Date: Mon, 29 Sep 2025 14:37:46 GMT From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: f487e4778bb7 - main - cxgbe(4): Update meminfo for T7 Message-ID: <202509291437.58TEbk3j017663@gitrepo.freebsd.org>
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The branch main has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=f487e4778bb7154bec5057f5a6f9ca2a0230d4ae commit f487e4778bb7154bec5057f5a6f9ca2a0230d4ae Author: Navdeep Parhar <np@FreeBSD.org> AuthorDate: 2025-09-29 08:24:05 +0000 Commit: Navdeep Parhar <np@FreeBSD.org> CommitDate: 2025-09-29 14:25:59 +0000 cxgbe(4): Update meminfo for T7 There are new regions in the T7 and internal addresses are not limited to 32b. MFC after: 3 days Sponsored by: Chelsio Communications --- sys/dev/cxgbe/t4_main.c | 196 +++++++++++++++++++++++++++++++++++++----------- 1 file changed, 153 insertions(+), 43 deletions(-) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 01899bda0216..101215073385 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -10030,16 +10030,16 @@ sysctl_linkdnrc(SYSCTL_HANDLER_ARGS) } struct mem_desc { - u_int base; - u_int limit; + uint64_t base; + uint64_t limit; u_int idx; }; static int mem_desc_cmp(const void *a, const void *b) { - const u_int v1 = ((const struct mem_desc *)a)->base; - const u_int v2 = ((const struct mem_desc *)b)->base; + const uint64_t v1 = ((const struct mem_desc *)a)->base; + const uint64_t v2 = ((const struct mem_desc *)b)->base; if (v1 < v2) return (-1); @@ -10050,10 +10050,9 @@ mem_desc_cmp(const void *a, const void *b) } static void -mem_region_show(struct sbuf *sb, const char *name, unsigned int from, - unsigned int to) +mem_region_show(struct sbuf *sb, const char *name, uint64_t from, uint64_t to) { - unsigned int size; + uintmax_t size; if (from == to) return; @@ -10062,8 +10061,12 @@ mem_region_show(struct sbuf *sb, const char *name, unsigned int from, if (size == 0) return; - /* XXX: need humanize_number(3) in libkern for a more readable 'size' */ - sbuf_printf(sb, "%-15s %#x-%#x [%u]\n", name, from, to, size); + if (from > UINT32_MAX || to > UINT32_MAX) + sbuf_printf(sb, "%-18s 0x%012jx-0x%012jx [%ju]\n", name, + (uintmax_t)from, (uintmax_t)to, size); + else + sbuf_printf(sb, "%-18s 0x%08jx-0x%08jx [%ju]\n", name, + (uintmax_t)from, (uintmax_t)to, size); } static int @@ -10071,7 +10074,7 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) { struct adapter *sc = arg1; struct sbuf *sb; - int rc, i, n; + int rc, i, n, nchan; uint32_t lo, hi, used, free, alloc; static const char *memory[] = { "EDC0:", "EDC1:", "MC:", "MC0:", "MC1:", "HMA:" @@ -10082,12 +10085,14 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:", "TDDP region:", "TPT region:", "STAG region:", "RQ region:", "RQUDP region:", "PBL region:", "TXPBL region:", - "TLSKey region:", "DBVFIFO region:", "ULPRX state:", - "ULPTX state:", "On-chip queues:", + "TLSKey region:", "RRQ region:", "NVMe STAG region:", + "NVMe RQ region:", "NVMe RXPBL region:", "NVMe TPT region:", + "NVMe TXPBL region:", "DBVFIFO region:", "ULPRX state:", + "ULPTX state:", "RoCE RRQ region:", "On-chip queues:", }; struct mem_desc avail[4]; struct mem_desc mem[nitems(region) + 3]; /* up to 3 holes */ - struct mem_desc *md = mem; + struct mem_desc *md; rc = sysctl_wire_old_buffer(req, 0); if (rc != 0) @@ -10113,36 +10118,91 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) lo = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE); if (lo & F_EDRAM0_ENABLE) { hi = t4_read_reg(sc, A_MA_EDRAM0_BAR); - avail[i].base = G_EDRAM0_BASE(hi) << 20; - avail[i].limit = avail[i].base + (G_EDRAM0_SIZE(hi) << 20); + if (chip_id(sc) >= CHELSIO_T7) { + avail[i].base = (uint64_t)G_T7_EDRAM0_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_T7_EDRAM0_SIZE(hi) << 20); + } else { + avail[i].base = (uint64_t)G_EDRAM0_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EDRAM0_SIZE(hi) << 20); + } avail[i].idx = 0; i++; } if (lo & F_EDRAM1_ENABLE) { hi = t4_read_reg(sc, A_MA_EDRAM1_BAR); - avail[i].base = G_EDRAM1_BASE(hi) << 20; - avail[i].limit = avail[i].base + (G_EDRAM1_SIZE(hi) << 20); + if (chip_id(sc) >= CHELSIO_T7) { + avail[i].base = (uint64_t)G_T7_EDRAM1_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_T7_EDRAM1_SIZE(hi) << 20); + } else { + avail[i].base = (uint64_t)G_EDRAM1_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EDRAM1_SIZE(hi) << 20); + } avail[i].idx = 1; i++; } if (lo & F_EXT_MEM_ENABLE) { - hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR); - avail[i].base = G_EXT_MEM_BASE(hi) << 20; - avail[i].limit = avail[i].base + (G_EXT_MEM_SIZE(hi) << 20); - avail[i].idx = is_t5(sc) ? 3 : 2; /* Call it MC0 for T5 */ + switch (chip_id(sc)) { + case CHELSIO_T4: + case CHELSIO_T6: + hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR); + avail[i].base = (uint64_t)G_EXT_MEM_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EXT_MEM_SIZE(hi) << 20); + avail[i].idx = 2; + break; + case CHELSIO_T5: + hi = t4_read_reg(sc, A_MA_EXT_MEMORY0_BAR); + avail[i].base = (uint64_t)G_EXT_MEM0_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EXT_MEM0_SIZE(hi) << 20); + avail[i].idx = 3; /* Call it MC0 for T5 */ + break; + default: + hi = t4_read_reg(sc, A_MA_EXT_MEMORY0_BAR); + avail[i].base = (uint64_t)G_T7_EXT_MEM0_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_T7_EXT_MEM0_SIZE(hi) << 20); + avail[i].idx = 3; /* Call it MC0 for T7+ */ + break; + } i++; } - if (is_t5(sc) && lo & F_EXT_MEM1_ENABLE) { + if (lo & F_EXT_MEM1_ENABLE && !(lo & F_MC_SPLIT)) { + /* Only T5 and T7+ have 2 MCs. */ + MPASS(is_t5(sc) || chip_id(sc) >= CHELSIO_T7); + hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); - avail[i].base = G_EXT_MEM1_BASE(hi) << 20; - avail[i].limit = avail[i].base + (G_EXT_MEM1_SIZE(hi) << 20); + if (chip_id(sc) >= CHELSIO_T7) { + avail[i].base = (uint64_t)G_T7_EXT_MEM1_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_T7_EXT_MEM1_SIZE(hi) << 20); + } else { + avail[i].base = (uint64_t)G_EXT_MEM1_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EXT_MEM1_SIZE(hi) << 20); + } avail[i].idx = 4; i++; } - if (is_t6(sc) && lo & F_HMA_MUX) { - hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); - avail[i].base = G_EXT_MEM1_BASE(hi) << 20; - avail[i].limit = avail[i].base + (G_EXT_MEM1_SIZE(hi) << 20); + if (lo & F_HMA_MUX) { + /* Only T6+ have HMA. */ + MPASS(chip_id(sc) >= CHELSIO_T6); + + if (chip_id(sc) >= CHELSIO_T7) { + hi = t4_read_reg(sc, A_MA_HOST_MEMORY_BAR); + avail[i].base = (uint64_t)G_HMATARGETBASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_T7_HMA_SIZE(hi) << 20); + } else { + hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); + avail[i].base = G_EXT_MEM1_BASE(hi) << 20; + avail[i].limit = avail[i].base + + (G_EXT_MEM1_SIZE(hi) << 20); + } avail[i].idx = 5; i++; } @@ -10151,6 +10211,7 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) goto done; qsort(avail, i, sizeof(struct mem_desc), mem_desc_cmp); + md = &mem[0]; (md++)->base = t4_read_reg(sc, A_SGE_DBQ_CTXT_BADDR); (md++)->base = t4_read_reg(sc, A_SGE_IMSG_CTXT_BADDR); (md++)->base = t4_read_reg(sc, A_SGE_FLM_CACHE_BADDR); @@ -10186,22 +10247,52 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) } md++; -#define ulp_region(reg) \ - md->base = t4_read_reg(sc, A_ULP_ ## reg ## _LLIMIT);\ - (md++)->limit = t4_read_reg(sc, A_ULP_ ## reg ## _ULIMIT) +#define ulp_region(reg) do {\ + const u_int shift = chip_id(sc) >= CHELSIO_T7 ? 4 : 0; \ + md->base = (uint64_t)t4_read_reg(sc, A_ULP_ ## reg ## _LLIMIT) << shift; \ + md->limit = (uint64_t)t4_read_reg(sc, A_ULP_ ## reg ## _ULIMIT) << shift; \ + md->limit += (1 << shift) - 1; \ + md++; \ + } while (0) + +#define hide_ulp_region() do { \ + md->base = 0; \ + md->idx = nitems(region); \ + md++; \ + } while (0) ulp_region(RX_ISCSI); ulp_region(RX_TDDP); ulp_region(TX_TPT); ulp_region(RX_STAG); ulp_region(RX_RQ); - ulp_region(RX_RQUDP); + if (chip_id(sc) < CHELSIO_T7) + ulp_region(RX_RQUDP); + else + hide_ulp_region(); ulp_region(RX_PBL); ulp_region(TX_PBL); - if (sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS) { + if (chip_id(sc) >= CHELSIO_T6) ulp_region(RX_TLS_KEY); + else + hide_ulp_region(); + if (chip_id(sc) >= CHELSIO_T7) { + ulp_region(RX_RRQ); + ulp_region(RX_NVME_TCP_STAG); + ulp_region(RX_NVME_TCP_RQ); + ulp_region(RX_NVME_TCP_PBL); + ulp_region(TX_NVME_TCP_TPT); + ulp_region(TX_NVME_TCP_PBL); + } else { + hide_ulp_region(); + hide_ulp_region(); + hide_ulp_region(); + hide_ulp_region(); + hide_ulp_region(); + hide_ulp_region(); } #undef ulp_region +#undef hide_ulp_region md->base = 0; if (is_t4(sc)) @@ -10232,6 +10323,15 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) md->limit = 0; md++; + if (chip_id(sc) >= CHELSIO_T7) { + t4_tp_pio_read(sc, &lo, 1, A_TP_ROCE_RRQ_BASE, false); + md->base = lo; + } else { + md->base = 0; + md->idx = nitems(region); + } + md++; + md->base = sc->vres.ocq.start; if (sc->vres.ocq.size) md->limit = md->base + sc->vres.ocq.size - 1; @@ -10264,31 +10364,41 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) mem[i].limit); } - sbuf_printf(sb, "\n"); lo = t4_read_reg(sc, A_CIM_SDRAM_BASE_ADDR); hi = t4_read_reg(sc, A_CIM_SDRAM_ADDR_SIZE) + lo - 1; - mem_region_show(sb, "uP RAM:", lo, hi); + if (hi != lo - 1) { + sbuf_printf(sb, "\n"); + mem_region_show(sb, "uP RAM:", lo, hi); + } lo = t4_read_reg(sc, A_CIM_EXTMEM2_BASE_ADDR); hi = t4_read_reg(sc, A_CIM_EXTMEM2_ADDR_SIZE) + lo - 1; - mem_region_show(sb, "uP Extmem2:", lo, hi); + if (hi != lo - 1) + mem_region_show(sb, "uP Extmem2:", lo, hi); lo = t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE); - for (i = 0, free = 0; i < 2; i++) + if (chip_id(sc) >= CHELSIO_T7) + nchan = 1 << G_T7_PMRXNUMCHN(lo); + else + nchan = lo & F_PMRXNUMCHN ? 2 : 1; + for (i = 0, free = 0; i < nchan; i++) free += G_FREERXPAGECOUNT(t4_read_reg(sc, A_TP_FLM_FREE_RX_CNT)); sbuf_printf(sb, "\n%u Rx pages (%u free) of size %uKiB for %u channels\n", G_PMRXMAXPAGE(lo), free, - t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) >> 10, - (lo & F_PMRXNUMCHN) ? 2 : 1); + t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) >> 10, nchan); lo = t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE); hi = t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE); - for (i = 0, free = 0; i < 4; i++) + if (chip_id(sc) >= CHELSIO_T7) + nchan = 1 << G_T7_PMTXNUMCHN(lo); + else + nchan = 1 << G_PMTXNUMCHN(lo); + for (i = 0, free = 0; i < nchan; i++) free += G_FREETXPAGECOUNT(t4_read_reg(sc, A_TP_FLM_FREE_TX_CNT)); sbuf_printf(sb, "%u Tx pages (%u free) of size %u%ciB for %u channels\n", G_PMTXMAXPAGE(lo), free, hi >= (1 << 20) ? (hi >> 20) : (hi >> 10), - hi >= (1 << 20) ? 'M' : 'K', 1 << G_PMTXNUMCHN(lo)); + hi >= (1 << 20) ? 'M' : 'K', nchan); sbuf_printf(sb, "%u p-structs (%u free)\n", t4_read_reg(sc, A_TP_CMM_MM_MAX_PSTRUCT), G_FREEPSTRUCTCOUNT(t4_read_reg(sc, A_TP_FLM_FREE_PS_CNT))); @@ -10305,7 +10415,7 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) used = G_USED(lo); alloc = G_ALLOC(lo); } - /* For T6 these are MAC buffer groups */ + /* For T6+ these are MAC buffer groups */ sbuf_printf(sb, "\nPort %d using %u pages out of %u allocated", i, used, alloc); } @@ -10321,7 +10431,7 @@ sysctl_meminfo(SYSCTL_HANDLER_ARGS) used = G_USED(lo); alloc = G_ALLOC(lo); } - /* For T6 these are MAC buffer groups */ + /* For T6+ these are MAC buffer groups */ sbuf_printf(sb, "\nLoopback %d using %u pages out of %u allocated", i, used, alloc);
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