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 v3 3/6] UefiCpuPkg/MpInitLibUp: Add MpInitLibStartupAllCPUs API.
Date: Wed, 24 Jul 2019 15:07:24 +0800 [thread overview]
Message-ID: <20190724070727.14976-4-eric.dong@intel.com> (raw)
In-Reply-To: <20190724070727.14976-1-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/Library/MpInitLibUp/MpInitLibUp.c | 35 ++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c b/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
index 36c2bb5326..b4024ee1ae 100644
--- a/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
+++ b/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
@@ -405,3 +405,38 @@ MpInitLibWhoAmI (
*ProcessorNumber = 0;
return EFI_SUCCESS;
}
+
+/**
+ 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. TimeoutInMicroseconds is ignored
+ for BSP.
+ @param[in] ProcedureArgument The parameter passed into Procedure for
+ all APs.
+
+ @retval EFI_SUCCESS CPU have finished the procedure.
+ @retval EFI_INVALID_PARAMETER Procedure is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+MpInitLibStartupAllCPUs (
+ IN EFI_AP_PROCEDURE Procedure,
+ IN UINTN TimeoutInMicroseconds,
+ IN VOID *ProcedureArgument OPTIONAL
+ )
+{
+ if (Procedure == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Procedure (ProcedureArgument);
+
+ return EFI_SUCCESS;
+}
--
2.21.0.windows.1
next prev parent reply other threads:[~2019-07-24 7:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-24 7:07 [Patch v3 0/6] UefiCpuPkg: Enable Edkii Mp Services2 Ppi Dong, Eric
2019-07-24 7:07 ` [Patch v3 1/6] UefiCpuPkg/Include/MpInitLib.h: Add MpInitLibStartupAllCPUs API Dong, Eric
2019-07-26 10:36 ` [edk2-devel] " Laszlo Ersek
2019-07-24 7:07 ` [Patch v3 2/6] UefiCpuPkg/MpInitLib: " Dong, Eric
2019-07-26 10:36 ` [edk2-devel] " Laszlo Ersek
2019-07-24 7:07 ` Dong, Eric [this message]
2019-07-25 8:53 ` [edk2-devel] [Patch v3 3/6] UefiCpuPkg/MpInitLibUp: " Ni, Ray
2019-07-26 10:37 ` Laszlo Ersek
2019-07-24 7:07 ` [Patch v3 4/6] UefiCpuPkg: Add new EDKII_PEI_MP_SERVICES2_PPI Dong, Eric
2019-07-25 8:53 ` Ni, Ray
2019-07-26 10:37 ` [edk2-devel] " Laszlo Ersek
2019-07-24 7:07 ` [Patch v3 5/6] UefiCpuPkg/CpuMpPei: Produce EDKII_PEI_MP_SERVICES2_PPI Dong, Eric
2019-07-25 8:55 ` Ni, Ray
2019-07-26 10:38 ` [edk2-devel] " Laszlo Ersek
2019-07-24 7:07 ` [Patch v3 6/6] UefiCpuPkg/RegisterCpuFeaturesLib: Start all processors simultaneously Dong, Eric
2019-07-25 8:59 ` Ni, Ray
2019-07-26 10:38 ` [edk2-devel] " Laszlo Ersek
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