diff options
| author |   Shannon Nelson <snelson@pensando.io> | 2019-09-03 15:28:11 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-09-05 09:24:43 +0200 |
| commit | 77ceb68e29ccd25d923b6af59e74ecaf736cc4b7 (patch) | |
| tree | 854c0986487c0d26803f8961462b24c4edf650f6 /drivers/net/ethernet/pensando/ionic/ionic_lif.h | |
| parent | ionic: Add adminq action (diff) | |
| download | linux-dev-77ceb68e29ccd25d923b6af59e74ecaf736cc4b7.tar.xz linux-dev-77ceb68e29ccd25d923b6af59e74ecaf736cc4b7.zip | |
ionic: Add notifyq support
The AdminQ is fine for sending messages and requests to the NIC,
but we also need to have events published from the NIC to the
driver. The NotifyQ handles this for us, using the same interrupt
as AdminQ.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index d897048ae77f..7bbe818893b7 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -7,6 +7,7 @@ #include <linux/pci.h> #define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */ +#define IONIC_NOTIFYQ_LENGTH 64 /* must be a power of two */ #define IONIC_MAX_NUM_NAPI_CNTR (NAPI_POLL_WEIGHT + 1) #define IONIC_MAX_NUM_SG_CNTR (IONIC_TX_MAX_SG_ELEMS + 1) @@ -24,6 +25,7 @@ struct ionic_rx_stats { #define IONIC_QCQ_F_INITED BIT(0) #define IONIC_QCQ_F_SG BIT(1) #define IONIC_QCQ_F_INTR BIT(2) +#define IONIC_QCQ_F_NOTIFYQ BIT(5) struct ionic_napi_stats { u64 poll_count; @@ -76,6 +78,8 @@ struct ionic_lif { u64 __iomem *kern_dbpage; spinlock_t adminq_lock; /* lock for AdminQ operations */ struct ionic_qcq *adminqcq; + struct ionic_qcq *notifyqcq; + u64 last_eid; unsigned int neqs; unsigned int nxqs; |