sata_sff_hardreset(9)

💖 NAME 💖

okay bestie, welcome to the sata_sff_hardreset(9) page from the Kernel API Manual ✨ This one is lowkey iconic: sata_sff_hardreset — reset host port via SATA phy reset 💅

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🦋 SYNOPSIS 🦋

int sata_sff_hardreset (struct ata_link *link , unsigned int *class ,
       unsigned long deadline );

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🎀 ARGUMENTS 🎀

• link — the link to reset, main character energy 🫶
• class — the resulting class of the attached device, that's the whole point of this parameter bestie ✨
• deadline — deadline jiffies for the operation, aka the clock is ticking ⏳

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🔥 DESCRIPTION 🔥

SATA phy-reset host port using DET bits of SControl register, wait for !BSY and classify the attached device. No cap, that's the vibe 🔥

LOCKING: Kernel thread context (may sleep) 😴

bestie, it says may sleep, so this is not the "tiny atomic moment" vibe — keep that in mind fr fr 🧚

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💅 RETURN 💅

0 on success, -errno otherwise. Slay when it's 0, and when it's -errno, well… at least you know 💀

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🌈 SEE ALSO 🌈

Kernel file: ./drivers/ata/libata-sff.c — go peek at the source, iykyk 👀

The whole function squad, in the original order:

• ata_sff_check_status(9)
• ata_sff_altstatus(9)
• ata_sff_irq_status(9)
• ata_sff_sync(9)
• ata_sff_pause(9)
• ata_sff_dma_pause(9)
• ata_sff_wait_ready(9)
• ata_sff_set_devctl(9)
• ata_sff_dev_select(9)
• ata_dev_select(9)
• ata_sff_irq_on(9)
• ata_sff_tf_load(9)
• ata_sff_tf_read(9)
• ata_sff_exec_command(9)
• ata_tf_to_host(9)
• ata_sff_data_xfer(9)
• ata_sff_data_xfer32(9)
• ata_pio_sector(9)
• ata_pio_sectors(9)
• atapi_send_cdb(9)
• __atapi_pio_bytes(9)
• atapi_pio_bytes(9)
• ata_hsm_ok_in_wq(9)
• ata_hsm_qc_complete(9)
• ata_sff_hsm_move(9)
• ata_sff_qc_issue(9)
• ata_sff_qc_fill_rtf(9)
• ata_sff_port_intr(9)
• ata_sff_interrupt(9)
• ata_sff_lost_interrupt(9)
• ata_sff_freeze(9)
• ata_sff_thaw(9)
• ata_sff_prereset(9)
• ata_devchk(9)
• ata_sff_dev_classify(9)
• ata_sff_wait_after_reset(9)
• ata_sff_softreset(9)
• ata_sff_postreset(9)
• ata_sff_drain_fifo(9)
• ata_sff_error_handler(9)
• ata_sff_std_ports(9)
• ata_pci_sff_init_host(9)
• ata_pci_sff_prepare_host(9)
• ata_pci_sff_activate_host(9)
• ata_pci_sff_init_one(9)
• ata_bmdma_fill_sg(9)
• ata_bmdma_fill_sg_dumb(9)
• ata_bmdma_qc_prep(9)
• ata_bmdma_dumb_qc_prep(9)
• ata_bmdma_qc_issue(9)
• ata_bmdma_port_intr(9)
• ata_bmdma_interrupt(9)
• ata_bmdma_error_handler(9)
• ata_bmdma_post_internal_cmd(9)
• ata_bmdma_irq_clear(9)
• ata_bmdma_setup(9)
• ata_bmdma_start(9)
• ata_bmdma_stop(9)
• ata_bmdma_status(9)
• ata_bmdma_port_start(9)
• ata_bmdma_port_start32(9)
• ata_pci_bmdma_clear_simplex(9)
• ata_pci_bmdma_init(9)
• ata_pci_bmdma_prepare_host(9)
• ata_pci_bmdma_init_one(9)
• ata_sff_port_init(9)

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🫶 that's the whole page, bestie! Source/version: ./drivers/ata with Kernel API Manual energy; date: October 2026; and we out here on sata_sff_hardreset(9) 💅✨