diff options
Diffstat (limited to 'drivers/infiniband/hw/qedr/main.c')
| -rw-r--r-- | drivers/infiniband/hw/qedr/main.c | 118 |
1 files changed, 106 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 97d033f51dc9..50812b33291b 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -33,16 +33,20 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_addr.h> #include <rdma/ib_user_verbs.h> +#include <rdma/iw_cm.h> +#include <rdma/ib_mad.h> #include <linux/netdevice.h> #include <linux/iommu.h> #include <linux/pci.h> #include <net/addrconf.h> +#include <linux/idr.h> #include <linux/qed/qed_chain.h> #include <linux/qed/qed_if.h> #include "qedr.h" #include "verbs.h" #include <rdma/qedr-abi.h> +#include "qedr_iw_cm.h" MODULE_DESCRIPTION("QLogic 40G/100G ROCE Driver"); MODULE_AUTHOR("QLogic Corporation"); @@ -50,8 +54,8 @@ MODULE_LICENSE("Dual BSD/GPL"); #define QEDR_WQ_MULTIPLIER_DFT (3) -void qedr_ib_dispatch_event(struct qedr_dev *dev, u8 port_num, - enum ib_event_type type) +static void qedr_ib_dispatch_event(struct qedr_dev *dev, u8 port_num, + enum ib_event_type type) { struct ib_event ibev; @@ -92,8 +96,84 @@ static struct net_device *qedr_get_netdev(struct ib_device *dev, u8 port_num) return qdev->ndev; } +static int qedr_roce_port_immutable(struct ib_device *ibdev, u8 port_num, + struct ib_port_immutable *immutable) +{ + struct ib_port_attr attr; + int err; + + err = qedr_query_port(ibdev, port_num, &attr); + if (err) + return err; + + immutable->pkey_tbl_len = attr.pkey_tbl_len; + immutable->gid_tbl_len = attr.gid_tbl_len; + immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE | + RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; + immutable->max_mad_size = IB_MGMT_MAD_SIZE; + + return 0; +} + +static int qedr_iw_port_immutable(struct ib_device *ibdev, u8 port_num, + struct ib_port_immutable *immutable) +{ + struct ib_port_attr attr; + int err; + + err = qedr_query_port(ibdev, port_num, &attr); + if (err) + return err; + + immutable->pkey_tbl_len = 1; + immutable->gid_tbl_len = 1; + immutable->core_cap_flags = RDMA_CORE_PORT_IWARP; + immutable->max_mad_size = 0; + + return 0; +} + +static int qedr_iw_register_device(struct qedr_dev *dev) +{ + dev->ibdev.node_type = RDMA_NODE_RNIC; + dev->ibdev.query_gid = qedr_iw_query_gid; + + dev->ibdev.get_port_immutable = qedr_iw_port_immutable; + + dev->ibdev.iwcm = kzalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL); + if (!dev->ibdev.iwcm) + return -ENOMEM; + + dev->ibdev.iwcm->connect = qedr_iw_connect; + dev->ibdev.iwcm->accept = qedr_iw_accept; + dev->ibdev.iwcm->reject = qedr_iw_reject; + dev->ibdev.iwcm->create_listen = qedr_iw_create_listen; + dev->ibdev.iwcm->destroy_listen = qedr_iw_destroy_listen; + dev->ibdev.iwcm->add_ref = qedr_iw_qp_add_ref; + dev->ibdev.iwcm->rem_ref = qedr_iw_qp_rem_ref; + dev->ibdev.iwcm->get_qp = qedr_iw_get_qp; + + memcpy(dev->ibdev.iwcm->ifname, + dev->ndev->name, sizeof(dev->ibdev.iwcm->ifname)); + + return 0; +} + +static void qedr_roce_register_device(struct qedr_dev *dev) +{ + dev->ibdev.node_type = RDMA_NODE_IB_CA; + dev->ibdev.query_gid = qedr_query_gid; + + dev->ibdev.add_gid = qedr_add_gid; + dev->ibdev.del_gid = qedr_del_gid; + + dev->ibdev.get_port_immutable = qedr_roce_port_immutable; +} + static int qedr_register_device(struct qedr_dev *dev) { + int rc; + strlcpy(dev->ibdev.name, "qedr%d", IB_DEVICE_NAME_MAX); dev->ibdev.node_guid = dev->attr.node_guid; @@ -121,18 +201,21 @@ static int qedr_register_device(struct qedr_dev *dev) QEDR_UVERBS(POST_SEND) | QEDR_UVERBS(POST_RECV); + if (IS_IWARP(dev)) { + rc = qedr_iw_register_device(dev); + if (rc) + return rc; + } else { + qedr_roce_register_device(dev); + } + dev->ibdev.phys_port_cnt = 1; dev->ibdev.num_comp_vectors = dev->num_cnq; - dev->ibdev.node_type = RDMA_NODE_IB_CA; dev->ibdev.query_device = qedr_query_device; dev->ibdev.query_port = qedr_query_port; dev->ibdev.modify_port = qedr_modify_port; - dev->ibdev.query_gid = qedr_query_gid; - dev->ibdev.add_gid = qedr_add_gid; - dev->ibdev.del_gid = qedr_del_gid; - dev->ibdev.alloc_ucontext = qedr_alloc_ucontext; dev->ibdev.dealloc_ucontext = qedr_dealloc_ucontext; dev->ibdev.mmap = qedr_mmap; @@ -166,7 +249,7 @@ static int qedr_register_device(struct qedr_dev *dev) dev->ibdev.post_recv = qedr_post_recv; dev->ibdev.process_mad = qedr_process_mad; - dev->ibdev.get_port_immutable = qedr_port_immutable; + dev->ibdev.get_netdev = qedr_get_netdev; dev->ibdev.dev.parent = &dev->pdev->dev; @@ -217,6 +300,9 @@ static void qedr_free_resources(struct qedr_dev *dev) { int i; + if (IS_IWARP(dev)) + destroy_workqueue(dev->iwarp_wq); + for (i = 0; i < dev->num_cnq; i++) { qedr_free_mem_sb(dev, &dev->sb_array[i], dev->sb_start + i); dev->ops->common->chain_free(dev->cdev, &dev->cnq_array[i].pbl); @@ -241,6 +327,12 @@ static int qedr_alloc_resources(struct qedr_dev *dev) spin_lock_init(&dev->sgid_lock); + if (IS_IWARP(dev)) { + spin_lock_init(&dev->idr_lock); + idr_init(&dev->qpidr); + dev->iwarp_wq = create_singlethread_workqueue("qedr_iwarpq"); + } + /* Allocate Status blocks for CNQ */ dev->sb_array = kcalloc(dev->num_cnq, sizeof(*dev->sb_array), GFP_KERNEL); @@ -597,12 +689,12 @@ static int qedr_set_device_attr(struct qedr_dev *dev) return 0; } -void qedr_unaffiliated_event(void *context, u8 event_code) +static void qedr_unaffiliated_event(void *context, u8 event_code) { pr_err("unaffiliated event not implemented yet\n"); } -void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle) +static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle) { #define EVENT_TYPE_NOT_DEFINED 0 #define EVENT_TYPE_CQ 1 @@ -716,6 +808,7 @@ static int qedr_init_hw(struct qedr_dev *dev) in_params->events = &events; in_params->cq_mode = QED_RDMA_CQ_MODE_32_BITS; in_params->max_mtu = dev->ndev->mtu; + dev->iwarp_max_mtu = dev->ndev->mtu; ether_addr_copy(&in_params->mac_addr[0], dev->ndev->dev_addr); rc = dev->ops->rdma_init(dev->cdev, in_params); @@ -726,7 +819,7 @@ static int qedr_init_hw(struct qedr_dev *dev) if (rc) goto out; - dev->db_addr = (void *)(uintptr_t)out_params.dpi_addr; + dev->db_addr = (void __iomem *)(uintptr_t)out_params.dpi_addr; dev->db_phys_addr = out_params.dpi_phys_addr; dev->db_size = out_params.dpi_size; dev->dpi = out_params.dpi; @@ -740,7 +833,7 @@ out: return rc; } -void qedr_stop_hw(struct qedr_dev *dev) +static void qedr_stop_hw(struct qedr_dev *dev) { dev->ops->rdma_remove_user(dev->rdma_ctx, dev->dpi); dev->ops->rdma_stop(dev->rdma_ctx); @@ -777,6 +870,7 @@ static struct qedr_dev *qedr_add(struct qed_dev *cdev, struct pci_dev *pdev, goto init_err; dev->user_dpm_enabled = dev_info.user_dpm_enabled; + dev->rdma_type = dev_info.rdma_type; dev->num_hwfns = dev_info.common.num_hwfns; dev->rdma_ctx = dev->ops->rdma_get_rdma_ctx(cdev); |