STRUCT COMEDI_ISADMA_DESC(9)

🦋 NAME 🦋

okay so bestie, welcome to the struct comedi_isadma_desc(9) page from the Kernel API Manual 💖 this one is short and iconic: struct comedi_isadma_desc — cookie for ISA DMA. periodt. 💅

✨ SYNOPSIS ✨

struct comedi_isadma_desc {
    void *virt_addr;
    dma_addr_t hw_addr;
    unsigned int chan;
    unsigned int maxsize;
    unsigned int size;
    char mode;
};

🎀 Members 🎀

• virt_addr — virtual address of buffer. that's the vibe ✨
• hw_addr — hardware (bus) address of buffer. yes ma'am 🫶
• chan — DMA channel. the main character 🔥
• maxsize — allocated size of buffer (in bytes). big allocated energy 💜
• size — transfer size (in bytes). the actual amount moving, no cap 📦
• mode — DMA_MODE_READ or DMA_MODE_WRITE. pick your lane, bestie 💅

💖 SEE ALSO 💖

Kernel file ./include/linux/comedi/comedi_isadma.h struct comedi_isadma(9) — go say hi, iykyk 🫶🦋

that's the whole vibe, no cap 🌈✨ source/version: ./include/linux/comedi · date: October 2026 · page: struct comedi_isadma_desc(9) from the Kernel API Manual. mwah 💋