diff options
Diffstat (limited to 'hw/ppc/spapr_rtas_ddw.c')
-rw-r--r-- | hw/ppc/spapr_rtas_ddw.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/hw/ppc/spapr_rtas_ddw.c b/hw/ppc/spapr_rtas_ddw.c index cb8a410359..f6538189f4 100644 --- a/hw/ppc/spapr_rtas_ddw.c +++ b/hw/ppc/spapr_rtas_ddw.c @@ -26,16 +26,16 @@ static int spapr_phb_get_active_win_num_cb(Object *child, void *opaque) { - sPAPRTCETable *tcet; + SpaprTceTable *tcet; - tcet = (sPAPRTCETable *) object_dynamic_cast(child, TYPE_SPAPR_TCE_TABLE); + tcet = (SpaprTceTable *) object_dynamic_cast(child, TYPE_SPAPR_TCE_TABLE); if (tcet && tcet->nb_table) { ++*(unsigned *)opaque; } return 0; } -static unsigned spapr_phb_get_active_win_num(sPAPRPHBState *sphb) +static unsigned spapr_phb_get_active_win_num(SpaprPhbState *sphb) { unsigned ret = 0; @@ -46,9 +46,9 @@ static unsigned spapr_phb_get_active_win_num(sPAPRPHBState *sphb) static int spapr_phb_get_free_liobn_cb(Object *child, void *opaque) { - sPAPRTCETable *tcet; + SpaprTceTable *tcet; - tcet = (sPAPRTCETable *) object_dynamic_cast(child, TYPE_SPAPR_TCE_TABLE); + tcet = (SpaprTceTable *) object_dynamic_cast(child, TYPE_SPAPR_TCE_TABLE); if (tcet && !tcet->nb_table) { *(uint32_t *)opaque = tcet->liobn; return 1; @@ -56,7 +56,7 @@ static int spapr_phb_get_free_liobn_cb(Object *child, void *opaque) return 0; } -static unsigned spapr_phb_get_free_liobn(sPAPRPHBState *sphb) +static unsigned spapr_phb_get_free_liobn(SpaprPhbState *sphb) { uint32_t liobn = 0; @@ -90,12 +90,12 @@ static uint32_t spapr_page_mask_to_query_mask(uint64_t page_mask) } static void rtas_ibm_query_pe_dma_window(PowerPCCPU *cpu, - sPAPRMachineState *spapr, + SpaprMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { - sPAPRPHBState *sphb; + SpaprPhbState *sphb; uint64_t buid; uint32_t avail, addr, pgmask = 0; @@ -129,13 +129,13 @@ param_error_exit: } static void rtas_ibm_create_pe_dma_window(PowerPCCPU *cpu, - sPAPRMachineState *spapr, + SpaprMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { - sPAPRPHBState *sphb; - sPAPRTCETable *tcet = NULL; + SpaprPhbState *sphb; + SpaprTceTable *tcet = NULL; uint32_t addr, page_shift, window_shift, liobn; uint64_t buid, win_addr; int windows; @@ -171,8 +171,18 @@ static void rtas_ibm_create_pe_dma_window(PowerPCCPU *cpu, } win_addr = (windows == 0) ? sphb->dma_win_addr : sphb->dma64_win_addr; + /* + * We have just created a window, we know for the fact that it is empty, + * use a hack to avoid iterating over the table as it is quite possible + * to have billions of TCEs, all empty. + * Note that we cannot delay this to the first H_PUT_TCE as this hcall is + * mostly likely to be handled in KVM so QEMU just does not know if it + * happened. + */ + tcet->skipping_replay = true; spapr_tce_table_enable(tcet, page_shift, win_addr, 1ULL << (window_shift - page_shift)); + tcet->skipping_replay = false; if (!tcet->nb_table) { goto hw_error_exit; } @@ -196,13 +206,13 @@ param_error_exit: } static void rtas_ibm_remove_pe_dma_window(PowerPCCPU *cpu, - sPAPRMachineState *spapr, + SpaprMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { - sPAPRPHBState *sphb; - sPAPRTCETable *tcet; + SpaprPhbState *sphb; + SpaprTceTable *tcet; uint32_t liobn; if ((nargs != 1) || (nret != 1)) { @@ -231,12 +241,12 @@ param_error_exit: } static void rtas_ibm_reset_pe_dma_window(PowerPCCPU *cpu, - sPAPRMachineState *spapr, + SpaprMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { - sPAPRPHBState *sphb; + SpaprPhbState *sphb; uint64_t buid; uint32_t addr; |