New upstream version 18.11-rc1
[deb_dpdk.git] / drivers / net / sfc / base / siena_nic.c
index fcc8f15..fca1717 100644 (file)
@@ -1,31 +1,7 @@
-/*
- * Copyright (c) 2009-2016 Solarflare Communications Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- * The views and conclusions contained in the software and documentation are
- * those of the authors and should not be interpreted as representing official
- * policies, either expressed or implied, of the FreeBSD Project.
+ * Copyright (c) 2009-2018 Solarflare Communications Inc.
+ * All rights reserved.
  */
 
 #include "efx.h"
@@ -42,11 +18,10 @@ siena_nic_get_partn_mask(
        __out                   unsigned int *maskp)
 {
        efx_mcdi_req_t req;
-       uint8_t payload[MAX(MC_CMD_NVRAM_TYPES_IN_LEN,
-                           MC_CMD_NVRAM_TYPES_OUT_LEN)];
+       EFX_MCDI_DECLARE_BUF(payload, MC_CMD_NVRAM_TYPES_IN_LEN,
+               MC_CMD_NVRAM_TYPES_OUT_LEN);
        efx_rc_t rc;
 
-       (void) memset(payload, 0, sizeof (payload));
        req.emr_cmd = MC_CMD_NVRAM_TYPES;
        req.emr_in_buf = payload;
        req.emr_in_length = MC_CMD_NVRAM_TYPES_IN_LEN;
@@ -90,6 +65,10 @@ siena_board_cfg(
        uint32_t nevq, nrxq, ntxq;
        efx_rc_t rc;
 
+       /* Siena has a fixed 8Kbyte VI window size */
+       EFX_STATIC_ASSERT(1U << EFX_VI_WINDOW_SHIFT_8K  == 8192);
+       encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_8K;
+
        /* External port identifier using one-based port numbering */
        encp->enc_external_port = (uint8_t)enp->en_mcdi.em_emip.emi_port;
 
@@ -135,9 +114,23 @@ siena_board_cfg(
        /* Alignment for WPTR updates */
        encp->enc_rx_push_align = 1;
 
+#if EFSYS_OPT_RX_SCALE
        /* There is one RSS context per function */
        encp->enc_rx_scale_max_exclusive_contexts = 1;
 
+       encp->enc_rx_scale_hash_alg_mask |= (1U << EFX_RX_HASHALG_LFSR);
+       encp->enc_rx_scale_hash_alg_mask |= (1U << EFX_RX_HASHALG_TOEPLITZ);
+
+       /*
+        * It is always possible to use port numbers
+        * as the input data for hash computation.
+        */
+       encp->enc_rx_scale_l4_hash_supported = B_TRUE;
+
+       /* There is no support for additional RSS modes */
+       encp->enc_rx_scale_additional_modes_supported = B_FALSE;
+#endif /* EFSYS_OPT_RX_SCALE */
+
        encp->enc_tx_dma_desc_size_max = EFX_MASK32(FSF_AZ_TX_KER_BYTE_COUNT);
        /* Fragments must not span 4k boundaries. */
        encp->enc_tx_dma_desc_boundary = 4096;
@@ -169,12 +162,20 @@ siena_board_cfg(
        encp->enc_allow_set_mac_with_installed_filters = B_TRUE;
        encp->enc_rx_packed_stream_supported = B_FALSE;
        encp->enc_rx_var_packed_stream_supported = B_FALSE;
+       encp->enc_rx_es_super_buffer_supported = B_FALSE;
+       encp->enc_fw_subvariant_no_tx_csum_supported = B_FALSE;
 
        /* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */
        encp->enc_required_pcie_bandwidth_mbps = 2 * 10000;
        encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN2;
 
-       encp->enc_fw_verified_nvram_update_required = B_FALSE;
+       encp->enc_nvram_update_verify_result_supported = B_FALSE;
+
+       encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS;
+
+       encp->enc_filter_action_flag_supported = B_FALSE;
+       encp->enc_filter_action_mark_supported = B_FALSE;
+       encp->enc_filter_action_mark_max = 0;
 
        return (0);
 
@@ -190,7 +191,9 @@ static      __checkReturn   efx_rc_t
 siena_phy_cfg(
        __in            efx_nic_t *enp)
 {
+#if EFSYS_OPT_PHY_STATS
        efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+#endif /* EFSYS_OPT_PHY_STATS */
        efx_rc_t rc;
 
        /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */
@@ -211,6 +214,77 @@ fail1:
        return (rc);
 }
 
+#define        SIENA_BIU_MAGIC0        0x01234567
+#define        SIENA_BIU_MAGIC1        0xfedcba98
+
+static __checkReturn   efx_rc_t
+siena_nic_biu_test(
+       __in            efx_nic_t *enp)
+{
+       efx_oword_t oword;
+       efx_rc_t rc;
+
+       /*
+        * Write magic values to scratch registers 0 and 1, then
+        * verify that the values were written correctly.  Interleave
+        * the accesses to ensure that the BIU is not just reading
+        * back the cached value that was last written.
+        */
+       EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC0);
+       EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE);
+
+       EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC1);
+       EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE);
+
+       EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE);
+       if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC0) {
+               rc = EIO;
+               goto fail1;
+       }
+
+       EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE);
+       if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC1) {
+               rc = EIO;
+               goto fail2;
+       }
+
+       /*
+        * Perform the same test, with the values swapped.  This
+        * ensures that subsequent tests don't start with the correct
+        * values already written into the scratch registers.
+        */
+       EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC1);
+       EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE);
+
+       EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC0);
+       EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE);
+
+       EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE);
+       if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC1) {
+               rc = EIO;
+               goto fail3;
+       }
+
+       EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE);
+       if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC0) {
+               rc = EIO;
+               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);
+}
+
        __checkReturn   efx_rc_t
 siena_nic_probe(
        __in            efx_nic_t *enp)
@@ -225,7 +299,7 @@ siena_nic_probe(
        EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA);
 
        /* Test BIU */
-       if ((rc = efx_nic_biu_test(enp)) != 0)
+       if ((rc = siena_nic_biu_test(enp)) != 0)
                goto fail1;
 
        /* Clear the region register */
@@ -455,7 +529,7 @@ siena_nic_unprobe(
 
 #if EFSYS_OPT_DIAG
 
-static efx_register_set_t __siena_registers[] = {
+static siena_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 },
@@ -487,7 +561,7 @@ static const uint32_t __siena_register_masks[] = {
        0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000
 };
 
-static efx_register_set_t __siena_tables[] = {
+static siena_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,
@@ -513,11 +587,145 @@ static const uint32_t __siena_table_masks[] = {
        0xFFFF07FF, 0xFFFFFFFF, 0x0000007F, 0x00000000,
 };
 
+       __checkReturn   efx_rc_t
+siena_nic_test_registers(
+       __in            efx_nic_t *enp,
+       __in            siena_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, &reg,
+                                   B_TRUE);
+                       EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf,
+                                   B_TRUE);
+
+                       EFX_AND_OWORD(buf, rsp->mask);
+                       if (memcmp(&reg, &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, &reg,
+                                   B_TRUE);
+                       EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf,
+                                   B_TRUE);
+
+                       EFX_AND_OWORD(buf, rsp->mask);
+                       if (memcmp(&reg, &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
+siena_nic_test_tables(
+       __in            efx_nic_t *enp,
+       __in            siena_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, &reg.eo_qword[0]);
+                       func(2 * index + 1, B_FALSE, &reg.eo_qword[1]);
+                       EFX_AND_OWORD(reg, rsp->mask);
+                       EFSYS_BAR_WRITEO(enp->en_esbp, address, &reg, B_TRUE);
+
+                       address += rsp->step;
+               }
+
+               /* Read */
+               address = rsp->address;
+               for (index = 0; index < rsp->rows; ++index) {
+                       func(2 * index + 0, B_FALSE, &reg.eo_qword[0]);
+                       func(2 * index + 1, B_FALSE, &reg.eo_qword[1]);
+                       EFX_AND_OWORD(reg, rsp->mask);
+                       EFSYS_BAR_READO(enp->en_esbp, address, &buf, B_TRUE);
+                       if (memcmp(&reg, &buf, sizeof (reg))) {
+                               rc = EIO;
+                               goto fail1;
+                       }
+
+                       address += rsp->step;
+               }
+
+               ++rsp;
+               --count;
+       }
+
+       return (0);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+
        __checkReturn   efx_rc_t
 siena_nic_register_test(
        __in            efx_nic_t *enp)
 {
-       efx_register_set_t *rsp;
+       siena_register_set_t *rsp;
        const uint32_t *dwordp;
        unsigned int nitems;
        unsigned int count;
@@ -551,21 +759,21 @@ siena_nic_register_test(
                rsp->mask.eo_u32[3] = *dwordp++;
        }
 
-       if ((rc = efx_nic_test_registers(enp, __siena_registers,
+       if ((rc = siena_nic_test_registers(enp, __siena_registers,
            EFX_ARRAY_SIZE(__siena_registers))) != 0)
                goto fail1;
 
-       if ((rc = efx_nic_test_tables(enp, __siena_tables,
+       if ((rc = siena_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,
+       if ((rc = siena_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,
+       if ((rc = siena_nic_test_tables(enp, __siena_tables,
            EFX_PATTERN_BIT_SWEEP, EFX_ARRAY_SIZE(__siena_tables))) != 0)
                goto fail4;