diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index b9aae85ba930..6a74317e549e 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -380,7 +380,11 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata,
 	ddev->type = feature_dev_id_type(pdev);
 	ddev->feature_id = feature->id;
 	ddev->revision = feature->revision;
+	ddev->dfh_version = feature->dfh_version;
 	ddev->cdev = pdata->dfl_cdev;
+	ddev->csr_res.start = feature->csr_res.start;
+	ddev->csr_res.end = feature->csr_res.end;
+	ddev->csr_res.flags = IORESOURCE_MEM;
 
 	/* add mmio resource */
 	parent_res = &pdev->resource[feature->resource_index];
@@ -708,18 +712,24 @@ struct build_feature_devs_info {
  * struct dfl_feature_info - sub feature info collected during feature dev build
  *
  * @fid: id of this sub feature.
+ * @revision: revision of this sub feature
+ * @dfh_version: version of Device Feature Header (DFH)
  * @mmio_res: mmio resource of this sub feature.
  * @ioaddr: mapped base address of mmio resource.
  * @node: node in sub_features linked list.
+ * @csr_res: resource of DFHv1 feature registers
+ * @csr_size: DFHv1 size of feature registers
  * @irq_base: start of irq index in this sub feature.
  * @nr_irqs: number of irqs of this sub feature.
  */
 struct dfl_feature_info {
 	u16 fid;
 	u8 revision;
+	u8 dfh_version;
 	struct resource mmio_res;
 	void __iomem *ioaddr;
 	struct list_head node;
+	struct resource csr_res;
 	unsigned int irq_base;
 	unsigned int nr_irqs;
 };
@@ -797,6 +807,9 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
 		feature->dev = fdev;
 		feature->id = finfo->fid;
 		feature->revision = finfo->revision;
+		feature->dfh_version = finfo->dfh_version;
+		feature->csr_res.start = finfo->csr_res.start;
+		feature->csr_res.end = finfo->csr_res.end;
 
 		/*
 		 * the FIU header feature has some fundamental functions (sriov
@@ -935,55 +948,74 @@ static u16 feature_id(u64 value)
 }
 
 static int parse_feature_irqs(struct build_feature_devs_info *binfo,
-			      resource_size_t ofst, u16 fid,
-			      unsigned int *irq_base, unsigned int *nr_irqs)
+			      resource_size_t ofst, struct dfl_feature_info *finfo)
 {
 	void __iomem *base = binfo->ioaddr + ofst;
 	unsigned int i, ibase, inr = 0;
 	enum dfl_id_type type;
-	int virq;
-	u64 v;
-
-	type = feature_dev_id_type(binfo->feature_dev);
+	u16 fid = finfo->fid;
+	u64 v, dfh_ver;
+	int virq, off;
 
 	/*
 	 * Ideally DFL framework should only read info from DFL header, but
-	 * current version DFL only provides mmio resources information for
+	 * current version, DFHv0, only provides mmio resources information for
 	 * each feature in DFL Header, no field for interrupt resources.
 	 * Interrupt resource information is provided by specific mmio
 	 * registers of each private feature which supports interrupt. So in
 	 * order to parse and assign irq resources, DFL framework has to look
 	 * into specific capability registers of these private features.
 	 *
-	 * Once future DFL version supports generic interrupt resource
-	 * information in common DFL headers, the generic interrupt parsing
-	 * code will be added. But in order to be compatible to old version
+	 * DFHv1 supports generic interrupt resource information in DFHv1
+	 * parameter blocks. But in order to be compatible to old version
 	 * DFL, the driver may still fall back to these quirks.
 	 */
-	if (type == PORT_ID) {
-		switch (fid) {
-		case PORT_FEATURE_ID_UINT:
-			v = readq(base + PORT_UINT_CAP);
-			ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v);
-			inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v);
+
+	switch (finfo->dfh_version) {
+	case 0:
+		type = feature_dev_id_type(binfo->feature_dev);
+		if (type == PORT_ID) {
+			switch (fid) {
+			case PORT_FEATURE_ID_UINT:
+				v = readq(base + PORT_UINT_CAP);
+				ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v);
+				inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v);
+				break;
+			case PORT_FEATURE_ID_ERROR:
+				v = readq(base + PORT_ERROR_CAP);
+				ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v);
+				inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v);
+				break;
+			}
+		} else if (type == FME_ID) {
+			if (fid == FME_FEATURE_ID_GLOBAL_ERR) {
+				v = readq(base + FME_ERROR_CAP);
+				ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v);
+				inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v);
+			}
+		}
+		break;
+
+	case 1:
+		if (!dfhv1_has_params(base))
 			break;
-		case PORT_FEATURE_ID_ERROR:
-			v = readq(base + PORT_ERROR_CAP);
-			ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v);
-			inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v);
+
+		off = dfhv1_find_param(base, ofst, DFHv1_PARAM_ID_MSIX);
+		if (off < 0)
 			break;
-		}
-	} else if (type == FME_ID) {
-		if (fid == FME_FEATURE_ID_GLOBAL_ERR) {
-			v = readq(base + FME_ERROR_CAP);
-			ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v);
-			inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v);
-		}
+
+		ibase = readl(base + off + DFHv1_PARAM_MSIX_STARTV);
+		inr = readl(base + off + DFHv1_PARAM_MSIX_NUMV);
+		break;
+
+	default:
+		dev_warn(binfo->dev, "unexpected DFH version %lld\n", dfh_ver);
+		break;
 	}
 
 	if (!inr) {
-		*irq_base = 0;
-		*nr_irqs = 0;
+		finfo->irq_base = 0;
+		finfo->nr_irqs = 0;
 		return 0;
 	}
 
@@ -1006,8 +1038,8 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
 		}
 	}
 
-	*irq_base = ibase;
-	*nr_irqs = inr;
+	finfo->irq_base = ibase;
+	finfo->nr_irqs = inr;
 
 	return 0;
 }
@@ -1023,8 +1055,8 @@ static int
 create_feature_instance(struct build_feature_devs_info *binfo,
 			resource_size_t ofst, resource_size_t size, u16 fid)
 {
-	unsigned int irq_base, nr_irqs;
 	struct dfl_feature_info *finfo;
+	u8 dfh_version = 0;
 	u8 revision = 0;
 	int ret;
 	u64 v;
@@ -1032,7 +1064,7 @@ create_feature_instance(struct build_feature_devs_info *binfo,
 	if (fid != FEATURE_ID_AFU) {
 		v = readq(binfo->ioaddr + ofst);
 		revision = FIELD_GET(DFH_REVISION, v);
-
+		dfh_version = FIELD_GET(DFH_VERSION, v);
 		/* read feature size and id if inputs are invalid */
 		size = size ? size : feature_size(v);
 		fid = fid ? fid : feature_id(v);
@@ -1041,21 +1073,33 @@ create_feature_instance(struct build_feature_devs_info *binfo,
 	if (binfo->len - ofst < size)
 		return -EINVAL;
 
-	ret = parse_feature_irqs(binfo, ofst, fid, &irq_base, &nr_irqs);
-	if (ret)
-		return ret;
-
 	finfo = kzalloc(sizeof(*finfo), GFP_KERNEL);
 	if (!finfo)
 		return -ENOMEM;
 
 	finfo->fid = fid;
 	finfo->revision = revision;
+	finfo->dfh_version = dfh_version;
 	finfo->mmio_res.start = binfo->start + ofst;
 	finfo->mmio_res.end = finfo->mmio_res.start + size - 1;
 	finfo->mmio_res.flags = IORESOURCE_MEM;
-	finfo->irq_base = irq_base;
-	finfo->nr_irqs = nr_irqs;
+
+	ret = parse_feature_irqs(binfo, ofst, finfo);
+	if (ret)
+		return ret;
+
+	if (dfh_version == 1) {
+		v = readq(binfo->ioaddr + ofst + DFHv1_CSR_ADDR);
+		if (v & DFHv1_CSR_ADDR_REL)
+			finfo->csr_res.start = FIELD_GET(DFHv1_CSR_ADDR_MASK, v);
+		else
+			finfo->csr_res.start = binfo->start + ofst
+					       + FIELD_GET(DFHv1_CSR_ADDR_MASK, v);
+
+		v = readq(binfo->ioaddr + ofst + DFHv1_CSR_SIZE_GRP);
+		finfo->csr_res.end = finfo->csr_res.start
+				     + FIELD_GET(DFHv1_CSR_SIZE_GRP_SIZE, v) - 1;
+	}
 
 	list_add_tail(&finfo->node, &binfo->sub_features);
 	binfo->feature_num++;
@@ -1879,6 +1923,34 @@ long dfl_feature_ioctl_set_irq(struct platform_device *pdev,
 }
 EXPORT_SYMBOL_GPL(dfl_feature_ioctl_set_irq);
 
+int dfhv1_find_param(void __iomem *base, resource_size_t max, int param)
+{
+	int off = DFHv1_PARAM_HDR;
+	u64 v, next;
+
+	while (off < max) {
+		v = readq(base + off);
+		if (param == FIELD_GET(DFHv1_PARAM_HDR_ID, v))
+			return (DFHv1_PARAM_DATA + off);
+
+		next = FIELD_GET(DFHv1_PARAM_HDR_NEXT_OFFSET, v);
+		if (!next)
+			break;
+
+		off += next;
+	}
+
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(dfhv1_find_param);
+
+int dfhv1_has_params(void __iomem *dfh_base)
+{
+	return (FIELD_GET(DFHv1_CSR_SIZE_GRP_HAS_PARAMS,
+		readq(dfh_base + DFHv1_CSR_SIZE_GRP)));
+}
+EXPORT_SYMBOL_GPL(dfhv1_has_params);
+
 static void __exit dfl_fpga_exit(void)
 {
 	dfl_chardev_uinit();
diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h
index bd8720bc5320..0423aa8319ed 100644
--- a/drivers/fpga/dfl.h
+++ b/drivers/fpga/dfl.h
@@ -266,6 +266,7 @@ struct dfl_feature_irq_ctx {
  *		    this index is used to find its mmio resource from the
  *		    feature dev (platform device)'s resources.
  * @ioaddr: mapped mmio resource address.
+ * @csr_res: resource for DFHv1 feature registers
  * @irq_ctx: interrupt context list.
  * @nr_irqs: number of interrupt contexts.
  * @ops: ops of this sub feature.
@@ -276,8 +277,10 @@ struct dfl_feature {
 	struct platform_device *dev;
 	u16 id;
 	u8 revision;
+	u8 dfh_version;
 	int resource_index;
 	void __iomem *ioaddr;
+	struct resource csr_res;
 	struct dfl_feature_irq_ctx *irq_ctx;
 	unsigned int nr_irqs;
 	const struct dfl_feature_ops *ops;
diff --git a/include/linux/dfl.h b/include/linux/dfl.h
index 1a1a2b894687..71760c6a25d7 100644
--- a/include/linux/dfl.h
+++ b/include/linux/dfl.h
@@ -39,6 +39,7 @@ enum dfl_id_type {
  * @type: type of DFL FIU of the device. See enum dfl_id_type.
  * @feature_id: feature identifier local to its DFL FIU type.
  * @mmio_res: mmio resource of this dfl device.
+ * @csr_res: resource for DFHv1 feature registers
  * @irqs: list of Linux IRQ numbers of this dfl device.
  * @num_irqs: number of IRQs supported by this dfl device.
  * @cdev: pointer to DFL FPGA container device this dfl device belongs to.
@@ -50,7 +51,9 @@ struct dfl_device {
 	u16 type;
 	u16 feature_id;
 	u8 revision;
+	u8 dfh_version;
 	struct resource mmio_res;
+	struct resource csr_res;
 	int *irqs;
 	unsigned int num_irqs;
 	struct dfl_fpga_cdev *cdev;
@@ -95,4 +98,21 @@ void dfl_driver_unregister(struct dfl_driver *dfl_drv);
 	module_driver(__dfl_driver, dfl_driver_register, \
 		      dfl_driver_unregister)
 
+/**
+ * dfhv1_find_param() - find the offset of the given parameter
+ * @base: base pointer to start of DFH
+ * @max: maximum offset to search
+ * @param: id of dfl parameter
+ *
+ * Return: positive offset of parameter data on success, negative error code otherwise.
+ */
+int dfhv1_find_param(void __iomem *base, resource_size_t max, int param);
+
+/**
+ * dfhv1_has_params() - does DFHv1 have parameters?
+ * @base: base pointer to start of DFH
+ *
+ * Return: non-zero if DFHv1 has parameters, zero otherwise.
+ */
+int dfhv1_has_params(void __iomem *base);
 #endif /* __LINUX_DFL_H */
