From e382968ba618e016ff7922dff9a6140c2f9108c8 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 8 Jan 2009 14:27:16 +0530
Subject: [SCSI] mpt fusion: Add separate msi enable disable for FC,SPI,SAS
Added support for MSI enable/disable for different buses FC,SPI,SAS
instead of having single MSI enable/disable feature.
Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
drivers/message/fusion/mptbase.c | 50 +++++++++++++++++++++++++++++-----------
1 file changed, 37 insertions(+), 13 deletions(-)
(limited to 'drivers/message/fusion/mptbase.c')
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index c4e8b9aa382..787a12648db 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -79,9 +79,22 @@ MODULE_VERSION(my_VERSION);
/*
* cmd line parameters
*/
-static int mpt_msi_enable = -1;
-module_param(mpt_msi_enable, int, 0);
-MODULE_PARM_DESC(mpt_msi_enable, " MSI Support Enable (default=0)");
+
+static int mpt_msi_enable_spi;
+module_param(mpt_msi_enable_spi, int, 0);
+MODULE_PARM_DESC(mpt_msi_enable_spi, " Enable MSI Support for SPI \
+ controllers (default=0)");
+
+static int mpt_msi_enable_fc;
+module_param(mpt_msi_enable_fc, int, 0);
+MODULE_PARM_DESC(mpt_msi_enable_fc, " Enable MSI Support for FC \
+ controllers (default=0)");
+
+static int mpt_msi_enable_sas;
+module_param(mpt_msi_enable_sas, int, 1);
+MODULE_PARM_DESC(mpt_msi_enable_sas, " Enable MSI Support for SAS \
+ controllers (default=1)");
+
static int mpt_channel_mapping;
module_param(mpt_channel_mapping, int, 0);
@@ -91,7 +104,9 @@ static int mpt_debug_level;
static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
&mpt_debug_level, 0600);
-MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h - (default=0)");
+MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h \
+ - (default=0)");
+
#ifdef MFCNT
static int mfcounter = 0;
@@ -1751,16 +1766,25 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->bus_type = SAS;
}
- if (mpt_msi_enable == -1) {
- /* Enable on SAS, disable on FC and SPI */
- if (ioc->bus_type == SAS)
- ioc->msi_enable = 1;
- else
- ioc->msi_enable = 0;
- } else
- /* follow flag: 0 - disable; 1 - enable */
- ioc->msi_enable = mpt_msi_enable;
+ switch (ioc->bus_type) {
+
+ case SAS:
+ ioc->msi_enable = mpt_msi_enable_sas;
+ break;
+
+ case SPI:
+ ioc->msi_enable = mpt_msi_enable_spi;
+ break;
+
+ case FC:
+ ioc->msi_enable = mpt_msi_enable_fc;
+ break;
+
+ default:
+ ioc->msi_enable = 0;
+ break;
+ }
if (ioc->errata_flag_1064)
pci_disable_io_access(pdev);
--
cgit v1.2.3-70-g09d2
From 2f4c782c2e06fbaef2ac2b6b7abd796b96abd98b Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 6 Jan 2009 15:03:37 +0530
Subject: [SCSI] mpt fusion: Add Firmware debug support
Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
drivers/message/fusion/mptbase.c | 37 +++++++++++++++++++++++++++++++++++++
drivers/message/fusion/mptbase.h | 3 +++
drivers/message/fusion/mptscsih.c | 3 +++
3 files changed, 43 insertions(+)
(limited to 'drivers/message/fusion/mptbase.c')
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 787a12648db..96ac88317b8 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -107,6 +107,14 @@ module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h \
- (default=0)");
+int mpt_fwfault_debug;
+EXPORT_SYMBOL(mpt_fwfault_debug);
+module_param_call(mpt_fwfault_debug, param_set_int, param_get_int,
+ &mpt_fwfault_debug, 0600);
+MODULE_PARM_DESC(mpt_fwfault_debug, "Enable detection of Firmware fault"
+ " and halt Firmware on fault - (default=0)");
+
+
#ifdef MFCNT
static int mfcounter = 0;
@@ -6337,6 +6345,33 @@ mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int sh
*size = y;
}
+
+/**
+ * mpt_halt_firmware - Halts the firmware if it is operational and panic
+ * the kernel
+ * @ioc: Pointer to MPT_ADAPTER structure
+ *
+ **/
+void
+mpt_halt_firmware(MPT_ADAPTER *ioc)
+{
+ u32 ioc_raw_state;
+
+ ioc_raw_state = mpt_GetIocState(ioc, 0);
+
+ if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
+ printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
+ ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
+ panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
+ ioc_raw_state & MPI_DOORBELL_DATA_MASK);
+ } else {
+ CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
+ panic("%s: Firmware is halted due to command timeout\n",
+ ioc->name);
+ }
+}
+EXPORT_SYMBOL(mpt_halt_firmware);
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* Reset Handling
@@ -6369,6 +6404,8 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
printk("MF count 0x%x !\n", ioc->mfcnt);
#endif
+ if (mpt_fwfault_debug)
+ mpt_halt_firmware(ioc);
/* Reset the adapter. Prevent more than 1 call to
* mpt_do_ioc_recovery at any instant in time.
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index dff048cfa10..b3e981d2a50 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -922,11 +922,14 @@ extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
extern int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
+extern void mpt_halt_firmware(MPT_ADAPTER *ioc);
+
/*
* Public data decl's...
*/
extern struct list_head ioc_list;
+extern int mpt_fwfault_debug;
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif /* } __KERNEL__ */
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index ee090413e59..e62c6bc4ad3 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1846,6 +1846,9 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
if (hd->timeouts < -1)
hd->timeouts++;
+ if (mpt_fwfault_debug)
+ mpt_halt_firmware(ioc);
+
/* Most important! Set TaskMsgContext to SCpnt's MsgContext!
* (the IO to be ABORT'd)
*
--
cgit v1.2.3-70-g09d2