xref: /wlan-dirver/qca-wifi-host-cmn/hif/src/hif_irq_affinity.h (revision 6d768494e5ce14eb1603a695c86739d12ecc6ec2)
1 /*
2  * Copyright (c) 2015-2020 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef __HIF_IRQ_AFFINITY_H__
20 #define __HIF_IRQ_AFFINITY_H__
21 
22 #ifdef HIF_IRQ_AFFINITY
23 #ifndef FEATURE_NAPI
24 #error /*HIF_IRQ_AFFINITY currently relies on FEATURE_NAPI*/
25 #endif
26 #endif
27 
28 /* CLD headers */
29 #include <hif.h> /* struct hif_opaque_softc; */
30 #include <hif_napi.h>
31 struct hif_opaque_softc;
32 enum qca_blacklist_op;
33 
34 int hif_exec_cpu_migrate(struct qca_napi_data *napid, int cpu, int action);
35 
36 int hif_exec_cpu_blacklist(struct qca_napi_data *napid,
37 			   enum qca_blacklist_op op);
38 
39 #ifdef HIF_IRQ_AFFINITY
40 int hif_exec_event(struct hif_opaque_softc     *hif,
41 		   enum  qca_napi_event event,
42 		   void                *data);
43 
44 
45 /* hif_irq_affinity_remove() - remove affinity before freeing the irq
46  * @os_irq: irq number to remove affinity from
47  */
48 static inline void hif_irq_affinity_remove(int os_irq)
49 {
50 	irq_set_affinity_hint(os_irq, NULL);
51 }
52 #else
53 static inline void hif_irq_affinity_remove(int os_irq)
54 {
55 }
56 
57 static inline int hif_exec_event(struct hif_opaque_softc     *hif,
58 		   enum  qca_napi_event event,
59 		   void                *data)
60 {
61 	return 0;
62 }
63 #endif
64 
65 /**
66  * hif_napi_core_ctl_set_boost() - This API is used to move
67  * tasks to CPUs with higher capacity
68  * @boost: If set move tasks to higher capacity CPUs
69  *
70  * This function moves tasks to higher capacity CPUs than those
71  * where the tasks would have  normally ended up
72  *
73  * Return:  None
74  */
75 static inline int hif_napi_core_ctl_set_boost(bool boost)
76 {
77 	return qdf_core_ctl_set_boost(boost);
78 }
79 
80 #ifdef HIF_CPU_PERF_AFFINE_MASK
81 static inline int hif_core_ctl_set_boost(bool boost)
82 {
83 	return hif_napi_core_ctl_set_boost(boost);
84 }
85 #else
86 static inline int hif_core_ctl_set_boost(bool boost)
87 {
88 	return 0;
89 }
90 #endif
91 #endif
92