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Commit c9793ca3 authored by James Bottomley's avatar James Bottomley
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fix dma mapping leak in fusion 

From: 	Moore, Eric Dean <Emoore@lsil.com>

Remove the internal queueing so that commands
aren't stored in the driver and thus it doesn't
have to worry about whether the IOMMU resources
are allocated or not.
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent d2b91c2d
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Showing with 61 additions and 380 deletions
drivers/message/fusion/mptbase.c
View file @ c9793ca3
......@@ -3395,7 +3395,7 @@ SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
* @hd: Pointer to MPT_SCSI_HOST structure
* @init: If set, initialize the spin lock.
*/
int
static int
initChainBuffers(MPT_ADAPTER *ioc)
{
u8 *mem;
......
drivers/message/fusion/mptbase.h
View file @ c9793ca3
......@@ -83,8 +83,8 @@
#define COPYRIGHT "Copyright (c) 1999-2004 " MODULEAUTHOR
#endif
#define MPT_LINUX_VERSION_COMMON "3.01.15"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.01.15"
#define MPT_LINUX_VERSION_COMMON "3.01.16"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.01.16"
#define WHAT_MAGIC_STRING "@" "(" "#" ")"
#define show_mptmod_ver(s,ver) \
......@@ -318,17 +318,6 @@ typedef struct _Q_TRACKER {
struct _Q_ITEM *tail;
} Q_TRACKER;
typedef struct _MPT_DONE_Q {
struct _MPT_DONE_Q *forw;
struct _MPT_DONE_Q *back;
void *argp;
} MPT_DONE_Q;
typedef struct _DONE_Q_TRACKER {
MPT_DONE_Q *head;
MPT_DONE_Q *tail;
} DONE_Q_TRACKER;
/*
* Chip-specific stuff... FC929 delineates break between
* FC and Parallel SCSI parts. Do NOT re-order.
......@@ -859,7 +848,7 @@ typedef struct _mpt_sge {
#define dtmprintk(x) printk x
#define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
{ u32 *m = (u32 *)(mfp); \
int i, n = 12; \
int i, n = 13; \
printk("TM_REQUEST:\n"); \
for (i=0; i<n; i++) { \
if (i && ((i%8)==0)) \
......@@ -1028,12 +1017,7 @@ typedef struct _MPT_SCSI_HOST {
/* Pool of memory for holding SCpnts before doing
* OS callbacks. freeQ is the free pool.
*/
u8 *memQ;
DONE_Q_TRACKER freeQ;
DONE_Q_TRACKER doneQ; /* Holds Linux formmatted requests */
DONE_Q_TRACKER pendingQ; /* Holds MPI formmatted requests */
MPT_Q_TRACKER taskQ; /* TM request Q */
spinlock_t freedoneQlock;
int taskQcnt;
u8 tmPending;
u8 resetPending;
......
drivers/message/fusion/mptctl.c
View file @ c9793ca3
......@@ -484,7 +484,7 @@ mptctl_free_tm_flags(MPT_ADAPTER *ioc)
spin_lock_irqsave(&ioc->FreeQlock, flags);
hd->tmState = TM_STATE_ERROR;
hd->tmState = TM_STATE_NONE;
hd->tmPending = 0;
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
......@@ -2195,6 +2195,7 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
add_timer(&ioc->ioctl->timer);
if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf);
rc = mpt_send_handshake_request(mptctl_id, ioc,
sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
if (rc == 0) {
......@@ -2865,7 +2866,7 @@ static struct mpt_pci_driver mptctl_driver = {
};
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
int __init mptctl_init(void)
static int __init mptctl_init(void)
{
int err;
int where = 1;
......@@ -2963,7 +2964,7 @@ int __init mptctl_init(void)
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
void mptctl_exit(void)
static void mptctl_exit(void)
{
misc_deregister(&mptctl_miscdev);
printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
......
drivers/message/fusion/mptscsih.c
View file @ c9793ca3
......@@ -168,8 +168,6 @@ static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
static void copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
static u32 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
static MPT_FRAME_HDR *mptscsih_search_pendingQ(MPT_SCSI_HOST *hd, int scpnt_idx);
static void post_pendingQ_commands(MPT_SCSI_HOST *hd);
static int mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout, int sleepFlag);
static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout, int sleepFlag);
......@@ -178,7 +176,7 @@ static int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
static int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
static void mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *data, int dlen);
void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56);
static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56);
static void mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq);
static void mptscsih_setDevicePage1Flags (u8 width, u8 factor, u8 offset, int *requestedPtr, int *configurationPtr, u8 flags);
static void mptscsih_no_negotiate(MPT_SCSI_HOST *hd, int target_id);
......@@ -246,6 +244,7 @@ static struct work_struct mptscsih_dvTask;
static DECLARE_WAIT_QUEUE_HEAD (scandv_waitq);
static int scandv_wait_done = 1;
/* Driver default setup
*/
static struct mptscsih_driver_setup
......@@ -895,84 +894,6 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
return 1;
}
/*
* Flush all commands on the doneQ.
* Lock Q when deleting/adding members
* Lock io_request_lock for OS callback.
*/
static void
flush_doneQ(MPT_SCSI_HOST *hd)
{
MPT_DONE_Q *buffer;
struct scsi_cmnd *SCpnt;
unsigned long flags;
/* Flush the doneQ.
*/
dtmprintk((KERN_INFO MYNAM ": flush_doneQ called\n"));
while (1) {
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (Q_IS_EMPTY(&hd->doneQ)) {
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
break;
}
buffer = hd->doneQ.head;
/* Delete from Q
*/
Q_DEL_ITEM(buffer);
/* Set the struct scsi_cmnd pointer
*/
SCpnt = (struct scsi_cmnd *) buffer->argp;
buffer->argp = NULL;
/* Add to the freeQ
*/
Q_ADD_TAIL(&hd->freeQ.head, buffer, MPT_DONE_Q);
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
/* Do the OS callback.
*/
SCpnt->scsi_done(SCpnt);
}
return;
}
/*
* Search the doneQ for a specific command. If found, delete from Q.
* Calling function will finish processing.
*/
static void
search_doneQ_for_cmd(MPT_SCSI_HOST *hd, struct scsi_cmnd *SCpnt)
{
unsigned long flags;
MPT_DONE_Q *buffer;
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (!Q_IS_EMPTY(&hd->doneQ)) {
buffer = hd->doneQ.head;
do {
struct scsi_cmnd *sc = (struct scsi_cmnd *) buffer->argp;
if (SCpnt == sc) {
Q_DEL_ITEM(buffer);
SCpnt->result = sc->result;
/* Set the struct scsi_cmnd pointer
*/
buffer->argp = NULL;
/* Add to the freeQ
*/
Q_ADD_TAIL(&hd->freeQ.head, buffer, MPT_DONE_Q);
break;
}
} while ((buffer = buffer->forw) != (MPT_DONE_Q *) &hd->doneQ);
}
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
return;
}
/*
* mptscsih_flush_running_cmds - For each command found, search
......@@ -990,10 +911,8 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
MPT_ADAPTER *ioc = hd->ioc;
struct scsi_cmnd *SCpnt;
MPT_FRAME_HDR *mf;
MPT_DONE_Q *buffer;
int ii;
int max = ioc->req_depth;
unsigned long flags;
dprintk((KERN_INFO MYNAM ": flush_ScsiLookup called\n"));
for (ii= 0; ii < max; ii++) {
......@@ -1002,11 +921,6 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
/* Command found.
*/
/* Search pendingQ, if found,
* delete from Q.
*/
mptscsih_search_pendingQ(hd, ii);
/* Null ScsiLookup index
*/
hd->ScsiLookup[ii] = NULL;
......@@ -1041,32 +955,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
/* Free Message frames */
mpt_free_msg_frame(ioc, mf);
#if 1
/* Post to doneQ, do not reply until POST phase
* of reset handler....prevents new commands from
* being queued.
*/
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (!Q_IS_EMPTY(&hd->freeQ)) {
buffer = hd->freeQ.head;
Q_DEL_ITEM(buffer);
/* Set the struct scsi_cmnd pointer
*/
buffer->argp = (void *)SCpnt;
/* Add to the doneQ
*/
Q_ADD_TAIL(&hd->doneQ.head, buffer, MPT_DONE_Q);
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
} else {
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
SCpnt->scsi_done(SCpnt);
}
#else
SCpnt->scsi_done(SCpnt); /* Issue the command callback */
#endif
}
}
......@@ -1173,7 +1062,6 @@ mptscsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct Scsi_Host *sh;
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
MPT_DONE_Q *freedoneQ;
unsigned long flags;
int sz, ii;
int numSGE = 0;
......@@ -1330,32 +1218,6 @@ mptscsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
ioc->name, hd->ScsiLookup, sz));
/* Allocate memory for free and doneQ's
*/
sz = sh->can_queue * sizeof(MPT_DONE_Q);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
error = -ENOMEM;
goto mptscsih_probe_failed;
}
memset(mem, 0xFF, sz);
hd->memQ = mem;
/* Initialize the free, done and pending Qs.
*/
Q_INIT(&hd->freeQ, MPT_DONE_Q);
Q_INIT(&hd->doneQ, MPT_DONE_Q);
Q_INIT(&hd->pendingQ, MPT_DONE_Q);
spin_lock_init(&hd->freedoneQlock);
mem = hd->memQ;
for (ii=0; ii < sh->can_queue; ii++) {
freedoneQ = (MPT_DONE_Q *) mem;
Q_ADD_TAIL(&hd->freeQ.head, freedoneQ, MPT_DONE_Q);
mem += sizeof(MPT_DONE_Q);
}
/* Initialize this Scsi_Host
* internal task Q.
*/
......@@ -1445,10 +1307,6 @@ mptscsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
#ifndef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
#endif
if (driver_setup.dv == 0) {
hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
}
ioc->spi_data.forceDv = 0;
for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
ioc->spi_data.dvStatus[ii] =
......@@ -1531,7 +1389,6 @@ mptscsih_remove(struct pci_dev *pdev)
hd = (MPT_SCSI_HOST *)host->hostdata;
if (hd != NULL) {
int sz1, sz3, sztarget=0;
int szQ = 0;
mptscsih_shutdown(&pdev->dev);
......@@ -1543,12 +1400,6 @@ mptscsih_remove(struct pci_dev *pdev)
hd->ScsiLookup = NULL;
}
if (hd->memQ != NULL) {
szQ = host->can_queue * sizeof(MPT_DONE_Q);
kfree(hd->memQ);
hd->memQ = NULL;
}
if (hd->Targets != NULL) {
int max, ii;
......@@ -1760,7 +1611,7 @@ mptscsih_exit(void)
*
* Returns pointer to buffer where information was written.
*/
const char *
static const char *
mptscsih_info(struct Scsi_Host *SChost)
{
MPT_SCSI_HOST *h;
......@@ -1975,7 +1826,8 @@ static int mptscsih_user_command(MPT_ADAPTER *ioc, char *buffer, int length)
* hostno: scsi host number
* func: if write = 1; if read = 0
*/
int mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
static int
mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
int length, int func)
{
MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
......@@ -2010,15 +1862,13 @@ int mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t
*
* Returns 0. (rtn value discarded by linux scsi mid-layer)
*/
int
static int
mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
{
MPT_SCSI_HOST *hd;
MPT_FRAME_HDR *mf;
SCSIIORequest_t *pScsiReq;
VirtDevice *pTarget;
MPT_DONE_Q *buffer;
unsigned long flags;
int target;
int lun;
u32 datalen;
......@@ -2043,16 +1893,9 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
(hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt, done));
if (hd->resetPending) {
/* Prevent new commands from being issued
* while reloading the FW. Reset timer to 60 seconds,
* as the FW can take some time to come ready.
* For New EH, cmds on doneQ posted to FW.
*/
did_errcode = 1;
mod_timer(&SCpnt->eh_timeout, jiffies + (HZ * 60));
dtmprintk((MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
(hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt));
goto did_error;
return SCSI_MLQUEUE_HOST_BUSY;
}
/*
......@@ -2061,8 +1904,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
if ((mf = mpt_get_msg_frame(ScsiDoneCtx, hd->ioc)) == NULL) {
dprintk((MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
hd->ioc->name));
did_errcode = 2;
goto did_error;
return SCSI_MLQUEUE_HOST_BUSY;
}
pScsiReq = (SCSIIORequest_t *) mf;
......@@ -2211,64 +2053,17 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
dmfprintk((MYIOC_s_INFO_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
hd->ioc->name, SCpnt, mf, my_idx));
DBG_DUMP_REQUEST_FRAME(mf)
} else {
ddvtprintk((MYIOC_s_INFO_FMT "Pending cmd=%p idx %d\n",
hd->ioc->name, SCpnt, my_idx));
/* Place this command on the pendingQ if possible */
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (!Q_IS_EMPTY(&hd->freeQ)) {
buffer = hd->freeQ.head;
Q_DEL_ITEM(buffer);
/* Save the mf pointer
*/
buffer->argp = (void *)mf;
/* Add to the pendingQ
*/
Q_ADD_TAIL(&hd->pendingQ.head, buffer, MPT_DONE_Q);
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
} else {
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
SCpnt->result = (DID_BUS_BUSY << 16);
SCpnt->scsi_done(SCpnt);
}
}
} else {
mptscsih_freeChainBuffers(hd->ioc, my_idx);
mpt_free_msg_frame(hd->ioc, mf);
did_errcode = 3;
goto did_error;
}
} else
goto fail;
} else
goto fail;
return 0;
did_error:
dprintk((MYIOC_s_WARN_FMT "_qcmd did_errcode=%d (sc=%p)\n",
hd->ioc->name, did_errcode, SCpnt));
/* Just wish OS to issue a retry */
SCpnt->result = (DID_BUS_BUSY << 16);
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (!Q_IS_EMPTY(&hd->freeQ)) {
dtmprintk((MYIOC_s_WARN_FMT "SCpnt=%p to doneQ\n",
(hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt));
buffer = hd->freeQ.head;
Q_DEL_ITEM(buffer);
/* Set the scsi_cmnd pointer
*/
buffer->argp = (void *)SCpnt;
/* Add to the doneQ
*/
Q_ADD_TAIL(&hd->doneQ.head, buffer, MPT_DONE_Q);
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
} else {
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
SCpnt->scsi_done(SCpnt);
}
return 0;
fail:
mptscsih_freeChainBuffers(hd->ioc, my_idx);
mpt_free_msg_frame(hd->ioc, mf);
return SCSI_MLQUEUE_HOST_BUSY;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
......@@ -2538,7 +2333,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
del_timer(&hd->TMtimer);
mpt_free_msg_frame(hd->ioc, mf);
}
return retval;
}
......@@ -2551,10 +2346,11 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
*
* Returns SUCCESS or FAILED.
*/
int
static int
mptscsih_abort(struct scsi_cmnd * SCpnt)
{
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc;
MPT_FRAME_HDR *mf;
u32 ctx2abort;
int scpnt_idx;
......@@ -2571,6 +2367,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
return FAILED;
}
ioc = hd->ioc;
if (hd->resetPending)
return FAILED;
......@@ -2583,11 +2380,9 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
/* Find this command
*/
if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) {
/* Cmd not found in ScsiLookup. If found in
* doneQ, delete from Q. Do OS callback.
/* Cmd not found in ScsiLookup.
* Do OS callback.
*/
search_doneQ_for_cmd(hd, SCpnt);
SCpnt->result = DID_RESET << 16;
dtmprintk((KERN_WARNING MYNAM ": %s: mptscsih_abort: "
"Command not in the active list! (sc=%p)\n",
......@@ -2595,18 +2390,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
return SUCCESS;
}
/* If this command is pended, then timeout/hang occurred
* during DV. Post command and flush pending Q
* and then following up with the reset request.
*/
if ((mf = mptscsih_search_pendingQ(hd, scpnt_idx)) != NULL) {
mpt_put_msg_frame(ScsiDoneCtx, hd->ioc, mf);
post_pendingQ_commands(hd);
dtmprintk((KERN_WARNING MYNAM ": %s: mptscsih_abort: "
"Posting pended cmd! (sc=%p)\n",
hd->ioc->name, SCpnt));
}
/* Most important! Set TaskMsgContext to SCpnt's MsgContext!
* (the IO to be ABORT'd)
*
......@@ -2616,7 +2399,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
*/
mf = MPT_INDEX_2_MFPTR(hd->ioc, scpnt_idx);
ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
hd->abortSCpnt = SCpnt;
spin_unlock_irq(host_lock);
......@@ -2635,12 +2418,26 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
*/
hd->tmPending = 0;
hd->tmState = TM_STATE_NONE;
spin_lock_irq(host_lock);
/* Unmap the DMA buffers, if any. */
if (SCpnt->use_sg) {
pci_unmap_sg(ioc->pcidev, (struct scatterlist *) SCpnt->request_buffer,
SCpnt->use_sg, SCpnt->sc_data_direction);
} else if (SCpnt->request_bufflen) {
pci_unmap_single(ioc->pcidev, SCpnt->SCp.dma_handle,
SCpnt->request_bufflen, SCpnt->sc_data_direction);
}
hd->ScsiLookup[scpnt_idx] = NULL;
SCpnt->result = DID_RESET << 16;
SCpnt->scsi_done(SCpnt); /* Issue the command callback */
mptscsih_freeChainBuffers(ioc, scpnt_idx);
mpt_free_msg_frame(ioc, mf);
return FAILED;
}
spin_lock_irq(host_lock);
return FAILED;
return SUCCESS;
}
......@@ -2653,7 +2450,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
*
* Returns SUCCESS or FAILED.
*/
int
static int
mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
{
MPT_SCSI_HOST *hd;
......@@ -2708,7 +2505,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
*
* Returns SUCCESS or FAILED.
*/
int
static int
mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
{
MPT_SCSI_HOST *hd;
......@@ -2760,7 +2557,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
*
* Returns SUCCESS or FAILED.
*/
int
static int
mptscsih_host_reset(struct scsi_cmnd *SCpnt)
{
MPT_SCSI_HOST * hd;
......@@ -2919,7 +2716,6 @@ mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *m
dtmprintk((MYIOC_s_WARN_FMT " TaskMgmt SUCCESS\n", ioc->name));
hd->abortSCpnt = NULL;
flush_doneQ(hd);
}
}
......@@ -2937,7 +2733,7 @@ mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *m
/*
* This is anyones guess quite frankly.
*/
int
static int
mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
sector_t capacity, int geom[])
{
......@@ -2984,7 +2780,7 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
* Return non-zero if allocation fails.
* Init memory once per id (not LUN).
*/
int
static int
mptscsih_slave_alloc(struct scsi_device *device)
{
struct Scsi_Host *host = device->host;
......@@ -3033,7 +2829,7 @@ mptscsih_slave_alloc(struct scsi_device *device)
* OS entry point to allow for host driver to free allocated memory
* Called if no device present or device being unloaded
*/
void
static void
mptscsih_slave_destroy(struct scsi_device *device)
{
struct Scsi_Host *host = device->host;
......@@ -3098,7 +2894,7 @@ mptscsih_slave_destroy(struct scsi_device *device)
* member to 1 if a device does not support Q tags.
* Return non-zero if fails.
*/
int
static int
mptscsih_slave_configure(struct scsi_device *device)
{
struct Scsi_Host *sh = device->host;
......@@ -3257,102 +3053,6 @@ SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc)
return -1;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/* Search the pendingQ for a command with specific index.
* If found, delete and return mf pointer
* If not found, return NULL
*/
static MPT_FRAME_HDR *
mptscsih_search_pendingQ(MPT_SCSI_HOST *hd, int scpnt_idx)
{
unsigned long flags;
MPT_DONE_Q *buffer;
MPT_FRAME_HDR *mf = NULL;
MPT_FRAME_HDR *cmdMfPtr;
ddvtprintk((MYIOC_s_INFO_FMT ": search_pendingQ ...", hd->ioc->name));
cmdMfPtr = MPT_INDEX_2_MFPTR(hd->ioc, scpnt_idx);
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (!Q_IS_EMPTY(&hd->pendingQ)) {
buffer = hd->pendingQ.head;
do {
mf = (MPT_FRAME_HDR *) buffer->argp;
if (mf == cmdMfPtr) {
Q_DEL_ITEM(buffer);
/* clear the arg pointer
*/
buffer->argp = NULL;
/* Add to the freeQ
*/
Q_ADD_TAIL(&hd->freeQ.head, buffer, MPT_DONE_Q);
break;
}
mf = NULL;
} while ((buffer = buffer->forw) != (MPT_DONE_Q *) &hd->pendingQ);
}
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
ddvtprintk((" ...return %p\n", mf));
return mf;
}
/* Post all commands on the pendingQ to the FW.
* Lock Q when deleting/adding members
* Lock io_request_lock for OS callback.
*/
static void
post_pendingQ_commands(MPT_SCSI_HOST *hd)
{
MPT_FRAME_HDR *mf;
MPT_DONE_Q *buffer;
unsigned long flags;
/* Flush the pendingQ.
*/
ddvtprintk((MYIOC_s_INFO_FMT ": post_pendingQ_commands\n", hd->ioc->name));
while (1) {
spin_lock_irqsave(&hd->freedoneQlock, flags);
if (Q_IS_EMPTY(&hd->pendingQ)) {
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
break;
}
buffer = hd->pendingQ.head;
/* Delete from Q
*/
Q_DEL_ITEM(buffer);
mf = (MPT_FRAME_HDR *) buffer->argp;
buffer->argp = NULL;
/* Add to the freeQ
*/
Q_ADD_TAIL(&hd->freeQ.head, buffer, MPT_DONE_Q);
spin_unlock_irqrestore(&hd->freedoneQlock, flags);
if (!mf) {
/* This should never happen */
printk(MYIOC_s_WARN_FMT "post_pendingQ_commands: mf %p\n", hd->ioc->name, (void *) mf);
continue;
}
mpt_put_msg_frame(ScsiDoneCtx, hd->ioc, mf);
#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
{
u16 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
struct scsi_cmnd *sc = hd->ScsiLookup[req_idx];
printk(MYIOC_s_INFO_FMT "Issued SCSI cmd (sc=%p) idx=%d (mf=%p)\n",
hd->ioc->name, sc, req_idx, mf);
}
#endif
}
return;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
static int
mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
......@@ -3472,11 +3172,7 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
hd->cmdPtr = NULL;
}
/* 7. Flush doneQ
*/
flush_doneQ(hd);
/* 8. Set flag to force DV and re-read IOC Page 3
/* 7. Set flag to force DV and re-read IOC Page 3
*/
if (hd->is_spi) {
ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
......@@ -3743,7 +3439,8 @@ mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *
* the Inquiry data, adapter capabilities, and NVRAM settings.
*
*/
void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56)
static void
mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56)
{
ScsiCfgData *pspi_data = &hd->ioc->spi_data;
int id = (int) target->target_id;
......@@ -5175,11 +4872,6 @@ mptscsih_domainValidation(void *arg)
}
}
/* Post OS IOs that were pended while
* DV running.
*/
post_pendingQ_commands(hd);
if (hd->ioc->spi_data.noQas)
mptscsih_qas_check(hd, id);
}
......@@ -5712,6 +5404,10 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
}
}
ddvprintk((MYIOC_s_NOTE_FMT "DV: Basic test on id=%d completed OK.\n", ioc->name, id));
if (driver_setup.dv == 0)
goto target_done;
inq0 = (*pbuf1) & 0x1F;
/* Continue only for disks
......
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