summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/intel/iavf/iavf_client.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/intel/iavf/iavf_client.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_client.h')
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_client.h169
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 000000000..9a7cf39ea
--- /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[1];
+};
+
+#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_IWARP 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_ */