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Commit 201120b2 authored by Ravi Gummadidala's avatar Ravi Gummadidala
Browse files

msm: ipa: add support to query and use smem restricted bytes 



Currently WAN driver client is hard-coding this value which is
HW version dependent causing AP and modem to go out of sync.

Change-Id: I09a988a0c35ade72a96617281f963bdb0feb6dec
Acked-by: default avatarSunil Kumar Paidimarri <hisunil@qti.qualcomm.com>
Signed-off-by: default avatarRavi Gummadidala <rgummadi@codeaurora.org>
parent 1dd1f498

drivers/platform/msm/ipa/ipa_qmi_service.c

+12 −7
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/delay.h>

#include <linux/uaccess.h>

#include <soc/qcom/subsystem_restart.h>

#include <linux/ipa.h>



#include "ipa_qmi_service.h"

#include "ipa_ram_mmap.h"
@@ -338,6 +339,7 @@ static int qmi_init_modem_send_sync_msg(void) 
	struct ipa_init_modem_driver_resp_msg_v01 resp;

	struct msg_desc req_desc, resp_desc;

	int rc;

	u16 smem_restr_bytes = ipa_get_smem_restr_bytes();



	memset(&req, 0, sizeof(struct ipa_init_modem_driver_req_msg_v01));

	memset(&resp, 0, sizeof(struct ipa_init_modem_driver_resp_msg_v01));
@@ -345,23 +347,26 @@ static int qmi_init_modem_send_sync_msg(void) 
	req.platform_type = ipa_wan_platform;

	req.hdr_tbl_info_valid = true;

	req.hdr_tbl_info.modem_offset_start =

		IPA_MEM_PART(modem_hdr_ofst) + 256;

		IPA_MEM_PART(modem_hdr_ofst) + smem_restr_bytes;

	req.hdr_tbl_info.modem_offset_end = IPA_MEM_PART(modem_hdr_ofst) +

		256 + IPA_MEM_PART(modem_hdr_size) - 1;

		smem_restr_bytes + IPA_MEM_PART(modem_hdr_size) - 1;

	req.v4_route_tbl_info_valid = true;

	req.v4_route_tbl_info.route_tbl_start_addr = IPA_MEM_PART(v4_rt_ofst) +

		256;

		smem_restr_bytes;

	req.v4_route_tbl_info.num_indices = IPA_MEM_PART(v4_modem_rt_index_hi);

	req.v6_route_tbl_info_valid = true;

	req.v6_route_tbl_info.route_tbl_start_addr = IPA_MEM_PART(v6_rt_ofst) +

		256;

		smem_restr_bytes;

	req.v6_route_tbl_info.num_indices = IPA_MEM_PART(v6_modem_rt_index_hi);

	req.v4_filter_tbl_start_addr_valid = true;

	req.v4_filter_tbl_start_addr = IPA_MEM_PART(v4_flt_ofst) + 256;

	req.v4_filter_tbl_start_addr =

		IPA_MEM_PART(v4_flt_ofst) + smem_restr_bytes;

	req.v6_filter_tbl_start_addr_valid = true;

	req.v6_filter_tbl_start_addr = IPA_MEM_PART(v6_flt_ofst) + 256;

	req.v6_filter_tbl_start_addr =

		IPA_MEM_PART(v6_flt_ofst) + smem_restr_bytes;

	req.modem_mem_info_valid = true;

	req.modem_mem_info.block_start_addr = IPA_MEM_PART(modem_ofst) + 256;

	req.modem_mem_info.block_start_addr =

		IPA_MEM_PART(modem_ofst) + smem_restr_bytes;

	req.modem_mem_info.size = IPA_MEM_PART(modem_size);

	req.ctrl_comm_dest_end_pt_valid = true;

	req.ctrl_comm_dest_end_pt =

drivers/platform/msm/ipa/ipa_utils.c

+11 −0
Original line number Diff line number Diff line
@@ -4605,3 +4605,14 @@ enum ipa_hw_type ipa_get_hw_type(void) 
		return IPA_HW_None;

}

EXPORT_SYMBOL(ipa_get_hw_type);



u16 ipa_get_smem_restr_bytes(void)

{

	if (ipa_ctx) {

		return ipa_ctx->smem_restricted_bytes;

	} else {

		IPAERR("IPA Driver not initialized\n");

		return 0;

	}

}

EXPORT_SYMBOL(ipa_get_smem_restr_bytes);

include/linux/ipa.h

+6 −0
Original line number Diff line number Diff line
@@ -1094,6 +1094,7 @@ int ipa_disable_wdi_pipe(u32 clnt_hdl); 
int ipa_resume_wdi_pipe(u32 clnt_hdl);

int ipa_suspend_wdi_pipe(u32 clnt_hdl);

int ipa_get_wdi_stats(struct IpaHwStatsWDIInfoData_t *stats);

u16 ipa_get_smem_restr_bytes(void);



/*

 * Resource manager
@@ -1530,6 +1531,11 @@ static inline void ipa_free_skb(struct ipa_rx_data *rx_in) 
/*

 * System pipes

 */

static inline u16 ipa_get_smem_restr_bytes(void)

{

	return -EPERM;

}



static inline int ipa_setup_sys_pipe(struct ipa_sys_connect_params *sys_in,

		u32 *clnt_hdl)

{