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path: root/drivers/message/fusion
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-rw-r--r--drivers/message/fusion/mptbase.c220
-rw-r--r--drivers/message/fusion/mptbase.h33
-rw-r--r--drivers/message/fusion/mptctl.c5
-rw-r--r--drivers/message/fusion/mptfc.c6
-rw-r--r--drivers/message/fusion/mptlan.c16
-rw-r--r--drivers/message/fusion/mptsas.c8
-rw-r--r--drivers/message/fusion/mptspi.c6
7 files changed, 150 insertions, 144 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 7ef86cb3aa5..8cf0f5155e2 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -102,8 +102,6 @@ static int mfcounter = 0;
/*
* 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_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
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 @@ static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
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_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
{
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 @@ mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
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 @@ mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
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 @@ mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
}
/* 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_reply(MPT_ADAPTER *ioc, u32 pa)
{
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_reply(MPT_ADAPTER *ioc, u32 pa)
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 @@ mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
* 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 @@ mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
* 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 @@ mpt_deregister(int cb_idx)
* 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 @@ mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc)
* 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 @@ mpt_event_deregister(int cb_idx)
* 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 @@ mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func)
* 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 @@ mpt_reset_deregister(int cb_idx)
* @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 @@ mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
* @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_device_driver_deregister(int cb_idx)
/**
* 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 @@ mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc)
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 @@ mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc)
#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_get_msg_frame(int handle, MPT_ADAPTER *ioc)
/**
* 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 @@ mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc)
* 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(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
/**
* 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 @@ mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
* 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_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* 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 @@ mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
* 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 @@ mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req,
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 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
u32 msize;
u32 psize;
int ii;
+ u8 cb_idx;
int r = -ENODEV;
u8 revision;
u8 pcixcmd;
@@ -1655,10 +1673,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* 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_detach(struct pci_dev *pdev)
{
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 @@ mpt_detach(struct pci_dev *pdev)
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 @@ mpt_resume(struct pci_dev *pdev)
#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 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
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 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
*/
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 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
* 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 @@ procmpt_summary_read(char *buf, char **start, off_t offset, int request, int *eo
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 @@ procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eo
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 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
* 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 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
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 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
/*
* 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_send_handshake_request);
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 @@ EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
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 012be5ea906..04ef0a37a76 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -679,9 +679,9 @@ typedef struct _MPT_ADAPTER
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 void mpt_detach(struct pci_dev *pdev);
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 int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhys
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 dce1e9c2cdc..89cab5798e3 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -83,7 +83,7 @@ MODULE_VERSION(my_VERSION);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-static int mptctl_id = -1;
+static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
@@ -2936,7 +2936,8 @@ static int __init mptctl_init(void)
* 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 8422c25e4a3..2b3e27a5803 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -90,9 +90,9 @@ static int max_lun = MPTFC_MAX_LUN;
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 01fc397fdd9..9d9eb761934 100644
--- a/drivers/message/fusion/mptlan.c
+++ b/drivers/message/fusion/mptlan.c
@@ -154,7 +154,7 @@ static unsigned short mpt_lan_type_trans(struct sk_buff *skb,
/*
* 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 @@ DEFINE_RWLOCK(bad_naa_lock);
#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 @@ static int __init mpt_lan_init (void)
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 @@ static void __exit mpt_lan_exit(void)
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 fe3b505b895..ffbf0e59200 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -89,10 +89,10 @@ static int max_lun = MPTSAS_MAX_LUN;
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 25df3bfdcb0..f0618c5ae26 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -90,9 +90,9 @@ static int mptspi_write_spi_device_pg1(struct scsi_target *,
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 23:59:42 +0000