Merge tag 'iwlwifi-next-for-kalle-2022-03-10' of...

Merge tag 'iwlwifi-next-for-kalle-2022-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

iwlwifi patches for v5.18

* Mostly debugging infra changes;
* Some more work on the Bz family of devices;
* Bump the FW API twice;
* Some other small fixes, clean-ups and improvements.

drivers/net/wireless/intel/iwlwifi/cfg/22000.c

 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
  */
 #include <linux/module.h>
 #include <linux/stringify.h>
@@ -10,7 +10,7 @@
 #include "fw/api/txq.h"
 
 /* Highest firmware API version supported */
-#define IWL_22000_UCODE_API_MAX	70
+#define IWL_22000_UCODE_API_MAX	72
 
 /* Lowest firmware API version supported */
 #define IWL_22000_UCODE_API_MIN	39
@@ -391,6 +391,21 @@ const struct iwl_cfg_trans_params iwl_so_long_latency_trans_cfg = {
 	.ltr_delay = IWL_CFG_TRANS_LTR_DELAY_2500US,
 };
 
+const struct iwl_cfg_trans_params iwl_so_long_latency_imr_trans_cfg = {
+	.mq_rx_supported = true,
+	.use_tfh = true,
+	.rf_id = true,
+	.gen2 = true,
+	.device_family = IWL_DEVICE_FAMILY_AX210,
+	.base_params = &iwl_ax210_base_params,
+	.umac_prph_offset = 0x300000,
+	.integrated = true,
+	.low_latency_xtal = true,
+	.xtal_latency = 12000,
+	.ltr_delay = IWL_CFG_TRANS_LTR_DELAY_2500US,
+	.imr_enabled = true,
+};
+
 /*
  * If the device doesn't support HE, no need to have that many buffers.
  * 22000 devices can split multiple frames into a single RB, so fewer are

drivers/net/wireless/intel/iwlwifi/fw/acpi.c

@@ -4,6 +4,7 @@
  * Copyright (C) 2019-2021 Intel Corporation
  */
 #include <linux/uuid.h>
+#include <linux/dmi.h>
 #include "iwl-drv.h"
 #include "iwl-debug.h"
 #include "acpi.h"
@@ -19,6 +20,30 @@ const guid_t iwl_rfi_guid = GUID_INIT(0x7266172C, 0x220B, 0x4B29,
 				      0xDD, 0x26, 0xB5, 0xFD);
 IWL_EXPORT_SYMBOL(iwl_rfi_guid);
 
+static const struct dmi_system_id dmi_ppag_approved_list[] = {
+	{ .ident = "HP",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+		},
+	},
+	{ .ident = "SAMSUNG",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
+		},
+	},
+	{ .ident = "MSFT",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+		},
+	},
+	{ .ident = "ASUS",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek COMPUTER INC."),
+		},
+	},
+	{}
+};
+
 static int iwl_acpi_get_handle(struct device *dev, acpi_string method,
 			       acpi_handle *ret_handle)
 {
@@ -537,8 +562,8 @@ IWL_EXPORT_SYMBOL(iwl_sar_select_profile);
 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
 {
 	union acpi_object *wifi_pkg, *table, *data;
-	bool enabled;
 	int ret, tbl_rev;
+	u32 flags;
 	u8 num_chains, num_sub_bands;
 
 	data = iwl_acpi_get_object(fwrt->dev, ACPI_WRDS_METHOD);
@@ -604,7 +629,8 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
 
 	IWL_DEBUG_RADIO(fwrt, "Reading WRDS tbl_rev=%d\n", tbl_rev);
 
-	enabled = !!(wifi_pkg->package.elements[1].integer.value);
+	flags = wifi_pkg->package.elements[1].integer.value;
+	fwrt->reduced_power_flags = flags >> IWL_REDUCE_POWER_FLAGS_POS;
 
 	/* position of the actual table */
 	table = &wifi_pkg->package.elements[2];
@@ -612,7 +638,8 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
 	/* The profile from WRDS is officially profile 1, but goes
 	 * into sar_profiles[0] (because we don't have a profile 0).
 	 */
-	ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0], enabled,
+	ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0],
+				  flags & IWL_SAR_ENABLE_MSK,
 				  num_chains, num_sub_bands);
 out_free:
 	kfree(data);
@@ -969,3 +996,181 @@ __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
 	return config_bitmap;
 }
 IWL_EXPORT_SYMBOL(iwl_acpi_get_lari_config_bitmap);
+
+int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
+{
+	union acpi_object *wifi_pkg, *data, *flags;
+	int i, j, ret, tbl_rev, num_sub_bands = 0;
+	int idx = 2;
+
+	fwrt->ppag_flags = 0;
+
+	data = iwl_acpi_get_object(fwrt->dev, ACPI_PPAG_METHOD);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	/* try to read ppag table rev 2 or 1 (both have the same data size) */
+	wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data,
+				ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev);
+
+	if (!IS_ERR(wifi_pkg)) {
+		if (tbl_rev == 1 || tbl_rev == 2) {
+			num_sub_bands = IWL_NUM_SUB_BANDS_V2;
+			IWL_DEBUG_RADIO(fwrt,
+					"Reading PPAG table v2 (tbl_rev=%d)\n",
+					tbl_rev);
+			goto read_table;
+		} else {
+			ret = -EINVAL;
+			goto out_free;
+		}
+	}
+
+	/* try to read ppag table revision 0 */
+	wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data,
+			ACPI_PPAG_WIFI_DATA_SIZE_V1, &tbl_rev);
+
+	if (!IS_ERR(wifi_pkg)) {
+		if (tbl_rev != 0) {
+			ret = -EINVAL;
+			goto out_free;
+		}
+		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
+		IWL_DEBUG_RADIO(fwrt, "Reading PPAG table v1 (tbl_rev=0)\n");
+		goto read_table;
+	}
+
+read_table:
+	fwrt->ppag_ver = tbl_rev;
+	flags = &wifi_pkg->package.elements[1];
+
+	if (flags->type != ACPI_TYPE_INTEGER) {
+		ret = -EINVAL;
+		goto out_free;
+	}
+
+	fwrt->ppag_flags = flags->integer.value & ACPI_PPAG_MASK;
+
+	if (!fwrt->ppag_flags) {
+		ret = 0;
+		goto out_free;
+	}
+
+	/*
+	 * read, verify gain values and save them into the PPAG table.
+	 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
+	 * following sub-bands to High-Band (5GHz).
+	 */
+	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
+		for (j = 0; j < num_sub_bands; j++) {
+			union acpi_object *ent;
+
+			ent = &wifi_pkg->package.elements[idx++];
+			if (ent->type != ACPI_TYPE_INTEGER) {
+				ret = -EINVAL;
+				goto out_free;
+			}
+
+			fwrt->ppag_chains[i].subbands[j] = ent->integer.value;
+
+			if ((j == 0 &&
+				(fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_LB ||
+				 fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_LB)) ||
+				(j != 0 &&
+				(fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_HB ||
+				fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_HB))) {
+					fwrt->ppag_flags = 0;
+					ret = -EINVAL;
+					goto out_free;
+				}
+		}
+	}
+
+
+	ret = 0;
+
+out_free:
+	kfree(data);
+	return ret;
+}
+IWL_EXPORT_SYMBOL(iwl_acpi_get_ppag_table);
+
+int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd,
+			int *cmd_size)
+{
+        u8 cmd_ver;
+        int i, j, num_sub_bands;
+        s8 *gain;
+
+        if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
+                IWL_DEBUG_RADIO(fwrt,
+                                "PPAG capability not supported by FW, command not sent.\n");
+                return -EINVAL;
+        }
+        if (!fwrt->ppag_flags) {
+                IWL_DEBUG_RADIO(fwrt, "PPAG not enabled, command not sent.\n");
+                return -EINVAL;
+        }
+
+        /* The 'flags' field is the same in v1 and in v2 so we can just
+         * use v1 to access it.
+         */
+        cmd->v1.flags = cpu_to_le32(fwrt->ppag_flags);
+        cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw,
+                                        WIDE_ID(PHY_OPS_GROUP, PER_PLATFORM_ANT_GAIN_CMD),
+                                        IWL_FW_CMD_VER_UNKNOWN);
+	if (cmd_ver == 1) {
+                num_sub_bands = IWL_NUM_SUB_BANDS_V1;
+                gain = cmd->v1.gain[0];
+                *cmd_size = sizeof(cmd->v1);
+                if (fwrt->ppag_ver == 1 || fwrt->ppag_ver == 2) {
+                        IWL_DEBUG_RADIO(fwrt,
+                                        "PPAG table rev is %d but FW supports v1, sending truncated table\n",
+                                        fwrt->ppag_ver);
+                        cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
+		}
+	} else if (cmd_ver == 2 || cmd_ver == 3) {
+                num_sub_bands = IWL_NUM_SUB_BANDS_V2;
+                gain = cmd->v2.gain[0];
+                *cmd_size = sizeof(cmd->v2);
+                if (fwrt->ppag_ver == 0) {
+                        IWL_DEBUG_RADIO(fwrt,
+                                        "PPAG table is v1 but FW supports v2, sending padded table\n");
+                } else if (cmd_ver == 2 && fwrt->ppag_ver == 2) {
+                        IWL_DEBUG_RADIO(fwrt,
+                                        "PPAG table is v3 but FW supports v2, sending partial bitmap.\n");
+                        cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
+                }
+        } else {
+                IWL_DEBUG_RADIO(fwrt, "Unsupported PPAG command version\n");
+                return -EINVAL;
+        }
+
+	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
+                for (j = 0; j < num_sub_bands; j++) {
+                        gain[i * num_sub_bands + j] =
+                                fwrt->ppag_chains[i].subbands[j];
+                        IWL_DEBUG_RADIO(fwrt,
+                                        "PPAG table: chain[%d] band[%d]: gain = %d\n",
+                                        i, j, gain[i * num_sub_bands + j]);
+                }
+        }
+
+	return 0;
+}
+IWL_EXPORT_SYMBOL(iwl_read_ppag_table);
+
+bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
+{
+
+	if (!dmi_check_system(dmi_ppag_approved_list)) {
+		IWL_DEBUG_RADIO(fwrt,
+			"System vendor '%s' is not in the approved list, disabling PPAG.\n",
+			dmi_get_system_info(DMI_SYS_VENDOR));
+			fwrt->ppag_flags = 0;
+			return false;
+	}
+
+	return true;
+}
+IWL_EXPORT_SYMBOL(iwl_acpi_is_ppag_approved);

drivers/net/wireless/intel/iwlwifi/fw/acpi.h

@@ -91,6 +91,11 @@
 #define ACPI_PPAG_MAX_LB 24
 #define ACPI_PPAG_MIN_HB -16
 #define ACPI_PPAG_MAX_HB 40
+#define ACPI_PPAG_MASK 3
+#define IWL_PPAG_ETSI_MASK BIT(0)
+
+#define IWL_SAR_ENABLE_MSK		BIT(0)
+#define IWL_REDUCE_POWER_FLAGS_POS	1
 
 /*
  * The profile for revision 2 is a superset of revision 1, which is in
@@ -220,6 +225,13 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
 
 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
 
+int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
+
+int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd,
+			int *cmd_size);
+
+bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt);
+
 #else /* CONFIG_ACPI */
 
 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
@@ -307,6 +319,22 @@ static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt
 	return 0;
 }
 
+static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
+{
+	return -ENOENT;
+}
+
+static inline int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt,
+				    union iwl_ppag_table_cmd *cmd, int *cmd_size)
+{
+	return -ENOENT;
+}
+
+static inline bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
+{
+	return false;
+}
+
 #endif /* CONFIG_ACPI */
 
 static inline union acpi_object *

drivers/net/wireless/intel/iwlwifi/fw/api/power.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
  * Copyright (C) 2015-2017 Intel Deutschland GmbH
  */
@@ -340,7 +340,7 @@ struct iwl_dev_tx_power_cmd_v5 {
 } __packed; /* TX_REDUCED_POWER_API_S_VER_5 */
 
 /**
- * struct iwl_dev_tx_power_cmd_v5 - TX power reduction command version 5
+ * struct iwl_dev_tx_power_cmd_v6 - TX power reduction command version 6
  * @per_chain: per chain restrictions
  * @enable_ack_reduction: enable or disable close range ack TX power
  *	reduction.
@@ -360,6 +360,28 @@ struct iwl_dev_tx_power_cmd_v6 {
 	__le32 timer_period;
 } __packed; /* TX_REDUCED_POWER_API_S_VER_6 */
 
+/**
+ * struct iwl_dev_tx_power_cmd_v7 - TX power reduction command version 7
+ * @per_chain: per chain restrictions
+ * @enable_ack_reduction: enable or disable close range ack TX power
+ *	reduction.
+ * @per_chain_restriction_changed: is per_chain_restriction has changed
+ *	from last command. used if set_mode is
+ *	IWL_TX_POWER_MODE_SET_SAR_TIMER.
+ *	note: if not changed, the command is used for keep alive only.
+ * @reserved: reserved (padding)
+ * @timer_period: timer in milliseconds. if expires FW will change to default
+ *	BIOS values. relevant if setMode is IWL_TX_POWER_MODE_SET_SAR_TIMER
+ * @flags: reduce power flags.
+ */
+struct iwl_dev_tx_power_cmd_v7 {
+	__le16 per_chain[IWL_NUM_CHAIN_TABLES_V2][IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS_V2];
+	u8 enable_ack_reduction;
+	u8 per_chain_restriction_changed;
+	u8 reserved[2];
+	__le32 timer_period;
+	__le32 flags;
+} __packed; /* TX_REDUCED_POWER_API_S_VER_7 */
 /**
  * struct iwl_dev_tx_power_cmd - TX power reduction command (multiversion)
  * @common: common part of the command
@@ -375,6 +397,7 @@ struct iwl_dev_tx_power_cmd {
 		struct iwl_dev_tx_power_cmd_v4 v4;
 		struct iwl_dev_tx_power_cmd_v5 v5;
 		struct iwl_dev_tx_power_cmd_v6 v6;
+		struct iwl_dev_tx_power_cmd_v7 v7;
 	};
 };
 

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

@@ -2430,6 +2430,9 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
 	struct iwl_dump_ini_region_data reg_data = {
 		.dump_data = dump_data,
 	};
+	struct iwl_dump_ini_region_data imr_reg_data = {
+		.dump_data = dump_data,
+	};
 	int i;
 	u32 size = 0;
 	u64 regions_mask = le64_to_cpu(trigger->regions_mask) &
@@ -2465,10 +2468,32 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
 				 tp_id);
 			continue;
 		}
+		/*
+		 * DRAM_IMR can be collected only for FW/HW error timepoint
+		 * when fw is not alive. In addition, it must be collected
+		 * lastly as it overwrites SRAM that can possibly contain
+		 * debug data which also need to be collected.
+		 */
+		if (reg_type == IWL_FW_INI_REGION_DRAM_IMR) {
+			if (tp_id == IWL_FW_INI_TIME_POINT_FW_ASSERT ||
+			    tp_id == IWL_FW_INI_TIME_POINT_FW_HW_ERROR)
+				imr_reg_data.reg_tlv = fwrt->trans->dbg.active_regions[i];
+			else
+				IWL_INFO(fwrt,
+					 "WRT: trying to collect DRAM_IMR at time point: %d, skipping\n",
+					 tp_id);
+		/* continue to next region */
+			continue;
+		}
+
 
 		size += iwl_dump_ini_mem(fwrt, list, &reg_data,
 					 &iwl_dump_ini_region_ops[reg_type]);
 	}
+	/* collect DRAM_IMR region in the last */
+	if (imr_reg_data.reg_tlv)
+		size += iwl_dump_ini_mem(fwrt, list, &reg_data,
+					 &iwl_dump_ini_region_ops[IWL_FW_INI_REGION_DRAM_IMR]);
 
 	if (size)
 		size += iwl_dump_ini_info(fwrt, trigger, list);
@@ -2880,6 +2905,11 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
 	if (!test_bit(wk_idx, &fwrt->dump.active_wks))
 		return;
 
+	if (!dump_data->trig) {
+		IWL_ERR(fwrt, "dump trigger data is not set\n");
+		goto out;
+	}
+
 	if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
 		IWL_ERR(fwrt, "Device is not enabled - cannot dump error\n");
 		goto out;
@@ -2967,10 +2997,10 @@ int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
 		 "WRT: Collecting data: ini trigger %d fired (delay=%dms).\n",
 		 tp_id, (u32)(delay / USEC_PER_MSEC));
 
-	schedule_delayed_work(&fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay));
-
 	if (sync)
 		iwl_fw_dbg_collect_sync(fwrt, idx);
+	else
+		schedule_delayed_work(&fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay));
 
 	return 0;
 }

drivers/net/wireless/intel/iwlwifi/fw/file.h

@@ -518,34 +518,6 @@ enum iwl_fw_phy_cfg {
 	FW_PHY_CFG_SHARED_CLK = BIT(31),
 };
 
-#define IWL_UCODE_MAX_CS		1
-
-/**
- * struct iwl_fw_cipher_scheme - a cipher scheme supported by FW.
- * @cipher: a cipher suite selector
- * @flags: cipher scheme flags (currently reserved for a future use)
- * @hdr_len: a size of MPDU security header
- * @pn_len: a size of PN
- * @pn_off: an offset of pn from the beginning of the security header
- * @key_idx_off: an offset of key index byte in the security header
- * @key_idx_mask: a bit mask of key_idx bits
- * @key_idx_shift: bit shift needed to get key_idx
- * @mic_len: mic length in bytes
- * @hw_cipher: a HW cipher index used in host commands
- */
-struct iwl_fw_cipher_scheme {
-	__le32 cipher;
-	u8 flags;
-	u8 hdr_len;
-	u8 pn_len;
-	u8 pn_off;
-	u8 key_idx_off;
-	u8 key_idx_mask;
-	u8 key_idx_shift;
-	u8 mic_len;
-	u8 hw_cipher;
-} __packed;
-
 enum iwl_fw_dbg_reg_operator {
 	CSR_ASSIGN,
 	CSR_SETBIT,

drivers/net/wireless/intel/iwlwifi/fw/img.h

@@ -133,16 +133,6 @@ struct iwl_fw_paging {
 	u32 fw_offs;
 };
 
-/**
- * struct iwl_fw_cscheme_list - a cipher scheme list
- * @size: a number of entries
- * @cs: cipher scheme entries
- */
-struct iwl_fw_cscheme_list {
-	u8 size;
-	struct iwl_fw_cipher_scheme cs[];
-} __packed;
-
 /**
  * enum iwl_fw_type - iwlwifi firmware type
  * @IWL_FW_DVM: DVM firmware
@@ -197,7 +187,6 @@ struct iwl_dump_exclude {
  * @inst_evtlog_size: event log size for runtime ucode.
  * @inst_errlog_ptr: error log offfset for runtime ucode.
  * @type: firmware type (&enum iwl_fw_type)
- * @cipher_scheme: optional external cipher scheme.
  * @human_readable: human readable version
  *	we get the ALIVE from the uCode
  * @phy_integration_ver: PHY integration version string
@@ -228,7 +217,6 @@ struct iwl_fw {
 
 	enum iwl_fw_type type;
 
-	struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
 	u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
 
 	struct iwl_fw_dbg dbg;

drivers/net/wireless/intel/iwlwifi/fw/runtime.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright (C) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
  */
 #ifndef __iwl_fw_runtime_h__
 #define __iwl_fw_runtime_h__
@@ -163,6 +163,7 @@ struct iwl_fw_runtime {
 	u32 ppag_ver;
 	struct iwl_sar_offset_mapping_cmd sgom_table;
 	bool sgom_enabled;
+	u8 reduced_power_flags;
 #endif
 };
 

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -260,6 +260,7 @@ enum iwl_cfg_trans_ltr_delay {
  * @integrated: discrete or integrated
  * @low_latency_xtal: use the low latency xtal if supported
  * @ltr_delay: LTR delay parameter, &enum iwl_cfg_trans_ltr_delay.
+ * @imr_enabled: use the IMR if supported.
  */
 struct iwl_cfg_trans_params {
 	const struct iwl_base_params *base_params;
@@ -274,7 +275,8 @@ struct iwl_cfg_trans_params {
 	    integrated:1,
 	    low_latency_xtal:1,
 	    bisr_workaround:1,
-	    ltr_delay:2;
+	    ltr_delay:2,
+	    imr_enabled:1;
 };
 
 /**
@@ -491,6 +493,7 @@ extern const struct iwl_cfg_trans_params iwl_ax200_trans_cfg;
 extern const struct iwl_cfg_trans_params iwl_snj_trans_cfg;
 extern const struct iwl_cfg_trans_params iwl_so_trans_cfg;
 extern const struct iwl_cfg_trans_params iwl_so_long_latency_trans_cfg;
+extern const struct iwl_cfg_trans_params iwl_so_long_latency_imr_trans_cfg;
 extern const struct iwl_cfg_trans_params iwl_ma_trans_cfg;
 extern const struct iwl_cfg_trans_params iwl_bz_trans_cfg;
 extern const char iwl9162_name[];

drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2018, 2020-2021 Intel Corporation
+ * Copyright (C) 2018, 2020-2022 Intel Corporation
  */
 #ifndef __iwl_context_info_file_gen3_h__
 #define __iwl_context_info_file_gen3_h__
@@ -34,6 +34,7 @@ enum iwl_prph_scratch_mtr_format {
 
 /**
  * enum iwl_prph_scratch_flags - PRPH scratch control flags
+ * @IWL_PRPH_SCRATCH_IMR_DEBUG_EN: IMR support for debug
  * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf
  * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated
  *	in hwm config.
@@ -55,6 +56,7 @@ enum iwl_prph_scratch_mtr_format {
  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K: 16kB RB size
  */
 enum iwl_prph_scratch_flags {
+	IWL_PRPH_SCRATCH_IMR_DEBUG_EN		= BIT(1),
 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),

drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
  */
 #ifndef __iwl_dbg_tlv_h__
 #define __iwl_dbg_tlv_h__
@@ -10,6 +10,8 @@
 #include <fw/file.h>
 #include <fw/api/dbg-tlv.h>
 
+#define IWL_DBG_TLV_MAX_PRESET 15
+
 /**
  * struct iwl_dbg_tlv_node - debug TLV node
  * @list: list of &struct iwl_dbg_tlv_node

drivers/net/wireless/intel/iwlwifi/iwl-drv.c

@@ -324,30 +324,6 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces,
 	pieces->img[type].sec[sec].offset = offset;
 }
 
-static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
-{
-	int i, j;
-	const struct iwl_fw_cscheme_list *l =
-		(const struct iwl_fw_cscheme_list *)data;
-	const struct iwl_fw_cipher_scheme *fwcs;
-
-	if (len < sizeof(*l) ||
-	    len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
-		return -EINVAL;
-
-	for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
-		fwcs = &l->cs[j];
-
-		/* we skip schemes with zero cipher suite selector */
-		if (!fwcs->cipher)
-			continue;
-
-		fw->cs[j++] = *fwcs;
-	}
-
-	return 0;
-}
-
 /*
  * Gets uCode section from tlv.
  */
@@ -926,10 +902,6 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 				return -EINVAL;
 			}
 			break;
-		case IWL_UCODE_TLV_CSCHEME:
-			if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
-				goto invalid_tlv_len;
-			break;
 		case IWL_UCODE_TLV_N_SCAN_CHANNELS:
 			if (tlv_len != sizeof(u32))
 				goto invalid_tlv_len;
@@ -1796,6 +1768,7 @@ void iwl_drv_stop(struct iwl_drv *drv)
 	kfree(drv);
 }
 
+#define ENABLE_INI	(IWL_DBG_TLV_MAX_PRESET + 1)
 
 /* shared module parameters */
 struct iwl_mod_params iwlwifi_mod_params = {
@@ -1803,7 +1776,7 @@ struct iwl_mod_params iwlwifi_mod_params = {
 	.bt_coex_active = true,
 	.power_level = IWL_POWER_INDEX_1,
 	.uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
-	.enable_ini = true,
+	.enable_ini = ENABLE_INI,
 	/* the rest are 0 by default */
 };
 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
@@ -1915,10 +1888,42 @@ MODULE_PARM_DESC(nvm_file, "NVM file name");
 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
 MODULE_PARM_DESC(uapsd_disable,
 		 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
-module_param_named(enable_ini, iwlwifi_mod_params.enable_ini,
-		   bool, S_IRUGO | S_IWUSR);
+
+static int enable_ini_set(const char *arg, const struct kernel_param *kp)
+{
+	int ret = 0;
+	bool res;
+	__u32 new_enable_ini;
+
+	/* in case the argument type is a number */
+	ret = kstrtou32(arg, 0, &new_enable_ini);
+	if (!ret) {
+		if (new_enable_ini > ENABLE_INI) {
+			pr_err("enable_ini cannot be %d, in range 0-16\n", new_enable_ini);
+			return -EINVAL;
+		}
+		goto out;
+	}
+
+	/* in case the argument type is boolean */
+	ret = kstrtobool(arg, &res);
+	if (ret)
+		return ret;
+	new_enable_ini = (res ? ENABLE_INI : 0);
+
+out:
+	iwlwifi_mod_params.enable_ini = new_enable_ini;
+	return 0;
+}
+
+static const struct kernel_param_ops enable_ini_ops = {
+	.set = enable_ini_set
+};
+
+module_param_cb(enable_ini, &enable_ini_ops, &iwlwifi_mod_params.enable_ini, 0644);
 MODULE_PARM_DESC(enable_ini,
-		 "Enable debug INI TLV FW debug infrastructure (default: true");
+		 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"
+		 "Debug INI TLV FW debug infrastructure (default: 16)");
 
 /*
  * set bt_coex_active to true, uCode will do kill/defer

drivers/net/wireless/intel/iwlwifi/iwl-modparams.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2005-2014, 2018-2022 Intel Corporation
  */
 #ifndef __iwl_modparams_h__
 #define __iwl_modparams_h__
@@ -83,7 +83,8 @@ struct iwl_mod_params {
 	 */
 	bool disable_11ax;
 	bool remove_when_gone;
-	bool enable_ini;
+	u32 enable_ini;
+	bool disable_11be;
 };
 
 static inline bool iwl_enable_rx_ampdu(void)

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -25,9 +25,6 @@
 #define MVM_UCODE_ALIVE_TIMEOUT	(HZ)
 #define MVM_UCODE_CALIB_TIMEOUT	(2 * HZ)
 
-#define IWL_PPAG_MASK 3
-#define IWL_PPAG_ETSI_MASK BIT(0)
-
 #define IWL_TAS_US_MCC 0x5553
 #define IWL_TAS_CANADA_MCC 0x4341
 
@@ -124,6 +121,7 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 	u32 lmac_error_event_table, umac_error_table;
 	u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
 					      UCODE_ALIVE_NTFY, 0);
+	u32 i;
 
 	if (version == 6) {
 		struct iwl_alive_ntf_v6 *palive;
@@ -146,6 +144,28 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 			     mvm->trans->dbg.imr_data.imr_enable,
 			     mvm->trans->dbg.imr_data.imr_size,
 			     le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr));
+
+		if (!mvm->trans->dbg.imr_data.imr_enable) {
+			for (i = 0; i < ARRAY_SIZE(mvm->trans->dbg.active_regions); i++) {
+				struct iwl_ucode_tlv *reg_tlv;
+				struct iwl_fw_ini_region_tlv *reg;
+
+				reg_tlv = mvm->trans->dbg.active_regions[i];
+				if (!reg_tlv)
+					continue;
+
+				reg = (void *)reg_tlv->data;
+				/*
+				 * We have only one DRAM IMR region, so we
+				 * can break as soon as we find the first
+				 * one.
+				 */
+				if (reg->type == IWL_FW_INI_REGION_DRAM_IMR) {
+					mvm->trans->dbg.unsupported_region_msk |= BIT(i);
+					break;
+				}
+			}
+		}
 	}
 
 	if (version >= 5) {
@@ -806,8 +826,12 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 	u32 n_subbands;
 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
 					   IWL_FW_CMD_VER_UNKNOWN);
-
-	if (cmd_ver == 6) {
+	if (cmd_ver == 7) {
+		len = sizeof(cmd.v7);
+		n_subbands = IWL_NUM_SUB_BANDS_V2;
+		per_chain = cmd.v7.per_chain[0][0];
+		cmd.v7.flags = cpu_to_le32(mvm->fwrt.reduced_power_flags);
+	} else if (cmd_ver == 6) {
 		len = sizeof(cmd.v6);
 		n_subbands = IWL_NUM_SUB_BANDS_V2;
 		per_chain = cmd.v6.per_chain[0][0];
@@ -985,161 +1009,15 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
 }
 
-static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
-{
-	union acpi_object *wifi_pkg, *data, *flags;
-	int i, j, ret, tbl_rev, num_sub_bands;
-	int idx = 2;
-
-	mvm->fwrt.ppag_flags = 0;
-
-	data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
-	if (IS_ERR(data))
-		return PTR_ERR(data);
-
-	/* try to read ppag table rev 2 or 1 (both have the same data size) */
-	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
-					 ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev);
-	if (!IS_ERR(wifi_pkg)) {
-		if (tbl_rev == 1 || tbl_rev == 2) {
-			num_sub_bands = IWL_NUM_SUB_BANDS_V2;
-			IWL_DEBUG_RADIO(mvm,
-					"Reading PPAG table v2 (tbl_rev=%d)\n",
-					tbl_rev);
-			goto read_table;
-		} else {
-			ret = -EINVAL;
-			goto out_free;
-		}
-	}
-
-	/* try to read ppag table revision 0 */
-	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
-					 ACPI_PPAG_WIFI_DATA_SIZE_V1, &tbl_rev);
-	if (!IS_ERR(wifi_pkg)) {
-		if (tbl_rev != 0) {
-			ret = -EINVAL;
-			goto out_free;
-		}
-		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
-		IWL_DEBUG_RADIO(mvm, "Reading PPAG table v1 (tbl_rev=0)\n");
-		goto read_table;
-	}
-	ret = PTR_ERR(wifi_pkg);
-	goto out_free;
-
-read_table:
-	mvm->fwrt.ppag_ver = tbl_rev;
-	flags = &wifi_pkg->package.elements[1];
-
-	if (flags->type != ACPI_TYPE_INTEGER) {
-		ret = -EINVAL;
-		goto out_free;
-	}
-
-	mvm->fwrt.ppag_flags = flags->integer.value & IWL_PPAG_MASK;
-
-	if (!mvm->fwrt.ppag_flags) {
-		ret = 0;
-		goto out_free;
-	}
-
-	/*
-	 * read, verify gain values and save them into the PPAG table.
-	 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
-	 * following sub-bands to High-Band (5GHz).
-	 */
-	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
-		for (j = 0; j < num_sub_bands; j++) {
-			union acpi_object *ent;
-
-			ent = &wifi_pkg->package.elements[idx++];
-			if (ent->type != ACPI_TYPE_INTEGER) {
-				ret = -EINVAL;
-				goto out_free;
-			}
-
-			mvm->fwrt.ppag_chains[i].subbands[j] = ent->integer.value;
-
-			if ((j == 0 &&
-			     (mvm->fwrt.ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_LB ||
-			      mvm->fwrt.ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_LB)) ||
-			    (j != 0 &&
-			     (mvm->fwrt.ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_HB ||
-			      mvm->fwrt.ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_HB))) {
-				mvm->fwrt.ppag_flags = 0;
-				ret = -EINVAL;
-				goto out_free;
-			}
-		}
-	}
-
-	ret = 0;
-out_free:
-	kfree(data);
-	return ret;
-}
-
 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 {
 	union iwl_ppag_table_cmd cmd;
-	u8 cmd_ver;
-	int i, j, ret, num_sub_bands, cmd_size;
-	s8 *gain;
+	int ret, cmd_size;
 
-	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
-		IWL_DEBUG_RADIO(mvm,
-				"PPAG capability not supported by FW, command not sent.\n");
-		return 0;
-	}
-	if (!mvm->fwrt.ppag_flags) {
-		IWL_DEBUG_RADIO(mvm, "PPAG not enabled, command not sent.\n");
-		return 0;
-	}
-
-	/* The 'flags' field is the same in v1 and in v2 so we can just
-	 * use v1 to access it.
-	 */
-	cmd.v1.flags = cpu_to_le32(mvm->fwrt.ppag_flags);
-	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
-					WIDE_ID(PHY_OPS_GROUP, PER_PLATFORM_ANT_GAIN_CMD),
-					IWL_FW_CMD_VER_UNKNOWN);
-	if (cmd_ver == 1) {
-		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
-		gain = cmd.v1.gain[0];
-		cmd_size = sizeof(cmd.v1);
-		if (mvm->fwrt.ppag_ver == 1 || mvm->fwrt.ppag_ver == 2) {
-			IWL_DEBUG_RADIO(mvm,
-					"PPAG table rev is %d but FW supports v1, sending truncated table\n",
-					mvm->fwrt.ppag_ver);
-			cmd.v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
-		}
-	} else if (cmd_ver == 2 || cmd_ver == 3) {
-		num_sub_bands = IWL_NUM_SUB_BANDS_V2;
-		gain = cmd.v2.gain[0];
-		cmd_size = sizeof(cmd.v2);
-		if (mvm->fwrt.ppag_ver == 0) {
-			IWL_DEBUG_RADIO(mvm,
-					"PPAG table is v1 but FW supports v2, sending padded table\n");
-		} else if (cmd_ver == 2 && mvm->fwrt.ppag_ver == 2) {
-			IWL_DEBUG_RADIO(mvm,
-					"PPAG table is v3 but FW supports v2, sending partial bitmap.\n");
-			cmd.v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
-		}
-	} else {
-		IWL_DEBUG_RADIO(mvm, "Unsupported PPAG command version\n");
-		return 0;
-	}
+	ret = iwl_read_ppag_table(&mvm->fwrt, &cmd, &cmd_size);
+	if(ret < 0)
+		return ret;
 
-	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
-		for (j = 0; j < num_sub_bands; j++) {
-			gain[i * num_sub_bands + j] =
-				mvm->fwrt.ppag_chains[i].subbands[j];
-			IWL_DEBUG_RADIO(mvm,
-					"PPAG table: chain[%d] band[%d]: gain = %d\n",
-					i, j, gain[i * num_sub_bands + j]);
-		}
-	}
 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
 						PER_PLATFORM_ANT_GAIN_CMD),
@@ -1151,40 +1029,11 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 	return ret;
 }
 
-static const struct dmi_system_id dmi_ppag_approved_list[] = {
-	{ .ident = "HP",
-	  .matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-		},
-	},
-	{ .ident = "SAMSUNG",
-	  .matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
-		},
-	},
-	{ .ident = "MSFT",
-	  .matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
-		},
-	},
-	{ .ident = "ASUS",
-	  .matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek COMPUTER INC."),
-		},
-	},
-	{}
-};
-
 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
 {
 	/* no need to read the table, done in INIT stage */
-	if (!dmi_check_system(dmi_ppag_approved_list)) {
-		IWL_DEBUG_RADIO(mvm,
-				"System vendor '%s' is not in the approved list, disabling PPAG.\n",
-				dmi_get_system_info(DMI_SYS_VENDOR));
-		mvm->fwrt.ppag_flags = 0;
+	if (!(iwl_acpi_is_ppag_approved(&mvm->fwrt)))
 		return 0;
-	}
 
 	return iwl_mvm_ppag_send_cmd(mvm);
 }
@@ -1411,7 +1260,7 @@ void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
 	int ret;
 
 	/* read PPAG table */
-	ret = iwl_mvm_get_ppag_table(mvm);
+	ret = iwl_acpi_get_ppag_table(&mvm->fwrt);
 	if (ret < 0) {
 		IWL_DEBUG_RADIO(mvm,
 				"PPAG BIOS table invalid or unavailable. (%d)\n",

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

@@ -448,28 +448,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 		hw->wiphy->n_cipher_suites++;
 	}
 
-	/* currently FW API supports only one optional cipher scheme */
-	if (mvm->fw->cs[0].cipher) {
-		const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0];
-		struct ieee80211_cipher_scheme *cs = &mvm->cs[0];
-
-		mvm->hw->n_cipher_schemes = 1;
-
-		cs->cipher = le32_to_cpu(fwcs->cipher);
-		cs->iftype = BIT(NL80211_IFTYPE_STATION);
-		cs->hdr_len = fwcs->hdr_len;
-		cs->pn_len = fwcs->pn_len;
-		cs->pn_off = fwcs->pn_off;
-		cs->key_idx_off = fwcs->key_idx_off;
-		cs->key_idx_mask = fwcs->key_idx_mask;
-		cs->key_idx_shift = fwcs->key_idx_shift;
-		cs->mic_len = fwcs->mic_len;
-
-		mvm->hw->cipher_schemes = mvm->cs;
-		mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher;
-		hw->wiphy->n_cipher_suites++;
-	}
-
 	if (fw_has_capa(&mvm->fw->ucode_capa,
 			IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) {
 		wiphy_ext_feature_set(hw->wiphy,
@@ -1336,7 +1314,9 @@ static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
 		cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
 
-	if (cmd_ver == 6)
+	if (cmd_ver == 7)
+		len = sizeof(cmd.v7);
+	else if (cmd_ver == 6)
 		len = sizeof(cmd.v6);
 	else if (fw_has_api(&mvm->fw->ucode_capa,
 			    IWL_UCODE_TLV_API_REDUCE_TX_POWER))
@@ -3742,11 +3722,6 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 		/* support HW crypto on TX */
 		return 0;
 	default:
-		/* currently FW supports only one optional cipher scheme */
-		if (hw->n_cipher_schemes &&
-		    hw->cipher_schemes->cipher == key->cipher)
-			key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
-		else
 		return -EOPNOTSUPP;
 	}
 

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -1075,7 +1075,6 @@ struct iwl_mvm {
 
 
 	u32 ciphers[IWL_MVM_NUM_CIPHERS];
-	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
 
 	struct cfg80211_ftm_responder_stats ftm_resp_stats;
 	struct {

drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c

 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
  */
 #include "iwl-trans.h"
 #include "iwl-fh.h"
@@ -125,6 +125,9 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 	control_flags |= IWL_PRPH_SCRATCH_MTR_MODE;
 	control_flags |= IWL_PRPH_MTR_FORMAT_256B & IWL_PRPH_SCRATCH_MTR_FORMAT;
 
+	if (trans->trans_cfg->imr_enabled)
+		control_flags |= IWL_PRPH_SCRATCH_IMR_DEBUG_EN;
+
 	/* initialize RX default queue */
 	prph_sc_ctrl->rbd_cfg.free_rbd_addr =
 		cpu_to_le64(trans_pcie->rxq->bd_dma);

drivers/net/wireless/intel/iwlwifi/pcie/drv.c

@@ -491,9 +491,10 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 /* So devices */
 	{IWL_PCI_DEVICE(0x2725, PCI_ANY_ID, iwl_so_trans_cfg)},
 	{IWL_PCI_DEVICE(0x2726, PCI_ANY_ID, iwl_snj_trans_cfg)},
-	{IWL_PCI_DEVICE(0x7A70, PCI_ANY_ID, iwl_so_long_latency_trans_cfg)},
+	{IWL_PCI_DEVICE(0x7A70, PCI_ANY_ID, iwl_so_long_latency_imr_trans_cfg)},
 	{IWL_PCI_DEVICE(0x7AF0, PCI_ANY_ID, iwl_so_trans_cfg)},
 	{IWL_PCI_DEVICE(0x51F0, PCI_ANY_ID, iwl_so_long_latency_trans_cfg)},
+	{IWL_PCI_DEVICE(0x51F1, PCI_ANY_ID, iwl_so_long_latency_imr_trans_cfg)},
 	{IWL_PCI_DEVICE(0x54F0, PCI_ANY_ID, iwl_so_long_latency_trans_cfg)},
 	{IWL_PCI_DEVICE(0x7F70, PCI_ANY_ID, iwl_so_trans_cfg)},
 

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -1112,7 +1112,7 @@ static const struct iwl_causes_list causes_list_pre_bz[] = {
 };
 
 static const struct iwl_causes_list causes_list_bz[] = {
-	{MSIX_HW_INT_CAUSES_REG_SW_ERR_BZ,	CSR_MSIX_HW_INT_MASK_AD, 0x29},
+	{MSIX_HW_INT_CAUSES_REG_SW_ERR_BZ,	CSR_MSIX_HW_INT_MASK_AD, 0x15},
 };
 
 static void iwl_pcie_map_list(struct iwl_trans *trans,

drivers/net/wireless/intel/iwlwifi/queue/tx.c

@@ -1199,6 +1199,10 @@ int iwl_txq_dyn_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask,
 	};
 	int ret;
 
+	if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_BZ &&
+	    trans->hw_rev_step == SILICON_A_STEP)
+		size = 4096;
+
 	txq = iwl_txq_dyn_alloc_dma(trans, size, timeout);
 	if (IS_ERR(txq))
 		return PTR_ERR(txq);