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Commit eed6ad89 authored by Isaac J. Manjarres's avatar Isaac J. Manjarres Committed by Gerrit - the friendly Code Review server
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iommu: Introduce DOMAIN_ATTR_SPLIT_TABLES 



Introduce DOMAIN_ATTR_SPLIT_TABLES for IOMMU domains that will
use the upper portion of the IOVA space, in conjunction with the
lower portion of the IOVA space.

Change-Id: I9d786396f5306f920c1d023bba8c85dce041c83c
Signed-off-by: default avatarIsaac J. Manjarres <isaacm@codeaurora.org>
parent a65504bf

drivers/iommu/iommu-debug.c

+2 −0
Original line number Diff line number Diff line
@@ -84,6 +84,8 @@ static const char *iommu_debug_attr_to_string(enum iommu_attr attr) 
		return "DOMAIN_ATTR_EARLY_MAP";

	case DOMAIN_ATTR_CB_STALL_DISABLE:

		return "DOMAIN_ATTR_CB_STALL_DISABLE";

	case DOMAIN_ATTR_SPLIT_TABLES:

		return "DOMAIN_ATTR_SPLIT_TABLES";

	default:

		return "Unknown attr!";

	}

include/linux/iommu.h

+2 −1
Original line number Diff line number Diff line
@@ -189,7 +189,8 @@ enum iommu_attr { 
#define DOMAIN_ATTR_CB_STALL_DISABLE		(EXTENDED_ATTR_BASE + 17)

#define DOMAIN_ATTR_USE_LLC_NWA			(EXTENDED_ATTR_BASE + 18)

#define DOMAIN_ATTR_NO_CFRE			(EXTENDED_ATTR_BASE + 19)

#define DOMAIN_ATTR_EXTENDED_MAX		(EXTENDED_ATTR_BASE + 20)

#define DOMAIN_ATTR_SPLIT_TABLES		(EXTENDED_ATTR_BASE + 20)

#define DOMAIN_ATTR_EXTENDED_MAX		(EXTENDED_ATTR_BASE + 21)



/* These are the possible reserved region types */

enum iommu_resv_type {