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cxgbe(4): New ioctls to flash bootrom and boot config to the card.

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MFC after:	2 weeks
Sponsored by:	Chelsio Communications
This commit is contained in:
np 2017-07-18 00:50:58 +00:00
parent 0b8b38898f
commit 86e5f603f7
2 changed files with 100 additions and 0 deletions
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11
sys/dev/cxgbe/t4_ioctl.h
View File

@ -57,6 +57,8 @@ enum {
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 */
T4_LOAD_BOOT, /* flash boot rom */
T4_LOAD_BOOTCFG, /* flash bootcfg */
};
struct t4_reg {
@ -78,6 +80,13 @@ struct t4_data {
uint8_t *data;
};
struct t4_bootrom {
uint32_t pf_offset;
uint32_t pfidx_addr;
uint32_t len;
uint8_t *data;
};
struct t4_i2c_data {
uint8_t port_id;
uint8_t dev_addr;
@ -346,4 +355,6 @@ struct t4_tracer {
#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)
#define CHELSIO_T4_LOAD_BOOT _IOW('f', T4_LOAD_BOOT, struct t4_bootrom)
#define CHELSIO_T4_LOAD_BOOTCFG _IOW('f', T4_LOAD_BOOTCFG, struct t4_data)
#endif

89
sys/dev/cxgbe/t4_main.c
View File

@ -571,6 +571,8 @@ static int set_tcb_rpl(struct sge_iq *, const struct rss_header *,
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 load_boot(struct adapter *, struct t4_bootrom *);
static int load_bootcfg(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
@ -8852,6 +8854,87 @@ done:
return (rc);
}
static int
load_boot(struct adapter *sc, struct t4_bootrom *br)
{
int rc;
uint8_t *br_data = NULL;
u_int offset;
if (br->len > 1024 * 1024)
return (EFBIG);
if (br->pf_offset == 0) {
/* pfidx */
if (br->pfidx_addr > 7)
return (EINVAL);
offset = G_OFFSET(t4_read_reg(sc, PF_REG(br->pfidx_addr,
A_PCIE_PF_EXPROM_OFST)));
} else if (br->pf_offset == 1) {
/* offset */
offset = G_OFFSET(br->pfidx_addr);
} else {
return (EINVAL);
}
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldbr");
if (rc)
return (rc);
if (br->len == 0) {
/* clear */
rc = -t4_load_boot(sc, NULL, offset, 0);
goto done;
}
br_data = malloc(br->len, M_CXGBE, M_WAITOK);
if (br_data == NULL) {
rc = ENOMEM;
goto done;
}
rc = copyin(br->data, br_data, br->len);
if (rc == 0)
rc = -t4_load_boot(sc, br_data, offset, br->len);
free(br_data, M_CXGBE);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
load_bootcfg(struct adapter *sc, struct t4_data *bc)
{
int rc;
uint8_t *bc_data = NULL;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
if (rc)
return (rc);
if (bc->len == 0) {
/* clear */
rc = -t4_load_bootcfg(sc, NULL, 0);
goto done;
}
bc_data = malloc(bc->len, M_CXGBE, M_WAITOK);
if (bc_data == NULL) {
rc = ENOMEM;
goto done;
}
rc = copyin(bc->data, bc_data, bc->len);
if (rc == 0)
rc = -t4_load_bootcfg(sc, bc_data, bc->len);
free(bc_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)
@ -9194,6 +9277,12 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
case CHELSIO_T4_LOAD_CFG:
rc = load_cfg(sc, (struct t4_data *)data);
break;
case CHELSIO_T4_LOAD_BOOT:
rc = load_boot(sc, (struct t4_bootrom *)data);
break;
case CHELSIO_T4_LOAD_BOOTCFG:
rc = load_bootcfg(sc, (struct t4_data *)data);
break;
default:
rc = ENOTTY;
}