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From: Hao Wu <hao.a.wu@intel.com>
To: edk2-devel@lists.01.org, feng.tian@intel.com
Cc: Hao Wu <hao.a.wu@intel.com>
Subject: [PATCH v2 06/10] MdeModulePkg NvmExpressDxe: Add check on the attributes of NVME controller
Date: Thu,  1 Sep 2016 10:33:03 +0800	[thread overview]
Message-ID: <1472697187-16092-7-git-send-email-hao.a.wu@intel.com> (raw)
In-Reply-To: <1472697187-16092-1-git-send-email-hao.a.wu@intel.com>

According to UEFI spec, an EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL with neither
EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_LOGICAL nor
EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_PHYSICAL set in the Attributes field
is an illegal configuration.

This commit adds this check in the PassThru API to follow the spec.

Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
---
 MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
index 6b29260..c7ead21 100644
--- a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
+++ b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
@@ -375,6 +375,7 @@ NvmExpressPassThru (
   UINT64                         *Prp;
   VOID                           *PrpListHost;
   UINTN                          PrpListNo;
+  UINT32                         Attributes;
   UINT32                         IoAlign;
   UINT32                         Data;
   NVME_PASS_THRU_ASYNC_REQ       *AsyncRequest;
@@ -396,9 +397,20 @@ NvmExpressPassThru (
   }
 
   //
+  // 'Attributes' with neither EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_LOGICAL nor
+  // EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_PHYSICAL set is an illegal
+  // configuration.
+  //
+  Attributes  = This->Mode->Attributes;
+  if ((Attributes & (EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_PHYSICAL |
+    EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_LOGICAL)) == 0) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
   // Buffer alignment check for TransferBuffer & MetadataBuffer.
   //
-  IoAlign = This->Mode->IoAlign;
+  IoAlign     = This->Mode->IoAlign;
   if (IoAlign > 0 && (((UINTN) Packet->TransferBuffer & (IoAlign - 1)) != 0)) {
     return EFI_INVALID_PARAMETER;
   }
-- 
1.9.5.msysgit.0



  parent reply	other threads:[~2016-09-01  2:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-01  2:32 [PATCH v2 00/10] Fix some bugs in NvmExpressDxe driver Hao Wu
2016-09-01  2:32 ` [PATCH v2 01/10] MdeModulePkg NvmExpressDxe: Avoid crashing 'Mode' during OpenProtocol Hao Wu
2016-09-01  2:32 ` [PATCH v2 02/10] MdeModulePkg NvmExpressDxe: Refine BuildDevicePath API to follow spec Hao Wu
2016-09-01  2:33 ` [PATCH v2 03/10] MdeModulePkg NvmExpressDxe: Refine GetNameSpace " Hao Wu
2016-09-01  2:33 ` [PATCH v2 04/10] MdeModulePkg NvmExpressDxe: Refine GetNextNamespace " Hao Wu
2016-09-01  2:33 ` [PATCH v2 05/10] MdeModulePkg NvmExpressDxe: Add buffer alignment check in PassThru API Hao Wu
2016-09-01  2:33 ` Hao Wu [this message]
2016-09-01  2:33 ` [PATCH v2 07/10] MdeModulePkg NvmExpressDxe: Add check for command packet in PassThru Hao Wu
2016-09-01  2:33 ` [PATCH v2 08/10] MdeModulePkg NvmExpressDxe: Add NamespaceId validity check " Hao Wu
2016-09-01  2:33 ` [PATCH v2 09/10] MdeModulePkg NvmExpressDxe: Fix 'Event' won't be signaled for Admin cmds Hao Wu
2016-09-01  2:33 ` [PATCH v2 10/10] MdeModulePkg NvmExpressDxe: Set the non-blocking I/O feature support bit Hao Wu
2016-09-06  7:13 ` [PATCH v2 00/10] Fix some bugs in NvmExpressDxe driver Tian, Feng

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