drm/i915/doc: Convert perf UAPI comments to kerneldoc
Convert the comments for drm_i915_query_perf_config and drm_i915_perf_oa_config to kerneldoc so that they will show up in the generated documentation. Also correct a couple places that referred to query_id when they actually meant to refer to query_item.flags. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Francisco Jerez <currojerez@riseup.net> Link: https://patchwork.freedesktop.org/patch/msgid/20220414192230.749771-2-matthew.d.roper@intel.com
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Matt Roper
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462ac1cdf4
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a2e5402691
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@ -2657,24 +2657,65 @@ enum drm_i915_perf_record_type {
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DRM_I915_PERF_RECORD_MAX /* non-ABI */
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};
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/*
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/**
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* struct drm_i915_perf_oa_config
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*
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* Structure to upload perf dynamic configuration into the kernel.
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*/
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struct drm_i915_perf_oa_config {
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/** String formatted like "%08x-%04x-%04x-%04x-%012x" */
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/**
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* @uuid:
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*
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* String formatted like "%\08x-%\04x-%\04x-%\04x-%\012x"
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*/
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char uuid[36];
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/**
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* @n_mux_regs:
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*
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* Number of mux regs in &mux_regs_ptr.
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*/
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__u32 n_mux_regs;
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/**
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* @n_boolean_regs:
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*
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* Number of boolean regs in &boolean_regs_ptr.
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*/
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__u32 n_boolean_regs;
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/**
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* @n_flex_regs:
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*
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* Number of flex regs in &flex_regs_ptr.
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*/
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__u32 n_flex_regs;
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/*
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* These fields are pointers to tuples of u32 values (register address,
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* value). For example the expected length of the buffer pointed by
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* mux_regs_ptr is (2 * sizeof(u32) * n_mux_regs).
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/**
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* @mux_regs_ptr:
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*
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* Pointer to tuples of u32 values (register address, value) for mux
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* registers. Expected length of buffer is (2 * sizeof(u32) *
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* &n_mux_regs).
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*/
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__u64 mux_regs_ptr;
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/**
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* @boolean_regs_ptr:
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*
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* Pointer to tuples of u32 values (register address, value) for mux
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* registers. Expected length of buffer is (2 * sizeof(u32) *
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* &n_boolean_regs).
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*/
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__u64 boolean_regs_ptr;
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/**
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* @flex_regs_ptr:
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*
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* Pointer to tuples of u32 values (register address, value) for mux
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* registers. Expected length of buffer is (2 * sizeof(u32) *
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* &n_flex_regs).
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*/
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__u64 flex_regs_ptr;
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};
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@ -3001,52 +3042,67 @@ struct drm_i915_query_engine_info {
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struct drm_i915_engine_info engines[];
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};
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/*
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* Data written by the kernel with query DRM_I915_QUERY_PERF_CONFIG.
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/**
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* struct drm_i915_query_perf_config
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*
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* Data written by the kernel with query %DRM_I915_QUERY_PERF_CONFIG.
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*/
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struct drm_i915_query_perf_config {
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union {
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/*
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* When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets
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* this fields to the number of configurations available.
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/**
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* @n_configs:
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*
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* When &drm_i915_query_item.flags ==
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* %DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets this fields to
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* the number of configurations available.
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*/
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__u64 n_configs;
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/*
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* When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID,
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* i915 will use the value in this field as configuration
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* identifier to decide what data to write into config_ptr.
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/**
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* @config:
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*
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* When &drm_i915_query_item.flags ==
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* %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID, i915 will use the
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* value in this field as configuration identifier to decide
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* what data to write into config_ptr.
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*/
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__u64 config;
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/*
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* When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID,
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* i915 will use the value in this field as configuration
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* identifier to decide what data to write into config_ptr.
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/**
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* @uuid:
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*
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* When &drm_i915_query_item.flags ==
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* %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID, i915 will use the
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* value in this field as configuration identifier to decide
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* what data to write into config_ptr.
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*
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* String formatted like "%08x-%04x-%04x-%04x-%012x"
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*/
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char uuid[36];
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};
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/*
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/**
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* @flags:
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*
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* Unused for now. Must be cleared to zero.
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*/
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__u32 flags;
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/*
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* When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 will
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* write an array of __u64 of configuration identifiers.
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/**
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* @data:
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*
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* When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_DATA, i915 will
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* write a struct drm_i915_perf_oa_config. If the following fields of
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* drm_i915_perf_oa_config are set not set to 0, i915 will write into
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* the associated pointers the values of submitted when the
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* When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_LIST,
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* i915 will write an array of __u64 of configuration identifiers.
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*
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* When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_DATA,
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* i915 will write a struct drm_i915_perf_oa_config. If the following
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* fields of struct drm_i915_perf_oa_config are not set to 0, i915 will
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* write into the associated pointers the values of submitted when the
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* configuration was created :
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*
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* - n_mux_regs
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* - n_boolean_regs
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* - n_flex_regs
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* - &drm_i915_perf_oa_config.n_mux_regs
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* - &drm_i915_perf_oa_config.n_boolean_regs
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* - &drm_i915_perf_oa_config.n_flex_regs
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*/
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__u8 data[];
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};
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