diff options
| -rw-r--r-- | hw/intc/pnv_xive.c | 64 | ||||
| -rw-r--r-- | include/hw/ppc/xive_regs.h | 3 |
2 files changed, 67 insertions, 0 deletions
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index 43c760efd1..a0a69b98a7 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -528,6 +528,44 @@ static uint32_t pnv_xive_nr_ipis(PnvXive *xive, uint8_t blk) } /* + * Compute the number of entries per indirect subpage. + */ +static uint64_t pnv_xive_vst_per_subpage(PnvXive *xive, uint32_t type) +{ + uint8_t blk = pnv_xive_block_id(xive); + uint64_t vsd = xive->vsds[type][blk]; + const XiveVstInfo *info = &vst_infos[type]; + uint64_t vsd_addr; + uint32_t page_shift; + + /* For direct tables, fake a valid value */ + if (!(VSD_INDIRECT & vsd)) { + return 1; + } + + /* Get the page size of the indirect table. */ + vsd_addr = vsd & VSD_ADDRESS_MASK; + vsd = ldq_be_dma(&address_space_memory, vsd_addr); + + if (!(vsd & VSD_ADDRESS_MASK)) { +#ifdef XIVE_DEBUG + xive_error(xive, "VST: invalid %s entry %x !?", info->name, idx); +#endif + return 0; + } + + page_shift = GETFIELD(VSD_TSIZE, vsd) + 12; + + if (!pnv_xive_vst_page_size_allowed(page_shift)) { + xive_error(xive, "VST: invalid %s page shift %d", info->name, + page_shift); + return 0; + } + + return (1ull << page_shift) / info->size; +} + +/* * EDT Table * * The Virtualization Controller MMIO region containing the IPI ESB @@ -1665,6 +1703,21 @@ static const MemoryRegionOps pnv_xive_pc_ops = { }, }; +static void xive_nvt_pic_print_info(XiveNVT *nvt, uint32_t nvt_idx, + Monitor *mon) +{ + uint8_t eq_blk = xive_get_field32(NVT_W1_EQ_BLOCK, nvt->w1); + uint32_t eq_idx = xive_get_field32(NVT_W1_EQ_INDEX, nvt->w1); + + if (!xive_nvt_is_valid(nvt)) { + return; + } + + monitor_printf(mon, " %08x end:%02x/%04x IPB:%02x\n", nvt_idx, + eq_blk, eq_idx, + xive_get_field32(NVT_W4_IPB, nvt->w4)); +} + void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon) { XiveRouter *xrtr = XIVE_ROUTER(xive); @@ -1674,7 +1727,9 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon) uint32_t nr_ipis = pnv_xive_nr_ipis(xive, blk); XiveEAS eas; XiveEND end; + XiveNVT nvt; int i; + uint64_t xive_nvt_per_subpage; monitor_printf(mon, "XIVE[%x] #%d Source %08x .. %08x\n", chip_id, blk, srcno0, srcno0 + nr_ipis - 1); @@ -1702,6 +1757,15 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon) while (!xive_router_get_end(xrtr, blk, i, &end)) { xive_end_eas_pic_print_info(&end, i++, mon); } + + monitor_printf(mon, "XIVE[%x] #%d NVTT %08x .. %08x\n", chip_id, blk, + 0, XIVE_NVT_COUNT - 1); + xive_nvt_per_subpage = pnv_xive_vst_per_subpage(xive, VST_TSEL_VPDT); + for (i = 0; i < XIVE_NVT_COUNT; i += xive_nvt_per_subpage) { + while (!xive_router_get_nvt(xrtr, blk, i, &nvt)) { + xive_nvt_pic_print_info(&nvt, i++, mon); + } + } } static void pnv_xive_reset(void *dev) diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h index 1a5622f8de..09f243600c 100644 --- a/include/hw/ppc/xive_regs.h +++ b/include/hw/ppc/xive_regs.h @@ -252,6 +252,8 @@ typedef struct XiveNVT { uint32_t w0; #define NVT_W0_VALID PPC_BIT32(0) uint32_t w1; +#define NVT_W1_EQ_BLOCK PPC_BITMASK32(0, 3) +#define NVT_W1_EQ_INDEX PPC_BITMASK32(4, 31) uint32_t w2; uint32_t w3; uint32_t w4; @@ -277,6 +279,7 @@ typedef struct XiveNVT { * field of the XIVE END */ #define XIVE_NVT_SHIFT 19 +#define XIVE_NVT_COUNT (1 << XIVE_NVT_SHIFT) static inline uint32_t xive_nvt_cam_line(uint8_t nvt_blk, uint32_t nvt_idx) { |