Support for multiple targets will be implemented in a later commit in this series.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2390 Signed-off-by: Nikita Leshenko <nikita.leshche...@oracle.com> Reviewed-by: Laszlo Ersek <ler...@redhat.com> --- OvmfPkg/MptScsiDxe/MptScsi.c | 38 +++++++++++++++++++++++++++++-- OvmfPkg/MptScsiDxe/MptScsiDxe.inf | 1 + 2 files changed, 37 insertions(+), 2 deletions(-) diff --git a/OvmfPkg/MptScsiDxe/MptScsi.c b/OvmfPkg/MptScsiDxe/MptScsi.c index 9598b82fda53..e898a6024f73 100644 --- a/OvmfPkg/MptScsiDxe/MptScsi.c +++ b/OvmfPkg/MptScsiDxe/MptScsi.c @@ -17,6 +17,7 @@ #include <IndustryStandard/FusionMptScsi.h> #include <IndustryStandard/Pci.h> +#include <Library/BaseMemoryLib.h> #include <Library/DebugLib.h> #include <Library/MemoryAllocationLib.h> #include <Library/UefiBootServicesTableLib.h> @@ -62,6 +63,22 @@ MptScsiPassThru ( return EFI_UNSUPPORTED; } +STATIC +BOOLEAN +IsTargetInitialized ( + IN UINT8 *Target + ) +{ + UINTN Idx; + + for (Idx = 0; Idx < TARGET_MAX_BYTES; ++Idx) { + if (Target[Idx] != 0xFF) { + return TRUE; + } + } + return FALSE; +} + STATIC EFI_STATUS EFIAPI @@ -71,7 +88,16 @@ MptScsiGetNextTargetLun ( IN OUT UINT64 *Lun ) { - return EFI_UNSUPPORTED; + // + // Currently support only target 0 LUN 0, so hardcode it + // + if (!IsTargetInitialized (*Target)) { + ZeroMem (*Target, TARGET_MAX_BYTES); + *Lun = 0; + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } } STATIC @@ -82,7 +108,15 @@ MptScsiGetNextTarget ( IN OUT UINT8 **Target ) { - return EFI_UNSUPPORTED; + // + // Currently support only target 0 LUN 0, so hardcode it + // + if (!IsTargetInitialized (*Target)) { + ZeroMem (*Target, TARGET_MAX_BYTES); + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } } STATIC diff --git a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf index a253c5d96916..8f366b92eb72 100644 --- a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf +++ b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf @@ -30,6 +30,7 @@ [Packages] OvmfPkg/OvmfPkg.dec [LibraryClasses] + BaseMemoryLib DebugLib MemoryAllocationLib UefiBootServicesTableLib -- 2.20.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#55450): https://edk2.groups.io/g/devel/message/55450 Mute This Topic: https://groups.io/mt/71733498/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
