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OvmfPkg: Introduce PcdXenGrantFrames

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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>
Message-Id: <20190813113119.14804-33-anthony.perard@citrix.com>
This commit is contained in:
Anthony PERARD
2019-08-13 12:31:16 +01:00
committed by Laszlo Ersek
parent 05480e2fd4
commit 8f39d79d65
4 changed files with 8 additions and 2 deletions
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3
OvmfPkg/XenBusDxe/GrantTable.c
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@@ -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;