vmw_cmdbuf_header_submit(9)

💅 vmw_cmdbuf_header_submit(9) 💅

okay so bestie, welcome to the Kernel API Manual entry for vmw_cmdbuf_header_submit — yes it's a kernel function, yes it's from the vmwgfx crew, and yes it does exactly one iconic thing: it submits a command buffer to hardware. that's the whole vibe. that's the assignment. 🎀

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✨ NAME ✨

vmw_cmdbuf_header_submit — submit a command buffer to hardware. slay. that's it, that's the function 💅

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🦋 SYNOPSIS 🦋

int vmw_cmdbuf_header_submit (struct vmw_cmdbuf_header *header );

that's the whole signature, no cap. returns an int (iykyk) and takes exactly one arg. 🫶

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🌸 ARGUMENTS 🌸

• header — the header of the buffer to submit. that's it. that's the whole argument. it's the struct vmw_cmdbuf_header you're handing over so it can go ✨to the hardware✨. main character arg energy fr fr 🔥

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👑 SEE ALSO 👑

bestie there is SO much lore here, buckle up 🍓. first off, hit up the kernel file itself:

Kernel file ./drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c

and then the whole extended friend group:

• structs — struct vmw_cmdbuf_context(9), struct vmw_cmdbuf_man(9), struct vmw_cmdbuf_header(9), struct vmw_cmdbuf_dheader(9), struct vmw_cmdbuf_alloc_info(9)
• locking stuff — vmw_cmdbuf_cur_lock(9), vmw_cmdbuf_cur_unlock(9)
• freeing stuff — vmw_cmdbuf_header_inline_free(9), __vmw_cmdbuf_header_free(9), vmw_cmdbuf_header_free(9)
• ctx stuff — vmw_cmdbuf_ctx_init(9), vmw_cmdbuf_ctx_submit(9), vmw_cmdbuf_ctx_process(9), vmw_cmdbuf_ctx_add(9)
• man stuff — vmw_cmdbuf_man_process(9), vmw_cmdbuf_man_idle(9), vmw_cmdbuf_man_create(9), vmw_cmdbuf_man_destroy(9)
• irq/work stuff — vmw_cmdbuf_irqthread(9), vmw_cmdbuf_work_func(9)
• flush stuff — __vmw_cmdbuf_cur_flush(9), vmw_cmdbuf_cur_flush(9), vmw_cmdbuf_idle(9)
• alloc stuff — vmw_cmdbuf_try_alloc(9), vmw_cmdbuf_alloc_space(9), vmw_cmdbuf_space_pool(9), vmw_cmdbuf_space_inline(9), vmw_cmdbuf_alloc(9)
• reserve/commit stuff — vmw_cmdbuf_reserve_cur(9), vmw_cmdbuf_commit_cur(9), vmw_cmdbuf_reserve(9), vmw_cmdbuf_commit(9)
• the rest of the fam — vmw_cmdbuf_send_device_command(9), vmw_cmdbuf_preempt(9), vmw_cmdbuf_startstop(9), vmw_cmdbuf_set_pool_size(9), vmw_cmdbuf_remove_pool(9)

like, that's the entire group chat 😭 every single one of them, not me listing all 37 of them with love 💖

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and that's the page!! no notes, 10/10, ate and left no crumbs 💀✨

sign-off szn: this lil masterpiece lives in ./drivers/gpu/drm/vmwgfx, dated October 2026 — so like, future vibes only 🦋. go submit those buffers bestie, u got this 🫶💜