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Commit c3a6cc0f authored by Mohammed Javid's avatar Mohammed Javid
Browse files

msm: ipa: Cache CNE event 



Provide support to cache CNE event for debugging purpose.

Change-Id: I00d101d3b9a627d7aba3e4524ff301797ea6085e
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent 714bfa4f

drivers/platform/msm/ipa/ipa_v2/ipa.c

+25 −4
Original line number Diff line number Diff line
@@ -532,7 +532,8 @@ static void ipa_wan_msg_free_cb(void *buff, u32 len, u32 type) 
	kfree(buff);

}



static int ipa_send_wan_msg(unsigned long usr_param, uint8_t msg_type)

static int ipa_send_wan_msg(unsigned long usr_param,

			uint8_t msg_type, bool is_cache)

{

	int retval;

	struct ipa_wan_msg *wan_msg;
@@ -560,6 +561,25 @@ static int ipa_send_wan_msg(unsigned long usr_param, uint8_t msg_type) 
		return retval;

	}



	if (is_cache) {

		mutex_lock(&ipa_ctx->ipa_cne_evt_lock);



		/* cache the cne event */

		memcpy(&ipa_ctx->ipa_cne_evt_req_cache[

			ipa_ctx->num_ipa_cne_evt_req].wan_msg,

			wan_msg,

			sizeof(struct ipa_wan_msg));



		memcpy(&ipa_ctx->ipa_cne_evt_req_cache[

			ipa_ctx->num_ipa_cne_evt_req].msg_meta,

			&msg_meta,

			sizeof(struct ipa_msg_meta));



		ipa_ctx->num_ipa_cne_evt_req++;

		ipa_ctx->num_ipa_cne_evt_req %= IPA_MAX_NUM_REQ_CACHE;

		mutex_unlock(&ipa_ctx->ipa_cne_evt_lock);

	}



	return 0;

}
@@ -1329,21 +1349,21 @@ static long ipa_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
		}

		break;

	case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD:

		retval = ipa_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD);

		retval = ipa_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD, true);

		if (retval) {

			IPAERR("ipa_send_wan_msg failed: %d\n", retval);

			break;

		}

		break;

	case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL:

		retval = ipa_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL);

		retval = ipa_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL, true);

		if (retval) {

			IPAERR("ipa_send_wan_msg failed: %d\n", retval);

			break;

		}

		break;

	case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED:

		retval = ipa_send_wan_msg(arg, WAN_EMBMS_CONNECT);

		retval = ipa_send_wan_msg(arg, WAN_EMBMS_CONNECT, false);

		if (retval) {

			IPAERR("ipa_send_wan_msg failed: %d\n", retval);

			break;
@@ -4180,6 +4200,7 @@ static int ipa_init(const struct ipa_plat_drv_res *resource_p, 


	mutex_init(&ipa_ctx->lock);

	mutex_init(&ipa_ctx->nat_mem.lock);

	mutex_init(&ipa_ctx->ipa_cne_evt_lock);



	idr_init(&ipa_ctx->ipa_idr);

	spin_lock_init(&ipa_ctx->idr_lock);

drivers/platform/msm/ipa/ipa_v2/ipa_i.h

+10 −0
Original line number Diff line number Diff line
@@ -65,6 +65,8 @@ 


#define IPA_IPC_LOG_PAGES 50



#define IPA_MAX_NUM_REQ_CACHE 10



#define IPADBG(fmt, args...) \

	do { \

		pr_debug(DRV_NAME " %s:%d " fmt, __func__, __LINE__, ## args);\
@@ -988,6 +990,11 @@ struct ipacm_client_info { 
	bool uplink;

};



struct ipa_cne_evt {

	struct ipa_wan_msg wan_msg;

	struct ipa_msg_meta msg_meta;

};



/**

 * struct ipa_context - IPA context

 * @class: pointer to the struct class
@@ -1188,6 +1195,9 @@ struct ipa_context { 
	u32 ipa_rx_min_timeout_usec;

	u32 ipa_rx_max_timeout_usec;

	u32 ipa_polling_iteration;

	struct ipa_cne_evt ipa_cne_evt_req_cache[IPA_MAX_NUM_REQ_CACHE];

	int num_ipa_cne_evt_req;

	struct mutex ipa_cne_evt_lock;

};



/**

drivers/platform/msm/ipa/ipa_v3/ipa.c

+25 −4
Original line number Diff line number Diff line
@@ -598,7 +598,8 @@ static void ipa3_wan_msg_free_cb(void *buff, u32 len, u32 type) 
	kfree(buff);

}



static int ipa3_send_wan_msg(unsigned long usr_param, uint8_t msg_type)

static int ipa3_send_wan_msg(unsigned long usr_param,

			uint8_t msg_type, bool is_cache)

{

	int retval;

	struct ipa_wan_msg *wan_msg;
@@ -626,6 +627,25 @@ static int ipa3_send_wan_msg(unsigned long usr_param, uint8_t msg_type) 
		return retval;

	}



	if (is_cache) {

		mutex_lock(&ipa3_ctx->ipa_cne_evt_lock);



		/* cache the cne event */

		memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[

			ipa3_ctx->num_ipa_cne_evt_req].wan_msg,

			wan_msg,

			sizeof(struct ipa_wan_msg));



		memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[

			ipa3_ctx->num_ipa_cne_evt_req].msg_meta,

			&msg_meta,

			sizeof(struct ipa_msg_meta));



		ipa3_ctx->num_ipa_cne_evt_req++;

		ipa3_ctx->num_ipa_cne_evt_req %= IPA_MAX_NUM_REQ_CACHE;

		mutex_unlock(&ipa3_ctx->ipa_cne_evt_lock);

	}



	return 0;

}
@@ -1646,21 +1666,21 @@ static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
		}

		break;

	case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD:

		retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD);

		retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD, true);

		if (retval) {

			IPAERR("ipa3_send_wan_msg failed: %d\n", retval);

			break;

		}

		break;

	case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL:

		retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL);

		retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL, true);

		if (retval) {

			IPAERR("ipa3_send_wan_msg failed: %d\n", retval);

			break;

		}

		break;

	case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED:

		retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT);

		retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT, false);

		if (retval) {

			IPAERR("ipa3_send_wan_msg failed: %d\n", retval);

			break;
@@ -5111,6 +5131,7 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, 
	mutex_init(&ipa3_ctx->lock);

	mutex_init(&ipa3_ctx->nat_mem.lock);

	mutex_init(&ipa3_ctx->q6_proxy_clk_vote_mutex);

	mutex_init(&ipa3_ctx->ipa_cne_evt_lock);



	idr_init(&ipa3_ctx->ipa_idr);

	spin_lock_init(&ipa3_ctx->idr_lock);

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+9 −0
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ 
#define IPA_IPC_LOG_PAGES 50



#define IPA_PM_THRESHOLD_MAX 2

#define IPA_MAX_NUM_REQ_CACHE 10



#define IPADBG(fmt, args...) \

	do { \
@@ -1106,6 +1107,11 @@ struct ipa_dma_task_info { 
	struct ipahal_imm_cmd_pyld *cmd_pyld;

};



struct ipa_cne_evt {

	struct ipa_wan_msg wan_msg;

	struct ipa_msg_meta msg_meta;

};



/**

 * struct ipa3_context - IPA context

 * @class: pointer to the struct class
@@ -1333,6 +1339,9 @@ struct ipa3_context { 
	u32 ipa_tz_unlock_reg_num;

	struct ipa_tz_unlock_reg_info *ipa_tz_unlock_reg;

	struct ipa_dma_task_info dma_task_info;

	struct ipa_cne_evt ipa_cne_evt_req_cache[IPA_MAX_NUM_REQ_CACHE];

	int num_ipa_cne_evt_req;

	struct mutex ipa_cne_evt_lock;

};



/**