it821x_check_atapi_dma(9)
β¨ NAME β¨
it821x_check_atapi_dmaβ ATAPI DMA handler π
okay bestie, this is the it821x_check_atapi_dma(9) page from the Kernel API Manual, and it's here to explain the ATAPI DMA handler without making you scroll through a whole novel π«Ά
π SYNOPSIS π
int it821x_check_atapi_dma (struct ata_queued_cmd *qc );
π ARGUMENTS π
qcβ the command we're about to issue π it's astruct ata_queued_cmd *
π¦ DESCRIPTION π¦
so this function is basically doing a vibe check on whether this ATAPI command can be issued by DMA on this controller π₯
if it can be, it returns 0 β that's the yes signal, no cap β¨
π₯ SEE ALSO π₯
- Kernel file
./drivers/ata/pata_it821x.cπ it821x_program(9)it821x_program_udma(9)it821x_clock_strategy(9)it821x_passthru_set_piomode(9)it821x_passthru_set_dmamode(9)it821x_passthru_bmdma_start(9)it821x_passthru_bmdma_stop(9)it821x_passthru_dev_select(9)it821x_smart_qc_issue(9)it821x_passthru_qc_issue(9)it821x_smart_set_mode(9)it821x_dev_config(9)it821x_read_id(9)it821x_display_disk(9)it821x_firmware_command(9)it821x_probe_firmware(9)it821x_port_start(9)it821x_rdc_cable(9)
okay that's the whole page, bestie π«Ά source/version vibes: ./drivers/ata, date October 2026, and the manual name is it821x_check_atapi_dma(9) β¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms