From patchwork Mon Nov 21 15:00:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 17115 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 1E2F9D494; Mon, 21 Nov 2016 16:02:46 +0100 (CET) Received: from nbfkord-smmo02.seg.att.com (nbfkord-smmo02.seg.att.com [209.65.160.78]) by dpdk.org (Postfix) with ESMTP id 812EC532C for ; Mon, 21 Nov 2016 16:01:30 +0100 (CET) Received: from unknown [12.187.104.26] by nbfkord-smmo02.seg.att.com(mxl_mta-7.2.4-7) with SMTP id a4c03385.0.1541296.00-2307.3424191.nbfkord-smmo02.seg.att.com (envelope-from ); Mon, 21 Nov 2016 15:01:30 +0000 (UTC) X-MXL-Hash: 58330c4a3392db8a-030a90ad0cfd1a6bd348ccea2c81ef2e4e155b21 Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Mon, 21 Nov 2016 07:01:21 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Mon, 21 Nov 2016 07:01:21 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uALF1JlH007130 for ; Mon, 21 Nov 2016 15:01:19 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uALF1J33006765 for ; Mon, 21 Nov 2016 15:01:19 GMT From: Andrew Rybchenko To: Date: Mon, 21 Nov 2016 15:00:26 +0000 Message-ID: <1479740470-6723-13-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1479740470-6723-1-git-send-email-arybchenko@solarflare.com> References: <1479740470-6723-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-AnalysisOut: [v=2.1 cv=UI/baXry c=1 sm=1 tr=0 a=8BlWFWvVlq5taO8ncb8nKg==] X-AnalysisOut: [:17 a=L24OOQBejmoA:10 a=zRKbQ67AAAAA:8 a=9L2yPZHjBX76XaYyZ] X-AnalysisOut: [rgA:9 a=8WFdC95M9lDdCqiA:21 a=FgtK5FAYxCvVRxI6:21 a=4M_vrc] X-AnalysisOut: [Hv_aKuSUA4:21 a=PA03WX8tBzeizutn5_OT:22] X-Spam: [F=0.5000550566; CM=0.500; S=0.500(2015072901)] X-MAIL-FROM: X-SOURCE-IP: [12.187.104.26] Subject: [dpdk-dev] [PATCH 12/56] net/sfc: import libefx diagnostics support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" EFSYS_OPT_DIAG should be enabled to use it. From Solarflare Communications Inc. Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/efx/base/ef10_impl.h | 8 ++ drivers/net/sfc/efx/base/ef10_nic.c | 27 ++++++ drivers/net/sfc/efx/base/efx.h | 33 +++++++ drivers/net/sfc/efx/base/efx_check.h | 7 ++ drivers/net/sfc/efx/base/efx_impl.h | 29 ++++++ drivers/net/sfc/efx/base/efx_nic.c | 168 ++++++++++++++++++++++++++++++++++ drivers/net/sfc/efx/base/efx_sram.c | 131 ++++++++++++++++++++++++++ drivers/net/sfc/efx/base/siena_impl.h | 17 ++++ drivers/net/sfc/efx/base/siena_nic.c | 132 ++++++++++++++++++++++++++ drivers/net/sfc/efx/base/siena_sram.c | 104 +++++++++++++++++++++ 10 files changed, 656 insertions(+) diff --git a/drivers/net/sfc/efx/base/ef10_impl.h b/drivers/net/sfc/efx/base/ef10_impl.h index 15d12d2..5bebbe9 100644 --- a/drivers/net/sfc/efx/base/ef10_impl.h +++ b/drivers/net/sfc/efx/base/ef10_impl.h @@ -192,6 +192,14 @@ extern __checkReturn efx_rc_t ef10_nic_init( __in efx_nic_t *enp); +#if EFSYS_OPT_DIAG + +extern __checkReturn efx_rc_t +ef10_nic_register_test( + __in efx_nic_t *enp); + +#endif /* EFSYS_OPT_DIAG */ + extern void ef10_nic_fini( __in efx_nic_t *enp); diff --git a/drivers/net/sfc/efx/base/ef10_nic.c b/drivers/net/sfc/efx/base/ef10_nic.c index 538e18c..0eb72a7 100644 --- a/drivers/net/sfc/efx/base/ef10_nic.c +++ b/drivers/net/sfc/efx/base/ef10_nic.c @@ -1765,5 +1765,32 @@ ef10_nic_unprobe( (void) efx_mcdi_drv_attach(enp, B_FALSE); } +#if EFSYS_OPT_DIAG + + __checkReturn efx_rc_t +ef10_nic_register_test( + __in efx_nic_t *enp) +{ + efx_rc_t rc; + + /* FIXME */ + _NOTE(ARGUNUSED(enp)) + _NOTE(CONSTANTCONDITION) + if (B_FALSE) { + rc = ENOTSUP; + goto fail1; + } + /* FIXME */ + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_DIAG */ + #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ diff --git a/drivers/net/sfc/efx/base/efx.h b/drivers/net/sfc/efx/base/efx.h index e61c865..4cabc79 100644 --- a/drivers/net/sfc/efx/base/efx.h +++ b/drivers/net/sfc/efx/base/efx.h @@ -146,6 +146,14 @@ extern __checkReturn efx_rc_t efx_nic_reset( __in efx_nic_t *enp); +#if EFSYS_OPT_DIAG + +extern __checkReturn efx_rc_t +efx_nic_register_test( + __in efx_nic_t *enp); + +#endif /* EFSYS_OPT_DIAG */ + extern void efx_nic_fini( __in efx_nic_t *enp); @@ -689,6 +697,31 @@ efx_nic_get_vi_pool( /* NVRAM */ +#if EFSYS_OPT_DIAG + +typedef enum efx_pattern_type_t { + EFX_PATTERN_BYTE_INCREMENT = 0, + EFX_PATTERN_ALL_THE_SAME, + EFX_PATTERN_BIT_ALTERNATE, + EFX_PATTERN_BYTE_ALTERNATE, + EFX_PATTERN_BYTE_CHANGING, + EFX_PATTERN_BIT_SWEEP, + EFX_PATTERN_NTYPES +} efx_pattern_type_t; + +typedef void +(*efx_sram_pattern_fn_t)( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp); + +extern __checkReturn efx_rc_t +efx_sram_test( + __in efx_nic_t *enp, + __in efx_pattern_type_t type); + +#endif /* EFSYS_OPT_DIAG */ + extern __checkReturn efx_rc_t efx_sram_buf_tbl_set( __in efx_nic_t *enp, diff --git a/drivers/net/sfc/efx/base/efx_check.h b/drivers/net/sfc/efx/base/efx_check.h index ef88645..feaccd0 100644 --- a/drivers/net/sfc/efx/base/efx_check.h +++ b/drivers/net/sfc/efx/base/efx_check.h @@ -59,6 +59,13 @@ # endif #endif /* EFSYS_OPT_DECODE_INTR_FATAL */ +#if EFSYS_OPT_DIAG +/* Support diagnostic hardware tests */ +# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) +# error "DIAG requires SIENA or HUNTINGTON or MEDFORD" +# endif +#endif /* EFSYS_OPT_DIAG */ + #ifdef EFSYS_OPT_FALCON_NIC_CFG_OVERRIDE # error "FALCON_NIC_CFG_OVERRIDE is obsolete and is not supported." #endif diff --git a/drivers/net/sfc/efx/base/efx_impl.h b/drivers/net/sfc/efx/base/efx_impl.h index 97057e4..a7c6b29 100644 --- a/drivers/net/sfc/efx/base/efx_impl.h +++ b/drivers/net/sfc/efx/base/efx_impl.h @@ -271,6 +271,9 @@ typedef struct efx_nic_ops_s { efx_rc_t (*eno_get_vi_pool)(efx_nic_t *, uint32_t *); efx_rc_t (*eno_get_bar_region)(efx_nic_t *, efx_nic_region_t, uint32_t *, size_t *); +#if EFSYS_OPT_DIAG + efx_rc_t (*eno_register_test)(efx_nic_t *); +#endif /* EFSYS_OPT_DIAG */ void (*eno_fini)(efx_nic_t *); void (*eno_unprobe)(efx_nic_t *); } efx_nic_ops_t; @@ -829,6 +832,32 @@ extern void efx_phy_unprobe( __in efx_nic_t *enp); +#if EFSYS_OPT_DIAG + +extern efx_sram_pattern_fn_t __efx_sram_pattern_fns[]; + +typedef struct efx_register_set_s { + unsigned int address; + unsigned int step; + unsigned int rows; + efx_oword_t mask; +} efx_register_set_t; + +extern __checkReturn efx_rc_t +efx_nic_test_registers( + __in efx_nic_t *enp, + __in efx_register_set_t *rsp, + __in size_t count); + +extern __checkReturn efx_rc_t +efx_nic_test_tables( + __in efx_nic_t *enp, + __in efx_register_set_t *rsp, + __in efx_pattern_type_t pattern, + __in size_t count); + +#endif /* EFSYS_OPT_DIAG */ + #if EFSYS_OPT_MCDI extern __checkReturn efx_rc_t diff --git a/drivers/net/sfc/efx/base/efx_nic.c b/drivers/net/sfc/efx/base/efx_nic.c index 5cc2910..95ae8c6 100644 --- a/drivers/net/sfc/efx/base/efx_nic.c +++ b/drivers/net/sfc/efx/base/efx_nic.c @@ -184,6 +184,9 @@ static const efx_nic_ops_t __efx_nic_siena_ops = { siena_nic_init, /* eno_init */ NULL, /* eno_get_vi_pool */ NULL, /* eno_get_bar_region */ +#if EFSYS_OPT_DIAG + siena_nic_register_test, /* eno_register_test */ +#endif /* EFSYS_OPT_DIAG */ siena_nic_fini, /* eno_fini */ siena_nic_unprobe, /* eno_unprobe */ }; @@ -200,6 +203,9 @@ static const efx_nic_ops_t __efx_nic_hunt_ops = { ef10_nic_init, /* eno_init */ ef10_nic_get_vi_pool, /* eno_get_vi_pool */ ef10_nic_get_bar_region, /* eno_get_bar_region */ +#if EFSYS_OPT_DIAG + ef10_nic_register_test, /* eno_register_test */ +#endif /* EFSYS_OPT_DIAG */ ef10_nic_fini, /* eno_fini */ ef10_nic_unprobe, /* eno_unprobe */ }; @@ -216,6 +222,9 @@ static const efx_nic_ops_t __efx_nic_medford_ops = { ef10_nic_init, /* eno_init */ ef10_nic_get_vi_pool, /* eno_get_vi_pool */ ef10_nic_get_bar_region, /* eno_get_bar_region */ +#if EFSYS_OPT_DIAG + ef10_nic_register_test, /* eno_register_test */ +#endif /* EFSYS_OPT_DIAG */ ef10_nic_fini, /* eno_fini */ ef10_nic_unprobe, /* eno_unprobe */ }; @@ -607,6 +616,165 @@ efx_nic_cfg_get( return (&(enp->en_nic_cfg)); } +#if EFSYS_OPT_DIAG + + __checkReturn efx_rc_t +efx_nic_register_test( + __in efx_nic_t *enp) +{ + const efx_nic_ops_t *enop = enp->en_enop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); + EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_NIC)); + + if ((rc = enop->eno_register_test(enp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_nic_test_registers( + __in efx_nic_t *enp, + __in efx_register_set_t *rsp, + __in size_t count) +{ + unsigned int bit; + efx_oword_t original; + efx_oword_t reg; + efx_oword_t buf; + efx_rc_t rc; + + while (count > 0) { + /* This function is only suitable for registers */ + EFSYS_ASSERT(rsp->rows == 1); + + /* bit sweep on and off */ + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &original, + B_TRUE); + for (bit = 0; bit < 128; bit++) { + /* Is this bit in the mask? */ + if (~(rsp->mask.eo_u32[bit >> 5]) & (1 << bit)) + continue; + + /* Test this bit can be set in isolation */ + reg = original; + EFX_AND_OWORD(reg, rsp->mask); + EFX_SET_OWORD_BIT(reg, bit); + + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, ®, + B_TRUE); + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf, + B_TRUE); + + EFX_AND_OWORD(buf, rsp->mask); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail1; + } + + /* Test this bit can be cleared in isolation */ + EFX_OR_OWORD(reg, rsp->mask); + EFX_CLEAR_OWORD_BIT(reg, bit); + + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, ®, + B_TRUE); + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf, + B_TRUE); + + EFX_AND_OWORD(buf, rsp->mask); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail2; + } + } + + /* Restore the old value */ + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, &original, + B_TRUE); + + --count; + ++rsp; + } + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + /* Restore the old value */ + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, &original, B_TRUE); + + return (rc); +} + + __checkReturn efx_rc_t +efx_nic_test_tables( + __in efx_nic_t *enp, + __in efx_register_set_t *rsp, + __in efx_pattern_type_t pattern, + __in size_t count) +{ + efx_sram_pattern_fn_t func; + unsigned int index; + unsigned int address; + efx_oword_t reg; + efx_oword_t buf; + efx_rc_t rc; + + EFSYS_ASSERT(pattern < EFX_PATTERN_NTYPES); + func = __efx_sram_pattern_fns[pattern]; + + while (count > 0) { + /* Write */ + address = rsp->address; + for (index = 0; index < rsp->rows; ++index) { + func(2 * index + 0, B_FALSE, ®.eo_qword[0]); + func(2 * index + 1, B_FALSE, ®.eo_qword[1]); + EFX_AND_OWORD(reg, rsp->mask); + EFSYS_BAR_WRITEO(enp->en_esbp, address, ®, B_TRUE); + + address += rsp->step; + } + + /* Read */ + address = rsp->address; + for (index = 0; index < rsp->rows; ++index) { + func(2 * index + 0, B_FALSE, ®.eo_qword[0]); + func(2 * index + 1, B_FALSE, ®.eo_qword[1]); + EFX_AND_OWORD(reg, rsp->mask); + EFSYS_BAR_READO(enp->en_esbp, address, &buf, B_TRUE); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail1; + } + + address += rsp->step; + } + + ++rsp; + --count; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_DIAG */ + __checkReturn efx_rc_t efx_nic_calculate_pcie_link_bandwidth( __in uint32_t pcie_link_width, diff --git a/drivers/net/sfc/efx/base/efx_sram.c b/drivers/net/sfc/efx/base/efx_sram.c index a55b06e..5f4edea 100644 --- a/drivers/net/sfc/efx/base/efx_sram.c +++ b/drivers/net/sfc/efx/base/efx_sram.c @@ -198,3 +198,134 @@ efx_sram_buf_tbl_clear( } +#if EFSYS_OPT_DIAG + +static void +efx_sram_byte_increment_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + size_t offset = row * FR_AZ_SRM_DBG_REG_STEP; + unsigned int index; + + _NOTE(ARGUNUSED(negate)) + + for (index = 0; index < sizeof (efx_qword_t); index++) + eqp->eq_u8[index] = offset + index; +} + +static void +efx_sram_all_the_same_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + _NOTE(ARGUNUSED(row)) + + if (negate) + EFX_SET_QWORD(*eqp); + else + EFX_ZERO_QWORD(*eqp); +} + +static void +efx_sram_bit_alternate_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + _NOTE(ARGUNUSED(row)) + + EFX_POPULATE_QWORD_2(*eqp, + EFX_DWORD_0, (negate) ? 0x55555555 : 0xaaaaaaaa, + EFX_DWORD_1, (negate) ? 0x55555555 : 0xaaaaaaaa); +} + +static void +efx_sram_byte_alternate_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + _NOTE(ARGUNUSED(row)) + + EFX_POPULATE_QWORD_2(*eqp, + EFX_DWORD_0, (negate) ? 0x00ff00ff : 0xff00ff00, + EFX_DWORD_1, (negate) ? 0x00ff00ff : 0xff00ff00); +} + +static void +efx_sram_byte_changing_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + size_t offset = row * FR_AZ_SRM_DBG_REG_STEP; + unsigned int index; + + for (index = 0; index < sizeof (efx_qword_t); index++) { + uint8_t byte; + + if (offset / 256 == 0) + byte = (uint8_t)((offset % 257) % 256); + else + byte = (uint8_t)(~((offset - 8) % 257) % 256); + + eqp->eq_u8[index] = (negate) ? ~byte : byte; + } +} + +static void +efx_sram_bit_sweep_set( + __in size_t row, + __in boolean_t negate, + __out efx_qword_t *eqp) +{ + size_t offset = row * FR_AZ_SRM_DBG_REG_STEP; + + if (negate) { + EFX_SET_QWORD(*eqp); + EFX_CLEAR_QWORD_BIT(*eqp, (offset / sizeof (efx_qword_t)) % 64); + } else { + EFX_ZERO_QWORD(*eqp); + EFX_SET_QWORD_BIT(*eqp, (offset / sizeof (efx_qword_t)) % 64); + } +} + +efx_sram_pattern_fn_t __efx_sram_pattern_fns[] = { + efx_sram_byte_increment_set, + efx_sram_all_the_same_set, + efx_sram_bit_alternate_set, + efx_sram_byte_alternate_set, + efx_sram_byte_changing_set, + efx_sram_bit_sweep_set +}; + + __checkReturn efx_rc_t +efx_sram_test( + __in efx_nic_t *enp, + __in efx_pattern_type_t type) +{ + efx_sram_pattern_fn_t func; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); + + EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); + EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); + EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_EV)); + + /* SRAM testing is only available on Siena. */ + if (enp->en_family != EFX_FAMILY_SIENA) + return (0); + + /* Select pattern generator */ + EFSYS_ASSERT3U(type, <, EFX_PATTERN_NTYPES); + func = __efx_sram_pattern_fns[type]; + + return (siena_sram_test(enp, func)); +} + +#endif /* EFSYS_OPT_DIAG */ diff --git a/drivers/net/sfc/efx/base/siena_impl.h b/drivers/net/sfc/efx/base/siena_impl.h index 2c2a098..c316867 100644 --- a/drivers/net/sfc/efx/base/siena_impl.h +++ b/drivers/net/sfc/efx/base/siena_impl.h @@ -54,6 +54,14 @@ extern __checkReturn efx_rc_t siena_nic_init( __in efx_nic_t *enp); +#if EFSYS_OPT_DIAG + +extern __checkReturn efx_rc_t +siena_nic_register_test( + __in efx_nic_t *enp); + +#endif /* EFSYS_OPT_DIAG */ + extern void siena_nic_fini( __in efx_nic_t *enp); @@ -68,6 +76,15 @@ extern void siena_sram_init( __in efx_nic_t *enp); +#if EFSYS_OPT_DIAG + +extern __checkReturn efx_rc_t +siena_sram_test( + __in efx_nic_t *enp, + __in efx_sram_pattern_fn_t func); + +#endif /* EFSYS_OPT_DIAG */ + #if EFSYS_OPT_MCDI extern __checkReturn efx_rc_t diff --git a/drivers/net/sfc/efx/base/siena_nic.c b/drivers/net/sfc/efx/base/siena_nic.c index 7be16dc..2d079c2 100644 --- a/drivers/net/sfc/efx/base/siena_nic.c +++ b/drivers/net/sfc/efx/base/siena_nic.c @@ -354,4 +354,136 @@ siena_nic_unprobe( (void) efx_mcdi_drv_attach(enp, B_FALSE); } +#if EFSYS_OPT_DIAG + +static efx_register_set_t __siena_registers[] = { + { FR_AZ_ADR_REGION_REG_OFST, 0, 1 }, + { FR_CZ_USR_EV_CFG_OFST, 0, 1 }, + { FR_AZ_RX_CFG_REG_OFST, 0, 1 }, + { FR_AZ_TX_CFG_REG_OFST, 0, 1 }, + { FR_AZ_TX_RESERVED_REG_OFST, 0, 1 }, + { FR_AZ_SRM_TX_DC_CFG_REG_OFST, 0, 1 }, + { FR_AZ_RX_DC_CFG_REG_OFST, 0, 1 }, + { FR_AZ_RX_DC_PF_WM_REG_OFST, 0, 1 }, + { FR_AZ_DP_CTRL_REG_OFST, 0, 1 }, + { FR_BZ_RX_RSS_TKEY_REG_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG1_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG2_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG3_OFST, 0, 1} +}; + +static const uint32_t __siena_register_masks[] = { + 0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF, + 0x000103FF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000, + 0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF, + 0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF, + 0x001FFFFF, 0x00000000, 0x00000000, 0x00000000, + 0x00000003, 0x00000000, 0x00000000, 0x00000000, + 0x000003FF, 0x00000000, 0x00000000, 0x00000000, + 0x00000FFF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000 +}; + +static efx_register_set_t __siena_tables[] = { + { FR_AZ_RX_FILTER_TBL0_OFST, FR_AZ_RX_FILTER_TBL0_STEP, + FR_AZ_RX_FILTER_TBL0_ROWS }, + { FR_CZ_RX_MAC_FILTER_TBL0_OFST, FR_CZ_RX_MAC_FILTER_TBL0_STEP, + FR_CZ_RX_MAC_FILTER_TBL0_ROWS }, + { FR_AZ_RX_DESC_PTR_TBL_OFST, + FR_AZ_RX_DESC_PTR_TBL_STEP, FR_CZ_RX_DESC_PTR_TBL_ROWS }, + { FR_AZ_TX_DESC_PTR_TBL_OFST, + FR_AZ_TX_DESC_PTR_TBL_STEP, FR_CZ_TX_DESC_PTR_TBL_ROWS }, + { FR_AZ_TIMER_TBL_OFST, FR_AZ_TIMER_TBL_STEP, FR_CZ_TIMER_TBL_ROWS }, + { FR_CZ_TX_FILTER_TBL0_OFST, + FR_CZ_TX_FILTER_TBL0_STEP, FR_CZ_TX_FILTER_TBL0_ROWS }, + { FR_CZ_TX_MAC_FILTER_TBL0_OFST, + FR_CZ_TX_MAC_FILTER_TBL0_STEP, FR_CZ_TX_MAC_FILTER_TBL0_ROWS } +}; + +static const uint32_t __siena_table_masks[] = { + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x000003FF, + 0xFFFF0FFF, 0xFFFFFFFF, 0x00000E7F, 0x00000000, + 0xFFFFFFFE, 0x0FFFFFFF, 0x01800000, 0x00000000, + 0xFFFFFFFE, 0x0FFFFFFF, 0x0C000000, 0x00000000, + 0x3FFFFFFF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x000013FF, + 0xFFFF07FF, 0xFFFFFFFF, 0x0000007F, 0x00000000, +}; + + __checkReturn efx_rc_t +siena_nic_register_test( + __in efx_nic_t *enp) +{ + efx_register_set_t *rsp; + const uint32_t *dwordp; + unsigned int nitems; + unsigned int count; + efx_rc_t rc; + + /* Fill out the register mask entries */ + EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__siena_register_masks) + == EFX_ARRAY_SIZE(__siena_registers) * 4); + + nitems = EFX_ARRAY_SIZE(__siena_registers); + dwordp = __siena_register_masks; + for (count = 0; count < nitems; ++count) { + rsp = __siena_registers + count; + rsp->mask.eo_u32[0] = *dwordp++; + rsp->mask.eo_u32[1] = *dwordp++; + rsp->mask.eo_u32[2] = *dwordp++; + rsp->mask.eo_u32[3] = *dwordp++; + } + + /* Fill out the register table entries */ + EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__siena_table_masks) + == EFX_ARRAY_SIZE(__siena_tables) * 4); + + nitems = EFX_ARRAY_SIZE(__siena_tables); + dwordp = __siena_table_masks; + for (count = 0; count < nitems; ++count) { + rsp = __siena_tables + count; + rsp->mask.eo_u32[0] = *dwordp++; + rsp->mask.eo_u32[1] = *dwordp++; + rsp->mask.eo_u32[2] = *dwordp++; + rsp->mask.eo_u32[3] = *dwordp++; + } + + if ((rc = efx_nic_test_registers(enp, __siena_registers, + EFX_ARRAY_SIZE(__siena_registers))) != 0) + goto fail1; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BYTE_ALTERNATE, + EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail2; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BYTE_CHANGING, + EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail3; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BIT_SWEEP, EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail4; + + return (0); + +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_DIAG */ + #endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/efx/base/siena_sram.c b/drivers/net/sfc/efx/base/siena_sram.c index 411ef9d..572c2e9 100644 --- a/drivers/net/sfc/efx/base/siena_sram.c +++ b/drivers/net/sfc/efx/base/siena_sram.c @@ -71,4 +71,108 @@ siena_sram_init( EFX_BAR_WRITEO(enp, FR_AZ_SRM_UPD_EVQ_REG, &oword); } +#if EFSYS_OPT_DIAG + + __checkReturn efx_rc_t +siena_sram_test( + __in efx_nic_t *enp, + __in efx_sram_pattern_fn_t func) +{ + efx_oword_t oword; + efx_qword_t qword; + efx_qword_t verify; + size_t rows; + unsigned int wptr; + unsigned int rptr; + efx_rc_t rc; + + EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); + + /* Reconfigure into HALF buffer table mode */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_BUF_TBL_MODE, 0); + EFX_BAR_WRITEO(enp, FR_AZ_BUF_TBL_CFG_REG, &oword); + + /* + * Move the descriptor caches up to the top of SRAM, and test + * all of SRAM below them. We only miss out one row here. + */ + rows = SIENA_SRAM_ROWS - 1; + EFX_POPULATE_OWORD_1(oword, FRF_AZ_SRM_RX_DC_BASE_ADR, rows); + EFX_BAR_WRITEO(enp, FR_AZ_SRM_RX_DC_CFG_REG, &oword); + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_SRM_TX_DC_BASE_ADR, rows + 1); + EFX_BAR_WRITEO(enp, FR_AZ_SRM_TX_DC_CFG_REG, &oword); + + /* + * Write the pattern through BUF_HALF_TBL. Write + * in 64 entry batches, waiting 1us in between each batch + * to guarantee not to overflow the SRAM fifo + */ + for (wptr = 0, rptr = 0; wptr < rows; ++wptr) { + func(wptr, B_FALSE, &qword); + EFX_BAR_TBL_WRITEQ(enp, FR_AZ_BUF_HALF_TBL, wptr, &qword); + + if ((wptr - rptr) < 64 && wptr < rows - 1) + continue; + + EFSYS_SPIN(1); + + for (; rptr <= wptr; ++rptr) { + func(rptr, B_FALSE, &qword); + EFX_BAR_TBL_READQ(enp, FR_AZ_BUF_HALF_TBL, rptr, + &verify); + + if (!EFX_QWORD_IS_EQUAL(verify, qword)) { + rc = EFAULT; + goto fail1; + } + } + } + + /* And do the same negated */ + for (wptr = 0, rptr = 0; wptr < rows; ++wptr) { + func(wptr, B_TRUE, &qword); + EFX_BAR_TBL_WRITEQ(enp, FR_AZ_BUF_HALF_TBL, wptr, &qword); + + if ((wptr - rptr) < 64 && wptr < rows - 1) + continue; + + EFSYS_SPIN(1); + + for (; rptr <= wptr; ++rptr) { + func(rptr, B_TRUE, &qword); + EFX_BAR_TBL_READQ(enp, FR_AZ_BUF_HALF_TBL, rptr, + &verify); + + if (!EFX_QWORD_IS_EQUAL(verify, qword)) { + rc = EFAULT; + goto fail2; + } + } + } + + /* Restore back to FULL buffer table mode */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_BUF_TBL_MODE, 1); + EFX_BAR_WRITEO(enp, FR_AZ_BUF_TBL_CFG_REG, &oword); + + /* + * We don't need to reconfigure SRAM again because the API + * requires efx_nic_fini() to be called after an sram test. + */ + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + /* Restore back to FULL buffer table mode */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_BUF_TBL_MODE, 1); + EFX_BAR_WRITEO(enp, FR_AZ_BUF_TBL_CFG_REG, &oword); + + return (rc); +} + +#endif /* EFSYS_OPT_DIAG */ + #endif /* EFSYS_OPT_SIENA */