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From: "Liran Alon" <liran.alon@oracle.com>
To: devel@edk2.groups.io, lersek@redhat.com
Cc: nikita.leshchenko@oracle.com, aaron.young@oracle.com,
	jordan.l.justen@intel.com, ard.biesheuvel@linaro.org,
	Liran Alon <liran.alon@oracle.com>
Subject: [PATCH 17/17] OvmfPkg/PvScsiDxe: Enable device 64-bit DMA addresses
Date: Mon, 16 Mar 2020 17:01:13 +0200	[thread overview]
Message-ID: <20200316150113.104630-18-liran.alon@oracle.com> (raw)
In-Reply-To: <20200316150113.104630-1-liran.alon@oracle.com>

Enable PCI dual-address cycle attribute to signal device supports
64-bit DMA addresses.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
---
 OvmfPkg/PvScsiDxe/PvScsi.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/OvmfPkg/PvScsiDxe/PvScsi.c b/OvmfPkg/PvScsiDxe/PvScsi.c
index 33167c177b42..e673ed8ba6a0 100644
--- a/OvmfPkg/PvScsiDxe/PvScsi.c
+++ b/OvmfPkg/PvScsiDxe/PvScsi.c
@@ -814,6 +814,27 @@ PvScsiSetPCIAttributes (
     return Status;
   }
 
+  //
+  // Signal device supports 64-bit DMA addresses
+  //
+  Status = Dev->PciIo->Attributes (
+                         Dev->PciIo,
+                         EfiPciIoAttributeOperationEnable,
+                         EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE,
+                         NULL
+                         );
+  if (EFI_ERROR (Status)) {
+    //
+    // Warn user device will only be using 32-bit DMA addresses.
+    //
+    // Note that this does not prevent device/driver from working
+    // and therefore we only warn and continue as usual.
+    //
+    DEBUG ((DEBUG_WARN,
+            "%a: failed to enable 64-bit DMA addresses\n",
+            __FUNCTION__));
+  }
+
   return EFI_SUCCESS;
 }
 
-- 
2.20.1


  parent reply	other threads:[~2020-03-16 15:00 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16 15:00 [PATCH 00/17]: OvmfPkg: Support booting from VMware PVSCSI controller liran.alon
2020-03-16 15:00 ` [PATCH 01/17] OvmfPkg/PvScsiDxe: Create empty driver Liran Alon
2020-03-24 11:15   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:00 ` [PATCH 02/17] OvmfPkg/PvScsiDxe: Install DriverBinding protocol Liran Alon
2020-03-24 11:23   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:00 ` [PATCH 03/17] OvmfPkg/PvScsiDxe: Report name of driver Liran Alon
2020-03-24 11:29   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 04/17] OvmfPkg/PvScsiDxe: Probe PCI devices and look for PvScsi Liran Alon
2020-03-24 11:41   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 05/17] OvmfPkg/PvScsiDxe: Install stubbed EXT_SCSI_PASS_THRU Liran Alon
2020-03-24 12:27   ` [edk2-devel] " Laszlo Ersek
2020-03-24 12:47     ` Laszlo Ersek
2020-03-16 15:01 ` [PATCH 06/17] OvmfPkg/PvScsiDxe: Report the number of targets and LUNs Liran Alon
2020-03-24 13:12   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 07/17] OvmfPkg/PvScsiDxe: Translate Target & LUN to/from DevicePath Liran Alon
2020-03-24 13:36   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 08/17] OvmfPkg/PvScsiDxe: Open PciIo protocol for later use Liran Alon
2020-03-24 13:47   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 09/17] OvmfPkg/PvScsiDxe: Backup/Restore PCI attributes on Init/UnInit Liran Alon
2020-03-24 15:14   ` [edk2-devel] " Laszlo Ersek
2020-03-24 15:35     ` Liran Alon
2020-03-25  1:48       ` Laszlo Ersek
2020-03-25 10:32         ` Liran Alon
2020-03-16 15:01 ` [PATCH 10/17] OvmfPkg/PvScsiDxe: Enable IOSpace & Bus-Mastering in PCI attributes Liran Alon
2020-03-24 15:22   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 11/17] OvmfPkg/PvScsiDxe: Define device interface structures and constants Liran Alon
2020-03-24 15:35   ` [edk2-devel] " Laszlo Ersek
2020-03-24 16:34     ` Laszlo Ersek
2020-03-16 15:01 ` [PATCH 12/17] OvmfPkg/PvScsiDxe: Reset adapter on init Liran Alon
2020-03-24 16:00   ` [edk2-devel] " Laszlo Ersek
2020-03-25  1:11     ` Liran Alon
2020-03-25 16:31       ` Laszlo Ersek
2020-03-25 16:40         ` Liran Alon
2020-03-25 17:13           ` Liran Alon
2020-03-27 12:55             ` Laszlo Ersek
2020-03-16 15:01 ` [PATCH 13/17] OvmfPkg/PvScsiDxe: Setup requests and completions rings Liran Alon
2020-03-24 16:11   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 14/17] OvmfPkg/PvScsiDxe: Introduce DMA communication buffer Liran Alon
2020-03-24 16:13   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` [PATCH 15/17] OvmfPkg/PvScsiDxe: Support sending SCSI request and receive response Liran Alon
2020-03-24 16:43   ` [edk2-devel] " Laszlo Ersek
2020-03-25  1:17     ` Liran Alon
2020-03-16 15:01 ` [PATCH 16/17] OvmfPkg/PvScsiDxe: Reset device on ExitBootServices() Liran Alon
2020-03-24 17:04   ` [edk2-devel] " Laszlo Ersek
2020-03-16 15:01 ` Liran Alon [this message]
2020-03-24 15:26   ` [edk2-devel] [PATCH 17/17] OvmfPkg/PvScsiDxe: Enable device 64-bit DMA addresses Laszlo Ersek
2020-03-23 16:33 ` [edk2-devel] [PATCH 00/17]: OvmfPkg: Support booting from VMware PVSCSI controller Laszlo Ersek

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