diff options
Diffstat (limited to 'tests/qtest/pnv-xive2-flush-sync.c')
| -rw-r--r-- | tests/qtest/pnv-xive2-flush-sync.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/tests/qtest/pnv-xive2-flush-sync.c b/tests/qtest/pnv-xive2-flush-sync.c new file mode 100644 index 0000000000..3b32446adb --- /dev/null +++ b/tests/qtest/pnv-xive2-flush-sync.c @@ -0,0 +1,205 @@ +/* + * QTest testcase for PowerNV 10 interrupt controller (xive2) + * - Test cache flush/queue sync injection + * + * Copyright (c) 2024, IBM Corporation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include "qemu/osdep.h" +#include "libqtest.h" + +#include "pnv-xive2-common.h" +#include "hw/intc/pnv_xive2_regs.h" +#include "hw/ppc/xive_regs.h" +#include "hw/ppc/xive2_regs.h" + +#define PNV_XIVE2_QUEUE_IPI 0x00 +#define PNV_XIVE2_QUEUE_HW 0x01 +#define PNV_XIVE2_QUEUE_NXC 0x02 +#define PNV_XIVE2_QUEUE_INT 0x03 +#define PNV_XIVE2_QUEUE_OS 0x04 +#define PNV_XIVE2_QUEUE_POOL 0x05 +#define PNV_XIVE2_QUEUE_HARD 0x06 +#define PNV_XIVE2_CACHE_ENDC 0x08 +#define PNV_XIVE2_CACHE_ESBC 0x09 +#define PNV_XIVE2_CACHE_EASC 0x0a +#define PNV_XIVE2_QUEUE_NXC_LD_LCL_NCO 0x10 +#define PNV_XIVE2_QUEUE_NXC_LD_LCL_CO 0x11 +#define PNV_XIVE2_QUEUE_NXC_ST_LCL_NCI 0x12 +#define PNV_XIVE2_QUEUE_NXC_ST_LCL_CI 0x13 +#define PNV_XIVE2_QUEUE_NXC_ST_RMT_NCI 0x14 +#define PNV_XIVE2_QUEUE_NXC_ST_RMT_CI 0x15 +#define PNV_XIVE2_CACHE_NXC 0x18 + +#define PNV_XIVE2_SYNC_IPI 0x000 +#define PNV_XIVE2_SYNC_HW 0x080 +#define PNV_XIVE2_SYNC_NxC 0x100 +#define PNV_XIVE2_SYNC_INT 0x180 +#define PNV_XIVE2_SYNC_OS_ESC 0x200 +#define PNV_XIVE2_SYNC_POOL_ESC 0x280 +#define PNV_XIVE2_SYNC_HARD_ESC 0x300 +#define PNV_XIVE2_SYNC_NXC_LD_LCL_NCO 0x800 +#define PNV_XIVE2_SYNC_NXC_LD_LCL_CO 0x880 +#define PNV_XIVE2_SYNC_NXC_ST_LCL_NCI 0x900 +#define PNV_XIVE2_SYNC_NXC_ST_LCL_CI 0x980 +#define PNV_XIVE2_SYNC_NXC_ST_RMT_NCI 0xA00 +#define PNV_XIVE2_SYNC_NXC_ST_RMT_CI 0xA80 + + +static uint64_t get_sync_addr(uint32_t src_pir, int ic_topo_id, int type) +{ + int thread_nr = src_pir & 0x7f; + uint64_t addr = XIVE_SYNC_MEM + thread_nr * 512 + ic_topo_id * 32 + type; + return addr; +} + +static uint8_t get_sync(QTestState *qts, uint32_t src_pir, int ic_topo_id, + int type) +{ + uint64_t addr = get_sync_addr(src_pir, ic_topo_id, type); + return qtest_readb(qts, addr); +} + +static void clr_sync(QTestState *qts, uint32_t src_pir, int ic_topo_id, + int type) +{ + uint64_t addr = get_sync_addr(src_pir, ic_topo_id, type); + qtest_writeb(qts, addr, 0x0); +} + +static void inject_cache_flush(QTestState *qts, int ic_topo_id, + uint64_t scom_addr) +{ + (void)ic_topo_id; + pnv_xive_xscom_write(qts, scom_addr, 0); +} + +static void inject_queue_sync(QTestState *qts, int ic_topo_id, uint64_t offset) +{ + (void)ic_topo_id; + uint64_t addr = XIVE_IC_ADDR + (VST_SYNC << XIVE_PAGE_SHIFT) + offset; + qtest_writeq(qts, addr, 0); +} + +static void inject_op(QTestState *qts, int ic_topo_id, int type) +{ + switch (type) { + case PNV_XIVE2_QUEUE_IPI: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_IPI); + break; + case PNV_XIVE2_QUEUE_HW: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_HW); + break; + case PNV_XIVE2_QUEUE_NXC: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NxC); + break; + case PNV_XIVE2_QUEUE_INT: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_INT); + break; + case PNV_XIVE2_QUEUE_OS: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_OS_ESC); + break; + case PNV_XIVE2_QUEUE_POOL: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_POOL_ESC); + break; + case PNV_XIVE2_QUEUE_HARD: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_HARD_ESC); + break; + case PNV_XIVE2_CACHE_ENDC: + inject_cache_flush(qts, ic_topo_id, X_VC_ENDC_FLUSH_INJECT); + break; + case PNV_XIVE2_CACHE_ESBC: + inject_cache_flush(qts, ic_topo_id, X_VC_ESBC_FLUSH_INJECT); + break; + case PNV_XIVE2_CACHE_EASC: + inject_cache_flush(qts, ic_topo_id, X_VC_EASC_FLUSH_INJECT); + break; + case PNV_XIVE2_QUEUE_NXC_LD_LCL_NCO: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_LD_LCL_NCO); + break; + case PNV_XIVE2_QUEUE_NXC_LD_LCL_CO: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_LD_LCL_CO); + break; + case PNV_XIVE2_QUEUE_NXC_ST_LCL_NCI: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_ST_LCL_NCI); + break; + case PNV_XIVE2_QUEUE_NXC_ST_LCL_CI: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_ST_LCL_CI); + break; + case PNV_XIVE2_QUEUE_NXC_ST_RMT_NCI: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_ST_RMT_NCI); + break; + case PNV_XIVE2_QUEUE_NXC_ST_RMT_CI: + inject_queue_sync(qts, ic_topo_id, PNV_XIVE2_SYNC_NXC_ST_RMT_CI); + break; + case PNV_XIVE2_CACHE_NXC: + inject_cache_flush(qts, ic_topo_id, X_PC_NXC_FLUSH_INJECT); + break; + default: + g_assert_not_reached(); + break; + } +} + +const uint8_t xive_inject_tests[] = { + PNV_XIVE2_QUEUE_IPI, + PNV_XIVE2_QUEUE_HW, + PNV_XIVE2_QUEUE_NXC, + PNV_XIVE2_QUEUE_INT, + PNV_XIVE2_QUEUE_OS, + PNV_XIVE2_QUEUE_POOL, + PNV_XIVE2_QUEUE_HARD, + PNV_XIVE2_CACHE_ENDC, + PNV_XIVE2_CACHE_ESBC, + PNV_XIVE2_CACHE_EASC, + PNV_XIVE2_QUEUE_NXC_LD_LCL_NCO, + PNV_XIVE2_QUEUE_NXC_LD_LCL_CO, + PNV_XIVE2_QUEUE_NXC_ST_LCL_NCI, + PNV_XIVE2_QUEUE_NXC_ST_LCL_CI, + PNV_XIVE2_QUEUE_NXC_ST_RMT_NCI, + PNV_XIVE2_QUEUE_NXC_ST_RMT_CI, + PNV_XIVE2_CACHE_NXC, +}; + +void test_flush_sync_inject(QTestState *qts) +{ + int ic_topo_id = 0; + + /* + * Writes performed by qtest are not done in the context of a thread. + * This means that QEMU XIVE code doesn't have a way to determine what + * thread is originating the write. In order to allow for some testing, + * QEMU XIVE code will assume a PIR of 0 when unable to determine the + * source thread for cache flush and queue sync inject operations. + * See hw/intc/pnv_xive2.c: pnv_xive2_inject_notify() for details. + */ + int src_pir = 0; + int test_nr; + uint8_t byte; + + printf("# ============================================================\n"); + printf("# Starting cache flush/queue sync injection tests...\n"); + + for (test_nr = 0; test_nr < sizeof(xive_inject_tests); + test_nr++) { + int op_type = xive_inject_tests[test_nr]; + + printf("# Running test %d\n", test_nr); + + /* start with status byte set to 0 */ + clr_sync(qts, src_pir, ic_topo_id, op_type); + byte = get_sync(qts, src_pir, ic_topo_id, op_type); + g_assert_cmphex(byte, ==, 0); + + /* request cache flush or queue sync operation */ + inject_op(qts, ic_topo_id, op_type); + + /* verify that status byte was written to 0xff */ + byte = get_sync(qts, src_pir, ic_topo_id, op_type); + g_assert_cmphex(byte, ==, 0xff); + + clr_sync(qts, src_pir, ic_topo_id, op_type); + } +} + |