On Mon, Aug 02, 2021 at 09:05:10AM -0700, Lizhi Hou wrote:
> Alveo FPGA firmware and partial reconfigure file are in xclbin format. This
> code enumerates and extracts sections from xclbin files. xclbin.h is cross
> platform and used across all platforms and OS.
>
> Signed-off-by: Sonal Santan <sonal.santan@xxxxxxxxxx>
> Signed-off-by: Max Zhen <max.zhen@xxxxxxxxxx>
> Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxxxxx>
> Reviewed-by: Tom Rix <trix@xxxxxxxxxx>
> ---
> drivers/fpga/xrt/include/xclbin-helper.h | 48 +++
> drivers/fpga/xrt/lib/xclbin.c | 381 ++++++++++++++++++++
> include/uapi/linux/fpga-xrt.h | 428 +++++++++++++++++++++++
> 3 files changed, 857 insertions(+)
> create mode 100644 drivers/fpga/xrt/include/xclbin-helper.h
> create mode 100644 drivers/fpga/xrt/lib/xclbin.c
> create mode 100644 include/uapi/linux/fpga-xrt.h
>
> diff --git a/drivers/fpga/xrt/include/xclbin-helper.h b/drivers/fpga/xrt/include/xclbin-helper.h
> new file mode 100644
> index 000000000000..518d55f74c25
> --- /dev/null
> +++ b/drivers/fpga/xrt/include/xclbin-helper.h
> @@ -0,0 +1,48 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2020-2021 Xilinx, Inc.
> + *
> + * Authors:
> + * David Zhang <davidzha@xxxxxxxxxx>
> + * Sonal Santan <sonal.santan@xxxxxxxxxx>
> + */
> +
> +#ifndef _XCLBIN_HELPER_H_
> +#define _XCLBIN_HELPER_H_
> +
> +#include <linux/types.h>
> +#include <linux/device.h>
> +#include <linux/fpga-xrt.h>
> +
> +#define XCLBIN_VERSION2 "xclbin2"
> +#define XCLBIN_HWICAP_BITFILE_BUF_SZ 1024
> +#define XCLBIN_MAX_SZ_1G (1024 * 1024 * 1024) /* Assuming xclbin <= 1G, always */
> +
> +enum axlf_section_kind;
> +struct axlf;
> +
> +/**
> + * Bitstream header information as defined by Xilinx tools.
> + * Please note that this struct definition is not owned by the driver.
> + */
> +struct xclbin_bit_head_info {
> + u32 header_length; /* Length of header in 32 bit words */
> + u32 bitstream_length; /* Length of bitstream to read in bytes */
> + const unchar *design_name; /* Design name get from bitstream */
> + const unchar *part_name; /* Part name read from bitstream */
> + const unchar *date; /* Date read from bitstream header */
> + const unchar *time; /* Bitstream creation time */
> + u32 magic_length; /* Length of the magic numbers */
> + const unchar *version; /* Version string */
> +};
> +
> +/* caller must free the allocated memory for **data. len could be NULL. */
> +int xrt_xclbin_get_section(struct device *dev, const struct axlf *xclbin,
> + enum axlf_section_kind kind, void **data,
> + uint64_t *len);
> +int xrt_xclbin_get_metadata(struct device *dev, const struct axlf *xclbin, char **dtb);
> +int xrt_xclbin_parse_bitstream_header(struct device *dev, const unchar *data,
> + u32 size, struct xclbin_bit_head_info *head_info);
> +const char *xrt_clock_type2epname(enum XCLBIN_CLOCK_TYPE type);
> +
> +#endif /* _XCLBIN_HELPER_H_ */
> diff --git a/drivers/fpga/xrt/lib/xclbin.c b/drivers/fpga/xrt/lib/xclbin.c
> new file mode 100644
> index 000000000000..6edac3d418be
> --- /dev/null
> +++ b/drivers/fpga/xrt/lib/xclbin.c
> @@ -0,0 +1,381 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Xilinx Alveo FPGA Driver XCLBIN parser
> + *
> + * Copyright (C) 2020-2021 Xilinx, Inc.
> + *
> + * Authors: David Zhang <davidzha@xxxxxxxxxx>
> + */
> +
> +#include <asm/errno.h>
> +#include <linux/vmalloc.h>
> +#include <linux/device.h>
> +#include "xclbin-helper.h"
> +#include "metadata.h"
> +
> +/* Used for parsing bitstream header */
> +#define BITSTREAM_EVEN_MAGIC_BYTE 0x0f
> +#define BITSTREAM_ODD_MAGIC_BYTE 0xf0
> +
> +static inline u16 bitstream_read16(const char *data, u32 *offset)
> +{
> + u16 val;
> +
> + val = be16_to_cpu(*(__be16 *)(data + *offset));
> + *offset += sizeof(__be16);
> +
> + return val;
> +}
> +
> +static inline u32 bitstream_read32(const char *data, u32 *offset)
> +{
> + u32 val;
> +
> + val = be32_to_cpu(*(__be32 *)(data + *offset));
> + *offset += sizeof(__be32);
> +
> + return val;
> +}
> +
> +static int xrt_xclbin_get_section_hdr(const struct axlf *xclbin,
> + enum axlf_section_kind kind,
> + const struct axlf_section_header **header)
> +{
> + const struct axlf_section_header *phead = NULL;
> + u64 xclbin_len;
> + int i;
> +
> + *header = NULL;
> + for (i = 0; i < xclbin->header.num_sections; i++) {
> + if (xclbin->sections[i].section_kind == kind) {
> + phead = &xclbin->sections[i];
> + break;
> + }
> + }
> +
> + if (!phead)
> + return -ENOENT;
> +
> + xclbin_len = xclbin->header.length;
> + if (xclbin_len > XCLBIN_MAX_SZ_1G || !phead->section_size ||
> + phead->section_offset + phead->section_size > xclbin_len)
> + return -EINVAL;
> +
> + *header = phead;
> + return 0;
> +}
> +
> +static int xrt_xclbin_section_info(const struct axlf *xclbin,
> + enum axlf_section_kind kind,
> + u64 *offset, u64 *size)
> +{
> + const struct axlf_section_header *mem_header = NULL;
> + int rc;
> +
> + rc = xrt_xclbin_get_section_hdr(xclbin, kind, &mem_header);
> + if (rc)
> + return rc;
> +
> + *offset = mem_header->section_offset;
> + *size = mem_header->section_size;
> +
> + return 0;
> +}
> +
> +/* caller must free the allocated memory for **data */
> +int xrt_xclbin_get_section(struct device *dev,
> + const struct axlf *buf,
> + enum axlf_section_kind kind,
> + void **data, u64 *len)
> +{
> + const struct axlf *xclbin = (const struct axlf *)buf;
> + void *section = NULL;
> + u64 offset;
> + u64 size;
> + int err;
> +
> + if (!data) {
> + dev_err(dev, "invalid data pointer");
> + return -EINVAL;
> + }
> +
> + err = xrt_xclbin_section_info(xclbin, kind, &offset, &size);
> + if (err) {
> + dev_dbg(dev, "parsing section failed. kind %d, err = %d", kind, err);
> + return err;
> + }
> +
> + section = vzalloc(size);
> + if (!section)
> + return -ENOMEM;
> +
> + memcpy(section, ((const char *)xclbin) + offset, size);
> +
> + *data = section;
> + if (len)
> + *len = size;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(xrt_xclbin_get_section);
> +
> +static inline int xclbin_bit_get_string(const unchar *data, u32 size,
> + u32 offset, unchar prefix,
> + const unchar **str)
> +{
> + int len;
> + u32 tmp;
> +
> + /* prefix and length will be 3 bytes */
> + if (offset + 3 > size)
> + return -EINVAL;
> +
> + /* Read prefix */
> + tmp = data[offset++];
> + if (tmp != prefix)
> + return -EINVAL;
> +
> + /* Get string length */
> + len = bitstream_read16(data, &offset);
> + if (offset + len > size)
> + return -EINVAL;
> +
> + if (data[offset + len - 1] != '\0')
> + return -EINVAL;
> +
> + *str = data + offset;
> +
> + return len + 3;
> +}
> +
> +/* parse bitstream header */
> +int xrt_xclbin_parse_bitstream_header(struct device *dev, const unchar *data,
> + u32 size, struct xclbin_bit_head_info *head_info)
> +{
> + u32 offset = 0;
> + int len, i;
> + u16 magic;
> +
> + memset(head_info, 0, sizeof(*head_info));
> +
> + /* Get "Magic" length */
> + if (size < sizeof(u16)) {
> + dev_err(dev, "invalid size");
> + return -EINVAL;
> + }
> +
> + len = bitstream_read16(data, &offset);
> + if (offset + len > size) {
> + dev_err(dev, "invalid magic len");
> + return -EINVAL;
> + }
> + head_info->magic_length = len;
> +
> + for (i = 0; i < head_info->magic_length - 1; i++) {
> + magic = data[offset++];
> + if (!(i % 2) && magic != BITSTREAM_EVEN_MAGIC_BYTE) {
> + dev_err(dev, "invalid magic even byte at %d", offset);
> + return -EINVAL;
> + }
> +
> + if ((i % 2) && magic != BITSTREAM_ODD_MAGIC_BYTE) {
> + dev_err(dev, "invalid magic odd byte at %d", offset);
> + return -EINVAL;
> + }
> + }
> +
> + if (offset + 3 > size) {
> + dev_err(dev, "invalid length of magic end");
> + return -EINVAL;
> + }
> + /* Read null end of magic data. */
> + if (data[offset++]) {
> + dev_err(dev, "invalid magic end");
> + return -EINVAL;
> + }
> +
> + /* Read 0x01 (short) */
> + magic = bitstream_read16(data, &offset);
> +
> + /* 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 = bitstream_read32(data, &offset);
> +
> + head_info->header_length = offset;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(xrt_xclbin_parse_bitstream_header);
> +
> +static 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 = be16_to_cpu((__force __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/fpga-xrt.h b/include/uapi/linux/fpga-xrt.h
> new file mode 100644
> index 000000000000..ace7d3d09897
> --- /dev/null
> +++ b/include/uapi/linux/fpga-xrt.h
> @@ -0,0 +1,428 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +/*
> + * Xilinx FPGA compiled binary container format
> + *
> + * Copyright (C) 2015-2021, Xilinx Inc
> + */
> +
> +#ifndef _UAPI_LINUX_FPGA_XRT_H
> +#define _UAPI_LINUX_FPGA_XRT_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
> +
> +#include <linux/ioctl.h>
> +
> +/**
> + * 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
I guess the format is called axlf? If yes, please add it. I was wondering
what the axlf_ structures stand for.
> + * 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]; /* Section name */
> + 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; /* Timestamp 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 */
> + uint8_t version_minor; /* Minor Version */
> + uint32_t mode; /* Xclbin mode. See enum XCLBIN_MODE */
> + union {
> + struct {
> + uint64_t platform_id; /* 64 bit platform ID */
> + uint64_t feature_id; /* 64 bit feature ID */
> + } rom;
> + unsigned char rom_uuid[16]; /* feature ROM UUID */
> + };
> + unsigned char platform_vbnv[64]; /* String of Vendor:Board:Name:Version */
> + union {
> + char next_axlf[16]; /* Name of next xclbin file */
> + 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]; /* Magic word: xclbin2\0 */
> + int32_t signature_length; /* Length. -1 indicates no signature */
> + uint8_t reserved[28];
> + uint8_t key_block[256]; /* Signature for validation of binary */
> + uint64_t unique_id; /* Unique ID */
> + 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; /* Memory type. See enum MEM_TYPE */
> + uint8_t used; /* Memory presence. 0 means not present */
> + uint8_t rsvd[6];
> + union {
> + uint64_t size; /* Memory size. Counted in KB */
> + uint64_t route_id; /* Stream route ID */
> + };
> + union {
> + uint64_t base_address; /* Memory base address */
> + uint64_t flow_id; /* Stream flow ID */
> + };
> + unsigned char tag[16]; /* Memory tag string */
> +} __packed;
> +
> +struct mem_topology {
> + int32_t count; /* Number of mem_data */
> + struct mem_data mem_data[1]; /* mem_data array, 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; /* Index of CU argument */
> + int32_t ip_layout_index; /* Index into the ip_layout section */
> + int32_t mem_data_index; /* Index into the mem_data section */
> +} __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.
> + *
> + * The defination of 32-bit follows IP_TYPE is based on IP_TYPE
> + * For IP_KERNEL
> + * int_enable : Bit - 0x0000_0001;
> + * interrupt_id : Bits - 0x0000_00FE;
> + * ip_control : Bits - 0x0000_FF00;
> + * For IP_MEM_*
> + * index : Bits - 0x0000_FFFF;
> + * pc_index : Bits - 0x00FF_0000;
> + */
> +struct ip_data {
> + uint32_t type; /* Type. See enum IP_TYPE */
> + union {
> + uint32_t properties;
> + struct {
> + uint16_t index;
> + uint8_t pc_index;
> + uint8_t unused;
> + } indices;
> + };
> + uint64_t base_address;
> + uint8_t name[64]; /* Name of IP */
> +} __packed;
> +
> +struct ip_layout {
> + int32_t count;
> + struct ip_data ip_data[1]; /* ip_data array, 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. See 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];
> + 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];
> + uint64_t offset; /* Data offset */
> + uint64_t size; /* Data size */
> +} __packed;
> +
> +/* MCS data section */
> +struct mcs {
> + int8_t count; /* Number of chunks */
> + int8_t unused[7];
> + struct mcs_chunk chunk[1]; /* MCS chunks followed by data */
> +} __packed;
> +
> +/* bmc data section */
> +struct bmc {
> + uint64_t offset; /* Data offset */
> + uint64_t size; /* Data size (bytes) */
> + char image_name[64]; /* Name of the image */
> + char device_name[64]; /* Name of the device */
> + char version[64];
> + char md5value[33]; /* MD5 checksum */
> + char padding[7];
> +} __packed;
> +
> +/*
> + * soft kernel data section, used by classic driver
> + * 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)
> + */
> +struct soft_kernel {
> + 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
> +};
> +
> +/**
> + * DOC: PCIe Kernel Driver for Management Physical Function
> + * Interfaces exposed by *xrt-mgmt* driver are defined in file, *xmgmt-ioctl.h*.
> + * Core functionality provided by *xrt-mgmt* driver is described in the following table:
> + *
> + * =========== ============================== ==================================
> + * Functionality ioctl request code data format
> + * =========== ============================== ==================================
> + * 1 FPGA image download XMGMT_IOCICAPDOWNLOAD_AXLF xmgmt_ioc_bitstream_axlf
> + * =========== ============================== ==================================
Seems the lines are not aligned with the text.
> + */
> +
> +#define XMGMT_IOC_MAGIC 'X'
> +#define XMGMT_IOC_ICAP_DOWNLOAD_AXLF 0x6
> +
> +/**
> + * struct xmgmt_ioc_bitstream_axlf - load xclbin (AXLF) device image
> + * used with XMGMT_IOCICAPDOWNLOAD_AXLF ioctl
> + *
> + * @xclbin: Pointer to user's xclbin structure in memory
> + */
> +struct xmgmt_ioc_bitstream_axlf {
> + struct axlf *xclbin;
> +};
> +
> +#define XMGMT_IOCICAPDOWNLOAD_AXLF \
> + _IOW(XMGMT_IOC_MAGIC, XMGMT_IOC_ICAP_DOWNLOAD_AXLF, struct xmgmt_ioc_bitstream_axlf)
> +
> +/*
> + * The following definitions are for binary compatibility with classic XRT management driver
> + */
> +#define XCLMGMT_IOCICAPDOWNLOAD_AXLF XMGMT_IOCICAPDOWNLOAD_AXLF
> +#define xclmgmt_ioc_bitstream_axlf xmgmt_ioc_bitstream_axlf
I didn't see the 2 definitions used in the drivers. Could be removed?
Thanks,
Yilun
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif
> --
> 2.27.0
