diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixd/ixd.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ixd/ixd.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixd/ixd.h b/drivers/net/ethernet/intel/ixd/ixd.h new file mode 100644 index 000000000000..2a09ccba13d5 --- /dev/null +++ b/drivers/net/ethernet/intel/ixd/ixd.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (C) 2025 Intel Corporation */ + +#ifndef _IXD_H_ +#define _IXD_H_ + +#include <linux/net/intel/libie/controlq.h> + +#define IXD_INIT_TASK_DELAY_JIFFIES msecs_to_jiffies(500) + +/** + * struct ixd_adapter - Data structure representing a CPF + * @cp_ctx: Control plane communication context + * @init_task: Delayed initialization after reset + * @init_task.init_work: Delayed initialization work + * @init_task.reset_retries: How many times to check, whether reset is completed + * @init_task.vc_retries: Number of retries to establish mailbox communication + * @init_task.success: init_work completion status + * @mbx_task: Control queue Rx handling + * @xnm: virtchnl transaction manager + * @asq: Send control queue info + * @arq: Receive control queue info + * @vc_ver: Negotiated virtchnl version + * @vc_ver.major: Negotiated major virtchnl version + * @vc_ver.minor: Negotiated minor virtchnl version + * @caps: Negotiated virtchnl capabilities + */ +struct ixd_adapter { + struct libie_ctlq_ctx cp_ctx; + struct { + struct delayed_work init_work; + u8 reset_retries; + u8 vc_retries; + bool success; + } init_task; + struct delayed_work mbx_task; + struct libie_ctlq_xn_manager *xnm; + struct libie_ctlq_info *asq; + struct libie_ctlq_info *arq; + struct { + u32 major; + u32 minor; + } vc_ver; + struct virtchnl2_get_capabilities caps; +}; + +/** + * ixd_to_dev - Get the corresponding device struct from an adapter + * @adapter: PCI device driver-specific private data + * + * Return: struct device corresponding to the given adapter + */ +static inline struct device *ixd_to_dev(struct ixd_adapter *adapter) +{ + return &adapter->cp_ctx.mmio_info.pdev->dev; +} + +void ixd_ctlq_reg_init(struct ixd_adapter *adapter, + struct libie_ctlq_reg *ctlq_reg_tx, + struct libie_ctlq_reg *ctlq_reg_rx); +void ixd_trigger_reset(struct ixd_adapter *adapter); +bool ixd_check_reset_complete(struct ixd_adapter *adapter); +void ixd_init_task(struct work_struct *work); +int ixd_init_dflt_mbx(struct ixd_adapter *adapter); +void ixd_deinit_dflt_mbx(struct ixd_adapter *adapter); + +#endif /* _IXD_H_ */ |