mmc/host/mmc_hsq.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef LINUX_MMC_HSQ_H
0003 #define LINUX_MMC_HSQ_H
0004
0005 struct hsq_slot {
0006     struct mmc_request *mrq;
0007 };
0008
0009 struct mmc_hsq {
0010     struct mmc_host *mmc;
0011     struct mmc_request *mrq;
0012     wait_queue_head_t wait_queue;
0013     struct hsq_slot *slot;
0014     spinlock_t lock;
0015     struct work_struct retry_work;
0016
0017     int next_tag;
0018     int num_slots;
0019     int qcnt;
0020
0021     bool enabled;
0022     bool waiting_for_idle;
0023     bool recovery_halt;
0024 };
0025
0026 int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc);
0027 void mmc_hsq_suspend(struct mmc_host *mmc);
0028 int mmc_hsq_resume(struct mmc_host *mmc);
0029 bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq);
0030
0031 #endif