[dpdk-dev] [PATCH 04/14] net/sfc: move MCDI helper interface to dedicated namespace
Andrew Rybchenko
arybchenko at solarflare.com
Tue Sep 8 11:14:25 CEST 2020
MCDI helpers will be moved to common/sfc_efx and it is better
to do dummy renamings first before non-trivial changes.
Existing functionality should be split into common and network
driver specific parts. Prepare to do it.
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Reviewed-by: Andy Moreton <amoreton at xilinx.com>
---
drivers/net/sfc/sfc.h | 5 +-
drivers/net/sfc/sfc_mcdi.c | 108 +++++++++++++++++++++----------------
drivers/net/sfc/sfc_mcdi.h | 22 +++-----
3 files changed, 73 insertions(+), 62 deletions(-)
diff --git a/drivers/net/sfc/sfc.h b/drivers/net/sfc/sfc.h
index a530b12a8e..b3ac752334 100644
--- a/drivers/net/sfc/sfc.h
+++ b/drivers/net/sfc/sfc.h
@@ -220,7 +220,7 @@ struct sfc_adapter {
rte_spinlock_t nic_lock;
rte_atomic32_t restart_required;
- struct sfc_mcdi mcdi;
+ struct sfc_efx_mcdi mcdi;
struct sfc_intr intr;
struct sfc_port port;
struct sfc_filter filter;
@@ -366,6 +366,9 @@ void sfc_stop(struct sfc_adapter *sa);
void sfc_schedule_restart(struct sfc_adapter *sa);
+int sfc_mcdi_init(struct sfc_adapter *sa);
+void sfc_mcdi_fini(struct sfc_adapter *sa);
+
int sfc_configure(struct sfc_adapter *sa);
void sfc_close(struct sfc_adapter *sa);
diff --git a/drivers/net/sfc/sfc_mcdi.c b/drivers/net/sfc/sfc_mcdi.c
index 9a51b3e030..c97a33d558 100644
--- a/drivers/net/sfc/sfc_mcdi.c
+++ b/drivers/net/sfc/sfc_mcdi.c
@@ -19,12 +19,12 @@
#include "sfc_log.h"
#include "sfc_ev.h"
-#define SFC_MCDI_POLL_INTERVAL_MIN_US 10 /* 10us in 1us units */
-#define SFC_MCDI_POLL_INTERVAL_MAX_US (US_PER_S / 10) /* 100ms in 1us units */
-#define SFC_MCDI_WATCHDOG_INTERVAL_US (10 * US_PER_S) /* 10s in 1us units */
+#define SFC_EFX_MCDI_POLL_INTERVAL_MIN_US 10 /* 10us */
+#define SFC_EFX_MCDI_POLL_INTERVAL_MAX_US (US_PER_S / 10) /* 100ms */
+#define SFC_EFX_MCDI_WATCHDOG_INTERVAL_US (10 * US_PER_S) /* 10s */
static void
-sfc_mcdi_timeout(struct sfc_adapter *sa)
+sfc_efx_mcdi_timeout(struct sfc_adapter *sa)
{
sfc_warn(sa, "MC TIMEOUT");
@@ -32,9 +32,9 @@ sfc_mcdi_timeout(struct sfc_adapter *sa)
}
static inline boolean_t
-sfc_mcdi_proxy_event_available(struct sfc_adapter *sa)
+sfc_efx_mcdi_proxy_event_available(struct sfc_adapter *sa)
{
- struct sfc_mcdi *mcdi = &sa->mcdi;
+ struct sfc_efx_mcdi *mcdi = &sa->mcdi;
mcdi->proxy_handle = 0;
mcdi->proxy_result = ETIMEDOUT;
@@ -46,7 +46,7 @@ sfc_mcdi_proxy_event_available(struct sfc_adapter *sa)
}
static void
-sfc_mcdi_poll(struct sfc_adapter *sa, boolean_t proxy)
+sfc_efx_mcdi_poll(struct sfc_adapter *sa, boolean_t proxy)
{
efx_nic_t *enp;
unsigned int delay_total;
@@ -54,22 +54,22 @@ sfc_mcdi_poll(struct sfc_adapter *sa, boolean_t proxy)
boolean_t aborted __rte_unused;
delay_total = 0;
- delay_us = SFC_MCDI_POLL_INTERVAL_MIN_US;
+ delay_us = SFC_EFX_MCDI_POLL_INTERVAL_MIN_US;
enp = sa->nic;
do {
boolean_t poll_completed;
- poll_completed = (proxy) ? sfc_mcdi_proxy_event_available(sa) :
+ poll_completed = (proxy) ? sfc_efx_mcdi_proxy_event_available(sa) :
efx_mcdi_request_poll(enp);
if (poll_completed)
return;
- if (delay_total > SFC_MCDI_WATCHDOG_INTERVAL_US) {
+ if (delay_total > SFC_EFX_MCDI_WATCHDOG_INTERVAL_US) {
if (!proxy) {
aborted = efx_mcdi_request_abort(enp);
SFC_ASSERT(aborted);
- sfc_mcdi_timeout(sa);
+ sfc_efx_mcdi_timeout(sa);
}
return;
@@ -80,27 +80,28 @@ sfc_mcdi_poll(struct sfc_adapter *sa, boolean_t proxy)
delay_total += delay_us;
/* Exponentially back off the poll frequency */
- RTE_BUILD_BUG_ON(SFC_MCDI_POLL_INTERVAL_MAX_US > UINT_MAX / 2);
+ RTE_BUILD_BUG_ON(SFC_EFX_MCDI_POLL_INTERVAL_MAX_US >
+ UINT_MAX / 2);
delay_us *= 2;
- if (delay_us > SFC_MCDI_POLL_INTERVAL_MAX_US)
- delay_us = SFC_MCDI_POLL_INTERVAL_MAX_US;
+ if (delay_us > SFC_EFX_MCDI_POLL_INTERVAL_MAX_US)
+ delay_us = SFC_EFX_MCDI_POLL_INTERVAL_MAX_US;
} while (1);
}
static void
-sfc_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
+sfc_efx_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
{
struct sfc_adapter *sa = (struct sfc_adapter *)arg;
- struct sfc_mcdi *mcdi = &sa->mcdi;
+ struct sfc_efx_mcdi *mcdi = &sa->mcdi;
uint32_t proxy_handle;
rte_spinlock_lock(&mcdi->lock);
- SFC_ASSERT(mcdi->state == SFC_MCDI_INITIALIZED);
+ SFC_ASSERT(mcdi->state == SFC_EFX_MCDI_INITIALIZED);
efx_mcdi_request_start(sa->nic, emrp, B_FALSE);
- sfc_mcdi_poll(sa, B_FALSE);
+ sfc_efx_mcdi_poll(sa, B_FALSE);
if (efx_mcdi_get_proxy_handle(sa->nic, emrp, &proxy_handle) == 0) {
/*
@@ -109,7 +110,7 @@ sfc_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
* a non-zero proxy handle (should be the same as
* the value obtained above) and operation status
*/
- sfc_mcdi_poll(sa, B_TRUE);
+ sfc_efx_mcdi_poll(sa, B_TRUE);
if ((mcdi->proxy_handle != 0) &&
(mcdi->proxy_handle != proxy_handle)) {
@@ -121,7 +122,7 @@ sfc_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
* request and poll for an ordinary MCDI response
*/
efx_mcdi_request_start(sa->nic, emrp, B_FALSE);
- sfc_mcdi_poll(sa, B_FALSE);
+ sfc_efx_mcdi_poll(sa, B_FALSE);
} else {
emrp->emr_rc = mcdi->proxy_result;
sfc_err(sa, "MCDI proxy authorization failed "
@@ -134,20 +135,20 @@ sfc_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
}
static void
-sfc_mcdi_ev_cpl(void *arg)
+sfc_efx_mcdi_ev_cpl(void *arg)
{
struct sfc_adapter *sa = (struct sfc_adapter *)arg;
- struct sfc_mcdi *mcdi __rte_unused;
+ struct sfc_efx_mcdi *mcdi __rte_unused;
mcdi = &sa->mcdi;
- SFC_ASSERT(mcdi->state == SFC_MCDI_INITIALIZED);
+ SFC_ASSERT(mcdi->state == SFC_EFX_MCDI_INITIALIZED);
/* MCDI is polled, completions are not expected */
SFC_ASSERT(0);
}
static void
-sfc_mcdi_exception(void *arg, efx_mcdi_exception_t eme)
+sfc_efx_mcdi_exception(void *arg, efx_mcdi_exception_t eme)
{
struct sfc_adapter *sa = (struct sfc_adapter *)arg;
@@ -161,7 +162,7 @@ sfc_mcdi_exception(void *arg, efx_mcdi_exception_t eme)
#define SFC_MCDI_LOG_BUF_SIZE 128
static size_t
-sfc_mcdi_do_log(const struct sfc_adapter *sa,
+sfc_efx_mcdi_do_log(const struct sfc_adapter *sa,
char *buffer, void *data, size_t data_size,
size_t pfxsize, size_t position)
{
@@ -190,7 +191,7 @@ sfc_mcdi_do_log(const struct sfc_adapter *sa,
}
static void
-sfc_mcdi_logger(void *arg, efx_log_msg_t type,
+sfc_efx_mcdi_logger(void *arg, efx_log_msg_t type,
void *header, size_t header_size,
void *data, size_t data_size)
{
@@ -215,9 +216,10 @@ sfc_mcdi_logger(void *arg, efx_log_msg_t type,
pfxsize = snprintf(buffer, sizeof(buffer), "MCDI RPC %s:",
type == EFX_LOG_MCDI_REQUEST ? "REQ" :
type == EFX_LOG_MCDI_RESPONSE ? "RESP" : "???");
- start = sfc_mcdi_do_log(sa, buffer, header, header_size,
- pfxsize, pfxsize);
- start = sfc_mcdi_do_log(sa, buffer, data, data_size, pfxsize, start);
+ start = sfc_efx_mcdi_do_log(sa, buffer, header, header_size,
+ pfxsize, pfxsize);
+ start = sfc_efx_mcdi_do_log(sa, buffer, data, data_size,
+ pfxsize, start);
if (start != pfxsize) {
buffer[start] = '\0';
sfc_log_mcdi(sa, "%s", buffer);
@@ -225,19 +227,19 @@ sfc_mcdi_logger(void *arg, efx_log_msg_t type,
}
static void
-sfc_mcdi_ev_proxy_response(void *arg, uint32_t handle, efx_rc_t result)
+sfc_efx_mcdi_ev_proxy_response(void *arg, uint32_t handle, efx_rc_t result)
{
struct sfc_adapter *sa = (struct sfc_adapter *)arg;
- struct sfc_mcdi *mcdi = &sa->mcdi;
+ struct sfc_efx_mcdi *mcdi = &sa->mcdi;
mcdi->proxy_handle = handle;
mcdi->proxy_result = result;
}
-int
-sfc_mcdi_init(struct sfc_adapter *sa)
+static int
+sfc_efx_mcdi_init(struct sfc_adapter *sa)
{
- struct sfc_mcdi *mcdi;
+ struct sfc_efx_mcdi *mcdi;
size_t max_msg_size;
efx_mcdi_transport_t *emtp;
int rc;
@@ -246,11 +248,11 @@ sfc_mcdi_init(struct sfc_adapter *sa)
mcdi = &sa->mcdi;
- SFC_ASSERT(mcdi->state == SFC_MCDI_UNINITIALIZED);
+ SFC_ASSERT(mcdi->state == SFC_EFX_MCDI_UNINITIALIZED);
rte_spinlock_init(&mcdi->lock);
- mcdi->state = SFC_MCDI_INITIALIZED;
+ mcdi->state = SFC_EFX_MCDI_INITIALIZED;
max_msg_size = sizeof(uint32_t) + MCDI_CTL_SDU_LEN_MAX_V2;
rc = sfc_dma_alloc(sa, "mcdi", 0, max_msg_size, sa->socket_id,
@@ -265,11 +267,11 @@ sfc_mcdi_init(struct sfc_adapter *sa)
emtp = &mcdi->transport;
emtp->emt_context = sa;
emtp->emt_dma_mem = &mcdi->mem;
- emtp->emt_execute = sfc_mcdi_execute;
- emtp->emt_ev_cpl = sfc_mcdi_ev_cpl;
- emtp->emt_exception = sfc_mcdi_exception;
- emtp->emt_logger = sfc_mcdi_logger;
- emtp->emt_ev_proxy_response = sfc_mcdi_ev_proxy_response;
+ emtp->emt_execute = sfc_efx_mcdi_execute;
+ emtp->emt_ev_cpl = sfc_efx_mcdi_ev_cpl;
+ emtp->emt_exception = sfc_efx_mcdi_exception;
+ emtp->emt_logger = sfc_efx_mcdi_logger;
+ emtp->emt_ev_proxy_response = sfc_efx_mcdi_ev_proxy_response;
sfc_log_init(sa, "init MCDI");
rc = efx_mcdi_init(sa->nic, emtp);
@@ -283,14 +285,14 @@ sfc_mcdi_init(struct sfc_adapter *sa)
sfc_dma_free(sa, &mcdi->mem);
fail_dma_alloc:
- mcdi->state = SFC_MCDI_UNINITIALIZED;
+ mcdi->state = SFC_EFX_MCDI_UNINITIALIZED;
return rc;
}
-void
-sfc_mcdi_fini(struct sfc_adapter *sa)
+static void
+sfc_efx_mcdi_fini(struct sfc_adapter *sa)
{
- struct sfc_mcdi *mcdi;
+ struct sfc_efx_mcdi *mcdi;
efx_mcdi_transport_t *emtp;
sfc_log_init(sa, "entry");
@@ -300,8 +302,8 @@ sfc_mcdi_fini(struct sfc_adapter *sa)
rte_spinlock_lock(&mcdi->lock);
- SFC_ASSERT(mcdi->state == SFC_MCDI_INITIALIZED);
- mcdi->state = SFC_MCDI_UNINITIALIZED;
+ SFC_ASSERT(mcdi->state == SFC_EFX_MCDI_INITIALIZED);
+ mcdi->state = SFC_EFX_MCDI_UNINITIALIZED;
sfc_log_init(sa, "fini MCDI");
efx_mcdi_fini(sa->nic);
@@ -311,3 +313,15 @@ sfc_mcdi_fini(struct sfc_adapter *sa)
sfc_dma_free(sa, &mcdi->mem);
}
+
+int
+sfc_mcdi_init(struct sfc_adapter *sa)
+{
+ return sfc_efx_mcdi_init(sa);
+}
+
+void
+sfc_mcdi_fini(struct sfc_adapter *sa)
+{
+ sfc_efx_mcdi_fini(sa);
+}
diff --git a/drivers/net/sfc/sfc_mcdi.h b/drivers/net/sfc/sfc_mcdi.h
index 789a16d8bb..10f5bab666 100644
--- a/drivers/net/sfc/sfc_mcdi.h
+++ b/drivers/net/sfc/sfc_mcdi.h
@@ -22,31 +22,25 @@
extern "C" {
#endif
-enum sfc_mcdi_state {
- SFC_MCDI_UNINITIALIZED = 0,
- SFC_MCDI_INITIALIZED,
- SFC_MCDI_BUSY,
- SFC_MCDI_COMPLETED,
+enum sfc_efx_mcdi_state {
+ SFC_EFX_MCDI_UNINITIALIZED = 0,
+ SFC_EFX_MCDI_INITIALIZED,
+ SFC_EFX_MCDI_BUSY,
+ SFC_EFX_MCDI_COMPLETED,
- SFC_MCDI_NSTATES
+ SFC_EFX_MCDI_NSTATES
};
-struct sfc_mcdi {
+struct sfc_efx_mcdi {
rte_spinlock_t lock;
efsys_mem_t mem;
- enum sfc_mcdi_state state;
+ enum sfc_efx_mcdi_state state;
efx_mcdi_transport_t transport;
uint32_t logtype;
uint32_t proxy_handle;
efx_rc_t proxy_result;
};
-
-struct sfc_adapter;
-
-int sfc_mcdi_init(struct sfc_adapter *sa);
-void sfc_mcdi_fini(struct sfc_adapter *sa);
-
#ifdef __cplusplus
}
#endif
--
2.17.1
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