STRUCT SCLP_DIAG_SCCB(9)

💅 struct sclp_diag_sccb(9) — bestie, it's the Kernel API Manual, section 9, and we're learning together 🫶

okay so today's main character is struct sclp_diag_sccb, and no cap, it's giving "small but iconic." It lives in the kernel API manual (section 9, iykyk) and it's literally the Diagnostic Test (ET7) SCCB. That's the whole vibe. Let's get into it ✨

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🌸 NAME 🌸

struct sclp_diag_sccb — the Diagnostic Test (ET7) SCCB. that's it, that's the name, and honestly? she ate 💅

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✨ SYNOPSIS ✨

here's the whole glow-up, exactly as it appears, do not come for me about the indentation because it's verbatim:

struct sclp_diag_sccb {
    struct sccb_header hdr;
    struct sclp_diag_evbuf evbuf;
 };

two members. that's the squad. two is plenty, she's lowkey efficient 🔥

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🎀 Members 🎀

so these are the members of the struct, and I need you to know each one okay:

• hdr — the SCCB header. yes, it's a header, it's doing header things, it's the struct sccb_header one, and she's first in line like a proper main character 👑
• evbuf — the event buffer. that's it, that's the description, and it's carrying the event buffer energy exactly as advertised 🦋

bestie please don't invent extra fields, there are literally only two, and guessing at behaviour is so not the move, we don't do that here 🙈

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🔥 SEE ALSO 🔥

• the kernel file ./drivers/s390/char/sclp_diag.h
• struct sclp_diag_ftp(9)
• struct sclp_diag_evbuf(9)

go read those next, fr fr, that's the reading list 📚✨

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and that's the whole page, bestie 🌈 this cutie lives in ./drivers/s390/char, it's dated October 2026, and it's filed under struct sclp_diag_sccb(9) — go forth and slay your diagnostics 💖🎀🌷