mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
4.2 KiB
129 lines
4.2 KiB
/* |
|
* Copyright(c) 2015 - 2020 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. |
|
* |
|
*/ |
|
#ifndef _HFI1_AFFINITY_H |
|
#define _HFI1_AFFINITY_H |
|
|
|
#include "hfi.h" |
|
|
|
enum irq_type { |
|
IRQ_SDMA, |
|
IRQ_RCVCTXT, |
|
IRQ_NETDEVCTXT, |
|
IRQ_GENERAL, |
|
IRQ_OTHER |
|
}; |
|
|
|
/* Can be used for both memory and cpu */ |
|
enum affinity_flags { |
|
AFF_AUTO, |
|
AFF_NUMA_LOCAL, |
|
AFF_DEV_LOCAL, |
|
AFF_IRQ_LOCAL |
|
}; |
|
|
|
struct cpu_mask_set { |
|
struct cpumask mask; |
|
struct cpumask used; |
|
uint gen; |
|
}; |
|
|
|
struct hfi1_msix_entry; |
|
|
|
/* Initialize non-HT cpu cores mask */ |
|
void init_real_cpu_mask(void); |
|
/* Initialize driver affinity data */ |
|
int hfi1_dev_affinity_init(struct hfi1_devdata *dd); |
|
/* |
|
* Set IRQ affinity to a CPU. The function will determine the |
|
* CPU and set the affinity to it. |
|
*/ |
|
int hfi1_get_irq_affinity(struct hfi1_devdata *dd, |
|
struct hfi1_msix_entry *msix); |
|
/* |
|
* Remove the IRQ's CPU affinity. This function also updates |
|
* any internal CPU tracking data |
|
*/ |
|
void hfi1_put_irq_affinity(struct hfi1_devdata *dd, |
|
struct hfi1_msix_entry *msix); |
|
/* |
|
* Determine a CPU affinity for a user process, if the process does not |
|
* have an affinity set yet. |
|
*/ |
|
int hfi1_get_proc_affinity(int node); |
|
/* Release a CPU used by a user process. */ |
|
void hfi1_put_proc_affinity(int cpu); |
|
|
|
struct hfi1_affinity_node { |
|
int node; |
|
u16 __percpu *comp_vect_affinity; |
|
struct cpu_mask_set def_intr; |
|
struct cpu_mask_set rcv_intr; |
|
struct cpumask general_intr_mask; |
|
struct cpumask comp_vect_mask; |
|
struct list_head list; |
|
}; |
|
|
|
struct hfi1_affinity_node_list { |
|
struct list_head list; |
|
struct cpumask real_cpu_mask; |
|
struct cpu_mask_set proc; |
|
int num_core_siblings; |
|
int num_possible_nodes; |
|
int num_online_nodes; |
|
int num_online_cpus; |
|
struct mutex lock; /* protects affinity nodes */ |
|
}; |
|
|
|
int node_affinity_init(void); |
|
void node_affinity_destroy_all(void); |
|
extern struct hfi1_affinity_node_list node_affinity; |
|
void hfi1_dev_affinity_clean_up(struct hfi1_devdata *dd); |
|
int hfi1_comp_vect_mappings_lookup(struct rvt_dev_info *rdi, int comp_vect); |
|
int hfi1_comp_vectors_set_up(struct hfi1_devdata *dd); |
|
void hfi1_comp_vectors_clean_up(struct hfi1_devdata *dd); |
|
|
|
#endif /* _HFI1_AFFINITY_H */
|
|
|