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Commit 642f1e3a authored by Tharun Kumar Merugu's avatar Tharun Kumar Merugu
Browse files

msm: adsprpc: Add force no flush and invalidate flag 



Adding force no flush and invalidate flag for rpcmem_alloc
and respective attributes for remote_register_buf_attr.
Skip flush and invalidate if corresponding flag is set.

Change-Id: I5b872d1f22b082716a1fe715375c66a212fedbac
Acked-by: default avatarDeepika Singh <dsi@qti.qualcomm.com>
Signed-off-by: default avatarTharun Kumar Merugu <mtharu@codeaurora.org>
parent 6f0fe27e

drivers/char/adsprpc.c

+6 −0
Original line number Diff line number Diff line
@@ -1838,6 +1838,8 @@ static int get_args(uint32_t kernel, struct smq_invoke_ctx *ctx) 
			continue;

		if (map && (map->attr & FASTRPC_ATTR_COHERENT))

			continue;

		if (map && (map->attr & FASTRPC_ATTR_FORCE_NOFLUSH))

			continue;



		if (rpra && rpra[i].buf.len &&

			ctx->overps[oix]->mstart) {
@@ -1943,6 +1945,8 @@ static void inv_args_pre(struct smq_invoke_ctx *ctx) 
			continue;

		if (map && (map->attr & FASTRPC_ATTR_COHERENT))

			continue;

		if (map && (map->attr & FASTRPC_ATTR_FORCE_NOINVALIDATE))

			continue;



		if (buf_page_start(ptr_to_uint64((void *)rpra)) ==

				buf_page_start(rpra[i].buf.pv))
@@ -1997,6 +2001,8 @@ static void inv_args(struct smq_invoke_ctx *ctx) 
			continue;

		if (map && (map->attr & FASTRPC_ATTR_COHERENT))

			continue;

		if (map && (map->attr & FASTRPC_ATTR_FORCE_NOINVALIDATE))

			continue;



		if (buf_page_start(ptr_to_uint64((void *)rpra)) ==

				buf_page_start(rpra[i].buf.pv)) {

drivers/char/adsprpc_shared.h

+10 −0
Original line number Diff line number Diff line
@@ -46,6 +46,16 @@ 
/* Fastrpc attribute for no mapping of fd  */

#define FASTRPC_ATTR_NOMAP (16)



/*

 * Fastrpc attribute to skip flush by fastrpc

 */

#define FASTRPC_ATTR_FORCE_NOFLUSH  (32)



/*

 * Fastrpc attribute to skip invalidate by fastrpc

 */

#define FASTRPC_ATTR_FORCE_NOINVALIDATE (64)



/* Driver should operate in parallel with the co-processor */

#define FASTRPC_MODE_PARALLEL    0