diff options
Diffstat (limited to 'hw/intc/pnv_xive.c')
| -rw-r--r-- | hw/intc/pnv_xive.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index 9a771f6..8055de8 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -372,6 +372,45 @@ static int pnv_xive_get_eas(XiveRouter *xrtr, uint8_t blk, uint32_t idx, return pnv_xive_vst_read(xive, VST_TSEL_IVT, blk, idx, eas); } +static int pnv_xive_match_nvt(XivePresenter *xptr, uint8_t format, + uint8_t nvt_blk, uint32_t nvt_idx, + bool cam_ignore, uint8_t priority, + uint32_t logic_serv, XiveTCTXMatch *match) +{ + CPUState *cs; + int count = 0; + + CPU_FOREACH(cs) { + PowerPCCPU *cpu = POWERPC_CPU(cs); + XiveTCTX *tctx = XIVE_TCTX(pnv_cpu_state(cpu)->intc); + int ring; + + /* + * Check the thread context CAM lines and record matches. + */ + ring = xive_presenter_tctx_match(xptr, tctx, format, nvt_blk, nvt_idx, + cam_ignore, logic_serv); + /* + * Save the context and follow on to catch duplicates, that we + * don't support yet. + */ + if (ring != -1) { + if (match->tctx) { + qemu_log_mask(LOG_GUEST_ERROR, "XIVE: already found a " + "thread context NVT %x/%x\n", + nvt_blk, nvt_idx); + return -1; + } + + match->ring = ring; + match->tctx = tctx; + count++; + } + } + + return count; +} + static XiveTCTX *pnv_xive_get_tctx(XiveRouter *xrtr, CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -1780,6 +1819,7 @@ static void pnv_xive_class_init(ObjectClass *klass, void *data) PnvXScomInterfaceClass *xdc = PNV_XSCOM_INTERFACE_CLASS(klass); XiveRouterClass *xrc = XIVE_ROUTER_CLASS(klass); XiveNotifierClass *xnc = XIVE_NOTIFIER_CLASS(klass); + XivePresenterClass *xpc = XIVE_PRESENTER_CLASS(klass); xdc->dt_xscom = pnv_xive_dt_xscom; @@ -1795,6 +1835,7 @@ static void pnv_xive_class_init(ObjectClass *klass, void *data) xrc->get_tctx = pnv_xive_get_tctx; xnc->notify = pnv_xive_notify; + xpc->match_nvt = pnv_xive_match_nvt; }; static const TypeInfo pnv_xive_info = { |