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GUID update for PCI100x #39

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GUID update for PCI100x #39

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04187da
GUID update
Parithi098 Aug 11, 2026
dcdbddd
Added code comment
Parithi098 Aug 12, 2026
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7 changes: 4 additions & 3 deletions inc/windows/switchtec_public.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,8 +40,9 @@

#endif

DEFINE_GUID(SWITCHTEC_INTERFACE_GUID,
0xC94C2F2B, 0xF574, 0x4CFE, 0xA5, 0x5B, 0x5C, 0xEF, 0xEE, 0x68, 0xB4, 0x62);
// Management EP Windows Driver GUID - {C1553ECB-6C75-4A14-A6FC-DC62443B1216}
DEFINE_GUID(MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
0xC1553ECB, 0x6C75, 0x4A14, 0xA6, 0xFC, 0xDC, 0x62, 0x44, 0x3B, 0x12, 0x16);

DEFINE_DEVPROPKEY(SWITCHTEC_PROP_DEVICE_VERSION,
0xC26DF34B, 0x0A46, 0x4942, 0x8E, 0x6B, 0xF8, 0x92, 0x4E, 0xB7, 0x32, 0x84, 2);
Expand Down Expand Up @@ -91,4 +92,4 @@ struct switchtec_mrpc_result {
#define IOCTL_SWITCHTEC_WAIT_FOR_EVENT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x3, METHOD_BUFFERED, FILE_ANY_ACCESS)

#endif
#endif
18 changes: 9 additions & 9 deletions lib/platform/windows.c
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Original file line number Diff line number Diff line change
Expand Up @@ -78,14 +78,14 @@ static int count_devices(void)
DWORD count = 0;
SP_DEVICE_INTERFACE_DATA deviface;

devinfo = SetupDiGetClassDevs(&SWITCHTEC_INTERFACE_GUID,
devinfo = SetupDiGetClassDevs(&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
NULL, NULL, DIGCF_DEVICEINTERFACE |
DIGCF_PRESENT);

deviface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);

while (SetupDiEnumDeviceInterfaces(devinfo, NULL,
&SWITCHTEC_INTERFACE_GUID,
&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
count++, &deviface));

return count - 1;
Expand Down Expand Up @@ -284,7 +284,7 @@ int switchtec_list(struct switchtec_device_info **devlist)
return -errno;
}

devinfo = SetupDiGetClassDevs(&SWITCHTEC_INTERFACE_GUID,
devinfo = SetupDiGetClassDevs(&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
NULL, NULL, DIGCF_DEVICEINTERFACE |
DIGCF_PRESENT);
if (devinfo == INVALID_HANDLE_VALUE)
Expand All @@ -293,7 +293,7 @@ int switchtec_list(struct switchtec_device_info **devlist)
deviface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);

while (SetupDiEnumDeviceInterfaces(devinfo, NULL,
&SWITCHTEC_INTERFACE_GUID,
&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
idx, &deviface))
{
snprintf(dl[cnt].name, sizeof(dl[cnt].name),
Expand Down Expand Up @@ -466,7 +466,7 @@ struct switchtec_dev *switchtec_open_by_path(const char *path)
return NULL;

append_guid(path, path_with_guid, sizeof(path_with_guid),
&SWITCHTEC_INTERFACE_GUID);
&MCHP_PCIE_MNGT_EP_INTERFACE_GUID);

wdev->hdl = CreateFile(path_with_guid, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
Expand Down Expand Up @@ -500,7 +500,7 @@ struct switchtec_dev *switchtec_open_by_index(int index)
struct switchtec_dev *dev = NULL;
BOOL status;

devinfo = SetupDiGetClassDevs(&SWITCHTEC_INTERFACE_GUID,
devinfo = SetupDiGetClassDevs(&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
NULL, NULL, DIGCF_DEVICEINTERFACE |
DIGCF_PRESENT);
if (devinfo == INVALID_HANDLE_VALUE)
Expand All @@ -509,7 +509,7 @@ struct switchtec_dev *switchtec_open_by_index(int index)
deviface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);

status = SetupDiEnumDeviceInterfaces(devinfo, NULL,
&SWITCHTEC_INTERFACE_GUID,
&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
index, &deviface);
if (!status) {
errno = ENODEV;
Expand Down Expand Up @@ -540,7 +540,7 @@ struct switchtec_dev *switchtec_open_by_pci_addr(int domain, int bus,
int dbus, ddevice, dfunc;
int idx = 0;

devinfo = SetupDiGetClassDevs(&SWITCHTEC_INTERFACE_GUID,
devinfo = SetupDiGetClassDevs(&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
NULL, NULL, DIGCF_DEVICEINTERFACE |
DIGCF_PRESENT);
if (devinfo == INVALID_HANDLE_VALUE)
Expand All @@ -549,7 +549,7 @@ struct switchtec_dev *switchtec_open_by_pci_addr(int domain, int bus,
deviface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);

while (SetupDiEnumDeviceInterfaces(devinfo, NULL,
&SWITCHTEC_INTERFACE_GUID,
&MCHP_PCIE_MNGT_EP_INTERFACE_GUID,
idx++, &deviface))
{
status = get_path(devinfo, &deviface, &devdata,
Expand Down