bnge_resc.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2025 Broadcom */
 3
 4#ifndef _BNGE_RESC_H_
 5#define _BNGE_RESC_H_
 6
 7#include "bnge_netdev.h"
 8#include "bnge_rmem.h"
 9
10struct bnge_hw_resc {
11	u16	min_rsscos_ctxs;
12	u16	max_rsscos_ctxs;
13	u16	resv_rsscos_ctxs;
14	u16	min_cp_rings;
15	u16	max_cp_rings;
16	u16	resv_cp_rings;
17	u16	min_tx_rings;
18	u16	max_tx_rings;
19	u16	resv_tx_rings;
20	u16	max_tx_sch_inputs;
21	u16	min_rx_rings;
22	u16	max_rx_rings;
23	u16	resv_rx_rings;
24	u16	min_hw_ring_grps;
25	u16	max_hw_ring_grps;
26	u16	resv_hw_ring_grps;
27	u16	min_l2_ctxs;
28	u16	max_l2_ctxs;
29	u16	min_vnics;
30	u16	max_vnics;
31	u16	resv_vnics;
32	u16	min_stat_ctxs;
33	u16	max_stat_ctxs;
34	u16	resv_stat_ctxs;
35	u16	max_nqs;
36	u16	max_irqs;
37	u16	resv_irqs;
38	u32	max_encap_records;
39	u32	max_decap_records;
40	u32	max_tx_em_flows;
41	u32	max_tx_wm_flows;
42	u32	max_rx_em_flows;
43	u32	max_rx_wm_flows;
44};
45
46struct bnge_hw_rings {
47	u16 tx;
48	u16 rx;
49	u16 grp;
50	u16 nq;
51	u16 cmpl;
52	u16 stat;
53	u16 vnic;
54	u16 rss_ctx;
55};
56
57/* "TXRX", 2 hypens, plus maximum integer */
58#define BNGE_IRQ_NAME_EXTRA	17
59struct bnge_irq {
60	irq_handler_t	handler;
61	unsigned int	vector;
62	u8		requested:1;
63	u8		have_cpumask:1;
64	char		name[IFNAMSIZ + BNGE_IRQ_NAME_EXTRA];
65	cpumask_var_t	cpu_mask;
66};
67
68int bnge_reserve_rings(struct bnge_dev *bd);
69int bnge_fix_rings_count(u16 *rx, u16 *tx, u16 max, bool shared);
70int bnge_alloc_irqs(struct bnge_dev *bd);
71void bnge_free_irqs(struct bnge_dev *bd);
72int bnge_net_init_dflt_config(struct bnge_dev *bd);
73void bnge_net_uninit_dflt_config(struct bnge_dev *bd);
74void bnge_aux_init_dflt_config(struct bnge_dev *bd);
75u32 bnge_get_rxfh_indir_size(struct bnge_dev *bd);
76int bnge_cal_nr_rss_ctxs(u16 rx_rings);
77bool bnge_aux_has_enough_resources(struct bnge_dev *bd);
78
79static inline u32
80bnge_adjust_pow_two(u32 total_ent, u16 ent_per_blk)
81{
82	u32 blks = total_ent / ent_per_blk;
83
84	if (blks == 0 || blks == 1)
85		return ++blks;
86
87	if (!is_power_of_2(blks))
88		blks = roundup_pow_of_two(blks);
89
90	return blks;
91}
92
93#define BNGE_MAX_ROCE_MSIX		64
94#define BNGE_MIN_ROCE_CP_RINGS		2
95#define BNGE_MIN_ROCE_STAT_CTXS		1
96
97#endif /* _BNGE_RESC_H_ */