Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 169 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/iavf/iavf_client.h b/drivers/net/ethernet/intel/iavf/iavf_client.h
new file mode 100644
index 0000000000..500269bc0f
--- /dev/null
+++ b/drivers/net/ethernet/intel/iavf/iavf_client.h
@@ -0,0 +1,169 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2013 - 2018 Intel Corporation. */
+
+#ifndef _IAVF_CLIENT_H_
+#define _IAVF_CLIENT_H_
+
+#define IAVF_CLIENT_STR_LENGTH 10
+
+/* Client interface version should be updated anytime there is a change in the
+ * existing APIs or data structures.
+ */
+#define IAVF_CLIENT_VERSION_MAJOR 0
+#define IAVF_CLIENT_VERSION_MINOR 01
+#define IAVF_CLIENT_VERSION_BUILD 00
+#define IAVF_CLIENT_VERSION_STR     \
+	__stringify(IAVF_CLIENT_VERSION_MAJOR) "." \
+	__stringify(IAVF_CLIENT_VERSION_MINOR) "." \
+	__stringify(IAVF_CLIENT_VERSION_BUILD)
+
+struct iavf_client_version {
+	u8 major;
+	u8 minor;
+	u8 build;
+	u8 rsvd;
+};
+
+enum iavf_client_state {
+	__IAVF_CLIENT_NULL,
+	__IAVF_CLIENT_REGISTERED
+};
+
+enum iavf_client_instance_state {
+	__IAVF_CLIENT_INSTANCE_NONE,
+	__IAVF_CLIENT_INSTANCE_OPENED,
+};
+
+struct iavf_ops;
+struct iavf_client;
+
+/* HW does not define a type value for AEQ; only for RX/TX and CEQ.
+ * In order for us to keep the interface simple, SW will define a
+ * unique type value for AEQ.
+ */
+#define IAVF_QUEUE_TYPE_PE_AEQ	0x80
+#define IAVF_QUEUE_INVALID_IDX	0xFFFF
+
+struct iavf_qv_info {
+	u32 v_idx; /* msix_vector */
+	u16 ceq_idx;
+	u16 aeq_idx;
+	u8 itr_idx;
+};
+
+struct iavf_qvlist_info {
+	u32 num_vectors;
+	struct iavf_qv_info qv_info[];
+};
+
+#define IAVF_CLIENT_MSIX_ALL 0xFFFFFFFF
+
+/* set of LAN parameters useful for clients managed by LAN */
+
+/* Struct to hold per priority info */
+struct iavf_prio_qos_params {
+	u16 qs_handle; /* qs handle for prio */
+	u8 tc; /* TC mapped to prio */
+	u8 reserved;
+};
+
+#define IAVF_CLIENT_MAX_USER_PRIORITY	8
+/* Struct to hold Client QoS */
+struct iavf_qos_params {
+	struct iavf_prio_qos_params prio_qos[IAVF_CLIENT_MAX_USER_PRIORITY];
+};
+
+struct iavf_params {
+	struct iavf_qos_params qos;
+	u16 mtu;
+	u16 link_up; /* boolean */
+};
+
+/* Structure to hold LAN device info for a client device */
+struct iavf_info {
+	struct iavf_client_version version;
+	u8 lanmac[6];
+	struct net_device *netdev;
+	struct pci_dev *pcidev;
+	u8 __iomem *hw_addr;
+	u8 fid;	/* function id, PF id or VF id */
+#define IAVF_CLIENT_FTYPE_PF 0
+#define IAVF_CLIENT_FTYPE_VF 1
+	u8 ftype; /* function type, PF or VF */
+	void *vf; /* cast to iavf_adapter */
+
+	/* All L2 params that could change during the life span of the device
+	 * and needs to be communicated to the client when they change
+	 */
+	struct iavf_params params;
+	struct iavf_ops *ops;
+
+	u16 msix_count;	 /* number of msix vectors*/
+	/* Array down below will be dynamically allocated based on msix_count */
+	struct msix_entry *msix_entries;
+	u16 itr_index; /* Which ITR index the PE driver is suppose to use */
+};
+
+struct iavf_ops {
+	/* setup_q_vector_list enables queues with a particular vector */
+	int (*setup_qvlist)(struct iavf_info *ldev, struct iavf_client *client,
+			    struct iavf_qvlist_info *qv_info);
+
+	u32 (*virtchnl_send)(struct iavf_info *ldev, struct iavf_client *client,
+			     u8 *msg, u16 len);
+
+	/* If the PE Engine is unresponsive, RDMA driver can request a reset.*/
+	void (*request_reset)(struct iavf_info *ldev,
+			      struct iavf_client *client);
+};
+
+struct iavf_client_ops {
+	/* Should be called from register_client() or whenever the driver is
+	 * ready to create a specific client instance.
+	 */
+	int (*open)(struct iavf_info *ldev, struct iavf_client *client);
+
+	/* Should be closed when netdev is unavailable or when unregister
+	 * call comes in. If the close happens due to a reset, set the reset
+	 * bit to true.
+	 */
+	void (*close)(struct iavf_info *ldev, struct iavf_client *client,
+		      bool reset);
+
+	/* called when some l2 managed parameters changes - mss */
+	void (*l2_param_change)(struct iavf_info *ldev,
+				struct iavf_client *client,
+				struct iavf_params *params);
+
+	/* called when a message is received from the PF */
+	int (*virtchnl_receive)(struct iavf_info *ldev,
+				struct iavf_client *client,
+				u8 *msg, u16 len);
+};
+
+/* Client device */
+struct iavf_client_instance {
+	struct list_head list;
+	struct iavf_info lan_info;
+	struct iavf_client *client;
+	unsigned long  state;
+};
+
+struct iavf_client {
+	struct list_head list;		/* list of registered clients */
+	char name[IAVF_CLIENT_STR_LENGTH];
+	struct iavf_client_version version;
+	unsigned long state;		/* client state */
+	atomic_t ref_cnt;  /* Count of all the client devices of this kind */
+	u32 flags;
+#define IAVF_CLIENT_FLAGS_LAUNCH_ON_PROBE	BIT(0)
+#define IAVF_TX_FLAGS_NOTIFY_OTHER_EVENTS	BIT(2)
+	u8 type;
+#define IAVF_CLIENT_RDMA 0
+	struct iavf_client_ops *ops;	/* client ops provided by the client */
+};
+
+/* used by clients */
+int iavf_register_client(struct iavf_client *client);
+int iavf_unregister_client(struct iavf_client *client);
+#endif /* _IAVF_CLIENT_H_ */