1 files changed, 0 insertions, 360 deletions

diff --git a/drivers/net/wwan/iosm/iosm_ipc_devlink.c b/drivers/net/wwan/iosm/iosm_ipc_devlink.c
deleted file mode 100644
index 592792c277fe..000000000000
--- a/drivers/net/wwan/iosm/iosm_ipc_devlink.c
+++ /dev/null
@@ -1,360 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2020-2021 Intel Corporation.
- */
-
-#include "iosm_ipc_chnl_cfg.h"
-#include "iosm_ipc_coredump.h"
-#include "iosm_ipc_devlink.h"
-#include "iosm_ipc_flash.h"
-
-/* Coredump list */
-static struct iosm_coredump_file_info list[IOSM_NOF_CD_REGION] = {
-	{"report.json", REPORT_JSON_SIZE,},
-	{"coredump.fcd", COREDUMP_FCD_SIZE,},
-	{"cdd.log", CDD_LOG_SIZE,},
-	{"eeprom.bin", EEPROM_BIN_SIZE,},
-	{"bootcore_trace.bin", BOOTCORE_TRC_BIN_SIZE,},
-	{"bootcore_prev_trace.bin", BOOTCORE_PREV_TRC_BIN_SIZE,},
-};
-
-/* Get the param values for the specific param ID's */
-static int ipc_devlink_get_param(struct devlink *dl, u32 id,
-				 struct devlink_param_gset_ctx *ctx)
-{
-	struct iosm_devlink *ipc_devlink = devlink_priv(dl);
-	int rc = 0;
-
-	switch (id) {
-	case IOSM_DEVLINK_PARAM_ID_ERASE_FULL_FLASH:
-		ctx->val.vu8 = ipc_devlink->param.erase_full_flash;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_DOWNLOAD_REGION:
-		ctx->val.vu8 = ipc_devlink->param.download_region;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_ADDRESS:
-		ctx->val.vu32 = ipc_devlink->param.address;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_REGION_COUNT:
-		ctx->val.vu8 = ipc_devlink->param.region_count;
-		break;
-
-	default:
-		rc = -EOPNOTSUPP;
-		break;
-	}
-
-	return rc;
-}
-
-/* Set the param values for the specific param ID's */
-static int ipc_devlink_set_param(struct devlink *dl, u32 id,
-				 struct devlink_param_gset_ctx *ctx)
-{
-	struct iosm_devlink *ipc_devlink = devlink_priv(dl);
-	int rc = 0;
-
-	switch (id) {
-	case IOSM_DEVLINK_PARAM_ID_ERASE_FULL_FLASH:
-		ipc_devlink->param.erase_full_flash = ctx->val.vu8;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_DOWNLOAD_REGION:
-		ipc_devlink->param.download_region = ctx->val.vu8;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_ADDRESS:
-		ipc_devlink->param.address = ctx->val.vu32;
-		break;
-
-	case IOSM_DEVLINK_PARAM_ID_REGION_COUNT:
-		ipc_devlink->param.region_count = ctx->val.vu8;
-		break;
-
-	default:
-		rc = -EOPNOTSUPP;
-		break;
-	}
-
-	return rc;
-}
-
-/* Devlink param structure array */
-static const struct devlink_param iosm_devlink_params[] = {
-	DEVLINK_PARAM_DRIVER(IOSM_DEVLINK_PARAM_ID_ERASE_FULL_FLASH,
-			     "erase_full_flash", DEVLINK_PARAM_TYPE_BOOL,
-			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
-			     ipc_devlink_get_param, ipc_devlink_set_param,
-			     NULL),
-	DEVLINK_PARAM_DRIVER(IOSM_DEVLINK_PARAM_ID_DOWNLOAD_REGION,
-			     "download_region", DEVLINK_PARAM_TYPE_BOOL,
-			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
-			     ipc_devlink_get_param, ipc_devlink_set_param,
-			     NULL),
-	DEVLINK_PARAM_DRIVER(IOSM_DEVLINK_PARAM_ID_ADDRESS,
-			     "address", DEVLINK_PARAM_TYPE_U32,
-			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
-			     ipc_devlink_get_param, ipc_devlink_set_param,
-			     NULL),
-	DEVLINK_PARAM_DRIVER(IOSM_DEVLINK_PARAM_ID_REGION_COUNT,
-			     "region_count", DEVLINK_PARAM_TYPE_U8,
-			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
-			     ipc_devlink_get_param, ipc_devlink_set_param,
-			     NULL),
-};
-
-/* Get devlink flash component type */
-static enum iosm_flash_comp_type
-ipc_devlink_get_flash_comp_type(const char comp_str[], u32 len)
-{
-	enum iosm_flash_comp_type fls_type;
-
-	if (!strncmp("PSI", comp_str, len))
-		fls_type = FLASH_COMP_TYPE_PSI;
-	else if (!strncmp("EBL", comp_str, len))
-		fls_type = FLASH_COMP_TYPE_EBL;
-	else if (!strncmp("FLS", comp_str, len))
-		fls_type = FLASH_COMP_TYPE_FLS;
-	else
-		fls_type = FLASH_COMP_TYPE_INVAL;
-
-	return fls_type;
-}
-
-/* Function triggered on devlink flash command
- * Flash update function which calls multiple functions based on
- * component type specified in the flash command
- */
-static int ipc_devlink_flash_update(struct devlink *devlink,
-				    struct devlink_flash_update_params *params,
-				    struct netlink_ext_ack *extack)
-{
-	struct iosm_devlink *ipc_devlink = devlink_priv(devlink);
-	enum iosm_flash_comp_type fls_type;
-	u32 rc = -EINVAL;
-	u8 *mdm_rsp;
-
-	mdm_rsp = kzalloc(IOSM_EBL_DW_PACK_SIZE, GFP_KERNEL);
-	if (!mdm_rsp)
-		return -ENOMEM;
-
-	fls_type = ipc_devlink_get_flash_comp_type(params->component,
-						   strlen(params->component));
-
-	switch (fls_type) {
-	case FLASH_COMP_TYPE_PSI:
-		rc = ipc_flash_boot_psi(ipc_devlink, params->fw);
-		break;
-	case FLASH_COMP_TYPE_EBL:
-		rc = ipc_flash_boot_ebl(ipc_devlink, params->fw);
-		if (!rc)
-			rc = ipc_flash_boot_set_capabilities(ipc_devlink,
-							     mdm_rsp);
-		if (!rc)
-			rc = ipc_flash_read_swid(ipc_devlink, mdm_rsp);
-		break;
-	case FLASH_COMP_TYPE_FLS:
-		rc = ipc_flash_send_fls(ipc_devlink, params->fw, mdm_rsp);
-		break;
-	default:
-		devlink_flash_update_status_notify(devlink, "Invalid component",
-						   params->component, 0, 0);
-		break;
-	}
-
-	if (!rc)
-		devlink_flash_update_status_notify(devlink, "Flashing success",
-						   params->component, 0, 0);
-	else
-		devlink_flash_update_status_notify(devlink, "Flashing failed",
-						   params->component, 0, 0);
-
-	kfree(mdm_rsp);
-	return rc;
-}
-
-/* Call back function for devlink ops */
-static const struct devlink_ops devlink_flash_ops = {
-	.supported_flash_update_params = DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT,
-	.flash_update = ipc_devlink_flash_update,
-};
-
-/* Send command to modem to collect data */
-int ipc_devlink_send_cmd(struct iosm_devlink *ipc_devlink, u16 cmd, u32 entry)
-{
-	struct iosm_rpsi_cmd rpsi_cmd;
-
-	rpsi_cmd.param.dword = cpu_to_le32(entry);
-	rpsi_cmd.cmd = cpu_to_le16(cmd);
-	rpsi_cmd.crc = rpsi_cmd.param.word[0] ^ rpsi_cmd.param.word[1] ^
-		       rpsi_cmd.cmd;
-
-	return ipc_imem_sys_devlink_write(ipc_devlink, (u8 *)&rpsi_cmd,
-					  sizeof(rpsi_cmd));
-}
-
-static int ipc_devlink_coredump_snapshot(struct devlink *dl,
-					 const struct devlink_region_ops *ops,
-					 struct netlink_ext_ack *extack,
-					 u8 **data)
-{
-	struct iosm_devlink *ipc_devlink = devlink_priv(dl);
-	struct iosm_coredump_file_info *cd_list = ops->priv;
-	u32 region_size;
-	int rc;
-
-	dev_dbg(ipc_devlink->dev, "Region:%s, ID:%d", ops->name,
-		cd_list->entry);
-	region_size = cd_list->default_size;
-	rc = ipc_coredump_collect(ipc_devlink, data, cd_list->entry,
-				  region_size);
-	if (rc) {
-		dev_err(ipc_devlink->dev, "Fail to create snapshot,err %d", rc);
-		goto coredump_collect_err;
-	}
-
-	/* Send coredump end cmd indicating end of coredump collection */
-	if (cd_list->entry == (IOSM_NOF_CD_REGION - 1))
-		ipc_coredump_get_list(ipc_devlink, rpsi_cmd_coredump_end);
-
-	return rc;
-coredump_collect_err:
-	ipc_coredump_get_list(ipc_devlink, rpsi_cmd_coredump_end);
-	return rc;
-}
-
-/* To create regions for coredump files */
-static int ipc_devlink_create_region(struct iosm_devlink *devlink)
-{
-	struct devlink_region_ops *mdm_coredump;
-	int rc = 0;
-	u8 i;
-
-	mdm_coredump = devlink->iosm_devlink_mdm_coredump;
-	for (i = 0; i < IOSM_NOF_CD_REGION; i++) {
-		mdm_coredump[i].name = list[i].filename;
-		mdm_coredump[i].snapshot = ipc_devlink_coredump_snapshot;
-		mdm_coredump[i].destructor = vfree;
-		devlink->cd_regions[i] =
-			devlink_region_create(devlink->devlink_ctx,
-					      &mdm_coredump[i], MAX_SNAPSHOTS,
-					      list[i].default_size);
-
-		if (IS_ERR(devlink->cd_regions[i])) {
-			rc = PTR_ERR(devlink->cd_regions[i]);
-			dev_err(devlink->dev, "Devlink region fail,err %d", rc);
-			/* Delete previously created regions */
-			for ( ; i > 0; i--)
-				devlink_region_destroy(devlink->cd_regions[i]);
-			goto region_create_fail;
-		}
-		list[i].entry = i;
-		mdm_coredump[i].priv = list + i;
-	}
-region_create_fail:
-	return rc;
-}
-
-/* To Destroy devlink regions */
-static void ipc_devlink_destroy_region(struct iosm_devlink *ipc_devlink)
-{
-	u8 i;
-
-	for (i = 0; i < IOSM_NOF_CD_REGION; i++)
-		devlink_region_destroy(ipc_devlink->cd_regions[i]);
-}
-
-/* Handle registration to devlink framework */
-struct iosm_devlink *ipc_devlink_init(struct iosm_imem *ipc_imem)
-{
-	struct ipc_chnl_cfg chnl_cfg_flash = { 0 };
-	struct iosm_devlink *ipc_devlink;
-	struct devlink *devlink_ctx;
-	int rc;
-
-	devlink_ctx = devlink_alloc(&devlink_flash_ops,
-				    sizeof(struct iosm_devlink),
-				    ipc_imem->dev);
-	if (!devlink_ctx) {
-		dev_err(ipc_imem->dev, "devlink_alloc failed");
-		goto devlink_alloc_fail;
-	}
-
-	ipc_devlink = devlink_priv(devlink_ctx);
-	ipc_devlink->devlink_ctx = devlink_ctx;
-	ipc_devlink->pcie = ipc_imem->pcie;
-	ipc_devlink->dev = ipc_imem->dev;
-	rc = devlink_register(devlink_ctx);
-	if (rc) {
-		dev_err(ipc_devlink->dev, "devlink_register failed rc %d", rc);
-		goto free_dl;
-	}
-
-	rc = devlink_params_register(devlink_ctx, iosm_devlink_params,
-				     ARRAY_SIZE(iosm_devlink_params));
-	if (rc) {
-		dev_err(ipc_devlink->dev,
-			"devlink_params_register failed. rc %d", rc);
-		goto param_reg_fail;
-	}
-
-	devlink_params_publish(devlink_ctx);
-	ipc_devlink->cd_file_info = list;
-
-	rc = ipc_devlink_create_region(ipc_devlink);
-	if (rc) {
-		dev_err(ipc_devlink->dev, "Devlink Region create failed, rc %d",
-			rc);
-		goto region_create_fail;
-	}
-
-	if (ipc_chnl_cfg_get(&chnl_cfg_flash, IPC_MEM_CTRL_CHL_ID_7) < 0)
-		goto chnl_get_fail;
-
-	ipc_imem_channel_init(ipc_imem, IPC_CTYPE_CTRL,
-			      chnl_cfg_flash, IRQ_MOD_OFF);
-
-	init_completion(&ipc_devlink->devlink_sio.read_sem);
-	skb_queue_head_init(&ipc_devlink->devlink_sio.rx_list);
-
-	dev_dbg(ipc_devlink->dev, "iosm devlink register success");
-
-	return ipc_devlink;
-
-chnl_get_fail:
-	ipc_devlink_destroy_region(ipc_devlink);
-region_create_fail:
-	devlink_params_unpublish(devlink_ctx);
-	devlink_params_unregister(devlink_ctx, iosm_devlink_params,
-				  ARRAY_SIZE(iosm_devlink_params));
-param_reg_fail:
-	devlink_unregister(devlink_ctx);
-free_dl:
-	devlink_free(devlink_ctx);
-devlink_alloc_fail:
-	return NULL;
-}
-
-/* Handle unregistration of devlink */
-void ipc_devlink_deinit(struct iosm_devlink *ipc_devlink)
-{
-	struct devlink *devlink_ctx = ipc_devlink->devlink_ctx;
-
-	ipc_devlink_destroy_region(ipc_devlink);
-	devlink_params_unpublish(devlink_ctx);
-	devlink_params_unregister(devlink_ctx, iosm_devlink_params,
-				  ARRAY_SIZE(iosm_devlink_params));
-	if (ipc_devlink->devlink_sio.devlink_read_pend) {
-		complete(&ipc_devlink->devlink_sio.read_sem);
-		complete(&ipc_devlink->devlink_sio.channel->ul_sem);
-	}
-	if (!ipc_devlink->devlink_sio.devlink_read_pend)
-		skb_queue_purge(&ipc_devlink->devlink_sio.rx_list);
-
-	ipc_imem_sys_devlink_close(ipc_devlink);
-	devlink_unregister(devlink_ctx);
-	devlink_free(devlink_ctx);
-}