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From: Shannon Zhao <zhaoshenglong@huawei.com>
To: linux-arm-kernel@lists.infradead.org, ard.biesheuvel@linaro.org,
	stefano.stabellini@citrix.com, david.vrabel@citrix.com
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	linux-efi@vger.kernel.org, ian.campbell@citrix.com,
	catalin.marinas@arm.com, will.deacon@arm.com,
	linux-kernel@vger.kernel.org, xen-devel@lists.xen.org,
	julien.grall@arm.com, shannon.zhao@linaro.org,
	peter.huangpeng@huawei.com
Subject: [PATCH v6 08/17] Xen: public/hvm: sync changes of HVM_PARAM_CALLBACK_VIA ABI from Xen
Date: Thu, 17 Mar 2016 17:57:07 +0800	[thread overview]
Message-ID: <1458208636-12960-9-git-send-email-zhaoshenglong@huawei.com> (raw)
In-Reply-To: <1458208636-12960-1-git-send-email-zhaoshenglong@huawei.com>

From: Shannon Zhao <shannon.zhao@linaro.org>

Sync the changes of HVM_PARAM_CALLBACK_VIA ABI introduced by
Xen commit <ca5c54b6ff05> (public/hvm: export the HVM_PARAM_CALLBACK_VIA
ABI in the API).

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 include/xen/interface/hvm/params.h | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h
index a6c7991..70ad208 100644
--- a/include/xen/interface/hvm/params.h
+++ b/include/xen/interface/hvm/params.h
@@ -27,16 +27,31 @@
  * Parameter space for HVMOP_{set,get}_param.
  */
 
+#define HVM_PARAM_CALLBACK_IRQ 0
 /*
  * How should CPU0 event-channel notifications be delivered?
- * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt).
- * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows:
- *                  Domain = val[47:32], Bus  = val[31:16],
- *                  DevFn  = val[15: 8], IntX = val[ 1: 0]
- * val[63:56] == 2: val[7:0] is a vector number.
+ *
  * If val == 0 then CPU0 event-channel notifications are not delivered.
+ * If val != 0, val[63:56] encodes the type, as follows:
+ */
+
+#define HVM_PARAM_CALLBACK_TYPE_GSI      0
+/*
+ * val[55:0] is a delivery GSI.  GSI 0 cannot be used, as it aliases val == 0,
+ * and disables all notifications.
+ */
+
+#define HVM_PARAM_CALLBACK_TYPE_PCI_INTX 1
+/*
+ * val[55:0] is a delivery PCI INTx line:
+ * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0]
+ */
+
+#define HVM_PARAM_CALLBACK_TYPE_VECTOR   2
+/*
+ * val[7:0] is a vector number.  Check for XENFEAT_hvm_callback_vector to know
+ * if this delivery method is available.
  */
-#define HVM_PARAM_CALLBACK_IRQ 0
 
 #define HVM_PARAM_STORE_PFN    1
 #define HVM_PARAM_STORE_EVTCHN 2
-- 
2.0.4



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  parent reply	other threads:[~2016-03-17  9:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-17  9:56 [PATCH v6 00/17] Add ACPI support for Xen Dom0 on ARM64 Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 01/17] Xen: ACPI: Hide UART used by Xen Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 02/17] xen/grant-table: Move xlated_setup_gnttab_pages to common place Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 03/17] Xen: xlate: Use page_to_xen_pfn instead of page_to_pfn Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 04/17] arm/xen: Use xen_xlate_map_ballooned_pages to setup grant table Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 05/17] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 06/17] Xen: ARM: Add support for mapping platform device mmio Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 07/17] Xen: ARM: Add support for mapping AMBA " Shannon Zhao
2016-03-17  9:57 ` Shannon Zhao [this message]
2016-03-17  9:57 ` [PATCH v6 09/17] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 10/17] arm/xen: Get event-channel irq through HVM_PARAM when booting with ACPI Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 11/17] ARM: XEN: Move xen_early_init() before efi_init() Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 12/17] ARM64: ACPI: Check if it runs on Xen to enable or disable ACPI Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 13/17] ARM: Xen: Document UEFI support on Xen ARM virtual platforms Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 14/17] XEN: EFI: Move x86 specific codes to architecture directory Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 15/17] ARM64: XEN: Add a function to initialize Xen specific UEFI runtime services Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 16/17] FDT: Add a helper to get the subnode by given name Shannon Zhao
2016-03-17  9:57 ` [PATCH v6 17/17] Xen: EFI: Parse DT parameters for Xen specific UEFI Shannon Zhao
     [not found] ` <1458208636-12960-2-git-send-email-zhaoshenglong@huawei.com>
2016-03-17 12:59   ` [PATCH v6 01/17] Xen: ACPI: Hide UART used by Xen Rafael J. Wysocki
2016-03-24 12:21 ` [PATCH v6 00/17] Add ACPI support for Xen Dom0 on ARM64 Stefano Stabellini

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