From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/target/target_core_spc.c | 57 ++++++++++++++++++++++++++++++++-------------------------
1 files changed, 32 insertions(+), 25 deletions(-)
diff --git a/kernel/drivers/target/target_core_spc.c b/kernel/drivers/target/target_core_spc.c
index 93424db..ca5579e 100644
--- a/kernel/drivers/target/target_core_spc.c
+++ b/kernel/drivers/target/target_core_spc.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SCSI Primary Commands (SPC) parsing and emulation.
*
* (c) Copyright 2002-2013 Datera, Inc.
*
* Nicholas A. Bellinger <nab@kernel.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/kernel.h>
@@ -113,12 +100,14 @@
* unused bytes at the end of the field (i.e., highest offset) and the
* unused bytes shall be filled with ASCII space characters (20h).
*/
- memset(&buf[8], 0x20, 8 + 16 + 4);
- memcpy(&buf[8], "LIO-ORG", sizeof("LIO-ORG") - 1);
+ memset(&buf[8], 0x20,
+ INQUIRY_VENDOR_LEN + INQUIRY_MODEL_LEN + INQUIRY_REVISION_LEN);
+ memcpy(&buf[8], dev->t10_wwn.vendor,
+ strnlen(dev->t10_wwn.vendor, INQUIRY_VENDOR_LEN));
memcpy(&buf[16], dev->t10_wwn.model,
- strnlen(dev->t10_wwn.model, 16));
+ strnlen(dev->t10_wwn.model, INQUIRY_MODEL_LEN));
memcpy(&buf[32], dev->t10_wwn.revision,
- strnlen(dev->t10_wwn.revision, 4));
+ strnlen(dev->t10_wwn.revision, INQUIRY_REVISION_LEN));
buf[4] = 31; /* Set additional length to 31 */
return 0;
@@ -257,8 +246,9 @@
buf[off+1] = 0x1; /* T10 Vendor ID */
buf[off+2] = 0x0;
/* left align Vendor ID and pad with spaces */
- memset(&buf[off+4], 0x20, 8);
- memcpy(&buf[off+4], "LIO-ORG", sizeof("LIO-ORG") - 1);
+ memset(&buf[off+4], 0x20, INQUIRY_VENDOR_LEN);
+ memcpy(&buf[off+4], dev->t10_wwn.vendor,
+ strnlen(dev->t10_wwn.vendor, INQUIRY_VENDOR_LEN));
/* Extra Byte for NULL Terminator */
id_len++;
/* Identifier Length */
@@ -643,9 +633,9 @@
/*
* The unmap_zeroes_data set means that the underlying device supports
- * REQ_DISCARD and has the discard_zeroes_data bit set. This satisfies
- * the SBC requirements for LBPRZ, meaning that a subsequent read
- * will return zeroes after an UNMAP or WRITE SAME (16) to an LBA
+ * REQ_OP_DISCARD and has the discard_zeroes_data bit set. This
+ * satisfies the SBC requirements for LBPRZ, meaning that a subsequent
+ * read will return zeroes after an UNMAP or WRITE SAME (16) to an LBA
* See sbc4r36 6.6.4.
*/
if (((dev->dev_attrib.emulate_tpu != 0) ||
@@ -857,8 +847,17 @@
* for a BUSY, TASK SET FULL, or RESERVATION CONFLICT status regardless
* to the number of commands completed with one of those status codes.
*/
- p[4] = (dev->dev_attrib.emulate_ua_intlck_ctrl == 2) ? 0x30 :
- (dev->dev_attrib.emulate_ua_intlck_ctrl == 1) ? 0x20 : 0x00;
+ switch (dev->dev_attrib.emulate_ua_intlck_ctrl) {
+ case TARGET_UA_INTLCK_CTRL_ESTABLISH_UA:
+ p[4] = 0x30;
+ break;
+ case TARGET_UA_INTLCK_CTRL_NO_CLEAR:
+ p[4] = 0x20;
+ break;
+ default: /* TARGET_UA_INTLCK_CTRL_CLEAR */
+ p[4] = 0x00;
+ break;
+ }
/*
* From spc4r17, section 7.4.6 Control mode Page
*
@@ -1288,6 +1287,14 @@
struct se_device *dev = cmd->se_dev;
unsigned char *cdb = cmd->t_task_cdb;
+ if (!dev->dev_attrib.emulate_pr &&
+ ((cdb[0] == PERSISTENT_RESERVE_IN) ||
+ (cdb[0] == PERSISTENT_RESERVE_OUT) ||
+ (cdb[0] == RELEASE || cdb[0] == RELEASE_10) ||
+ (cdb[0] == RESERVE || cdb[0] == RESERVE_10))) {
+ return TCM_UNSUPPORTED_SCSI_OPCODE;
+ }
+
switch (cdb[0]) {
case MODE_SELECT:
*size = cdb[4];
--
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