/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (C) 2023 Intel Corporation */ #ifndef _IDPF_CONTROLQ_H_ #define _IDPF_CONTROLQ_H_ #include <linux/slab.h> #include "idpf_controlq_api.h" /* Maximum buffer length for all control queue types */ #define IDPF_CTLQ_MAX_BUF_LEN … #define IDPF_CTLQ_DESC(R, i) … #define IDPF_CTLQ_DESC_UNUSED(R) … /* Control Queue default settings */ #define IDPF_CTRL_SQ_CMD_TIMEOUT … struct idpf_ctlq_desc { … }; /* Flags sub-structure * |0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 | * |DD |CMP|ERR| * RSV * |FTYPE | *RSV* |RD |VFC|BUF| HOST_ID | */ /* command flags and offsets */ #define IDPF_CTLQ_FLAG_DD_S … #define IDPF_CTLQ_FLAG_CMP_S … #define IDPF_CTLQ_FLAG_ERR_S … #define IDPF_CTLQ_FLAG_FTYPE_S … #define IDPF_CTLQ_FLAG_RD_S … #define IDPF_CTLQ_FLAG_VFC_S … #define IDPF_CTLQ_FLAG_BUF_S … #define IDPF_CTLQ_FLAG_HOST_ID_S … #define IDPF_CTLQ_FLAG_DD … #define IDPF_CTLQ_FLAG_CMP … #define IDPF_CTLQ_FLAG_ERR … #define IDPF_CTLQ_FLAG_FTYPE_VM … #define IDPF_CTLQ_FLAG_FTYPE_PF … #define IDPF_CTLQ_FLAG_RD … #define IDPF_CTLQ_FLAG_VFC … #define IDPF_CTLQ_FLAG_BUF … /* Host ID is a special field that has 3b and not a 1b flag */ #define IDPF_CTLQ_FLAG_HOST_ID_M … struct idpf_mbxq_desc { … }; /* Define the driver hardware struct to replace other control structs as needed * Align to ctlq_hw_info */ struct idpf_hw { … }; int idpf_ctlq_alloc_ring_res(struct idpf_hw *hw, struct idpf_ctlq_info *cq); void idpf_ctlq_dealloc_ring_res(struct idpf_hw *hw, struct idpf_ctlq_info *cq); /* prototype for functions used for dynamic memory allocation */ void *idpf_alloc_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem, u64 size); void idpf_free_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem); #endif /* _IDPF_CONTROLQ_H_ */
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