#include <linux/module.h>
#include <linux/printk.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
#include <net/addrconf.h>
+#include <rdma/ib_addr.h>
+#include <rdma/ib_mad.h>
#include "ionic_ibdev.h"
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("NET_IONIC");
+static int ionic_query_device(struct ib_device *ibdev,
+ struct ib_device_attr *attr,
+ struct ib_udata *udata)
+{
+ struct ionic_ibdev *dev = to_ionic_ibdev(ibdev);
+ struct net_device *ndev;
+
+ ndev = ib_device_get_netdev(ibdev, 1);
+ addrconf_ifid_eui48((u8 *)&attr->sys_image_guid, ndev);
+ dev_put(ndev);
+ attr->max_mr_size = dev->lif_cfg.npts_per_lif * PAGE_SIZE / 2;
+ attr->page_size_cap = dev->lif_cfg.page_size_supported;
+
+ attr->vendor_id = to_pci_dev(dev->lif_cfg.hwdev)->vendor;
+ attr->vendor_part_id = to_pci_dev(dev->lif_cfg.hwdev)->device;
+
+ attr->hw_ver = ionic_lif_asic_rev(dev->lif_cfg.lif);
+ attr->fw_ver = 0;
+ attr->max_qp = dev->lif_cfg.qp_count;
+ attr->max_qp_wr = IONIC_MAX_DEPTH;
+ attr->device_cap_flags =
+ IB_DEVICE_MEM_WINDOW |
+ IB_DEVICE_MEM_MGT_EXTENSIONS |
+ IB_DEVICE_MEM_WINDOW_TYPE_2B |
+ 0;
+ attr->max_send_sge =
+ min(ionic_v1_send_wqe_max_sge(dev->lif_cfg.max_stride, 0, false),
+ IONIC_SPEC_HIGH);
+ attr->max_recv_sge =
+ min(ionic_v1_recv_wqe_max_sge(dev->lif_cfg.max_stride, 0, false),
+ IONIC_SPEC_HIGH);
+ attr->max_sge_rd = attr->max_send_sge;
+ attr->max_cq = dev->lif_cfg.cq_count / dev->lif_cfg.udma_count;
+ attr->max_cqe = IONIC_MAX_CQ_DEPTH - IONIC_CQ_GRACE;
+ attr->max_mr = dev->lif_cfg.nmrs_per_lif;
+ attr->max_pd = IONIC_MAX_PD;
+ attr->max_qp_rd_atom = IONIC_MAX_RD_ATOM;
+ attr->max_ee_rd_atom = 0;
+ attr->max_res_rd_atom = IONIC_MAX_RD_ATOM;
+ attr->max_qp_init_rd_atom = IONIC_MAX_RD_ATOM;
+ attr->max_ee_init_rd_atom = 0;
+ attr->atomic_cap = IB_ATOMIC_GLOB;
+ attr->masked_atomic_cap = IB_ATOMIC_GLOB;
+ attr->max_mw = dev->lif_cfg.nmrs_per_lif;
+ attr->max_mcast_grp = 0;
+ attr->max_mcast_qp_attach = 0;
+ attr->max_ah = dev->lif_cfg.nahs_per_lif;
+ attr->max_fast_reg_page_list_len = dev->lif_cfg.npts_per_lif / 2;
+ attr->max_pkeys = IONIC_PKEY_TBL_LEN;
+
+ return 0;
+}
+
+static int ionic_query_port(struct ib_device *ibdev, u32 port,
+ struct ib_port_attr *attr)
+{
+ struct net_device *ndev;
+
+ if (port != 1)
+ return -EINVAL;
+
+ ndev = ib_device_get_netdev(ibdev, port);
+
+ if (netif_running(ndev) && netif_carrier_ok(ndev)) {
+ attr->state = IB_PORT_ACTIVE;
+ attr->phys_state = IB_PORT_PHYS_STATE_LINK_UP;
+ } else if (netif_running(ndev)) {
+ attr->state = IB_PORT_DOWN;
+ attr->phys_state = IB_PORT_PHYS_STATE_POLLING;
+ } else {
+ attr->state = IB_PORT_DOWN;
+ attr->phys_state = IB_PORT_PHYS_STATE_DISABLED;
+ }
+
+ attr->max_mtu = iboe_get_mtu(ndev->max_mtu);
+ attr->active_mtu = min(attr->max_mtu, iboe_get_mtu(ndev->mtu));
+ attr->gid_tbl_len = IONIC_GID_TBL_LEN;
+ attr->ip_gids = true;
+ attr->port_cap_flags = 0;
+ attr->max_msg_sz = 0x80000000;
+ attr->pkey_tbl_len = IONIC_PKEY_TBL_LEN;
+ attr->max_vl_num = 1;
+ attr->subnet_prefix = 0xfe80000000000000ull;
+
+ dev_put(ndev);
+
+ return ib_get_eth_speed(ibdev, port,
+ &attr->active_speed,
+ &attr->active_width);
+}
+
+static enum rdma_link_layer ionic_get_link_layer(struct ib_device *ibdev,
+ u32 port)
+{
+ return IB_LINK_LAYER_ETHERNET;
+}
+
+static int ionic_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
+ u16 *pkey)
+{
+ if (port != 1)
+ return -EINVAL;
+
+ if (index != 0)
+ return -EINVAL;
+
+ *pkey = IB_DEFAULT_PKEY_FULL;
+
+ return 0;
+}
+
+static int ionic_modify_device(struct ib_device *ibdev, int mask,
+ struct ib_device_modify *attr)
+{
+ struct ionic_ibdev *dev = to_ionic_ibdev(ibdev);
+
+ if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
+ return -EOPNOTSUPP;
+
+ if (mask & IB_DEVICE_MODIFY_NODE_DESC)
+ memcpy(dev->ibdev.node_desc, attr->node_desc,
+ IB_DEVICE_NODE_DESC_MAX);
+
+ return 0;
+}
+
+static int ionic_get_port_immutable(struct ib_device *ibdev, u32 port,
+ struct ib_port_immutable *attr)
+{
+ if (port != 1)
+ return -EINVAL;
+
+ attr->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
+
+ attr->pkey_tbl_len = IONIC_PKEY_TBL_LEN;
+ attr->gid_tbl_len = IONIC_GID_TBL_LEN;
+ attr->max_mad_size = IB_MGMT_MAD_SIZE;
+
+ return 0;
+}
+
+static void ionic_get_dev_fw_str(struct ib_device *ibdev, char *str)
+{
+ struct ionic_ibdev *dev = to_ionic_ibdev(ibdev);
+
+ ionic_lif_fw_version(dev->lif_cfg.lif, str, IB_FW_VERSION_NAME_MAX);
+}
+
+static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
+ char *buf)
+{
+ struct ionic_ibdev *dev =
+ rdma_device_to_drv_device(device, struct ionic_ibdev, ibdev);
+
+ return sysfs_emit(buf, "0x%x\n", ionic_lif_asic_rev(dev->lif_cfg.lif));
+}
+static DEVICE_ATTR_RO(hw_rev);
+
+static ssize_t hca_type_show(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ struct ionic_ibdev *dev =
+ rdma_device_to_drv_device(device, struct ionic_ibdev, ibdev);
+
+ return sysfs_emit(buf, "%s\n", dev->ibdev.node_desc);
+}
+static DEVICE_ATTR_RO(hca_type);
+
+static struct attribute *ionic_rdma_attributes[] = {
+ &dev_attr_hw_rev.attr,
+ &dev_attr_hca_type.attr,
+ NULL
+};
+
+static const struct attribute_group ionic_rdma_attr_group = {
+ .attrs = ionic_rdma_attributes,
+};
+
+static void ionic_disassociate_ucontext(struct ib_ucontext *ibcontext)
+{
+ /*
+ * Dummy define disassociate_ucontext so that it does not
+ * wait for user context before cleaning up hw resources.
+ */
+}
+
static const struct ib_device_ops ionic_dev_ops = {
.owner = THIS_MODULE,
.driver_id = RDMA_DRIVER_IONIC,
.poll_cq = ionic_poll_cq,
.req_notify_cq = ionic_req_notify_cq,
+ .query_device = ionic_query_device,
+ .query_port = ionic_query_port,
+ .get_link_layer = ionic_get_link_layer,
+ .query_pkey = ionic_query_pkey,
+ .modify_device = ionic_modify_device,
+ .get_port_immutable = ionic_get_port_immutable,
+ .get_dev_fw_str = ionic_get_dev_fw_str,
+ .device_group = &ionic_rdma_attr_group,
+ .disassociate_ucontext = ionic_disassociate_ucontext,
+
INIT_RDMA_OBJ_SIZE(ib_ucontext, ionic_ctx, ibctx),
INIT_RDMA_OBJ_SIZE(ib_pd, ionic_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ah, ionic_ah, ibah),
projects / thirdparty / kernel / stable.git / commitdiff
