[dpdk-dev] [PATCH 23/30] net/sfc: make main logging macro reusable in secondary

[Andrew Rybchenko <arybchenko@solarflare.com>]

Logging should be supported in secondary process and now we have
everything required to share at least main logging macro.
sfc_adapter is going to become primary process only.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/sfc_ethdev.c | 14 ++++----------
 drivers/net/sfc/sfc_log.h    | 28 ++++++++++++++--------------
 2 files changed, 18 insertions(+), 24 deletions(-)

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 9f0036375..e30217cf1 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1922,12 +1922,6 @@ static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
 static int
 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
 {
-	/*
-	 * Device private data has really many process-local pointers.
-	 * Below code should be extremely careful to use data located
-	 * in shared memory only.
-	 */
-	struct sfc_adapter *sa = dev->data->dev_private;
 	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
 	struct sfc_adapter_priv *sap;
 	const struct sfc_dp_rx *dp_rx;
@@ -1948,13 +1942,13 @@ sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
 
 	dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
 	if (dp_rx == NULL) {
-		SFC_LOG(sa, RTE_LOG_ERR, logtype_main,
+		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
 			"cannot find %s Rx datapath", sas->dp_rx_name);
 		rc = ENOENT;
 		goto fail_dp_rx;
 	}
 	if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
-		SFC_LOG(sa, RTE_LOG_ERR, logtype_main,
+		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
 			"%s Rx datapath does not support multi-process",
 			sas->dp_rx_name);
 		rc = EINVAL;
@@ -1963,13 +1957,13 @@ sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
 
 	dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
 	if (dp_tx == NULL) {
-		SFC_LOG(sa, RTE_LOG_ERR, logtype_main,
+		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
 			"cannot find %s Tx datapath", sas->dp_tx_name);
 		rc = ENOENT;
 		goto fail_dp_tx;
 	}
 	if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
-		SFC_LOG(sa, RTE_LOG_ERR, logtype_main,
+		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
 			"%s Tx datapath does not support multi-process",
 			sas->dp_tx_name);
 		rc = EINVAL;
diff --git a/drivers/net/sfc/sfc_log.h b/drivers/net/sfc/sfc_log.h
index 97de9ae53..62c4f4dd1 100644
--- a/drivers/net/sfc/sfc_log.h
+++ b/drivers/net/sfc/sfc_log.h
@@ -32,11 +32,10 @@ extern uint32_t sfc_logtype_driver;
 #define SFC_LOG_LEVEL_MCDI	RTE_LOG_INFO
 
 /* Log PMD message, automatically add prefix and \n */
-#define SFC_LOG(sa, level, type, ...) \
+#define SFC_LOG(sas, level, type, ...) \
 	do {								\
-		const struct sfc_adapter_shared *_sas;			\
+		const struct sfc_adapter_shared *_sas = (sas);		\
 									\
-		_sas = (sa)->priv.shared;				\
 		rte_log(level, type,					\
 			RTE_FMT("PMD: sfc_efx "				\
 				PCI_PRI_FMT " #%" PRIu16		\
@@ -53,39 +52,40 @@ extern uint32_t sfc_logtype_driver;
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, RTE_LOG_ERR, _sa->priv.logtype_main,	\
-			__VA_ARGS__);					\
+		SFC_LOG(_sa->priv.shared, RTE_LOG_ERR,			\
+			_sa->priv.logtype_main, __VA_ARGS__);		\
 	} while (0)
 
 #define sfc_warn(sa, ...) \
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, RTE_LOG_WARNING, _sa->priv.logtype_main,	\
-			__VA_ARGS__);					\
+		SFC_LOG(_sa->priv.shared, RTE_LOG_WARNING,		\
+			_sa->priv.logtype_main, __VA_ARGS__);		\
 	} while (0)
 
 #define sfc_notice(sa, ...) \
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, RTE_LOG_NOTICE, _sa->priv.logtype_main,	\
-			__VA_ARGS__);					\
+		SFC_LOG(_sa->priv.shared, RTE_LOG_NOTICE,		\
+			_sa->priv.logtype_main, __VA_ARGS__);		\
 	} while (0)
 
 #define sfc_info(sa, ...) \
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, RTE_LOG_INFO, _sa->priv.logtype_main,	\
-			__VA_ARGS__);					\
+		SFC_LOG(_sa->priv.shared, RTE_LOG_INFO,			\
+			_sa->priv.logtype_main, __VA_ARGS__);		\
 	} while (0)
 
 #define sfc_log_init(sa, ...) \
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, RTE_LOG_INFO, _sa->priv.logtype_main,	\
+		SFC_LOG(_sa->priv.shared, RTE_LOG_INFO,			\
+			_sa->priv.logtype_main,				\
 			RTE_FMT("%s(): "				\
 				RTE_FMT_HEAD(__VA_ARGS__ ,),		\
 				__func__,				\
@@ -96,8 +96,8 @@ extern uint32_t sfc_logtype_driver;
 	do {								\
 		const struct sfc_adapter *_sa = (sa);			\
 									\
-		SFC_LOG(_sa, SFC_LOG_LEVEL_MCDI, _sa->mcdi.logtype,	\
-			__VA_ARGS__);					\
+		SFC_LOG(_sa->priv.shared, SFC_LOG_LEVEL_MCDI,		\
+			_sa->mcdi.logtype, __VA_ARGS__);		\
 	} while (0)
 
 
-- 
2.17.1