vmw_send_msg(9)

✨ vmw_send_msg 💌 (kernel API manual, section 9, bestie)

okay so picture this: it's a kernel API manual page, section 9, and the star of the show is vmw_send_msg. yeah. we're in the vmwgfx drivers folder and we're sending a little message to the host. it's giving pen-pal energy fr fr 🫶

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🌸 NAME 🌸

vmw_send_msg — literally sends a message to the host 💅

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🎀 SYNOPSIS 🎀

int vmw_send_msg (struct rpc_channel *channel , const char *msg );

like, that's the whole vibe. two args, one int coming back at you ✨

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🦋 ARGUMENTS 🦋

• channel — the RPC channel 💫 (that's the thing you're sending through, obvi)
• msg — a NULL terminated string 🍓 (yes bestie, it has to be NULL terminated, that's not optional)

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👑 RETURN 👑

0 on success 🎉 that's it. that's the whole return story. zero means we ate. 🔥

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🌈 SEE ALSO 🌈

okay this list is long but we do not skip, we do not skim, we read the whole thing like the main character we are 💜 and it all lives in the kernel file ./drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:

• vmw_open_channel(9)
• vmw_close_channel(9)
• vmw_port_hb_out(9)
• vmw_port_hb_in(9)
• vmw_recv_msg(9)
• vmw_host_get_guestinfo(9)
• vmw_host_printf(9)
• vmw_msg_ioctl(9)
• reset_ppn_array(9)
• hypervisor_ppn_reset_all(9)
• hypervisor_ppn_add(9)
• hypervisor_ppn_remove(9)
• mksstat_init_record_time(9)
• mksstat_init_kern_id(9)
• vmw_mksstat_get_kern_slot(9)
• vmw_mksstat_cleanup_descriptor(9)
• vmw_mksstat_remove_all(9)
• vmw_mksstat_reset_ioctl(9)
• vmw_mksstat_add_ioctl(9)
• vmw_mksstat_remove_ioctl(9)
• vmw_disable_backdoor(9)

twenty-one entries, no cap. go read them, iykyk 📚✨

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ngl the whole page is short, but that's the point — vmw_send_msg does one thing and does it slay 💅

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and that's the page, bestie!! 🌸 this came out of the ./drivers/gpu/drm/vmwgfx source, dated October 2026, and it's the vmw_send_msg(9) page from the Kernel API Manual. mwah, go send some messages to the host 🎀💖🧚