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Date:      Fri, 7 Oct 2016 19:02:39 +0000 (UTC)
From:      Navdeep Parhar <np@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r306821 - head/sys/dev/cxgbe
Message-ID:  <201610071902.u97J2dqW070653@repo.freebsd.org>
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Author: np
Date: Fri Oct  7 19:02:39 2016
New Revision: 306821
URL: https://svnweb.freebsd.org/changeset/base/306821

Log:
  cxgbe(4): Add an ioctl to copy a firmware config file to the card's flash.

Modified:
  head/sys/dev/cxgbe/t4_ioctl.h
  head/sys/dev/cxgbe/t4_main.c

Modified: head/sys/dev/cxgbe/t4_ioctl.h
==============================================================================
--- head/sys/dev/cxgbe/t4_ioctl.h	Fri Oct  7 19:02:13 2016	(r306820)
+++ head/sys/dev/cxgbe/t4_ioctl.h	Fri Oct  7 19:02:39 2016	(r306821)
@@ -56,6 +56,7 @@ enum {
 	T4_SET_SCHED_QUEUE,             /* set queue class */
 	T4_GET_TRACER,			/* get information about a tracer */
 	T4_SET_TRACER,			/* program a tracer */
+	T4_LOAD_CFG,			/* copy a config file to card's flash */
 };
 
 struct t4_reg {
@@ -344,4 +345,5 @@ struct t4_tracer {
     struct t4_sched_queue)
 #define CHELSIO_T4_GET_TRACER	_IOWR('f', T4_GET_TRACER, struct t4_tracer)
 #define CHELSIO_T4_SET_TRACER	_IOW('f', T4_SET_TRACER, struct t4_tracer)
+#define CHELSIO_T4_LOAD_CFG	_IOW('f', T4_LOAD_CFG, struct t4_data)
 #endif

Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c	Fri Oct  7 19:02:13 2016	(r306820)
+++ head/sys/dev/cxgbe/t4_main.c	Fri Oct  7 19:02:39 2016	(r306821)
@@ -549,6 +549,7 @@ static int set_tcb_rpl(struct sge_iq *, 
     struct mbuf *);
 static int get_sge_context(struct adapter *, struct t4_sge_context *);
 static int load_fw(struct adapter *, struct t4_data *);
+static int load_cfg(struct adapter *, struct t4_data *);
 static int read_card_mem(struct adapter *, int, struct t4_mem_range *);
 static int read_i2c(struct adapter *, struct t4_i2c_data *);
 #ifdef TCP_OFFLOAD
@@ -8620,6 +8621,38 @@ done:
 	return (rc);
 }
 
+static int
+load_cfg(struct adapter *sc, struct t4_data *cfg)
+{
+	int rc;
+	uint8_t *cfg_data = NULL;
+
+	rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
+	if (rc)
+		return (rc);
+
+	if (cfg->len == 0) {
+		/* clear */
+		rc = -t4_load_cfg(sc, NULL, 0);
+		goto done;
+	}
+
+	cfg_data = malloc(cfg->len, M_CXGBE, M_WAITOK);
+	if (cfg_data == NULL) {
+		rc = ENOMEM;
+		goto done;
+	}
+
+	rc = copyin(cfg->data, cfg_data, cfg->len);
+	if (rc == 0)
+		rc = -t4_load_cfg(sc, cfg_data, cfg->len);
+
+	free(cfg_data, M_CXGBE);
+done:
+	end_synchronized_op(sc, 0);
+	return (rc);
+}
+
 #define MAX_READ_BUF_SIZE (128 * 1024)
 static int
 read_card_mem(struct adapter *sc, int win, struct t4_mem_range *mr)
@@ -9177,6 +9210,9 @@ t4_ioctl(struct cdev *dev, unsigned long
 	case CHELSIO_T4_SET_TRACER:
 		rc = t4_set_tracer(sc, (struct t4_tracer *)data);
 		break;
+	case CHELSIO_T4_LOAD_CFG:
+		rc = load_cfg(sc, (struct t4_data *)data);
+		break;
 	default:
 		rc = ENOTTY;
 	}

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