Example #1
0
/*
 * Allocate and initialize the shared data structures
 * of a vmxnet3s device.
 */
static int
vmxnet3s_prepare_drivershared(vmxnet3s_softc_t *dp)
{
	vmxnet3s_drvshared_t *ds;
	size_t		allocsz = sizeof (vmxnet3s_drvshared_t);

	if (vmxnet3s_alloc1(dp, &dp->shareddata, allocsz,
	    B_TRUE) != DDI_SUCCESS)
		return (DDI_FAILURE);

	ds = VMXNET3_DS(dp);
	(void) memset(ds, 0, allocsz);

	allocsz = sizeof (vmxnet3s_txqdesc_t) + sizeof (vmxnet3s_rxqdesc_t);
	if (vmxnet3s_alloc128(dp, &dp->qdescs, allocsz,
	    B_TRUE) != DDI_SUCCESS) {
		vmxnet3s_free(&dp->shareddata);
		return (DDI_FAILURE);
	}
	(void) memset(dp->qdescs.buf, 0, allocsz);

	ds->magic = VMXNET3_REV1_MAGIC;

	/* Take care of most of devread */
	ds->devread.misc.drvinfo.version = BUILD_NUMBER_NUMERIC;
	if (sizeof (void *) == 4)
		ds->devread.misc.drvinfo.gos.gosbits = VMXNET3_GOS_BITS_32;
	else if (sizeof (void *) == 8)
		ds->devread.misc.drvinfo.gos.gosbits = VMXNET3_GOS_BITS_64;
	else
		ASSERT(B_FALSE);

	ds->devread.misc.drvinfo.gos.gostype = VMXNET3_GOS_TYPE_SOLARIS;
	ds->devread.misc.drvinfo.gos.gosver = 10;
	ds->devread.misc.drvinfo.vmxnet3srevspt = 1;
	ds->devread.misc.drvinfo.uptverspt = 1;

	ds->devread.misc.uptfeatures = UPT1_F_RXCSUM;
	ds->devread.misc.mtu = dp->cur_mtu;

	/* XXX ds->devread.misc.maxnumrxsg */
	ds->devread.misc.numtxq = 1;
	ds->devread.misc.numrxq = 1;
	ds->devread.misc.queuedescpa = dp->qdescs.bufpa;
	ds->devread.misc.queuedesclen = allocsz;

	/* txq and rxq information is filled in other functions */

	ds->devread.intrconf.automask = (dp->intrmaskmode == VMXNET3_IMM_AUTO);
	ds->devread.intrconf.numintrs = 1;
	/* XXX ds->intr.modlevels */
	ds->devread.intrconf.eventintridx = 0;

	VMXNET3_BAR1_PUT32(dp, VMXNET3_REG_DSAL,
	    VMXNET3_ADDR_LO(dp->shareddata.bufpa));
	VMXNET3_BAR1_PUT32(dp, VMXNET3_REG_DSAH,
	    VMXNET3_ADDR_HI(dp->shareddata.bufpa));

	return (DDI_SUCCESS);
}
Example #2
0
/*
 * Allocate new rxbuf from memory. All its fields are set except
 * for its associated mblk which has to be allocated later.
 */
static vmxnet3s_rxbuf_t *
vmxnet3s_alloc_rxbuf(vmxnet3s_softc_t *dp, boolean_t cansleep)
{
	vmxnet3s_rxbuf_t *rxbuf;
	int		flag = cansleep ? KM_SLEEP : KM_NOSLEEP;

	if ((rxbuf = kmem_zalloc(sizeof (vmxnet3s_rxbuf_t), flag)) == NULL)
		return (NULL);

	if (vmxnet3s_alloc1(dp, &rxbuf->dma, (dp->cur_mtu + 18),
	    cansleep) != DDI_SUCCESS) {
		kmem_free(rxbuf, sizeof (vmxnet3s_rxbuf_t));
		return (NULL);
	}

	rxbuf->freecb.free_func = vmxnet3s_put_rxbuf;
	rxbuf->freecb.free_arg = (caddr_t)rxbuf;
	rxbuf->dp = dp;

	atomic_inc_32(&dp->rxnumbufs);

	return (rxbuf);
}