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47 #ifndef _HFI1_AFFINITY_H
48 #define _HFI1_AFFINITY_H
59 /* Can be used for both memory and cpu */
73 struct hfi1_affinity
{
74 struct cpu_mask_set def_intr
;
75 struct cpu_mask_set rcv_intr
;
76 struct cpu_mask_set proc
;
77 struct cpumask real_cpu_mask
;
78 /* spin lock to protect affinity struct */
82 struct hfi1_msix_entry
;
84 /* Initialize non-HT cpu cores mask */
85 int init_real_cpu_mask(struct hfi1_devdata
*);
86 /* Initialize driver affinity data */
87 void hfi1_dev_affinity_init(struct hfi1_devdata
*);
88 /* Free driver affinity data */
89 void hfi1_dev_affinity_free(struct hfi1_devdata
*);
91 * Set IRQ affinity to a CPU. The function will determine the
92 * CPU and set the affinity to it.
94 int hfi1_get_irq_affinity(struct hfi1_devdata
*, struct hfi1_msix_entry
*);
96 * Remove the IRQ's CPU affinity. This function also updates
97 * any internal CPU tracking data
99 void hfi1_put_irq_affinity(struct hfi1_devdata
*, struct hfi1_msix_entry
*);
101 * Determine a CPU affinity for a user process, if the process does not
102 * have an affinity set yet.
104 int hfi1_get_proc_affinity(struct hfi1_devdata
*, int);
105 /* Release a CPU used by a user process. */
106 void hfi1_put_proc_affinity(struct hfi1_devdata
*, int);
108 #endif /* _HFI1_AFFINITY_H */