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Commit c42c6e23 authored by Tharun Kumar Merugu's avatar Tharun Kumar Merugu
Browse files

msm: ADSPRPC: queue glink intents for concurrence 



Queue 16 intents per channel to support sending response from
multiple DSP threads concurrently

Change-Id: Ifdf4577b6ead0fecb16f53e70c36bb72954211e1
Signed-off-by: default avatarTharun Kumar Merugu <mtharu@codeaurora.org>
parent bc46a78f

drivers/char/adsprpc.c

+6 −9
Original line number Diff line number Diff line
@@ -90,6 +90,7 @@ 
#define FASTRPC_LINK_DISCONNECTING (0x7)

#define FASTRPC_LINK_REMOTE_DISCONNECTING (0x8)

#define FASTRPC_GLINK_INTENT_LEN  (64)

#define FASTRPC_GLINK_INTENT_NUM  (16)



#define PERF_KEYS \

	"count:flush:map:copy:glink:getargs:putargs:invalidate:invoke:tid:ptr"
@@ -3012,7 +3013,7 @@ static const struct file_operations debugfs_fops = { 
static int fastrpc_channel_open(struct fastrpc_file *fl)

{

	struct fastrpc_apps *me = &gfa;

	int cid, err = 0;

	int cid, ii, err = 0;



	mutex_lock(&me->smd_mutex);
@@ -3059,15 +3060,11 @@ static int fastrpc_channel_open(struct fastrpc_file *fl) 
		kref_init(&me->channel[cid].kref);

		pr_info("'opened /dev/%s c %d %d'\n", gcinfo[cid].name,

						MAJOR(me->dev_no), cid);

		if (me->glink) {

			err = glink_queue_rx_intent(me->channel[cid].chan, NULL,



		for (ii = 0; ii < FASTRPC_GLINK_INTENT_NUM && me->glink; ii++)

			glink_queue_rx_intent(me->channel[cid].chan, NULL,

				FASTRPC_GLINK_INTENT_LEN);

			err |= glink_queue_rx_intent(me->channel[cid].chan,

				NULL, FASTRPC_GLINK_INTENT_LEN);

			if (err)

				pr_warn("adsprpc: initial intent fail for %d err %d\n",

					cid, err);

		}



		if (cid == 0 && me->channel[cid].ssrcount !=

				 me->channel[cid].prevssrcount) {

			if (fastrpc_mmap_remove_ssr(fl))