From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/scsi/libsas/sas_init.c | 90 ++++++++++++++++++++-------------------------
1 files changed, 40 insertions(+), 50 deletions(-)
diff --git a/kernel/drivers/scsi/libsas/sas_init.c b/kernel/drivers/scsi/libsas/sas_init.c
index ede0af7..f8ae1f0 100644
--- a/kernel/drivers/scsi/libsas/sas_init.c
+++ b/kernel/drivers/scsi/libsas/sas_init.c
@@ -1,26 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Serial Attached SCSI (SAS) Transport Layer initialization
*
* 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
- *
*/
#include <linux/module.h>
@@ -87,25 +70,27 @@
/*------------ SAS addr hash -----------*/
void sas_hash_addr(u8 *hashed, const u8 *sas_addr)
{
- const u32 poly = 0x00DB2777;
- u32 r = 0;
- int i;
+ const u32 poly = 0x00DB2777;
+ u32 r = 0;
+ int i;
- for (i = 0; i < 8; i++) {
- int b;
- for (b = 7; b >= 0; b--) {
- r <<= 1;
- if ((1 << b) & sas_addr[i]) {
- if (!(r & 0x01000000))
- r ^= poly;
- } else if (r & 0x01000000)
- r ^= poly;
- }
- }
+ for (i = 0; i < SAS_ADDR_SIZE; i++) {
+ int b;
- hashed[0] = (r >> 16) & 0xFF;
- hashed[1] = (r >> 8) & 0xFF ;
- hashed[2] = r & 0xFF;
+ for (b = (SAS_ADDR_SIZE - 1); b >= 0; b--) {
+ r <<= 1;
+ if ((1 << b) & sas_addr[i]) {
+ if (!(r & 0x01000000))
+ r ^= poly;
+ } else if (r & 0x01000000) {
+ r ^= poly;
+ }
+ }
+ }
+
+ hashed[0] = (r >> 16) & 0xFF;
+ hashed[1] = (r >> 8) & 0xFF;
+ hashed[2] = r & 0xFF;
}
int sas_register_ha(struct sas_ha_struct *sas_ha)
@@ -128,20 +113,14 @@
error = sas_register_phys(sas_ha);
if (error) {
- printk(KERN_NOTICE "couldn't register sas phys:%d\n", error);
+ pr_notice("couldn't register sas phys:%d\n", error);
return error;
}
error = sas_register_ports(sas_ha);
if (error) {
- printk(KERN_NOTICE "couldn't register sas ports:%d\n", error);
+ pr_notice("couldn't register sas ports:%d\n", error);
goto Undo_phys;
- }
-
- error = sas_init_events(sas_ha);
- if (error) {
- printk(KERN_NOTICE "couldn't start event thread:%d\n", error);
- goto Undo_ports;
}
error = -ENOMEM;
@@ -605,16 +584,15 @@
}
EXPORT_SYMBOL_GPL(sas_domain_attach_transport);
-
-struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy)
+static struct asd_sas_event *__sas_alloc_event(struct asd_sas_phy *phy,
+ gfp_t gfp_flags)
{
struct asd_sas_event *event;
- gfp_t flags = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
- event = kmem_cache_zalloc(sas_event_cache, flags);
+ event = kmem_cache_zalloc(sas_event_cache, gfp_flags);
if (!event)
return NULL;
@@ -623,9 +601,10 @@
if (atomic_read(&phy->event_nr) > phy->ha->event_thres) {
if (i->dft->lldd_control_phy) {
if (cmpxchg(&phy->in_shutdown, 0, 1) == 0) {
- sas_printk("The phy%02d bursting events, shut it down.\n",
- phy->id);
- sas_notify_phy_event(phy, PHYE_SHUTDOWN);
+ pr_notice("The phy%d bursting events, shut it down.\n",
+ phy->id);
+ sas_notify_phy_event_gfp(phy, PHYE_SHUTDOWN,
+ gfp_flags);
}
} else {
/* Do not support PHY control, stop allocating events */
@@ -639,6 +618,17 @@
return event;
}
+struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy)
+{
+ return __sas_alloc_event(phy, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+struct asd_sas_event *sas_alloc_event_gfp(struct asd_sas_phy *phy,
+ gfp_t gfp_flags)
+{
+ return __sas_alloc_event(phy, gfp_flags);
+}
+
void sas_free_event(struct asd_sas_event *event)
{
struct asd_sas_phy *phy = event->phy;
--
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