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RDMA/pvrdma: Support report_port_event() ops

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In addition to dispatching event, some private stuffs need to be
done in this driver's link status event handler. Implement the new
report_port_event() ops with the link status event codes.

Signed-off-by: Yuyu Li <liyuyu6@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Yuyu Li 2024-11-22 18:53:06 +08:00 committed by Leon Romanovsky
parent e4b4ef3457
commit e89fd16278
1 changed files with 41 additions and 25 deletions
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66
drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
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@ -143,6 +143,46 @@ static int pvrdma_port_immutable(struct ib_device *ibdev, u32 port_num,
return 0;
}
static void pvrdma_dispatch_event(struct pvrdma_dev *dev, int port,
enum ib_event_type event)
{
struct ib_event ib_event;
memset(&ib_event, 0, sizeof(ib_event));
ib_event.device = &dev->ib_dev;
ib_event.element.port_num = port;
ib_event.event = event;
ib_dispatch_event(&ib_event);
}
static void pvrdma_report_event_handle(struct ib_device *ibdev,
struct net_device *ndev,
unsigned long event)
{
struct pvrdma_dev *dev = container_of(ibdev, struct pvrdma_dev, ib_dev);
switch (event) {
case NETDEV_DOWN:
pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ERR);
break;
case NETDEV_UP:
pvrdma_write_reg(dev, PVRDMA_REG_CTL,
PVRDMA_DEVICE_CTL_UNQUIESCE);
mb();
if (pvrdma_read_reg(dev, PVRDMA_REG_ERR))
dev_err(&dev->pdev->dev,
"failed to activate device during link up\n");
else
pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE);
break;
default:
break;
}
}
static const struct ib_device_ops pvrdma_dev_ops = {
.owner = THIS_MODULE,
.driver_id = RDMA_DRIVER_VMW_PVRDMA,
@ -181,6 +221,7 @@ static const struct ib_device_ops pvrdma_dev_ops = {
.query_qp = pvrdma_query_qp,
.reg_user_mr = pvrdma_reg_user_mr,
.req_notify_cq = pvrdma_req_notify_cq,
.report_port_event = pvrdma_report_event_handle,
INIT_RDMA_OBJ_SIZE(ib_ah, pvrdma_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_cq, pvrdma_cq, ibcq),
@ -362,18 +403,6 @@ static void pvrdma_srq_event(struct pvrdma_dev *dev, u32 srqn, int type)
}
}
static void pvrdma_dispatch_event(struct pvrdma_dev *dev, int port,
enum ib_event_type event)
{
struct ib_event ib_event;
memset(&ib_event, 0, sizeof(ib_event));
ib_event.device = &dev->ib_dev;
ib_event.element.port_num = port;
ib_event.event = event;
ib_dispatch_event(&ib_event);
}
static void pvrdma_dev_event(struct pvrdma_dev *dev, u8 port, int type)
{
if (port < 1 || port > dev->dsr->caps.phys_port_cnt) {
@ -666,21 +695,8 @@ static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev,
switch (event) {
case NETDEV_REBOOT:
case NETDEV_DOWN:
pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ERR);
break;
case NETDEV_UP:
pvrdma_write_reg(dev, PVRDMA_REG_CTL,
PVRDMA_DEVICE_CTL_UNQUIESCE);
mb();
if (pvrdma_read_reg(dev, PVRDMA_REG_ERR))
dev_err(&dev->pdev->dev,
"failed to activate device during link up\n");
else
pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE);
break;
case NETDEV_UNREGISTER:
ib_device_set_netdev(&dev->ib_dev, NULL, 1);
dev_put(dev->netdev);