STRUCT MSI_DOMAIN_TEMPLATE(9)

🎀 struct msi_domain_template(9) 🎀

okay bestie, welcome to the Kernel API Manual — this one's all about the msi_domain_template struct, and honestly? it's giving "blueprint era." it's literally the template for MSI device domains, no cap. 💅

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✨ NAME ✨

struct msi_domain_template — the Template for MSI device domains. yes, a template. for MSI device domains. iconic behavior honestly 🫶

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🌸 SYNOPSIS 🌸

struct msi_domain_template {
    char name[48];
    struct irq_chip         chip;
    struct msi_domain_ops   ops;
    struct msi_domain_info  info;
    msi_alloc_info_t alloc_info;
 };

look at her. five members, all main characters, living their best struct life ✨

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💖 Members 💖

• name — Storage for the resulting name. Filled in by the core. 🎀 so like, you don't fill this in yourself bestie, the core does it for you, king behavior fr fr
• chip — the Interrupt chip for this domain 💅
• ops — the MSI domain ops 🌸
• info — the MSI domain info data ✨
• alloc_info — the MSI domain allocation data — and heads up, this one's architecture specific, so it's giving "depends on your platform" vibes, iykyk 💀

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💅 SEE ALSO 💅

Kernel file ./include/linux/msi.h, plus the whole friend group you gotta go check out — they all ate, ngl:

• struct msi_msg(9)
• struct pci_msi_desc(9)
• union msi_domain_cookie(9)
• struct msi_desc_data(9)
• struct msi_desc(9)
• struct msi_dev_domain(9)
• msi_first_desc(9)
• msi_domain_for_each_desc(9)
• msi_for_each_desc(9)
• msi_msg_set_addr(9)
• msi_insert_msi_desc(9)
• msi_free_msi_descs_range(9)
• msi_free_msi_descs(9)
• struct msi_domain_ops(9)
• struct msi_domain_info(9)
• struct msi_parent_ops(9)

like, the whole squad is referenced, we love a connected friend group 🧚💜

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and that's the page bestie! brought to you by the source over in ./include/linux, dated October 2026 — mwah, study it, slay your kernel journey, and drink some water 💖✨🎀

periodt. 🌈