From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/scsi/libsas.h | 113 +++++++++++++++++++++++++++-----------------------------
1 files changed, 55 insertions(+), 58 deletions(-)
diff --git a/kernel/include/scsi/libsas.h b/kernel/include/scsi/libsas.h
index 3de3b10..daf9b07 100644
--- a/kernel/include/scsi/libsas.h
+++ b/kernel/include/scsi/libsas.h
@@ -1,26 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* SAS host prototypes and structures header file
*
* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * This file is licensed under GPLv2.
- *
- * 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
- *
*/
#ifndef _LIBSAS_H_
@@ -52,8 +35,8 @@
};
enum sas_phy_type {
- PHY_TYPE_PHYSICAL,
- PHY_TYPE_VIRTUAL
+ PHY_TYPE_PHYSICAL,
+ PHY_TYPE_VIRTUAL
};
/* The events are mnemonically described in sas_dump.c
@@ -91,7 +74,7 @@
#define to_dom_device(_obj) container_of(_obj, struct domain_device, dev_obj)
#define to_dev_attr(_attr) container_of(_attr, struct domain_dev_attribute,\
- attr)
+ attr)
enum routing_attribute {
DIRECT_ROUTING,
@@ -184,37 +167,37 @@
spinlock_t done_lock;
enum sas_device_type dev_type;
- enum sas_linkrate linkrate;
- enum sas_linkrate min_linkrate;
- enum sas_linkrate max_linkrate;
+ enum sas_linkrate linkrate;
+ enum sas_linkrate min_linkrate;
+ enum sas_linkrate max_linkrate;
- int pathways;
+ int pathways;
- struct domain_device *parent;
- struct list_head siblings; /* devices on the same level */
- struct asd_sas_port *port; /* shortcut to root of the tree */
+ struct domain_device *parent;
+ struct list_head siblings; /* devices on the same level */
+ struct asd_sas_port *port; /* shortcut to root of the tree */
struct sas_phy *phy;
- struct list_head dev_list_node;
+ struct list_head dev_list_node;
struct list_head disco_list_node; /* awaiting probe or destruct */
- enum sas_protocol iproto;
- enum sas_protocol tproto;
+ enum sas_protocol iproto;
+ enum sas_protocol tproto;
- struct sas_rphy *rphy;
+ struct sas_rphy *rphy;
- u8 sas_addr[SAS_ADDR_SIZE];
- u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE];
+ u8 sas_addr[SAS_ADDR_SIZE];
+ u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE];
- u8 frame_rcvd[32];
+ u8 frame_rcvd[32];
- union {
- struct expander_device ex_dev;
- struct sata_device sata_dev; /* STP & directly attached */
+ union {
+ struct expander_device ex_dev;
+ struct sata_device sata_dev; /* STP & directly attached */
struct ssp_device ssp_dev;
- };
+ };
- void *lldd_dev;
+ void *lldd_dev;
unsigned long state;
struct kref kref;
};
@@ -223,6 +206,12 @@
struct list_head drain_node;
struct work_struct work;
};
+
+static inline bool dev_is_expander(enum sas_device_type type)
+{
+ return type == SAS_EDGE_EXPANDER_DEVICE ||
+ type == SAS_FANOUT_EXPANDER_DEVICE;
+}
static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *))
{
@@ -245,9 +234,9 @@
struct sas_discovery {
struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
unsigned long pending;
- u8 fanout_sas_addr[8];
- u8 eeds_a[8];
- u8 eeds_b[8];
+ u8 fanout_sas_addr[SAS_ADDR_SIZE];
+ u8 eeds_a[SAS_ADDR_SIZE];
+ u8 eeds_b[SAS_ADDR_SIZE];
int max_level;
};
@@ -402,10 +391,6 @@
int strict_wide_ports; /* both sas_addr and attached_sas_addr must match
* their siblings when forming wide ports */
- /* LLDD calls these to notify the class of an event. */
- int (*notify_port_event)(struct asd_sas_phy *, enum port_event);
- int (*notify_phy_event)(struct asd_sas_phy *, enum phy_event);
-
void *lldd_ha; /* not touched by sas class code */
struct list_head eh_done_q; /* complete via scsi_eh_flush_done_q */
@@ -489,10 +474,16 @@
};
enum exec_status {
- /* The SAM_STAT_.. codes fit in the lower 6 bits, alias some of
- * them here to silence 'case value not in enumerated type' warnings
+ /*
+ * Values 0..0x7f are used to return the SAM_STAT_* codes. To avoid
+ * 'case value not in enumerated type' compiler warnings every value
+ * returned through the exec_status enum needs an alias with the SAS_
+ * prefix here.
*/
- __SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION,
+ SAS_SAM_STAT_GOOD = SAM_STAT_GOOD,
+ SAS_SAM_STAT_BUSY = SAM_STAT_BUSY,
+ SAS_SAM_STAT_TASK_ABORTED = SAM_STAT_TASK_ABORTED,
+ SAS_SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION,
SAS_DEV_NO_RESPONSE = 0x80,
SAS_DATA_UNDERRUN,
@@ -512,10 +503,10 @@
/* When a task finishes with a response, the LLDD examines the
* response:
- * - For an ATA task task_status_struct::stat is set to
+ * - For an ATA task task_status_struct::stat is set to
* SAS_PROTO_RESPONSE, and the task_status_struct::buf is set to the
* contents of struct ata_task_resp.
- * - For SSP tasks, if no data is present or status/TMF response
+ * - For SSP tasks, if no data is present or status/TMF response
* is valid, task_status_struct::stat is set. If data is present
* (SENSE data), the LLDD copies up to SAS_STATUS_BUF_SIZE, sets
* task_status_struct::buf_valid_size, and task_status_struct::stat is
@@ -671,15 +662,13 @@
extern void sas_resume_ha(struct sas_ha_struct *sas_ha);
extern void sas_suspend_ha(struct sas_ha_struct *sas_ha);
-int sas_set_phy_speed(struct sas_phy *phy,
- struct sas_phy_linkrates *rates);
+int sas_set_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates);
int sas_phy_reset(struct sas_phy *phy, int hard_reset);
-extern int sas_queuecommand(struct Scsi_Host * ,struct scsi_cmnd *);
+extern int sas_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
extern int sas_target_alloc(struct scsi_target *);
extern int sas_slave_configure(struct scsi_device *);
extern int sas_change_queue_depth(struct scsi_device *, int new_depth);
-extern int sas_bios_param(struct scsi_device *,
- struct block_device *,
+extern int sas_bios_param(struct scsi_device *, struct block_device *,
sector_t capacity, int *hsc);
extern struct scsi_transport_template *
sas_domain_attach_transport(struct sas_domain_function_template *);
@@ -709,7 +698,8 @@
extern void sas_target_destroy(struct scsi_target *);
extern int sas_slave_alloc(struct scsi_device *);
-extern int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
+extern int sas_ioctl(struct scsi_device *sdev, unsigned int cmd,
+ void __user *arg);
extern int sas_drain_work(struct sas_ha_struct *ha);
extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
@@ -718,4 +708,11 @@
int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
+int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event);
+int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event);
+int sas_notify_port_event_gfp(struct asd_sas_phy *phy, enum port_event event,
+ gfp_t gfp_flags);
+int sas_notify_phy_event_gfp(struct asd_sas_phy *phy, enum phy_event event,
+ gfp_t gfp_flags);
+
#endif /* _SASLIB_H_ */
--
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