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qtest/xive: Add test of pool interrupts

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Added new test for pool interrupts.  Removed all printfs from pnv-xive2-* qtests.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Glenn Miles 2025-03-11 11:55:00 +10:00 • committed by Nicholas Piggin
parent c4b50387b4
commit ffc2cabeb5
1 changed files with 76 additions and 0 deletions
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76
tests/qtest/pnv-xive2-test.c
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@ -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);