diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/plugin-memory.h | 40 | ||||
| -rw-r--r-- | include/qemu/qemu-plugin.h | 8 |
2 files changed, 48 insertions, 0 deletions
diff --git a/include/qemu/plugin-memory.h b/include/qemu/plugin-memory.h new file mode 100644 index 0000000000..fbbe99474b --- /dev/null +++ b/include/qemu/plugin-memory.h @@ -0,0 +1,40 @@ +/* + * Plugin Memory API + * + * Copyright (c) 2019 Linaro Ltd + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef _PLUGIN_MEMORY_H_ +#define _PLUGIN_MEMORY_H_ + +struct qemu_plugin_hwaddr { + bool is_io; + bool is_store; + union { + struct { + MemoryRegionSection *section; + hwaddr offset; + } io; + struct { + uint64_t hostaddr; + } ram; + } v; +}; + +/** + * tlb_plugin_lookup: query last TLB lookup + * @cpu: cpu environment + * + * This function can be used directly after a memory operation to + * query information about the access. It is used by the plugin + * infrastructure to expose more information about the address. + * + * It would only fail if not called from an instrumented memory access + * which would be an abuse of the API. + */ +bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx, + bool is_store, struct qemu_plugin_hwaddr *data); + +#endif /* _PLUGIN_MEMORY_H_ */ diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index b9a4a4b684..c213d1dd19 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -285,6 +285,14 @@ bool qemu_plugin_mem_is_store(qemu_plugin_meminfo_t info); struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info, uint64_t vaddr); +/* + * The following additional queries can be run on the hwaddr structure + * to return information about it. For non-IO accesses the device + * offset will be into the appropriate block of RAM. + */ +bool qemu_plugin_hwaddr_is_io(struct qemu_plugin_hwaddr *hwaddr); +uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr *haddr); + typedef void (*qemu_plugin_vcpu_mem_cb_t)(unsigned int vcpu_index, qemu_plugin_meminfo_t info, uint64_t vaddr, |