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From: Penny Zheng <Penny.Zheng@arm.com>
To: xen-devel@lists.xenproject.org
Cc: wei.chen@arm.com, Penny Zheng <Penny.Zheng@arm.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>,
	Bertrand Marquis <bertrand.marquis@arm.com>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	Penny Zheng <penny.zheng@arm.com>
Subject: [PATCH v2 6/9] xen/arm: add P2M type parameter in guest_physmap_add_pages
Date: Fri,  6 May 2022 15:24:59 +0800	[thread overview]
Message-ID: <20220506072502.2177828-7-Penny.Zheng@arm.com> (raw)
In-Reply-To: <20220506072502.2177828-1-Penny.Zheng@arm.com>

In order to cover the scenario where users intend to set up guest
p2m foreign mapping with nr_pages, this commit adds a new P2M type
parameter in guest_physmap_add_pages.

Signed-off-by: Penny Zheng <penny.zheng@arm.com>
---
v2 change:
- no change
---
 xen/arch/arm/domain_build.c    | 5 +++--
 xen/arch/arm/include/asm/p2m.h | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index b3ba0c501d..089b9e99fc 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -507,7 +507,7 @@ static bool __init append_static_memory_to_bank(struct domain *d,
     else
         sgfn = gaddr_to_gfn(mfn_to_maddr(smfn));
 
-    res = guest_physmap_add_pages(d, sgfn, smfn, nr_pages);
+    res = guest_physmap_add_pages(d, sgfn, smfn, nr_pages, p2m_ram_rw);
     if ( res )
     {
         dprintk(XENLOG_ERR, "Failed to map pages to DOMU: %d", res);
@@ -850,7 +850,8 @@ static int __init allocate_shared_memory(struct domain *d,
     nr_pages = PFN_DOWN(psize);
     if ( d != dom_io )
     {
-        ret = guest_physmap_add_pages(d, gaddr_to_gfn(gbase), smfn, PFN_DOWN(psize));
+        ret = guest_physmap_add_pages(d, gaddr_to_gfn(gbase), smfn, nr_pages,
+                                      p2m_ram_rw);
         if ( ret )
         {
             printk(XENLOG_ERR
diff --git a/xen/arch/arm/include/asm/p2m.h b/xen/arch/arm/include/asm/p2m.h
index 8cce459b67..58590145b0 100644
--- a/xen/arch/arm/include/asm/p2m.h
+++ b/xen/arch/arm/include/asm/p2m.h
@@ -317,9 +317,10 @@ guest_physmap_add_page(struct domain *d, gfn_t gfn, mfn_t mfn,
 static inline int guest_physmap_add_pages(struct domain *d,
                                           gfn_t gfn,
                                           mfn_t mfn,
-                                          unsigned int nr_pages)
+                                          unsigned int nr_pages,
+                                          p2m_type_t t)
 {
-    return p2m_insert_mapping(d, gfn, nr_pages, mfn, p2m_ram_rw);
+    return p2m_insert_mapping(d, gfn, nr_pages, mfn, t);
 }
 
 mfn_t gfn_to_mfn(struct domain *d, gfn_t gfn);
-- 
2.25.1



  parent reply	other threads:[~2022-05-06  7:26 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-06  7:24 [PATCH v2 0/9] static shared memory on dom0less system Penny Zheng
2022-05-06  7:24 ` [PATCH v2 1/9] xen/arm: introduce static shared memory Penny Zheng
2022-05-07  1:08   ` Stefano Stabellini
2022-05-07  6:43     ` Penny Zheng
2022-05-06  7:24 ` [PATCH v2 2/9] xen/arm: allocate static shared memory to the default owner dom_io Penny Zheng
2022-05-06 10:13   ` Jan Beulich
2022-05-07  1:08   ` Stefano Stabellini
2022-05-06  7:24 ` [PATCH v2 3/9] xen/arm: allocate static shared memory to a specific owner domain Penny Zheng
2022-05-07  1:08   ` Stefano Stabellini
2022-05-06  7:24 ` [PATCH v2 4/9] xen/arm: introduce put_page_nr and get_page_nr Penny Zheng
2022-05-07  1:08   ` Stefano Stabellini
2022-05-07  8:04     ` Penny Zheng
2022-05-09 19:10       ` Stefano Stabellini
2022-05-07  9:10   ` Julien Grall
2022-05-06  7:24 ` [PATCH v2 5/9] xen/arm: Add additional reference to owner domain when the owner is allocated Penny Zheng
2022-05-07  1:09   ` Stefano Stabellini
2022-05-06  7:24 ` Penny Zheng [this message]
2022-05-07  1:09   ` [PATCH v2 6/9] xen/arm: add P2M type parameter in guest_physmap_add_pages Stefano Stabellini
2022-05-07  9:00   ` Julien Grall
2022-05-07  9:20     ` Penny Zheng
2022-05-06  7:25 ` [PATCH v2 7/9] xen/arm: set up shared memory foreign mapping for borrower domain Penny Zheng
2022-05-07  1:09   ` Stefano Stabellini
2022-05-06  7:25 ` [PATCH v2 8/9] xen/arm: create shared memory nodes in guest device tree Penny Zheng
2022-05-07  1:09   ` Stefano Stabellini
2022-05-07 11:26     ` Julien Grall
2022-05-06  7:25 ` [PATCH v2 9/9] xen/arm: enable statically shared memory on Dom0 Penny Zheng
2022-05-07  1:09   ` Stefano Stabellini

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