[SCSI] mpt fusion: Change call back indices to u8 from int
The call back index requires only u8 but in lot of places it is
referred as int, now everywhere the call back index variables are
declared as u8 with uniform name cb_idx
signed-off-by: Sathya Prakash <sathya.prakash@lsi.com>
Acked-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 7ef86cb..8cf0f51 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -102,8 +102,6 @@
/*
* Public data...
*/
-int mpt_lan_index = -1;
-int mpt_stm_index = -1;
struct proc_dir_entry *mpt_proc_root_dir;
@@ -125,11 +123,14 @@
static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
-static int mpt_base_index = -1;
-static int last_drv_idx = -1;
-
static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);
+/*
+ * Driver Callback Index's
+ */
+static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 last_drv_idx;
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* Forward protos...
@@ -235,6 +236,23 @@
return 0;
}
+/**
+ * mpt_get_cb_idx - obtain cb_idx for registered driver
+ * @dclass: class driver enum
+ *
+ * Returns cb_idx, or zero means it wasn't found
+ **/
+static u8
+mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
+{
+ u8 cb_idx;
+
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
+ if (MptDriverClass[cb_idx] == dclass)
+ return cb_idx;
+ return 0;
+}
+
/*
* Process turbo (context) reply...
*/
@@ -243,8 +261,8 @@
{
MPT_FRAME_HDR *mf = NULL;
MPT_FRAME_HDR *mr = NULL;
- int req_idx = 0;
- int cb_idx;
+ u16 req_idx = 0;
+ u8 cb_idx;
dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
ioc->name, pa));
@@ -256,7 +274,7 @@
mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
break;
case MPI_CONTEXT_REPLY_TYPE_LAN:
- cb_idx = mpt_lan_index;
+ cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
/*
* Blind set of mf to NULL here was fatal
* after lan_reply says "freeme"
@@ -277,7 +295,7 @@
mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
break;
case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
- cb_idx = mpt_stm_index;
+ cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
break;
default:
@@ -286,7 +304,7 @@
}
/* Check for (valid) IO callback! */
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
MptCallbacks[cb_idx] == NULL) {
printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
__FUNCTION__, ioc->name, cb_idx);
@@ -304,8 +322,8 @@
{
MPT_FRAME_HDR *mf;
MPT_FRAME_HDR *mr;
- int req_idx;
- int cb_idx;
+ u16 req_idx;
+ u8 cb_idx;
int freeme;
u32 reply_dma_low;
@@ -350,7 +368,7 @@
mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
/* Check for (valid) IO callback! */
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
MptCallbacks[cb_idx] == NULL) {
printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
__FUNCTION__, ioc->name, cb_idx);
@@ -563,28 +581,27 @@
* in order to register separate callbacks; one for "normal" SCSI IO;
* one for MptScsiTaskMgmt requests; one for Scan/DV requests.
*
- * Returns a positive integer valued "handle" in the
- * range (and S.O.D. order) {N,...,7,6,5,...,1} if successful.
- * Any non-positive return value (including zero!) should be considered
- * an error by the caller.
+ * Returns u8 valued "handle" in the range (and S.O.D. order)
+ * {N,...,7,6,5,...,1} if successful.
+ * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
+ * considered an error by the caller.
*/
-int
+u8
mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
{
- int i;
-
- last_drv_idx = -1;
+ u8 cb_idx;
+ last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
/*
* Search for empty callback slot in this order: {N,...,7,6,5,...,1}
* (slot/handle 0 is reserved!)
*/
- for (i = MPT_MAX_PROTOCOL_DRIVERS-1; i; i--) {
- if (MptCallbacks[i] == NULL) {
- MptCallbacks[i] = cbfunc;
- MptDriverClass[i] = dclass;
- MptEvHandlers[i] = NULL;
- last_drv_idx = i;
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptCallbacks[cb_idx] == NULL) {
+ MptCallbacks[cb_idx] = cbfunc;
+ MptDriverClass[cb_idx] = dclass;
+ MptEvHandlers[cb_idx] = NULL;
+ last_drv_idx = cb_idx;
break;
}
}
@@ -601,9 +618,9 @@
* module is unloaded.
*/
void
-mpt_deregister(int cb_idx)
+mpt_deregister(u8 cb_idx)
{
- if ((cb_idx >= 0) && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
+ if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
MptCallbacks[cb_idx] = NULL;
MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
MptEvHandlers[cb_idx] = NULL;
@@ -625,9 +642,9 @@
* Returns 0 for success.
*/
int
-mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc)
+mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
{
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return -1;
MptEvHandlers[cb_idx] = ev_cbfunc;
@@ -645,9 +662,9 @@
* or when its module is unloaded.
*/
void
-mpt_event_deregister(int cb_idx)
+mpt_event_deregister(u8 cb_idx)
{
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return;
MptEvHandlers[cb_idx] = NULL;
@@ -665,9 +682,9 @@
* Returns 0 for success.
*/
int
-mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func)
+mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
{
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return -1;
MptResetHandlers[cb_idx] = reset_func;
@@ -684,9 +701,9 @@
* or when its module is unloaded.
*/
void
-mpt_reset_deregister(int cb_idx)
+mpt_reset_deregister(u8 cb_idx)
{
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return;
MptResetHandlers[cb_idx] = NULL;
@@ -699,12 +716,12 @@
* @cb_idx: MPT protocol driver index
*/
int
-mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
+mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
{
MPT_ADAPTER *ioc;
const struct pci_device_id *id;
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return -EINVAL;
MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
@@ -726,12 +743,12 @@
* @cb_idx: MPT protocol driver index
*/
void
-mpt_device_driver_deregister(int cb_idx)
+mpt_device_driver_deregister(u8 cb_idx)
{
struct mpt_pci_driver *dd_cbfunc;
MPT_ADAPTER *ioc;
- if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
+ if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
return;
dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
@@ -749,14 +766,14 @@
/**
* mpt_get_msg_frame - Obtain a MPT request frame from the pool (of 1024)
* allocated per MPT adapter.
- * @handle: Handle of registered MPT protocol driver
+ * @cb_idx: Handle of registered MPT protocol driver
* @ioc: Pointer to MPT adapter structure
*
* Returns pointer to a MPT request frame or %NULL if none are available
* or IOC is not active.
*/
MPT_FRAME_HDR*
-mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc)
+mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
{
MPT_FRAME_HDR *mf;
unsigned long flags;
@@ -781,7 +798,7 @@
u.frame.linkage.list);
list_del(&mf->u.frame.linkage.list);
mf->u.frame.linkage.arg1 = 0;
- mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle; /* byte */
+ mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
/* u16! */
req_idx = req_offset / ioc->req_sz;
@@ -805,7 +822,7 @@
#endif
dmfprintk(ioc, printk(KERN_INFO MYNAM ": %s: mpt_get_msg_frame(%d,%d), got mf=%p\n",
- ioc->name, handle, ioc->id, mf));
+ ioc->name, cb_idx, ioc->id, mf));
return mf;
}
@@ -813,7 +830,7 @@
/**
* mpt_put_msg_frame - Send a protocol specific MPT request frame
* to a IOC.
- * @handle: Handle of registered MPT protocol driver
+ * @cb_idx: Handle of registered MPT protocol driver
* @ioc: Pointer to MPT adapter structure
* @mf: Pointer to MPT request frame
*
@@ -821,14 +838,14 @@
* specific MPT adapter.
*/
void
-mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
+mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
{
u32 mf_dma_addr;
int req_offset;
u16 req_idx; /* Request index */
/* ensure values are reset properly! */
- mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle; /* byte */
+ mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
/* u16! */
req_idx = req_offset / ioc->req_sz;
@@ -845,7 +862,7 @@
/**
* mpt_put_msg_frame_hi_pri - Send a protocol specific MPT request frame
* to a IOC using hi priority request queue.
- * @handle: Handle of registered MPT protocol driver
+ * @cb_idx: Handle of registered MPT protocol driver
* @ioc: Pointer to MPT adapter structure
* @mf: Pointer to MPT request frame
*
@@ -853,14 +870,14 @@
* specific MPT adapter.
**/
void
-mpt_put_msg_frame_hi_pri(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
+mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
{
u32 mf_dma_addr;
int req_offset;
u16 req_idx; /* Request index */
/* ensure values are reset properly! */
- mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;
+ mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
req_idx = req_offset / ioc->req_sz;
mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
@@ -931,7 +948,7 @@
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mpt_send_handshake_request - Send MPT request via doorbell handshake method.
- * @handle: Handle of registered MPT protocol driver
+ * @cb_idx: Handle of registered MPT protocol driver
* @ioc: Pointer to MPT adapter structure
* @reqBytes: Size of the request in bytes
* @req: Pointer to MPT request frame
@@ -946,7 +963,7 @@
* Returns 0 for success, non-zero for failure.
*/
int
-mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
+mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
{
int r = 0;
u8 *req_as_bytes;
@@ -966,7 +983,7 @@
if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
- mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;
+ mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
}
/* Make sure there are no doorbells */
@@ -1432,6 +1449,7 @@
u32 msize;
u32 psize;
int ii;
+ u8 cb_idx;
int r = -ENODEV;
u8 revision;
u8 pcixcmd;
@@ -1655,10 +1673,10 @@
}
/* call per device driver probe entry point */
- for(ii=0; ii<MPT_MAX_PROTOCOL_DRIVERS; ii++) {
- if(MptDeviceDriverHandlers[ii] &&
- MptDeviceDriverHandlers[ii]->probe) {
- MptDeviceDriverHandlers[ii]->probe(pdev,id);
+ for(cb_idx=0; cb_idx<MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
+ if(MptDeviceDriverHandlers[cb_idx] &&
+ MptDeviceDriverHandlers[cb_idx]->probe) {
+ MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
}
}
@@ -1695,7 +1713,7 @@
{
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
char pname[32];
- int ii;
+ u8 cb_idx;
sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
remove_proc_entry(pname, NULL);
@@ -1705,10 +1723,10 @@
remove_proc_entry(pname, NULL);
/* call per device driver remove entry point */
- for(ii=0; ii<MPT_MAX_PROTOCOL_DRIVERS; ii++) {
- if(MptDeviceDriverHandlers[ii] &&
- MptDeviceDriverHandlers[ii]->remove) {
- MptDeviceDriverHandlers[ii]->remove(pdev);
+ for(cb_idx=0; cb_idx<MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
+ if(MptDeviceDriverHandlers[cb_idx] &&
+ MptDeviceDriverHandlers[cb_idx]->remove) {
+ MptDeviceDriverHandlers[cb_idx]->remove(pdev);
}
}
@@ -1820,7 +1838,7 @@
#endif
static int
-mpt_signal_reset(int index, MPT_ADAPTER *ioc, int reset_phase)
+mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
{
if ((MptDriverClass[index] == MPTSPI_DRIVER &&
ioc->bus_type != SPI) ||
@@ -1862,6 +1880,7 @@
int hard;
int rc=0;
int ii;
+ u8 cb_idx;
int handlers;
int ret = 0;
int reset_alt_ioc_active = 0;
@@ -2146,20 +2165,20 @@
*/
if (hard_reset_done) {
rc = handlers = 0;
- for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
- if ((ret == 0) && MptResetHandlers[ii]) {
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if ((ret == 0) && MptResetHandlers[cb_idx]) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling IOC post_reset handler #%d\n",
- ioc->name, ii));
- rc += mpt_signal_reset(ii, ioc, MPT_IOC_POST_RESET);
+ ioc->name, cb_idx));
+ rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
handlers++;
}
- if (alt_ioc_ready && MptResetHandlers[ii]) {
+ if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling alt-%s post_reset handler #%d\n",
- ioc->name, ioc->alt_ioc->name, ii));
- rc += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_POST_RESET);
+ ioc->name, ioc->alt_ioc->name, cb_idx));
+ rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
handlers++;
}
}
@@ -3592,20 +3611,20 @@
* MptResetHandlers[] registered yet.
*/
{
- int ii;
+ u8 cb_idx;
int r = 0;
- for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
- if (MptResetHandlers[ii]) {
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptResetHandlers[cb_idx]) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling IOC pre_reset handler #%d\n",
- ioc->name, ii));
- r += mpt_signal_reset(ii, ioc, MPT_IOC_PRE_RESET);
+ ioc->name, cb_idx));
+ r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
if (ioc->alt_ioc) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling alt-%s pre_reset handler #%d\n",
- ioc->name, ioc->alt_ioc->name, ii));
- r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_PRE_RESET);
+ ioc->name, ioc->alt_ioc->name, cb_idx));
+ r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_PRE_RESET);
}
}
}
@@ -5907,7 +5926,7 @@
static int
procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
{
- int ii;
+ u8 cb_idx;
int scsi, fc, sas, lan, ctl, targ, dmp;
char *drvname;
int len;
@@ -5916,10 +5935,10 @@
len += sprintf(buf+len, " Fusion MPT base driver\n");
scsi = fc = sas = lan = ctl = targ = dmp = 0;
- for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
+ for (cb_idx=MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
drvname = NULL;
- if (MptCallbacks[ii]) {
- switch (MptDriverClass[ii]) {
+ if (MptCallbacks[cb_idx]) {
+ switch (MptDriverClass[cb_idx]) {
case MPTSPI_DRIVER:
if (!scsi++) drvname = "SPI host";
break;
@@ -6163,18 +6182,18 @@
* For all other protocol drivers, this is a no-op.
*/
{
- int ii;
+ u8 cb_idx;
int r = 0;
- for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
- if (MptResetHandlers[ii]) {
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptResetHandlers[cb_idx]) {
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling IOC reset_setup handler #%d\n",
- ioc->name, ii));
- r += mpt_signal_reset(ii, ioc, MPT_IOC_SETUP_RESET);
+ ioc->name, cb_idx));
+ r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
if (ioc->alt_ioc) {
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling alt-%s setup reset handler #%d\n",
- ioc->name, ioc->alt_ioc->name, ii));
- r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
+ ioc->name, ioc->alt_ioc->name, cb_idx));
+ r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
}
}
}
@@ -6579,6 +6598,7 @@
u32 evData0 = 0;
// u32 evCtx;
int ii;
+ u8 cb_idx;
int r = 0;
int handlers = 0;
char evStr[EVENT_DESCR_STR_SZ];
@@ -6659,11 +6679,11 @@
/*
* Call each currently registered protocol event handler.
*/
- for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
- if (MptEvHandlers[ii]) {
+ for (cb_idx=MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptEvHandlers[cb_idx]) {
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Routing Event to event handler #%d\n",
- ioc->name, ii));
- r += (*(MptEvHandlers[ii]))(ioc, pEventReply);
+ ioc->name, cb_idx));
+ r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
handlers++;
}
}
@@ -7354,8 +7374,6 @@
EXPORT_SYMBOL(mpt_verify_adapter);
EXPORT_SYMBOL(mpt_GetIocState);
EXPORT_SYMBOL(mpt_print_ioc_summary);
-EXPORT_SYMBOL(mpt_lan_index);
-EXPORT_SYMBOL(mpt_stm_index);
EXPORT_SYMBOL(mpt_HardResetHandler);
EXPORT_SYMBOL(mpt_config);
EXPORT_SYMBOL(mpt_findImVolumes);
@@ -7373,16 +7391,16 @@
static int __init
fusion_init(void)
{
- int i;
+ u8 cb_idx;
show_mptmod_ver(my_NAME, my_VERSION);
printk(KERN_INFO COPYRIGHT "\n");
- for (i = 0; i < MPT_MAX_PROTOCOL_DRIVERS; i++) {
- MptCallbacks[i] = NULL;
- MptDriverClass[i] = MPTUNKNOWN_DRIVER;
- MptEvHandlers[i] = NULL;
- MptResetHandlers[i] = NULL;
+ for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
+ MptCallbacks[cb_idx] = NULL;
+ MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
+ MptEvHandlers[cb_idx] = NULL;
+ MptResetHandlers[cb_idx] = NULL;
}
/* Register ourselves (mptbase) in order to facilitate
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 012be5e..04ef0a3 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -679,9 +679,9 @@
u8 reload_fw; /* Force a FW Reload on next reset */
u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
u8 pad1[4];
- int DoneCtx;
- int TaskCtx;
- int InternalCtx;
+ u8 DoneCtx;
+ u8 TaskCtx;
+ u8 InternalCtx;
spinlock_t initializing_hba_lock;
int initializing_hba_lock_flag;
struct list_head list;
@@ -883,21 +883,21 @@
extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
extern int mpt_resume(struct pci_dev *pdev);
#endif
-extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
-extern void mpt_deregister(int cb_idx);
-extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
-extern void mpt_event_deregister(int cb_idx);
-extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
-extern void mpt_reset_deregister(int cb_idx);
-extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
-extern void mpt_device_driver_deregister(int cb_idx);
-extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
+extern u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
+extern void mpt_deregister(u8 cb_idx);
+extern int mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
+extern void mpt_event_deregister(u8 cb_idx);
+extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
+extern void mpt_reset_deregister(u8 cb_idx);
+extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
+extern void mpt_device_driver_deregister(u8 cb_idx);
+extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
-extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
-extern void mpt_put_msg_frame_hi_pri(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
+extern void mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
+extern void mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
-extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
+extern int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
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);
@@ -915,9 +915,6 @@
extern struct list_head ioc_list;
extern struct proc_dir_entry *mpt_proc_root_dir;
-extern int mpt_lan_index; /* needed by mptlan.c */
-extern int mpt_stm_index; /* needed by mptstm.c */
-
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif /* } __KERNEL__ */
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index dce1e9c..89cab57 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -83,7 +83,7 @@
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-static int mptctl_id = -1;
+static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
@@ -2936,7 +2936,8 @@
* Install our handler
*/
++where;
- if ((mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER)) < 0) {
+ mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER);
+ if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
misc_deregister(&mptctl_miscdev);
err = -EBUSY;
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 8422c25..2b3e27a 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -90,9 +90,9 @@
module_param(max_lun, int, 0);
MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
-static int mptfcDoneCtx = -1;
-static int mptfcTaskCtx = -1;
-static int mptfcInternalCtx = -1; /* Used only for internal commands */
+static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
static int mptfc_target_alloc(struct scsi_target *starget);
static int mptfc_slave_alloc(struct scsi_device *sdev);
diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c
index 01fc397..9d9eb76 100644
--- a/drivers/message/fusion/mptlan.c
+++ b/drivers/message/fusion/mptlan.c
@@ -154,7 +154,7 @@
/*
* Fusion MPT LAN private data
*/
-static int LanCtx = -1;
+static u8 LanCtx = MPT_MAX_PROTOCOL_DRIVERS;
static u32 max_buckets_out = 127;
static u32 tx_max_out_p = 127 - 16;
@@ -165,12 +165,6 @@
#endif
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
- * Fusion MPT LAN external data
- */
-extern int mpt_lan_index;
-
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* lan_reply - Handle all data sent from the hardware.
* @ioc: Pointer to MPT_ADAPTER structure
@@ -1510,9 +1504,6 @@
return -EBUSY;
}
- /* Set the callback index to be used by driver core for turbo replies */
- mpt_lan_index = LanCtx;
-
dlprintk((KERN_INFO MYNAM ": assigned context of %d\n", LanCtx));
if (mpt_reset_register(LanCtx, mpt_lan_ioc_reset)) {
@@ -1533,10 +1524,9 @@
mpt_device_driver_deregister(MPTLAN_DRIVER);
mpt_reset_deregister(LanCtx);
- if (LanCtx >= 0) {
+ if (LanCtx) {
mpt_deregister(LanCtx);
- LanCtx = -1;
- mpt_lan_index = 0;
+ LanCtx = MPT_MAX_PROTOCOL_DRIVERS;
}
}
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index fe3b505..ffbf0e5 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -89,10 +89,10 @@
module_param(max_lun, int, 0);
MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
-static int mptsasDoneCtx = -1;
-static int mptsasTaskCtx = -1;
-static int mptsasInternalCtx = -1; /* Used only for internal commands */
-static int mptsasMgmtCtx = -1;
+static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
+static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
static void mptsas_hotplug_work(struct work_struct *work);
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 25df3bf..f0618c5 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -90,9 +90,9 @@
static struct scsi_transport_template *mptspi_transport_template = NULL;
-static int mptspiDoneCtx = -1;
-static int mptspiTaskCtx = -1;
-static int mptspiInternalCtx = -1; /* Used only for internal commands */
+static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
/**
* mptspi_setTargetNegoParms - Update the target negotiation parameters