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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: xen-devel@lists.xen.org
Cc: wei.liu2@citrix.com, andrew.cooper3@citrix.com,
	ian.jackson@eu.citrix.com, julien.grall@arm.com,
	jbeulich@suse.com, zhaoshenglong@huawei.com,
	boris.ostrovsky@oracle.com, roger.pau@citrix.com
Subject: [PATCH v3 04/19] acpi/hvmloader: Make providing IOAPIC in MADT optional
Date: Wed,  7 Sep 2016 14:59:14 -0400	[thread overview]
Message-ID: <1473274769-19129-5-git-send-email-boris.ostrovsky@oracle.com> (raw)
In-Reply-To: <1473274769-19129-1-git-send-email-boris.ostrovsky@oracle.com>

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
 tools/firmware/hvmloader/acpi/build.c   | 70 ++++++++++++++++++---------------
 tools/firmware/hvmloader/acpi/libacpi.h |  1 +
 tools/firmware/hvmloader/util.c         |  2 +-
 3 files changed, 40 insertions(+), 33 deletions(-)

diff --git a/tools/firmware/hvmloader/acpi/build.c b/tools/firmware/hvmloader/acpi/build.c
index 80386b9..7e7c11f 100644
--- a/tools/firmware/hvmloader/acpi/build.c
+++ b/tools/firmware/hvmloader/acpi/build.c
@@ -99,43 +99,49 @@ static struct acpi_20_madt *construct_madt(const struct acpi_config *config,
     madt->lapic_addr = LAPIC_BASE_ADDRESS;
     madt->flags      = ACPI_PCAT_COMPAT;
 
-    intsrcovr = (struct acpi_20_madt_intsrcovr *)(madt + 1);
-    for ( i = 0; i < 16; i++ )
-    {
-        memset(intsrcovr, 0, sizeof(*intsrcovr));
-        intsrcovr->type   = ACPI_INTERRUPT_SOURCE_OVERRIDE;
-        intsrcovr->length = sizeof(*intsrcovr);
-        intsrcovr->source = i;
-
-        if ( i == 0 )
-        {
-            /* ISA IRQ0 routed to IOAPIC GSI 2. */
-            intsrcovr->gsi    = 2;
-            intsrcovr->flags  = 0x0;
-        }
-        else if ( PCI_ISA_IRQ_MASK & (1U << i) )
-        {
-            /* PCI: active-low level-triggered. */
-            intsrcovr->gsi    = i;
-            intsrcovr->flags  = 0xf;
-        }
-        else
+    if ( config->table_flags & ACPI_HAS_IOAPIC )
+    {     
+        intsrcovr = (struct acpi_20_madt_intsrcovr *)(madt + 1);
+        for ( i = 0; i < 16; i++ )
         {
-            /* No need for a INT source override structure. */
-            continue;
+            memset(intsrcovr, 0, sizeof(*intsrcovr));
+            intsrcovr->type   = ACPI_INTERRUPT_SOURCE_OVERRIDE;
+            intsrcovr->length = sizeof(*intsrcovr);
+            intsrcovr->source = i;
+
+            if ( i == 0 )
+            {
+                /* ISA IRQ0 routed to IOAPIC GSI 2. */
+                intsrcovr->gsi    = 2;
+                intsrcovr->flags  = 0x0;
+            }
+            else if ( PCI_ISA_IRQ_MASK & (1U << i) )
+            {
+                /* PCI: active-low level-triggered. */
+                intsrcovr->gsi    = i;
+                intsrcovr->flags  = 0xf;
+            }
+            else
+            {
+                /* No need for a INT source override structure. */
+                continue;
+            }
+
+            intsrcovr++;
         }
 
-        intsrcovr++;
-    }
+        io_apic = (struct acpi_20_madt_ioapic *)intsrcovr;
+        memset(io_apic, 0, sizeof(*io_apic));
+        io_apic->type        = ACPI_IO_APIC;
+        io_apic->length      = sizeof(*io_apic);
+        io_apic->ioapic_id   = IOAPIC_ID;
+        io_apic->ioapic_addr = ioapic_base_address;
 
-    io_apic = (struct acpi_20_madt_ioapic *)intsrcovr;
-    memset(io_apic, 0, sizeof(*io_apic));
-    io_apic->type        = ACPI_IO_APIC;
-    io_apic->length      = sizeof(*io_apic);
-    io_apic->ioapic_id   = IOAPIC_ID;
-    io_apic->ioapic_addr = ioapic_base_address;
+        lapic = (struct acpi_20_madt_lapic *)(io_apic + 1);
+    }
+    else
+        lapic = (struct acpi_20_madt_lapic *)(madt + 1);
 
-    lapic = (struct acpi_20_madt_lapic *)(io_apic + 1);
     info->nr_cpus = hvminfo->nr_vcpus;
     info->madt_lapic0_addr = (uint32_t)lapic;
     for ( i = 0; i < hvminfo->nr_vcpus; i++ )
diff --git a/tools/firmware/hvmloader/acpi/libacpi.h b/tools/firmware/hvmloader/acpi/libacpi.h
index cc57a9c..b089cc5 100644
--- a/tools/firmware/hvmloader/acpi/libacpi.h
+++ b/tools/firmware/hvmloader/acpi/libacpi.h
@@ -30,6 +30,7 @@
 #define ACPI_HAS_SSDT_S3     (1<<5)
 #define ACPI_HAS_SSDT_S4     (1<<6)
 #define ACPI_HAS_TCPA        (1<<7)
+#define ACPI_HAS_IOAPIC      (1<<8)
 
 
 struct acpi_numa {
diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c
index 8875675..aa5fc20 100644
--- a/tools/firmware/hvmloader/util.c
+++ b/tools/firmware/hvmloader/util.c
@@ -919,7 +919,7 @@ void hvmloader_acpi_build_tables(struct acpi_config *config,
     if ( !strncmp(xenstore_read("platform/acpi_s4", "1"), "1", 1)  )
         config->table_flags |= ACPI_HAS_SSDT_S4;
 
-    config->table_flags |= ACPI_HAS_TCPA;
+    config->table_flags |= (ACPI_HAS_TCPA | ACPI_HAS_IOAPIC);
 
     config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS;
 
-- 
1.8.3.1


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  parent reply	other threads:[~2016-09-07 18:59 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-07 18:59 [PATCH v3 00/19] Make ACPI builder available to components other than hvmloader Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 01/19] acpi: Re-license ACPI builder files from GPLv2 to LGPLv2.1 Boris Ostrovsky
2016-09-07 19:48   ` Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 02/19] acpi/hvmloader: Collect processor and NUMA info in hvmloader Boris Ostrovsky
2016-09-08 13:41   ` Jan Beulich
2016-09-07 18:59 ` [PATCH v3 03/19] acpi/hvmloader: Set TIS header address " Boris Ostrovsky
2016-09-07 18:59 ` Boris Ostrovsky [this message]
2016-09-07 18:59 ` [PATCH v3 05/19] acpi/hvmloader: Build WAET optionally Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 06/19] acpi/hvmloader: Replace mem_alloc() and virt_to_phys() with memory ops Boris Ostrovsky
2016-09-08 13:54   ` Jan Beulich
2016-09-07 18:59 ` [PATCH v3 07/19] acpi/hvmloader: Translate all addresses when assigning addresses in ACPI tables Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 08/19] acpi/hvmloader: Link ACPI object files directly Boris Ostrovsky
2016-09-08 13:56   ` Jan Beulich
2016-09-07 18:59 ` [PATCH v3 09/19] acpi/hvmloader: Include file/paths adjustments Boris Ostrovsky
2016-09-08 14:05   ` Jan Beulich
2016-09-08 18:29     ` Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 10/19] acpi: Move ACPI code to tools/libacpi Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 11/19] x86: Allow LAPIC-only emulation_flags for HVM guests Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 12/19] libacpi: Build DSDT for PVH guests Boris Ostrovsky
2016-09-08 14:09   ` Jan Beulich
2016-09-14  4:13   ` Shannon Zhao
2016-09-14 12:47     ` Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 13/19] acpi: Makefile should better tolerate interrupts Boris Ostrovsky
2016-09-08 14:15   ` Jan Beulich
2016-09-08 18:51     ` Boris Ostrovsky
2016-09-09  8:03       ` Jan Beulich
2016-09-09 13:07         ` Boris Ostrovsky
2016-09-09 13:29           ` Jan Beulich
2016-09-09 13:56             ` Boris Ostrovsky
2016-09-09 14:13               ` Ian Jackson
2016-09-09 14:31                 ` Boris Ostrovsky
2016-09-09 14:33                   ` Ian Jackson
2016-09-09 14:38                     ` Boris Ostrovsky
2016-09-09 15:20               ` Jan Beulich
2016-09-09 16:05                 ` Boris Ostrovsky
2016-09-09 16:11                   ` Jan Beulich
2016-09-07 18:59 ` [PATCH v3 14/19] libxc/libxl: Allow multiple ACPI modules Boris Ostrovsky
2016-09-15 10:13   ` Wei Liu
2016-09-07 18:59 ` [PATCH v3 15/19] libxl/acpi: Add ACPI e820 entry Boris Ostrovsky
2016-09-15 10:13   ` Wei Liu
2016-09-07 18:59 ` [PATCH v3 16/19] libxl/pvhv2: Include APIC page in MMIO hole for PVHv2 guests Boris Ostrovsky
2016-09-15 10:13   ` Wei Liu
2016-09-07 18:59 ` [PATCH v3 17/19] ilibxl: Initialize domain build info before calling libxl__domain_make Boris Ostrovsky
2016-09-15 10:13   ` Wei Liu
2016-09-07 18:59 ` [PATCH v3 18/19] libxl/acpi: Build ACPI tables for HVMlite guests Boris Ostrovsky
2016-09-08 14:20   ` Jan Beulich
2016-09-08 18:53     ` Boris Ostrovsky
2016-09-09  8:05       ` Jan Beulich
2016-09-09 13:11         ` Boris Ostrovsky
2016-09-09 13:50           ` Ian Jackson
2016-09-09 14:02             ` Boris Ostrovsky
2016-09-07 18:59 ` [PATCH v3 19/19] libxc/xc_dom_core: Copy ACPI tables to guest space Boris Ostrovsky
2016-09-15 10:13   ` Wei Liu
2016-09-14 15:21 ` [PATCH v3 00/19] Make ACPI builder available to components other than hvmloader Boris Ostrovsky
2016-09-15 10:18   ` Wei Liu
2016-09-15 10:20     ` Julien Grall
2016-09-15 10:22       ` Wei Liu
2016-09-15 12:39         ` Boris Ostrovsky
2016-09-15 13:48           ` Julien Grall
2016-09-15 14:07             ` Boris Ostrovsky
2016-09-15 14:21               ` Jan Beulich
2016-09-15 15:28                 ` Boris Ostrovsky
2016-09-15 16:05                   ` Jan Beulich
2016-09-15 16:40                     ` Boris Ostrovsky
2016-09-16  6:45                       ` Jan Beulich
2016-09-16 12:41                         ` Boris Ostrovsky
2016-09-16 15:22                           ` Lars Kurth
2016-09-16 15:53                             ` Boris Ostrovsky
2016-09-19 15:30                               ` Ian Jackson
2016-09-19 15:42                                 ` Boris Ostrovsky
2016-09-19 15:49                                   ` Ian Jackson

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