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msm: adsprpc: Share CP secure context banks

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Currently CPZ secure context banks are not shared on CDSP. Share
CP secure context banks among applications that use secure memory,
so that many CPZ applications can be spawned and offloaded to DSP.

Change-Id: I77d95bab86ef527e41c9fe79058742615f4adb0e
Signed-off-by: Himateja Reddy <quic_hmreddy@quicinc.com>
This commit is contained in:
Himateja Reddy
2022-11-10 15:33:05 -08:00
committed by Gerrit - the friendly Code Review server
parent 4dc57d62a5
commit 38ca55b8e5
2 changed files with 6 additions and 1 deletions
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5
dsp/adsprpc.c
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@@ -1207,7 +1207,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, struct dma_buf *
map->secure = (mem_buf_dma_buf_exclusive_owner(map->buf)) ? 0 : 1;
if (map->secure) {
if (!fl->secsctx)
err = fastrpc_session_alloc(chan, 1, 0,
err = fastrpc_session_alloc(chan, 1, me->share_securecb,
&fl->secsctx);
if (err) {
ADSPRPC_ERR(
@@ -7374,6 +7374,9 @@ static int fastrpc_cb_probe(struct device *dev)
if (of_get_property(dev->of_node, "shared-cb", NULL) != NULL) {
sess->smmu.sharedcb = 1;
// Set share_securecb, if the secure context bank is shared
if (sess->smmu.secure)
me->share_securecb = 1;
err = of_property_read_u32(dev->of_node, "shared-cb",
&sharedcb_count);
if (err)