// SPDX-License-Identifier: GPL-2.0-or-later #include <linux/init.h>#include <linux/log2.h>#include <kunit/test.h>#include <asm /guest-state-buffer.h>#include <asm /kvm_ppc.h>static void test_creating_buffer(struct kunit *test)struct kvmppc_gs_buff *gsb;0 x100;0 , 0 , GFP_KERNEL);sizeof (__be32));static void test_adding_element(struct kunit *test)const struct kvmppc_gs_elem *head, *curr;union {2 ];int rem;struct kvmppc_gs_buff *gsb;0 x1000;int i, rc;0 , 0 , GFP_KERNEL);/* Single elements, direct use of __kvmppc_gse_put() */ 0 xdeadbeef;0 ), 8 , &data);0 );0 ));8 );0 ;8 );0 xdeadbeef);/* Multiple elements, simple wrapper */ 1 ), 0 xcafef00d);0 );0 ] = 0 x1;1 ] = 0 x2;0 ), &u.v);0 );0 ] = 0 x0;1 ] = 0 x0;switch (i) {case 0 :0 ));8 );0 xdeadbeef);break ;case 1 :1 ));8 );0 xcafef00d);break ;case 2 :0 ));16 );0 ], 0 x1);1 ], 0 x2);break ;3 );0 );sizeof (struct kvmppc_gs_header));static void test_gs_parsing(struct kunit *test)struct kvmppc_gs_elem *gse;struct kvmppc_gs_parser gsp = { 0 };struct kvmppc_gs_buff *gsb;0 x1000;0 , 0 , GFP_KERNEL);0 xdeadbeefull;0 ), tmp1);0 );0 ));0 xdeadbeefull);static void test_gs_bitmap(struct kunit *test)struct kvmppc_gs_bitmap gsbm = { 0 };struct kvmppc_gs_bitmap gsbm1 = { 0 };struct kvmppc_gs_bitmap gsbm2 = { 0 };int i, j;0 ;for (u16 iden = KVMPPC_GSID_HOST_STATE_SIZE;for (u16 iden = KVMPPC_GSID_L0_GUEST_HEAP;for (u16 iden = KVMPPC_GSID_RUN_INPUT; iden <= KVMPPC_GSID_VPA;for (u16 iden = KVMPPC_GSID_GPR(0 ); iden <= KVMPPC_GSE_DW_REGS_END; iden++) {for (u16 iden = KVMPPC_GSID_CR; iden <= KVMPPC_GSID_PSPB; iden++) {for (u16 iden = KVMPPC_GSID_VSRS(0 ); iden <= KVMPPC_GSID_VSRS(63 );for (u16 iden = KVMPPC_GSID_HDAR; iden <= KVMPPC_GSID_ASDR; iden++) {0 ;sizeof (gsbm1));struct kvmppc_gs_msg_test1_data {struct kvmppc_gs_part_table c;struct kvmppc_gs_proc_table d;struct kvmppc_gs_buff_info e;static size_t test1_get_size(struct kvmppc_gs_msg *gsm)0 ;0 ),for (int i = 0 ; i < ARRAY_SIZE(ids); i++)return size;static int test1_fill_info(struct kvmppc_gs_buff *gsb,struct kvmppc_gs_msg *gsm)struct kvmppc_gs_msg_test1_data *data = gsm->data;if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_GPR(0 )))0 ), data->a);if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_CR))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_PARTITION_TABLE))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_PROCESS_TABLE))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_RUN_INPUT))return 0 ;static int test1_refresh_info(struct kvmppc_gs_msg *gsm,struct kvmppc_gs_buff *gsb)struct kvmppc_gs_parser gsp = { 0 };struct kvmppc_gs_msg_test1_data *data = gsm->data;struct kvmppc_gs_elem *gse;int rc;if (rc < 0 )return rc;0 ));if (gse)if (gse)return 0 ;static struct kvmppc_gs_msg_ops gs_msg_test1_ops = {static void test_gs_msg(struct kunit *test)struct kvmppc_gs_msg_test1_data test1_data = {0 xdeadbeef,0 x1,struct kvmppc_gs_msg *gsm;struct kvmppc_gs_buff *gsb;0 , 0 , GFP_KERNEL);0 ));0 , sizeof (test1_data));0 xdeadbeef);0 x1);/* Test data struct for hostwide/L0 counters */ struct kvmppc_gs_msg_test_hostwide_data {static size_t test_hostwide_get_size(struct kvmppc_gs_msg *gsm)0 ;for (int i = 0 ; i < ARRAY_SIZE(ids); i++)return size;static int test_hostwide_fill_info(struct kvmppc_gs_buff *gsb,struct kvmppc_gs_msg *gsm)struct kvmppc_gs_msg_test_hostwide_data *data = gsm->data;if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_L0_GUEST_HEAP))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_L0_GUEST_HEAP_MAX))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_L0_GUEST_PGTABLE_SIZE))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_L0_GUEST_PGTABLE_SIZE_MAX))if (kvmppc_gsm_includes(gsm, KVMPPC_GSID_L0_GUEST_PGTABLE_RECLAIM))return 0 ;static int test_hostwide_refresh_info(struct kvmppc_gs_msg *gsm,struct kvmppc_gs_buff *gsb)struct kvmppc_gs_parser gsp = { 0 };struct kvmppc_gs_msg_test_hostwide_data *data = gsm->data;struct kvmppc_gs_elem *gse;int rc;if (rc < 0 )return rc;if (gse)if (gse)if (gse)if (gse)if (gse)return 0 ;static struct kvmppc_gs_msg_ops gs_msg_test_hostwide_ops = {static void test_gs_hostwide_msg(struct kunit *test)struct kvmppc_gs_msg_test_hostwide_data test_data = {0 xdeadbeef,0 ULL,0 xff,0 xffffff,0 xdeadbeef,struct kvmppc_gs_msg *gsm;struct kvmppc_gs_buff *gsb;0 , 0 , GFP_KERNEL);0 , sizeof (test_data));0 xdeadbeef);0 ULL);0 xff);0 xffffff);0 xdeadbeef);/* Test if the H_GUEST_GET_STATE for hostwide counters works */ static void test_gs_hostwide_counters(struct kunit *test)struct kvmppc_gs_msg_test_hostwide_data test_data;struct kvmppc_gs_parser gsp = { 0 };struct kvmppc_gs_msg *gsm;struct kvmppc_gs_buff *gsb;struct kvmppc_gs_elem *gse;int rc;if (!kvmhv_on_pseries())"This test need a kmv-hv guest" );0 , 0 , GFP_KERNEL);/* With HOST_WIDE flags guestid and vcpuid will be ignored */ 0 );/* Parse the guest state buffer is successful */ 0 );/* Parse the GSB and get the counters */ "L0 Heap counter missing" );"Guest Heap Size=%llu bytes" ,"L0 Heap counter max missing" );"Guest Heap Size Max=%llu bytes" ,"L0 page-table size missing" );"Guest Page-table Size=%llu bytes" ,"L0 page-table size-max missing" );"Guest Page-table Size Max=%llu bytes" ,"L0 page-table reclaim size missing" );"Guest Page-table Reclaim Size=%llu bytes" ,static struct kunit_case guest_state_buffer_testcases[] = {static struct kunit_suite guest_state_buffer_test_suite = {"guest_state_buffer_test" ,"KUnit tests for Guest State Buffer APIs" );"GPL" );
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