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69 lines
2.8 KiB
69 lines
2.8 KiB
4 weeks ago
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From c0a65c752cd83dea27cbeb34074d65fb2c5a6b59 Mon Sep 17 00:00:00 2001
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From: Isaku Yamahata <isaku.yamahata@intel.com>
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Date: Wed, 20 Mar 2024 03:39:13 -0500
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Subject: [PATCH 008/100] pci-host/q35: Move PAM initialization above SMRAM
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initialization
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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RH-MergeRequest: 245: SEV-SNP support
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RH-Jira: RHEL-39544
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Bandan Das <bdas@redhat.com>
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RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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RH-Commit: [8/91] 22a9221d4726e872aa0f0dc25ae9d823c0611547 (bonzini/rhel-qemu-kvm)
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In mch_realize(), process PAM initialization before SMRAM initialization so
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that later patch can skill all the SMRAM related with a single check.
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Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
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Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
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Signed-off-by: Michael Roth <michael.roth@amd.com>
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Message-ID: <20240320083945.991426-18-michael.roth@amd.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 42c11ae2416dcbcd694ec3ee574fe2f3e70099ae)
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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hw/pci-host/q35.c | 19 ++++++++++---------
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1 file changed, 10 insertions(+), 9 deletions(-)
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diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
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index 0d7d4e3f08..98d4a7c253 100644
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--- a/hw/pci-host/q35.c
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+++ b/hw/pci-host/q35.c
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@@ -568,6 +568,16 @@ static void mch_realize(PCIDevice *d, Error **errp)
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/* setup pci memory mapping */
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pc_pci_as_mapping_init(mch->system_memory, mch->pci_address_space);
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+ /* PAM */
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+ init_pam(&mch->pam_regions[0], OBJECT(mch), mch->ram_memory,
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+ mch->system_memory, mch->pci_address_space,
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+ PAM_BIOS_BASE, PAM_BIOS_SIZE);
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+ for (i = 0; i < ARRAY_SIZE(mch->pam_regions) - 1; ++i) {
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+ init_pam(&mch->pam_regions[i + 1], OBJECT(mch), mch->ram_memory,
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+ mch->system_memory, mch->pci_address_space,
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+ PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
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+ }
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+
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/* if *disabled* show SMRAM to all CPUs */
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memory_region_init_alias(&mch->smram_region, OBJECT(mch), "smram-region",
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mch->pci_address_space, MCH_HOST_BRIDGE_SMRAM_C_BASE,
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@@ -634,15 +644,6 @@ static void mch_realize(PCIDevice *d, Error **errp)
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object_property_add_const_link(qdev_get_machine(), "smram",
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OBJECT(&mch->smram));
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-
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- init_pam(&mch->pam_regions[0], OBJECT(mch), mch->ram_memory,
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- mch->system_memory, mch->pci_address_space,
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- PAM_BIOS_BASE, PAM_BIOS_SIZE);
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- for (i = 0; i < ARRAY_SIZE(mch->pam_regions) - 1; ++i) {
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- init_pam(&mch->pam_regions[i + 1], OBJECT(mch), mch->ram_memory,
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- mch->system_memory, mch->pci_address_space,
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- PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
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- }
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}
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uint64_t mch_mcfg_base(void)
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--
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2.39.3
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