write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/linux/ata.h
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@@ -1,29 +1,13 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
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  *  Copyright 2003-2004 Jeff Garzik
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  *
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2, or (at your option)
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- *  any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; see the file COPYING.  If not, write to
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- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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- *
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- *
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  *  libata documentation is available via 'make {ps|pdf}docs',
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  *  as Documentation/driver-api/libata.rst
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  *
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  *  Hardware documentation available from http://www.t13.org/
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- *
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  */
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 #ifndef __LINUX_ATA_H__
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@@ -581,6 +565,18 @@
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 	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
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 	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
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 	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2)))
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+#define ata_id_has_devslp(id)	\
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+	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
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+	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
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+	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)))
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+#define ata_id_has_ncq_autosense(id) \
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+	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
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+	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
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+	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)))
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+#define ata_id_has_dipm(id)	\
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+	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
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+	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
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+	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 3)))
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 #define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))
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 #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))
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 #define ata_id_u32(id,n)	\
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@@ -593,9 +589,6 @@
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 #define ata_id_cdb_intr(id)	(((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
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 #define ata_id_has_da(id)	((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))
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-#define ata_id_has_devslp(id)	((id)[ATA_ID_FEATURE_SUPP] & (1 << 8))
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-#define ata_id_has_ncq_autosense(id) \
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-				((id)[ATA_ID_FEATURE_SUPP] & (1 << 7))
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 static inline bool ata_id_has_hipm(const u16 *id)
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 {
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@@ -606,17 +599,6 @@
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 	return val & (1 << 9);
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 }
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-
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-static inline bool ata_id_has_dipm(const u16 *id)
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-{
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-	u16 val = id[ATA_ID_FEATURE_SUPP];
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-
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-	if (val == 0 || val == 0xffff)
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-		return false;
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-
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-	return val & (1 << 3);
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-}
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-
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 static inline bool ata_id_has_fua(const u16 *id)
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 {
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@@ -786,16 +768,21 @@
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 static inline bool ata_id_has_sense_reporting(const u16 *id)
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 {
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-	if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
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+	if (!(id[ATA_ID_CFS_ENABLE_2] & BIT(15)))
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 		return false;
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-	return id[ATA_ID_COMMAND_SET_3] & (1 << 6);
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+	if ((id[ATA_ID_COMMAND_SET_3] & (BIT(15) | BIT(14))) != BIT(14))
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+		return false;
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+	return id[ATA_ID_COMMAND_SET_3] & BIT(6);
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 }
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 static inline bool ata_id_sense_reporting_enabled(const u16 *id)
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 {
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-	if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
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+	if (!ata_id_has_sense_reporting(id))
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 		return false;
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-	return id[ATA_ID_COMMAND_SET_4] & (1 << 6);
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+	/* ata_id_has_sense_reporting() == true, word 86 must have bit 15 set */
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+	if ((id[ATA_ID_COMMAND_SET_4] & (BIT(15) | BIT(14))) != BIT(14))
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+		return false;
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+	return id[ATA_ID_COMMAND_SET_4] & BIT(6);
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 }
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 /**