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[SCSI] be2iscsi: Issue an function level reset when driver is loaded

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Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
John Soni Jose 2012-10-20 04:42:37 +05:30 committed by James Bottomley
parent 5cac7596ba
commit 4d4d1ef8cb
1 changed files with 18 additions and 47 deletions
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65
drivers/scsi/be2iscsi/be_main.c
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@ -47,8 +47,6 @@
static unsigned int be_iopoll_budget = 10;
static unsigned int be_max_phys_size = 64;
static unsigned int enable_msix = 1;
static unsigned int gcrashmode = 0;
static unsigned int num_hba = 0;
MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table);
MODULE_DESCRIPTION(DRV_DESC " " BUILD_STR);
@ -4446,14 +4444,18 @@ void beiscsi_hba_attrs_init(struct beiscsi_hba *phba)
beiscsi_log_enable_init(phba, beiscsi_log_enable);
}
/*
* beiscsi_quiesce()- Cleanup Driver resources
* @phba: Instance Priv structure
*
* Free the OS and HW resources held by the driver
**/
static void beiscsi_quiesce(struct beiscsi_hba *phba)
{
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
struct be_eq_obj *pbe_eq;
unsigned int i, msix_vec;
u8 *real_offset = 0;
u32 value = 0;
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
@ -4477,14 +4479,7 @@ static void beiscsi_quiesce(struct beiscsi_hba *phba)
beiscsi_clean_port(phba);
beiscsi_free_mem(phba);
real_offset = (u8 *)phba->csr_va + MPU_EP_SEMAPHORE;
value = readl((void *)real_offset);
if (value & 0x00010000) {
value &= 0xfffeffff;
writel(value, (void *)real_offset);
}
beiscsi_unmap_pci_function(phba);
pci_free_consistent(phba->pcidev,
phba->ctrl.mbox_mem_alloced.size,
@ -4550,8 +4545,6 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
struct hwi_context_memory *phwi_context;
struct be_eq_obj *pbe_eq;
int ret, i;
u8 *real_offset = 0;
u32 value = 0;
ret = beiscsi_enable_pci(pcidev);
if (ret < 0) {
@ -4606,31 +4599,18 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
goto hba_free;
}
if (!num_hba) {
real_offset = (u8 *)phba->csr_va + MPU_EP_SEMAPHORE;
value = readl((void *)real_offset);
if (value & 0x00010000) {
gcrashmode++;
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Loading Driver in crashdump mode\n");
ret = beiscsi_cmd_reset_function(phba);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Reset Failed. Aborting Crashdump\n");
goto hba_free;
}
ret = be_chk_reset_complete(phba);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Failed to get out of reset."
"Aborting Crashdump\n");
goto hba_free;
}
} else {
value |= 0x00010000;
writel(value, (void *)real_offset);
num_hba++;
}
ret = beiscsi_cmd_reset_function(phba);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Reset Failed. Aborting Crashdump\n");
goto hba_free;
}
ret = be_chk_reset_complete(phba);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Failed to get out of reset."
"Aborting Crashdump\n");
goto hba_free;
}
spin_lock_init(&phba->io_sgl_lock);
@ -4718,15 +4698,6 @@ free_twq:
beiscsi_clean_port(phba);
beiscsi_free_mem(phba);
free_port:
real_offset = (u8 *)phba->csr_va + MPU_EP_SEMAPHORE;
value = readl((void *)real_offset);
if (value & 0x00010000) {
value &= 0xfffeffff;
writel(value, (void *)real_offset);
}
pci_free_consistent(phba->pcidev,
phba->ctrl.mbox_mem_alloced.size,
phba->ctrl.mbox_mem_alloced.va,