On 2/20/26 08:01, Maciej Falkowski wrote:
Update firmware boot API to the version 3.29.4.
Remove unused boot parameters from
the vpu_firmware_header structure.

Signed-off-by: Maciej Falkowski <[email protected]>
---
  drivers/accel/ivpu/vpu_boot_api.h | 211 +++++++++++++-----------------
  1 file changed, 93 insertions(+), 118 deletions(-)

diff --git a/drivers/accel/ivpu/vpu_boot_api.h 
b/drivers/accel/ivpu/vpu_boot_api.h
index 218468bbbcad..a41170bbc6b7 100644
--- a/drivers/accel/ivpu/vpu_boot_api.h
+++ b/drivers/accel/ivpu/vpu_boot_api.h
@@ -1,12 +1,22 @@
  /* SPDX-License-Identifier: MIT */
  /*
- * Copyright (c) 2020-2024, Intel Corporation.
+ * Copyright (c) 2020-2025, Intel Corporation.
+ */
+
+/**
+ * @addtogroup Boot
+ * @{
+ */
+
+/**
+ * @file
+ * @brief Boot API public header file.
   */
#ifndef VPU_BOOT_API_H
  #define VPU_BOOT_API_H
-/*
+/**
   *  The below values will be used to construct the version info this way:
   *  fw_bin_header->api_version[VPU_BOOT_API_VER_ID] = (VPU_BOOT_API_VER_MAJOR 
<< 16) |
   *  VPU_BOOT_API_VER_MINOR;
@@ -16,24 +26,24 @@
   *  partial info a build error will be generated.
   */
-/*
+/**
   * Major version changes that break backward compatibility.
   * Major version must start from 1 and can only be incremented.
   */
  #define VPU_BOOT_API_VER_MAJOR 3
-/*
+/**
   * Minor version changes when API backward compatibility is preserved.
   * Resets to 0 if Major version is incremented.
   */
-#define VPU_BOOT_API_VER_MINOR 28
+#define VPU_BOOT_API_VER_MINOR 29
-/*
+/**
   * API header changed (field names, documentation, formatting) but API itself 
has not been changed
   */
-#define VPU_BOOT_API_VER_PATCH 3
+#define VPU_BOOT_API_VER_PATCH 4
-/*
+/**
   * Index in the API version table
   * Must be unique for each API
   */
@@ -41,7 +51,7 @@
#pragma pack(push, 4) -/*
+/**
   * Firmware image header format
   */
  #define VPU_FW_HEADER_SIZE    4096
@@ -61,44 +71,41 @@ struct vpu_firmware_header {
        u32 firmware_version_size;
        u64 boot_params_load_address;
        u32 api_version[VPU_FW_API_VER_NUM];
-       /* Size of memory require for firmware execution */
+       /** Size of memory require for firmware execution */
        u32 runtime_size;
        u32 shave_nn_fw_size;
-       /*
+       /**
         * Size of primary preemption buffer, assuming a 2-job submission queue.
         * NOTE: host driver is expected to adapt size accordingly to actual
         * submission queue size and device capabilities.
         */
        u32 preemption_buffer_1_size;
-       /*
+       /**
         * Size of secondary preemption buffer, assuming a 2-job submission 
queue.
         * NOTE: host driver is expected to adapt size accordingly to actual
         * submission queue size and device capabilities.
         */
        u32 preemption_buffer_2_size;
-       /*
+       /**
         * Maximum preemption buffer size that the FW can use: no need for the 
host
         * driver to allocate more space than that specified by these fields.
         * A value of 0 means no declared limit.
         */
        u32 preemption_buffer_1_max_size;
        u32 preemption_buffer_2_max_size;
-       /* Space reserved for future preemption-related fields. */
+       /** Space reserved for future preemption-related fields. */
        u32 preemption_reserved[4];
-       /* FW image read only section start address, 4KB aligned */
+       /** FW image read only section start address, 4KB aligned */
        u64 ro_section_start_address;
-       /* FW image read only section size, 4KB aligned */
+       /** FW image read only section size, 4KB aligned */
        u32 ro_section_size;
        u32 reserved;
  };
-/*
+/**
   * Firmware boot parameters format
   */
-#define VPU_BOOT_PLL_COUNT 3
-#define VPU_BOOT_PLL_OUT_COUNT 4
-
  /** Values for boot_type field */
  #define VPU_BOOT_TYPE_COLDBOOT 0
  #define VPU_BOOT_TYPE_WARMBOOT 1
@@ -166,7 +173,7 @@ enum vpu_trace_destination {
  #define VPU_TRACE_PROC_BIT_ACT_SHV_3 22
  #define VPU_TRACE_PROC_NO_OF_HW_DEVS 23
-/* VPU 30xx HW component IDs are sequential, so define first and last IDs. */
+/** VPU 30xx HW component IDs are sequential, so define first and last IDs. */
  #define VPU_TRACE_PROC_BIT_30XX_FIRST VPU_TRACE_PROC_BIT_LRT
  #define VPU_TRACE_PROC_BIT_30XX_LAST  VPU_TRACE_PROC_BIT_SHV_15
@@ -175,15 +182,7 @@ struct vpu_boot_l2_cache_config {
        u8 cfg;
  };
-struct vpu_warm_boot_section {
-       u32 src;
-       u32 dst;
-       u32 size;
-       u32 core_id;
-       u32 is_clear_op;
-};
-
-/*
+/**
   * When HW scheduling mode is enabled, a present period is defined.
   * It will be used by VPU to swap between normal and focus priorities
   * to prevent starving of normal priority band (when implemented).
@@ -206,24 +205,24 @@ struct vpu_warm_boot_section {
   * Enum for dvfs_mode boot param.
   */
  enum vpu_governor {
-       VPU_GOV_DEFAULT = 0, /* Default Governor for the system */
-       VPU_GOV_MAX_PERFORMANCE = 1, /* Maximum performance governor */
-       VPU_GOV_ON_DEMAND = 2, /* On Demand frequency control governor */
-       VPU_GOV_POWER_SAVE = 3, /* Power save governor */
-       VPU_GOV_ON_DEMAND_PRIORITY_AWARE = 4 /* On Demand priority based 
governor */
+       VPU_GOV_DEFAULT = 0, /** Default Governor for the system */
+       VPU_GOV_MAX_PERFORMANCE = 1, /** Maximum performance governor */
+       VPU_GOV_ON_DEMAND = 2, /** On Demand frequency control governor */
+       VPU_GOV_POWER_SAVE = 3, /** Power save governor */
+       VPU_GOV_ON_DEMAND_PRIORITY_AWARE = 4 /** On Demand priority based 
governor */
  };
struct vpu_boot_params {
        u32 magic;
        u32 vpu_id;
        u32 vpu_count;
-       u32 pad0[5];
-       /* Clock frequencies: 0x20 - 0xFF */
+       u32 reserved_0[5];
+       /** Clock frequencies: 0x20 - 0xFF */
        u32 frequency;
-       u32 pll[VPU_BOOT_PLL_COUNT][VPU_BOOT_PLL_OUT_COUNT];
+       u32 reserved_1[12];
        u32 perf_clk_frequency;
-       u32 pad1[42];
-       /* Memory regions: 0x100 - 0x1FF */
+       u32 reserved_2[42];
+       /** Memory regions: 0x100 - 0x1FF */
        u64 ipc_header_area_start;
        u32 ipc_header_area_size;
        u64 shared_region_base;
@@ -234,41 +233,24 @@ struct vpu_boot_params {
        u32 global_aliased_pio_size;
        u32 autoconfig;
        struct vpu_boot_l2_cache_config 
cache_defaults[VPU_BOOT_L2_CACHE_CFG_NUM];
-       u64 global_memory_allocator_base;
-       u32 global_memory_allocator_size;
+       u32 reserved_3[3];
        /**
         * ShaveNN FW section VPU base address
         * On VPU2.7 HW this address must be within 2GB range starting from 
L2C_PAGE_TABLE base
         */
        u64 shave_nn_fw_base;
-       u64 save_restore_ret_address; /* stores the address of FW's restore 
entry point */
-       u32 pad2[43];
-       /* IRQ re-direct numbers: 0x200 - 0x2FF */
+       u64 save_restore_ret_address; /** stores the address of FW's restore 
entry point */
+       u32 reserved_4[43];
+       /** IRQ re-direct numbers: 0x200 - 0x2FF */
        s32 watchdog_irq_mss;
        s32 watchdog_irq_nce;
-       /* ARM -> VPU doorbell interrupt. ARM is notifying VPU of async command 
or compute job. */
+       /** ARM -> VPU doorbell interrupt. ARM is notifying VPU of async 
command or compute job. */
        u32 host_to_vpu_irq;
-       /* VPU -> ARM job done interrupt. VPU is notifying ARM of compute job 
completion. */
+       /** VPU -> ARM job done interrupt. VPU is notifying ARM of compute job 
completion. */
        u32 job_done_irq;
-       /* VPU -> ARM IRQ line to use to request MMU update. */
-       u32 mmu_update_request_irq;
-       /* ARM -> VPU IRQ line to use to notify of MMU update completion. */
-       u32 mmu_update_done_irq;
-       /* ARM -> VPU IRQ line to use to request power level change. */
-       u32 set_power_level_irq;
-       /* VPU -> ARM IRQ line to use to notify of power level change 
completion. */
-       u32 set_power_level_done_irq;
-       /* VPU -> ARM IRQ line to use to notify of VPU idle state change */
-       u32 set_vpu_idle_update_irq;
-       /* VPU -> ARM IRQ line to use to request counter reset. */
-       u32 metric_query_event_irq;
-       /* ARM -> VPU IRQ line to use to notify of counter reset completion. */
-       u32 metric_query_event_done_irq;
-       /* VPU -> ARM IRQ line to use to notify of preemption completion. */
-       u32 preemption_done_irq;
-       /* Padding. */
-       u32 pad3[52];
-       /* Silicon information: 0x300 - 0x3FF */
+       /** Padding. */
+       u32 reserved_5[60];
+       /** Silicon information: 0x300 - 0x3FF */
        u32 host_version_id;
        u32 si_stepping;
        u64 device_id;
@@ -294,7 +276,7 @@ struct vpu_boot_params {
        u32 crit_tracing_buff_size;
        u64 verbose_tracing_buff_addr;
        u32 verbose_tracing_buff_size;
-       u64 verbose_tracing_sw_component_mask; /* TO BE REMOVED */
+       u64 verbose_tracing_sw_component_mask; /** TO BE REMOVED */
        /**
         * Mask of destinations to which logging messages are delivered; 
bitwise OR
         * of values defined in vpu_trace_destination enum.
@@ -308,11 +290,7 @@ struct vpu_boot_params {
        /** Mask of trace message formats supported by the driver */
        u64 tracing_buff_message_format_mask;
        u64 trace_reserved_1[2];
-       /**
-        * Period at which the VPU reads the temp sensor values into MMIO, on
-        * platforms where that is necessary (in ms). 0 to disable reads.
-        */
-       u32 temp_sensor_period_ms;
+       u32 reserved_6;
        /** PLL ratio for efficient clock frequency */
        u32 pn_freq_pll_ratio;
        /**
@@ -347,11 +325,11 @@ struct vpu_boot_params {
         *       1: IPC message required to save state on D0i3 entry flow.
         */
        u32 d0i3_delayed_entry;
-       /* Time spent by VPU in D0i3 state */
+       /** Time spent by VPU in D0i3 state */
        u64 d0i3_residency_time_us;
-       /* Value of VPU perf counter at the time of entering D0i3 state . */
+       /** Value of VPU perf counter at the time of entering D0i3 state . */
        u64 d0i3_entry_vpu_ts;
-       /*
+       /**
         * The system time of the host operating system in microseconds.
         * E.g the number of microseconds since 1st of January 1970, or whatever
         * date the host operating system uses to maintain system time.
@@ -359,57 +337,52 @@ struct vpu_boot_params {
         * The KMD is required to update this value on every VPU reset.
         */
        u64 system_time_us;
-       u32 pad4[2];
-       /*
+       u32 reserved_7[2];
+       /**
         * The delta between device monotonic time and the current value of the
         * HW timestamp register, in ticks. Written by the firmware during boot.
         * Can be used by the KMD to calculate device time.
         */
        u64 device_time_delta_ticks;
-       u32 pad7[14];
-       /* Warm boot information: 0x400 - 0x43F */
-       u32 warm_boot_sections_count;
-       u32 warm_boot_start_address_reference;
-       u32 warm_boot_section_info_address_offset;
-       u32 pad5[13];
-       /* Power States transitions timestamps: 0x440 - 0x46F*/
-       struct {
-               /* VPU_IDLE -> VPU_ACTIVE transition initiated timestamp */
+       u32 reserved_8[30];
+       /** Power States transitions timestamps: 0x440 - 0x46F*/
+       struct power_states_timestamps {
+               /** VPU_IDLE -> VPU_ACTIVE transition initiated timestamp */
                u64 vpu_active_state_requested;
-               /* VPU_IDLE -> VPU_ACTIVE transition completed timestamp */
+               /** VPU_IDLE -> VPU_ACTIVE transition completed timestamp */
                u64 vpu_active_state_achieved;
-               /* VPU_ACTIVE -> VPU_IDLE transition initiated timestamp */
+               /** VPU_ACTIVE -> VPU_IDLE transition initiated timestamp */
                u64 vpu_idle_state_requested;
-               /* VPU_ACTIVE -> VPU_IDLE transition completed timestamp */
+               /** VPU_ACTIVE -> VPU_IDLE transition completed timestamp */
                u64 vpu_idle_state_achieved;
-               /* VPU_IDLE -> VPU_STANDBY transition initiated timestamp */
+               /** VPU_IDLE -> VPU_STANDBY transition initiated timestamp */
                u64 vpu_standby_state_requested;
-               /* VPU_IDLE -> VPU_STANDBY transition completed timestamp */
+               /** VPU_IDLE -> VPU_STANDBY transition completed timestamp */
                u64 vpu_standby_state_achieved;
        } power_states_timestamps;
-       /* VPU scheduling mode. Values defined by VPU_SCHEDULING_MODE_* macros. 
*/
+       /** VPU scheduling mode. Values defined by VPU_SCHEDULING_MODE_* 
macros. */
        u32 vpu_scheduling_mode;
-       /* Present call period in milliseconds. */
+       /** Present call period in milliseconds. */
        u32 vpu_focus_present_timer_ms;
-       /* VPU ECC Signaling */
+       /** VPU ECC Signaling */
        u32 vpu_uses_ecc_mca_signal;
-       /* Values defined by POWER_PROFILE* macros */
+       /** Values defined by POWER_PROFILE* macros */
        u32 power_profile;
-       /* Microsecond value for DCT active cycle */
+       /** Microsecond value for DCT active cycle */
        u32 dct_active_us;
-       /* Microsecond value for DCT inactive cycle */
+       /** Microsecond value for DCT inactive cycle */
        u32 dct_inactive_us;
-       /* Unused/reserved: 0x488 - 0xFFF */
-       u32 pad6[734];
+       /** Unused/reserved: 0x488 - 0xFFF */
+       u32 reserved_9[734];
  };
-/* Magic numbers set between host and vpu to detect corruption of tracing init */
+/** Magic numbers set between host and vpu to detect corruption of tracing 
init */
  #define VPU_TRACING_BUFFER_CANARY (0xCAFECAFE)
-/* Tracing buffer message format definitions */
+/** Tracing buffer message format definitions */
  #define VPU_TRACING_FORMAT_STRING 0
  #define VPU_TRACING_FORMAT_MIPI         2
-/*
+/**
   * Header of the tracing buffer.
   * The below defined header will be stored at the beginning of
   * each allocated tracing buffer, followed by a series of 256b
@@ -421,53 +394,55 @@ struct vpu_tracing_buffer_header {
         * @see VPU_TRACING_BUFFER_CANARY
         */
        u32 host_canary_start;
-       /* offset from start of buffer for trace entries */
+       /** offset from start of buffer for trace entries */
        u32 read_index;
-       /* keeps track of wrapping on the reader side */
+       /** keeps track of wrapping on the reader side */
        u32 read_wrap_count;
        u32 pad_to_cache_line_size_0[13];
-       /* End of first cache line */
+       /** End of first cache line */
/**
         * Magic number set by host to detect corruption
         * @see VPU_TRACING_BUFFER_CANARY
         */
        u32 vpu_canary_start;
-       /* offset from start of buffer from write start */
+       /** offset from start of buffer from write start */
        u32 write_index;
-       /* counter for buffer wrapping */
+       /** counter for buffer wrapping */
        u32 wrap_count;
-       /* legacy field - do not use */
+       /** legacy field - do not use */
        u32 reserved_0;
        /**
-        * Size of the log buffer include this header (@header_size) and space
-        * reserved for all messages. If @alignment` is greater that 0 the @Size
-        * must be multiple of @Alignment.
+        * Size of the log buffer including this header (`header_size`) and 
space
+        * reserved for all messages. If `alignment` is greater than 0, the 
`size`
+        * must be a multiple of `alignment`.
         */
        u32 size;
-       /* Header version */
+       /** Header version */
        u16 header_version;
-       /* Header size */
+       /** Header size */
        u16 header_size;
-       /*
+       /**
         * Format of the messages in the trace buffer
         * 0 - null terminated string
         * 1 - size + null terminated string
         * 2 - MIPI-SysT encoding
         */
        u32 format;
-       /*
+       /**
         * Message alignment
         * 0 - messages are place 1 after another
         * n - every message starts and multiple on offset
         */
-       u32 alignment; /* 64, 128, 256 */
-       /* Name of the logging entity, i.e "LRT", "LNN", "SHV0", etc */
+       u32 alignment; /** 64, 128, 256 */
+       /** Name of the logging entity, i.e "LRT", "LNN", "SHV0", etc */
        char name[16];
        u32 pad_to_cache_line_size_1[4];
-       /* End of second cache line */
+       /** End of second cache line */
  };
#pragma pack(pop) #endif
+
+///@}
Reviewed-by: Lizhi Hou <[email protected]>

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