scsi/aic94xx/aic94xx_sas.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
14 /* ---------- DDBs ---------- */
16  * domain that this sequencer can maintain low-level connections for
27 	u8     dest_sas_addr[8];  /* bytes 4-11 */
67 	u8     itnl_reason;	  /* I_T nexus loss reason */
81 	u8     dest_sas_addr[8];  /* bytes 4-11 */
117 	u8     itnl_reason;	  /* I_T nexus loss reason */
151 	__le16 init_list;	  /* initiator list link pointer */
153 	u8     max_conn_to[3]; /* from Conn-Disc mode page, in us, LE */
154 	u8     itnl_reason;	  /* I_T nexus loss reason */
155 	__le16 bus_inact_to; /* from Conn-Disc mode page, in 100 us, LE */
160 /* This struct asd_ddb_sata_tag, describes a look-up table to be used
170  * connection handle look-up table.  SATA targets attached to a port
171  * multiplier require a 4-bit port number value.  There is one DDB
206  * central and link sequencers.  port_map_by_links is indexed phy
229 /* ---------- SG Element ---------- */
233  * this, plus one more, called a link element of this indicating a
236  * A link element has only the bus address set and the flags (DS) bit
257 /* ---------- SCBs ---------- */
294 /* SCB opcodes: Link Queue
315 /* ---------- SCB tasks ---------- */
335 	struct sg_el sg_element[3]; /* 2 real and 1 link */
524 /* Transmits an arbitrary primitive on the link.
570 /* ---------- The actual SCB struct ---------- */
589 /* ---------- Done List ---------- */
592  * TC - Task Complete, status was received and acknowledged
593  * TF - Task Failed, indicates an error prior to receiving acknowledgment
595  *   - no conn,
596  *   - NACK or R_ERR received in response to this command,
597  *   - credit blocked or not available, or in the case of SMP request,
598  *   - no SMP response was received.
601  * TI - Task Interrupted, error after the command was acknowledged.  It is
603  * TU - Task Unacked, command was transmitted but neither ACK (R_OK) nor NAK
604  *   (R_ERR) was received due to loss of signal, broken connection, loss of
607  * TA - Task Aborted, see TF.
608  * _RESP - The completion includes an empty buffer containing status.
609  * TO - Timeout.
656 /* 0xc1 - 0xc7: empty buffer received,
657    0xd1 - 0xd7: establish nexus empty buffer received
674 /* ---------- PHYS ---------- */