diff --git a/drivers/net/ipa/Makefile b/drivers/net/ipa/Makefile
index 166ef86f7ad3f..d87f2cfe08c61 100644
--- a/drivers/net/ipa/Makefile
+++ b/drivers/net/ipa/Makefile
@@ -4,6 +4,9 @@
 
 IPA_VERSIONS		:=	3.1 3.5.1 4.2 4.5 4.7 4.9 4.11
 
+# Some IPA versions can reuse another set of GSI register definitions.
+GSI_IPA_VERSIONS	:=	3.1
+
 obj-$(CONFIG_QCOM_IPA)	+=	ipa.o
 
 ipa-y			:=	ipa_main.o ipa_power.o ipa_reg.o ipa_mem.o \
@@ -13,6 +16,8 @@ ipa-y			:=	ipa_main.o ipa_power.o ipa_reg.o ipa_mem.o \
 				ipa_resource.o ipa_qmi.o ipa_qmi_msg.o \
 				ipa_sysfs.o
 
+ipa-y			+=	$(GSI_IPA_VERSIONS:%=reg/gsi_reg-v%.o)
+
 ipa-y			+=	$(IPA_VERSIONS:%=reg/ipa_reg-v%.o)
 
 ipa-y			+=	$(IPA_VERSIONS:%=data/ipa_data-v%.o)
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index a000bef49f8e5..f07b7554d21fd 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -16,6 +16,7 @@
 #include <linux/netdevice.h>
 
 #include "gsi.h"
+#include "reg.h"
 #include "gsi_reg.h"
 #include "gsi_private.h"
 #include "gsi_trans.h"
@@ -796,6 +797,7 @@ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell)
 	union gsi_channel_scratch scr = { };
 	struct gsi_channel_scratch_gpi *gpi;
 	struct gsi *gsi = channel->gsi;
+	const struct reg *reg;
 	u32 wrr_weight = 0;
 	u32 val;
 
@@ -819,6 +821,8 @@ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell)
 	val = upper_32_bits(channel->tre_ring.addr);
 	iowrite32(val, gsi->virt + GSI_CH_C_CNTXT_3_OFFSET(channel_id));
 
+	reg = gsi_reg(gsi, CH_C_QOS);
+
 	/* Command channel gets low weighted round-robin priority */
 	if (channel->command)
 		wrr_weight = field_max(WRR_WEIGHT_FMASK);
@@ -845,7 +849,7 @@ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell)
 	if (gsi->version >= IPA_VERSION_4_9)
 		val |= DB_IN_BYTES;
 
-	iowrite32(val, gsi->virt + GSI_CH_C_QOS_OFFSET(channel_id));
+	iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id));
 
 	/* Now update the scratch registers for GPI protocol */
 	gpi = &scr.gpi;
diff --git a/drivers/net/ipa/gsi.h b/drivers/net/ipa/gsi.h
index 49dcadba4e0b9..bc5ff617341a7 100644
--- a/drivers/net/ipa/gsi.h
+++ b/drivers/net/ipa/gsi.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 
 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- * Copyright (C) 2018-2022 Linaro Ltd.
+ * Copyright (C) 2018-2023 Linaro Ltd.
  */
 #ifndef _GSI_H_
 #define _GSI_H_
@@ -142,6 +142,8 @@ struct gsi {
 	enum ipa_version version;
 	void __iomem *virt_raw;		/* I/O mapped address range */
 	void __iomem *virt;		/* Adjusted for most registers */
+	const struct regs *regs;
+
 	u32 irq;
 	u32 channel_count;
 	u32 evt_ring_count;
diff --git a/drivers/net/ipa/gsi_reg.c b/drivers/net/ipa/gsi_reg.c
index c20b3bcdd4151..2334244d40da0 100644
--- a/drivers/net/ipa/gsi_reg.c
+++ b/drivers/net/ipa/gsi_reg.c
@@ -6,6 +6,7 @@
 #include <linux/io.h>
 
 #include "gsi.h"
+#include "reg.h"
 #include "gsi_reg.h"
 
 /* GSI EE registers as a group are shifted downward by a fixed constant amount
@@ -85,6 +86,31 @@ static bool gsi_reg_id_valid(struct gsi *gsi, enum gsi_reg_id reg_id)
 	}
 }
 
+const struct reg *gsi_reg(struct gsi *gsi, enum gsi_reg_id reg_id)
+{
+	if (WARN(!gsi_reg_id_valid(gsi, reg_id), "invalid reg %u\n", reg_id))
+		return NULL;
+
+	return reg(gsi->regs, reg_id);
+}
+
+static const struct regs *gsi_regs(struct gsi *gsi)
+{
+	switch (gsi->version) {
+	case IPA_VERSION_3_1:
+	case IPA_VERSION_3_5_1:
+	case IPA_VERSION_4_2:
+	case IPA_VERSION_4_5:
+	case IPA_VERSION_4_7:
+	case IPA_VERSION_4_9:
+	case IPA_VERSION_4_11:
+		return &gsi_regs_v3_1;
+
+	default:
+		return NULL;
+	}
+}
+
 /* Sets gsi->virt_raw and gsi->virt, and I/O maps the "gsi" memory range */
 int gsi_reg_init(struct gsi *gsi, struct platform_device *pdev)
 {
@@ -93,8 +119,6 @@ int gsi_reg_init(struct gsi *gsi, struct platform_device *pdev)
 	resource_size_t size;
 	u32 adjust;
 
-	(void)gsi_reg_id_valid;	/* Avoid a warning */
-
 	/* Get GSI memory range and map it */
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsi");
 	if (!res) {
@@ -116,6 +140,12 @@ int gsi_reg_init(struct gsi *gsi, struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	gsi->regs = gsi_regs(gsi);
+	if (!gsi->regs) {
+		dev_err(dev, "unsupported IPA version %u (?)\n", gsi->version);
+		return -EINVAL;
+	}
+
 	gsi->virt_raw = ioremap(res->start, size);
 	if (!gsi->virt_raw) {
 		dev_err(dev, "unable to remap \"gsi\" memory\n");
diff --git a/drivers/net/ipa/gsi_reg.h b/drivers/net/ipa/gsi_reg.h
index 1f613cd677b01..398546fbfd697 100644
--- a/drivers/net/ipa/gsi_reg.h
+++ b/drivers/net/ipa/gsi_reg.h
@@ -140,8 +140,7 @@ enum gsi_channel_type {
 #define GSI_CH_C_CNTXT_3_OFFSET(ch) \
 			(0x0001c00c + 0x4000 * GSI_EE_AP + 0x80 * (ch))
 
-#define GSI_CH_C_QOS_OFFSET(ch) \
-			(0x0001c05c + 0x4000 * GSI_EE_AP + 0x80 * (ch))
+/* CH_C_QOS register */
 #define WRR_WEIGHT_FMASK		GENMASK(3, 0)
 #define MAX_PREFETCH_FMASK		GENMASK(8, 8)
 #define USE_DB_ENG_FMASK		GENMASK(9, 9)
@@ -443,6 +442,15 @@ enum gsi_generic_ee_result {
 	GENERIC_EE_NO_RESOURCES			= 0x7,
 };
 
+extern const struct regs gsi_regs_v3_1;
+
+/**
+ * gsi_reg() - Return the structure describing a GSI register
+ * @gsi:	GSI pointer
+ * @reg_id:	GSI register ID
+ */
+const struct reg *gsi_reg(struct gsi *gsi, enum gsi_reg_id reg_id);
+
 /**
  * gsi_reg_init() - Perform GSI register initialization
  * @gsi:	GSI pointer
diff --git a/drivers/net/ipa/reg/gsi_reg-v3.1.c b/drivers/net/ipa/reg/gsi_reg-v3.1.c
new file mode 100644
index 0000000000000..c4d4beb7738f3
--- /dev/null
+++ b/drivers/net/ipa/reg/gsi_reg-v3.1.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* Copyright (C) 2023 Linaro Ltd. */
+
+#include <linux/types.h>
+
+#include "../gsi.h"
+#include "../reg.h"
+#include "../gsi_reg.h"
+
+REG_STRIDE(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80);
+
+static const struct reg *reg_array[] = {
+	[CH_C_QOS]			= &reg_ch_c_qos,
+};
+
+const struct regs gsi_regs_v3_1 = {
+	.reg_count	= ARRAY_SIZE(reg_array),
+	.reg		= reg_array,
+};