cppi5_trdesc_calc_size(9)

💖 NAME 💖

okay so bestie, welcome to the Kernel API Manual 🌈 — this page is all about cppi5_trdesc_calc_size, and it is literally Calculate TR Descriptor size 💅.

🦋 SYNOPSIS 🦋

size_t cppi5_trdesc_calc_size (u32 tr_count , u32 tr_size );

🌸 ARGUMENTS 🌸

• tr_count — number of TR records, bestie. that's how many TR records you're bringing to the function 💖
• tr_size — Nominal size of TR record (max) [16, 32, 64, 128] ✨ the bracket values are exactly the ones on the menu.

✨ RETURN ✨

required TR Descriptor size. that's the whole answer, no cap 🫶.

👑 SEE ALSO 👑

bestie, the whole reference squad is here — starting with the Kernel file and then every single SEE ALSO entry, fr fr:

• Kernel file ./include/linux/dma/ti-cppi5.h
• struct cppi5_desc_hdr_t(9)
• struct cppi5_host_desc_t(9)
• struct cppi5_desc_epib_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_init(9)
• cppi5_tr_init(9)
• cppi5_tr_set_trigger(9)
• cppi5_tr_csf_set(9)

cute little sign-off: this page cppi5_trdesc_calc_size(9) comes from source/version ./include/linux/dma, dated October 2026 🎀 love u, bye bestie 🫶✨