| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2023 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _XE_GT_IDLE_SYSFS_TYPES_H_ |
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| 7 | #define _XE_GT_IDLE_SYSFS_TYPES_H_ |
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| 8 | |
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| 9 | #include <linux/spinlock.h> |
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| 10 | #include <linux/types.h> |
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| 11 | |
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| 12 | struct xe_guc_pc; |
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| 13 | |
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| 14 | /* States of GT Idle */ |
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| 15 | enum xe_gt_idle_state { |
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| 16 | GT_IDLE_C0, |
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| 17 | GT_IDLE_C6, |
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| 18 | GT_IDLE_UNKNOWN, |
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| 19 | }; |
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| 20 | |
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| 21 | /** |
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| 22 | * struct xe_gt_idle - A struct that contains idle properties based of gt |
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| 23 | */ |
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| 24 | struct xe_gt_idle { |
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| 25 | /** @name: name */ |
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| 26 | char name[16]; |
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| 27 | /** @powergate_enable: copy of powergate enable bits */ |
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| 28 | u32 powergate_enable; |
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| 29 | /** @residency_multiplier: residency multiplier in ns */ |
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| 30 | u32 residency_multiplier; |
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| 31 | /** @cur_residency: raw driver copy of idle residency */ |
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| 32 | u64 cur_residency; |
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| 33 | /** @prev_residency: previous residency counter */ |
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| 34 | u64 prev_residency; |
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| 35 | /** @lock: Lock protecting idle residency counters */ |
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| 36 | raw_spinlock_t lock; |
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| 37 | /** @idle_status: get the current idle state */ |
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| 38 | enum xe_gt_idle_state (*idle_status)(struct xe_guc_pc *pc); |
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| 39 | /** @idle_residency: get idle residency counter */ |
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| 40 | u64 (*idle_residency)(struct xe_guc_pc *pc); |
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| 41 | }; |
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| 42 | |
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| 43 | #endif /* _XE_GT_IDLE_SYSFS_TYPES_H_ */ |
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| 44 | |
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