public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: "Albecki, Mateusz" <mateusz.albecki@intel.com>
To: devel@edk2.groups.io
Cc: Mateusz Albecki <mateusz.albecki@intel.com>,
	Hao A Wu <hao.a.wu@intel.com>
Subject: [PATCHv3 2/4] MdeModulePkg/UfsPassThruDxe: Refactor UfsExecUicCommand function
Date: Fri,  9 Aug 2019 16:36:18 +0200	[thread overview]
Message-ID: <20190809143620.4924-3-mateusz.albecki@intel.com> (raw)
In-Reply-To: <20190809143620.4924-1-mateusz.albecki@intel.com>

https://bugzilla.tianocore.org/show_bug.cgi?id=1343

UfsExecUicCommand function has been refactored to allow
the caller to check the command results which is important
for commands such as UIC read.

Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Mateusz Albecki <mateusz.albecki@intel.com>
---
 MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h  |  3 +-
 .../Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c        | 47 ++++++++++++----------
 2 files changed, 27 insertions(+), 23 deletions(-)

diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
index 9b68db5ffe..b79be77709 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -13,6 +13,7 @@
 #include <Protocol/ScsiPassThruExt.h>
 #include <Protocol/UfsDeviceConfig.h>
 #include <Protocol/UfsHostController.h>
+#include <Protocol/UfsHostControllerPlatform.h>
 
 #include <Library/DebugLib.h>
 #include <Library/UefiDriverEntryPoint.h>
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
index 912d6f8202..6ea27e473c 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
@@ -2,7 +2,7 @@
   UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface
   for upper layer application to execute UFS-supported SCSI cmds.
 
-  Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -1633,11 +1633,8 @@ Exit1:
 /**
   Send UIC command.
 
-  @param[in] Private          The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.
-  @param[in] UicOpcode        The opcode of the UIC command.
-  @param[in] Arg1             The value for 1st argument of the UIC command.
-  @param[in] Arg2             The value for 2nd argument of the UIC command.
-  @param[in] Arg3             The value for 3rd argument of the UIC command.
+  @param[in]      Private     The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.
+  @param[in, out] UicCommand  UIC command descriptor. On exit contains UIC command results.
 
   @return EFI_SUCCESS      Successfully execute this UIC command and detect attached UFS device.
   @return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device.
@@ -1646,10 +1643,7 @@ Exit1:
 EFI_STATUS
 UfsExecUicCommands (
   IN  UFS_PASS_THRU_PRIVATE_DATA    *Private,
-  IN  UINT8                         UicOpcode,
-  IN  UINT32                        Arg1,
-  IN  UINT32                        Arg2,
-  IN  UINT32                        Arg3
+  IN OUT EDKII_UIC_COMMAND          *UicCommand
   )
 {
   EFI_STATUS  Status;
@@ -1675,17 +1669,17 @@ UfsExecUicCommands (
   // only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3)
   // are set.
   //
-  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, Arg1);
+  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, UicCommand->Arg1);
   if (EFI_ERROR (Status)) {
     return Status;
   }
 
-  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, Arg2);
+  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, UicCommand->Arg2);
   if (EFI_ERROR (Status)) {
     return Status;
   }
 
-  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, Arg3);
+  Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, UicCommand->Arg3);
   if (EFI_ERROR (Status)) {
     return Status;
   }
@@ -1698,7 +1692,7 @@ UfsExecUicCommands (
     return Status;
   }
 
-  Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, (UINT32)UicOpcode);
+  Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, UicCommand->Opcode);
   if (EFI_ERROR (Status)) {
     return Status;
   }
@@ -1712,14 +1706,18 @@ UfsExecUicCommands (
     return Status;
   }
 
-  if (UicOpcode != UfsUicDmeReset) {
-    Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &Data);
+  if (UicCommand->Opcode != UfsUicDmeReset) {
+    Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &UicCommand->Arg2);
     if (EFI_ERROR (Status)) {
       return Status;
     }
-    if ((Data & 0xFF) != 0) {
+    Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG3_OFFSET, &UicCommand->Arg3);
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+    if ((UicCommand->Arg2 & 0xFF) != 0) {
       DEBUG_CODE_BEGIN();
-        DumpUicCmdExecResult (UicOpcode, (UINT8)(Data & 0xFF));
+        DumpUicCmdExecResult ((UINT8)UicCommand->Opcode, (UINT8)(UicCommand->Arg2 & 0xFF));
       DEBUG_CODE_END();
       return EFI_DEVICE_ERROR;
     }
@@ -1898,16 +1896,21 @@ UfsDeviceDetection (
   IN  UFS_PASS_THRU_PRIVATE_DATA     *Private
   )
 {
-  UINTN       Retry;
-  EFI_STATUS  Status;
-  UINT32      Data;
+  UINTN              Retry;
+  EFI_STATUS         Status;
+  UINT32             Data;
+  EDKII_UIC_COMMAND  LinkStartupCommand;
 
   //
   // Start UFS device detection.
   // Try up to 3 times for establishing data link with device.
   //
   for (Retry = 0; Retry < 3; Retry++) {
-    Status = UfsExecUicCommands (Private, UfsUicDmeLinkStartup, 0, 0, 0);
+    LinkStartupCommand.Opcode = UfsUicDmeLinkStartup;
+    LinkStartupCommand.Arg1 = 0;
+    LinkStartupCommand.Arg2 = 0;
+    LinkStartupCommand.Arg3 = 0;
+    Status = UfsExecUicCommands (Private, &LinkStartupCommand);
     if (EFI_ERROR (Status)) {
       return EFI_DEVICE_ERROR;
     }
-- 
2.14.1.windows.1

--------------------------------------------------------------------

Intel Technology Poland sp. z o.o.
ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN.

Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek
przegladanie lub rozpowszechnianie jest zabronione.
This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by
others is strictly prohibited.


  parent reply	other threads:[~2019-08-09 14:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-09 14:36 [PATCHv3 0/4] Add EDKII_UFS_HC_PLATFORM_PROTOCOL to support platform specific programming of UFS host controllers Albecki, Mateusz
2019-08-09 14:36 ` [PATCHv3 1/4] MdeModulePkg: Add definition of the EDKII_UFS_HC_PLATFORM_PROTOCOL Albecki, Mateusz
2019-08-09 14:36 ` Albecki, Mateusz [this message]
2019-08-09 14:36 ` [PATCHv3 3/4] MdeModulePkg/UfsPassThruDxe: Refactor private data to use EDKII_UFS_HC_INFO Albecki, Mateusz
2019-08-09 14:36 ` [PATCHv3 4/4] MdeModulePkg/UfsPassThruDxe: Implement EDKII_UFS_HC_PLATFORM_PROTOCOL Albecki, Mateusz
2019-08-12  2:38 ` [PATCHv3 0/4] Add EDKII_UFS_HC_PLATFORM_PROTOCOL to support platform specific programming of UFS host controllers Wu, Hao A
2019-08-13  2:56   ` [edk2-devel] " Wu, Hao A

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190809143620.4924-3-mateusz.albecki@intel.com \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox