From: Stefano Stabellini <sstabellini@kernel.org>
To: xen-devel@lists.xenproject.org
Cc: Stefano Stabellini <stefanos@xilinx.com>,
julien.grall@arm.com, sstabellini@kernel.org
Subject: [Xen-devel] [PATCH v4 1/6] xen/arm: introduce p2m_is_mmio
Date: Tue, 6 Aug 2019 17:23:06 -0700 [thread overview]
Message-ID: <20190807002311.9906-1-sstabellini@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.21.1908061708420.2451@sstabellini-ThinkPad-T480s>
Add a p2m_is_mmio macro for easy checkings.
Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
---
xen/include/asm-arm/p2m.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 03f2ee75c1..31902317da 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -132,6 +132,11 @@ typedef enum {
#define P2M_RAM_TYPES (p2m_to_mask(p2m_ram_rw) | \
p2m_to_mask(p2m_ram_ro))
+/* MMIO types */
+#define P2M_MMIO_TYPES (p2m_to_mask(p2m_mmio_direct_dev) | \
+ p2m_to_mask(p2m_mmio_direct_nc) | \
+ p2m_to_mask(p2m_mmio_direct_c))
+
/* Grant mapping types, which map to a real frame in another VM */
#define P2M_GRANT_TYPES (p2m_to_mask(p2m_grant_map_rw) | \
p2m_to_mask(p2m_grant_map_ro))
@@ -146,6 +151,7 @@ typedef enum {
#define p2m_is_any_ram(_t) (p2m_to_mask(_t) & \
(P2M_RAM_TYPES | P2M_GRANT_TYPES | \
P2M_FOREIGN_TYPES))
+#define p2m_is_mmio(_t) (p2m_to_mask(_t) & P2M_MMIO_TYPES)
/* All common type definitions should live ahead of this inclusion. */
#ifdef _XEN_P2M_COMMON_H
--
2.17.1
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next prev parent reply other threads:[~2019-08-07 0:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 0:23 [Xen-devel] [PATCH v4 0/6] iomem memory policy Stefano Stabellini
2019-08-07 0:23 ` Stefano Stabellini [this message]
2019-08-09 10:05 ` [Xen-devel] [PATCH v4 1/6] xen/arm: introduce p2m_is_mmio Julien Grall
2019-08-07 0:23 ` [Xen-devel] [PATCH v4 2/6] xen: add a p2mt parameter to map_mmio_regions Stefano Stabellini
2019-08-09 10:23 ` Julien Grall
2019-08-09 10:37 ` Jan Beulich
2019-08-09 10:51 ` Julien Grall
2019-08-09 11:07 ` Jan Beulich
2019-08-09 11:10 ` Jan Beulich
2019-08-07 0:23 ` [Xen-devel] [PATCH v4 3/6] xen: extend XEN_DOMCTL_memory_mapping to handle memory policy Stefano Stabellini
2019-08-09 11:25 ` Jan Beulich
2019-08-09 17:25 ` Julien Grall
2019-08-07 0:23 ` [Xen-devel] [PATCH v4 4/6] libxc: introduce xc_domain_mem_map_policy Stefano Stabellini
2019-08-07 0:23 ` [Xen-devel] [PATCH v4 5/6] libxl/xl: add memory policy option to iomem Stefano Stabellini
2019-08-09 17:23 ` Julien Grall
2019-08-07 0:23 ` [Xen-devel] [PATCH v4 6/6] xen/arm: clarify the support status of iomem configurations Stefano Stabellini
2019-08-07 9:08 ` Julien Grall
2019-08-07 9:16 ` Julien Grall
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