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sfc_ef100: NVRAM selftest support code

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We have yet another new scheme for NVRAM, and a corresponding new MCDI.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2020-07-02 17:34:27 +01:00
committed by David S. Miller
parent 39c965f4e6
commit b3007dfd5b
2 changed files with 63 additions and 0 deletions
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62
drivers/net/ethernet/sfc/mcdi.c
View File

@@ -1621,6 +1621,35 @@ int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out)
return rc;
}
/* This function finds types using the new NVRAM_PARTITIONS mcdi. */
static int efx_new_mcdi_nvram_types(struct efx_nic *efx, u32 *number,
u32 *nvram_types)
{
efx_dword_t *outbuf = kzalloc(MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX_MCDI2,
GFP_KERNEL);
size_t outlen;
int rc;
if (!outbuf)
return -ENOMEM;
BUILD_BUG_ON(MC_CMD_NVRAM_PARTITIONS_IN_LEN != 0);
rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_PARTITIONS, NULL, 0,
outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX_MCDI2, &outlen);
if (rc)
goto fail;
*number = MCDI_DWORD(outbuf, NVRAM_PARTITIONS_OUT_NUM_PARTITIONS);
memcpy(nvram_types, MCDI_PTR(outbuf, NVRAM_PARTITIONS_OUT_TYPE_ID),
*number * sizeof(u32));
fail:
kfree(outbuf);
return rc;
}
int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
size_t *size_out, size_t *erase_size_out,
bool *protected_out)
@@ -1674,6 +1703,39 @@ static int efx_mcdi_nvram_test(struct efx_nic *efx, unsigned int type)
}
}
/* This function tests nvram partitions using the new mcdi partition lookup scheme */
int efx_new_mcdi_nvram_test_all(struct efx_nic *efx)
{
u32 *nvram_types = kzalloc(MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX_MCDI2,
GFP_KERNEL);
unsigned int number;
int rc, i;
if (!nvram_types)
return -ENOMEM;
rc = efx_new_mcdi_nvram_types(efx, &number, nvram_types);
if (rc)
goto fail;
/* Require at least one check */
rc = -EAGAIN;
for (i = 0; i < number; i++) {
if (nvram_types[i] == NVRAM_PARTITION_TYPE_PARTITION_MAP ||
nvram_types[i] == NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG)
continue;
rc = efx_mcdi_nvram_test(efx, nvram_types[i]);
if (rc)
goto fail;
}
fail:
kfree(nvram_types);
return rc;
}
int efx_mcdi_nvram_test_all(struct efx_nic *efx)
{
u32 nvram_types;

1
drivers/net/ethernet/sfc/mcdi.h
View File

@@ -345,6 +345,7 @@ int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
size_t *size_out, size_t *erase_size_out,
bool *protected_out);
int efx_new_mcdi_nvram_test_all(struct efx_nic *efx);
int efx_mcdi_nvram_test_all(struct efx_nic *efx);
int efx_mcdi_handle_assertion(struct efx_nic *efx);
void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);