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https://github.com/edk2-porting/linux-next.git
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NTB: client event cleanup
Provide a better event interface between the client and transport Signed-off-by: Jon Mason <jon.mason@intel.com>
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717e8e8bfe
commit
403c63cb6d
@ -78,11 +78,19 @@ static void ntb_netdev_event_handler(void *data, int status)
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netdev_dbg(ndev, "Event %x, Link %x\n", status,
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netdev_dbg(ndev, "Event %x, Link %x\n", status,
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ntb_transport_link_query(dev->qp));
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ntb_transport_link_query(dev->qp));
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/* Currently, only link status event is supported */
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switch (status) {
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if (status)
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case NTB_LINK_DOWN:
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netif_carrier_on(ndev);
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else
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netif_carrier_off(ndev);
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netif_carrier_off(ndev);
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break;
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case NTB_LINK_UP:
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if (!ntb_transport_link_query(dev->qp))
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return;
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netif_carrier_on(ndev);
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break;
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default:
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netdev_warn(ndev, "Unsupported event type %d\n", status);
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}
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}
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}
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static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data,
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static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data,
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@ -45,6 +45,7 @@
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* Contact Information:
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* Contact Information:
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* Jon Mason <jon.mason@intel.com>
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* Jon Mason <jon.mason@intel.com>
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*/
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*/
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#include <linux/ntb.h>
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#define PCI_DEVICE_ID_INTEL_NTB_B2B_JSF 0x3725
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#define PCI_DEVICE_ID_INTEL_NTB_B2B_JSF 0x3725
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#define PCI_DEVICE_ID_INTEL_NTB_PS_JSF 0x3726
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#define PCI_DEVICE_ID_INTEL_NTB_PS_JSF 0x3726
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@ -83,9 +84,6 @@ static inline void writeq(u64 val, void __iomem *addr)
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#define NTB_BAR_MASK ((1 << NTB_BAR_MMIO) | (1 << NTB_BAR_23) |\
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#define NTB_BAR_MASK ((1 << NTB_BAR_MMIO) | (1 << NTB_BAR_23) |\
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(1 << NTB_BAR_45))
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(1 << NTB_BAR_45))
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#define NTB_LINK_DOWN 0
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#define NTB_LINK_UP 1
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#define NTB_HB_TIMEOUT msecs_to_jiffies(1000)
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#define NTB_HB_TIMEOUT msecs_to_jiffies(1000)
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#define NTB_MAX_NUM_MW 2
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#define NTB_MAX_NUM_MW 2
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@ -56,7 +56,6 @@
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#include <linux/pci.h>
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/types.h>
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#include <linux/ntb.h>
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#include "ntb_hw.h"
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#include "ntb_hw.h"
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#define NTB_TRANSPORT_VERSION 3
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#define NTB_TRANSPORT_VERSION 3
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@ -54,6 +54,11 @@ struct ntb_client {
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void (*remove) (struct pci_dev *pdev);
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void (*remove) (struct pci_dev *pdev);
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};
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};
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enum {
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NTB_LINK_DOWN = 0,
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NTB_LINK_UP,
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};
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int ntb_register_client(struct ntb_client *drvr);
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int ntb_register_client(struct ntb_client *drvr);
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void ntb_unregister_client(struct ntb_client *drvr);
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void ntb_unregister_client(struct ntb_client *drvr);
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int ntb_register_client_dev(char *device_name);
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int ntb_register_client_dev(char *device_name);
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