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hfi: bases for user_exp_rcv

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This implements a skeleton setup function and call it on ioctl

Many missing points:
 - missing pci mapping to make setup work
 - no clear (passed to linux, so will likely bug out)
 - missing locks/safe-guards

Conflicts:
	kernel/Makefile.build.in
This commit is contained in:
Dominique Martinet
2017-09-15 11:17:38 +09:00
committed by Balazs Gerofi
parent 7366da4390
commit e64d89cd48
8 changed files with 740 additions and 16 deletions
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58
kernel/include/hfi1/chip.h Normal file
View File

@@ -0,0 +1,58 @@
#ifndef _CHIP_H
#define _CHIP_H
/*
* Copyright(c) 2015, 2016 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* BSD LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
* This file contains all of the defines that is specific to the HFI chip
*/
void hfi1_put_tid(struct hfi1_devdata *dd, u32 index,
u32 type, unsigned long pa, u16 order);
void hfi1_clear_tids(struct hfi1_ctxtdata *rcd);
#endif /* _CHIP_H */

64
kernel/include/hfi1/chip_registers.h Normal file
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@@ -0,0 +1,64 @@
#ifndef DEF_CHIP_REG
#define DEF_CHIP_REG
/*
* Copyright(c) 2015, 2016 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* BSD LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define CORE 0x000000000000
#define RXE (CORE + 0x000001000000)
#define RCV_ARRAY (RXE + 0x000000200000)
#define RCV_ARRAY_CNT (RXE + 0x000000000018)
#define RCV_ARRAY_RT_ADDR_MASK 0xFFFFFFFFFull
#define RCV_ARRAY_RT_ADDR_SHIFT 0
#define RCV_ARRAY_RT_BUF_SIZE_SHIFT 36
#define RCV_ARRAY_RT_WRITE_ENABLE_SMASK 0x8000000000000000ull
#endif /* DEF_CHIP_REG */

31
kernel/include/hfi1/hfi.h
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@@ -192,11 +192,13 @@ struct ctxt_eager_bufs {
} *rcvtids;
};
#endif /* __HFI1_ORIG__ */
struct exp_tid_set {
struct list_head list;
u32 count;
};
#ifdef __HFI1_ORIG__
struct tid_queue {
struct list_head queue_head;
/* queue head for QP TID resource waiters */
@@ -372,9 +374,26 @@ struct hfi1_ctxtdata {
//TODO: Fix hfi1_ctxtdata and pport
#ifndef __HFI1_ORIG__
struct hfi1_ctxtdata {
char __padding0[152];
unsigned ctxt;
char __padding1[180-156];
/* number of RcvArray groups for this context. */
u32 rcv_array_groups;
/* index of first eager TID entry. */
u32 eager_base;
/* number of expected TID entries */
u32 expected_count;
/* index of first expected TID entry. */
u32 expected_base;
struct exp_tid_set tid_group_list;
struct exp_tid_set tid_used_list;
struct exp_tid_set tid_full_list;
char __padding2[440-272];
struct hfi1_devdata *dd;
};
#endif /* __HFI1_ORIG__ */
#endif /* !__HFI1_ORIG__ */
#ifdef __HFI1_ORIG__
/*
@@ -842,12 +861,15 @@ typedef void (*opcode_handler)(struct hfi1_packet *packet);
#define RHF_RCV_DONE 1 /* stop, this packet processed */
#define RHF_RCV_REPROCESS 2 /* stop. retain this packet */
#endif /* __HFI1_ORIG__ */
struct rcv_array_data {
u8 group_size;
u16 ngroups;
u16 nctxt_extra;
};
#ifdef __HFI1_ORIG__
struct per_vl_data {
u16 mtu;
struct send_context *sc;
@@ -1471,7 +1493,7 @@ struct hfi1_devdata {
u64 gi_mask[CCE_NUM_INT_CSRS];
char rcv_entries[6]; //struct rcv_array_data rcv_entries
struct rcv_array_data rcv_entries;
u16 psxmitwait_check_rate;
@@ -2086,6 +2108,8 @@ struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd)
lockdep_is_held(&ppd->cc_state_lock));
}
#endif /* __HFI1_ORIG__ */
/*
* values for dd->flags (_device_ related flags)
*/
@@ -2096,6 +2120,7 @@ struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd)
#define HFI1_HAS_SEND_DMA 0x10 /* Supports Send DMA */
#define HFI1_FORCED_FREEZE 0x80 /* driver forced freeze mode */
#ifdef __HFI1_ORIG__
/* IB dword length mask in PBC (lower 11 bits); same for all chips */
#define HFI1_PBC_LENGTH_MASK ((1 << 11) - 1)
@@ -2217,6 +2242,7 @@ const char *get_unit_name(int unit);
const char *get_card_name(struct rvt_dev_info *rdi);
struct pci_dev *get_pci_dev(struct rvt_dev_info *rdi);
#endif /* __HFI1_ORIG__ */
/*
* Flush write combining store buffers (if present) and perform a write
* barrier.
@@ -2226,6 +2252,7 @@ static inline void flush_wc(void)
asm volatile("sfence" : : : "memory");
}
#ifdef __HFI1_ORIG__
void handle_eflags(struct hfi1_packet *packet);
int process_receive_ib(struct hfi1_packet *packet);
int process_receive_bypass(struct hfi1_packet *packet);

13
kernel/include/hfi1/user_exp_rcv.h
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@@ -46,9 +46,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifdef __HFI1_ORIG__
#include "hfi.h"
#endif /* __HFI1_ORIG__ */
#include "hfi1/hfi.h"
#define EXP_TID_TIDLEN_MASK 0x7FFULL
#define EXP_TID_TIDLEN_SHIFT 0
@@ -71,7 +69,6 @@
(tid) |= EXP_TID_SET(field, (value)); \
} while (0)
#ifdef __HFI1_ORIG__
struct tid_group {
struct list_head list;
unsigned base;
@@ -147,15 +144,17 @@ static inline void tid_group_move(struct tid_group *group,
tid_group_add_tail(group, s2);
}
#ifdef __HFI1_ORIG__
u32 find_phys_blocks(struct page **, unsigned, struct tid_pageset *);
int alloc_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd);
void free_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd);
int hfi1_user_exp_rcv_init(struct file *);
int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
int hfi1_user_exp_rcv_setup(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_clear(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_invalid(struct file *, struct hfi1_tid_info *);
#endif /* __HFI1_ORIG__ */
int hfi1_user_exp_rcv_setup(struct hfi1_filedata *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_clear(struct hfi1_filedata *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_invalid(struct hfi1_filedata *, struct hfi1_tid_info *);
#endif /* _HFI1_USER_EXP_RCV_H */