6.12-stable review patch. If anyone has any objections, please let me know.
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From: Ashutosh Dixit ashutosh.dixit@intel.com
[ Upstream commit cc4e6994d5a237ef38363e459ac83cf8ef7626ff ]
No code changes, only code movement so that functions used during stream open can be reused for the stream reconfiguration ioctl (DRM_XE_OBSERVATION_IOCTL_CONFIG).
Reviewed-by: Jonathan Cavitt jonathan.cavitt@intel.com Signed-off-by: Ashutosh Dixit ashutosh.dixit@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20241022200352.1192560-6-ashut... Stable-dep-of: 5bd566703e16 ("drm/xe/oa: Allow oa_exponent value of 0") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/xe/xe_oa.c | 458 ++++++++++++++++++------------------- 1 file changed, 229 insertions(+), 229 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c index a54098c1a944a..dd541b62942f8 100644 --- a/drivers/gpu/drm/xe/xe_oa.c +++ b/drivers/gpu/drm/xe/xe_oa.c @@ -1091,6 +1091,235 @@ static int xe_oa_enable_metric_set(struct xe_oa_stream *stream) return xe_oa_emit_oa_config(stream, stream->oa_config); }
+static int decode_oa_format(struct xe_oa *oa, u64 fmt, enum xe_oa_format_name *name) +{ + u32 counter_size = FIELD_GET(DRM_XE_OA_FORMAT_MASK_COUNTER_SIZE, fmt); + u32 counter_sel = FIELD_GET(DRM_XE_OA_FORMAT_MASK_COUNTER_SEL, fmt); + u32 bc_report = FIELD_GET(DRM_XE_OA_FORMAT_MASK_BC_REPORT, fmt); + u32 type = FIELD_GET(DRM_XE_OA_FORMAT_MASK_FMT_TYPE, fmt); + int idx; + + for_each_set_bit(idx, oa->format_mask, __XE_OA_FORMAT_MAX) { + const struct xe_oa_format *f = &oa->oa_formats[idx]; + + if (counter_size == f->counter_size && bc_report == f->bc_report && + type == f->type && counter_sel == f->counter_select) { + *name = idx; + return 0; + } + } + + return -EINVAL; +} + +static int xe_oa_set_prop_oa_unit_id(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + if (value >= oa->oa_unit_ids) { + drm_dbg(&oa->xe->drm, "OA unit ID out of range %lld\n", value); + return -EINVAL; + } + param->oa_unit_id = value; + return 0; +} + +static int xe_oa_set_prop_sample_oa(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->sample = value; + return 0; +} + +static int xe_oa_set_prop_metric_set(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->metric_set = value; + return 0; +} + +static int xe_oa_set_prop_oa_format(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + int ret = decode_oa_format(oa, value, ¶m->oa_format); + + if (ret) { + drm_dbg(&oa->xe->drm, "Unsupported OA report format %#llx\n", value); + return ret; + } + return 0; +} + +static int xe_oa_set_prop_oa_exponent(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ +#define OA_EXPONENT_MAX 31 + + if (value > OA_EXPONENT_MAX) { + drm_dbg(&oa->xe->drm, "OA timer exponent too high (> %u)\n", OA_EXPONENT_MAX); + return -EINVAL; + } + param->period_exponent = value; + return 0; +} + +static int xe_oa_set_prop_disabled(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->disabled = value; + return 0; +} + +static int xe_oa_set_prop_exec_queue_id(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->exec_queue_id = value; + return 0; +} + +static int xe_oa_set_prop_engine_instance(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->engine_instance = value; + return 0; +} + +static int xe_oa_set_no_preempt(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->no_preempt = value; + return 0; +} + +static int xe_oa_set_prop_num_syncs(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->num_syncs = value; + return 0; +} + +static int xe_oa_set_prop_syncs_user(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param) +{ + param->syncs_user = u64_to_user_ptr(value); + return 0; +} + +typedef int (*xe_oa_set_property_fn)(struct xe_oa *oa, u64 value, + struct xe_oa_open_param *param); +static const xe_oa_set_property_fn xe_oa_set_property_funcs[] = { + [DRM_XE_OA_PROPERTY_OA_UNIT_ID] = xe_oa_set_prop_oa_unit_id, + [DRM_XE_OA_PROPERTY_SAMPLE_OA] = xe_oa_set_prop_sample_oa, + [DRM_XE_OA_PROPERTY_OA_METRIC_SET] = xe_oa_set_prop_metric_set, + [DRM_XE_OA_PROPERTY_OA_FORMAT] = xe_oa_set_prop_oa_format, + [DRM_XE_OA_PROPERTY_OA_PERIOD_EXPONENT] = xe_oa_set_prop_oa_exponent, + [DRM_XE_OA_PROPERTY_OA_DISABLED] = xe_oa_set_prop_disabled, + [DRM_XE_OA_PROPERTY_EXEC_QUEUE_ID] = xe_oa_set_prop_exec_queue_id, + [DRM_XE_OA_PROPERTY_OA_ENGINE_INSTANCE] = xe_oa_set_prop_engine_instance, + [DRM_XE_OA_PROPERTY_NO_PREEMPT] = xe_oa_set_no_preempt, + [DRM_XE_OA_PROPERTY_NUM_SYNCS] = xe_oa_set_prop_num_syncs, + [DRM_XE_OA_PROPERTY_SYNCS] = xe_oa_set_prop_syncs_user, +}; + +static int xe_oa_user_ext_set_property(struct xe_oa *oa, u64 extension, + struct xe_oa_open_param *param) +{ + u64 __user *address = u64_to_user_ptr(extension); + struct drm_xe_ext_set_property ext; + int err; + u32 idx; + + err = __copy_from_user(&ext, address, sizeof(ext)); + if (XE_IOCTL_DBG(oa->xe, err)) + return -EFAULT; + + if (XE_IOCTL_DBG(oa->xe, ext.property >= ARRAY_SIZE(xe_oa_set_property_funcs)) || + XE_IOCTL_DBG(oa->xe, ext.pad)) + return -EINVAL; + + idx = array_index_nospec(ext.property, ARRAY_SIZE(xe_oa_set_property_funcs)); + return xe_oa_set_property_funcs[idx](oa, ext.value, param); +} + +typedef int (*xe_oa_user_extension_fn)(struct xe_oa *oa, u64 extension, + struct xe_oa_open_param *param); +static const xe_oa_user_extension_fn xe_oa_user_extension_funcs[] = { + [DRM_XE_OA_EXTENSION_SET_PROPERTY] = xe_oa_user_ext_set_property, +}; + +#define MAX_USER_EXTENSIONS 16 +static int xe_oa_user_extensions(struct xe_oa *oa, u64 extension, int ext_number, + struct xe_oa_open_param *param) +{ + u64 __user *address = u64_to_user_ptr(extension); + struct drm_xe_user_extension ext; + int err; + u32 idx; + + if (XE_IOCTL_DBG(oa->xe, ext_number >= MAX_USER_EXTENSIONS)) + return -E2BIG; + + err = __copy_from_user(&ext, address, sizeof(ext)); + if (XE_IOCTL_DBG(oa->xe, err)) + return -EFAULT; + + if (XE_IOCTL_DBG(oa->xe, ext.pad) || + XE_IOCTL_DBG(oa->xe, ext.name >= ARRAY_SIZE(xe_oa_user_extension_funcs))) + return -EINVAL; + + idx = array_index_nospec(ext.name, ARRAY_SIZE(xe_oa_user_extension_funcs)); + err = xe_oa_user_extension_funcs[idx](oa, extension, param); + if (XE_IOCTL_DBG(oa->xe, err)) + return err; + + if (ext.next_extension) + return xe_oa_user_extensions(oa, ext.next_extension, ++ext_number, param); + + return 0; +} + +static int xe_oa_parse_syncs(struct xe_oa *oa, struct xe_oa_open_param *param) +{ + int ret, num_syncs, num_ufence = 0; + + if (param->num_syncs && !param->syncs_user) { + drm_dbg(&oa->xe->drm, "num_syncs specified without sync array\n"); + ret = -EINVAL; + goto exit; + } + + if (param->num_syncs) { + param->syncs = kcalloc(param->num_syncs, sizeof(*param->syncs), GFP_KERNEL); + if (!param->syncs) { + ret = -ENOMEM; + goto exit; + } + } + + for (num_syncs = 0; num_syncs < param->num_syncs; num_syncs++) { + ret = xe_sync_entry_parse(oa->xe, param->xef, ¶m->syncs[num_syncs], + ¶m->syncs_user[num_syncs], 0); + if (ret) + goto err_syncs; + + if (xe_sync_is_ufence(¶m->syncs[num_syncs])) + num_ufence++; + } + + if (XE_IOCTL_DBG(oa->xe, num_ufence > 1)) { + ret = -EINVAL; + goto err_syncs; + } + + return 0; + +err_syncs: + while (num_syncs--) + xe_sync_entry_cleanup(¶m->syncs[num_syncs]); + kfree(param->syncs); +exit: + return ret; +} + static void xe_oa_stream_enable(struct xe_oa_stream *stream) { stream->pollin = false; @@ -1664,27 +1893,6 @@ static bool engine_supports_oa_format(const struct xe_hw_engine *hwe, int type) } }
-static int decode_oa_format(struct xe_oa *oa, u64 fmt, enum xe_oa_format_name *name) -{ - u32 counter_size = FIELD_GET(DRM_XE_OA_FORMAT_MASK_COUNTER_SIZE, fmt); - u32 counter_sel = FIELD_GET(DRM_XE_OA_FORMAT_MASK_COUNTER_SEL, fmt); - u32 bc_report = FIELD_GET(DRM_XE_OA_FORMAT_MASK_BC_REPORT, fmt); - u32 type = FIELD_GET(DRM_XE_OA_FORMAT_MASK_FMT_TYPE, fmt); - int idx; - - for_each_set_bit(idx, oa->format_mask, __XE_OA_FORMAT_MAX) { - const struct xe_oa_format *f = &oa->oa_formats[idx]; - - if (counter_size == f->counter_size && bc_report == f->bc_report && - type == f->type && counter_sel == f->counter_select) { - *name = idx; - return 0; - } - } - - return -EINVAL; -} - /** * xe_oa_unit_id - Return OA unit ID for a hardware engine * @hwe: @xe_hw_engine @@ -1731,214 +1939,6 @@ static int xe_oa_assign_hwe(struct xe_oa *oa, struct xe_oa_open_param *param) return ret; }
-static int xe_oa_set_prop_oa_unit_id(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - if (value >= oa->oa_unit_ids) { - drm_dbg(&oa->xe->drm, "OA unit ID out of range %lld\n", value); - return -EINVAL; - } - param->oa_unit_id = value; - return 0; -} - -static int xe_oa_set_prop_sample_oa(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->sample = value; - return 0; -} - -static int xe_oa_set_prop_metric_set(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->metric_set = value; - return 0; -} - -static int xe_oa_set_prop_oa_format(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - int ret = decode_oa_format(oa, value, ¶m->oa_format); - - if (ret) { - drm_dbg(&oa->xe->drm, "Unsupported OA report format %#llx\n", value); - return ret; - } - return 0; -} - -static int xe_oa_set_prop_oa_exponent(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ -#define OA_EXPONENT_MAX 31 - - if (value > OA_EXPONENT_MAX) { - drm_dbg(&oa->xe->drm, "OA timer exponent too high (> %u)\n", OA_EXPONENT_MAX); - return -EINVAL; - } - param->period_exponent = value; - return 0; -} - -static int xe_oa_set_prop_disabled(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->disabled = value; - return 0; -} - -static int xe_oa_set_prop_exec_queue_id(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->exec_queue_id = value; - return 0; -} - -static int xe_oa_set_prop_engine_instance(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->engine_instance = value; - return 0; -} - -static int xe_oa_set_no_preempt(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->no_preempt = value; - return 0; -} - -static int xe_oa_set_prop_num_syncs(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->num_syncs = value; - return 0; -} - -static int xe_oa_set_prop_syncs_user(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param) -{ - param->syncs_user = u64_to_user_ptr(value); - return 0; -} - -typedef int (*xe_oa_set_property_fn)(struct xe_oa *oa, u64 value, - struct xe_oa_open_param *param); -static const xe_oa_set_property_fn xe_oa_set_property_funcs[] = { - [DRM_XE_OA_PROPERTY_OA_UNIT_ID] = xe_oa_set_prop_oa_unit_id, - [DRM_XE_OA_PROPERTY_SAMPLE_OA] = xe_oa_set_prop_sample_oa, - [DRM_XE_OA_PROPERTY_OA_METRIC_SET] = xe_oa_set_prop_metric_set, - [DRM_XE_OA_PROPERTY_OA_FORMAT] = xe_oa_set_prop_oa_format, - [DRM_XE_OA_PROPERTY_OA_PERIOD_EXPONENT] = xe_oa_set_prop_oa_exponent, - [DRM_XE_OA_PROPERTY_OA_DISABLED] = xe_oa_set_prop_disabled, - [DRM_XE_OA_PROPERTY_EXEC_QUEUE_ID] = xe_oa_set_prop_exec_queue_id, - [DRM_XE_OA_PROPERTY_OA_ENGINE_INSTANCE] = xe_oa_set_prop_engine_instance, - [DRM_XE_OA_PROPERTY_NO_PREEMPT] = xe_oa_set_no_preempt, - [DRM_XE_OA_PROPERTY_NUM_SYNCS] = xe_oa_set_prop_num_syncs, - [DRM_XE_OA_PROPERTY_SYNCS] = xe_oa_set_prop_syncs_user, -}; - -static int xe_oa_user_ext_set_property(struct xe_oa *oa, u64 extension, - struct xe_oa_open_param *param) -{ - u64 __user *address = u64_to_user_ptr(extension); - struct drm_xe_ext_set_property ext; - int err; - u32 idx; - - err = __copy_from_user(&ext, address, sizeof(ext)); - if (XE_IOCTL_DBG(oa->xe, err)) - return -EFAULT; - - if (XE_IOCTL_DBG(oa->xe, ext.property >= ARRAY_SIZE(xe_oa_set_property_funcs)) || - XE_IOCTL_DBG(oa->xe, ext.pad)) - return -EINVAL; - - idx = array_index_nospec(ext.property, ARRAY_SIZE(xe_oa_set_property_funcs)); - return xe_oa_set_property_funcs[idx](oa, ext.value, param); -} - -typedef int (*xe_oa_user_extension_fn)(struct xe_oa *oa, u64 extension, - struct xe_oa_open_param *param); -static const xe_oa_user_extension_fn xe_oa_user_extension_funcs[] = { - [DRM_XE_OA_EXTENSION_SET_PROPERTY] = xe_oa_user_ext_set_property, -}; - -#define MAX_USER_EXTENSIONS 16 -static int xe_oa_user_extensions(struct xe_oa *oa, u64 extension, int ext_number, - struct xe_oa_open_param *param) -{ - u64 __user *address = u64_to_user_ptr(extension); - struct drm_xe_user_extension ext; - int err; - u32 idx; - - if (XE_IOCTL_DBG(oa->xe, ext_number >= MAX_USER_EXTENSIONS)) - return -E2BIG; - - err = __copy_from_user(&ext, address, sizeof(ext)); - if (XE_IOCTL_DBG(oa->xe, err)) - return -EFAULT; - - if (XE_IOCTL_DBG(oa->xe, ext.pad) || - XE_IOCTL_DBG(oa->xe, ext.name >= ARRAY_SIZE(xe_oa_user_extension_funcs))) - return -EINVAL; - - idx = array_index_nospec(ext.name, ARRAY_SIZE(xe_oa_user_extension_funcs)); - err = xe_oa_user_extension_funcs[idx](oa, extension, param); - if (XE_IOCTL_DBG(oa->xe, err)) - return err; - - if (ext.next_extension) - return xe_oa_user_extensions(oa, ext.next_extension, ++ext_number, param); - - return 0; -} - -static int xe_oa_parse_syncs(struct xe_oa *oa, struct xe_oa_open_param *param) -{ - int ret, num_syncs, num_ufence = 0; - - if (param->num_syncs && !param->syncs_user) { - drm_dbg(&oa->xe->drm, "num_syncs specified without sync array\n"); - ret = -EINVAL; - goto exit; - } - - if (param->num_syncs) { - param->syncs = kcalloc(param->num_syncs, sizeof(*param->syncs), GFP_KERNEL); - if (!param->syncs) { - ret = -ENOMEM; - goto exit; - } - } - - for (num_syncs = 0; num_syncs < param->num_syncs; num_syncs++) { - ret = xe_sync_entry_parse(oa->xe, param->xef, ¶m->syncs[num_syncs], - ¶m->syncs_user[num_syncs], 0); - if (ret) - goto err_syncs; - - if (xe_sync_is_ufence(¶m->syncs[num_syncs])) - num_ufence++; - } - - if (XE_IOCTL_DBG(oa->xe, num_ufence > 1)) { - ret = -EINVAL; - goto err_syncs; - } - - return 0; - -err_syncs: - while (num_syncs--) - xe_sync_entry_cleanup(¶m->syncs[num_syncs]); - kfree(param->syncs); -exit: - return ret; -} - /** * xe_oa_stream_open_ioctl - Opens an OA stream * @dev: @drm_device