1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2015 - 2019 Intel Corporation */
#ifndef IRDMA_PBLE_H
#define IRDMA_PBLE_H
#define PBLE_SHIFT 6
#define PBLE_PER_PAGE 512
#define HMC_PAGED_BP_SHIFT 12
#define PBLE_512_SHIFT 9
#define PBLE_INVALID_IDX 0xffffffff
enum irdma_pble_level {
PBLE_LEVEL_0 = 0,
PBLE_LEVEL_1 = 1,
PBLE_LEVEL_2 = 2,
};
enum irdma_alloc_type {
PBLE_NO_ALLOC = 0,
PBLE_SD_CONTIGOUS = 1,
PBLE_SD_PAGED = 2,
};
struct irdma_chunk;
struct irdma_pble_chunkinfo {
struct irdma_chunk *pchunk;
u64 bit_idx;
u64 bits_used;
};
struct irdma_pble_info {
u64 *addr;
u32 idx;
u32 cnt;
struct irdma_pble_chunkinfo chunkinfo;
};
struct irdma_pble_level2 {
struct irdma_pble_info root;
struct irdma_pble_info *leaf;
struct irdma_virt_mem leafmem;
u32 leaf_cnt;
};
struct irdma_pble_alloc {
u32 total_cnt;
enum irdma_pble_level level;
union {
struct irdma_pble_info level1;
struct irdma_pble_level2 level2;
};
};
struct sd_pd_idx {
u32 sd_idx;
u32 pd_idx;
u32 rel_pd_idx;
};
struct irdma_add_page_info {
struct irdma_chunk *chunk;
struct irdma_hmc_sd_entry *sd_entry;
struct irdma_hmc_info *hmc_info;
struct sd_pd_idx idx;
u32 pages;
};
struct irdma_chunk {
struct list_head list;
struct irdma_dma_info dmainfo;
unsigned long *bitmapbuf;
u32 sizeofbitmap;
u64 size;
void *vaddr;
u64 fpm_addr;
u32 pg_cnt;
enum irdma_alloc_type type;
struct irdma_sc_dev *dev;
struct irdma_virt_mem chunkmem;
};
struct irdma_pble_prm {
struct list_head clist;
spinlock_t prm_lock; /* protect prm bitmap */
u64 total_pble_alloc;
u64 free_pble_cnt;
u8 pble_shift;
};
struct irdma_hmc_pble_rsrc {
u32 unallocated_pble;
struct mutex pble_mutex_lock; /* protect PBLE resource */
struct irdma_sc_dev *dev;
u64 fpm_base_addr;
u64 next_fpm_addr;
struct irdma_pble_prm pinfo;
u64 allocdpbles;
u64 freedpbles;
u32 stats_direct_sds;
u32 stats_paged_sds;
u64 stats_alloc_ok;
u64 stats_alloc_fail;
u64 stats_alloc_freed;
u64 stats_lvl1;
u64 stats_lvl2;
};
void irdma_destroy_pble_prm(struct irdma_hmc_pble_rsrc *pble_rsrc);
int irdma_hmc_init_pble(struct irdma_sc_dev *dev,
struct irdma_hmc_pble_rsrc *pble_rsrc);
void irdma_free_pble(struct irdma_hmc_pble_rsrc *pble_rsrc,
struct irdma_pble_alloc *palloc);
int irdma_get_pble(struct irdma_hmc_pble_rsrc *pble_rsrc,
struct irdma_pble_alloc *palloc, u32 pble_cnt,
u8 lvl);
int irdma_prm_add_pble_mem(struct irdma_pble_prm *pprm,
struct irdma_chunk *pchunk);
int irdma_prm_get_pbles(struct irdma_pble_prm *pprm,
struct irdma_pble_chunkinfo *chunkinfo, u64 mem_size,
u64 **vaddr, u64 *fpm_addr);
void irdma_prm_return_pbles(struct irdma_pble_prm *pprm,
struct irdma_pble_chunkinfo *chunkinfo);
void irdma_pble_acquire_lock(struct irdma_hmc_pble_rsrc *pble_rsrc,
unsigned long *flags);
void irdma_pble_release_lock(struct irdma_hmc_pble_rsrc *pble_rsrc,
unsigned long *flags);
void irdma_pble_free_paged_mem(struct irdma_chunk *chunk);
int irdma_pble_get_paged_mem(struct irdma_chunk *chunk, u32 pg_cnt);
void irdma_prm_rem_bitmapmem(struct irdma_hw *hw, struct irdma_chunk *chunk);
#endif /* IRDMA_PBLE_H */
|
