From 9c978c882984e879f6f418733fe95a16310f1373 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 23 May 2024 19:50:57 -0400
Subject: kernel/amd64: pmap: Add support for TLB shootdowns

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/arch/amd64/cpu.h    | 3 +++
 sys/include/arch/amd64/sysvec.h | 1 +
 2 files changed, 4 insertions(+)

(limited to 'sys/include')

diff --git a/sys/include/arch/amd64/cpu.h b/sys/include/arch/amd64/cpu.h
index ee9bad7..3febf5a 100644
--- a/sys/include/arch/amd64/cpu.h
+++ b/sys/include/arch/amd64/cpu.h
@@ -35,6 +35,7 @@
 #include <sys/spinlock.h>
 #include <sys/sched_state.h>
 #include <sys/queue.h>
+#include <sys/intr.h>
 #include <machine/tss.h>
 #include <machine/msr.h>
 /*
@@ -72,6 +73,8 @@ struct cpu_info {
     volatile void *lapic_base;
     volatile bool has_x2apic;
     volatile struct tss_entry *tss;
+    volatile uintptr_t tlb_flush_ptr;   /* Address to flush */
+    struct intr_info *tlb_shootdown;    /* Shootdown interrupt info */
 };
 
 /*
diff --git a/sys/include/arch/amd64/sysvec.h b/sys/include/arch/amd64/sysvec.h
index a6ff1bd..99a84c0 100644
--- a/sys/include/arch/amd64/sysvec.h
+++ b/sys/include/arch/amd64/sysvec.h
@@ -43,6 +43,7 @@ typedef enum {
     SYSVEC_IPI,                    /* IPI vector */
     SYSVEC_HLT,                    /* Halt vector */
     SYSVEC_PCKBD,                  /* Keyboard vector */
+    SYSVEC_TLB,                    /* TLB shootdown */
 
     /* -- XXX: New vectors go above -- */
     NSYSVEC_BASE,                  /* Non-system vector base */
-- 
cgit v1.2.3