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f290d48f02
Enable initial support for the devlink interface with the ixd driver. The
ixd hardware is a single function PCIe device. So, the PCIe adapter gets
its own devlink instance to manage device-wide resources or configuration.
$ devlink dev show
pci/0000:83:00.6
$ devlink dev info pci/0000:83:00.6
pci/0000:83:00.6:
driver ixd
serial_number 00-a0-c9-ff-ff-23-45-67
versions:
fixed:
device.type MEV
running:
fw.mgmt.api 2.0
Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Bharath R <Bharath.r@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (C) 2025 Intel Corporation */
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#ifndef _IXD_H_
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#define _IXD_H_
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#include <linux/net/intel/libie/controlq.h>
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#define IXD_INIT_TASK_DELAY_JIFFIES msecs_to_jiffies(500)
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/**
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* struct ixd_adapter - Data structure representing a CPF
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* @cp_ctx: Control plane communication context
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* @init_task: Delayed initialization after reset
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* @init_task.init_work: Delayed initialization work
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* @init_task.reset_retries: How many times to check, whether reset is completed
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* @init_task.vc_retries: Number of retries to establish mailbox communication
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* @init_task.success: init_work completion status
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* @mbx_task: Control queue Rx handling
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* @xnm: virtchnl transaction manager
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* @asq: Send control queue info
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* @arq: Receive control queue info
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* @vc_ver: Negotiated virtchnl version
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* @vc_ver.major: Negotiated major virtchnl version
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* @vc_ver.minor: Negotiated minor virtchnl version
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* @caps: Negotiated virtchnl capabilities
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*/
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struct ixd_adapter {
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struct libie_ctlq_ctx cp_ctx;
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struct {
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struct delayed_work init_work;
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u8 reset_retries;
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u8 vc_retries;
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bool success;
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} init_task;
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struct delayed_work mbx_task;
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struct libie_ctlq_xn_manager *xnm;
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struct libie_ctlq_info *asq;
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struct libie_ctlq_info *arq;
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struct {
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u32 major;
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u32 minor;
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} vc_ver;
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struct virtchnl2_get_capabilities caps;
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};
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/**
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* ixd_to_dev - Get the corresponding device struct from an adapter
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* @adapter: PCI device driver-specific private data
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*
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* Return: struct device corresponding to the given adapter
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*/
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static inline struct device *ixd_to_dev(struct ixd_adapter *adapter)
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{
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return &adapter->cp_ctx.mmio_info.pdev->dev;
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}
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void ixd_ctlq_reg_init(struct ixd_adapter *adapter,
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struct libie_ctlq_reg *ctlq_reg_tx,
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struct libie_ctlq_reg *ctlq_reg_rx);
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void ixd_trigger_reset(struct ixd_adapter *adapter);
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bool ixd_check_reset_complete(struct ixd_adapter *adapter);
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void ixd_init_task(struct work_struct *work);
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int ixd_init_dflt_mbx(struct ixd_adapter *adapter);
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void ixd_deinit_dflt_mbx(struct ixd_adapter *adapter);
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#endif /* _IXD_H_ */
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