Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ffc41530 authored by Pradeep P V K's avatar Pradeep P V K Committed by Gerrit - the friendly Code Review server
Browse files

mmc: host: Use request queue pointer for mmc crypto 



To use block crypto based inline encryption mechanism
storage device driver should create a keyslot manager
and register it with device request queue. To achieve this
pass request queue pointer during host controller initialization
where request queue can be updated with keyslot manager.

Change-Id: I71f0005a1ad8867b6210e92878b8c112d436688e
Signed-off-by: default avatarPradeep P V K <ppvk@codeaurora.org>
parent e62b481e

drivers/mmc/core/queue.c

+3 −0
Original line number Diff line number Diff line
@@ -437,6 +437,9 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, 
			/* hook for pm qos cmdq init */

			if (card->host->cmdq_ops->init)

				card->host->cmdq_ops->init(card->host);

			if (host->cmdq_ops->cqe_crypto_update_queue)

				host->cmdq_ops->cqe_crypto_update_queue(host,

								mq->queue);

			mq->thread = kthread_run(mmc_cmdq_thread, mq,

						 "mmc-cmdqd/%d%s",

						 host->index,

drivers/mmc/host/cmdq_hci.c

+7 −0
Original line number Diff line number Diff line
@@ -1277,6 +1277,12 @@ static int cmdq_late_init(struct mmc_host *mmc) 
	return 0;

}



static void cqhci_crypto_update_queue(struct mmc_host *mmc,

					struct request_queue *queue)

{

	//struct cqhci_host *cq_host = mmc->cqe_private;

}



static const struct mmc_cmdq_host_ops cmdq_host_ops = {

	.init = cmdq_late_init,

	.enable = cmdq_enable,
@@ -1286,6 +1292,7 @@ static const struct mmc_cmdq_host_ops cmdq_host_ops = { 
	.halt = cmdq_halt,

	.reset	= cmdq_reset,

	.dumpstate = cmdq_dumpstate,

	.cqe_crypto_update_queue = cqhci_crypto_update_queue,

};



struct cmdq_host *cmdq_pltfm_init(struct platform_device *pdev)

include/linux/mmc/host.h

+7 −0
Original line number Diff line number Diff line
@@ -122,6 +122,13 @@ struct mmc_cmdq_host_ops { 
	int (*halt)(struct mmc_host *host, bool halt);

	void (*reset)(struct mmc_host *host, bool soft);

	void (*dumpstate)(struct mmc_host *host);

	/*

	 * Update the request queue with keyslot manager details. This keyslot

	 * manager will be used by block crypto to configure the crypto Engine

	 * for data encryption.

	 */

	void (*cqe_crypto_update_queue)(struct mmc_host *host,

					struct request_queue *queue);

};



struct mmc_host_ops {