[reactos] 09/10: [ISAPNP] Implement IRP_MN_QUERY_PNP_DEVICE_STATE for ReadDataPort

[Hervé Poussineau]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8b53ed1d9b45649469d666...

commit 8b53ed1d9b45649469d6662c27520088091910ca
Author:     Hervé Poussineau [e-mail]
AuthorDate: Tue Mar 17 23:50:39 2020 +0100
Commit:     Hervé Poussineau [e-mail]
CommitDate: Fri Mar 20 22:40:11 2020 +0100

[ISAPNP] Implement IRP_MN_QUERY_PNP_DEVICE_STATE for ReadDataPort
---
 drivers/bus/isapnp/pdo.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/bus/isapnp/pdo.c b/drivers/bus/isapnp/pdo.c
index f0481119758..a75b4d32ed7 100644
--- a/drivers/bus/isapnp/pdo.c
+++ b/drivers/bus/isapnp/pdo.c
@@ -75,6 +75,17 @@ IsaPdoQueryCapabilities(
     return STATUS_SUCCESS;
 }

+NTSTATUS
+NTAPI
+IsaPdoQueryPnpDeviceState(
+  IN PISAPNP_PDO_EXTENSION PdoExt,
+  IN PIRP Irp,
+  IN PIO_STACK_LOCATION IrpSp)
+{
+    Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE;
+    return STATUS_SUCCESS;
+}
+
 NTSTATUS
 NTAPI
 IsaPdoQueryId(
@@ -298,6 +309,11 @@ IsaPdoPnp(
             Status = IsaPdoQueryCapabilities(PdoExt, Irp, IrpSp);
             break;

+        case IRP_MN_QUERY_PNP_DEVICE_STATE:
+            if (PdoExt->Common.Self == PdoExt->FdoExt->DataPortPdo)
+                Status = IsaPdoQueryPnpDeviceState(PdoExt, Irp, IrpSp);
+            break;
+
         case IRP_MN_QUERY_RESOURCES:
             if (PdoExt->Common.Self == PdoExt->FdoExt->DataPortPdo)
                 Status = IsaPdoQueryResources(PdoExt, Irp, IrpSp);