From ffc2cabeb536bc595543845c5fe6147d4f9718d3 Mon Sep 17 00:00:00 2001 From: Glenn Miles Date: Tue, 11 Mar 2025 11:55:00 +1000 Subject: [PATCH] qtest/xive: Add test of pool interrupts Added new test for pool interrupts. Removed all printfs from pnv-xive2-* qtests. Signed-off-by: Glenn Miles Signed-off-by: Michael Kowal Reviewed-by: Nicholas Piggin Signed-off-by: Nicholas Piggin --- tests/qtest/pnv-xive2-test.c | 76 ++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/tests/qtest/pnv-xive2-test.c b/tests/qtest/pnv-xive2-test.c index 7e7b1e79c0..5313d4ef18 100644 --- a/tests/qtest/pnv-xive2-test.c +++ b/tests/qtest/pnv-xive2-test.c @@ -267,6 +267,79 @@ static void test_hw_irq(QTestState *qts) g_assert_cmphex(cppr, ==, 0xFF); } +static void test_pool_irq(QTestState *qts) +{ + uint32_t irq = 2; + uint32_t irq_data = 0x600d0d06; + uint32_t end_index = 5; + uint32_t target_pir = 1; + uint32_t target_nvp = 0x100 + target_pir; + uint8_t priority = 5; + uint32_t reg32; + uint16_t reg16; + uint8_t pq, nsr, cppr, ipb; + + g_test_message("========================================================="); + g_test_message("Testing irq %d to pool thread %d", irq, target_pir); + + /* irq config */ + set_eas(qts, irq, end_index, irq_data); + set_end(qts, end_index, target_nvp, priority, false /* group */); + + /* enable and trigger irq */ + get_esb(qts, irq, XIVE_EOI_PAGE, XIVE_ESB_SET_PQ_00); + set_esb(qts, irq, XIVE_TRIGGER_PAGE, 0, 0); + + /* check irq is raised on cpu */ + pq = get_esb(qts, irq, XIVE_EOI_PAGE, XIVE_ESB_GET); + g_assert_cmpuint(pq, ==, XIVE_ESB_PENDING); + + /* check TIMA values in the PHYS ring (shared by POOL ring) */ + reg32 = get_tima32(qts, target_pir, TM_QW3_HV_PHYS + TM_WORD0); + nsr = reg32 >> 24; + cppr = (reg32 >> 16) & 0xFF; + g_assert_cmphex(nsr, ==, 0x40); + g_assert_cmphex(cppr, ==, 0xFF); + + /* check TIMA values in the POOL ring */ + reg32 = get_tima32(qts, target_pir, TM_QW2_HV_POOL + TM_WORD0); + nsr = reg32 >> 24; + cppr = (reg32 >> 16) & 0xFF; + ipb = (reg32 >> 8) & 0xFF; + g_assert_cmphex(nsr, ==, 0); + g_assert_cmphex(cppr, ==, 0); + g_assert_cmphex(ipb, ==, 0x80 >> priority); + + /* ack the irq */ + reg16 = get_tima16(qts, target_pir, TM_SPC_ACK_HV_REG); + nsr = reg16 >> 8; + cppr = reg16 & 0xFF; + g_assert_cmphex(nsr, ==, 0x40); + g_assert_cmphex(cppr, ==, priority); + + /* check irq data is what was configured */ + reg32 = qtest_readl(qts, xive_get_queue_addr(end_index)); + g_assert_cmphex((reg32 & 0x7fffffff), ==, (irq_data & 0x7fffffff)); + + /* check IPB is cleared in the POOL ring */ + reg32 = get_tima32(qts, target_pir, TM_QW2_HV_POOL + TM_WORD0); + ipb = (reg32 >> 8) & 0xFF; + g_assert_cmphex(ipb, ==, 0); + + /* End Of Interrupt */ + set_esb(qts, irq, XIVE_EOI_PAGE, XIVE_ESB_STORE_EOI, 0); + pq = get_esb(qts, irq, XIVE_EOI_PAGE, XIVE_ESB_GET); + g_assert_cmpuint(pq, ==, XIVE_ESB_RESET); + + /* reset CPPR */ + set_tima8(qts, target_pir, TM_QW3_HV_PHYS + TM_CPPR, 0xFF); + reg32 = get_tima32(qts, target_pir, TM_QW3_HV_PHYS + TM_WORD0); + nsr = reg32 >> 24; + cppr = (reg32 >> 16) & 0xFF; + g_assert_cmphex(nsr, ==, 0x00); + g_assert_cmphex(cppr, ==, 0xFF); +} + #define XIVE_ODD_CL 0x80 static void test_pull_thread_ctx_to_odd_thread_cl(QTestState *qts) { @@ -486,6 +559,9 @@ static void test_xive(void) /* omit reset_state here and use settings from test_hw_irq */ test_pull_thread_ctx_to_odd_thread_cl(qts); + reset_state(qts); + test_pool_irq(qts); + reset_state(qts); test_hw_group_irq(qts); -- 2.39.5