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/aacraid/commctrl.c | 92 ++++++++++++++++++++++----------------------- 1 files changed, 45 insertions(+), 47 deletions(-) diff --git a/kernel/drivers/scsi/aacraid/commctrl.c b/kernel/drivers/scsi/aacraid/commctrl.c index 25f6600..1b1da16 100644 --- a/kernel/drivers/scsi/aacraid/commctrl.c +++ b/kernel/drivers/scsi/aacraid/commctrl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Adaptec AAC series RAID controller driver * (c) Copyright 2001 Red Hat Inc. @@ -9,25 +10,10 @@ * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) * - * 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, 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; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * * Module Name: * commctrl.c * * Abstract: Contains all routines for control of the AFA comm layer - * */ #include <linux/kernel.h> @@ -39,14 +25,16 @@ #include <linux/completion.h> #include <linux/dma-mapping.h> #include <linux/blkdev.h> +#include <linux/compat.h> #include <linux/delay.h> /* ssleep prototype */ #include <linux/kthread.h> -#include <linux/semaphore.h> #include <linux/uaccess.h> #include <scsi/scsi_host.h> #include "aacraid.h" +# define AAC_DEBUG_PREAMBLE KERN_INFO +# define AAC_DEBUG_POSTAMBLE /** * ioctl_send_fib - send a FIB from userspace * @dev: adapter is being processed @@ -55,9 +43,6 @@ * This routine sends a fib to the adapter on behalf of a user level * program. */ -# define AAC_DEBUG_PREAMBLE KERN_INFO -# define AAC_DEBUG_POSTAMBLE - static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) { struct hw_fib * kfib; @@ -173,11 +158,12 @@ /** * open_getadapter_fib - Get the next fib + * @dev: adapter is being processed + * @arg: arguments to the open call * * This routine will get the next Fib, if available, from the AdapterFibContext * passed in from the user. */ - static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) { struct aac_fib_context * fibctx; @@ -203,7 +189,7 @@ /* * Initialize the mutex used to wait for the next AIF. */ - sema_init(&fibctx->wait_sem, 0); + init_completion(&fibctx->completion); fibctx->wait = 0; /* * Initialize the fibs and set the count of fibs on @@ -241,6 +227,12 @@ return status; } +struct compat_fib_ioctl { + u32 fibctx; + s32 wait; + compat_uptr_t fib; +}; + /** * next_getadapter_fib - get the next fib * @dev: adapter to use @@ -249,7 +241,6 @@ * This routine will get the next Fib, if available, from the AdapterFibContext * passed in from the user. */ - static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) { struct fib_ioctl f; @@ -259,8 +250,19 @@ struct list_head * entry; unsigned long flags; - if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl))) - return -EFAULT; + if (in_compat_syscall()) { + struct compat_fib_ioctl cf; + + if (copy_from_user(&cf, arg, sizeof(struct compat_fib_ioctl))) + return -EFAULT; + + f.fibctx = cf.fibctx; + f.wait = cf.wait; + f.fib = compat_ptr(cf.fib); + } else { + if (copy_from_user(&f, arg, sizeof(struct fib_ioctl))) + return -EFAULT; + } /* * Verify that the HANDLE passed in was a valid AdapterFibContext * @@ -335,7 +337,7 @@ ssleep(1); } if (f.wait) { - if(down_interruptible(&fibctx->wait_sem) < 0) { + if (wait_for_completion_interruptible(&fibctx->completion) < 0) { status = -ERESTARTSYS; } else { /* Lock again and retry */ @@ -470,11 +472,10 @@ /** - * * aac_send_raw_scb - * + * @dev: adapter is being processed + * @arg: arguments to the send call */ - static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) { struct fib* srbfib; @@ -528,15 +529,10 @@ goto cleanup; } - user_srbcmd = kmalloc(fibsize, GFP_KERNEL); - if (!user_srbcmd) { - dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n")); - rcode = -ENOMEM; - goto cleanup; - } - if(copy_from_user(user_srbcmd, user_srb,fibsize)){ - dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); - rcode = -EFAULT; + user_srbcmd = memdup_user(user_srb, fibsize); + if (IS_ERR(user_srbcmd)) { + rcode = PTR_ERR(user_srbcmd); + user_srbcmd = NULL; goto cleanup; } @@ -692,8 +688,8 @@ goto cleanup; } } - addr = pci_map_single(dev->pdev, p, sg_count[i], - data_dir); + addr = dma_map_single(&dev->pdev->dev, p, sg_count[i], + data_dir); hbacmd->sge[i].addr_hi = cpu_to_le32((u32)(addr>>32)); hbacmd->sge[i].addr_lo = cpu_to_le32( (u32)(addr & 0xffffffff)); @@ -754,8 +750,8 @@ goto cleanup; } } - addr = pci_map_single(dev->pdev, p, - sg_count[i], data_dir); + addr = dma_map_single(&dev->pdev->dev, p, + sg_count[i], data_dir); psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); psg->sg[i].addr[1] = cpu_to_le32(addr>>32); @@ -810,8 +806,8 @@ goto cleanup; } } - addr = pci_map_single(dev->pdev, p, - sg_count[i], data_dir); + addr = dma_map_single(&dev->pdev->dev, p, + sg_count[i], data_dir); psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); psg->sg[i].addr[1] = cpu_to_le32(addr>>32); @@ -866,7 +862,9 @@ goto cleanup; } } - addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir); + addr = dma_map_single(&dev->pdev->dev, p, + usg->sg[i].count, + data_dir); psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff); byte_count += usg->sg[i].count; @@ -905,8 +903,8 @@ goto cleanup; } } - addr = pci_map_single(dev->pdev, p, - sg_count[i], data_dir); + addr = dma_map_single(&dev->pdev->dev, p, + sg_count[i], data_dir); psg->sg[i].addr = cpu_to_le32(addr); byte_count += sg_count[i]; @@ -1061,7 +1059,7 @@ return retval; } -int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) +int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg) { int status; -- Gitblit v1.6.2