EFSYS_OPT_DIAG should be enabled to use it.
From Solarflare Communications Inc.
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
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);
(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 */
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);
/* 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,
# 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# error "FALCON_NIC_CFG_OVERRIDE is obsolete and is not supported."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
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;
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
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 */
};
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 */
};
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 */
};
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,
}
+#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 */
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);
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
(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 */
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 */
git.droids-corp.org / dpdk.git / commitdiff