ClientBW::ClientBW()
{
uint64_t bar = 0;
uint32_t pci_address = FORM_PCI_ADDR(CLIENT_BUS, CLIENT_DEV, CLIENT_FUNC, PCM_CLIENT_IMC_BAR_OFFSET);
PCIDriver_read64(pci_address, &bar);
uint64_t physical_address = (bar & CLIENT_BAR_MASK) + CLIENT_EVENT_BASE;//bar & (~(4096-1));
mmapAddr = NULL;
if (physical_address) {
PCIDriver_mapMemory((uint32_t)physical_address, (uint8_t**)&mmapAddr);
}
}
/*!
* @fn static VOID snbunc_imc_Write_PMU(VOID*)
*
* @brief Initial write of PMU registers
* Walk through the enties and write the value of the register accordingly.
* When current_group = 0, then this is the first time this routine is called,
*
* @param None
*
* @return None
*
* <I>Special Notes:</I>
*/
static VOID
snbunc_imc_Write_PMU (
VOID *param
)
{
DRV_PCI_DEVICE_ENTRY_NODE dpden;
U32 pci_address;
U32 bar_lo;
U64 next_bar_offset;
U64 bar_hi;
U64 physical_address;
U64 final_bar;
U32 dev_idx = *((U32*)param);
ECB pecb = LWPMU_DEVICE_PMU_register_data(&devices[(dev_idx)])[0];
U32 j;
U32 event_id = 0;
U32 offset_delta;
U32 tmp_value;
int me = CONTROL_THIS_CPU();
if (me != invoking_processor_id) {
return;
}
SEP_PRINT_DEBUG("snbunc_imc_Write_PMU Enter\n");
dpden = ECB_pcidev_entry_node(pecb);
pci_address = FORM_PCI_ADDR(DRV_PCI_DEVICE_ENTRY_bus_no(&dpden),
DRV_PCI_DEVICE_ENTRY_dev_no(&dpden),
DRV_PCI_DEVICE_ENTRY_func_no(&dpden),
0);
#if defined(MYDEBUG)
{
U32 device_id = PCI_Read_Ulong(pci_address);
SEP_PRINT("Bus no = 0x%x\n",DRV_PCI_DEVICE_ENTRY_bus_no(&dpden));
SEP_PRINT("Dev no = 0x%x\n",DRV_PCI_DEVICE_ENTRY_dev_no(&dpden));
SEP_PRINT("Func no = 0x%x\n",DRV_PCI_DEVICE_ENTRY_func_no(&dpden));
SEP_PRINT("value for device id = 0x%x\n",device_id);
}
#endif
pci_address = FORM_PCI_ADDR(DRV_PCI_DEVICE_ENTRY_bus_no(&dpden),
DRV_PCI_DEVICE_ENTRY_dev_no(&dpden),
DRV_PCI_DEVICE_ENTRY_func_no(&dpden),
DRV_PCI_DEVICE_ENTRY_bar_offset(&dpden));
bar_lo = PCI_Read_Ulong(pci_address);
next_bar_offset = DRV_PCI_DEVICE_ENTRY_bar_offset(&dpden) + NEXT_ADDR_OFFSET;
pci_address = FORM_PCI_ADDR(DRV_PCI_DEVICE_ENTRY_bus_no(&dpden),
DRV_PCI_DEVICE_ENTRY_dev_no(&dpden),
DRV_PCI_DEVICE_ENTRY_func_no(&dpden),
next_bar_offset);
bar_hi = PCI_Read_Ulong(pci_address);
final_bar = (bar_hi << SNBUNC_IMC_BAR_ADDR_SHIFT) | bar_lo;
final_bar &= SNBUNC_IMC_BAR_ADDR_MASK;
DRV_PCI_DEVICE_ENTRY_bar_address(&ECB_pcidev_entry_node(pecb)) = final_bar;
physical_address = DRV_PCI_DEVICE_ENTRY_bar_address(&ECB_pcidev_entry_node(pecb))
+ DRV_PCI_DEVICE_ENTRY_base_offset_for_mmio(&ECB_pcidev_entry_node(pecb));
virtual_address = ioremap_nocache(physical_address,4096);
//Read in the counts into temporary buffer
FOR_EACH_PCI_DATA_REG(pecb,i,dev_idx,offset_delta) {
event_id = ECB_entries_event_id_index_local(pecb,i);
tmp_value = readl((U32*)((char*)(virtual_address) + offset_delta));
for ( j = 0; j < (U32)GLOBAL_STATE_num_cpus(driver_state) ; j++) {
LWPMU_DEVICE_prev_val_per_thread(&devices[dev_idx])[j][event_id + 1] = tmp_value; // need to account for group id
#if defined(MYDEBUG)
SEP_PRINT_DEBUG("initial value for i =%d is 0x%x\n",i,LWPMU_DEVICE_prev_val_per_thread(&devices[dev_idx])[j][i]);
#endif
}
// this is needed for overflow detection of the accumulators.
if (LWPMU_DEVICE_counter_mask(&devices[dev_idx]) == 0) {
LWPMU_DEVICE_counter_mask(&devices[dev_idx]) = (U64)ECB_entries_max_bits(pecb,i);
}
} END_FOR_EACH_PCI_DATA_REG;
