public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: "Dong, Eric" <eric.dong@intel.com>
To: devel@edk2.groups.io
Cc: Ray Ni <ray.ni@intel.com>, Laszlo Ersek <lersek@redhat.com>,
	Chandana Kumar <chandana.c.kumar@intel.com>,
	Star Zeng <star.zeng@intel.com>
Subject: [Patch v2 1/6] UefiCpuPkg/Include/MpInitLib.h: Add MpInitLibStartupAllCPUs API.
Date: Mon, 22 Jul 2019 15:14:18 +0800	[thread overview]
Message-ID: <20190722071423.17372-2-eric.dong@intel.com> (raw)
In-Reply-To: <20190722071423.17372-1-eric.dong@intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1973

Add new MpInitLibStartupAllCPUs API uses to start all processors
at the same time.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Chandana Kumar <chandana.c.kumar@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Eric Dong <eric.dong@intel.com>
---
 UefiCpuPkg/Include/Library/MpInitLib.h | 33 ++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/UefiCpuPkg/Include/Library/MpInitLib.h b/UefiCpuPkg/Include/Library/MpInitLib.h
index fa82529373..a943fbd9bc 100644
--- a/UefiCpuPkg/Include/Library/MpInitLib.h
+++ b/UefiCpuPkg/Include/Library/MpInitLib.h
@@ -344,4 +344,37 @@ MpInitLibWhoAmI (
   OUT UINTN                    *ProcessorNumber
   );
 
+/**
+  This service executes a caller provided function on all enabled CPUs.
+
+  @param[in]  Procedure               A pointer to the function to be run on
+                                      enabled APs of the system. See type
+                                      EFI_AP_PROCEDURE.
+  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for
+                                      APs to return from Procedure, either for
+                                      blocking or non-blocking mode. Zero means
+                                      infinity.
+  @param[in]  ProcedureArgument       The parameter passed into Procedure for
+                                      all APs.
+
+  @retval EFI_SUCCESS             In blocking mode, all CPUs have finished before
+                                  the timeout expired.
+  @retval EFI_SUCCESS             In non-blocking mode, function has been dispatched
+                                  to all enabled CPUs.
+  @retval EFI_DEVICE_ERROR        Caller processor is AP.
+  @retval EFI_NOT_READY           Any enabled APs are busy.
+  @retval EFI_NOT_READY           MP Initialize Library is not initialized.
+  @retval EFI_TIMEOUT             In blocking mode, the timeout expired before
+                                  all enabled APs have finished.
+  @retval EFI_INVALID_PARAMETER   Procedure is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+MpInitLibStartupAllCPUs (
+  IN  EFI_AP_PROCEDURE          Procedure,
+  IN  UINTN                     TimeoutInMicroseconds,
+  IN  VOID                      *ProcedureArgument      OPTIONAL
+  );
+
 #endif
-- 
2.21.0.windows.1


  reply	other threads:[~2019-07-22  7:14 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-22  7:14 [Patch v2 0/6] UefiCpuPkg: Enable Edkii Mp Services2 Ppi Dong, Eric
2019-07-22  7:14 ` Dong, Eric [this message]
2019-07-22  7:18   ` [edk2-devel] [Patch v2 1/6] UefiCpuPkg/Include/MpInitLib.h: Add MpInitLibStartupAllCPUs API Ni, Ray
2019-07-22  7:14 ` [Patch v2 2/6] UefiCpuPkg/MpInitLib: " Dong, Eric
2019-07-23  5:46   ` [edk2-devel] " Ni, Ray
2019-07-22  7:14 ` [Patch v2 3/6] UefiCpuPkg/MpInitLibUp: " Dong, Eric
2019-07-23  5:49   ` [edk2-devel] " Ni, Ray
2019-07-22  7:14 ` [Patch v2 4/6] UefiCpuPkg: Add new EDKII_PEI_MP_SERVICES2_PPI Dong, Eric
2019-07-23  5:51   ` Ni, Ray
2019-07-22  7:14 ` [Patch v2 5/6] UefiCpuPkg/CpuMpPei: Produce EDKII_PEI_MP_SERVICES2_PPI Dong, Eric
2019-07-22  7:14 ` [Patch v2 6/6] UefiCpuPkg/RegisterCpuFeaturesLib: Start all processors simultaneously Dong, Eric

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=20190722071423.17372-2-eric.dong@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