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author | Matthew Wilcox <willy@infradead.org> | 2019-02-20 16:21:01 -0800 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-04-01 14:18:15 -0300 |
commit | fae7a699a92577e383c82ae42918ec257cf3bba9 (patch) | |
tree | fa5b9f33e9d6fd1b83fb3ff227fae68c53842fb2 /drivers/infiniband/ulp/opa_vnic | |
parent | 059d48fbf61bec9aae7cd9a00604d7ccf95463b5 (diff) | |
download | linux-fae7a699a92577e383c82ae42918ec257cf3bba9.tar.gz linux-fae7a699a92577e383c82ae42918ec257cf3bba9.tar.bz2 linux-fae7a699a92577e383c82ae42918ec257cf3bba9.zip |
opa_vnic: Convert vport_idr to XArray
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/ulp/opa_vnic')
-rw-r--r-- | drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c | 60 |
1 files changed, 23 insertions, 37 deletions
diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c index 560e4f2d466e..76cd09410d9a 100644 --- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c @@ -51,6 +51,7 @@ */ #include <linux/module.h> +#include <linux/xarray.h> #include <rdma/ib_addr.h> #include <rdma/ib_verbs.h> #include <rdma/opa_smi.h> @@ -97,7 +98,7 @@ const char opa_vnic_driver_version[] = DRV_VERSION; * @class_port_info: Class port info information. * @tid: Transaction id * @port_num: OPA port number - * @vport_idr: vnic ports idr + * @vports: vnic ports * @event_handler: ib event handler * @lock: adapter interface lock */ @@ -107,7 +108,7 @@ struct opa_vnic_vema_port { struct opa_class_port_info class_port_info; u64 tid; u8 port_num; - struct idr vport_idr; + struct xarray vports; struct ib_event_handler event_handler; /* Lock to query/update network adapter */ @@ -148,7 +149,7 @@ vema_get_vport_adapter(struct opa_vnic_vema_mad *recvd_mad, { u8 vport_num = vema_get_vport_num(recvd_mad); - return idr_find(&port->vport_idr, vport_num); + return xa_load(&port->vports, vport_num); } /** @@ -207,8 +208,7 @@ static struct opa_vnic_adapter *vema_add_vport(struct opa_vnic_vema_port *port, int rc; adapter->cport = cport; - rc = idr_alloc(&port->vport_idr, adapter, vport_num, - vport_num + 1, GFP_NOWAIT); + rc = xa_insert(&port->vports, vport_num, adapter, GFP_KERNEL); if (rc < 0) { opa_vnic_rem_netdev(adapter); adapter = ERR_PTR(rc); @@ -853,36 +853,14 @@ err_exit: v_err("Aborting trap\n"); } -static int vema_rem_vport(int id, void *p, void *data) -{ - struct opa_vnic_adapter *adapter = p; - - opa_vnic_rem_netdev(adapter); - return 0; -} - -static int vema_enable_vport(int id, void *p, void *data) -{ - struct opa_vnic_adapter *adapter = p; - - netif_carrier_on(adapter->netdev); - return 0; -} - -static int vema_disable_vport(int id, void *p, void *data) -{ - struct opa_vnic_adapter *adapter = p; - - netif_carrier_off(adapter->netdev); - return 0; -} - static void opa_vnic_event(struct ib_event_handler *handler, struct ib_event *record) { struct opa_vnic_vema_port *port = container_of(handler, struct opa_vnic_vema_port, event_handler); struct opa_vnic_ctrl_port *cport = port->cport; + struct opa_vnic_adapter *adapter; + unsigned long index; if (record->element.port_num != port->port_num) return; @@ -891,10 +869,16 @@ static void opa_vnic_event(struct ib_event_handler *handler, record->event, dev_name(&record->device->dev), record->element.port_num); - if (record->event == IB_EVENT_PORT_ERR) - idr_for_each(&port->vport_idr, vema_disable_vport, NULL); - if (record->event == IB_EVENT_PORT_ACTIVE) - idr_for_each(&port->vport_idr, vema_enable_vport, NULL); + if (record->event != IB_EVENT_PORT_ERR || + record->event != IB_EVENT_PORT_ACTIVE) + return; + + xa_for_each(&port->vports, index, adapter) { + if (record->event == IB_EVENT_PORT_ACTIVE) + netif_carrier_on(adapter->netdev); + else + netif_carrier_off(adapter->netdev); + } } /** @@ -905,6 +889,8 @@ static void opa_vnic_event(struct ib_event_handler *handler, */ static void vema_unregister(struct opa_vnic_ctrl_port *cport) { + struct opa_vnic_adapter *adapter; + unsigned long index; int i; for (i = 1; i <= cport->num_ports; i++) { @@ -915,13 +901,14 @@ static void vema_unregister(struct opa_vnic_ctrl_port *cport) /* Lock ensures no MAD is being processed */ mutex_lock(&port->lock); - idr_for_each(&port->vport_idr, vema_rem_vport, NULL); + xa_for_each(&port->vports, index, adapter) + opa_vnic_rem_netdev(adapter); mutex_unlock(&port->lock); ib_unregister_mad_agent(port->mad_agent); port->mad_agent = NULL; mutex_destroy(&port->lock); - idr_destroy(&port->vport_idr); + xa_destroy(&port->vports); ib_unregister_event_handler(&port->event_handler); } } @@ -958,7 +945,7 @@ static int vema_register(struct opa_vnic_ctrl_port *cport) cport->ibdev, opa_vnic_event); ib_register_event_handler(&port->event_handler); - idr_init(&port->vport_idr); + xa_init(&port->vports); mutex_init(&port->lock); port->mad_agent = ib_register_mad_agent(cport->ibdev, i, IB_QPT_GSI, ®_req, @@ -969,7 +956,6 @@ static int vema_register(struct opa_vnic_ctrl_port *cport) ret = PTR_ERR(port->mad_agent); port->mad_agent = NULL; mutex_destroy(&port->lock); - idr_destroy(&port->vport_idr); vema_unregister(cport); return ret; } |