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From: "Laszlo Ersek" <lersek@redhat.com>
To: devel@edk2.groups.io, anthony.perard@citrix.com
Cc: Jordan Justen <jordan.l.justen@intel.com>,
	Julien Grall <julien.grall@arm.com>,
	xen-devel@lists.xenproject.org,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: Re: [edk2-devel] [PATCH v5 32/35] OvmfPkg: Introduce PcdXenGrantFrames
Date: Thu, 15 Aug 2019 11:45:38 +0200	[thread overview]
Message-ID: <1edc44c2-9b8f-a10a-c341-d16e81d59d56@redhat.com> (raw)
In-Reply-To: <2fdb7299-ad4c-787e-3dd3-ea18f269aefa@redhat.com>

On 08/15/19 11:40, Laszlo Ersek wrote:
> On 08/13/19 13:31, Anthony PERARD wrote:
>> Introduce PcdXenGrantFrames to replace a define in XenBusDxe and allow
>> the same value to be used in a different module.
>>
>> The reason for the number of page to be 4 doesn't exist anymore, so
>> simply remove the comment.
>>
>> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
>> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
>> ---
>>
>> Notes:
>>     v5:
>>     - add missing PcdLib to [LibraryClasses]
> 
> Yes, that's for
> 
> http://mid.mail-archive.com/365f2b95-b6c9-03cf-5346-5e1192bfa437@redhat.com
> https://edk2.groups.io/g/devel/message/44621
> 
> Thanks for it,
> Laszlo
> 
>>     v4:
>>     - new patch

Also thanks for adding the v4 note retro-actively.

Thanks
Laszlo

>>  OvmfPkg/OvmfPkg.dec             | 3 +++
>>  OvmfPkg/XenBusDxe/XenBusDxe.inf | 3 +++
>>  OvmfPkg/XenBusDxe/XenBusDxe.h   | 1 +
>>  OvmfPkg/XenBusDxe/GrantTable.c  | 3 +--
>>  4 files changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
>> index 04d5e29272..d5fee805ef 100644
>> --- a/OvmfPkg/OvmfPkg.dec
>> +++ b/OvmfPkg/OvmfPkg.dec
>> @@ -225,6 +225,9 @@ [PcdsFixedAtBuild]
>>    gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|0x0|UINT32|0x17
>>    gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize|0x0|UINT32|0x32
>>  
>> +  ## Number of page frames to use for storing grant table entries.
>> +  gUefiOvmfPkgTokenSpaceGuid.PcdXenGrantFrames|4|UINT32|0x33
>> +
>>  [PcdsDynamic, PcdsDynamicEx]
>>    gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2
>>    gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable|FALSE|BOOLEAN|0x10
>> diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.inf b/OvmfPkg/XenBusDxe/XenBusDxe.inf
>> index 86e0fb8224..536b49fa8c 100644
>> --- a/OvmfPkg/XenBusDxe/XenBusDxe.inf
>> +++ b/OvmfPkg/XenBusDxe/XenBusDxe.inf
>> @@ -51,6 +51,7 @@ [LibraryClasses]
>>    XenHypercallLib
>>    SynchronizationLib
>>    PrintLib
>> +  PcdLib
>>  
>>  [Protocols]
>>    gEfiDriverBindingProtocolGuid
>> @@ -59,3 +60,5 @@ [Protocols]
>>    gXenBusProtocolGuid
>>    gXenIoProtocolGuid
>>  
>> +[FixedPcd]
>> +  gUefiOvmfPkgTokenSpaceGuid.PcdXenGrantFrames
>> diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.h b/OvmfPkg/XenBusDxe/XenBusDxe.h
>> index 8510361bca..b1dcc3549c 100644
>> --- a/OvmfPkg/XenBusDxe/XenBusDxe.h
>> +++ b/OvmfPkg/XenBusDxe/XenBusDxe.h
>> @@ -22,6 +22,7 @@
>>  #include <Library/UefiLib.h>
>>  #include <Library/DevicePathLib.h>
>>  #include <Library/DebugLib.h>
>> +#include <Library/PcdLib.h>
>>  
>>  
>>  //
>> diff --git a/OvmfPkg/XenBusDxe/GrantTable.c b/OvmfPkg/XenBusDxe/GrantTable.c
>> index 6575e9b88c..1130404cd1 100644
>> --- a/OvmfPkg/XenBusDxe/GrantTable.c
>> +++ b/OvmfPkg/XenBusDxe/GrantTable.c
>> @@ -22,8 +22,7 @@
>>  
>>  #define NR_RESERVED_ENTRIES 8
>>  
>> -/* NR_GRANT_FRAMES must be less than or equal to that configured in Xen */
>> -#define NR_GRANT_FRAMES 4
>> +#define NR_GRANT_FRAMES (FixedPcdGet32 (PcdXenGrantFrames))
>>  #define NR_GRANT_ENTRIES (NR_GRANT_FRAMES * EFI_PAGE_SIZE / sizeof(grant_entry_v1_t))
>>  
>>  STATIC grant_entry_v1_t *GrantTable = NULL;
>>
> 


  reply	other threads:[~2019-08-15  9:45 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-13 11:30 [PATCH v5 00/35] Specific platform to run OVMF in Xen PVH and HVM guests Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 01/35] OvmfPkg/ResetSystemLib: Add missing dependency on PciLib Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 02/35] OvmfPkg: Create platform OvmfXen Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 03/35] OvmfPkg: Introduce XenResetVector Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 04/35] OvmfPkg: Introduce XenPlatformPei Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 05/35] OvmfPkg/OvmfXen: Creating an ELF header Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 06/35] OvmfPkg/XenResetVector: Add new entry point for Xen PVH Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 07/35] OvmfPkg/XenResetVector: Saving start of day pointer for PVH guests Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 08/35] OvmfPkg/XenResetVector: Allow jumpstart from either hvmloader or PVH Anthony PERARD
2019-08-21 16:31   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:30 ` [PATCH v5 09/35] OvmfPkg/OvmfXen: use a TimerLib instance that depends only on the CPU Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 10/35] OvmfPkg/XenPlatformPei: Detect OVMF_INFO from hvmloader Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 11/35] OvmfPkg/XenPlatformPei: Use mXenHvmloaderInfo to get E820 Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 12/35] OvmfPkg/XenPlatformPei: Grab RSDP from PVH guest start of day struct Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 13/35] OvmfPkg/Library/XenPlatformLib: New library Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 14/35] OvmfPkg/AcpiPlatformDxe: Use XenPlatformLib Anthony PERARD
2019-08-13 11:30 ` [PATCH v5 15/35] OvmfPkg/AcpiPlatformDxe: Use Xen PVH RSDP if it exist Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 16/35] OvmfPkg/XenHypercallLib: Enable it in PEIM Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 17/35] OvmfPkg/XenPlatformPei: Reinit XenHypercallLib Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 18/35] OvmfPkg/XenPlatformPei: Introduce XenHvmloaderDetected Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 19/35] OvmfPkg/XenPlatformPei: Setup HyperPages earlier Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 20/35] OvmfPkg/XenPlatformPei: Introduce XenPvhDetected Anthony PERARD
2019-08-15  8:54   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:31 ` [PATCH v5 21/35] OvmfPkg: Import XENMEM_memory_map hypercall to Xen/memory.h Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 22/35] OvmfPkg/XenPlatformPei: no hvmloader: get the E820 table via hypercall Anthony PERARD
2019-08-15  8:59   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:31 ` [PATCH v5 23/35] OvmfPkg/XenPlatformPei: Rework memory detection Anthony PERARD
2019-08-15  9:26   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:31 ` [PATCH v5 24/35] OvmfPkg/XenPlatformPei: Reserve VGA memory region, to boot Linux Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 25/35] OvmfPkg/XenPlatformPei: Ignore missing PCI Host Bridge on Xen PVH Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 26/35] OvmfPkg/XenPlatformLib: Cache result for XenDetected Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 27/35] OvmfPkg/PlatformBootManagerLib: Use XenDetected from XenPlatformLib Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 28/35] OvmfPkg/PlatformBootManagerLib: Handle the absence of PCI bus on Xen PVH Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 29/35] OvmfPkg/OvmfXen: Override PcdFSBClock to Xen vLAPIC timer frequency Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 30/35] OvmfPkg/OvmfXen: Introduce XenTimerDxe Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 31/35] OvmfPkg/PlatformBootManagerLib: Use a Xen console for ConOut/ConIn Anthony PERARD
2019-08-15  9:35   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:31 ` [PATCH v5 32/35] OvmfPkg: Introduce PcdXenGrantFrames Anthony PERARD
2019-08-15  9:40   ` [edk2-devel] " Laszlo Ersek
2019-08-15  9:45     ` Laszlo Ersek [this message]
2019-08-13 11:31 ` [PATCH v5 33/35] OvmfPkg: Introduce XenIoPvhDxe to initialize Grant Tables Anthony PERARD
2019-08-15  9:42   ` [edk2-devel] " Laszlo Ersek
2019-08-13 11:31 ` [PATCH v5 34/35] OvmfPkg: Move XenRealTimeClockLib from ArmVirtPkg Anthony PERARD
2019-08-13 11:31 ` [PATCH v5 35/35] OvmfPkg/OvmfXen: use RealTimeClockRuntimeDxe from EmbeddedPkg Anthony PERARD
2019-08-15 11:03 ` [edk2-devel] [PATCH v5 00/35] Specific platform to run OVMF in Xen PVH and HVM guests Laszlo Ersek
2019-08-21 16:16   ` Laszlo Ersek

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