[dpdk-dev] [PATCH RFC 1/8] common/iavf: add large queue VC ops

[Gordon@dpdk.org, Noonan@dpdk.org, gordon.noonan@intel.com]

From: Qi Zhang <qi.z.zhang@intel.com>

Add VC ops to support 64 queue

VIRTCHNL_OP_ENABLE_LARGE_QUEUES
VIRTCHNL_OP_DISABLE_LARGE_QUEUES
VIRTCHNL_OP_CONFIG_LARGE_IRQ_MAP

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/common/iavf/virtchnl.h | 59 ++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/drivers/common/iavf/virtchnl.h b/drivers/common/iavf/virtchnl.h
index 79515ee8b..5b0455fb4 100644
--- a/drivers/common/iavf/virtchnl.h
+++ b/drivers/common/iavf/virtchnl.h
@@ -140,6 +140,9 @@ enum virtchnl_ops {
 	VIRTCHNL_OP_ADD_FDIR_FILTER = 47,
 	VIRTCHNL_OP_DEL_FDIR_FILTER = 48,
 	VIRTCHNL_OP_QUERY_FDIR_FILTER = 49,
+	VIRTCHNL_OP_ENABLE_LARGE_QUEUES = 50,
+	VIRTCHNL_OP_DISABLE_LARGE_QUEUES = 51,
+	VIRTCHNL_OP_CONFIG_LARGE_IRQ_MAP = 52,
 };
 
 /* These macros are used to generate compilation errors if a structure/union
@@ -258,6 +261,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource);
 #define VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC	0X04000000
 #define VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF		0X08000000
 #define VIRTCHNL_VF_OFFLOAD_FDIR_PF		0X10000000
+#define VIRTCHNL_VF_OFFLOAD_LARGE_VF		0X20000000
 	/* 0X80000000 is reserved */
 
 /* Define below the capability flags that are not offloads */
@@ -396,6 +400,18 @@ struct virtchnl_vector_map {
 
 VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_vector_map);
 
+struct virtchnl_large_vector_map {
+	u64 rxq_map;
+	u64 txq_map;
+	u16 vsi_id;
+	u16 vector_id;
+	u16 rxitr_idx;
+	u16 txitr_idx;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_large_vector_map);
+
+
 struct virtchnl_irq_map_info {
 	u16 num_vectors;
 	struct virtchnl_vector_map vecmap[1];
@@ -403,6 +419,14 @@ struct virtchnl_irq_map_info {
 
 VIRTCHNL_CHECK_STRUCT_LEN(14, virtchnl_irq_map_info);
 
+struct virtchnl_large_irq_map_info {
+	u16 num_vectors;
+	struct virtchnl_large_vector_map vecmap[1];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(32, virtchnl_large_irq_map_info);
+
+
 /* VIRTCHNL_OP_ENABLE_QUEUES
  * VIRTCHNL_OP_DISABLE_QUEUES
  * VF sends these message to enable or disable TX/RX queue pairs.
@@ -423,6 +447,16 @@ struct virtchnl_queue_select {
 
 VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_queue_select);
 
+struct virtchnl_large_queue_select {
+	u64 rx_queues;
+	u64 tx_queues;
+	u16 vsi_id;
+	u16 pad;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_large_queue_select);
+
+
 /* VIRTCHNL_OP_ADD_ETH_ADDR
  * VF sends this message in order to add one or more unicast or multicast
  * address filters for the specified VSI.
@@ -771,6 +805,10 @@ enum virtchnl_vector_limits {
 	VIRTCHNL_OP_ENABLE_CHANNELS_MAX		=
 		((u16)(~0) - sizeof(struct virtchnl_tc_info)) /
 		sizeof(struct virtchnl_channel_info),
+
+	VIRTCHNL_OP_CONFIG_LARGE_IRQ_MAP_MAX		=
+		((u16)(~0) - sizeof(struct virtchnl_large_irq_map_info)) /
+		sizeof(struct virtchnl_large_vector_map),
 };
 
 /* VF reset states - these are written into the RSTAT register:
@@ -1163,10 +1201,31 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
 				      sizeof(struct virtchnl_vector_map));
 		}
 		break;
+	case VIRTCHNL_OP_CONFIG_LARGE_IRQ_MAP:
+		valid_len = sizeof(struct virtchnl_large_irq_map_info);
+		if (msglen >= valid_len) {
+			struct virtchnl_large_irq_map_info *vimi =
+			    (struct virtchnl_large_irq_map_info *)msg;
+
+			if (vimi->num_vectors == 0 || vimi->num_vectors >
+			    VIRTCHNL_OP_CONFIG_LARGE_IRQ_MAP_MAX) {
+				err_msg_format = true;
+				break;
+			}
+
+			valid_len += (vimi->num_vectors *
+				      sizeof(struct virtchnl_large_vector_map));
+		}
+		break;
+
 	case VIRTCHNL_OP_ENABLE_QUEUES:
 	case VIRTCHNL_OP_DISABLE_QUEUES:
 		valid_len = sizeof(struct virtchnl_queue_select);
 		break;
+	case VIRTCHNL_OP_ENABLE_LARGE_QUEUES:
+	case VIRTCHNL_OP_DISABLE_LARGE_QUEUES:
+		valid_len = sizeof(struct virtchnl_large_queue_select);
+		break;
 	case VIRTCHNL_OP_ADD_ETH_ADDR:
 	case VIRTCHNL_OP_DEL_ETH_ADDR:
 		valid_len = sizeof(struct virtchnl_ether_addr_list);
-- 
2.17.1