diff options
Diffstat (limited to 'hw/intc/xive2.c')
| -rw-r--r-- | hw/intc/xive2.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c index 1b00568796..c3c6871e91 100644 --- a/hw/intc/xive2.c +++ b/hw/intc/xive2.c @@ -940,14 +940,14 @@ static uint8_t xive2_tctx_restore_ctx(Xive2Router *xrtr, XiveTCTX *tctx, return cppr; } -static void xive2_tctx_need_resend(Xive2Router *xrtr, XiveTCTX *tctx, +/* Restore TIMA VP context from NVP backlog */ +static void xive2_tctx_restore_nvp(Xive2Router *xrtr, XiveTCTX *tctx, uint8_t ring, uint8_t nvp_blk, uint32_t nvp_idx, bool do_restore) { - uint8_t *sig_regs = xive_tctx_signal_regs(tctx, ring); uint8_t *regs = &tctx->regs[ring]; - uint8_t ipb, nsr = sig_regs[TM_NSR]; + uint8_t ipb; Xive2Nvp nvp; /* @@ -978,14 +978,6 @@ static void xive2_tctx_need_resend(Xive2Router *xrtr, XiveTCTX *tctx, } /* IPB bits in the backlog are merged with the TIMA IPB bits */ regs[TM_IPB] |= ipb; - - if (xive_nsr_indicates_group_exception(ring, nsr)) { - /* redistribute precluded active grp interrupt */ - g_assert(ring == TM_QW2_HV_POOL); /* PHYS ring has the grp interrupt */ - xive2_redistribute(xrtr, tctx, xive_nsr_exception_ring(ring, nsr)); - } - xive2_tctx_process_pending(tctx, ring == TM_QW2_HV_POOL ? - TM_QW3_HV_PHYS : ring); } /* @@ -1028,8 +1020,20 @@ static void xive2_tm_push_ctx(XivePresenter *xptr, XiveTCTX *tctx, /* Check the interrupt pending bits */ if (v) { - xive2_tctx_need_resend(XIVE2_ROUTER(xptr), tctx, ring, + Xive2Router *xrtr = XIVE2_ROUTER(xptr); + uint8_t *sig_regs = xive_tctx_signal_regs(tctx, ring); + uint8_t nsr = sig_regs[TM_NSR]; + + xive2_tctx_restore_nvp(xrtr, tctx, ring, nvp_blk, nvp_idx, do_restore); + + if (xive_nsr_indicates_group_exception(ring, nsr)) { + /* redistribute precluded active grp interrupt */ + g_assert(ring == TM_QW2_HV_POOL); /* PHYS ring has the interrupt */ + xive2_redistribute(xrtr, tctx, xive_nsr_exception_ring(ring, nsr)); + } + xive2_tctx_process_pending(tctx, ring == TM_QW2_HV_POOL ? + TM_QW3_HV_PHYS : ring); } } |