genwqe_set_...t_capability(9)
π genwqe_set_interrupt_capability(9) β like, the Kernel API Manual edition π
okay so bestie, real talk: this page lives in section 9 of the kernel API manual, and it's all about one lil' function that sets up your MSI capability structure. it's giving "small function, big responsibility" energy fr fr β¨
πΈ NAME πΈ
genwqe_set_interrupt_capability β configure the MSI capability structure. no cap, that's literally the whole job π
π¦ SYNOPSIS π¦
int genwqe_set_interrupt_capability (struct genwqe_dev *cd , int count );
she's a function, she returns an int, and she takes exactly two arguments β we love a low-maintenance icon π
β¨ ARGUMENTS β¨
cdβ pointer to the device π«Ά like, hand her the actual device struct and she'll take it from there.countβ the number of vectors to allocate π so you're telling her how many you want, bestie. be honest with her.
π₯ RETURN π₯
0β returned if there's no error β that's it. zero means we ate, we slayed, we're done. periodt.
heads up babe, the page only promises 0 for "no error" β it doesn't spell out what a non-zero value looks like, so don't go making stuff up π
π SEE ALSO π
she doesn't do this alone, bestie β she's part of the whole squad hanging out in the kernel file ./drivers/misc/genwqe/card_utils.c. go say hi to:
__genwqe_writeq(9)__genwqe_readq(9)__genwqe_writel(9)__genwqe_readl(9)genwqe_read_app_id(9)genwqe_init_crc32(9)genwqe_crc32(9)genwqe_free_sync_sgl(9)genwqe_user_vmap(9)genwqe_user_vunmap(9)genwqe_card_type(9)genwqe_card_reset(9)genwqe_reset_interrupt_capability(9)set_reg_idx(9)genwqe_ffdc_buff_size(9)genwqe_ffdc_buff_read(9)genwqe_write_vreg(9)genwqe_read_vreg(9)genwqe_base_clock_frequency(9)genwqe_stop_traps(9)genwqe_start_traps(9)
π§ sign-off π§
this little masterpiece is brought to you by the good people over at ./drivers/misc/genwqe, dated October 2026 β that's the version + date flex, and honestly? iconic. go forth and configure those interrupt capabilities, bestie, you've got this ππ¦
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