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authorMoore, Eric <Eric.Moore@lsil.com>2006-02-02 17:19:47 -0700
committer <jejb@mulgrave.il.steeleye.com>2006-02-04 16:32:51 -0600
commit592f9c2fc9725b922ba8c4b1d67318ea4a301b59 (patch)
treec6412bd0074ee48693d4560bcbe28927c95de3bb
parent5f07e2499d629045f7f8a60a5b442792f08732cb (diff)
[SCSI] fusion - mptctl - backplane istwi fix
Moving the toolbox call from mptbase.c, over to mptctl.c, and using the mptctl infastructure to issue the call. The existing code is hanging on certain HP platforms when this ioctl is issued, and this patch fix's that. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
-rw-r--r--drivers/message/fusion/mptbase.c113
-rw-r--r--drivers/message/fusion/mptbase.h1
-rw-r--r--drivers/message/fusion/mptctl.c74
3 files changed, 63 insertions, 125 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index a3751d86216..642a61b6d0a 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -452,8 +452,7 @@ mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
} else if (func == MPI_FUNCTION_EVENT_ACK) {
dprintk((MYIOC_s_INFO_FMT "mpt_base_reply, EventAck reply received\n",
ioc->name));
- } else if (func == MPI_FUNCTION_CONFIG ||
- func == MPI_FUNCTION_TOOLBOX) {
+ } else if (func == MPI_FUNCTION_CONFIG) {
CONFIGPARMS *pCfg;
unsigned long flags;
@@ -5327,115 +5326,6 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/**
- * mpt_toolbox - Generic function to issue toolbox message
- * @ioc - Pointer to an adapter structure
- * @cfg - Pointer to a toolbox structure. Struct contains
- * action, page address, direction, physical address
- * and pointer to a configuration page header
- * Page header is updated.
- *
- * Returns 0 for success
- * -EPERM if not allowed due to ISR context
- * -EAGAIN if no msg frames currently available
- * -EFAULT for non-successful reply or no reply (timeout)
- */
-int
-mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
-{
- ToolboxIstwiReadWriteRequest_t *pReq;
- MPT_FRAME_HDR *mf;
- struct pci_dev *pdev;
- unsigned long flags;
- int rc;
- u32 flagsLength;
- int in_isr;
-
- /* Prevent calling wait_event() (below), if caller happens
- * to be in ISR context, because that is fatal!
- */
- in_isr = in_interrupt();
- if (in_isr) {
- dcprintk((MYIOC_s_WARN_FMT "toobox request not allowed in ISR context!\n",
- ioc->name));
- return -EPERM;
- }
-
- /* Get and Populate a free Frame
- */
- if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
- dcprintk((MYIOC_s_WARN_FMT "mpt_toolbox: no msg frames!\n",
- ioc->name));
- return -EAGAIN;
- }
- pReq = (ToolboxIstwiReadWriteRequest_t *)mf;
- pReq->Tool = pCfg->action;
- pReq->Reserved = 0;
- pReq->ChainOffset = 0;
- pReq->Function = MPI_FUNCTION_TOOLBOX;
- pReq->Reserved1 = 0;
- pReq->Reserved2 = 0;
- pReq->MsgFlags = 0;
- pReq->Flags = pCfg->dir;
- pReq->BusNum = 0;
- pReq->Reserved3 = 0;
- pReq->NumAddressBytes = 0x01;
- pReq->Reserved4 = 0;
- pReq->DataLength = cpu_to_le16(0x04);
- pdev = ioc->pcidev;
- if (pdev->devfn & 1)
- pReq->DeviceAddr = 0xB2;
- else
- pReq->DeviceAddr = 0xB0;
- pReq->Addr1 = 0;
- pReq->Addr2 = 0;
- pReq->Addr3 = 0;
- pReq->Reserved5 = 0;
-
- /* Add a SGE to the config request.
- */
-
- flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | 4;
-
- mpt_add_sge((char *)&pReq->SGL, flagsLength, pCfg->physAddr);
-
- dcprintk((MYIOC_s_INFO_FMT "Sending Toolbox request, Tool=%x\n",
- ioc->name, pReq->Tool));
-
- /* Append pCfg pointer to end of mf
- */
- *((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) = (void *) pCfg;
-
- /* Initalize the timer
- */
- init_timer(&pCfg->timer);
- pCfg->timer.data = (unsigned long) ioc;
- pCfg->timer.function = mpt_timer_expired;
- pCfg->wait_done = 0;
-
- /* Set the timer; ensure 10 second minimum */
- if (pCfg->timeout < 10)
- pCfg->timer.expires = jiffies + HZ*10;
- else
- pCfg->timer.expires = jiffies + HZ*pCfg->timeout;
-
- /* Add to end of Q, set timer and then issue this command */
- spin_lock_irqsave(&ioc->FreeQlock, flags);
- list_add_tail(&pCfg->linkage, &ioc->configQ);
- spin_unlock_irqrestore(&ioc->FreeQlock, flags);
-
- add_timer(&pCfg->timer);
- mpt_put_msg_frame(mpt_base_index, ioc, mf);
- wait_event(mpt_waitq, pCfg->wait_done);
-
- /* mf has been freed - do not access */
-
- rc = pCfg->status;
-
- return rc;
-}
-
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mpt_timer_expired - Call back for timer process.
* Used only internal config functionality.
@@ -6540,7 +6430,6 @@ EXPORT_SYMBOL(mpt_lan_index);
EXPORT_SYMBOL(mpt_stm_index);
EXPORT_SYMBOL(mpt_HardResetHandler);
EXPORT_SYMBOL(mpt_config);
-EXPORT_SYMBOL(mpt_toolbox);
EXPORT_SYMBOL(mpt_findImVolumes);
EXPORT_SYMBOL(mpt_read_ioc_pg_3);
EXPORT_SYMBOL(mpt_alloc_fw_memory);
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index ea2649ecad1..2e5377309ce 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -1026,7 +1026,6 @@ extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
-extern int mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index be5fcd8db63..2df3b875654 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -2271,13 +2271,16 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
hp_host_info_t __user *uarg = (void __user *) arg;
MPT_ADAPTER *ioc;
struct pci_dev *pdev;
- char *pbuf;
+ char *pbuf=NULL;
dma_addr_t buf_dma;
hp_host_info_t karg;
CONFIGPARMS cfg;
ConfigPageHeader_t hdr;
int iocnum;
int rc, cim_rev;
+ ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
+ MPT_FRAME_HDR *mf = NULL;
+ MPIHeader_t *mpi_hdr;
dctlprintk((": mptctl_hp_hostinfo called.\n"));
/* Reset long to int. Should affect IA64 and SPARC only
@@ -2413,20 +2416,67 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
}
}
- cfg.pageAddr = 0;
- cfg.action = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
- cfg.dir = MPI_TB_ISTWI_FLAGS_READ;
- cfg.timeout = 10;
+ /*
+ * Gather ISTWI(Industry Standard Two Wire Interface) Data
+ */
+ if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
+ dfailprintk((MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
+ ioc->name,__FUNCTION__));
+ goto out;
+ }
+
+ IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
+ mpi_hdr = (MPIHeader_t *) mf;
+ memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
+ IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
+ IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
+ IstwiRWRequest->MsgContext = mpi_hdr->MsgContext;
+ IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
+ IstwiRWRequest->NumAddressBytes = 0x01;
+ IstwiRWRequest->DataLength = cpu_to_le16(0x04);
+ if (pdev->devfn & 1)
+ IstwiRWRequest->DeviceAddr = 0xB2;
+ else
+ IstwiRWRequest->DeviceAddr = 0xB0;
+
pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
- if (pbuf) {
- cfg.physAddr = buf_dma;
- if ((mpt_toolbox(ioc, &cfg)) == 0) {
- karg.rsvd = *(u32 *)pbuf;
- }
- pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
- pbuf = NULL;
+ if (!pbuf)
+ goto out;
+ mpt_add_sge((char *)&IstwiRWRequest->SGL,
+ (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
+
+ ioc->ioctl->wait_done = 0;
+ mpt_put_msg_frame(mptctl_id, ioc, mf);
+
+ rc = wait_event_timeout(mptctl_wait,
+ ioc->ioctl->wait_done == 1,
+ HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */);
+
+ if(rc <=0 && (ioc->ioctl->wait_done != 1 )) {
+ /*
+ * Now we need to reset the board
+ */
+ mpt_free_msg_frame(ioc, mf);
+ mptctl_timeout_expired(ioc->ioctl);
+ goto out;
}
+ /*
+ *ISTWI Data Definition
+ * pbuf[0] = FW_VERSION = 0x4
+ * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
+ * the config, you should be seeing one out of these three values
+ * pbuf[2] = Drive Installed Map = bit pattern depend on which
+ * bays have drives in them
+ * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
+ */
+ if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID)
+ karg.rsvd = *(u32 *)pbuf;
+
+ out:
+ if (pbuf)
+ pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
+
/* Copy the data from kernel memory to user memory
*/
if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {