mrhi...@linux.vnet.ibm.com wrote:
> From: "Michael R. Hines" <mrhi...@us.ibm.com>
>
> These are the prototypes and implementation of new hooks that
> RDMA takes advantage of to perform dynamic page registration.
>
> An optional hook is also introduced for a custom function
> to be able to override the default save_page function.
>
> Also included are the prototypes and accessor methods used by
> arch_init.c which invoke funtions inside savevm.c to call out
> to the hooks that may or may not have been overridden
> inside of QEMUFileOps.
>
> Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
> Reviewed-by: Chegu Vinod <chegu_vi...@hp.com>
> Tested-by: Chegu Vinod <chegu_vi...@hp.com>
> Tested-by: Michael R. Hines <mrhi...@us.ibm.com>
> Signed-off-by: Michael R. Hines <mrhi...@us.ibm.com>
Hi
> +void ram_control_before_iterate(QEMUFile *f, uint64_t flags)
> +{
> + int ret = 0;
> +
> + if (f->ops->before_ram_iterate) {
> + ret = f->ops->before_ram_iterate(f, f->opaque, flags);
> + if (ret < 0) {
> + qemu_file_set_error(f, ret);
> + }
> + }
> +}
> +
> +void ram_control_after_iterate(QEMUFile *f, uint64_t flags)
> +{
> + int ret = 0;
> +
> + if (f->ops->after_ram_iterate) {
> + ret = f->ops->after_ram_iterate(f, f->opaque, flags);
> + if (ret < 0) {
> + qemu_file_set_error(f, ret);
> + }
> + }
> +}
> +
> +void ram_control_load_hook(QEMUFile *f, uint64_t flags)
> +{
> + int ret = 0;
> +
> + if (f->ops->hook_ram_load) {
> + ret = f->ops->hook_ram_load(f, f->opaque, flags);
> + if (ret < 0) {
> + qemu_file_set_error(f, ret);
> + }
> + } else {
> + qemu_file_set_error(f, ret);
> + }
> +}
> +
> +size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset,
> + ram_addr_t offset, size_t size, int *bytes_sent)
> +{
> + if (f->ops->save_page) {
> + int ret = f->ops->save_page(f, f->opaque, block_offset,
> + offset, size, bytes_sent);
> +
> + if (ret != RAM_SAVE_CONTROL_DELAYED) {
> + if (*bytes_sent > 0) {
> + qemu_update_position(f, *bytes_sent);
> + } else if (ret < 0) {
> + qemu_file_set_error(f, ret);
> + }
> + }
> +
> + return ret;
> + }
> +
> + return RAM_SAVE_CONTROL_NOT_SUPP;
> +}
> +
> static void qemu_fill_buffer(QEMUFile *f)
> {
> int len;
I wou0ld clame that the calls to this functions belong to this patch.
Not that it makes a lot of difference though.
Later, Juan.
