![Harvey Harrison](/assets/img/avatar_default.png)
[jejb: fixed up a ton of missed conversions. All of you are on notice this has happened, driver trees will now need to be rebased] Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: SCSI List <linux-scsi@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2971 lines
82 KiB
C
2971 lines
82 KiB
C
/*
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* linux/drivers/message/fusion/mptctl.c
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* mpt Ioctl driver.
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* For use with LSI PCI chip/adapters
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* running LSI Fusion MPT (Message Passing Technology) firmware.
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*
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* Copyright (c) 1999-2008 LSI Corporation
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* (mailto:DL-MPTFusionLinux@lsi.com)
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*
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*/
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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; version 2 of the License.
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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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NO WARRANTY
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THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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solely responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, damage to or loss of data,
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programs or equipment, and unavailability or interruption of operations.
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DISCLAIMER OF LIABILITY
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NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/delay.h> /* for mdelay */
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#include <linux/miscdevice.h>
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#include <linux/smp_lock.h>
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#include <linux/compat.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_tcq.h>
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#define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation"
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#define MODULEAUTHOR "LSI Corporation"
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#include "mptbase.h"
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#include "mptctl.h"
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#define my_NAME "Fusion MPT misc device (ioctl) driver"
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#define my_VERSION MPT_LINUX_VERSION_COMMON
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#define MYNAM "mptctl"
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MODULE_AUTHOR(MODULEAUTHOR);
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MODULE_DESCRIPTION(my_NAME);
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MODULE_LICENSE("GPL");
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MODULE_VERSION(my_VERSION);
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
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static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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struct buflist {
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u8 *kptr;
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int len;
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};
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/*
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* Function prototypes. Called from OS entry point mptctl_ioctl.
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* arg contents specific to function.
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*/
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static int mptctl_fw_download(unsigned long arg);
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static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd);
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static int mptctl_gettargetinfo(unsigned long arg);
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static int mptctl_readtest(unsigned long arg);
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static int mptctl_mpt_command(unsigned long arg);
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static int mptctl_eventquery(unsigned long arg);
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static int mptctl_eventenable(unsigned long arg);
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static int mptctl_eventreport(unsigned long arg);
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static int mptctl_replace_fw(unsigned long arg);
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static int mptctl_do_reset(unsigned long arg);
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static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
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static int mptctl_hp_targetinfo(unsigned long arg);
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static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
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static void mptctl_remove(struct pci_dev *);
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#ifdef CONFIG_COMPAT
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static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
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#endif
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/*
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* Private function calls.
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*/
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static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr);
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static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen);
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static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
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struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
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static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
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struct buflist *buflist, MPT_ADAPTER *ioc);
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static void mptctl_timeout_expired (MPT_IOCTL *ioctl);
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static int mptctl_bus_reset(MPT_IOCTL *ioctl);
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static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd);
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static void mptctl_free_tm_flags(MPT_ADAPTER *ioc);
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/*
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* Reset Handler cleanup function
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*/
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static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
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/*
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* Event Handler function
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*/
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static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
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static struct fasync_struct *async_queue=NULL;
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* Scatter gather list (SGL) sizes and limits...
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*/
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//#define MAX_SCSI_FRAGS 9
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#define MAX_FRAGS_SPILL1 9
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#define MAX_FRAGS_SPILL2 15
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#define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
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//#define MAX_CHAIN_FRAGS 64
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//#define MAX_CHAIN_FRAGS (15+15+15+16)
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#define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
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// Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
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// Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
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// ^----------------- 80 + 512
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#define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
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/* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
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#define MAX_KMALLOC_SZ (128*1024)
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#define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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* mptctl_syscall_down - Down the MPT adapter syscall semaphore.
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* @ioc: Pointer to MPT adapter
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* @nonblock: boolean, non-zero if O_NONBLOCK is set
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*
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* All of the ioctl commands can potentially sleep, which is illegal
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* with a spinlock held, thus we perform mutual exclusion here.
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*
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* Returns negative errno on error, or zero for success.
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*/
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static inline int
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mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
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{
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int rc = 0;
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if (nonblock) {
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if (!mutex_trylock(&ioc->ioctl->ioctl_mutex))
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rc = -EAGAIN;
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} else {
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if (mutex_lock_interruptible(&ioc->ioctl->ioctl_mutex))
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rc = -ERESTARTSYS;
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}
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return rc;
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* This is the callback for any message we have posted. The message itself
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* will be returned to the message pool when we return from the IRQ
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*
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* This runs in irq context so be short and sweet.
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*/
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static int
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mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
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{
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char *sense_data;
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int sz, req_index;
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u16 iocStatus;
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u8 cmd;
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if (req)
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cmd = req->u.hdr.Function;
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else
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return 1;
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tcompleting mpi function (0x%02X), req=%p, "
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"reply=%p\n", ioc->name, req->u.hdr.Function, req, reply));
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if (ioc->ioctl) {
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if (reply==NULL) {
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_reply() NULL Reply "
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"Function=%x!\n", ioc->name, cmd));
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ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
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ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
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/* We are done, issue wake up
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*/
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ioc->ioctl->wait_done = 1;
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wake_up (&mptctl_wait);
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return 1;
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}
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/* Copy the reply frame (which much exist
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* for non-SCSI I/O) to the IOC structure.
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*/
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memcpy(ioc->ioctl->ReplyFrame, reply,
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min(ioc->reply_sz, 4*reply->u.reply.MsgLength));
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ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID;
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/* Set the command status to GOOD if IOC Status is GOOD
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* OR if SCSI I/O cmd and data underrun or recovered error.
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*/
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iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK;
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if (iocStatus == MPI_IOCSTATUS_SUCCESS)
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ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
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if (iocStatus || reply->u.reply.IOCLogInfo)
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tiocstatus (0x%04X), "
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"loginfo (0x%08X)\n", ioc->name,
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iocStatus,
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le32_to_cpu(reply->u.reply.IOCLogInfo)));
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if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
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(cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
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if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState)
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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"\tscsi_status (0x%02x), scsi_state (0x%02x), "
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"tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name,
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reply->u.sreply.SCSIStatus,
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reply->u.sreply.SCSIState,
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le16_to_cpu(reply->u.sreply.TaskTag),
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le32_to_cpu(reply->u.sreply.TransferCount)));
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ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
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if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) ||
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(iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) {
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ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
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}
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}
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/* Copy the sense data - if present
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*/
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if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) &&
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(reply->u.sreply.SCSIState &
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MPI_SCSI_STATE_AUTOSENSE_VALID)){
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sz = req->u.scsireq.SenseBufferLength;
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req_index =
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le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
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sense_data =
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((u8 *)ioc->sense_buf_pool +
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(req_index * MPT_SENSE_BUFFER_ALLOC));
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memcpy(ioc->ioctl->sense, sense_data, sz);
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ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID;
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}
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if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT)
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mptctl_free_tm_flags(ioc);
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/* We are done, issue wake up
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*/
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ioc->ioctl->wait_done = 1;
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wake_up (&mptctl_wait);
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}
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return 1;
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/* mptctl_timeout_expired
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*
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* Expecting an interrupt, however timed out.
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*
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*/
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static void mptctl_timeout_expired (MPT_IOCTL *ioctl)
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{
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int rc = 1;
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dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT ": Timeout Expired! Host %d\n",
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ioctl->ioc->name, ioctl->ioc->id));
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if (ioctl == NULL)
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return;
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ioctl->wait_done = 0;
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if (ioctl->reset & MPTCTL_RESET_OK)
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rc = mptctl_bus_reset(ioctl);
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if (rc) {
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/* Issue a reset for this device.
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* The IOC is not responding.
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*/
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dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
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ioctl->ioc->name));
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mpt_HardResetHandler(ioctl->ioc, CAN_SLEEP);
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}
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return;
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}
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/* mptctl_bus_reset
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*
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* Bus reset code.
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*
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*/
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static int mptctl_bus_reset(MPT_IOCTL *ioctl)
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{
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MPT_FRAME_HDR *mf;
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SCSITaskMgmt_t *pScsiTm;
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MPT_SCSI_HOST *hd;
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int ii;
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int retval=0;
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ioctl->reset &= ~MPTCTL_RESET_OK;
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if (ioctl->ioc->sh == NULL)
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return -EPERM;
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hd = shost_priv(ioctl->ioc->sh);
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if (hd == NULL)
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return -EPERM;
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/* Single threading ....
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*/
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if (mptctl_set_tm_flags(hd) != 0)
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return -EPERM;
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/* Send request
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*/
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if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) {
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dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt, no msg frames!!\n",
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ioctl->ioc->name));
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mptctl_free_tm_flags(ioctl->ioc);
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return -ENOMEM;
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}
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dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n",
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ioctl->ioc->name, mf));
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pScsiTm = (SCSITaskMgmt_t *) mf;
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pScsiTm->TargetID = ioctl->id;
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pScsiTm->Bus = hd->port; /* 0 */
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pScsiTm->ChainOffset = 0;
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pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
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pScsiTm->Reserved = 0;
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pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS;
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pScsiTm->Reserved1 = 0;
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pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
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for (ii= 0; ii < 8; ii++)
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pScsiTm->LUN[ii] = 0;
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for (ii=0; ii < 7; ii++)
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pScsiTm->Reserved2[ii] = 0;
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pScsiTm->TaskMsgContext = 0;
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dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT
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"mptctl_bus_reset: issued.\n", ioctl->ioc->name));
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DBG_DUMP_TM_REQUEST_FRAME(ioctl->ioc, (u32 *)mf);
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ioctl->wait_done=0;
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if ((ioctl->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
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(ioctl->ioc->facts.MsgVersion >= MPI_VERSION_01_05))
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mpt_put_msg_frame_hi_pri(mptctl_id, ioctl->ioc, mf);
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else {
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retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc,
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sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
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if (retval != 0) {
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dfailprintk(ioctl->ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!"
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" (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
|
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hd->ioc, mf));
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goto mptctl_bus_reset_done;
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}
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}
|
|
|
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/* Now wait for the command to complete */
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ii = wait_event_timeout(mptctl_wait,
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ioctl->wait_done == 1,
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HZ*5 /* 5 second timeout */);
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if(ii <=0 && (ioctl->wait_done != 1 )) {
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mpt_free_msg_frame(hd->ioc, mf);
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ioctl->wait_done = 0;
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retval = -1; /* return failure */
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}
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mptctl_bus_reset_done:
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|
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mptctl_free_tm_flags(ioctl->ioc);
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return retval;
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}
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|
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static int
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mptctl_set_tm_flags(MPT_SCSI_HOST *hd) {
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unsigned long flags;
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spin_lock_irqsave(&hd->ioc->FreeQlock, flags);
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if (hd->tmState == TM_STATE_NONE) {
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hd->tmState = TM_STATE_IN_PROGRESS;
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hd->tmPending = 1;
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spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
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} else {
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spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
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return -EBUSY;
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}
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return 0;
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}
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|
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static void
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mptctl_free_tm_flags(MPT_ADAPTER *ioc)
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{
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MPT_SCSI_HOST * hd;
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unsigned long flags;
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|
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hd = shost_priv(ioc->sh);
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if (hd == NULL)
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return;
|
|
|
|
spin_lock_irqsave(&ioc->FreeQlock, flags);
|
|
|
|
hd->tmState = TM_STATE_NONE;
|
|
hd->tmPending = 0;
|
|
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
|
|
|
|
return;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* mptctl_ioc_reset
|
|
*
|
|
* Clean-up functionality. Used only if there has been a
|
|
* reload of the FW due.
|
|
*
|
|
*/
|
|
static int
|
|
mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
|
|
{
|
|
MPT_IOCTL *ioctl = ioc->ioctl;
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC %s_reset routed to IOCTL driver!\n", ioc->name,
|
|
reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
|
|
reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
|
|
|
|
if(ioctl == NULL)
|
|
return 1;
|
|
|
|
switch(reset_phase) {
|
|
case MPT_IOC_SETUP_RESET:
|
|
ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET;
|
|
break;
|
|
case MPT_IOC_POST_RESET:
|
|
ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET;
|
|
break;
|
|
case MPT_IOC_PRE_RESET:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* ASYNC Event Notification Support */
|
|
static int
|
|
mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
|
|
{
|
|
u8 event;
|
|
|
|
event = le32_to_cpu(pEvReply->Event) & 0xFF;
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n",
|
|
ioc->name, __func__));
|
|
if(async_queue == NULL)
|
|
return 1;
|
|
|
|
/* Raise SIGIO for persistent events.
|
|
* TODO - this define is not in MPI spec yet,
|
|
* but they plan to set it to 0x21
|
|
*/
|
|
if (event == 0x21 ) {
|
|
ioc->aen_event_read_flag=1;
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n",
|
|
ioc->name));
|
|
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
|
|
"Raised SIGIO to application\n", ioc->name));
|
|
kill_fasync(&async_queue, SIGIO, POLL_IN);
|
|
return 1;
|
|
}
|
|
|
|
/* This flag is set after SIGIO was raised, and
|
|
* remains set until the application has read
|
|
* the event log via ioctl=MPTEVENTREPORT
|
|
*/
|
|
if(ioc->aen_event_read_flag)
|
|
return 1;
|
|
|
|
/* Signal only for the events that are
|
|
* requested for by the application
|
|
*/
|
|
if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
|
|
ioc->aen_event_read_flag=1;
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
|
|
"Raised SIGIO to application\n", ioc->name));
|
|
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
|
|
"Raised SIGIO to application\n", ioc->name));
|
|
kill_fasync(&async_queue, SIGIO, POLL_IN);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
mptctl_fasync(int fd, struct file *filep, int mode)
|
|
{
|
|
MPT_ADAPTER *ioc;
|
|
int ret;
|
|
|
|
lock_kernel();
|
|
list_for_each_entry(ioc, &ioc_list, list)
|
|
ioc->aen_event_read_flag=0;
|
|
|
|
ret = fasync_helper(fd, filep, mode, &async_queue);
|
|
unlock_kernel();
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
mptctl_release(struct inode *inode, struct file *filep)
|
|
{
|
|
return fasync_helper(-1, filep, 0, &async_queue);
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* MPT ioctl handler
|
|
* cmd - specify the particular IOCTL command to be issued
|
|
* arg - data specific to the command. Must not be null.
|
|
*/
|
|
static long
|
|
__mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|
{
|
|
mpt_ioctl_header __user *uhdr = (void __user *) arg;
|
|
mpt_ioctl_header khdr;
|
|
int iocnum;
|
|
unsigned iocnumX;
|
|
int nonblock = (file->f_flags & O_NONBLOCK);
|
|
int ret;
|
|
MPT_ADAPTER *iocp = NULL;
|
|
|
|
if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
|
|
printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - "
|
|
"Unable to copy mpt_ioctl_header data @ %p\n",
|
|
__FILE__, __LINE__, uhdr);
|
|
return -EFAULT;
|
|
}
|
|
ret = -ENXIO; /* (-6) No such device or address */
|
|
|
|
/* Verify intended MPT adapter - set iocnum and the adapter
|
|
* pointer (iocp)
|
|
*/
|
|
iocnumX = khdr.iocnum & 0xFF;
|
|
if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
|
|
(iocp == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnumX);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!iocp->active) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n",
|
|
__FILE__, __LINE__);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* Handle those commands that are just returning
|
|
* information stored in the driver.
|
|
* These commands should never time out and are unaffected
|
|
* by TM and FW reloads.
|
|
*/
|
|
if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
|
|
return mptctl_getiocinfo(arg, _IOC_SIZE(cmd));
|
|
} else if (cmd == MPTTARGETINFO) {
|
|
return mptctl_gettargetinfo(arg);
|
|
} else if (cmd == MPTTEST) {
|
|
return mptctl_readtest(arg);
|
|
} else if (cmd == MPTEVENTQUERY) {
|
|
return mptctl_eventquery(arg);
|
|
} else if (cmd == MPTEVENTENABLE) {
|
|
return mptctl_eventenable(arg);
|
|
} else if (cmd == MPTEVENTREPORT) {
|
|
return mptctl_eventreport(arg);
|
|
} else if (cmd == MPTFWREPLACE) {
|
|
return mptctl_replace_fw(arg);
|
|
}
|
|
|
|
/* All of these commands require an interrupt or
|
|
* are unknown/illegal.
|
|
*/
|
|
if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
|
|
return ret;
|
|
|
|
if (cmd == MPTFWDOWNLOAD)
|
|
ret = mptctl_fw_download(arg);
|
|
else if (cmd == MPTCOMMAND)
|
|
ret = mptctl_mpt_command(arg);
|
|
else if (cmd == MPTHARDRESET)
|
|
ret = mptctl_do_reset(arg);
|
|
else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
|
|
ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd));
|
|
else if (cmd == HP_GETTARGETINFO)
|
|
ret = mptctl_hp_targetinfo(arg);
|
|
else
|
|
ret = -EINVAL;
|
|
|
|
mutex_unlock(&iocp->ioctl->ioctl_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static long
|
|
mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|
{
|
|
long ret;
|
|
lock_kernel();
|
|
ret = __mptctl_ioctl(file, cmd, arg);
|
|
unlock_kernel();
|
|
return ret;
|
|
}
|
|
|
|
static int mptctl_do_reset(unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
|
|
struct mpt_ioctl_diag_reset krinfo;
|
|
MPT_ADAPTER *iocp;
|
|
|
|
if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - "
|
|
"Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
|
|
__FILE__, __LINE__, urinfo);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) {
|
|
printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n",
|
|
__FILE__, __LINE__, krinfo.hdr.iocnum);
|
|
return -ENODEV; /* (-6) No such device or address */
|
|
}
|
|
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n",
|
|
iocp->name));
|
|
|
|
if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
|
|
printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n",
|
|
iocp->name, __FILE__, __LINE__);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
|
|
* This structure contains: iocnum, firmware length (bytes),
|
|
* pointer to user space memory where the fw image is stored.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENXIO if no such device
|
|
* -EAGAIN if resource problem
|
|
* -ENOMEM if no memory for SGE
|
|
* -EMLINK if too many chain buffers required
|
|
* -EBADRQC if adapter does not support FW download
|
|
* -EBUSY if adapter is busy
|
|
* -ENOMSG if FW upload returned bad status
|
|
*/
|
|
static int
|
|
mptctl_fw_download(unsigned long arg)
|
|
{
|
|
struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
|
|
struct mpt_fw_xfer kfwdl;
|
|
|
|
if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - "
|
|
"Unable to copy mpt_fw_xfer struct @ %p\n",
|
|
__FILE__, __LINE__, ufwdl);
|
|
return -EFAULT;
|
|
}
|
|
|
|
return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen);
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* FW Download engine.
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENXIO if no such device
|
|
* -EAGAIN if resource problem
|
|
* -ENOMEM if no memory for SGE
|
|
* -EMLINK if too many chain buffers required
|
|
* -EBADRQC if adapter does not support FW download
|
|
* -EBUSY if adapter is busy
|
|
* -ENOMSG if FW upload returned bad status
|
|
*/
|
|
static int
|
|
mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
|
|
{
|
|
FWDownload_t *dlmsg;
|
|
MPT_FRAME_HDR *mf;
|
|
MPT_ADAPTER *iocp;
|
|
FWDownloadTCSGE_t *ptsge;
|
|
MptSge_t *sgl, *sgIn;
|
|
char *sgOut;
|
|
struct buflist *buflist;
|
|
struct buflist *bl;
|
|
dma_addr_t sgl_dma;
|
|
int ret;
|
|
int numfrags = 0;
|
|
int maxfrags;
|
|
int n = 0;
|
|
u32 sgdir;
|
|
u32 nib;
|
|
int fw_bytes_copied = 0;
|
|
int i;
|
|
int sge_offset = 0;
|
|
u16 iocstat;
|
|
pFWDownloadReply_t ReplyMsg = NULL;
|
|
|
|
if (mpt_verify_adapter(ioc, &iocp) < 0) {
|
|
printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n",
|
|
ioc);
|
|
return -ENODEV; /* (-6) No such device or address */
|
|
} else {
|
|
|
|
/* Valid device. Get a message frame and construct the FW download message.
|
|
*/
|
|
if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
|
|
return -EAGAIN;
|
|
}
|
|
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT
|
|
"mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id));
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n",
|
|
iocp->name, ufwbuf));
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n",
|
|
iocp->name, (int)fwlen));
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n",
|
|
iocp->name, ioc));
|
|
|
|
dlmsg = (FWDownload_t*) mf;
|
|
ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
|
|
sgOut = (char *) (ptsge + 1);
|
|
|
|
/*
|
|
* Construct f/w download request
|
|
*/
|
|
dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
|
|
dlmsg->Reserved = 0;
|
|
dlmsg->ChainOffset = 0;
|
|
dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
|
|
dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
|
|
if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
|
|
dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
|
|
else
|
|
dlmsg->MsgFlags = 0;
|
|
|
|
|
|
/* Set up the Transaction SGE.
|
|
*/
|
|
ptsge->Reserved = 0;
|
|
ptsge->ContextSize = 0;
|
|
ptsge->DetailsLength = 12;
|
|
ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
|
|
ptsge->Reserved_0100_Checksum = 0;
|
|
ptsge->ImageOffset = 0;
|
|
ptsge->ImageSize = cpu_to_le32(fwlen);
|
|
|
|
/* Add the SGL
|
|
*/
|
|
|
|
/*
|
|
* Need to kmalloc area(s) for holding firmware image bytes.
|
|
* But we need to do it piece meal, using a proper
|
|
* scatter gather list (with 128kB MAX hunks).
|
|
*
|
|
* A practical limit here might be # of sg hunks that fit into
|
|
* a single IOC request frame; 12 or 8 (see below), so:
|
|
* For FC9xx: 12 x 128kB == 1.5 mB (max)
|
|
* For C1030: 8 x 128kB == 1 mB (max)
|
|
* We could support chaining, but things get ugly(ier:)
|
|
*
|
|
* Set the sge_offset to the start of the sgl (bytes).
|
|
*/
|
|
sgdir = 0x04000000; /* IOC will READ from sys mem */
|
|
sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
|
|
if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
|
|
&numfrags, &buflist, &sgl_dma, iocp)) == NULL)
|
|
return -ENOMEM;
|
|
|
|
/*
|
|
* We should only need SGL with 2 simple_32bit entries (up to 256 kB)
|
|
* for FC9xx f/w image, but calculate max number of sge hunks
|
|
* we can fit into a request frame, and limit ourselves to that.
|
|
* (currently no chain support)
|
|
* maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
|
|
* Request maxfrags
|
|
* 128 12
|
|
* 96 8
|
|
* 64 4
|
|
*/
|
|
maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t))
|
|
/ (sizeof(dma_addr_t) + sizeof(u32));
|
|
if (numfrags > maxfrags) {
|
|
ret = -EMLINK;
|
|
goto fwdl_out;
|
|
}
|
|
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n",
|
|
iocp->name, sgl, numfrags));
|
|
|
|
/*
|
|
* Parse SG list, copying sgl itself,
|
|
* plus f/w image hunks from user space as we go...
|
|
*/
|
|
ret = -EFAULT;
|
|
sgIn = sgl;
|
|
bl = buflist;
|
|
for (i=0; i < numfrags; i++) {
|
|
|
|
/* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
|
|
* Skip everything but Simple. If simple, copy from
|
|
* user space into kernel space.
|
|
* Note: we should not have anything but Simple as
|
|
* Chain SGE are illegal.
|
|
*/
|
|
nib = (sgIn->FlagsLength & 0x30000000) >> 28;
|
|
if (nib == 0 || nib == 3) {
|
|
;
|
|
} else if (sgIn->Address) {
|
|
mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
|
|
n++;
|
|
if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - "
|
|
"Unable to copy f/w buffer hunk#%d @ %p\n",
|
|
iocp->name, __FILE__, __LINE__, n, ufwbuf);
|
|
goto fwdl_out;
|
|
}
|
|
fw_bytes_copied += bl->len;
|
|
}
|
|
sgIn++;
|
|
bl++;
|
|
sgOut += (sizeof(dma_addr_t) + sizeof(u32));
|
|
}
|
|
|
|
DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags);
|
|
|
|
/*
|
|
* Finally, perform firmware download.
|
|
*/
|
|
ReplyMsg = NULL;
|
|
mpt_put_msg_frame(mptctl_id, iocp, mf);
|
|
|
|
/* Now wait for the command to complete */
|
|
ret = wait_event_timeout(mptctl_wait,
|
|
iocp->ioctl->wait_done == 1,
|
|
HZ*60);
|
|
|
|
if(ret <=0 && (iocp->ioctl->wait_done != 1 )) {
|
|
/* Now we need to reset the board */
|
|
mptctl_timeout_expired(iocp->ioctl);
|
|
ret = -ENODATA;
|
|
goto fwdl_out;
|
|
}
|
|
|
|
if (sgl)
|
|
kfree_sgl(sgl, sgl_dma, buflist, iocp);
|
|
|
|
ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame;
|
|
iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
|
|
if (iocstat == MPI_IOCSTATUS_SUCCESS) {
|
|
printk(MYIOC_s_INFO_FMT "F/W update successfull!\n", iocp->name);
|
|
return 0;
|
|
} else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
|
|
printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n",
|
|
iocp->name);
|
|
printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n",
|
|
iocp->name);
|
|
return -EBADRQC;
|
|
} else if (iocstat == MPI_IOCSTATUS_BUSY) {
|
|
printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name);
|
|
printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name);
|
|
return -EBUSY;
|
|
} else {
|
|
printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n",
|
|
iocp->name, iocstat);
|
|
printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name);
|
|
return -ENOMSG;
|
|
}
|
|
return 0;
|
|
|
|
fwdl_out:
|
|
kfree_sgl(sgl, sgl_dma, buflist, iocp);
|
|
return ret;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* SGE Allocation routine
|
|
*
|
|
* Inputs: bytes - number of bytes to be transferred
|
|
* sgdir - data direction
|
|
* sge_offset - offset (in bytes) from the start of the request
|
|
* frame to the first SGE
|
|
* ioc - pointer to the mptadapter
|
|
* Outputs: frags - number of scatter gather elements
|
|
* blp - point to the buflist pointer
|
|
* sglbuf_dma - pointer to the (dma) sgl
|
|
* Returns: Null if failes
|
|
* pointer to the (virtual) sgl if successful.
|
|
*/
|
|
static MptSge_t *
|
|
kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
|
|
struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
|
|
{
|
|
MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
|
|
/* and chain buffers */
|
|
struct buflist *buflist = NULL; /* kernel routine */
|
|
MptSge_t *sgl;
|
|
int numfrags = 0;
|
|
int fragcnt = 0;
|
|
int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
|
|
int bytes_allocd = 0;
|
|
int this_alloc;
|
|
dma_addr_t pa; // phys addr
|
|
int i, buflist_ent;
|
|
int sg_spill = MAX_FRAGS_SPILL1;
|
|
int dir;
|
|
/* initialization */
|
|
*frags = 0;
|
|
*blp = NULL;
|
|
|
|
/* Allocate and initialize an array of kernel
|
|
* structures for the SG elements.
|
|
*/
|
|
i = MAX_SGL_BYTES / 8;
|
|
buflist = kzalloc(i, GFP_USER);
|
|
if (!buflist)
|
|
return NULL;
|
|
buflist_ent = 0;
|
|
|
|
/* Allocate a single block of memory to store the sg elements and
|
|
* the chain buffers. The calling routine is responsible for
|
|
* copying the data in this array into the correct place in the
|
|
* request and chain buffers.
|
|
*/
|
|
sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
|
|
if (sglbuf == NULL)
|
|
goto free_and_fail;
|
|
|
|
if (sgdir & 0x04000000)
|
|
dir = PCI_DMA_TODEVICE;
|
|
else
|
|
dir = PCI_DMA_FROMDEVICE;
|
|
|
|
/* At start:
|
|
* sgl = sglbuf = point to beginning of sg buffer
|
|
* buflist_ent = 0 = first kernel structure
|
|
* sg_spill = number of SGE that can be written before the first
|
|
* chain element.
|
|
*
|
|
*/
|
|
sgl = sglbuf;
|
|
sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1;
|
|
while (bytes_allocd < bytes) {
|
|
this_alloc = min(alloc_sz, bytes-bytes_allocd);
|
|
buflist[buflist_ent].len = this_alloc;
|
|
buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
|
|
this_alloc,
|
|
&pa);
|
|
if (buflist[buflist_ent].kptr == NULL) {
|
|
alloc_sz = alloc_sz / 2;
|
|
if (alloc_sz == 0) {
|
|
printk(MYIOC_s_WARN_FMT "-SG: No can do - "
|
|
"not enough memory! :-(\n", ioc->name);
|
|
printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
|
|
ioc->name, numfrags);
|
|
goto free_and_fail;
|
|
}
|
|
continue;
|
|
} else {
|
|
dma_addr_t dma_addr;
|
|
|
|
bytes_allocd += this_alloc;
|
|
sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc);
|
|
dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir);
|
|
sgl->Address = dma_addr;
|
|
|
|
fragcnt++;
|
|
numfrags++;
|
|
sgl++;
|
|
buflist_ent++;
|
|
}
|
|
|
|
if (bytes_allocd >= bytes)
|
|
break;
|
|
|
|
/* Need to chain? */
|
|
if (fragcnt == sg_spill) {
|
|
printk(MYIOC_s_WARN_FMT
|
|
"-SG: No can do - " "Chain required! :-(\n", ioc->name);
|
|
printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags);
|
|
goto free_and_fail;
|
|
}
|
|
|
|
/* overflow check... */
|
|
if (numfrags*8 > MAX_SGL_BYTES){
|
|
/* GRRRRR... */
|
|
printk(MYIOC_s_WARN_FMT "-SG: No can do - "
|
|
"too many SG frags! :-(\n", ioc->name);
|
|
printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
|
|
ioc->name, numfrags);
|
|
goto free_and_fail;
|
|
}
|
|
}
|
|
|
|
/* Last sge fixup: set LE+eol+eob bits */
|
|
sgl[-1].FlagsLength |= 0xC1000000;
|
|
|
|
*frags = numfrags;
|
|
*blp = buflist;
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
|
|
"%d SG frags generated!\n", ioc->name, numfrags));
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
|
|
"last (big) alloc_sz=%d\n", ioc->name, alloc_sz));
|
|
|
|
return sglbuf;
|
|
|
|
free_and_fail:
|
|
if (sglbuf != NULL) {
|
|
for (i = 0; i < numfrags; i++) {
|
|
dma_addr_t dma_addr;
|
|
u8 *kptr;
|
|
int len;
|
|
|
|
if ((sglbuf[i].FlagsLength >> 24) == 0x30)
|
|
continue;
|
|
|
|
dma_addr = sglbuf[i].Address;
|
|
kptr = buflist[i].kptr;
|
|
len = buflist[i].len;
|
|
|
|
pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
|
|
}
|
|
pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
|
|
}
|
|
kfree(buflist);
|
|
return NULL;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* Routine to free the SGL elements.
|
|
*/
|
|
static void
|
|
kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
|
|
{
|
|
MptSge_t *sg = sgl;
|
|
struct buflist *bl = buflist;
|
|
u32 nib;
|
|
int dir;
|
|
int n = 0;
|
|
|
|
if (sg->FlagsLength & 0x04000000)
|
|
dir = PCI_DMA_TODEVICE;
|
|
else
|
|
dir = PCI_DMA_FROMDEVICE;
|
|
|
|
nib = (sg->FlagsLength & 0xF0000000) >> 28;
|
|
while (! (nib & 0x4)) { /* eob */
|
|
/* skip ignore/chain. */
|
|
if (nib == 0 || nib == 3) {
|
|
;
|
|
} else if (sg->Address) {
|
|
dma_addr_t dma_addr;
|
|
void *kptr;
|
|
int len;
|
|
|
|
dma_addr = sg->Address;
|
|
kptr = bl->kptr;
|
|
len = bl->len;
|
|
pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
|
|
pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
|
|
n++;
|
|
}
|
|
sg++;
|
|
bl++;
|
|
nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
|
|
}
|
|
|
|
/* we're at eob! */
|
|
if (sg->Address) {
|
|
dma_addr_t dma_addr;
|
|
void *kptr;
|
|
int len;
|
|
|
|
dma_addr = sg->Address;
|
|
kptr = bl->kptr;
|
|
len = bl->len;
|
|
pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
|
|
pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
|
|
n++;
|
|
}
|
|
|
|
pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
|
|
kfree(buflist);
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n",
|
|
ioc->name, n));
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* mptctl_getiocinfo - Query the host adapter for IOC information.
|
|
* @arg: User space argument
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
*/
|
|
static int
|
|
mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
|
|
{
|
|
struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_iocinfo *karg;
|
|
MPT_ADAPTER *ioc;
|
|
struct pci_dev *pdev;
|
|
int iocnum;
|
|
unsigned int port;
|
|
int cim_rev;
|
|
u8 revision;
|
|
struct scsi_device *sdev;
|
|
VirtDevice *vdevice;
|
|
|
|
/* Add of PCI INFO results in unaligned access for
|
|
* IA64 and Sparc. Reset long to int. Return no PCI
|
|
* data for obsolete format.
|
|
*/
|
|
if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
|
|
cim_rev = 0;
|
|
else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
|
|
cim_rev = 1;
|
|
else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
|
|
cim_rev = 2;
|
|
else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
|
|
cim_rev = 0; /* obsolete */
|
|
else
|
|
return -EFAULT;
|
|
|
|
karg = kmalloc(data_size, GFP_KERNEL);
|
|
if (karg == NULL) {
|
|
printk(KERN_ERR MYNAM "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n",
|
|
__FILE__, __LINE__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (copy_from_user(karg, uarg, data_size)) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_getiocinfo - "
|
|
"Unable to read in mpt_ioctl_iocinfo struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
kfree(karg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
kfree(karg);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Verify the data transfer size is correct. */
|
|
if (karg->hdr.maxDataSize != data_size) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
|
|
"Structure size mismatch. Command not completed.\n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
kfree(karg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n",
|
|
ioc->name));
|
|
|
|
/* Fill in the data and return the structure to the calling
|
|
* program
|
|
*/
|
|
if (ioc->bus_type == SAS)
|
|
karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
|
|
else if (ioc->bus_type == FC)
|
|
karg->adapterType = MPT_IOCTL_INTERFACE_FC;
|
|
else
|
|
karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
|
|
|
|
if (karg->hdr.port > 1)
|
|
return -EINVAL;
|
|
port = karg->hdr.port;
|
|
|
|
karg->port = port;
|
|
pdev = (struct pci_dev *) ioc->pcidev;
|
|
|
|
karg->pciId = pdev->device;
|
|
pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
|
|
karg->hwRev = revision;
|
|
karg->subSystemDevice = pdev->subsystem_device;
|
|
karg->subSystemVendor = pdev->subsystem_vendor;
|
|
|
|
if (cim_rev == 1) {
|
|
/* Get the PCI bus, device, and function numbers for the IOC
|
|
*/
|
|
karg->pciInfo.u.bits.busNumber = pdev->bus->number;
|
|
karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
|
|
karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
|
|
} else if (cim_rev == 2) {
|
|
/* Get the PCI bus, device, function and segment ID numbers
|
|
for the IOC */
|
|
karg->pciInfo.u.bits.busNumber = pdev->bus->number;
|
|
karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
|
|
karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
|
|
karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
|
|
}
|
|
|
|
/* Get number of devices
|
|
*/
|
|
karg->numDevices = 0;
|
|
if (ioc->sh) {
|
|
shost_for_each_device(sdev, ioc->sh) {
|
|
vdevice = sdev->hostdata;
|
|
if (vdevice->vtarget->tflags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT)
|
|
continue;
|
|
karg->numDevices++;
|
|
}
|
|
}
|
|
|
|
/* Set the BIOS and FW Version
|
|
*/
|
|
karg->FWVersion = ioc->facts.FWVersion.Word;
|
|
karg->BIOSVersion = ioc->biosVersion;
|
|
|
|
/* Set the Version Strings.
|
|
*/
|
|
strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
|
|
karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
|
|
|
|
karg->busChangeEvent = 0;
|
|
karg->hostId = ioc->pfacts[port].PortSCSIID;
|
|
karg->rsvd[0] = karg->rsvd[1] = 0;
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, karg, data_size)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
|
|
"Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
kfree(karg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
kfree(karg);
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* mptctl_gettargetinfo - Query the host adapter for target information.
|
|
* @arg: User space argument
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
*/
|
|
static int
|
|
mptctl_gettargetinfo (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_targetinfo karg;
|
|
MPT_ADAPTER *ioc;
|
|
VirtDevice *vdevice;
|
|
char *pmem;
|
|
int *pdata;
|
|
int iocnum;
|
|
int numDevices = 0;
|
|
int lun;
|
|
int maxWordsLeft;
|
|
int numBytes;
|
|
u8 port;
|
|
struct scsi_device *sdev;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - "
|
|
"Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n",
|
|
ioc->name));
|
|
/* Get the port number and set the maximum number of bytes
|
|
* in the returned structure.
|
|
* Ignore the port setting.
|
|
*/
|
|
numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
|
|
maxWordsLeft = numBytes/sizeof(int);
|
|
port = karg.hdr.port;
|
|
|
|
if (maxWordsLeft <= 0) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Fill in the data and return the structure to the calling
|
|
* program
|
|
*/
|
|
|
|
/* struct mpt_ioctl_targetinfo does not contain sufficient space
|
|
* for the target structures so when the IOCTL is called, there is
|
|
* not sufficient stack space for the structure. Allocate memory,
|
|
* populate the memory, copy back to the user, then free memory.
|
|
* targetInfo format:
|
|
* bits 31-24: reserved
|
|
* 23-16: LUN
|
|
* 15- 8: Bus Number
|
|
* 7- 0: Target ID
|
|
*/
|
|
pmem = kzalloc(numBytes, GFP_KERNEL);
|
|
if (!pmem) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
return -ENOMEM;
|
|
}
|
|
pdata = (int *) pmem;
|
|
|
|
/* Get number of devices
|
|
*/
|
|
if (ioc->sh){
|
|
shost_for_each_device(sdev, ioc->sh) {
|
|
if (!maxWordsLeft)
|
|
continue;
|
|
vdevice = sdev->hostdata;
|
|
if (vdevice->vtarget->tflags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT)
|
|
continue;
|
|
lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun;
|
|
*pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) +
|
|
(vdevice->vtarget->id ));
|
|
pdata++;
|
|
numDevices++;
|
|
--maxWordsLeft;
|
|
}
|
|
}
|
|
karg.numDevices = numDevices;
|
|
|
|
/* Copy part of the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, &karg,
|
|
sizeof(struct mpt_ioctl_targetinfo))) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
|
|
"Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
kfree(pmem);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* Copy the remaining data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
|
|
"Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, pdata);
|
|
kfree(pmem);
|
|
return -EFAULT;
|
|
}
|
|
|
|
kfree(pmem);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* MPT IOCTL Test function.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
*/
|
|
static int
|
|
mptctl_readtest (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_test __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_test karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - "
|
|
"Unable to read in mpt_ioctl_test struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n",
|
|
ioc->name));
|
|
/* Fill in the data and return the structure to the calling
|
|
* program
|
|
*/
|
|
|
|
#ifdef MFCNT
|
|
karg.chip_type = ioc->mfcnt;
|
|
#else
|
|
karg.chip_type = ioc->pcidev->device;
|
|
#endif
|
|
strncpy (karg.name, ioc->name, MPT_MAX_NAME);
|
|
karg.name[MPT_MAX_NAME-1]='\0';
|
|
strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
|
|
karg.product[MPT_PRODUCT_LENGTH-1]='\0';
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - "
|
|
"Unable to write out mpt_ioctl_test struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* mptctl_eventquery - Query the host adapter for the event types
|
|
* that are being logged.
|
|
* @arg: User space argument
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
*/
|
|
static int
|
|
mptctl_eventquery (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_eventquery karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - "
|
|
"Unable to read in mpt_ioctl_eventquery struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n",
|
|
ioc->name));
|
|
karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
|
|
karg.eventTypes = ioc->eventTypes;
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - "
|
|
"Unable to write out mpt_ioctl_eventquery struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
static int
|
|
mptctl_eventenable (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_eventenable karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - "
|
|
"Unable to read in mpt_ioctl_eventenable struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n",
|
|
ioc->name));
|
|
if (ioc->events == NULL) {
|
|
/* Have not yet allocated memory - do so now.
|
|
*/
|
|
int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
|
|
ioc->events = kzalloc(sz, GFP_KERNEL);
|
|
if (!ioc->events) {
|
|
printk(MYIOC_s_ERR_FMT
|
|
": ERROR - Insufficient memory to add adapter!\n",
|
|
ioc->name);
|
|
return -ENOMEM;
|
|
}
|
|
ioc->alloc_total += sz;
|
|
|
|
ioc->eventContext = 0;
|
|
}
|
|
|
|
/* Update the IOC event logging flag.
|
|
*/
|
|
ioc->eventTypes = karg.eventTypes;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
static int
|
|
mptctl_eventreport (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_eventreport karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
int numBytes, maxEvents, max;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - "
|
|
"Unable to read in mpt_ioctl_eventreport struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n",
|
|
ioc->name));
|
|
|
|
numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
|
|
maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
|
|
|
|
|
|
max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
|
|
|
|
/* If fewer than 1 event is requested, there must have
|
|
* been some type of error.
|
|
*/
|
|
if ((max < 1) || !ioc->events)
|
|
return -ENODATA;
|
|
|
|
/* reset this flag so SIGIO can restart */
|
|
ioc->aen_event_read_flag=0;
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
numBytes = max * sizeof(MPT_IOCTL_EVENTS);
|
|
if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - "
|
|
"Unable to write out mpt_ioctl_eventreport struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, ioc->events);
|
|
return -EFAULT;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
static int
|
|
mptctl_replace_fw (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_replace_fw karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
int newFwSize;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - "
|
|
"Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n",
|
|
ioc->name));
|
|
/* If caching FW, Free the old FW image
|
|
*/
|
|
if (ioc->cached_fw == NULL)
|
|
return 0;
|
|
|
|
mpt_free_fw_memory(ioc);
|
|
|
|
/* Allocate memory for the new FW image
|
|
*/
|
|
newFwSize = karg.newImageSize;
|
|
|
|
if (newFwSize & 0x01)
|
|
newFwSize += 1;
|
|
if (newFwSize & 0x02)
|
|
newFwSize += 2;
|
|
|
|
mpt_alloc_fw_memory(ioc, newFwSize);
|
|
if (ioc->cached_fw == NULL)
|
|
return -ENOMEM;
|
|
|
|
/* Copy the data from user memory to kernel space
|
|
*/
|
|
if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - "
|
|
"Unable to read in mpt_ioctl_replace_fw image "
|
|
"@ %p\n", ioc->name, __FILE__, __LINE__, uarg);
|
|
mpt_free_fw_memory(ioc);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* Update IOCFactsReply
|
|
*/
|
|
ioc->facts.FWImageSize = newFwSize;
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* MPT IOCTL MPTCOMMAND function.
|
|
* Cast the arg into the mpt_ioctl_mpt_command structure.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EBUSY if previous command timeout and IOC reset is not complete.
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
* -ETIME if timer expires
|
|
* -ENOMEM if memory allocation error
|
|
*/
|
|
static int
|
|
mptctl_mpt_command (unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_command __user *uarg = (void __user *) arg;
|
|
struct mpt_ioctl_command karg;
|
|
MPT_ADAPTER *ioc;
|
|
int iocnum;
|
|
int rc;
|
|
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - "
|
|
"Unable to read in mpt_ioctl_command struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
rc = mptctl_do_mpt_command (karg, &uarg->MF);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EBUSY if previous command timeout and IOC reset is not complete.
|
|
* -EFAULT if data unavailable
|
|
* -ENODEV if no such device/adapter
|
|
* -ETIME if timer expires
|
|
* -ENOMEM if memory allocation error
|
|
* -EPERM if SCSI I/O and target is untagged
|
|
*/
|
|
static int
|
|
mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
|
|
{
|
|
MPT_ADAPTER *ioc;
|
|
MPT_FRAME_HDR *mf = NULL;
|
|
MPIHeader_t *hdr;
|
|
char *psge;
|
|
struct buflist bufIn; /* data In buffer */
|
|
struct buflist bufOut; /* data Out buffer */
|
|
dma_addr_t dma_addr_in;
|
|
dma_addr_t dma_addr_out;
|
|
int sgSize = 0; /* Num SG elements */
|
|
int iocnum, flagsLength;
|
|
int sz, rc = 0;
|
|
int msgContext;
|
|
u16 req_idx;
|
|
ulong timeout;
|
|
struct scsi_device *sdev;
|
|
|
|
/* bufIn and bufOut are used for user to kernel space transfers
|
|
*/
|
|
bufIn.kptr = bufOut.kptr = NULL;
|
|
bufIn.len = bufOut.len = 0;
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
if (!ioc->ioctl) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
|
|
"No memory available during driver init.\n",
|
|
__FILE__, __LINE__);
|
|
return -ENOMEM;
|
|
} else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
|
|
"Busy with IOC Reset \n", __FILE__, __LINE__);
|
|
return -EBUSY;
|
|
}
|
|
|
|
/* Verify that the final request frame will not be too large.
|
|
*/
|
|
sz = karg.dataSgeOffset * 4;
|
|
if (karg.dataInSize > 0)
|
|
sz += sizeof(dma_addr_t) + sizeof(u32);
|
|
if (karg.dataOutSize > 0)
|
|
sz += sizeof(dma_addr_t) + sizeof(u32);
|
|
|
|
if (sz > ioc->req_sz) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Request frame too large (%d) maximum (%d)\n",
|
|
ioc->name, __FILE__, __LINE__, sz, ioc->req_sz);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* Get a free request frame and save the message context.
|
|
*/
|
|
if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
|
|
return -EAGAIN;
|
|
|
|
hdr = (MPIHeader_t *) mf;
|
|
msgContext = le32_to_cpu(hdr->MsgContext);
|
|
req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
|
|
|
|
/* Copy the request frame
|
|
* Reset the saved message context.
|
|
* Request frame in user space
|
|
*/
|
|
if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Unable to read MF from mpt_ioctl_command struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, mfPtr);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
hdr->MsgContext = cpu_to_le32(msgContext);
|
|
|
|
|
|
/* Verify that this request is allowed.
|
|
*/
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n",
|
|
ioc->name, hdr->Function, mf));
|
|
|
|
switch (hdr->Function) {
|
|
case MPI_FUNCTION_IOC_FACTS:
|
|
case MPI_FUNCTION_PORT_FACTS:
|
|
karg.dataOutSize = karg.dataInSize = 0;
|
|
break;
|
|
|
|
case MPI_FUNCTION_CONFIG:
|
|
{
|
|
Config_t *config_frame;
|
|
config_frame = (Config_t *)mf;
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x "
|
|
"number=0x%02x action=0x%02x\n", ioc->name,
|
|
config_frame->Header.PageType,
|
|
config_frame->ExtPageType,
|
|
config_frame->Header.PageNumber,
|
|
config_frame->Action));
|
|
break;
|
|
}
|
|
|
|
case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
|
|
case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
|
|
case MPI_FUNCTION_FW_UPLOAD:
|
|
case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
|
|
case MPI_FUNCTION_FW_DOWNLOAD:
|
|
case MPI_FUNCTION_FC_PRIMITIVE_SEND:
|
|
case MPI_FUNCTION_TOOLBOX:
|
|
case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
|
|
break;
|
|
|
|
case MPI_FUNCTION_SCSI_IO_REQUEST:
|
|
if (ioc->sh) {
|
|
SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
|
|
int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
|
|
int scsidir = 0;
|
|
int dataSize;
|
|
u32 id;
|
|
|
|
id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
|
|
if (pScsiReq->TargetID > id) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Target ID out of bounds. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -ENODEV;
|
|
goto done_free_mem;
|
|
}
|
|
|
|
if (pScsiReq->Bus >= ioc->number_of_buses) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Target Bus out of bounds. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -ENODEV;
|
|
goto done_free_mem;
|
|
}
|
|
|
|
pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
|
|
pScsiReq->MsgFlags |= mpt_msg_flags();
|
|
|
|
|
|
/* verify that app has not requested
|
|
* more sense data than driver
|
|
* can provide, if so, reset this parameter
|
|
* set the sense buffer pointer low address
|
|
* update the control field to specify Q type
|
|
*/
|
|
if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
|
|
pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
|
|
else
|
|
pScsiReq->SenseBufferLength = karg.maxSenseBytes;
|
|
|
|
pScsiReq->SenseBufferLowAddr =
|
|
cpu_to_le32(ioc->sense_buf_low_dma
|
|
+ (req_idx * MPT_SENSE_BUFFER_ALLOC));
|
|
|
|
shost_for_each_device(sdev, ioc->sh) {
|
|
struct scsi_target *starget = scsi_target(sdev);
|
|
VirtTarget *vtarget = starget->hostdata;
|
|
|
|
if ((pScsiReq->TargetID == vtarget->id) &&
|
|
(pScsiReq->Bus == vtarget->channel) &&
|
|
(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
|
|
qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
|
|
}
|
|
|
|
/* Have the IOCTL driver set the direction based
|
|
* on the dataOutSize (ordering issue with Sparc).
|
|
*/
|
|
if (karg.dataOutSize > 0) {
|
|
scsidir = MPI_SCSIIO_CONTROL_WRITE;
|
|
dataSize = karg.dataOutSize;
|
|
} else {
|
|
scsidir = MPI_SCSIIO_CONTROL_READ;
|
|
dataSize = karg.dataInSize;
|
|
}
|
|
|
|
pScsiReq->Control = cpu_to_le32(scsidir | qtag);
|
|
pScsiReq->DataLength = cpu_to_le32(dataSize);
|
|
|
|
ioc->ioctl->reset = MPTCTL_RESET_OK;
|
|
ioc->ioctl->id = pScsiReq->TargetID;
|
|
|
|
} else {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"SCSI driver is not loaded. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
break;
|
|
|
|
case MPI_FUNCTION_SMP_PASSTHROUGH:
|
|
/* Check mf->PassthruFlags to determine if
|
|
* transfer is ImmediateMode or not.
|
|
* Immediate mode returns data in the ReplyFrame.
|
|
* Else, we are sending request and response data
|
|
* in two SGLs at the end of the mf.
|
|
*/
|
|
break;
|
|
|
|
case MPI_FUNCTION_SATA_PASSTHROUGH:
|
|
if (!ioc->sh) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"SCSI driver is not loaded. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
break;
|
|
|
|
case MPI_FUNCTION_RAID_ACTION:
|
|
/* Just add a SGE
|
|
*/
|
|
break;
|
|
|
|
case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
|
|
if (ioc->sh) {
|
|
SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
|
|
int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
|
|
int scsidir = MPI_SCSIIO_CONTROL_READ;
|
|
int dataSize;
|
|
|
|
pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
|
|
pScsiReq->MsgFlags |= mpt_msg_flags();
|
|
|
|
|
|
/* verify that app has not requested
|
|
* more sense data than driver
|
|
* can provide, if so, reset this parameter
|
|
* set the sense buffer pointer low address
|
|
* update the control field to specify Q type
|
|
*/
|
|
if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
|
|
pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
|
|
else
|
|
pScsiReq->SenseBufferLength = karg.maxSenseBytes;
|
|
|
|
pScsiReq->SenseBufferLowAddr =
|
|
cpu_to_le32(ioc->sense_buf_low_dma
|
|
+ (req_idx * MPT_SENSE_BUFFER_ALLOC));
|
|
|
|
/* All commands to physical devices are tagged
|
|
*/
|
|
|
|
/* Have the IOCTL driver set the direction based
|
|
* on the dataOutSize (ordering issue with Sparc).
|
|
*/
|
|
if (karg.dataOutSize > 0) {
|
|
scsidir = MPI_SCSIIO_CONTROL_WRITE;
|
|
dataSize = karg.dataOutSize;
|
|
} else {
|
|
scsidir = MPI_SCSIIO_CONTROL_READ;
|
|
dataSize = karg.dataInSize;
|
|
}
|
|
|
|
pScsiReq->Control = cpu_to_le32(scsidir | qtag);
|
|
pScsiReq->DataLength = cpu_to_le32(dataSize);
|
|
|
|
ioc->ioctl->reset = MPTCTL_RESET_OK;
|
|
ioc->ioctl->id = pScsiReq->TargetID;
|
|
} else {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"SCSI driver is not loaded. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
break;
|
|
|
|
case MPI_FUNCTION_SCSI_TASK_MGMT:
|
|
{
|
|
MPT_SCSI_HOST *hd = NULL;
|
|
if ((ioc->sh == NULL) || ((hd = shost_priv(ioc->sh)) == NULL)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"SCSI driver not loaded or SCSI host not found. \n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
} else if (mptctl_set_tm_flags(hd) != 0) {
|
|
rc = -EPERM;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MPI_FUNCTION_IOC_INIT:
|
|
{
|
|
IOCInit_t *pInit = (IOCInit_t *) mf;
|
|
u32 high_addr, sense_high;
|
|
|
|
/* Verify that all entries in the IOC INIT match
|
|
* existing setup (and in LE format).
|
|
*/
|
|
if (sizeof(dma_addr_t) == sizeof(u64)) {
|
|
high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
|
|
sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
|
|
} else {
|
|
high_addr = 0;
|
|
sense_high= 0;
|
|
}
|
|
|
|
if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
|
|
(pInit->MaxBuses != ioc->facts.MaxBuses) ||
|
|
(pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
|
|
(pInit->HostMfaHighAddr != high_addr) ||
|
|
(pInit->SenseBufferHighAddr != sense_high)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
|
|
ioc->name, __FILE__, __LINE__);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
/*
|
|
* MPI_FUNCTION_PORT_ENABLE
|
|
* MPI_FUNCTION_TARGET_CMD_BUFFER_POST
|
|
* MPI_FUNCTION_TARGET_ASSIST
|
|
* MPI_FUNCTION_TARGET_STATUS_SEND
|
|
* MPI_FUNCTION_TARGET_MODE_ABORT
|
|
* MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
|
|
* MPI_FUNCTION_IO_UNIT_RESET
|
|
* MPI_FUNCTION_HANDSHAKE
|
|
* MPI_FUNCTION_REPLY_FRAME_REMOVAL
|
|
* MPI_FUNCTION_EVENT_NOTIFICATION
|
|
* (driver handles event notification)
|
|
* MPI_FUNCTION_EVENT_ACK
|
|
*/
|
|
|
|
/* What to do with these??? CHECK ME!!!
|
|
MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
|
|
MPI_FUNCTION_FC_LINK_SRVC_RSP
|
|
MPI_FUNCTION_FC_ABORT
|
|
MPI_FUNCTION_LAN_SEND
|
|
MPI_FUNCTION_LAN_RECEIVE
|
|
MPI_FUNCTION_LAN_RESET
|
|
*/
|
|
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Illegal request (function 0x%x) \n",
|
|
ioc->name, __FILE__, __LINE__, hdr->Function);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
|
|
/* Add the SGL ( at most one data in SGE and one data out SGE )
|
|
* In the case of two SGE's - the data out (write) will always
|
|
* preceede the data in (read) SGE. psgList is used to free the
|
|
* allocated memory.
|
|
*/
|
|
psge = (char *) (((int *) mf) + karg.dataSgeOffset);
|
|
flagsLength = 0;
|
|
|
|
if (karg.dataOutSize > 0)
|
|
sgSize ++;
|
|
|
|
if (karg.dataInSize > 0)
|
|
sgSize ++;
|
|
|
|
if (sgSize > 0) {
|
|
|
|
/* Set up the dataOut memory allocation */
|
|
if (karg.dataOutSize > 0) {
|
|
if (karg.dataInSize > 0) {
|
|
flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
|
|
MPI_SGE_FLAGS_END_OF_BUFFER |
|
|
MPI_SGE_FLAGS_DIRECTION |
|
|
mpt_addr_size() )
|
|
<< MPI_SGE_FLAGS_SHIFT;
|
|
} else {
|
|
flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
|
|
}
|
|
flagsLength |= karg.dataOutSize;
|
|
bufOut.len = karg.dataOutSize;
|
|
bufOut.kptr = pci_alloc_consistent(
|
|
ioc->pcidev, bufOut.len, &dma_addr_out);
|
|
|
|
if (bufOut.kptr == NULL) {
|
|
rc = -ENOMEM;
|
|
goto done_free_mem;
|
|
} else {
|
|
/* Set up this SGE.
|
|
* Copy to MF and to sglbuf
|
|
*/
|
|
mpt_add_sge(psge, flagsLength, dma_addr_out);
|
|
psge += (sizeof(u32) + sizeof(dma_addr_t));
|
|
|
|
/* Copy user data to kernel space.
|
|
*/
|
|
if (copy_from_user(bufOut.kptr,
|
|
karg.dataOutBufPtr,
|
|
bufOut.len)) {
|
|
printk(MYIOC_s_ERR_FMT
|
|
"%s@%d::mptctl_do_mpt_command - Unable "
|
|
"to read user data "
|
|
"struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr);
|
|
rc = -EFAULT;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (karg.dataInSize > 0) {
|
|
flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
|
|
flagsLength |= karg.dataInSize;
|
|
|
|
bufIn.len = karg.dataInSize;
|
|
bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
|
|
bufIn.len, &dma_addr_in);
|
|
|
|
if (bufIn.kptr == NULL) {
|
|
rc = -ENOMEM;
|
|
goto done_free_mem;
|
|
} else {
|
|
/* Set up this SGE
|
|
* Copy to MF and to sglbuf
|
|
*/
|
|
mpt_add_sge(psge, flagsLength, dma_addr_in);
|
|
}
|
|
}
|
|
} else {
|
|
/* Add a NULL SGE
|
|
*/
|
|
mpt_add_sge(psge, flagsLength, (dma_addr_t) -1);
|
|
}
|
|
|
|
ioc->ioctl->wait_done = 0;
|
|
if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
|
|
|
|
DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
|
|
|
|
if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
|
|
(ioc->facts.MsgVersion >= MPI_VERSION_01_05))
|
|
mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
|
|
else {
|
|
rc =mpt_send_handshake_request(mptctl_id, ioc,
|
|
sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
|
|
if (rc != 0) {
|
|
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
|
|
"_send_handshake FAILED! (ioc %p, mf %p)\n",
|
|
ioc->name, ioc, mf));
|
|
mptctl_free_tm_flags(ioc);
|
|
rc = -ENODATA;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
|
|
} else
|
|
mpt_put_msg_frame(mptctl_id, ioc, mf);
|
|
|
|
/* Now wait for the command to complete */
|
|
timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
|
|
timeout = wait_event_timeout(mptctl_wait,
|
|
ioc->ioctl->wait_done == 1,
|
|
HZ*timeout);
|
|
|
|
if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) {
|
|
/* Now we need to reset the board */
|
|
|
|
if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT)
|
|
mptctl_free_tm_flags(ioc);
|
|
|
|
mptctl_timeout_expired(ioc->ioctl);
|
|
rc = -ENODATA;
|
|
goto done_free_mem;
|
|
}
|
|
|
|
mf = NULL;
|
|
|
|
/* If a valid reply frame, copy to the user.
|
|
* Offset 2: reply length in U32's
|
|
*/
|
|
if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) {
|
|
if (karg.maxReplyBytes < ioc->reply_sz) {
|
|
sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]);
|
|
} else {
|
|
sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]);
|
|
}
|
|
|
|
if (sz > 0) {
|
|
if (copy_to_user(karg.replyFrameBufPtr,
|
|
&ioc->ioctl->ReplyFrame, sz)){
|
|
printk(MYIOC_s_ERR_FMT
|
|
"%s@%d::mptctl_do_mpt_command - "
|
|
"Unable to write out reply frame %p\n",
|
|
ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr);
|
|
rc = -ENODATA;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If valid sense data, copy to user.
|
|
*/
|
|
if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) {
|
|
sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
|
|
if (sz > 0) {
|
|
if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Unable to write sense data to user %p\n",
|
|
ioc->name, __FILE__, __LINE__,
|
|
karg.senseDataPtr);
|
|
rc = -ENODATA;
|
|
goto done_free_mem;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If the overall status is _GOOD and data in, copy data
|
|
* to user.
|
|
*/
|
|
if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) &&
|
|
(karg.dataInSize > 0) && (bufIn.kptr)) {
|
|
|
|
if (copy_to_user(karg.dataInBufPtr,
|
|
bufIn.kptr, karg.dataInSize)) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
|
|
"Unable to write data to user %p\n",
|
|
ioc->name, __FILE__, __LINE__,
|
|
karg.dataInBufPtr);
|
|
rc = -ENODATA;
|
|
}
|
|
}
|
|
|
|
done_free_mem:
|
|
|
|
ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD |
|
|
MPT_IOCTL_STATUS_SENSE_VALID |
|
|
MPT_IOCTL_STATUS_RF_VALID );
|
|
|
|
/* Free the allocated memory.
|
|
*/
|
|
if (bufOut.kptr != NULL) {
|
|
pci_free_consistent(ioc->pcidev,
|
|
bufOut.len, (void *) bufOut.kptr, dma_addr_out);
|
|
}
|
|
|
|
if (bufIn.kptr != NULL) {
|
|
pci_free_consistent(ioc->pcidev,
|
|
bufIn.len, (void *) bufIn.kptr, dma_addr_in);
|
|
}
|
|
|
|
/* mf is null if command issued successfully
|
|
* otherwise, failure occured after mf acquired.
|
|
*/
|
|
if (mf)
|
|
mpt_free_msg_frame(ioc, mf);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* Prototype Routine for the HOST INFO command.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -EBUSY if previous command timeout and IOC reset is not complete.
|
|
* -ENODEV if no such device/adapter
|
|
* -ETIME if timer expires
|
|
* -ENOMEM if memory allocation error
|
|
*/
|
|
static int
|
|
mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
|
|
{
|
|
hp_host_info_t __user *uarg = (void __user *) arg;
|
|
MPT_ADAPTER *ioc;
|
|
struct pci_dev *pdev;
|
|
char *pbuf=NULL;
|
|
dma_addr_t buf_dma;
|
|
hp_host_info_t karg;
|
|
CONFIGPARMS cfg;
|
|
ConfigPageHeader_t hdr;
|
|
int iocnum;
|
|
int rc, cim_rev;
|
|
ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
|
|
MPT_FRAME_HDR *mf = NULL;
|
|
MPIHeader_t *mpi_hdr;
|
|
|
|
/* Reset long to int. Should affect IA64 and SPARC only
|
|
*/
|
|
if (data_size == sizeof(hp_host_info_t))
|
|
cim_rev = 1;
|
|
else if (data_size == sizeof(hp_host_info_rev0_t))
|
|
cim_rev = 0; /* obsolete */
|
|
else
|
|
return -EFAULT;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - "
|
|
"Unable to read in hp_host_info struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n",
|
|
ioc->name));
|
|
|
|
/* Fill in the data and return the structure to the calling
|
|
* program
|
|
*/
|
|
pdev = (struct pci_dev *) ioc->pcidev;
|
|
|
|
karg.vendor = pdev->vendor;
|
|
karg.device = pdev->device;
|
|
karg.subsystem_id = pdev->subsystem_device;
|
|
karg.subsystem_vendor = pdev->subsystem_vendor;
|
|
karg.devfn = pdev->devfn;
|
|
karg.bus = pdev->bus->number;
|
|
|
|
/* Save the SCSI host no. if
|
|
* SCSI driver loaded
|
|
*/
|
|
if (ioc->sh != NULL)
|
|
karg.host_no = ioc->sh->host_no;
|
|
else
|
|
karg.host_no = -1;
|
|
|
|
/* Reformat the fw_version into a string
|
|
*/
|
|
karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ?
|
|
((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0';
|
|
karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0';
|
|
karg.fw_version[2] = '.';
|
|
karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ?
|
|
((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0';
|
|
karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0';
|
|
karg.fw_version[5] = '.';
|
|
karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ?
|
|
((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0';
|
|
karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0';
|
|
karg.fw_version[8] = '.';
|
|
karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ?
|
|
((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0';
|
|
karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0';
|
|
karg.fw_version[11] = '\0';
|
|
|
|
/* Issue a config request to get the device serial number
|
|
*/
|
|
hdr.PageVersion = 0;
|
|
hdr.PageLength = 0;
|
|
hdr.PageNumber = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
|
|
cfg.cfghdr.hdr = &hdr;
|
|
cfg.physAddr = -1;
|
|
cfg.pageAddr = 0;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
strncpy(karg.serial_number, " ", 24);
|
|
if (mpt_config(ioc, &cfg) == 0) {
|
|
if (cfg.cfghdr.hdr->PageLength > 0) {
|
|
/* Issue the second config page request */
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
|
|
if (pbuf) {
|
|
cfg.physAddr = buf_dma;
|
|
if (mpt_config(ioc, &cfg) == 0) {
|
|
ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
|
|
if (strlen(pdata->BoardTracerNumber) > 1) {
|
|
strncpy(karg.serial_number, pdata->BoardTracerNumber, 24);
|
|
karg.serial_number[24-1]='\0';
|
|
}
|
|
}
|
|
pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
|
|
pbuf = NULL;
|
|
}
|
|
}
|
|
}
|
|
rc = mpt_GetIocState(ioc, 1);
|
|
switch (rc) {
|
|
case MPI_IOC_STATE_OPERATIONAL:
|
|
karg.ioc_status = HP_STATUS_OK;
|
|
break;
|
|
|
|
case MPI_IOC_STATE_FAULT:
|
|
karg.ioc_status = HP_STATUS_FAILED;
|
|
break;
|
|
|
|
case MPI_IOC_STATE_RESET:
|
|
case MPI_IOC_STATE_READY:
|
|
default:
|
|
karg.ioc_status = HP_STATUS_OTHER;
|
|
break;
|
|
}
|
|
|
|
karg.base_io_addr = pci_resource_start(pdev, 0);
|
|
|
|
if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
|
|
karg.bus_phys_width = HP_BUS_WIDTH_UNK;
|
|
else
|
|
karg.bus_phys_width = HP_BUS_WIDTH_16;
|
|
|
|
karg.hard_resets = 0;
|
|
karg.soft_resets = 0;
|
|
karg.timeouts = 0;
|
|
if (ioc->sh != NULL) {
|
|
MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
|
|
|
|
if (hd && (cim_rev == 1)) {
|
|
karg.hard_resets = hd->hard_resets;
|
|
karg.soft_resets = hd->soft_resets;
|
|
karg.timeouts = hd->timeouts;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Gather ISTWI(Industry Standard Two Wire Interface) Data
|
|
*/
|
|
if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
|
|
dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
|
|
ioc->name,__func__));
|
|
goto out;
|
|
}
|
|
|
|
IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
|
|
mpi_hdr = (MPIHeader_t *) mf;
|
|
memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
|
|
IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
|
|
IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
|
|
IstwiRWRequest->MsgContext = mpi_hdr->MsgContext;
|
|
IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
|
|
IstwiRWRequest->NumAddressBytes = 0x01;
|
|
IstwiRWRequest->DataLength = cpu_to_le16(0x04);
|
|
if (pdev->devfn & 1)
|
|
IstwiRWRequest->DeviceAddr = 0xB2;
|
|
else
|
|
IstwiRWRequest->DeviceAddr = 0xB0;
|
|
|
|
pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
|
|
if (!pbuf)
|
|
goto out;
|
|
mpt_add_sge((char *)&IstwiRWRequest->SGL,
|
|
(MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
|
|
|
|
ioc->ioctl->wait_done = 0;
|
|
mpt_put_msg_frame(mptctl_id, ioc, mf);
|
|
|
|
rc = wait_event_timeout(mptctl_wait,
|
|
ioc->ioctl->wait_done == 1,
|
|
HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */);
|
|
|
|
if(rc <=0 && (ioc->ioctl->wait_done != 1 )) {
|
|
/*
|
|
* Now we need to reset the board
|
|
*/
|
|
mpt_free_msg_frame(ioc, mf);
|
|
mptctl_timeout_expired(ioc->ioctl);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
*ISTWI Data Definition
|
|
* pbuf[0] = FW_VERSION = 0x4
|
|
* pbuf[1] = Bay Count = 6 or 4 or 2, depending on
|
|
* the config, you should be seeing one out of these three values
|
|
* pbuf[2] = Drive Installed Map = bit pattern depend on which
|
|
* bays have drives in them
|
|
* pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
|
|
*/
|
|
if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID)
|
|
karg.rsvd = *(u32 *)pbuf;
|
|
|
|
out:
|
|
if (pbuf)
|
|
pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - "
|
|
"Unable to write out hp_host_info @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/* Prototype Routine for the TARGET INFO command.
|
|
*
|
|
* Outputs: None.
|
|
* Return: 0 if successful
|
|
* -EFAULT if data unavailable
|
|
* -EBUSY if previous command timeout and IOC reset is not complete.
|
|
* -ENODEV if no such device/adapter
|
|
* -ETIME if timer expires
|
|
* -ENOMEM if memory allocation error
|
|
*/
|
|
static int
|
|
mptctl_hp_targetinfo(unsigned long arg)
|
|
{
|
|
hp_target_info_t __user *uarg = (void __user *) arg;
|
|
SCSIDevicePage0_t *pg0_alloc;
|
|
SCSIDevicePage3_t *pg3_alloc;
|
|
MPT_ADAPTER *ioc;
|
|
MPT_SCSI_HOST *hd = NULL;
|
|
hp_target_info_t karg;
|
|
int iocnum;
|
|
int data_sz;
|
|
dma_addr_t page_dma;
|
|
CONFIGPARMS cfg;
|
|
ConfigPageHeader_t hdr;
|
|
int tmp, np, rc = 0;
|
|
|
|
if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
|
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - "
|
|
"Unable to read in hp_host_targetinfo struct @ %p\n",
|
|
__FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
|
|
(ioc == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n",
|
|
__FILE__, __LINE__, iocnum);
|
|
return -ENODEV;
|
|
}
|
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n",
|
|
ioc->name));
|
|
|
|
/* There is nothing to do for FCP parts.
|
|
*/
|
|
if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
|
|
return 0;
|
|
|
|
if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
|
|
return 0;
|
|
|
|
if (ioc->sh->host_no != karg.hdr.host)
|
|
return -ENODEV;
|
|
|
|
/* Get the data transfer speeds
|
|
*/
|
|
data_sz = ioc->spi_data.sdp0length * 4;
|
|
pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
|
|
if (pg0_alloc) {
|
|
hdr.PageVersion = ioc->spi_data.sdp0version;
|
|
hdr.PageLength = data_sz;
|
|
hdr.PageNumber = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
|
|
|
|
cfg.cfghdr.hdr = &hdr;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
cfg.dir = 0;
|
|
cfg.timeout = 0;
|
|
cfg.physAddr = page_dma;
|
|
|
|
cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
|
|
|
|
if ((rc = mpt_config(ioc, &cfg)) == 0) {
|
|
np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
|
|
karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
|
|
HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
|
|
|
|
if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
|
|
tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
|
|
if (tmp < 0x09)
|
|
karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
|
|
else if (tmp <= 0x09)
|
|
karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
|
|
else if (tmp <= 0x0A)
|
|
karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
|
|
else if (tmp <= 0x0C)
|
|
karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
|
|
else if (tmp <= 0x25)
|
|
karg.negotiated_speed = HP_DEV_SPEED_FAST;
|
|
else
|
|
karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
|
|
} else
|
|
karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
|
|
}
|
|
|
|
pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
|
|
}
|
|
|
|
/* Set defaults
|
|
*/
|
|
karg.message_rejects = -1;
|
|
karg.phase_errors = -1;
|
|
karg.parity_errors = -1;
|
|
karg.select_timeouts = -1;
|
|
|
|
/* Get the target error parameters
|
|
*/
|
|
hdr.PageVersion = 0;
|
|
hdr.PageLength = 0;
|
|
hdr.PageNumber = 3;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
|
|
|
|
cfg.cfghdr.hdr = &hdr;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0;
|
|
cfg.timeout = 0;
|
|
cfg.physAddr = -1;
|
|
if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
|
|
/* Issue the second config page request */
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
|
|
pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent(
|
|
ioc->pcidev, data_sz, &page_dma);
|
|
if (pg3_alloc) {
|
|
cfg.physAddr = page_dma;
|
|
cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
|
|
if ((rc = mpt_config(ioc, &cfg)) == 0) {
|
|
karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
|
|
karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
|
|
karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
|
|
}
|
|
pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
|
|
}
|
|
}
|
|
hd = shost_priv(ioc->sh);
|
|
if (hd != NULL)
|
|
karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
|
|
|
|
/* Copy the data from kernel memory to user memory
|
|
*/
|
|
if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
|
|
printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - "
|
|
"Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
|
|
ioc->name, __FILE__, __LINE__, uarg);
|
|
return -EFAULT;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
|
|
static const struct file_operations mptctl_fops = {
|
|
.owner = THIS_MODULE,
|
|
.llseek = no_llseek,
|
|
.release = mptctl_release,
|
|
.fasync = mptctl_fasync,
|
|
.unlocked_ioctl = mptctl_ioctl,
|
|
#ifdef CONFIG_COMPAT
|
|
.compat_ioctl = compat_mpctl_ioctl,
|
|
#endif
|
|
};
|
|
|
|
static struct miscdevice mptctl_miscdev = {
|
|
MPT_MINOR,
|
|
MYNAM,
|
|
&mptctl_fops
|
|
};
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
|
|
#ifdef CONFIG_COMPAT
|
|
|
|
static int
|
|
compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct mpt_fw_xfer32 kfw32;
|
|
struct mpt_fw_xfer kfw;
|
|
MPT_ADAPTER *iocp = NULL;
|
|
int iocnum, iocnumX;
|
|
int nonblock = (filp->f_flags & O_NONBLOCK);
|
|
int ret;
|
|
|
|
|
|
if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
|
|
return -EFAULT;
|
|
|
|
/* Verify intended MPT adapter */
|
|
iocnumX = kfw32.iocnum & 0xFF;
|
|
if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
|
|
(iocp == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
|
|
__LINE__, iocnumX);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
|
|
return ret;
|
|
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n",
|
|
iocp->name));
|
|
kfw.iocnum = iocnum;
|
|
kfw.fwlen = kfw32.fwlen;
|
|
kfw.bufp = compat_ptr(kfw32.bufp);
|
|
|
|
ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
|
|
|
|
mutex_unlock(&iocp->ioctl->ioctl_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
compat_mpt_command(struct file *filp, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct mpt_ioctl_command32 karg32;
|
|
struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
|
|
struct mpt_ioctl_command karg;
|
|
MPT_ADAPTER *iocp = NULL;
|
|
int iocnum, iocnumX;
|
|
int nonblock = (filp->f_flags & O_NONBLOCK);
|
|
int ret;
|
|
|
|
if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
|
|
return -EFAULT;
|
|
|
|
/* Verify intended MPT adapter */
|
|
iocnumX = karg32.hdr.iocnum & 0xFF;
|
|
if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
|
|
(iocp == NULL)) {
|
|
printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
|
|
__LINE__, iocnumX);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
|
|
return ret;
|
|
|
|
dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n",
|
|
iocp->name));
|
|
/* Copy data to karg */
|
|
karg.hdr.iocnum = karg32.hdr.iocnum;
|
|
karg.hdr.port = karg32.hdr.port;
|
|
karg.timeout = karg32.timeout;
|
|
karg.maxReplyBytes = karg32.maxReplyBytes;
|
|
|
|
karg.dataInSize = karg32.dataInSize;
|
|
karg.dataOutSize = karg32.dataOutSize;
|
|
karg.maxSenseBytes = karg32.maxSenseBytes;
|
|
karg.dataSgeOffset = karg32.dataSgeOffset;
|
|
|
|
karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
|
|
karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
|
|
karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
|
|
karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
|
|
|
|
/* Pass new structure to do_mpt_command
|
|
*/
|
|
ret = mptctl_do_mpt_command (karg, &uarg->MF);
|
|
|
|
mutex_unlock(&iocp->ioctl->ioctl_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
|
|
{
|
|
long ret;
|
|
lock_kernel();
|
|
switch (cmd) {
|
|
case MPTIOCINFO:
|
|
case MPTIOCINFO1:
|
|
case MPTIOCINFO2:
|
|
case MPTTARGETINFO:
|
|
case MPTEVENTQUERY:
|
|
case MPTEVENTENABLE:
|
|
case MPTEVENTREPORT:
|
|
case MPTHARDRESET:
|
|
case HP_GETHOSTINFO:
|
|
case HP_GETTARGETINFO:
|
|
case MPTTEST:
|
|
ret = __mptctl_ioctl(f, cmd, arg);
|
|
break;
|
|
case MPTCOMMAND32:
|
|
ret = compat_mpt_command(f, cmd, arg);
|
|
break;
|
|
case MPTFWDOWNLOAD32:
|
|
ret = compat_mptfwxfer_ioctl(f, cmd, arg);
|
|
break;
|
|
default:
|
|
ret = -ENOIOCTLCMD;
|
|
break;
|
|
}
|
|
unlock_kernel();
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* mptctl_probe - Installs ioctl devices per bus.
|
|
* @pdev: Pointer to pci_dev structure
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*
|
|
*/
|
|
|
|
static int
|
|
mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
MPT_IOCTL *mem;
|
|
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
|
|
|
|
/*
|
|
* Allocate and inite a MPT_IOCTL structure
|
|
*/
|
|
mem = kzalloc(sizeof(MPT_IOCTL), GFP_KERNEL);
|
|
if (!mem) {
|
|
mptctl_remove(pdev);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ioc->ioctl = mem;
|
|
ioc->ioctl->ioc = ioc;
|
|
mutex_init(&ioc->ioctl->ioctl_mutex);
|
|
return 0;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
/*
|
|
* mptctl_remove - Removed ioctl devices
|
|
* @pdev: Pointer to pci_dev structure
|
|
*
|
|
*
|
|
*/
|
|
static void
|
|
mptctl_remove(struct pci_dev *pdev)
|
|
{
|
|
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
|
|
|
|
kfree ( ioc->ioctl );
|
|
}
|
|
|
|
static struct mpt_pci_driver mptctl_driver = {
|
|
.probe = mptctl_probe,
|
|
.remove = mptctl_remove,
|
|
};
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
static int __init mptctl_init(void)
|
|
{
|
|
int err;
|
|
int where = 1;
|
|
|
|
show_mptmod_ver(my_NAME, my_VERSION);
|
|
|
|
mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER);
|
|
|
|
/* Register this device */
|
|
err = misc_register(&mptctl_miscdev);
|
|
if (err < 0) {
|
|
printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
|
|
goto out_fail;
|
|
}
|
|
printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
|
|
printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
|
|
mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
|
|
|
|
/*
|
|
* Install our handler
|
|
*/
|
|
++where;
|
|
mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER);
|
|
if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
|
|
printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
|
|
misc_deregister(&mptctl_miscdev);
|
|
err = -EBUSY;
|
|
goto out_fail;
|
|
}
|
|
|
|
mpt_reset_register(mptctl_id, mptctl_ioc_reset);
|
|
mpt_event_register(mptctl_id, mptctl_event_process);
|
|
|
|
return 0;
|
|
|
|
out_fail:
|
|
|
|
mpt_device_driver_deregister(MPTCTL_DRIVER);
|
|
|
|
return err;
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
static void mptctl_exit(void)
|
|
{
|
|
misc_deregister(&mptctl_miscdev);
|
|
printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
|
|
mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
|
|
|
|
/* De-register reset handler from base module */
|
|
mpt_reset_deregister(mptctl_id);
|
|
|
|
/* De-register callback handler from base module */
|
|
mpt_deregister(mptctl_id);
|
|
|
|
mpt_device_driver_deregister(MPTCTL_DRIVER);
|
|
|
|
}
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
|
|
|
module_init(mptctl_init);
|
|
module_exit(mptctl_exit);
|