mv_port_start(9)

💅 mv_port_start — port specific init/start routine 💅

okay so this is the mv_port_start(9) page from the Kernel API Manual, and it's giving “port specific init/start routine” energy in the best way. Bestie, it's a kernel API thing for ATA ports, so bring your sysadmin bestie vibes and let's get into it 💖

🌸 NAME 🌸

mv_port_start — Port specific init/start routine.

✨ SYNOPSIS ✨

int mv_port_start (struct ata_port *ap );

🎀 ARGUMENTS 🎀

• ap — ATA channel to manipulate. That's the whole argument, bestie 🫶

🦋 DESCRIPTION 🦋

okay so mv_port_start is the port specific init/start routine, and it's doing the setup chores: Allocate and point to DMA memory, init port private memory, and zero indices. That's the whole to-do list, no cap ✨

🔒 LOCKING

LOCKING: Inherited from caller. So whatever locking vibe the caller had, this function just inherits it — periodt 💅

🌈 SEE ALSO 🌈

Kernel file ./drivers/ata/sata_mv.c — that's the source bestie. Then the whole friend group:

• mv_save_cached_regs(9)
• mv_write_cached_reg(9)
• mv_stop_edma_engine(9)
• mv_port_stop(9)
• mv_fill_sg(9)
• mv_sff_irq_clear(9)
• mv_check_atapi_dma(9)
• mv_bmdma_setup(9)
• mv_bmdma_start(9)
• mv_bmdma_stop_ap(9)
• mv_bmdma_status(9)
• mv_qc_prep(9)
• mv_qc_prep_iie(9)
• mv_sff_check_status(9)
• mv_send_fis(9)
• mv_qc_issue_fis(9)
• mv_qc_issue(9)
• mv_err_intr(9)
• mv_host_intr(9)
• mv_interrupt(9)
• mv_port_init(9)
• mv_init_host(9)
• mv_platform_probe(9)
• mv_print_info(9)
• mv_pci_init_one(9)

signed off from the ./drivers/ata source corner, dated October 2026, on the mv_port_start(9) page — slay and goodbye 💖