STRUCT CPPI5_DESC_EPIB_T(9)

💖 NAME 💖

So bestie, welcome to the manual page for struct cppi5_desc_epib_t — aka the Host Packet Descriptor Extended Packet Info Block. That's a whole mouthful, ik 😭. It's kernel API manual territory, and yeah, it's <pink>struct cppi5_desc_epib_t(9)` if you're the type who cites things properly (you are, and I love that for you 🫶).

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✨ SYNOPSIS ✨

Here's the whole vibe, literally the entire struct, no notes:

struct cppi5_desc_epib_t {
    u32 timestamp;
    u32 sw_info0;
    u32 sw_info1;
    u32 sw_info2;
 };

Four u32 fields, that's it, that's the queen 👑. Not a single bit more.

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🎀 Members 🎀

• timestamp — word 0: the application specific timestamp. That's your timestamp, for your app — the struct isn't gonna tell you what to do with it 💅.
• sw_info0 — word 1: Software Info 0. Software info slot number zero, iconic as ever ✨.
• sw_info1 — word 1: Software Info 1. Second software info slot — and yes, the page literally says word 1 again, that's exactly how it reads, don't @ me 🙈.
• sw_info2 — word 1: Software Info 2. Third software info slot. Word 1 once more, fr fr. The page said what it said and I'm just the messenger 🦋.

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🌈 SEE ALSO 🌈

Okay this is the part where the page goes full main-character and name-drops literally everyone in the friend group 😭. First the address: Kernel file ./include/linux/dma/ti-cppi5.h — that's home base 🏠.

Then the whole squad, in the exact order the page lists them:

• struct cppi5_desc_hdr_t(9)
• struct cppi5_host_desc_t(9)
• struct cppi5_monolithic_desc_t(9)
• cppi5_desc_is_tdcm(9)
• cppi5_desc_get_type(9)
• cppi5_desc_get_errflags(9)
• cppi5_desc_get_pktids(9)
• cppi5_desc_set_pktids(9)
• cppi5_desc_set_retpolicy(9)
• cppi5_desc_get_tags_ids(9)
• cppi5_desc_set_tags_ids(9)
• cppi5_hdesc_calc_size(9)
• cppi5_hdesc_init(9)
• cppi5_hdesc_update_flags(9)
• cppi5_hdesc_update_psdata_size(9)
• cppi5_hdesc_get_psdata_size(9)
• cppi5_hdesc_get_pktlen(9)
• cppi5_hdesc_set_pktlen(9)
• cppi5_hdesc_get_psflags(9)
• cppi5_hdesc_set_psflags(9)
• cppi5_hdesc_get_pkttype(9)
• cppi5_hdesc_set_pkttype(9)
• cppi5_hdesc_attach_buf(9)
• cppi5_hdesc_link_hbdesc(9)
• cppi5_hdesc_epib_present(9)
• cppi5_hdesc_get_psdata(9)
• cppi5_hdesc_get_swdata(9)
• enum cppi5_tr_types(9)
• enum cppi5_tr_event_size(9)
• enum cppi5_tr_trigger(9)
• enum cppi5_tr_trigger_type(9)
• struct cppi5_tr_type0_t(9)
• struct cppi5_tr_type1_t(9)
• struct cppi5_tr_type2_t(9)
• struct cppi5_tr_type3_t(9)
• struct cppi5_tr_type15_t(9)
• struct cppi5_tr_resp_t(9)
• enum cppi5_tr_resp_status_type(9)
• enum cppi5_tr_resp_status_submission(9)
• enum cppi5_tr_resp_status_unsupported(9)
• cppi5_trdesc_calc_size(9)
• cppi5_trdesc_init(9)
• cppi5_tr_init(9)
• cppi5_tr_set_trigger(9)
• cppi5_tr_csf_set(9)

Like, genuinely obsessed with how thorough that list is 💀. Go read them all, iykyk.

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Heads up bestie: everything above is the whole page, nothing skipped, nothing invented. If you need the real behaviour of any of these, go read the actual entries — I'm just making the vibe immaculate 🌸.

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Kernel API Manual 🦋 — this one lives under ./include/linux/dma and it's dated October 2026, filed under struct cppi5_desc_epib_t(9). Mwah, love you, go write some descriptors 💜🎀