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

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This commit is contained in:
Navdeep Parhar 2016-10-07 19:02:39 +00:00
parent abdfa0b19c
commit 35b5ef914c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=306821
2 changed files with 38 additions and 0 deletions
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2
sys/dev/cxgbe/t4_ioctl.h
View File

@ -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

36
sys/dev/cxgbe/t4_main.c
View File

@ -549,6 +549,7 @@ static int set_tcb_rpl(struct sge_iq *, const struct rss_header *,
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 @@ load_fw(struct adapter *sc, struct t4_data *fw)
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 cmd, caddr_t data, int fflag,
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;
}