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Limit resizable BAR to Linux as NEO doesn't use libpci.
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:15:10: fatal error: 'linux/pci_regs.h' file not found
#include <linux/pci_regs.h>
^~~~~~~~~~~~~~~~~~
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:157:20: error: use of undeclared identifier 'PCI_CFG_SPACE_SIZE'
uint32_t pos = PCI_CFG_SPACE_SIZE;
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:167:23: error: use of undeclared identifier 'PCI_CFG_SPACE_EXP_SIZE'
auto loopCount = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:167:48: error: use of undeclared identifier 'PCI_CFG_SPACE_SIZE'
auto loopCount = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:174:13: error: use of undeclared identifier 'PCI_EXT_CAP_ID'
if (PCI_EXT_CAP_ID(header) == PCI_EXT_CAP_ID_REBAR) {
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:174:39: error: use of undeclared identifier 'PCI_EXT_CAP_ID_REBAR'
if (PCI_EXT_CAP_ID(header) == PCI_EXT_CAP_ID_REBAR) {
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:177:15: error: use of undeclared identifier 'PCI_EXT_CAP_NEXT'
pos = PCI_EXT_CAP_NEXT(header);
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:178:19: error: use of undeclared identifier 'PCI_CFG_SPACE_SIZE'
if (pos < PCI_CFG_SPACE_SIZE) {
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:202:48: error: use of undeclared identifier 'PCI_CFG_SPACE_EXP_SIZE'
configMemory = std::make_unique<uint8_t[]>(PCI_CFG_SPACE_EXP_SIZE);
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:203:35: error: use of undeclared identifier 'PCI_CFG_SPACE_EXP_SIZE'
memset(configMemory.get(), 0, PCI_CFG_SPACE_EXP_SIZE);
^
level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp:204:55: error: use of undeclared identifier 'PCI_CFG_SPACE_EXP_SIZE'
this->preadFunction(fdConfig, configMemory.get(), PCI_CFG_SPACE_EXP_SIZE, 0);
^
--- level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp.orig 2021-08-11 16:12:33 UTC
+++ level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp
@@ -12,7 +12,9 @@
#include "sysman/pci/pci_imp.h"
+#ifdef __linux__
#include <linux/pci_regs.h>
+#endif
namespace L0 {
@@ -153,6 +155,7 @@ ze_result_t LinuxPciImp::initializeBarProperties(std::
}
uint32_t LinuxPciImp::getRebarCapabilityPos() {
+#ifdef __linux__
uint32_t pos = PCI_CFG_SPACE_SIZE;
uint32_t header = 0;
@@ -179,6 +182,7 @@ uint32_t LinuxPciImp::getRebarCapabilityPos() {
}
header = getDwordFromConfig(pos);
}
+#endif
return 0;
}
@@ -197,6 +201,7 @@ bool LinuxPciImp::resizableBarEnabled(uint32_t barInde
if (!rebarCapabilityPos) {
return false;
}
+#ifdef __linux__
// As per PCI spec, resizable BAR's capability structure's 52 byte length could be represented as:
// --------------------------------------------------------------
@@ -249,6 +254,7 @@ bool LinuxPciImp::resizableBarEnabled(uint32_t barInde
// If current size is equal to larget possible BAR size, it indicates resizable BAR is enabled.
return (currentSize == largestPossibleBarSize);
+#endif
}
ze_result_t LinuxPciImp::getState(zes_pci_state_t *state) {
@@ -256,6 +262,7 @@ ze_result_t LinuxPciImp::getState(zes_pci_state_t *sta
}
void LinuxPciImp::pciExtendedConfigRead() {
+#ifdef __linux__
std::string pciConfigNode;
pSysfsAccess->getRealPath("device/config", pciConfigNode);
int fdConfig = -1;
@@ -267,6 +274,7 @@ void LinuxPciImp::pciExtendedConfigRead() {
memset(configMemory.get(), 0, PCI_CFG_SPACE_EXP_SIZE);
this->preadFunction(fdConfig, configMemory.get(), PCI_CFG_SPACE_EXP_SIZE, 0);
this->closeFunction(fdConfig);
+#endif
}
LinuxPciImp::LinuxPciImp(OsSysman *pOsSysman) {
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