+
+ /* Check the "0x01" half word */
+ if (magic != 0x01) {
+ dev_err(dev, "invalid magic end");
+ return -EINVAL;
+ }
+
+ len = xclbin_bit_get_string(data, size, offset, 'a', &head_info->design_name);
+ if (len < 0) {
+ dev_err(dev, "get design name failed");
+ return -EINVAL;
+ }
+
+ head_info->version = strstr(head_info->design_name, "Version=") + strlen("Version=");
+ offset += len;
+
+ len = xclbin_bit_get_string(data, size, offset, 'b', &head_info->part_name);
+ if (len < 0) {
+ dev_err(dev, "get part name failed");
+ return -EINVAL;
+ }
+ offset += len;
+
+ len = xclbin_bit_get_string(data, size, offset, 'c', &head_info->date);
+ if (len < 0) {
+ dev_err(dev, "get data failed");
+ return -EINVAL;
+ }
+ offset += len;
+
+ len = xclbin_bit_get_string(data, size, offset, 'd', &head_info->time);
+ if (len < 0) {
+ dev_err(dev, "get time failed");
+ return -EINVAL;
+ }
+ offset += len;
+
+ if (offset + 5 >= size) {
+ dev_err(dev, "can not get bitstream length");
+ return -EINVAL;
+ }
+
+ /* Read 'e' */
+ if (data[offset++] != 'e') {
+ dev_err(dev, "invalid prefix of bitstream length");
+ return -EINVAL;
+ }
+
+ /* Get byte length of bitstream */
+ head_info->bitstream_length = data[offset++];
+ head_info->bitstream_length = (head_info->bitstream_length << 8) | data[offset++];
+ head_info->bitstream_length = (head_info->bitstream_length << 8) | data[offset++];
+ head_info->bitstream_length = (head_info->bitstream_length << 8) | data[offset++];
+
+ head_info->header_length = offset;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(xrt_xclbin_parse_bitstream_header);
+
+struct xrt_clock_desc {
+ char *clock_ep_name;
+ u32 clock_xclbin_type;
+ char *clkfreq_ep_name;
+} clock_desc[] = {
+ {
+ .clock_ep_name = XRT_MD_NODE_CLK_KERNEL1,
+ .clock_xclbin_type = CT_DATA,
+ .clkfreq_ep_name = XRT_MD_NODE_CLKFREQ_K1,
+ },
+ {
+ .clock_ep_name = XRT_MD_NODE_CLK_KERNEL2,
+ .clock_xclbin_type = CT_KERNEL,
+ .clkfreq_ep_name = XRT_MD_NODE_CLKFREQ_K2,
+ },
+ {
+ .clock_ep_name = XRT_MD_NODE_CLK_KERNEL3,
+ .clock_xclbin_type = CT_SYSTEM,
+ .clkfreq_ep_name = XRT_MD_NODE_CLKFREQ_HBM,
+ },
+};
+
+const char *xrt_clock_type2epname(enum XCLBIN_CLOCK_TYPE type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(clock_desc); i++) {
+ if (clock_desc[i].clock_xclbin_type == type)
+ return clock_desc[i].clock_ep_name;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(xrt_clock_type2epname);
+
+static const char *clock_type2clkfreq_name(enum XCLBIN_CLOCK_TYPE type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(clock_desc); i++) {
+ if (clock_desc[i].clock_xclbin_type == type)
+ return clock_desc[i].clkfreq_ep_name;
+ }
+ return NULL;
+}
+
+static int xrt_xclbin_add_clock_metadata(struct device *dev,
+ const struct axlf *xclbin,
+ char *dtb)
+{
+ struct clock_freq_topology *clock_topo;
+ u16 freq;
+ int rc;
+ int i;
+
+ /* if clock section does not exist, add nothing and return success */
+ rc = xrt_xclbin_get_section(dev, xclbin, CLOCK_FREQ_TOPOLOGY,
+ (void **)&clock_topo, NULL);
+ if (rc == -ENOENT)
+ return 0;
+ else if (rc)
+ return rc;
+
+ for (i = 0; i < clock_topo->count; i++) {
+ u8 type = clock_topo->clock_freq[i].type;
+ const char *ep_name = xrt_clock_type2epname(type);
+ const char *counter_name = clock_type2clkfreq_name(type);
+
+ if (!ep_name || !counter_name)
+ continue;
+
+ freq = cpu_to_be16(clock_topo->clock_freq[i].freq_MHZ);
+ rc = xrt_md_set_prop(dev, dtb, ep_name, NULL, XRT_MD_PROP_CLK_FREQ,
+ &freq, sizeof(freq));
+ if (rc)
+ break;
+
+ rc = xrt_md_set_prop(dev, dtb, ep_name, NULL, XRT_MD_PROP_CLK_CNT,
+ counter_name, strlen(counter_name) + 1);
+ if (rc)
+ break;
+ }
+
+ vfree(clock_topo);
+
+ return rc;
+}
+
+int xrt_xclbin_get_metadata(struct device *dev, const struct axlf *xclbin, char **dtb)
+{
+ char *md = NULL, *newmd = NULL;
+ u64 len, md_len;
+ int rc;
+
+ *dtb = NULL;
+
+ rc = xrt_xclbin_get_section(dev, xclbin, PARTITION_METADATA, (void **)&md, &len);
+ if (rc)
+ goto done;
+
+ md_len = xrt_md_size(dev, md);
+
+ /* Sanity check the dtb section. */
+ if (md_len > len) {
+ rc = -EINVAL;
+ goto done;
+ }
+
+ /* use dup function here to convert incoming metadata to writable */
+ newmd = xrt_md_dup(dev, md);
+ if (!newmd) {
+ rc = -EFAULT;
+ goto done;
+ }
+
+ /* Convert various needed xclbin sections into dtb. */
+ rc = xrt_xclbin_add_clock_metadata(dev, xclbin, newmd);
+
+ if (!rc)
+ *dtb = newmd;
+ else
+ vfree(newmd);
+done:
+ vfree(md);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(xrt_xclbin_get_metadata);
diff --git a/include/uapi/linux/xrt/xclbin.h b/include/uapi/linux/xrt/xclbin.h
new file mode 100644
index 000000000000..fdaf0c91843d
--- /dev/null
+++ b/include/uapi/linux/xrt/xclbin.h
@@ -0,0 +1,409 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Xilinx FPGA compiled binary container format
+ *
+ * Copyright (C) 2015-2021, Xilinx Inc
+ */
+
+#ifndef _XCLBIN_H_
+#define _XCLBIN_H_
+
+#if defined(__KERNEL__)
+
+#include <linux/types.h>
+
+#elif defined(__cplusplus)
+
+#include <cstdlib>
+#include <cstdint>
+#include <algorithm>
+#include <uuid/uuid.h>
+
+#else
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <uuid/uuid.h>
+
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * DOC: Container format for Xilinx FPGA images
+ * The container stores bitstreams, metadata and firmware images.
+ * xclbin/xsabin is an ELF-like binary container format. It is a structured
+ * series of sections. There is a file header followed by several section
+ * headers which is followed by sections. A section header points to an
+ * actual section. There is an optional signature at the end. The
+ * following figure illustrates a typical xclbin:
+ *
+ * +---------------------+
+ * | |
+ * | HEADER |
+ * +---------------------+
+ * | SECTION HEADER |
+ * | |
+ * +---------------------+
+ * | ... |
+ * | |
+ * +---------------------+
+ * | SECTION HEADER |
+ * | |
+ * +---------------------+
+ * | SECTION |
+ * | |
+ * +---------------------+
+ * | ... |
+ * | |
+ * +---------------------+
+ * | SECTION |
+ * | |
+ * +---------------------+
+ * | SIGNATURE |
+ * | (OPTIONAL) |
+ * +---------------------+
+ */
+
+enum XCLBIN_MODE {
+ XCLBIN_FLAT = 0,
+ XCLBIN_PR,
+ XCLBIN_TANDEM_STAGE2,
+ XCLBIN_TANDEM_STAGE2_WITH_PR,
+ XCLBIN_HW_EMU,
+ XCLBIN_SW_EMU,
+ XCLBIN_MODE_MAX
+};
+
+enum axlf_section_kind {
+ BITSTREAM = 0,
+ CLEARING_BITSTREAM,
+ EMBEDDED_METADATA,
+ FIRMWARE,
+ DEBUG_DATA,
+ SCHED_FIRMWARE,
+ MEM_TOPOLOGY,
+ CONNECTIVITY,
+ IP_LAYOUT,
+ DEBUG_IP_LAYOUT,
+ DESIGN_CHECK_POINT,
+ CLOCK_FREQ_TOPOLOGY,
+ MCS,
+ BMC,
+ BUILD_METADATA,
+ KEYVALUE_METADATA,
+ USER_METADATA,
+ DNA_CERTIFICATE,
+ PDI,
+ BITSTREAM_PARTIAL_PDI,
+ PARTITION_METADATA,
+ EMULATION_DATA,
+ SYSTEM_METADATA,
+ SOFT_KERNEL,
+ ASK_FLASH,
+ AIE_METADATA,
+ ASK_GROUP_TOPOLOGY,
+ ASK_GROUP_CONNECTIVITY
+};
+
+enum MEM_TYPE {
+ MEM_DDR3 = 0,
+ MEM_DDR4,
+ MEM_DRAM,
+ MEM_STREAMING,
+ MEM_PREALLOCATED_GLOB,
+ MEM_ARE,
+ MEM_HBM,
+ MEM_BRAM,
+ MEM_URAM,
+ MEM_STREAMING_CONNECTION
+};
+
+enum IP_TYPE {
+ IP_MB = 0,
+ IP_KERNEL,
+ IP_DNASC,
+ IP_DDR4_CONTROLLER,
+ IP_MEM_DDR4,
+ IP_MEM_HBM
+};
+
+struct axlf_section_header {
+ uint32_t section_kind; /* Section type */
+ char section_name[16]; /* Examples: "stage2", "clear1", */
+ /* "clear2", "ocl1", "ocl2, */
+ /* "ublaze", "sched" */
+ char rsvd[4];
+ uint64_t section_offset; /* File offset of section data */
+ uint64_t section_size; /* Size of section data */
+} __packed;
+
+struct axlf_header {
+ uint64_t length; /* Total size of the xclbin file */
+ uint64_t time_stamp; /* Number of seconds since epoch */
+ /* when xclbin was created */
+ uint64_t feature_rom_timestamp; /* TimeSinceEpoch of the featureRom */
+ uint16_t version_patch; /* Patch Version */
+ uint8_t version_major; /* Major Version - Version: 2.1.0 */
+ uint8_t version_minor; /* Minor Version */
+ uint32_t mode; /* XCLBIN_MODE */
+ union {
+ struct {
+ uint64_t platform_id; /* 64 bit platform ID: */
+ /* vendor-device-subvendor-subdev */
+ uint64_t feature_id; /* 64 bit feature id */
+ } rom;
+ unsigned char rom_uuid[16]; /* feature ROM UUID for which */
+ /* this xclbin was generated */
+ };
+ unsigned char platform_vbnv[64]; /* e.g. */
+ /* xilinx:xil-accel-rd-ku115:4ddr-xpr:3.4: null terminated */
+ union {
+ char next_axlf[16]; /* Name of next xclbin file */
+ /* in the daisy chain */
+ unsigned char uuid[16]; /* uuid of this xclbin */
+ };
+ char debug_bin[16]; /* Name of binary with debug */
+ /* information */
+ uint32_t num_sections; /* Number of section headers */
+ char rsvd[4];
+} __packed;
+
+struct axlf {
+ char magic[8]; /* Should be "xclbin2\0" */
+ int32_t signature_length; /* Length of the signature */
+ /* -1 indicates no signature */
+ unsigned char reserved[28]; /* Note: Initialized to 0xFFs */
+
+ unsigned char key_block[256]; /* Signature for validation */
+ /* of binary */
+ uint64_t unique_id; /* axlf's uniqueId, use it to */
+ /* skip redownload etc */
+ struct axlf_header header; /* Inline header */
+ struct axlf_section_header sections[1]; /* One or more section */
+ /* headers follow */
+} __packed;
+
+/* bitstream information */
+struct xlnx_bitstream {
+ uint8_t freq[8];
+ char bits[1];
+} __packed;
+
+/**** MEMORY TOPOLOGY SECTION ****/
+struct mem_data {
+ uint8_t type; /* enum corresponding to mem_type */
+ uint8_t used; /* if 0 this bank is not present */
+ uint8_t rsvd[6];
+ union {
+ uint64_t size; /* if mem_type DDR, then size in KB */
+ uint64_t route_id; /* if streaming then "route_id" */
+ };
+ union {
+ uint64_t base_address;/* if DDR then the base address */
+ uint64_t flow_id; /* if streaming then "flow id" */
+ };
+ unsigned char tag[16]; /* DDR: BANK0,1,2,3, has to be null */
+ /* terminated; if streaming then stream0, 1 etc */
+} __packed;
+
+struct mem_topology {
+ int32_t count; /* Number of mem_data */
+ struct mem_data mem_data[1]; /* Should be sorted on mem_type */
+} __packed;
+
+/**** CONNECTIVITY SECTION ****/
+/* Connectivity of each argument of CU(Compute Unit). It will be in terms
+ * of argument index associated. For associating CU instances with arguments
+ * and banks, start at the connectivity section. Using the ip_layout_index
+ * access the ip_data.name. Now we can associate this CU instance with its
+ * original CU name and get the connectivity as well. This enables us to form
+ * related groups of CU instances.
+ */
+
+struct connection {
+ int32_t arg_index; /* From 0 to n, may not be contiguous as scalars */
+ /* skipped */
+ int32_t ip_layout_index; /* index into the ip_layout section */
+ /* ip_layout.ip_data[index].type == IP_KERNEL */
+ int32_t mem_data_index; /* index of the mem_data . Flag error is */
+ /* used false. */
+} __packed;
+
+struct connectivity {
+ int32_t count;
+ struct connection connection[1];
+} __packed;
+
+/**** IP_LAYOUT SECTION ****/
+
+/* IP Kernel */
+#define IP_INT_ENABLE_MASK 0x0001
+#define IP_INTERRUPT_ID_MASK 0x00FE
+#define IP_INTERRUPT_ID_SHIFT 0x1
+
+enum IP_CONTROL {
+ AP_CTRL_HS = 0,
+ AP_CTRL_CHAIN,
+ AP_CTRL_NONE,
+ AP_CTRL_ME,
+ ACCEL_ADAPTER
+};
+
+#define IP_CONTROL_MASK 0xFF00
+#define IP_CONTROL_SHIFT 0x8
+
+/* IPs on AXI lite - their types, names, and base addresses. */
+struct ip_data {
+ uint32_t type; /* map to IP_TYPE enum */
+ union {
+ uint32_t properties; /* Default: 32-bits to indicate ip */
+ /* specific property. */
+ /* type: IP_KERNEL
+ * int_enable : Bit - 0x0000_0001;
+ * interrupt_id : Bits - 0x0000_00FE;
+ * ip_control : Bits = 0x0000_FF00;
+ */
+ struct { /* type: IP_MEM_* */
+ uint16_t index;
+ uint8_t pc_index;
+ uint8_t unused;
+ } indices;
+ };
+ uint64_t base_address;
+ uint8_t name[64]; /* eg Kernel name corresponding to KERNEL */
+ /* instance, can embed CU name in future. */
+} __packed;
+
+struct ip_layout {
+ int32_t count;
+ struct ip_data ip_data[1]; /* All the ip_data needs to be sorted */
+ /* by base_address. */
+} __packed;
+
+/*** Debug IP section layout ****/
+enum DEBUG_IP_TYPE {
+ UNDEFINED = 0,
+ LAPC,
+ ILA,
+ AXI_MM_MONITOR,
+ AXI_TRACE_FUNNEL,
+ AXI_MONITOR_FIFO_LITE,
+ AXI_MONITOR_FIFO_FULL,
+ ACCEL_MONITOR,
+ AXI_STREAM_MONITOR,
+ AXI_STREAM_PROTOCOL_CHECKER,
+ TRACE_S2MM,
+ AXI_DMA,
+ TRACE_S2MM_FULL
+};
+
+struct debug_ip_data {
+ uint8_t type; /* type of enum DEBUG_IP_TYPE */
+ uint8_t index_lowbyte;
+ uint8_t properties;
+ uint8_t major;
+ uint8_t minor;
+ uint8_t index_highbyte;
+ uint8_t reserved[2];
+ uint64_t base_address;
+ char name[128];
+} __packed;
+
+struct debug_ip_layout {
+ uint16_t count;
+ struct debug_ip_data debug_ip_data[1];
+} __packed;
+
+/* Supported clock frequency types */
+enum XCLBIN_CLOCK_TYPE {
+ CT_UNUSED = 0, /* Initialized value */
+ CT_DATA = 1, /* Data clock */
+ CT_KERNEL = 2, /* Kernel clock */
+ CT_SYSTEM = 3 /* System Clock */
+};
+
+/* Clock Frequency Entry */
+struct clock_freq {
+ uint16_t freq_MHZ; /* Frequency in MHz */
+ uint8_t type; /* Clock type (enum CLOCK_TYPE) */
+ uint8_t unused[5]; /* Not used - padding */
+ char name[128]; /* Clock Name */
+} __packed;
+
+/* Clock frequency section */
+struct clock_freq_topology {
+ int16_t count; /* Number of entries */
+ struct clock_freq clock_freq[1]; /* Clock array */
+} __packed;
+
+/* Supported MCS file types */
+enum MCS_TYPE {
+ MCS_UNKNOWN = 0, /* Initialized value */
+ MCS_PRIMARY = 1, /* The primary mcs file data */
+ MCS_SECONDARY = 2, /* The secondary mcs file data */
+};
+
+/* One chunk of MCS data */
+struct mcs_chunk {
+ uint8_t type; /* MCS data type */
+ uint8_t unused[7]; /* padding */
+ uint64_t offset; /* data offset from the start of */
+ /* the section */
+ uint64_t size; /* data size */
+} __packed;
+
+/* MCS data section */
+struct mcs {
+ int8_t count; /* Number of chunks */
+ int8_t unused[7]; /* padding */
+ struct mcs_chunk chunk[1]; /* MCS chunks followed by data */
+} __packed;
+
+/* bmc data section */
+struct bmc {
+ uint64_t offset; /* data offset from the start of */
+ /* the section */
+ uint64_t size; /* data size (bytes) */
+ char image_name[64]; /* Name of the image */
+ /* (e.g., MSP432P401R) */
+ char device_name[64]; /* Device ID (e.g., VCU1525) */
+ char version[64];
+ char md5value[33]; /* MD5 Expected Value */
+ /* (e.g., 56027182079c0bd621761b7dab5a27ca) */
+ char padding[7]; /* Padding */
+} __packed;
+
+/* soft kernel data section, used by classic driver */
+struct soft_kernel {
+ /** Prefix Syntax:
+ * mpo - member, pointer, offset
+ * This variable represents a zero terminated string
+ * that is offseted from the beginning of the section.
+ * The pointer to access the string is initialized as follows:
+ * char * pCharString = (address_of_section) + (mpo value)
+ */
+ uint32_t mpo_name; /* Name of the soft kernel */
+ uint32_t image_offset; /* Image offset */
+ uint32_t image_size; /* Image size */
+ uint32_t mpo_version; /* Version */
+ uint32_t mpo_md5_value; /* MD5 checksum */
+ uint32_t mpo_symbol_name; /* Symbol name */
+ uint32_t num_instances; /* Number of instances */
+ uint8_t padding[36]; /* Reserved for future use */
+ uint8_t reserved_ext[16]; /* Reserved for future extended data */
+} __packed;
+
+enum CHECKSUM_TYPE {
+ CST_UNKNOWN = 0,
+ CST_SDBM = 1,
+ CST_LAST
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--
2.27.0
