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2954 lines
83 KiB
2954 lines
83 KiB
/* |
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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:[email protected]) |
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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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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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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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|
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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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|
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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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|
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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/mutex.h> |
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#include <linux/compat.h> |
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|
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#include <asm/io.h> |
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#include <linux/uaccess.h> |
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|
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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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|
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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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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
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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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|
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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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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
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|
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static DEFINE_MUTEX(mpctl_mutex); |
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static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS; |
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static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS; |
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|
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static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); |
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|
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
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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(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_getiocinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd); |
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static int mptctl_gettargetinfo(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_readtest(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_mpt_command(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_eventquery(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_eventenable(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_eventreport(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_replace_fw(MPT_ADAPTER *iocp, unsigned long arg); |
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|
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static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg); |
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static int mptctl_hp_hostinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd); |
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static int mptctl_hp_targetinfo(MPT_ADAPTER *iocp, unsigned long arg); |
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|
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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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|
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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(MPT_ADAPTER *iocp, struct mpt_ioctl_command karg, void __user *mfPtr); |
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static int mptctl_do_fw_download(MPT_ADAPTER *iocp, 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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|
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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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/* |
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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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|
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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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|
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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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|
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if (nonblock) { |
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if (!mutex_trylock(&ioc->ioctl_cmds.mutex)) |
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rc = -EAGAIN; |
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} else { |
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if (mutex_lock_interruptible(&ioc->ioctl_cmds.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 req_index; |
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int sz; |
|
|
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if (!req) |
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return 0; |
|
|
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function " |
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"(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function, |
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req, reply)); |
|
|
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/* |
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* Handling continuation of the same reply. Processing the first |
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* reply, and eating the other replys that come later. |
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*/ |
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if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext) |
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goto out_continuation; |
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|
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ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; |
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|
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if (!reply) |
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goto out; |
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|
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ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID; |
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sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength); |
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memcpy(ioc->ioctl_cmds.reply, reply, sz); |
|
|
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if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo) |
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dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
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"iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name, |
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le16_to_cpu(reply->u.reply.IOCStatus), |
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le32_to_cpu(reply->u.reply.IOCLogInfo))); |
|
|
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if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) || |
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(req->u.hdr.Function == |
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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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"scsi_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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if (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 = ((u8 *)ioc->sense_buf_pool + |
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(req_index * MPT_SENSE_BUFFER_ALLOC)); |
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memcpy(ioc->ioctl_cmds.sense, sense_data, sz); |
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ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID; |
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} |
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} |
|
|
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out: |
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/* We are done, issue wake up |
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*/ |
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if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { |
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if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) { |
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mpt_clear_taskmgmt_in_progress_flag(ioc); |
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ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
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complete(&ioc->ioctl_cmds.done); |
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if (ioc->bus_type == SAS) |
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ioc->schedule_target_reset(ioc); |
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} else { |
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ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
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complete(&ioc->ioctl_cmds.done); |
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} |
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} |
|
|
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out_continuation: |
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if (reply && (reply->u.reply.MsgFlags & |
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MPI_MSGFLAGS_CONTINUATION_REPLY)) |
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return 0; |
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return 1; |
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} |
|
|
|
|
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static int |
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mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
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{ |
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if (!mf) |
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return 0; |
|
|
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dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
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"TaskMgmt completed (mf=%p, mr=%p)\n", |
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ioc->name, mf, mr)); |
|
|
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ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; |
|
|
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if (!mr) |
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goto out; |
|
|
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ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; |
|
memcpy(ioc->taskmgmt_cmds.reply, mr, |
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min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); |
|
out: |
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if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { |
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mpt_clear_taskmgmt_in_progress_flag(ioc); |
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ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
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complete(&ioc->taskmgmt_cmds.done); |
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if (ioc->bus_type == SAS) |
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ioc->schedule_target_reset(ioc); |
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return 1; |
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} |
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return 0; |
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} |
|
|
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static int |
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mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id) |
|
{ |
|
MPT_FRAME_HDR *mf; |
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SCSITaskMgmt_t *pScsiTm; |
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SCSITaskMgmtReply_t *pScsiTmReply; |
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int ii; |
|
int retval; |
|
unsigned long timeout; |
|
unsigned long time_count; |
|
u16 iocstatus; |
|
|
|
|
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mutex_lock(&ioc->taskmgmt_cmds.mutex); |
|
if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
return -EPERM; |
|
} |
|
|
|
retval = 0; |
|
|
|
mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc); |
|
if (mf == NULL) { |
|
dtmprintk(ioc, |
|
printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n", |
|
ioc->name)); |
|
mpt_clear_taskmgmt_in_progress_flag(ioc); |
|
retval = -ENOMEM; |
|
goto tm_done; |
|
} |
|
|
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", |
|
ioc->name, mf)); |
|
|
|
pScsiTm = (SCSITaskMgmt_t *) mf; |
|
memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); |
|
pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; |
|
pScsiTm->TaskType = tm_type; |
|
if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && |
|
(ioc->bus_type == FC)) |
|
pScsiTm->MsgFlags = |
|
MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; |
|
pScsiTm->TargetID = target_id; |
|
pScsiTm->Bus = bus_id; |
|
pScsiTm->ChainOffset = 0; |
|
pScsiTm->Reserved = 0; |
|
pScsiTm->Reserved1 = 0; |
|
pScsiTm->TaskMsgContext = 0; |
|
for (ii= 0; ii < 8; ii++) |
|
pScsiTm->LUN[ii] = 0; |
|
for (ii=0; ii < 7; ii++) |
|
pScsiTm->Reserved2[ii] = 0; |
|
|
|
switch (ioc->bus_type) { |
|
case FC: |
|
timeout = 40; |
|
break; |
|
case SAS: |
|
timeout = 30; |
|
break; |
|
case SPI: |
|
default: |
|
timeout = 10; |
|
break; |
|
} |
|
|
|
dtmprintk(ioc, |
|
printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n", |
|
ioc->name, tm_type, timeout)); |
|
|
|
INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) |
|
time_count = jiffies; |
|
if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
|
(ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
|
mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf); |
|
else { |
|
retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc, |
|
sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP); |
|
if (retval != 0) { |
|
dfailprintk(ioc, |
|
printk(MYIOC_s_ERR_FMT |
|
"TaskMgmt send_handshake FAILED!" |
|
" (ioc %p, mf %p, rc=%d) \n", ioc->name, |
|
ioc, mf, retval)); |
|
mpt_free_msg_frame(ioc, mf); |
|
mpt_clear_taskmgmt_in_progress_flag(ioc); |
|
goto tm_done; |
|
} |
|
} |
|
|
|
/* Now wait for the command to complete */ |
|
ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ); |
|
|
|
if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"TaskMgmt failed\n", ioc->name)); |
|
mpt_free_msg_frame(ioc, mf); |
|
mpt_clear_taskmgmt_in_progress_flag(ioc); |
|
if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) |
|
retval = 0; |
|
else |
|
retval = -1; /* return failure */ |
|
goto tm_done; |
|
} |
|
|
|
if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"TaskMgmt failed\n", ioc->name)); |
|
retval = -1; /* return failure */ |
|
goto tm_done; |
|
} |
|
|
|
pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, " |
|
"iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, " |
|
"term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus, |
|
pScsiTmReply->TargetID, tm_type, |
|
le16_to_cpu(pScsiTmReply->IOCStatus), |
|
le32_to_cpu(pScsiTmReply->IOCLogInfo), |
|
pScsiTmReply->ResponseCode, |
|
le32_to_cpu(pScsiTmReply->TerminationCount))); |
|
|
|
iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
|
|
|
if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || |
|
iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED || |
|
iocstatus == MPI_IOCSTATUS_SUCCESS) |
|
retval = 0; |
|
else { |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"TaskMgmt failed\n", ioc->name)); |
|
retval = -1; /* return failure */ |
|
} |
|
|
|
tm_done: |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) |
|
return retval; |
|
} |
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
|
/* mptctl_timeout_expired |
|
* |
|
* Expecting an interrupt, however timed out. |
|
* |
|
*/ |
|
static void |
|
mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) |
|
{ |
|
unsigned long flags; |
|
int ret_val = -1; |
|
SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf; |
|
u8 function = mf->u.hdr.Function; |
|
|
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n", |
|
ioc->name, __func__)); |
|
|
|
if (mpt_fwfault_debug) |
|
mpt_halt_firmware(ioc); |
|
|
|
spin_lock_irqsave(&ioc->taskmgmt_lock, flags); |
|
if (ioc->ioc_reset_in_progress) { |
|
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
|
CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) |
|
mpt_free_msg_frame(ioc, mf); |
|
return; |
|
} |
|
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
|
|
|
|
|
CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) |
|
|
|
if (ioc->bus_type == SAS) { |
|
if (function == MPI_FUNCTION_SCSI_IO_REQUEST) |
|
ret_val = mptctl_do_taskmgmt(ioc, |
|
MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
|
scsi_req->Bus, scsi_req->TargetID); |
|
else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) |
|
ret_val = mptctl_do_taskmgmt(ioc, |
|
MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
|
scsi_req->Bus, 0); |
|
if (!ret_val) |
|
return; |
|
} else { |
|
if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) || |
|
(function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) |
|
ret_val = mptctl_do_taskmgmt(ioc, |
|
MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
|
scsi_req->Bus, 0); |
|
if (!ret_val) |
|
return; |
|
} |
|
|
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n", |
|
ioc->name)); |
|
mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); |
|
mpt_free_msg_frame(ioc, mf); |
|
} |
|
|
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
|
/* 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) |
|
{ |
|
switch(reset_phase) { |
|
case MPT_IOC_SETUP_RESET: |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); |
|
break; |
|
case MPT_IOC_PRE_RESET: |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); |
|
break; |
|
case MPT_IOC_POST_RESET: |
|
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); |
|
if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { |
|
ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET; |
|
complete(&ioc->ioctl_cmds.done); |
|
} |
|
break; |
|
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; |
|
|
|
mutex_lock(&mpctl_mutex); |
|
list_for_each_entry(ioc, &ioc_list, list) |
|
ioc->aen_event_read_flag=0; |
|
|
|
ret = fasync_helper(fd, filep, mode, &async_queue); |
|
mutex_unlock(&mpctl_mutex); |
|
return ret; |
|
} |
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
|
/* |
|
* 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)) |
|
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(iocp, arg, _IOC_SIZE(cmd)); |
|
} else if (cmd == MPTTARGETINFO) { |
|
return mptctl_gettargetinfo(iocp, arg); |
|
} else if (cmd == MPTTEST) { |
|
return mptctl_readtest(iocp, arg); |
|
} else if (cmd == MPTEVENTQUERY) { |
|
return mptctl_eventquery(iocp, arg); |
|
} else if (cmd == MPTEVENTENABLE) { |
|
return mptctl_eventenable(iocp, arg); |
|
} else if (cmd == MPTEVENTREPORT) { |
|
return mptctl_eventreport(iocp, arg); |
|
} else if (cmd == MPTFWREPLACE) { |
|
return mptctl_replace_fw(iocp, 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(iocp, arg); |
|
else if (cmd == MPTCOMMAND) |
|
ret = mptctl_mpt_command(iocp, arg); |
|
else if (cmd == MPTHARDRESET) |
|
ret = mptctl_do_reset(iocp, arg); |
|
else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) |
|
ret = mptctl_hp_hostinfo(iocp, arg, _IOC_SIZE(cmd)); |
|
else if (cmd == HP_GETTARGETINFO) |
|
ret = mptctl_hp_targetinfo(iocp, arg); |
|
else |
|
ret = -EINVAL; |
|
|
|
mutex_unlock(&iocp->ioctl_cmds.mutex); |
|
|
|
return ret; |
|
} |
|
|
|
static long |
|
mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
|
{ |
|
long ret; |
|
mutex_lock(&mpctl_mutex); |
|
ret = __mptctl_ioctl(file, cmd, arg); |
|
mutex_unlock(&mpctl_mutex); |
|
return ret; |
|
} |
|
|
|
static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; |
|
struct mpt_ioctl_diag_reset krinfo; |
|
|
|
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; |
|
} |
|
|
|
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(MPT_ADAPTER *iocp, 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(iocp, 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(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen) |
|
{ |
|
FWDownload_t *dlmsg; |
|
MPT_FRAME_HDR *mf; |
|
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; |
|
unsigned long timeleft; |
|
|
|
/* 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)); |
|
|
|
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)) |
|
/ iocp->SGE_size; |
|
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) { |
|
iocp->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 += iocp->SGE_size; |
|
} |
|
|
|
DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags); |
|
|
|
/* |
|
* Finally, perform firmware download. |
|
*/ |
|
ReplyMsg = NULL; |
|
SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext); |
|
INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status) |
|
mpt_put_msg_frame(mptctl_id, iocp, mf); |
|
|
|
/* Now wait for the command to complete */ |
|
retry_wait: |
|
timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60); |
|
if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
|
ret = -ETIME; |
|
printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); |
|
if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
|
mpt_free_msg_frame(iocp, mf); |
|
goto fwdl_out; |
|
} |
|
if (!timeleft) { |
|
printk(MYIOC_s_WARN_FMT |
|
"FW download timeout, doorbell=0x%08x\n", |
|
iocp->name, mpt_GetIocState(iocp, 0)); |
|
mptctl_timeout_expired(iocp, mf); |
|
} else |
|
goto retry_wait; |
|
goto fwdl_out; |
|
} |
|
|
|
if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { |
|
printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); |
|
mpt_free_msg_frame(iocp, mf); |
|
ret = -ENODATA; |
|
goto fwdl_out; |
|
} |
|
|
|
if (sgl) |
|
kfree_sgl(sgl, sgl_dma, buflist, iocp); |
|
|
|
ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply; |
|
iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; |
|
if (iocstat == MPI_IOCSTATUS_SUCCESS) { |
|
printk(MYIOC_s_INFO_FMT "F/W update successful!\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: |
|
|
|
CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status); |
|
SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0); |
|
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; |
|
|
|
if (bytes < 0) |
|
return NULL; |
|
|
|
/* 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)/ioc->SGE_size) - 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|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 (MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size) |
|
{ |
|
struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_iocinfo *karg; |
|
struct pci_dev *pdev; |
|
unsigned int port; |
|
int cim_rev; |
|
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 = memdup_user(uarg, data_size); |
|
if (IS_ERR(karg)) { |
|
printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n", |
|
__FILE__, __LINE__, PTR_ERR(karg)); |
|
return PTR_ERR(karg); |
|
} |
|
|
|
/* 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) { |
|
kfree(karg); |
|
return -EINVAL; |
|
} |
|
port = karg->hdr.port; |
|
|
|
karg->port = port; |
|
pdev = (struct pci_dev *) ioc->pcidev; |
|
|
|
karg->pciId = pdev->device; |
|
karg->hwRev = pdev->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 == NULL || vdevice->vtarget == NULL) |
|
continue; |
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_targetinfo karg; |
|
VirtDevice *vdevice; |
|
char *pmem; |
|
int *pdata; |
|
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; |
|
} |
|
|
|
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 == NULL || vdevice->vtarget == NULL) |
|
continue; |
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_test __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_test karg; |
|
|
|
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; |
|
} |
|
|
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_eventquery karg; |
|
|
|
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; |
|
} |
|
|
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_eventenable karg; |
|
|
|
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; |
|
} |
|
|
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_eventreport karg; |
|
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; |
|
} |
|
|
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_replace_fw karg; |
|
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; |
|
} |
|
|
|
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 = ALIGN(karg.newImageSize, 4); |
|
|
|
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 (MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
struct mpt_ioctl_command __user *uarg = (void __user *) arg; |
|
struct mpt_ioctl_command karg; |
|
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; |
|
} |
|
|
|
rc = mptctl_do_mpt_command (ioc, 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 (MPT_ADAPTER *ioc, struct mpt_ioctl_command karg, void __user *mfPtr) |
|
{ |
|
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 flagsLength; |
|
int sz, rc = 0; |
|
int msgContext; |
|
u16 req_idx; |
|
ulong timeout; |
|
unsigned long timeleft; |
|
struct scsi_device *sdev; |
|
unsigned long flags; |
|
u8 function; |
|
|
|
/* bufIn and bufOut are used for user to kernel space transfers |
|
*/ |
|
bufIn.kptr = bufOut.kptr = NULL; |
|
bufIn.len = bufOut.len = 0; |
|
|
|
spin_lock_irqsave(&ioc->taskmgmt_lock, flags); |
|
if (ioc->ioc_reset_in_progress) { |
|
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
|
printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " |
|
"Busy with diagnostic reset\n", __FILE__, __LINE__); |
|
return -EBUSY; |
|
} |
|
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
|
|
|
/* Basic sanity checks to prevent underflows or integer overflows */ |
|
if (karg.maxReplyBytes < 0 || |
|
karg.dataInSize < 0 || |
|
karg.dataOutSize < 0 || |
|
karg.dataSgeOffset < 0 || |
|
karg.maxSenseBytes < 0 || |
|
karg.dataSgeOffset > ioc->req_sz / 4) |
|
return -EINVAL; |
|
|
|
/* Verify that the final request frame will not be too large. |
|
*/ |
|
sz = karg.dataSgeOffset * 4; |
|
if (karg.dataInSize > 0) |
|
sz += ioc->SGE_size; |
|
if (karg.dataOutSize > 0) |
|
sz += ioc->SGE_size; |
|
|
|
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); |
|
function = -1; |
|
rc = -EFAULT; |
|
goto done_free_mem; |
|
} |
|
hdr->MsgContext = cpu_to_le32(msgContext); |
|
function = hdr->Function; |
|
|
|
|
|
/* 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 (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(ioc); |
|
|
|
|
|
/* 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 (vtarget == NULL) |
|
continue; |
|
|
|
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); |
|
|
|
|
|
} 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(ioc); |
|
|
|
|
|
/* 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); |
|
|
|
} 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: |
|
{ |
|
SCSITaskMgmt_t *pScsiTm; |
|
pScsiTm = (SCSITaskMgmt_t *)mf; |
|
dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
|
"\tTaskType=0x%x MsgFlags=0x%x " |
|
"TaskMsgContext=0x%x id=%d channel=%d\n", |
|
ioc->name, pScsiTm->TaskType, le32_to_cpu |
|
(pScsiTm->TaskMsgContext), pScsiTm->MsgFlags, |
|
pScsiTm->TargetID, pScsiTm->Bus)); |
|
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) |
|
<< 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 |
|
*/ |
|
ioc->add_sge(psge, flagsLength, dma_addr_out); |
|
psge += ioc->SGE_size; |
|
|
|
/* 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 |
|
*/ |
|
ioc->add_sge(psge, flagsLength, dma_addr_in); |
|
} |
|
} |
|
} else { |
|
/* Add a NULL SGE |
|
*/ |
|
ioc->add_sge(psge, flagsLength, (dma_addr_t) -1); |
|
} |
|
|
|
SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext); |
|
INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) |
|
if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { |
|
|
|
mutex_lock(&ioc->taskmgmt_cmds.mutex); |
|
if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
goto done_free_mem; |
|
} |
|
|
|
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)); |
|
mpt_clear_taskmgmt_in_progress_flag(ioc); |
|
rc = -ENODATA; |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
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; |
|
retry_wait: |
|
timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, |
|
HZ*timeout); |
|
if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
|
rc = -ETIME; |
|
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n", |
|
ioc->name, __func__)); |
|
if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
|
if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
goto done_free_mem; |
|
} |
|
if (!timeleft) { |
|
printk(MYIOC_s_WARN_FMT |
|
"mpt cmd timeout, doorbell=0x%08x" |
|
" function=0x%x\n", |
|
ioc->name, mpt_GetIocState(ioc, 0), function); |
|
if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
mptctl_timeout_expired(ioc, mf); |
|
mf = NULL; |
|
} else |
|
goto retry_wait; |
|
goto done_free_mem; |
|
} |
|
|
|
if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
|
mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
|
|
|
|
|
mf = NULL; |
|
|
|
/* If a valid reply frame, copy to the user. |
|
* Offset 2: reply length in U32's |
|
*/ |
|
if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) { |
|
if (karg.maxReplyBytes < ioc->reply_sz) { |
|
sz = min(karg.maxReplyBytes, |
|
4*ioc->ioctl_cmds.reply[2]); |
|
} else { |
|
sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]); |
|
} |
|
if (sz > 0) { |
|
if (copy_to_user(karg.replyFrameBufPtr, |
|
ioc->ioctl_cmds.reply, 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_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) { |
|
sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); |
|
if (sz > 0) { |
|
if (copy_to_user(karg.senseDataPtr, |
|
ioc->ioctl_cmds.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_cmds.status & MPT_MGMT_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: |
|
|
|
CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) |
|
SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); |
|
|
|
/* 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 occurred 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(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size) |
|
{ |
|
hp_host_info_t __user *uarg = (void __user *) arg; |
|
struct pci_dev *pdev; |
|
char *pbuf=NULL; |
|
dma_addr_t buf_dma; |
|
hp_host_info_t karg; |
|
CONFIGPARMS cfg; |
|
ConfigPageHeader_t hdr; |
|
int rc, cim_rev; |
|
ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; |
|
MPT_FRAME_HDR *mf = NULL; |
|
unsigned long timeleft; |
|
int retval; |
|
u32 msgcontext; |
|
|
|
/* 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; |
|
} |
|
|
|
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 */ |
|
snprintf(karg.fw_version, sizeof(karg.fw_version), |
|
"%.2hhu.%.2hhu.%.2hhu.%.2hhu", |
|
ioc->facts.FWVersion.Struct.Major, |
|
ioc->facts.FWVersion.Struct.Minor, |
|
ioc->facts.FWVersion.Struct.Unit, |
|
ioc->facts.FWVersion.Struct.Dev); |
|
|
|
/* 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) { |
|
strlcpy(karg.serial_number, |
|
pdata->BoardTracerNumber, 24); |
|
} |
|
} |
|
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 = ioc->hard_resets; |
|
karg.soft_resets = ioc->soft_resets; |
|
karg.timeouts = ioc->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; |
|
msgcontext = IstwiRWRequest->MsgContext; |
|
memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); |
|
IstwiRWRequest->MsgContext = msgcontext; |
|
IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; |
|
IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; |
|
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; |
|
ioc->add_sge((char *)&IstwiRWRequest->SGL, |
|
(MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); |
|
|
|
retval = 0; |
|
SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, |
|
IstwiRWRequest->MsgContext); |
|
INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) |
|
mpt_put_msg_frame(mptctl_id, ioc, mf); |
|
|
|
retry_wait: |
|
timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, |
|
HZ*MPT_IOCTL_DEFAULT_TIMEOUT); |
|
if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
|
retval = -ETIME; |
|
printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__); |
|
if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
|
mpt_free_msg_frame(ioc, mf); |
|
goto out; |
|
} |
|
if (!timeleft) { |
|
printk(MYIOC_s_WARN_FMT |
|
"HOST INFO command timeout, doorbell=0x%08x\n", |
|
ioc->name, mpt_GetIocState(ioc, 0)); |
|
mptctl_timeout_expired(ioc, mf); |
|
} else |
|
goto retry_wait; |
|
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_cmds.status & MPT_MGMT_STATUS_RF_VALID) |
|
karg.rsvd = *(u32 *)pbuf; |
|
|
|
out: |
|
CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) |
|
SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); |
|
|
|
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(MPT_ADAPTER *ioc, unsigned long arg) |
|
{ |
|
hp_target_info_t __user *uarg = (void __user *) arg; |
|
SCSIDevicePage0_t *pg0_alloc; |
|
SCSIDevicePage3_t *pg3_alloc; |
|
MPT_SCSI_HOST *hd = NULL; |
|
hp_target_info_t karg; |
|
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 (karg.hdr.id >= MPT_MAX_FC_DEVICES) |
|
return -EINVAL; |
|
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 = 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 = 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, |
|
.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(iocp, kfw.bufp, kfw.fwlen); |
|
|
|
mutex_unlock(&iocp->ioctl_cmds.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 (iocp, karg, &uarg->MF); |
|
|
|
mutex_unlock(&iocp->ioctl_cmds.mutex); |
|
|
|
return ret; |
|
} |
|
|
|
static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) |
|
{ |
|
long ret; |
|
mutex_lock(&mpctl_mutex); |
|
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; |
|
} |
|
mutex_unlock(&mpctl_mutex); |
|
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_ADAPTER *ioc = pci_get_drvdata(pdev); |
|
|
|
mutex_init(&ioc->ioctl_cmds.mutex); |
|
init_completion(&ioc->ioctl_cmds.done); |
|
return 0; |
|
} |
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
|
/* |
|
* mptctl_remove - Removed ioctl devices |
|
* @pdev: Pointer to pci_dev structure |
|
* |
|
* |
|
*/ |
|
static void |
|
mptctl_remove(struct pci_dev *pdev) |
|
{ |
|
} |
|
|
|
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, |
|
"mptctl_reply"); |
|
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; |
|
} |
|
|
|
mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER, |
|
"mptctl_taskmgmt_reply"); |
|
if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) { |
|
printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); |
|
mpt_deregister(mptctl_id); |
|
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 event handler from base module */ |
|
mpt_event_deregister(mptctl_id); |
|
|
|
/* De-register reset handler from base module */ |
|
mpt_reset_deregister(mptctl_id); |
|
|
|
/* De-register callback handler from base module */ |
|
mpt_deregister(mptctl_taskmgmt_id); |
|
mpt_deregister(mptctl_id); |
|
|
|
mpt_device_driver_deregister(MPTCTL_DRIVER); |
|
|
|
} |
|
|
|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
|
|
|
module_init(mptctl_init); |
|
module_exit(mptctl_exit);
|
|
|