__genwqe_readl(9)
π
__genwqe_readl (9) β from the Kernel API Manual, bestie
okay so picture this: you're deep in the kernel, you're in the genwqe driver, and you just need one little 32-bit number out of a register. that's it. that's the whole function. she's short, she's sweet, she reads a register and she goes home. iconic behavior honestly π
β¨ NAME β¨
__genwqe_readl β literally just Read 32-bit register. no cap, that's the entire job description π
πΈ SYNOPSIS πΈ
u32 __genwqe_readl (struct genwqe_dev *cd , u64 byte_offs );
look at her go π¦ she takes two things and hands you back a u32.
π ARGUMENTS π
cdβ the genwqe device descriptor. like, which card are we talking to, bestie? this is how she knows π«Άbyte_offsβ the offset within BAR. that's where the register lives, so that's where she's looking π
β RETURN β
Value from register. that's it. that's the tea. you asked for the register's value, she gives you the register's value, no drama, no notes π₯
π SEE ALSO π
so if you wanna go down the rabbit hole (and honestly? you should), the kernel file is ./drivers/misc/genwqe/card_utils.c, and here's the whole friend group:
__genwqe_writeq(9)__genwqe_readq(9)__genwqe_writel(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_set_interrupt_capability(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)
like, the range?? the versatility?? main character energy all around ππ
ngl bestie, this one's a team player β she's one tiny read in a big genwqe family, so don't expect fireworks. she reads. she returns. she slays. πβ¨
and that's a wrap, bestie π this lil page came out of ./drivers/misc/genwqe, dated October 2026 β go forth and read those registers responsibly π§ββοΈπ
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