hfi.h (261a4351844bcacb622d6d498a1bc98242b2db9e) hfi.h (60368186fd853899c1819bcefa47f85fe8d5e5ad)
1#ifndef _HFI1_KERNEL_H
2#define _HFI1_KERNEL_H
3/*
4 * Copyright(c) 2015, 2016 Intel Corporation.
5 *
6 * This file is provided under a dual BSD/GPLv2 license. When using or
7 * redistributing this file, you may do so under either license.
8 *

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167 ssize_t size; /* total size of eager buffers */
168 u32 count; /* size of buffers array */
169 u32 numbufs; /* number of buffers allocated */
170 u32 alloced; /* number of rcvarray entries used */
171 u32 rcvtid_size; /* size of each eager rcv tid */
172 u32 threshold; /* head update threshold */
173 struct eager_buffer {
174 void *addr;
1#ifndef _HFI1_KERNEL_H
2#define _HFI1_KERNEL_H
3/*
4 * Copyright(c) 2015, 2016 Intel Corporation.
5 *
6 * This file is provided under a dual BSD/GPLv2 license. When using or
7 * redistributing this file, you may do so under either license.
8 *

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167 ssize_t size; /* total size of eager buffers */
168 u32 count; /* size of buffers array */
169 u32 numbufs; /* number of buffers allocated */
170 u32 alloced; /* number of rcvarray entries used */
171 u32 rcvtid_size; /* size of each eager rcv tid */
172 u32 threshold; /* head update threshold */
173 struct eager_buffer {
174 void *addr;
175 dma_addr_t phys;
175 dma_addr_t dma;
176 ssize_t len;
177 } *buffers;
178 struct {
179 void *addr;
176 ssize_t len;
177 } *buffers;
178 struct {
179 void *addr;
180 dma_addr_t phys;
180 dma_addr_t dma;
181 } *rcvtids;
182};
183
184struct exp_tid_set {
185 struct list_head list;
186 u32 count;
187};
188

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203 wait_queue_head_t wait;
204 /* rcvhdrq size (for freeing) */
205 size_t rcvhdrq_size;
206 /* number of rcvhdrq entries */
207 u16 rcvhdrq_cnt;
208 /* size of each of the rcvhdrq entries */
209 u16 rcvhdrqentsize;
210 /* mmap of hdrq, must fit in 44 bits */
181 } *rcvtids;
182};
183
184struct exp_tid_set {
185 struct list_head list;
186 u32 count;
187};
188

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203 wait_queue_head_t wait;
204 /* rcvhdrq size (for freeing) */
205 size_t rcvhdrq_size;
206 /* number of rcvhdrq entries */
207 u16 rcvhdrq_cnt;
208 /* size of each of the rcvhdrq entries */
209 u16 rcvhdrqentsize;
210 /* mmap of hdrq, must fit in 44 bits */
211 dma_addr_t rcvhdrq_phys;
212 dma_addr_t rcvhdrqtailaddr_phys;
211 dma_addr_t rcvhdrq_dma;
212 dma_addr_t rcvhdrqtailaddr_dma;
213 struct ctxt_eager_bufs egrbufs;
214 /* this receive context's assigned PIO ACK send context */
215 struct send_context *sc;
216
217 /* dynamic receive available interrupt timeout */
218 u32 rcvavail_timeout;
219 /*
220 * number of opens (including slave sub-contexts) on this instance

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1160 wait_queue_head_t event_queue;
1161
1162 /* Save the enabled LCB error bits */
1163 u64 lcb_err_en;
1164 u8 dc_shutdown;
1165
1166 /* receive context tail dummy address */
1167 __le64 *rcvhdrtail_dummy_kvaddr;
213 struct ctxt_eager_bufs egrbufs;
214 /* this receive context's assigned PIO ACK send context */
215 struct send_context *sc;
216
217 /* dynamic receive available interrupt timeout */
218 u32 rcvavail_timeout;
219 /*
220 * number of opens (including slave sub-contexts) on this instance

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1160 wait_queue_head_t event_queue;
1161
1162 /* Save the enabled LCB error bits */
1163 u64 lcb_err_en;
1164 u8 dc_shutdown;
1165
1166 /* receive context tail dummy address */
1167 __le64 *rcvhdrtail_dummy_kvaddr;
1168 dma_addr_t rcvhdrtail_dummy_physaddr;
1168 dma_addr_t rcvhdrtail_dummy_dma;
1169
1170 bool eprom_available; /* true if EPROM is available for this device */
1171 bool aspm_supported; /* Does HW support ASPM */
1172 bool aspm_enabled; /* ASPM state: enabled/disabled */
1173 /* Serialize ASPM enable/disable between multiple verbs contexts */
1174 spinlock_t aspm_lock;
1175 /* Number of verbs contexts which have disabled ASPM */
1176 atomic_t aspm_disabled_cnt;

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1170 bool eprom_available; /* true if EPROM is available for this device */
1171 bool aspm_supported; /* Does HW support ASPM */
1172 bool aspm_enabled; /* ASPM state: enabled/disabled */
1173 /* Serialize ASPM enable/disable between multiple verbs contexts */
1174 spinlock_t aspm_lock;
1175 /* Number of verbs contexts which have disabled ASPM */
1176 atomic_t aspm_disabled_cnt;

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