/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2025 Broadcom */ #ifndef _BNGE_AUXR_H_ #define _BNGE_AUXR_H_ #include <linux/auxiliary_bus.h> #define BNGE_MIN_ROCE_CP_RINGS 2 #define BNGE_MIN_ROCE_STAT_CTXS 1 #define BNGE_MAX_ROCE_MSIX 64 struct hwrm_async_event_cmpl; struct bnge; struct bnge_msix_info { u32 vector; u32 ring_idx; u32 db_offset; }; struct bnge_fw_msg { void *msg; int msg_len; void *resp; int resp_max_len; int timeout; }; struct bnge_auxr_info { void *handle; u16 msix_requested; }; enum { BNGE_ARDEV_ROCEV1_SUPP = BIT(0), BNGE_ARDEV_ROCEV2_SUPP = BIT(1), BNGE_ARDEV_MSIX_ALLOC = BIT(2), }; #define BNGE_ARDEV_ROCE_SUPP (BNGE_ARDEV_ROCEV1_SUPP | \ BNGE_ARDEV_ROCEV2_SUPP) struct bnge_auxr_dev { struct net_device *net; struct pci_dev *pdev; void __iomem *bar0; struct bnge_msix_info msix_info[BNGE_MAX_ROCE_MSIX]; u32 flags; struct bnge_auxr_info *auxr_info; /* Doorbell BAR size in bytes mapped by L2 driver. */ int l2_db_size; /* Doorbell BAR size in bytes mapped as non-cacheable. */ int l2_db_size_nc; /* Doorbell offset in bytes within l2_db_size_nc. */ int l2_db_offset; u16 chip_num; u16 hw_ring_stats_size; u16 pf_port_id; unsigned long en_state; u16 auxr_num_msix_vec; u16 auxr_num_ctxs; /* serialize auxr operations */ struct mutex auxr_dev_lock; }; void bnge_rdma_aux_device_uninit(struct bnge_dev *bdev); void bnge_rdma_aux_device_del(struct bnge_dev *bdev); void bnge_rdma_aux_device_add(struct bnge_dev *bdev); void bnge_rdma_aux_device_init(struct bnge_dev *bdev); int bnge_register_dev(struct bnge_auxr_dev *adev, void *handle); void bnge_unregister_dev(struct bnge_auxr_dev *adev); int bnge_send_msg(struct bnge_auxr_dev *adev, struct bnge_fw_msg *fw_msg); #endif /* _BNGE_AUXR_H_ */