37 lines
757 B
C
37 lines
757 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef LINUX_MMC_HSQ_H
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#define LINUX_MMC_HSQ_H
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#define HSQ_NUM_SLOTS 64
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#define HSQ_INVALID_TAG HSQ_NUM_SLOTS
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struct hsq_slot {
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struct mmc_request *mrq;
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};
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struct mmc_hsq {
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struct mmc_host *mmc;
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struct mmc_request *mrq;
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wait_queue_head_t wait_queue;
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struct hsq_slot *slot;
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spinlock_t lock;
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struct work_struct retry_work;
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int next_tag;
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int num_slots;
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int qcnt;
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int tail_tag;
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int tag_slot[HSQ_NUM_SLOTS];
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bool enabled;
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bool waiting_for_idle;
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bool recovery_halt;
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};
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int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc);
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void mmc_hsq_suspend(struct mmc_host *mmc);
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int mmc_hsq_resume(struct mmc_host *mmc);
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bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq);
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#endif
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