int
sfxge_intr_init(struct sfxge_softc *sc)
{
device_t dev;
struct sfxge_intr *intr;
efsys_mem_t *esmp;
int rc;
dev = sc->dev;
intr = &sc->intr;
esmp = &intr->status;
KASSERT(intr->state == SFXGE_INTR_UNINITIALIZED,
("Interrupts already initialized"));
/* Try to setup MSI-X or MSI interrupts if available. */
if ((rc = sfxge_intr_setup_msix(sc)) == 0)
device_printf(dev, "Using MSI-X interrupts\n");
else if ((rc = sfxge_intr_setup_msi(sc)) == 0)
device_printf(dev, "Using MSI interrupts\n");
else if ((rc = sfxge_intr_setup_fixed(sc)) == 0) {
device_printf(dev, "Using fixed interrupts\n");
} else {
device_printf(dev, "Couldn't setup interrupts\n");
return (ENOMEM);
}
/* Set up DMA for interrupts. */
if ((rc = sfxge_dma_alloc(sc, EFX_INTR_SIZE, esmp)) != 0)
return (ENOMEM);
intr->state = SFXGE_INTR_INITIALIZED;
return (0);
}
static int
sfxge_ev_qinit(struct sfxge_softc *sc, unsigned int index)
{
struct sfxge_evq *evq;
efsys_mem_t *esmp;
int rc;
KASSERT(index < SFXGE_RX_SCALE_MAX, ("index >= SFXGE_RX_SCALE_MAX"));
evq = malloc(sizeof(struct sfxge_evq), M_SFXGE, M_ZERO | M_WAITOK);
evq->sc = sc;
evq->index = index;
sc->evq[index] = evq;
esmp = &evq->mem;
/* Initialise TX completion list */
evq->txqs = &evq->txq;
/* Allocate DMA space. */
if ((rc = sfxge_dma_alloc(sc, EFX_EVQ_SIZE(SFXGE_NEVS), esmp)) != 0)
return (rc);
/* Allocate buffer table entries. */
sfxge_sram_buf_tbl_alloc(sc, EFX_EVQ_NBUFS(SFXGE_NEVS),
&evq->buf_base_id);
mtx_init(&evq->lock, "evq", NULL, MTX_DEF);
evq->init_state = SFXGE_EVQ_INITIALIZED;
return (0);
}
int
sfxge_mcdi_init(struct sfxge_softc *sc)
{
efx_nic_t *enp;
struct sfxge_mcdi *mcdi;
efx_mcdi_transport_t *emtp;
efsys_mem_t *esmp;
int max_msg_size;
int rc;
enp = sc->enp;
mcdi = &sc->mcdi;
emtp = &mcdi->transport;
esmp = &mcdi->mem;
max_msg_size = sizeof (uint32_t) + MCDI_CTL_SDU_LEN_MAX_V2;
KASSERT(mcdi->state == SFXGE_MCDI_UNINITIALIZED,
("MCDI already initialized"));
SFXGE_MCDI_LOCK_INIT(mcdi, device_get_nameunit(sc->dev));
mcdi->state = SFXGE_MCDI_INITIALIZED;
if ((rc = sfxge_dma_alloc(sc, max_msg_size, esmp)) != 0)
goto fail;
emtp->emt_context = sc;
emtp->emt_dma_mem = esmp;
emtp->emt_execute = sfxge_mcdi_execute;
emtp->emt_ev_cpl = sfxge_mcdi_ev_cpl;
emtp->emt_exception = sfxge_mcdi_exception;
#if EFSYS_OPT_MCDI_LOGGING
emtp->emt_logger = sfxge_mcdi_logger;
SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)),
OID_AUTO, "mcdi_logging", CTLFLAG_RW,
&sc->mcdi_logging, 0,
"MCDI logging");
#endif
if ((rc = efx_mcdi_init(enp, emtp)) != 0)
goto fail;
return (0);
fail:
SFXGE_MCDI_LOCK_DESTROY(mcdi);
mcdi->state = SFXGE_MCDI_UNINITIALIZED;
return (rc);
}
static int
sfxge_ev_qinit(struct sfxge_softc *sc, unsigned int index)
{
struct sfxge_evq *evq;
efsys_mem_t *esmp;
int rc;
KASSERT(index < SFXGE_RX_SCALE_MAX, ("index >= SFXGE_RX_SCALE_MAX"));
evq = malloc(sizeof(struct sfxge_evq), M_SFXGE, M_ZERO | M_WAITOK);
evq->sc = sc;
evq->index = index;
sc->evq[index] = evq;
esmp = &evq->mem;
/* Build an event queue with room for one event per tx and rx buffer,
* plus some extra for link state events and MCDI completions.
* There are three tx queues in the first event queue and one in
* other.
*/
if (index == 0)
evq->entries =
ROUNDUP_POW_OF_TWO(sc->rxq_entries +
3 * sc->txq_entries +
128);
else
evq->entries =
ROUNDUP_POW_OF_TWO(sc->rxq_entries +
sc->txq_entries +
128);
/* Initialise TX completion list */
evq->txqs = &evq->txq;
/* Allocate DMA space. */
if ((rc = sfxge_dma_alloc(sc, EFX_EVQ_SIZE(evq->entries), esmp)) != 0)
return (rc);
/* Allocate buffer table entries. */
sfxge_sram_buf_tbl_alloc(sc, EFX_EVQ_NBUFS(evq->entries),
&evq->buf_base_id);
SFXGE_EVQ_LOCK_INIT(evq, device_get_nameunit(sc->dev), index);
evq->init_state = SFXGE_EVQ_INITIALIZED;
return (0);
}
