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scsi: qla2xxx: Enhance purex_entry handling for 29xx series

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Update function signatures and internal logic across qla_edif.c,
qla_isr.c, and qla_os.c to accept a generic pointer for packet data and
differentiate between standard purex_entry_24xx and the extended
purex_entry_24xx_ext structures based on IS_QLA29XX().

This ensures proper initialization and processing of command and
response data for both 64-byte and 128-byte PUREX IOCBs across all ELS
paths including auth_els, RDP, copy_std_pkt, copy_multiple_pkt,
consume_iocb, and copy_purex_to_buffer.

Where the two layouts overlap at byte-identical offsets (entry_count,
frame_size, nport_handle, rx_xchg_addr, ox_id, status_flags,
trunc_frame_size, s_id, d_id, els_frame_payload base, and
response_t::signature), use a single struct purex_entry_24xx * view to
avoid duplicating read paths.  Branch only where field encoding differs:
vp_idx (u8 at offset 6 in 24xx vs __le16 at offsets 6-7 in 29xx) and
els_frame_payload[] array length (20 vs 84 bytes, handled via a
sizeof_field()-based payload_size local).

Signed-off-by: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Link: https://patch.msgid.link/20260723050413.3897522-29-njavali@marvell.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
This commit is contained in:
Nilesh Javali 2026-07-23 10:33:45 +05:30 • committed by Martin K. Petersen (Oracle)
commit 7db93e3c58
4 changed files with 139 additions and 41 deletions
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