/*
* 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);
}
/*
* 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);
}