUCCESS) { - ehea_h_free_resource(adapter->handle, adapter->mr.handle); - ehea_error("register_rpage failed for last page: hret = %lX", - hret); + ehea_h_free_resource(adapter->handle, mr->handle, + FORCE_FREE); + ehea_error("register_rpage failed for last page"); ret = -EIO; goto out; } + + mr->adapter = adapter; ret = 0; out: kfree(pt); return ret; } +int ehea_rem_mr(struct ehea_mr *mr) +{ + u64 hret; + + if (!mr || !mr->adapter) + return -EINVAL; + + hret = ehea_h_free_resource(mr->adapter->handle, mr->handle, + FORCE_FREE); + if (hret != H_SUCCESS) { + ehea_error("destroy MR failed"); + return -EIO; + } + + return 0; +} + +int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, + struct ehea_mr *shared_mr) +{ + u64 hret; + + hret = ehea_h_register_smr(adapter->handle, old_mr->handle, + old_mr->vaddr, EHEA_MR_ACC_CTRL, + adapter->pd, shared_mr); + if (hret != H_SUCCESS) + return -EIO; + + shared_mr->adapter = adapter; + + return 0; +} + void print_error_data(u64 *data) { int length; @@ -597,6 +673,14 @@ void print_error_data(u64 *data) ehea_error("QP (resource=%lX) state: AER=0x%lX, AERR=0x%lX, " "port=%lX", resource, data[6], data[12], data[22]); + if (type == 0x4) /* Completion Queue */ + ehea_error("CQ (resource=%lX) state: AER=0x%lX", resource, + data[6]); + + if (type == 0x3) /* Event Queue */ + ehea_error("EQ (resource=%lX) state: AER=0x%lX", resource, + data[6]); + ehea_dump(data, length, "error data"); } diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h index 99d6b70a087..24603312eb8 100644 --- a/drivers/net/ehea/ehea_qmr.h +++ b/drivers/net/ehea/ehea_qmr.h @@ -361,7 +361,12 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter * adapter, u32 pd, int ehea_destroy_qp(struct ehea_qp *qp); -int ehea_reg_mr_adapter(struct ehea_adapter *adapter); +int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr); + +int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, + struct ehea_mr *shared_mr); + +int ehea_rem_mr(struct ehea_mr *mr); void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle); |