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RDMA/vmw_pvrdma: Activate device on ethernet link up 

Restore device state when ethernet link changes to active.

Acked-by: George Zhang <georgezhang@vmware.com>
Acked-by: Jorgen Hansen <jhansen@vmware.com>
Acked-by: Bryan Tan <bryantan@vmware.com>
Signed-off-by: Aditya Sarwade <asarwade@vmware.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Aditya Sarwade 2017-02-22 17:22:58 -08:00 committed by Doug Ledford
parent e51c2fb033
commit b172679b0d
2 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
View File

@ -132,7 +132,7 @@ enum pvrdma_pci_resource {
enum pvrdma_device_ctl {
PVRDMA_DEVICE_CTL_ACTIVATE, /* Activate device. */
PVRDMA_DEVICE_CTL_QUIESCE, /* Quiesce device. */
PVRDMA_DEVICE_CTL_UNQUIESCE, /* Unquiesce device. */
PVRDMA_DEVICE_CTL_RESET, /* Reset device. */
};

11
drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
View File

@ -56,7 +56,7 @@
#include "pvrdma.h"
#define DRV_NAME "vmw_pvrdma"
#define DRV_VERSION "1.0.0.0-k"
#define DRV_VERSION "1.0.1.0-k"
static DEFINE_MUTEX(pvrdma_device_list_lock);
static LIST_HEAD(pvrdma_device_list);
@ -660,6 +660,15 @@ static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev,
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: