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[PATCH 13/29] tcg_funcs: Add tlb_plugin_lookup to TCGModuleOps


From: Gerd Hoffmann
Subject: [PATCH 13/29] tcg_funcs: Add tlb_plugin_lookup to TCGModuleOps
Date: Tue, 31 Aug 2021 14:15:29 +0200

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/tcg/tcg-module.h | 2 ++
 accel/tcg/cputlb.c       | 3 +++
 accel/tcg/tcg-module.c   | 7 +++++++
 plugins/api.c            | 4 ++--
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/include/tcg/tcg-module.h b/include/tcg/tcg-module.h
index a14dcdb002db..159cbd3e7ce6 100644
--- a/include/tcg/tcg-module.h
+++ b/include/tcg/tcg-module.h
@@ -8,6 +8,8 @@ struct TCGModuleOps {
     void (*tlb_flush_page)(CPUState *cpu, target_ulong addr);
 #if defined(CONFIG_SOFTMMU)
     void (*tlb_reset_dirty)(CPUState *cpu, ram_addr_t start1, ram_addr_t 
length);
+    bool (*tlb_plugin_lookup)(CPUState *cpu, target_ulong addr, int mmu_idx,
+                              bool is_store, struct qemu_plugin_hwaddr *data);
 #endif
 };
 extern struct TCGModuleOps tcg;
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index fa9c9064848c..6a7872dff488 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -2773,6 +2773,9 @@ static void tcg_module_ops_tlb(void)
     tcg.tlb_flush = tlb_flush;
     tcg.tlb_flush_page = tlb_flush_page;
     tcg.tlb_reset_dirty = tlb_reset_dirty;
+#ifdef CONFIG_PLUGIN
+    tcg.tlb_plugin_lookup = tlb_plugin_lookup;
+#endif
 }
 
 type_init(tcg_module_ops_tlb);
diff --git a/accel/tcg/tcg-module.c b/accel/tcg/tcg-module.c
index febf4e49981c..db3d3e9e9318 100644
--- a/accel/tcg/tcg-module.c
+++ b/accel/tcg/tcg-module.c
@@ -13,6 +13,12 @@ static void tlb_flush_page_stub(CPUState *cpu, target_ulong 
addr)
 static void tlb_reset_dirty_stub(CPUState *cpu, ram_addr_t start1, ram_addr_t 
length)
 {
 }
+
+static bool tlb_plugin_lookup_stub(CPUState *cpu, target_ulong addr, int 
mmu_idx,
+                                   bool is_store, struct qemu_plugin_hwaddr 
*data)
+{
+    return false;
+}
 #endif
 
 struct TCGModuleOps tcg = {
@@ -20,5 +26,6 @@ struct TCGModuleOps tcg = {
     .tlb_flush_page = tlb_flush_page_stub,
 #if defined(CONFIG_SOFTMMU)
     .tlb_reset_dirty = tlb_reset_dirty_stub,
+    .tlb_plugin_lookup = tlb_plugin_lookup_stub,
 #endif
 };
diff --git a/plugins/api.c b/plugins/api.c
index 2d521e6ba825..12b4cb914320 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -280,8 +280,8 @@ struct qemu_plugin_hwaddr 
*qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
     unsigned int mmu_idx = info >> TRACE_MEM_MMU_SHIFT;
     hwaddr_info.is_store = info & TRACE_MEM_ST;
 
-    if (!tlb_plugin_lookup(cpu, vaddr, mmu_idx,
-                           info & TRACE_MEM_ST, &hwaddr_info)) {
+    if (!tcg.tlb_plugin_lookup(cpu, vaddr, mmu_idx,
+                               info & TRACE_MEM_ST, &hwaddr_info)) {
         error_report("invalid use of qemu_plugin_get_hwaddr");
         return NULL;
     }
-- 
2.31.1




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