Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1014 B
C
48 lines
1014 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef LINUX_MMC_HSQ_H
|
|
#define LINUX_MMC_HSQ_H
|
|
|
|
#define HSQ_NUM_SLOTS 64
|
|
#define HSQ_INVALID_TAG HSQ_NUM_SLOTS
|
|
|
|
/*
|
|
* For MMC host software queue, we only allow 2 requests in
|
|
* flight to avoid a long latency.
|
|
*/
|
|
#define HSQ_NORMAL_DEPTH 2
|
|
/*
|
|
* For 4k random writes, we allow hsq_depth to increase to 5
|
|
* for better performance.
|
|
*/
|
|
#define HSQ_PERFORMANCE_DEPTH 5
|
|
|
|
struct hsq_slot {
|
|
struct mmc_request *mrq;
|
|
};
|
|
|
|
struct mmc_hsq {
|
|
struct mmc_host *mmc;
|
|
struct mmc_request *mrq;
|
|
wait_queue_head_t wait_queue;
|
|
struct hsq_slot *slot;
|
|
spinlock_t lock;
|
|
struct work_struct retry_work;
|
|
|
|
int next_tag;
|
|
int num_slots;
|
|
int qcnt;
|
|
int tail_tag;
|
|
int tag_slot[HSQ_NUM_SLOTS];
|
|
|
|
bool enabled;
|
|
bool waiting_for_idle;
|
|
bool recovery_halt;
|
|
};
|
|
|
|
int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc);
|
|
void mmc_hsq_suspend(struct mmc_host *mmc);
|
|
int mmc_hsq_resume(struct mmc_host *mmc);
|
|
bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq);
|
|
|
|
#endif
|