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authorShannon Nelson <snelson@pensando.io>2019-10-23 17:48:57 -0700
committerDavid S. Miller <davem@davemloft.net>2019-10-25 20:52:36 -0700
commit97ca486592c0e940a85a06b3ca37dcb6962b2a04 (patch)
tree4ba9b317f69d18e6b1227508ec2c2cbb006a2f8d /drivers/net/ethernet/pensando/ionic/ionic_dev.h
parentionic: reverse an interrupt coalesce calculation (diff)
downloadlinux-dev-97ca486592c0e940a85a06b3ca37dcb6962b2a04.tar.xz
linux-dev-97ca486592c0e940a85a06b3ca37dcb6962b2a04.zip
ionic: add heartbeat check
Most of our firmware has a heartbeat feature that the driver can watch for to see if the FW is still alive and likely to answer a dev_cmd or AdminQ request. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_dev.h')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_dev.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 9610aeb7d5f4..1ffb3e4dec5d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -123,6 +123,9 @@ struct ionic_dev {
union ionic_dev_info_regs __iomem *dev_info_regs;
union ionic_dev_cmd_regs __iomem *dev_cmd_regs;
+ unsigned long last_hb_time;
+ u32 last_hb;
+
u64 __iomem *db_pages;
dma_addr_t phy_db_pages;
@@ -295,5 +298,6 @@ void ionic_q_post(struct ionic_queue *q, bool ring_doorbell, ionic_desc_cb cb,
void ionic_q_rewind(struct ionic_queue *q, struct ionic_desc_info *start);
void ionic_q_service(struct ionic_queue *q, struct ionic_cq_info *cq_info,
unsigned int stop_index);
+int ionic_heartbeat_check(struct ionic *ionic);
#endif /* _IONIC_DEV_H_ */