static int
px_enable_err_intr(px_t *px_p)
{
/* Add FMA Callback handler for failed PIO Loads */
px_fm_cb_enable(px_p);
/* Add Common Block mondo handler */
if (px_cb_add_intr(&px_p->px_cb_fault) != DDI_SUCCESS)
goto cb_bad;
/* Add PEU Block Mondo Handler */
if (px_err_add_intr(&px_p->px_fault) != DDI_SUCCESS)
goto peu_bad;
/* Enable interrupt handler for PCIE Fabric Error Messages */
if (px_pec_msg_add_intr(px_p) != DDI_SUCCESS)
goto msg_bad;
return (DDI_SUCCESS);
msg_bad:
px_err_rem_intr(&px_p->px_fault);
peu_bad:
px_cb_rem_intr(&px_p->px_cb_fault);
cb_bad:
px_fm_cb_disable(px_p);
return (DDI_FAILURE);
}
int
px_pec_attach(px_t *px_p)
{
px_pec_t *pec_p;
int i, len;
int nrange = px_p->px_ranges_length / sizeof (px_ranges_t);
dev_info_t *dip = px_p->px_dip;
px_ranges_t *rangep = px_p->px_ranges_p;
int ret;
/*
* Allocate a state structure for the PEC and cross-link it
* to its per px node state structure.
*/
pec_p = kmem_zalloc(sizeof (px_pec_t), KM_SLEEP);
px_p->px_pec_p = pec_p;
pec_p->pec_px_p = px_p;
len = snprintf(pec_p->pec_nameinst_str,
sizeof (pec_p->pec_nameinst_str),
"%s%d", NAMEINST(dip));
pec_p->pec_nameaddr_str = pec_p->pec_nameinst_str + ++len;
(void) snprintf(pec_p->pec_nameaddr_str,
sizeof (pec_p->pec_nameinst_str) - len,
"%s@%s", NAMEADDR(dip));
/*
* Add interrupt handlers to process correctable/fatal/non fatal
* PCIE messages.
*/
if ((ret = px_pec_msg_add_intr(px_p)) != DDI_SUCCESS) {
px_pec_msg_rem_intr(px_p);
return (ret);
}
/*
* Get this pec's mem32 and mem64 segments to determine whether
* a dma object originates from ths pec. i.e. dev to dev dma
*/
for (i = 0; i < nrange; i++, rangep++) {
uint64_t rng_addr, rng_size, *pfnbp, *pfnlp;
uint32_t rng_type = rangep->child_high & PCI_ADDR_MASK;
switch (rng_type) {
case PCI_ADDR_MEM32:
pfnbp = &pec_p->pec_base32_pfn;
pfnlp = &pec_p->pec_last32_pfn;
break;
case PCI_ADDR_MEM64:
pfnbp = &pec_p->pec_base64_pfn;
pfnlp = &pec_p->pec_last64_pfn;
break;
case PCI_ADDR_CONFIG:
case PCI_ADDR_IO:
default:
continue;
}
rng_addr = (uint64_t)(rangep->parent_high &
px_ranges_phi_mask) << 32;
rng_addr |= (uint64_t)rangep->parent_low;
rng_size = (uint64_t)rangep->size_high << 32;
rng_size |= (uint64_t)rangep->size_low;
*pfnbp = mmu_btop(rng_addr);
*pfnlp = mmu_btop(rng_addr + rng_size);
}
mutex_init(&pec_p->pec_pokefault_mutex, NULL, MUTEX_DRIVER,
(void *)px_p->px_fm_ibc);
return (DDI_SUCCESS);
}