Exemplo n.º 1
0
int
pci_resource_setup_avail(dev_info_t *dip, pci_regspec_t *avail_p, int entries)
{
	int i;

	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_MEM) == NDI_FAILURE)
		return (NDI_FAILURE);
	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_IO) == NDI_FAILURE)
		return (NDI_FAILURE);
	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_PCI_PREFETCH_MEM) == NDI_FAILURE)
		return (NDI_FAILURE);

	/* for each entry in the PCI "available" property */
	for (i = 0; i < entries; i++, avail_p++) {
		if (avail_p->pci_phys_hi == -1u)
			goto err;

		switch (PCI_REG_ADDR_G(avail_p->pci_phys_hi)) {
		case PCI_REG_ADDR_G(PCI_ADDR_MEM32): {
			(void) ndi_ra_free(dip,
				(uint64_t)avail_p->pci_phys_low,
				(uint64_t)avail_p->pci_size_low,
				(avail_p->pci_phys_hi &
					PCI_REG_PF_M) ?
					NDI_RA_TYPE_PCI_PREFETCH_MEM :
					NDI_RA_TYPE_MEM,
				0);
			}
			break;
		case PCI_REG_ADDR_G(PCI_ADDR_IO):
			(void) ndi_ra_free(dip,
				(uint64_t)avail_p->pci_phys_low,
				(uint64_t)avail_p->pci_size_low,
				NDI_RA_TYPE_IO,
				0);
			break;
		default:
			goto err;
		}
	}
#ifdef BUSRA_DEBUG
	if (busra_debug) {
		(void) ra_dump_all(NULL, dip);
	}
#endif
	return (NDI_SUCCESS);

err:
	cmn_err(CE_WARN, "pci_resource_setup_avail: bad entry[%d]=%x\n",
		i, avail_p->pci_phys_hi);
	return (NDI_FAILURE);
}
Exemplo n.º 2
0
int
_init(void)
{
    int err = 0;

    /*
     * Create a resource map for the contigous memory allocated
     * at start-of-day in startup.c
     */
    if (ndi_ra_map_setup(ddi_root_node(), "gptwo-contigousmem")
            == NDI_FAILURE) {
        GPTWO_DEBUG0(1, CE_WARN,
                     "Can not setup resource map - gptwo-contigousmem\n");
        return (1);
    }

    /*
     * Put the allocated memory into the pool.
     */
    (void) ndi_ra_free(ddi_root_node(), (uint64_t)efcode_vaddr,
                       (uint64_t)efcode_size, "gptwo-contigousmem", 0);

    /* register devices with the configurator */
    gptwocfg_register_ops(SAFPTYPE_sPCI, gptwo_configure_pci,
                          gptwo_unconfigure_pci);
    gptwocfg_register_ops(SAFPTYPE_cPCI, gptwo_configure_pci,
                          gptwo_unconfigure_pci);
    gptwocfg_register_ops(SAFPTYPE_PCIX, gptwo_configure_pci,
                          gptwo_unconfigure_pci);

    if ((err = mod_install(&modlinkage)) != 0) {
        GPTWO_DEBUG1(1, CE_WARN, "gptwo_pci (PCI Functions) "
                     "failed to load, error=%d\n", err);
        gptwocfg_unregister_ops(SAFPTYPE_sPCI);
        gptwocfg_unregister_ops(SAFPTYPE_cPCI);
        gptwocfg_unregister_ops(SAFPTYPE_PCIX);
    } else {
        GPTWO_DEBUG0(1, CE_WARN, "gptwo_pci (PCI Functions) "
                     "has been loaded.\n");
    }
    return (err);
}
Exemplo n.º 3
0
/*
 * Setup resource map for the pci bus node based on the "available"
 * property and "bus-range" property.
 */
int
pci_resource_setup(dev_info_t *dip)
{
	pci_regspec_t *regs;
	int rlen, rcount, i;
	char bus_type[16] = "(unknown)";
	int len;
	struct busnum_ctrl ctrl;
	int circular_count;
	int rval = NDI_SUCCESS;

	/*
	 * If this is a pci bus node then look for "available" property
	 * to find the available resources on this bus.
	 */
	len = sizeof (bus_type);
	if (ddi_prop_op(DDI_DEV_T_ANY, dip, PROP_LEN_AND_VAL_BUF,
	    DDI_PROP_CANSLEEP | DDI_PROP_DONTPASS, "device_type",
	    (caddr_t)&bus_type, &len) != DDI_SUCCESS)
		return (NDI_FAILURE);

	/* it is not a pci/pci-ex bus type */
	if ((strcmp(bus_type, "pci") != 0) && (strcmp(bus_type, "pciex") != 0))
		return (NDI_FAILURE);

	/*
	 * The pci-hotplug project addresses adding the call
	 * to pci_resource_setup from pci nexus driver.
	 * However that project would initially be only for x86,
	 * so for sparc pcmcia-pci support we still need to call
	 * pci_resource_setup in pcic driver. Once all pci nexus drivers
	 * are updated to call pci_resource_setup this portion of the
	 * code would really become an assert to make sure this
	 * function is not called for the same dip twice.
	 */
	{
		if (ra_map_exist(dip, NDI_RA_TYPE_MEM) == NDI_SUCCESS) {
			return (NDI_FAILURE);
		}
	}


	/*
	 * Create empty resource maps first.
	 *
	 * NOTE: If all the allocated resources are already assigned to
	 * device(s) in the hot plug slot then "available" property may not
	 * be present. But, subsequent hot plug operation may unconfigure
	 * the device in the slot and try to free up it's resources. So,
	 * at the minimum we should create empty maps here.
	 */
	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_MEM) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_IO) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_PCI_BUSNUM) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	if (ndi_ra_map_setup(dip, NDI_RA_TYPE_PCI_PREFETCH_MEM) ==
	    NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	/* read the "available" property if it is available */
	if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
	    "available", (caddr_t)&regs, &rlen) == DDI_SUCCESS) {
		/*
		 * create the available resource list for both memory and
		 * io space
		 */
		rcount = rlen / sizeof (pci_regspec_t);
		for (i = 0; i < rcount; i++) {
		    switch (PCI_REG_ADDR_G(regs[i].pci_phys_hi)) {
		    case PCI_REG_ADDR_G(PCI_ADDR_MEM32):
			(void) ndi_ra_free(dip,
			    (uint64_t)regs[i].pci_phys_low,
			    (uint64_t)regs[i].pci_size_low,
			    (regs[i].pci_phys_hi & PCI_REG_PF_M) ?
			    NDI_RA_TYPE_PCI_PREFETCH_MEM : NDI_RA_TYPE_MEM,
			    0);
			break;
		    case PCI_REG_ADDR_G(PCI_ADDR_MEM64):
			(void) ndi_ra_free(dip,
			    ((uint64_t)(regs[i].pci_phys_mid) << 32) |
			    ((uint64_t)(regs[i].pci_phys_low)),
			    ((uint64_t)(regs[i].pci_size_hi) << 32) |
			    ((uint64_t)(regs[i].pci_size_low)),
			    (regs[i].pci_phys_hi & PCI_REG_PF_M) ?
			    NDI_RA_TYPE_PCI_PREFETCH_MEM : NDI_RA_TYPE_MEM,
			    0);
			break;
		    case PCI_REG_ADDR_G(PCI_ADDR_IO):
			(void) ndi_ra_free(dip,
			    (uint64_t)regs[i].pci_phys_low,
			    (uint64_t)regs[i].pci_size_low,
			    NDI_RA_TYPE_IO,
			    0);
			break;
		    case PCI_REG_ADDR_G(PCI_ADDR_CONFIG):
			break;
		    default:
			cmn_err(CE_WARN,
			    "pci_resource_setup: bad addr type: %x\n",
			    PCI_REG_ADDR_G(regs[i].pci_phys_hi));
			break;
		    }
		}
		kmem_free((caddr_t)regs, rlen);
	}

	/*
	 * update resource map for available bus numbers if the node
	 * has available-bus-range or bus-range property.
	 */
	len = sizeof (struct bus_range);
	if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
	    "available-bus-range", (caddr_t)&pci_bus_range, &len) ==
	    DDI_SUCCESS) {
		/*
		 * Add bus numbers in the range to the free list.
		 */
		(void) ndi_ra_free(dip, (uint64_t)pci_bus_range.lo,
		    (uint64_t)pci_bus_range.hi - (uint64_t)pci_bus_range.lo +
		    1, NDI_RA_TYPE_PCI_BUSNUM, 0);
	} else {
		/*
		 * We don't have an available-bus-range property. If, instead,
		 * we have a bus-range property we add all the bus numbers
		 * in that range to the free list but we must then scan
		 * for pci-pci bridges on this bus to find out the if there
		 * are any of those bus numbers already in use. If so, we can
		 * reclaim them.
		 */
		len = sizeof (struct bus_range);
		if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip,
		    DDI_PROP_DONTPASS, "bus-range", (caddr_t)&pci_bus_range,
		    &len) == DDI_SUCCESS) {
			if (pci_bus_range.lo != pci_bus_range.hi) {
				/*
				 * Add bus numbers other than the secondary
				 * bus number to the free list.
				 */
				(void) ndi_ra_free(dip,
				    (uint64_t)pci_bus_range.lo + 1,
				    (uint64_t)pci_bus_range.hi -
				    (uint64_t)pci_bus_range.lo,
				    NDI_RA_TYPE_PCI_BUSNUM, 0);

				/* scan for pci-pci bridges */
				ctrl.rv = DDI_SUCCESS;
				ctrl.dip = dip;
				ctrl.range = &pci_bus_range;
				ndi_devi_enter(dip, &circular_count);
				ddi_walk_devs(ddi_get_child(dip),
				    claim_pci_busnum, (void *)&ctrl);
				ndi_devi_exit(dip, circular_count);
				if (ctrl.rv != DDI_SUCCESS) {
					/* failed to create the map */
					(void) ndi_ra_map_destroy(dip,
					    NDI_RA_TYPE_PCI_BUSNUM);
					rval = NDI_FAILURE;
				}
			}
		}
	}

#ifdef BUSRA_DEBUG
	if (busra_debug) {
		(void) ra_dump_all(NULL, dip);
	}
#endif

	return (rval);
}
Exemplo n.º 4
0
/*
 * isa_resource_setup
 *	check for /used-resources and initialize
 *	based on info there.  If no /used-resources,
 *	fail.
 */
int
isa_resource_setup()
{
	dev_info_t *used, *usedpdip;
	/*
	 * note that at this time bootconf creates 32 bit properties for
	 * io-space and device-memory
	 */
	struct iorange {
		uint32_t	base;
		uint32_t	len;
	} *iorange;
	struct memrange {
		uint32_t	base;
		uint32_t	len;
	} *memrange;
	uint32_t *irq;
	int proplen;
	int i, len;
	int maxrange;
	ndi_ra_request_t req;
	uint64_t retbase;
	uint64_t retlen;

	used = ddi_find_devinfo("used-resources", -1, 0);
	if (used == NULL) {
		DEBUGPRT(CE_CONT,
			"isa_resource_setup: used-resources not found");
		return (NDI_FAILURE);
	}

	/*
	 * initialize to all resources being present
	 * and then remove the ones in use.
	 */

	usedpdip = ddi_root_node();

	DEBUGPRT(CE_CONT, "isa_resource_setup: used = %p usedpdip = %p\n",
	    (void *)used, (void *)usedpdip);

	if (ndi_ra_map_setup(usedpdip, NDI_RA_TYPE_IO) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	/* initialize io space, highest end base is 0xffff */
	/* note that length is highest addr + 1 since starts from 0 */

	(void) ndi_ra_free(usedpdip, 0, 0xffff + 1,  NDI_RA_TYPE_IO, 0);

	if (ddi_getlongprop(DDI_DEV_T_ANY, used, DDI_PROP_DONTPASS,
	    "io-space", (caddr_t)&iorange, &proplen) == DDI_SUCCESS) {
		maxrange = proplen / sizeof (struct iorange);
		/* remove the "used" I/O resources */
		for (i = 0; i < maxrange; i++) {
			bzero((caddr_t)&req, sizeof (req));
			req.ra_addr =  (uint64_t)iorange[i].base;
			req.ra_len = (uint64_t)iorange[i].len;
			req.ra_flags = NDI_RA_ALLOC_SPECIFIED;
			(void) ndi_ra_alloc(usedpdip, &req, &retbase, &retlen,
			    NDI_RA_TYPE_IO, 0);
		}

		kmem_free((caddr_t)iorange, proplen);
	}

	if (ndi_ra_map_setup(usedpdip, NDI_RA_TYPE_MEM) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}
	/* initialize memory space where highest end base is 0xffffffff */
	/* note that length is highest addr + 1 since starts from 0 */
	(void) ndi_ra_free(usedpdip, 0, ((uint64_t)((uint32_t)~0)) + 1,
	    NDI_RA_TYPE_MEM, 0);

	if (ddi_getlongprop(DDI_DEV_T_ANY, used, DDI_PROP_DONTPASS,
	    "device-memory", (caddr_t)&memrange, &proplen) == DDI_SUCCESS) {
		maxrange = proplen / sizeof (struct memrange);
		/* remove the "used" memory resources */
		for (i = 0; i < maxrange; i++) {
			bzero((caddr_t)&req, sizeof (req));
			req.ra_addr = (uint64_t)memrange[i].base;
			req.ra_len = (uint64_t)memrange[i].len;
			req.ra_flags = NDI_RA_ALLOC_SPECIFIED;
			(void) ndi_ra_alloc(usedpdip, &req, &retbase, &retlen,
			    NDI_RA_TYPE_MEM, 0);
		}

		kmem_free((caddr_t)memrange, proplen);
	}

	if (ndi_ra_map_setup(usedpdip, NDI_RA_TYPE_INTR) == NDI_FAILURE) {
		return (NDI_FAILURE);
	}

	/* initialize the interrupt space */
	(void) ndi_ra_free(usedpdip, 0, 16, NDI_RA_TYPE_INTR, 0);

#if defined(__i386) || defined(__amd64)
	bzero(&req, sizeof (req));
	req.ra_addr = 2;	/* 2 == 9 so never allow */
	req.ra_len = 1;
	req.ra_flags = NDI_RA_ALLOC_SPECIFIED;
	(void) ndi_ra_alloc(usedpdip, &req, &retbase, &retlen,
	    NDI_RA_TYPE_INTR, 0);
#endif

	if (ddi_getlongprop(DDI_DEV_T_ANY, used, DDI_PROP_DONTPASS,
	    "interrupts", (caddr_t)&irq, &proplen) == DDI_SUCCESS) {
		/* Initialize available interrupts by negating the used */
		len = (proplen / sizeof (uint32_t));
		for (i = 0; i < len; i++) {
			bzero((caddr_t)&req, sizeof (req));
			req.ra_addr = (uint64_t)irq[i];
			req.ra_len = 1;
			req.ra_flags = NDI_RA_ALLOC_SPECIFIED;
			(void) ndi_ra_alloc(usedpdip, &req, &retbase, &retlen,
			    NDI_RA_TYPE_INTR, 0);
		}
		kmem_free((caddr_t)irq, proplen);
	}

#ifdef BUSRA_DEBUG
	if (busra_debug) {
		(void) ra_dump_all(NULL, usedpdip);
	}
#endif
	return (NDI_SUCCESS);

}