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Commit 2f0b9d5e authored by Amir Samuelov's avatar Amir Samuelov Committed by Gerrit - the friendly Code Review server
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soc: qcom: add secure processor communication (spcom) driver 



This driver supports communication with secure processor subsystem
(SPSS) over rpmsg and ungerlying glink transport layer. The
communication is based on using shared memory and interrupts.

Add snapshot for spcom driver from msm-4.14 commit cff38c326b98
("soc:qcom:spcom: free not consumed packet on rx timeout").

Change-Id: I28d704b18a3b0de9711ff3235c3f5551e7302557
Signed-off-by: default avatarKonstantin Dorfman <kdorfman@codeaurora.org>
Signed-off-by: default avatarAmir Samuelov <amirs@codeaurora.org>
parent 42d5e1c3

drivers/soc/qcom/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -510,6 +510,19 @@ config QCOM_BUS_CONFIG_RPMH 
	  from logical nodes to hardware nodes controlled by the BCM (Bus

	  Clock Manager)



config MSM_SPCOM

	depends on QCOM_GLINK

	bool "Secure Processor Communication over GLINK"

	help

	  spcom driver allows loading Secure Processor Applications and

	  sending messages to Secure Processor Applications.

	  spcom provides interface to both user space app and kernel driver.

	  It is using glink as the transport layer, which provides multiple

	  logical channels over single physical channel.

	  The physical layer is based on shared memory and interrupts.

	  spcom provides clients/server API, although currently only one client

	  or server is allowed per logical channel.



config QSEE_IPC_IRQ

	bool "QSEE interrupt manager"

	help

drivers/soc/qcom/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ obj-$(CONFIG_MSM_SYSMON_GLINK_COMM) += sysmon-glink.o sysmon-qmi.o 
obj-$(CONFIG_MSM_PIL_SSR_GENERIC) += subsys-pil-tz.o

obj-$(CONFIG_MEM_SHARE_QMI_SERVICE)		+= memshare/

obj-$(CONFIG_MSM_PIL)   +=      peripheral-loader.o

obj-$(CONFIG_MSM_SPCOM) += spcom.o

obj-$(CONFIG_MSM_CDSP_LOADER) += qdsp6v2/

obj-$(CONFIG_MSM_JTAGV8) += jtagv8.o jtagv8-etm.o

drivers/soc/qcom/spcom.c

0 → 100644
+2200 −0

File added.

Preview size limit exceeded, changes collapsed.

include/uapi/linux/spcom.h

+3 −0
Original line number Diff line number Diff line
@@ -50,6 +50,9 @@ enum spcom_cmd_id { 
	SPCOM_CMD_UNLOCK_ION_BUF = 0x554C434B, /* "ULCK" = 0x4C4F434B */

	SPCOM_CMD_FSSR		= 0x46535352, /* "FSSR" = 0x46535352 */

	SPCOM_CMD_CREATE_CHANNEL = 0x43524554, /* "CRET" = 0x43524554 */

#define SPCOM_CMD_RESTART_SP \

	SPCOM_CMD_RESTART_SP

	SPCOM_CMD_RESTART_SP    = 0x52535452, /* "RSTR" = 0x52535452 */

};



/*