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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/infiniband/hw/nes/nes_mgt.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/infiniband/hw/nes/nes_mgt.h')
-rw-r--r-- | kernel/drivers/infiniband/hw/nes/nes_mgt.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/kernel/drivers/infiniband/hw/nes/nes_mgt.h b/kernel/drivers/infiniband/hw/nes/nes_mgt.h new file mode 100644 index 000000000..4f7f701c4 --- /dev/null +++ b/kernel/drivers/infiniband/hw/nes/nes_mgt.h @@ -0,0 +1,97 @@ +/* +* Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. +* +* This software is available to you under a choice of one of two +* licenses. You may choose to be licensed under the terms of the GNU +* General Public License (GPL) Version 2, available from the file +* COPYING in the main directory of this source tree, or the +* OpenIB.org BSD license below: +* +* 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. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +* SOFTWARE. +*/ + +#ifndef __NES_MGT_H +#define __NES_MGT_H + +#define MPA_FRAMING 6 /* length is 2 bytes, crc is 4 bytes */ + +int nes_init_mgt_qp(struct nes_device *nesdev, struct net_device *netdev, struct nes_vnic *nesvnic); +void nes_queue_mgt_skbs(struct sk_buff *skb, struct nes_vnic *nesvnic, struct nes_qp *nesqp); +void nes_destroy_mgt(struct nes_vnic *nesvnic); +void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp); + +struct nes_hw_mgt { + struct nes_hw_nic_rq_wqe *rq_vbase; /* virtual address of rq */ + dma_addr_t rq_pbase; /* PCI memory for host rings */ + struct sk_buff *rx_skb[NES_NIC_WQ_SIZE]; + u16 qp_id; + u16 sq_head; + u16 rq_head; + u16 rq_tail; + u16 rq_size; + u8 replenishing_rq; + u8 reserved; + spinlock_t rq_lock; +}; + +struct nes_vnic_mgt { + struct nes_vnic *nesvnic; + struct nes_hw_mgt mgt; + struct nes_hw_nic_cq mgt_cq; + atomic_t rx_skbs_needed; + struct timer_list rq_wqes_timer; + atomic_t rx_skb_timer_running; +}; + +#define MAX_FPDU_FRAGS 4 +struct pau_fpdu_frag { + struct sk_buff *skb; + u64 physaddr; + u32 frag_len; + bool cmplt; +}; + +struct pau_fpdu_info { + struct nes_qp *nesqp; + struct nes_cqp_request *cqp_request; + void *hdr_vbase; + dma_addr_t hdr_pbase; + int hdr_len; + u16 data_len; + u16 frag_cnt; + struct pau_fpdu_frag frags[MAX_FPDU_FRAGS]; +}; + +enum pau_qh_state { + PAU_DEL_QH, + PAU_ADD_LB_QH, + PAU_READY +}; + +struct pau_qh_chg { + struct nes_device *nesdev; + struct nes_vnic *nesvnic; + struct nes_qp *nesqp; +}; + +#endif /* __NES_MGT_H */ |