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120 lines
4.5 KiB
120 lines
4.5 KiB
9 months ago
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From 4f6f881de10e31cac4636d5fde4b7ed4c8affadb Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Thu, 4 Jan 2024 12:02:31 +0100
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Subject: [PATCH 3/3] hw/arm/virt: Do not load efi-virtio.rom for all
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virtio-net-pci variants
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 344: hw/arm/virt: Do not load efi-virtio.rom for any virtio-net-pci variants
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RH-Jira: RHEL-14870
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RH-Acked-by: Gerd Hoffmann <None>
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RH-Acked-by: Sebastian Ott <None>
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RH-Commit: [1/1] ffeaa78ad0a1cff5b49009dfb32d25e5cadc0e05
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Upstream: RHEL-only
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Brew: http://brewweb.engineering.redhat.com/brew/taskinfo?taskID=5785640
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Currently arm_rhel_compat just sets the romfile to "" for
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virtio-net-pci and not for transitional and non transitional
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variants. However, on aarch64 RHEL, efi-virtio.rom is not
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shipped so transitional and non-transitional variants cannot
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be used and the following error is obeserved:
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"Could not open option rom 'efi-virtio.rom': No such file or directory"
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In practice, we do not need any rom file for those virtio-net-pci
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variants either because edk2 already brings the full functionality.
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So let's change the applied compat to cover all the variants. While
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at it also change the way arm_rhel_compat is applied. Instead of
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applying it from the latest _virt_options(), which is error prone
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when upgrading the machine type, let's apply it before calling
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*virt_options in the non abstract machine class. That way the setting
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will apply to any machine type without any need to add it in any
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future machine types.
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We don't really care keeping non void romfiles for transitional and
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non transitional devices on previous machine types because this
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was not working anyway.
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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---
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hw/arm/virt.c | 42 ++++++++++++++++++++++++++++--------------
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1 file changed, 28 insertions(+), 14 deletions(-)
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diff --git a/hw/arm/virt.c b/hw/arm/virt.c
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index dbf0a6d62f..46c72a9611 100644
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--- a/hw/arm/virt.c
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+++ b/hw/arm/virt.c
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@@ -108,11 +108,39 @@
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DEFINE_VIRT_MACHINE_LATEST(major, minor, false)
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#endif /* disabled for RHEL */
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+/*
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+ * This variable is for changes to properties that are RHEL specific,
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+ * different to the current upstream and to be applied to the latest
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+ * machine type. They may be overriden by older machine compats.
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+ *
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+ * virtio-net-pci variant romfiles are not needed because edk2 does
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+ * fully support the pxe boot. Besides virtio romfiles are not shipped
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+ * on rhel/aarch64.
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+ */
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+GlobalProperty arm_rhel_compat[] = {
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+ {"virtio-net-pci", "romfile", "" },
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+ {"virtio-net-pci-transitional", "romfile", "" },
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+ {"virtio-net-pci-non-transitional", "romfile", "" },
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+};
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+const size_t arm_rhel_compat_len = G_N_ELEMENTS(arm_rhel_compat);
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+
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+/*
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+ * This cannot be called from the rhel_virt_class_init() because
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+ * TYPE_RHEL_MACHINE is abstract and mc->compat_props g_ptr_array_new()
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+ * only is called on virt-rhelm.n.s non abstract class init.
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+ */
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+static void arm_rhel_compat_set(MachineClass *mc)
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+{
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+ compat_props_add(mc->compat_props, arm_rhel_compat,
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+ arm_rhel_compat_len);
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+}
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+
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#define DEFINE_RHEL_MACHINE_LATEST(m, n, s, latest) \
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static void rhel##m##n##s##_virt_class_init(ObjectClass *oc, \
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void *data) \
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{ \
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MachineClass *mc = MACHINE_CLASS(oc); \
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+ arm_rhel_compat_set(mc); \
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rhel##m##n##s##_virt_options(mc); \
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mc->desc = "RHEL " # m "." # n "." # s " ARM Virtual Machine"; \
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if (latest) { \
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@@ -136,19 +164,6 @@
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#define DEFINE_RHEL_MACHINE(major, minor, subminor) \
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DEFINE_RHEL_MACHINE_LATEST(major, minor, subminor, false)
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-/* This variable is for changes to properties that are RHEL specific,
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- * different to the current upstream and to be applied to the latest
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- * machine type.
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- */
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-GlobalProperty arm_rhel_compat[] = {
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- {
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- .driver = "virtio-net-pci",
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- .property = "romfile",
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- .value = "",
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- },
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-};
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-const size_t arm_rhel_compat_len = G_N_ELEMENTS(arm_rhel_compat);
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-
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/* Number of external interrupt lines to configure the GIC with */
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#define NUM_IRQS 256
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@@ -3240,7 +3255,6 @@ type_init(rhel_machine_init);
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static void rhel860_virt_options(MachineClass *mc)
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{
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- compat_props_add(mc->compat_props, arm_rhel_compat, arm_rhel_compat_len);
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}
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DEFINE_RHEL_MACHINE_AS_LATEST(8, 6, 0)
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--
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2.41.0
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