hmc.h

  1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
  2/* Copyright (c) 2015 - 2020 Intel Corporation */
  3#ifndef IRDMA_HMC_H
  4#define IRDMA_HMC_H
  5
  6#include "defs.h"
  7
  8#define IRDMA_HMC_MAX_BP_COUNT			512
  9#define IRDMA_MAX_SD_ENTRIES			11
 10#define IRDMA_HW_DBG_HMC_INVALID_BP_MARK	0xca
 11#define IRDMA_HMC_INFO_SIGNATURE		0x484d5347
 12#define IRDMA_HMC_PD_CNT_IN_SD			512
 13#define IRDMA_HMC_DIRECT_BP_SIZE		0x200000
 14#define IRDMA_HMC_MAX_SD_COUNT			8192
 15#define IRDMA_HMC_PAGED_BP_SIZE			4096
 16#define IRDMA_HMC_PD_BP_BUF_ALIGNMENT		4096
 17#define IRDMA_FIRST_VF_FPM_ID			8
 18#define FPM_MULTIPLIER				1024
 19#define IRDMA_OBJ_LOC_MEM_BIT			0x4
 20#define IRDMA_XF_MULTIPLIER			16
 21#define IRDMA_RRF_MULTIPLIER			8
 22#define IRDMA_MIN_PBLE_PAGES			3
 23#define IRDMA_HMC_PAGE_SIZE			2097152
 24#define IRDMA_MIN_MR_PER_QP			4
 25#define IRDMA_MIN_QP_CNT			64
 26#define IRDMA_FSIAV_CNT_MAX			1048576
 27#define IRDMA_MIN_IRD				8
 28#define IRDMA_HMC_MIN_RRF			16
 29
 30enum irdma_hmc_rsrc_type {
 31	IRDMA_HMC_IW_QP		 = 0,
 32	IRDMA_HMC_IW_CQ		 = 1,
 33	IRDMA_HMC_IW_SRQ	 = 2,
 34	IRDMA_HMC_IW_HTE	 = 3,
 35	IRDMA_HMC_IW_ARP	 = 4,
 36	IRDMA_HMC_IW_APBVT_ENTRY = 5,
 37	IRDMA_HMC_IW_MR		 = 6,
 38	IRDMA_HMC_IW_XF		 = 7,
 39	IRDMA_HMC_IW_XFFL	 = 8,
 40	IRDMA_HMC_IW_Q1		 = 9,
 41	IRDMA_HMC_IW_Q1FL	 = 10,
 42	IRDMA_HMC_IW_TIMER       = 11,
 43	IRDMA_HMC_IW_FSIMC       = 12,
 44	IRDMA_HMC_IW_FSIAV       = 13,
 45	IRDMA_HMC_IW_PBLE	 = 14,
 46	IRDMA_HMC_IW_RRF	 = 15,
 47	IRDMA_HMC_IW_RRFFL       = 16,
 48	IRDMA_HMC_IW_HDR	 = 17,
 49	IRDMA_HMC_IW_MD		 = 18,
 50	IRDMA_HMC_IW_OOISC       = 19,
 51	IRDMA_HMC_IW_OOISCFFL    = 20,
 52	IRDMA_HMC_IW_MAX, /* Must be last entry */
 53};
 54
 55enum irdma_sd_entry_type {
 56	IRDMA_SD_TYPE_INVALID = 0,
 57	IRDMA_SD_TYPE_PAGED   = 1,
 58	IRDMA_SD_TYPE_DIRECT  = 2,
 59};
 60
 61enum irdma_hmc_obj_mem {
 62	IRDMA_HOST_MEM = 0,
 63	IRDMA_LOC_MEM  = 1,
 64};
 65
 66struct irdma_hmc_obj_info {
 67	u64 base;
 68	u32 max_cnt;
 69	u32 cnt;
 70	u64 size;
 71	enum irdma_hmc_obj_mem mem_loc;
 72};
 73
 74struct irdma_hmc_bp {
 75	enum irdma_sd_entry_type entry_type;
 76	struct irdma_dma_mem addr;
 77	u32 sd_pd_index;
 78	u32 use_cnt;
 79};
 80
 81struct irdma_hmc_pd_entry {
 82	struct irdma_hmc_bp bp;
 83	u32 sd_index;
 84	bool rsrc_pg:1;
 85	bool valid:1;
 86};
 87
 88struct irdma_hmc_pd_table {
 89	struct irdma_dma_mem pd_page_addr;
 90	struct irdma_hmc_pd_entry *pd_entry;
 91	struct irdma_virt_mem pd_entry_virt_mem;
 92	u32 use_cnt;
 93	u32 sd_index;
 94};
 95
 96struct irdma_hmc_sd_entry {
 97	enum irdma_sd_entry_type entry_type;
 98	bool valid;
 99	union {
100		struct irdma_hmc_pd_table pd_table;
101		struct irdma_hmc_bp bp;
102	} u;
103};
104
105struct irdma_hmc_sd_table {
106	struct irdma_virt_mem addr;
107	u32 sd_cnt;
108	u32 use_cnt;
109	struct irdma_hmc_sd_entry *sd_entry;
110};
111
112struct irdma_hmc_info {
113	u32 signature;
114	u8 hmc_fn_id;
115	u16 first_sd_index;
116	struct irdma_hmc_obj_info *hmc_obj;
117	struct irdma_virt_mem hmc_obj_virt_mem;
118	struct irdma_hmc_sd_table sd_table;
119	u16 sd_indexes[IRDMA_HMC_MAX_SD_COUNT];
120};
121
122struct irdma_update_sd_entry {
123	u64 cmd;
124	u64 data;
125};
126
127struct irdma_update_sds_info {
128	u32 cnt;
129	u8 hmc_fn_id;
130	struct irdma_update_sd_entry entry[IRDMA_MAX_SD_ENTRIES];
131};
132
133struct irdma_ccq_cqe_info;
134struct irdma_hmc_fcn_info {
135	u32 vf_id;
136	u8 protocol_used;
137	u8 free_fcn;
138};
139
140struct irdma_hmc_create_obj_info {
141	struct irdma_hmc_info *hmc_info;
142	struct irdma_virt_mem add_sd_virt_mem;
143	u32 rsrc_type;
144	u32 start_idx;
145	u32 count;
146	u32 add_sd_cnt;
147	enum irdma_sd_entry_type entry_type;
148	bool privileged;
149};
150
151struct irdma_hmc_del_obj_info {
152	struct irdma_hmc_info *hmc_info;
153	struct irdma_virt_mem del_sd_virt_mem;
154	u32 rsrc_type;
155	u32 start_idx;
156	u32 count;
157	u32 del_sd_cnt;
158	bool privileged;
159};
160
161int irdma_copy_dma_mem(struct irdma_hw *hw, void *dest_buf,
162		       struct irdma_dma_mem *src_mem, u64 src_offset, u64 size);
163int irdma_sc_create_hmc_obj(struct irdma_sc_dev *dev,
164			    struct irdma_hmc_create_obj_info *info);
165int irdma_sc_del_hmc_obj(struct irdma_sc_dev *dev,
166			 struct irdma_hmc_del_obj_info *info, bool reset);
167int irdma_hmc_sd_one(struct irdma_sc_dev *dev, u8 hmc_fn_id, u64 pa, u32 sd_idx,
168		     enum irdma_sd_entry_type type,
169		     bool setsd);
170int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
171			   struct irdma_update_sds_info *info);
172struct irdma_vfdev *irdma_vfdev_from_fpm(struct irdma_sc_dev *dev,
173					 u8 hmc_fn_id);
174struct irdma_hmc_info *irdma_vf_hmcinfo_from_fpm(struct irdma_sc_dev *dev,
175						 u8 hmc_fn_id);
176int irdma_add_sd_table_entry(struct irdma_hw *hw,
177			     struct irdma_hmc_info *hmc_info, u32 sd_index,
178			     enum irdma_sd_entry_type type, u64 direct_mode_sz);
179int irdma_add_pd_table_entry(struct irdma_sc_dev *dev,
180			     struct irdma_hmc_info *hmc_info, u32 pd_index,
181			     struct irdma_dma_mem *rsrc_pg);
182int irdma_remove_pd_bp(struct irdma_sc_dev *dev,
183		       struct irdma_hmc_info *hmc_info, u32 idx);
184int irdma_prep_remove_sd_bp(struct irdma_hmc_info *hmc_info, u32 idx);
185int irdma_prep_remove_pd_page(struct irdma_hmc_info *hmc_info, u32 idx);
186#endif /* IRDMA_HMC_H */