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.per...@citrix.com> --- OvmfPkg/OvmfPkg.dec | 3 +++ OvmfPkg/XenBusDxe/XenBusDxe.inf | 2 ++ OvmfPkg/XenBusDxe/XenBusDxe.h | 1 + OvmfPkg/XenBusDxe/GrantTable.c | 3 +-- 4 files changed, 7 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..0b78cd0af4 100644 --- a/OvmfPkg/XenBusDxe/XenBusDxe.inf +++ b/OvmfPkg/XenBusDxe/XenBusDxe.inf @@ -59,3 +59,5 @@ [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; -- Anthony PERARD -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44546): https://edk2.groups.io/g/devel/message/44546 Mute This Topic: https://groups.io/mt/32644072/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
