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Message-Id: <20200216231158.5678-5-snelson@pensando.io>
Date: Sun, 16 Feb 2020 15:11:53 -0800
From: Shannon Nelson <snelson@...sando.io>
To: davem@...emloft.net, netdev@...r.kernel.org
Cc: Shannon Nelson <snelson@...sando.io>
Subject: [PATCH net-next 4/9] ionic: add event queue definitions to hw interface
Define the hw interface and driver structures for the Event
Queue operations.
Signed-off-by: Shannon Nelson <snelson@...sando.io>
---
drivers/net/ethernet/pensando/ionic/ionic.h | 2 ++
.../net/ethernet/pensando/ionic/ionic_dev.h | 22 +++++++++++++++++
.../net/ethernet/pensando/ionic/ionic_if.h | 24 +++++++++++++++++++
3 files changed, 48 insertions(+)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index e5a2a44d9308..faf2b748bd20 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -47,6 +47,8 @@ struct ionic {
struct ionic_identity ident;
struct xarray lifs;
struct ionic_lif *master_lif;
+ struct ionic_eq **eqs;
+ unsigned int neth_eqs;
unsigned int nnqs_per_lif;
unsigned int nrdma_eqs_per_lif;
unsigned int ntxqs_per_lif;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 7838e342c4fd..d40be30536ae 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -232,6 +232,28 @@ struct ionic_cq {
unsigned int desc_size;
};
+struct ionic_eq_ring {
+ struct ionic_eq_comp *base;
+ dma_addr_t base_pa;
+
+ int index;
+ u8 gen_color; /* generation counter */
+};
+
+struct ionic_eq {
+ struct ionic *ionic;
+ struct ionic_eq_ring ring[2];
+ struct ionic_intr_info intr;
+
+ int index;
+ int depth;
+
+ bool is_init;
+};
+
+#define IONIC_EQ_DEPTH 0x1000
+#define IONIC_MAX_ETH_EQS 64
+
struct ionic;
static inline void ionic_intr_init(struct ionic_dev *idev,
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h
index ce07c2931a72..72a4c0448afc 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h
@@ -277,6 +277,7 @@ union ionic_dev_identity {
__le32 ndbpgs_per_lif;
__le32 intr_coal_mult;
__le32 intr_coal_div;
+ __le32 eq_count;
};
__le32 words[512];
};
@@ -2392,6 +2393,7 @@ union ionic_dev_cmd {
struct ionic_qos_reset_cmd qos_reset;
struct ionic_q_init_cmd q_init;
+ struct ionic_q_control_cmd q_control;
};
union ionic_dev_cmd_comp {
@@ -2565,6 +2567,28 @@ union ionic_notifyq_comp {
struct ionic_log_event log;
};
+/**
+ * struct ionic_eq_comp - Event queue completion descriptor
+ *
+ * @code: Event code, see enum ionic_eq_comp_code.
+ * @lif_index: To which lif the event pertains.
+ * @qid: To which queue id the event pertains.
+ * @gen_color: Event queue wrap counter, init 1, incr each wrap.
+ */
+struct ionic_eq_comp {
+ __le16 code;
+ __le16 lif_index;
+ __le32 qid;
+ u8 rsvd[7];
+ u8 gen_color;
+};
+
+enum ionic_eq_comp_code {
+ IONIC_EQ_COMP_CODE_NONE = 0,
+ IONIC_EQ_COMP_CODE_RX_COMP = 1,
+ IONIC_EQ_COMP_CODE_TX_COMP = 2,
+};
+
/* Deprecate */
struct ionic_identity {
union ionic_drv_identity drv;
--
2.17.1
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