pvr_ioctl_c...hwrt_dataset(9)

💖 pvr_ioctl_create_hwrt_dataset — a Kernel API Manual moment 💖

okay so bestie, we're literally in the pvr_ioctl_c...hwrt_dataset(9) page of the Kernel API Manual and it's giving "tiny function, big job". sit down, hydrate, and let's get into it 🫶

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🌸 NAME 🌸

pvr_ioctl_create_hwrt_dataset — the IOCTL that creates a HWRT dataset. that's it, that's the whole vibe. it makes the dataset. iconic behavior tbh ✨

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🦋 SYNOPSIS 🦋

int pvr_ioctl_create_hwrt_dataset (struct drm_device *drm_dev , void
*raw_args , struct drm_file *file );

look at that signature. three args, one int coming back at you. no cap, she's simple but she works 💅

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🎀 ARGUMENTS 🎀

• drm_dev [IN] — the DRM device. literally the whole device, that's her.
• raw_args [IN/OUT] — the arguments passed to this IOCTL. heads up: this must be of type struct drm_pvr_ioctl_create_hwrt_dataset_args. not "should", not "ideally" — must. 🙈
• file [IN] — the DRM file private data. the personal little file details, iykyk.

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⭐ DESCRIPTION ⭐

okay so here's the tea: this one gets called from userspace with DRM_IOCTL_PVR_CREATE_HWRT_DATASET. that's the whole description, and honestly? she said what she said. main character energy, minimal words. 👑

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🔥 RETURN 🔥

• 0 on success, or
• any error returned by pvr_hwrt_dataset_create.

like, whatever that function hands back, you're getting it right back. no filter, fr fr. 💀

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🌈 SEE ALSO 🌈

bestie, the friend group is large, buckle up:

• Kernel file ./drivers/gpu/drm/imagination/pvr_drv.c
• PowerVR (Series 6 and later) and IMG Graphics Driver(9)
• pvr_ioctl_create_bo(9)
• pvr_ioctl_get_bo_mmap_offset(9)
• pvr_dev_query_gpu_info_get(9)
• pvr_dev_query_runtime_info_get(9)
• pvr_dev_query_quirks_get(9)
• pvr_dev_query_enhancements_get(9)
• pvr_ioctl_dev_query(9)
• pvr_ioctl_create_context(9)
• pvr_ioctl_destroy_context(9)
• pvr_ioctl_create_free_list(9)
• pvr_ioctl_destroy_free_list(9)
• pvr_ioctl_destroy_hwrt_dataset(9)
• pvr_ioctl_create_vm_context(9)
• pvr_ioctl_destroy_vm_context(9)
• pvr_ioctl_vm_map(9)
• pvr_ioctl_vm_unmap(9)
• pvr_drm_driver_open(9)
• pvr_drm_driver_postclose(9)

like I said. the whole squad. 💜

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ngl if you're creating a dataset you'll probably want the destroy one too — it's right there in the list, pvr_ioctl_destroy_hwrt_dataset(9). balance, bestie. 🧚

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and that's the page!! 🎀 this little gem lives in ./drivers/gpu/drm/imagination, dated October 2026, and it's filed under pvr_ioctl_c...hwrt_dataset(9) in the Kernel API Manual — mwah, slay, periodt. 🦋✨