search for: handle_vmmcall

...nel/sev-es.c index 8f1e84da6fa6..6bd2cae7eb9c 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -341,6 +341,26 @@ static enum es_result handle_mwait(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ghcb_hv_call(ghcb, ctxt, SVM_EXIT_MWAIT, 0, 0); } +static enum es_result handle_vmmcall(struct ghcb *ghcb, + struct es_em_ctxt *ctxt) +{ + enum es_result ret; + + ghcb_set_rax(ghcb, ctxt->regs->ax); + ghcb_set_cpl(ghcb, user_mode(ctxt->regs) ? 3 : 0); + + ret = ghcb_hv_call(ghcb, ctxt, SVM_EXIT_VMMCALL, 0, 0); + if (ret != ES_OK) + return ret; + + if (!ghcb_is_valid_...

...MGEXIT_NMI_COMPLETE); + ghcb_set_sw_exit_info_1(ghcb, 0); + ghcb_set_sw_exit_info_2(ghcb, 0); + + write_ghcb_msr(__pa(ghcb)); + VMGEXIT(); + + this_cpu_write(sev_es_in_nmi, false); +} + static u64 sev_es_get_jump_table_addr(void) { unsigned long flags; @@ -485,7 +508,10 @@ static enum es_result handle_vmmcall(struct ghcb *ghcb, static enum es_result handle_db_exception(struct ghcb *ghcb, struct es_em_ctxt *ctxt) { - do_debug(ctxt->regs, 0); + if (this_cpu_read(sev_es_in_nmi)) + sev_es_nmi_complete(); + else + do_debug(ctxt->regs, 0); /* Exception event, do not advance RIP */ retu...

Hi, here is the first public post of the patch-set to enable Linux to run under SEV-ES enabled hypervisors. The code is mostly feature-complete, but there are still a couple of bugs to fix. Nevertheless, given the size of the patch-set, I think it is about time to ask for initial feedback of the changes that come with it. To better understand the code here is a quick explanation of SEV-ES first.

Hi, here is the first public post of the patch-set to enable Linux to run under SEV-ES enabled hypervisors. The code is mostly feature-complete, but there are still a couple of bugs to fix. Nevertheless, given the size of the patch-set, I think it is about time to ask for initial feedback of the changes that come with it. To better understand the code here is a quick explanation of SEV-ES first.