cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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iscsi_target_seq_pdu_list.h (2236B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef ISCSI_SEQ_AND_PDU_LIST_H
      3#define ISCSI_SEQ_AND_PDU_LIST_H
      4
      5#include <linux/types.h>
      6#include <linux/cache.h>
      7
      8/* struct iscsi_pdu->status */
      9#define DATAOUT_PDU_SENT			1
     10
     11/* struct iscsi_seq->type */
     12#define SEQTYPE_IMMEDIATE			1
     13#define SEQTYPE_UNSOLICITED			2
     14#define SEQTYPE_NORMAL				3
     15
     16/* struct iscsi_seq->status */
     17#define DATAOUT_SEQUENCE_GOT_R2T		1
     18#define DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY 2
     19#define DATAOUT_SEQUENCE_COMPLETE		3
     20
     21/* iscsi_determine_counts_for_list() type */
     22#define PDULIST_NORMAL				1
     23#define PDULIST_IMMEDIATE			2
     24#define PDULIST_UNSOLICITED			3
     25#define PDULIST_IMMEDIATE_AND_UNSOLICITED	4
     26
     27/* struct iscsi_pdu->type */
     28#define PDUTYPE_IMMEDIATE			1
     29#define PDUTYPE_UNSOLICITED			2
     30#define PDUTYPE_NORMAL				3
     31
     32/* struct iscsi_pdu->status */
     33#define ISCSI_PDU_NOT_RECEIVED			0
     34#define ISCSI_PDU_RECEIVED_OK			1
     35#define ISCSI_PDU_CRC_FAILED			2
     36#define ISCSI_PDU_TIMED_OUT			3
     37
     38/* struct iscsi_build_list->randomize */
     39#define RANDOM_DATAIN_PDU_OFFSETS		0x01
     40#define RANDOM_DATAIN_SEQ_OFFSETS		0x02
     41#define RANDOM_DATAOUT_PDU_OFFSETS		0x04
     42#define RANDOM_R2T_OFFSETS			0x08
     43
     44/* struct iscsi_build_list->data_direction */
     45#define ISCSI_PDU_READ				0x01
     46#define ISCSI_PDU_WRITE				0x02
     47
     48struct iscsi_build_list {
     49	int		data_direction;
     50	int		randomize;
     51	int		type;
     52	int		immediate_data_length;
     53};
     54
     55struct iscsi_pdu {
     56	int		status;
     57	int		type;
     58	u8		flags;
     59	u32		data_sn;
     60	u32		length;
     61	u32		offset;
     62	u32		pdu_send_order;
     63	u32		seq_no;
     64} ____cacheline_aligned;
     65
     66struct iscsi_seq {
     67	int		sent;
     68	int		status;
     69	int		type;
     70	u32		data_sn;
     71	u32		first_datasn;
     72	u32		last_datasn;
     73	u32		next_burst_len;
     74	u32		pdu_start;
     75	u32		pdu_count;
     76	u32		offset;
     77	u32		orig_offset;
     78	u32		pdu_send_order;
     79	u32		r2t_sn;
     80	u32		seq_send_order;
     81	u32		seq_no;
     82	u32		xfer_len;
     83} ____cacheline_aligned;
     84
     85struct iscsit_cmd;
     86
     87extern int iscsit_build_pdu_and_seq_lists(struct iscsit_cmd *, u32);
     88extern struct iscsi_pdu *iscsit_get_pdu_holder(struct iscsit_cmd *, u32, u32);
     89extern struct iscsi_pdu *iscsit_get_pdu_holder_for_seq(struct iscsit_cmd *, struct iscsi_seq *);
     90extern struct iscsi_seq *iscsit_get_seq_holder(struct iscsit_cmd *, u32, u32);
     91
     92#endif /* ISCSI_SEQ_AND_PDU_LIST_H */