1 files changed, 40 insertions, 114 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 0c188a82cfc1..ad18c2f1a806 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -1056,19 +1056,11 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
 				      size_t count, loff_t *ppos)
 {
-	int ret;
-
 	if (!iwl_mvm_firmware_running(mvm))
 		return -EIO;
 
-	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
-	if (ret)
-		return ret;
-
 	iwl_force_nmi(mvm->trans);
 
-	iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
-
 	return count;
 }
 
@@ -1181,8 +1173,8 @@ static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
 	struct iwl_rx_mpdu_desc *desc;
 	int bin_len = count / 2;
 	int ret = -EINVAL;
-	size_t mpdu_cmd_hdr_size =
-		(mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ?
+	size_t mpdu_cmd_hdr_size = (mvm->trans->trans_cfg->device_family >=
+				    IWL_DEVICE_FAMILY_22560) ?
 		sizeof(struct iwl_rx_mpdu_desc) :
 		IWL_RX_DESC_SIZE_V1;
 
@@ -1190,7 +1182,7 @@ static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
 		return -EIO;
 
 	/* supporting only 9000 descriptor */
-	if (!mvm->trans->cfg->mq_rx_supported)
+	if (!mvm->trans->trans_cfg->mq_rx_supported)
 		return -ENOTSUPP;
 
 	rxb._page = alloc_pages(GFP_ATOMIC, 0);
@@ -1380,19 +1372,12 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
 					      char *buf, size_t count,
 					      loff_t *ppos)
 {
-	int ret;
-
-	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
-	if (ret)
-		return ret;
 	if (count == 0)
 		return 0;
 
 	iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
 			   (count - 1), NULL);
 
-	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
-
 	return count;
 }
 
@@ -1579,87 +1564,6 @@ static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
 }
 #endif
 
-#define PRINT_MVM_REF(ref) do {						\
-	if (mvm->refs[ref])						\
-		pos += scnprintf(buf + pos, bufsz - pos,		\
-				 "\t(0x%lx): %d %s\n",			\
-				 BIT(ref), mvm->refs[ref], #ref);	\
-} while (0)
-
-static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
-					char __user *user_buf,
-					size_t count, loff_t *ppos)
-{
-	struct iwl_mvm *mvm = file->private_data;
-	int i, pos = 0;
-	char buf[256];
-	const size_t bufsz = sizeof(buf);
-	u32 refs = 0;
-
-	for (i = 0; i < IWL_MVM_REF_COUNT; i++)
-		if (mvm->refs[i])
-			refs |= BIT(i);
-
-	pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
-			 refs);
-
-	PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
-	PRINT_MVM_REF(IWL_MVM_REF_SCAN);
-	PRINT_MVM_REF(IWL_MVM_REF_ROC);
-	PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
-	PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
-	PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
-	PRINT_MVM_REF(IWL_MVM_REF_USER);
-	PRINT_MVM_REF(IWL_MVM_REF_TX);
-	PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
-	PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
-	PRINT_MVM_REF(IWL_MVM_REF_START_AP);
-	PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
-	PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
-	PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
-	PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
-	PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
-	PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
-	PRINT_MVM_REF(IWL_MVM_REF_NMI);
-	PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
-	PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
-	PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
-	PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
-	PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE);
-	PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD);
-	PRINT_MVM_REF(IWL_MVM_REF_RX);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
-					 size_t count, loff_t *ppos)
-{
-	unsigned long value;
-	int ret;
-	bool taken;
-
-	ret = kstrtoul(buf, 10, &value);
-	if (ret < 0)
-		return ret;
-
-	mutex_lock(&mvm->mutex);
-
-	taken = mvm->refs[IWL_MVM_REF_USER];
-	if (value == 1 && !taken)
-		iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
-	else if (value == 0 && taken)
-		iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
-	else
-		ret = -EINVAL;
-
-	mutex_unlock(&mvm->mutex);
-
-	if (ret < 0)
-		return ret;
-	return count;
-}
-
 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
 	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@@ -1692,21 +1596,14 @@ iwl_dbgfs_prph_reg_read(struct file *file,
 	int pos = 0;
 	char buf[32];
 	const size_t bufsz = sizeof(buf);
-	int ret;
 
 	if (!mvm->dbgfs_prph_reg_addr)
 		return -EINVAL;
 
-	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
-	if (ret)
-		return ret;
-
 	pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
 		mvm->dbgfs_prph_reg_addr,
 		iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
 
-	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
-
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
@@ -1716,7 +1613,6 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
 {
 	u8 args;
 	u32 value;
-	int ret;
 
 	args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
 	/* if we only want to set the reg address - nothing more to do */
@@ -1727,13 +1623,8 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
 	if (args != 2)
 		return -EINVAL;
 
-	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
-	if (ret)
-		return ret;
-
 	iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
 
-	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
 out:
 	return count;
 }
@@ -1867,6 +1758,38 @@ iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
+static ssize_t
+iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
+			   char *buf, size_t count, loff_t *ppos)
+{
+	int ret;
+	struct iwl_ltr_config_cmd ltr_config = {0};
+
+	if (!iwl_mvm_firmware_running(mvm))
+		return -EIO;
+
+	if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
+		   &ltr_config.flags,
+		   &ltr_config.static_long,
+		   &ltr_config.static_short,
+		   &ltr_config.ltr_cfg_values[0],
+		   &ltr_config.ltr_cfg_values[1],
+		   &ltr_config.ltr_cfg_values[2],
+		   &ltr_config.ltr_cfg_values[3]) != 7) {
+		return -EINVAL;
+	}
+
+	mutex_lock(&mvm->mutex);
+	ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
+				   &ltr_config);
+	mutex_unlock(&mvm->mutex);
+
+	if (ret)
+		IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
+
+	return ret ?: count;
+}
+
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
 
 /* Device wide debugfs entries */
@@ -1892,7 +1815,6 @@ MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
@@ -1916,6 +1838,8 @@ MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
 
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
 
+MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
+
 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
 				  size_t count, loff_t *ppos)
 {
@@ -2091,7 +2015,6 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 	MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
 	MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
 	MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
-	MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, 0600);
 	MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
 	MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
 	MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
@@ -2104,6 +2027,9 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 #endif
 	MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
 
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
+		MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
+
 	debugfs_create_bool("enable_scan_iteration_notif", 0600,
 			    mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
 	debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,