1511ce378SBaolin Wang /* SPDX-License-Identifier: GPL-2.0 */ 2511ce378SBaolin Wang #ifndef LINUX_MMC_HSQ_H 3511ce378SBaolin Wang #define LINUX_MMC_HSQ_H 4511ce378SBaolin Wang 5*e026a3f9SMichael Wu #define HSQ_NUM_SLOTS 64 6*e026a3f9SMichael Wu #define HSQ_INVALID_TAG HSQ_NUM_SLOTS 7*e026a3f9SMichael Wu 8511ce378SBaolin Wang struct hsq_slot { 9511ce378SBaolin Wang struct mmc_request *mrq; 10511ce378SBaolin Wang }; 11511ce378SBaolin Wang 12511ce378SBaolin Wang struct mmc_hsq { 13511ce378SBaolin Wang struct mmc_host *mmc; 14511ce378SBaolin Wang struct mmc_request *mrq; 15511ce378SBaolin Wang wait_queue_head_t wait_queue; 16511ce378SBaolin Wang struct hsq_slot *slot; 17511ce378SBaolin Wang spinlock_t lock; 186db96e58SBaolin Wang struct work_struct retry_work; 19511ce378SBaolin Wang 20511ce378SBaolin Wang int next_tag; 21511ce378SBaolin Wang int num_slots; 22511ce378SBaolin Wang int qcnt; 23*e026a3f9SMichael Wu int tail_tag; 24*e026a3f9SMichael Wu int tag_slot[HSQ_NUM_SLOTS]; 25511ce378SBaolin Wang 26511ce378SBaolin Wang bool enabled; 27511ce378SBaolin Wang bool waiting_for_idle; 28511ce378SBaolin Wang bool recovery_halt; 29511ce378SBaolin Wang }; 30511ce378SBaolin Wang 31511ce378SBaolin Wang int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc); 32511ce378SBaolin Wang void mmc_hsq_suspend(struct mmc_host *mmc); 33511ce378SBaolin Wang int mmc_hsq_resume(struct mmc_host *mmc); 34511ce378SBaolin Wang bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq); 35511ce378SBaolin Wang 36511ce378SBaolin Wang #endif 37