diff options
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/spapr_hcall.c | 1 | ||||
| -rw-r--r-- | hw/ppc/spapr_numa.c | 38 |
2 files changed, 26 insertions, 13 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 0e9a5b2..9056644 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -17,6 +17,7 @@ #include "kvm_ppc.h" #include "hw/ppc/fdt.h" #include "hw/ppc/spapr_ovec.h" +#include "hw/ppc/spapr_numa.h" #include "mmu-book3s-v3.h" #include "hw/mem/memory-device.h" diff --git a/hw/ppc/spapr_numa.c b/hw/ppc/spapr_numa.c index 08e2d6a..dce9ce9 100644 --- a/hw/ppc/spapr_numa.c +++ b/hw/ppc/spapr_numa.c @@ -46,6 +46,15 @@ static int get_vcpu_assoc_size(SpaprMachineState *spapr) return get_numa_assoc_size(spapr) + 1; } +/* + * Retrieves the ibm,associativity array of NUMA node 'node_id' + * for the current NUMA affinity. + */ +static const uint32_t *get_associativity(SpaprMachineState *spapr, int node_id) +{ + return spapr->FORM1_assoc_array[node_id]; +} + static bool spapr_numa_is_symmetrical(MachineState *ms) { int src, dst; @@ -124,7 +133,7 @@ static void spapr_numa_define_FORM1_domains(SpaprMachineState *spapr) */ for (i = 1; i < nb_numa_nodes; i++) { for (j = 1; j < FORM1_DIST_REF_POINTS; j++) { - spapr->numa_assoc_array[i][j] = cpu_to_be32(i); + spapr->FORM1_assoc_array[i][j] = cpu_to_be32(i); } } @@ -176,8 +185,8 @@ static void spapr_numa_define_FORM1_domains(SpaprMachineState *spapr) * and going up to 0x1. */ for (i = n_level; i > 0; i--) { - assoc_src = spapr->numa_assoc_array[src][i]; - spapr->numa_assoc_array[dst][i] = assoc_src; + assoc_src = spapr->FORM1_assoc_array[src][i]; + spapr->FORM1_assoc_array[dst][i] = assoc_src; } } } @@ -204,8 +213,8 @@ static void spapr_numa_FORM1_affinity_init(SpaprMachineState *spapr, * 'i' will be a valid node_id set by the user. */ for (i = 0; i < nb_numa_nodes; i++) { - spapr->numa_assoc_array[i][0] = cpu_to_be32(FORM1_DIST_REF_POINTS); - spapr->numa_assoc_array[i][FORM1_DIST_REF_POINTS] = cpu_to_be32(i); + spapr->FORM1_assoc_array[i][0] = cpu_to_be32(FORM1_DIST_REF_POINTS); + spapr->FORM1_assoc_array[i][FORM1_DIST_REF_POINTS] = cpu_to_be32(i); } /* @@ -219,15 +228,15 @@ static void spapr_numa_FORM1_affinity_init(SpaprMachineState *spapr, max_nodes_with_gpus = nb_numa_nodes + NVGPU_MAX_NUM; for (i = nb_numa_nodes; i < max_nodes_with_gpus; i++) { - spapr->numa_assoc_array[i][0] = cpu_to_be32(FORM1_DIST_REF_POINTS); + spapr->FORM1_assoc_array[i][0] = cpu_to_be32(FORM1_DIST_REF_POINTS); for (j = 1; j < FORM1_DIST_REF_POINTS; j++) { uint32_t gpu_assoc = smc->pre_5_1_assoc_refpoints ? SPAPR_GPU_NUMA_ID : cpu_to_be32(i); - spapr->numa_assoc_array[i][j] = gpu_assoc; + spapr->FORM1_assoc_array[i][j] = gpu_assoc; } - spapr->numa_assoc_array[i][FORM1_DIST_REF_POINTS] = cpu_to_be32(i); + spapr->FORM1_assoc_array[i][FORM1_DIST_REF_POINTS] = cpu_to_be32(i); } /* @@ -259,14 +268,17 @@ void spapr_numa_associativity_init(SpaprMachineState *spapr, void spapr_numa_write_associativity_dt(SpaprMachineState *spapr, void *fdt, int offset, int nodeid) { + const uint32_t *associativity = get_associativity(spapr, nodeid); + _FDT((fdt_setprop(fdt, offset, "ibm,associativity", - spapr->numa_assoc_array[nodeid], + associativity, get_numa_assoc_size(spapr) * sizeof(uint32_t)))); } static uint32_t *spapr_numa_get_vcpu_assoc(SpaprMachineState *spapr, PowerPCCPU *cpu) { + const uint32_t *associativity = get_associativity(spapr, cpu->node_id); int max_distance_ref_points = get_max_dist_ref_points(spapr); int vcpu_assoc_size = get_vcpu_assoc_size(spapr); uint32_t *vcpu_assoc = g_new(uint32_t, vcpu_assoc_size); @@ -280,7 +292,7 @@ static uint32_t *spapr_numa_get_vcpu_assoc(SpaprMachineState *spapr, */ vcpu_assoc[0] = cpu_to_be32(max_distance_ref_points + 1); vcpu_assoc[vcpu_assoc_size - 1] = cpu_to_be32(index); - memcpy(vcpu_assoc + 1, spapr->numa_assoc_array[cpu->node_id] + 1, + memcpy(vcpu_assoc + 1, associativity + 1, (vcpu_assoc_size - 2) * sizeof(uint32_t)); return vcpu_assoc; @@ -319,10 +331,10 @@ int spapr_numa_write_assoc_lookup_arrays(SpaprMachineState *spapr, void *fdt, cur_index += 2; for (i = 0; i < nr_nodes; i++) { /* - * For the lookup-array we use the ibm,associativity array, - * from numa_assoc_array. without the first element (size). + * For the lookup-array we use the ibm,associativity array of the + * current NUMA affinity, without the first element (size). */ - uint32_t *associativity = spapr->numa_assoc_array[i]; + const uint32_t *associativity = get_associativity(spapr, i); memcpy(cur_index, ++associativity, sizeof(uint32_t) * max_distance_ref_points); cur_index += max_distance_ref_points; |