scsw_cmd_is_valid_actl(9)

🎀 NAME 🎀

scsw_cmd_is_valid_actl — check actl field validity.

okay so bestie, this is the page for scsw_cmd_is_valid_actl(9), and it’s from the Kernel API Manual. It’s literally here to check the actl field’s validity. That’s the vibe 💅.

💖 SYNOPSIS 💖

int scsw_cmd_is_valid_actl (union scsw *scsw );

🦋 ARGUMENTS 🦋

• scsw — pointer to scsw. that’s the whole argument, bestie 🫶 it’s a pointer to an scsw, and yes the name is doing double duty, iykyk.

✨ DESCRIPTION ✨

okay so here’s the tea: this returns non-zero if the actl field of the specified command mode scsw is valid, and zero otherwise. fr fr, that’s the check. no cap 💖.

🌈 SEE ALSO 🌈

the kernel file is ./arch/s390/include/asm/scsw.h, and the whole bestie entourage is:

• struct cmd_scsw(9), struct tm_scsw(9), struct eadm_scsw(9), union scsw(9)
• scsw_is_tm(9), scsw_key(9), scsw_eswf(9), scsw_cc(9), scsw_ectl(9), scsw_pno(9), scsw_fctl(9), scsw_actl(9), scsw_stctl(9), scsw_dstat(9), scsw_cstat(9)
• scsw_cmd_is_valid_key(9), scsw_cmd_is_valid_sctl(9), scsw_cmd_is_valid_eswf(9), scsw_cmd_is_valid_cc(9), scsw_cmd_is_valid_fmt(9), scsw_cmd_is_valid_pfch(9), scsw_cmd_is_valid_isic(9), scsw_cmd_is_valid_alcc(9), scsw_cmd_is_valid_ssi(9), scsw_cmd_is_valid_zcc(9), scsw_cmd_is_valid_ectl(9), scsw_cmd_is_valid_pno(9), scsw_cmd_is_valid_fctl(9), scsw_cmd_is_valid_stctl(9), scsw_cmd_is_valid_dstat(9), scsw_cmd_is_valid_cstat(9)
• scsw_tm_is_valid_key(9), scsw_tm_is_valid_eswf(9), scsw_tm_is_valid_cc(9), scsw_tm_is_valid_fmt(9), scsw_tm_is_valid_x(9), scsw_tm_is_valid_q(9), scsw_tm_is_valid_ectl(9), scsw_tm_is_valid_pno(9), scsw_tm_is_valid_fctl(9), scsw_tm_is_valid_actl(9), scsw_tm_is_valid_stctl(9), scsw_tm_is_valid_dstat(9), scsw_tm_is_valid_cstat(9), scsw_tm_is_valid_fcxs(9), scsw_tm_is_valid_schxs(9)
• scsw_is_valid_actl(9), scsw_is_valid_cc(9), scsw_is_valid_cstat(9), scsw_is_valid_dstat(9), scsw_is_valid_ectl(9), scsw_is_valid_eswf(9), scsw_is_valid_fctl(9), scsw_is_valid_key(9), scsw_is_valid_pno(9), scsw_is_valid_stctl(9)
• scsw_cmd_is_solicited(9), scsw_tm_is_solicited(9), scsw_is_solicited(9)

xoxo, your kernel bestie 💜 — this page lives at ./arch/s390/include/asm, dated October 2026, and it’s literally scsw_cmd_is_valid_actl(9). slay and goodbye 🎀✨