Commit 06d26eeb authored by Cédric Le Goater's avatar Cédric Le Goater Committed by David Gibson
Browse files

ppc/pnv: Use address_space_stq_be() when triggering an interrupt from PSI 



Include the XIVE_TRIGGER_PQ bit in the trigger data which is how
hardware signals to the IC that the PQ bits of the interrupt source
have been checked.

Signed-off-by: default avatarCédric Le Goater <clg@kaod.org>
Message-Id: <20191007084102.29776-3-clg@kaod.org>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 106695ab

hw/ppc/pnv_psi.c

+12 −3
Original line number Diff line number Diff line
@@ -660,10 +660,19 @@ static void pnv_psi_notify(XiveNotifier *xf, uint32_t srcno) 


    uint32_t offset =

        (psi->regs[PSIHB_REG(PSIHB9_IVT_OFFSET)] >> PSIHB9_IVT_OFF_SHIFT);

    uint64_t lisn = cpu_to_be64(offset + srcno);

    uint64_t data = XIVE_TRIGGER_PQ | offset | srcno;

    MemTxResult result;



    if (valid) {

        cpu_physical_memory_write(notify_addr, &lisn, sizeof(lisn));

    if (!valid) {

        return;

    }



    address_space_stq_be(&address_space_memory, notify_addr, data,

                         MEMTXATTRS_UNSPECIFIED, &result);

    if (result != MEMTX_OK) {

        qemu_log_mask(LOG_GUEST_ERROR, "%s: trigger failed @%"

                      HWADDR_PRIx "\n", __func__, notif_port);

        return;

    }

}