C++ (Cpp) mdb_mfn_to_pfn Examples

Example #1

File: i86mmu.c Project: drscream/illumos-joyent

/*ARGSUSED*/
int
ptable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
	pfn_t pfn;
	uint_t mflag = 0;
	uint64_t level = (uint64_t)-1;

	init_mmu();

	if (mmu.num_level == 0)
		return (DCMD_ERR);

	if ((flags & DCMD_ADDRSPEC) == 0)
		return (DCMD_USAGE);

	if (mdb_getopts(argc, argv,
	    'm', MDB_OPT_SETBITS, TRUE, &mflag,
	    'l', MDB_OPT_UINT64, &level, NULL) != argc)
		return (DCMD_USAGE);

	if (level != (uint64_t)-1 && level > mmu.max_level) {
		mdb_warn("invalid level %lu\n", level);
		return (DCMD_ERR);
	}

	pfn = (pfn_t)addr;
	if (mflag)
		pfn = mdb_mfn_to_pfn(pfn);

	return (do_ptable_dcmd(pfn, level));
}

Example #2

File: i86mmu.c Project: AlainODea/illumos-gate

static paddr_t
mdb_ma_to_pa(uint64_t ma)
{
	pfn_t pfn = mdb_mfn_to_pfn(mmu_btop(ma));
	if (pfn == -(pfn_t)1)
		return (-(paddr_t)1);

	return (mmu_ptob((paddr_t)pfn) | (ma & (MMU_PAGESIZE - 1)));
}

Example #3

File: i86mmu.c Project: AlainODea/illumos-gate

int
va2pfn_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
	uintptr_t addrspace;
	char *addrspace_str = NULL;
	int piped = flags & DCMD_PIPE_OUT;
	pfn_t pfn;
	pfn_t mfn;
	int rc;

	init_mmu();

	if (mmu.num_level == 0)
		return (DCMD_ERR);

	if (mdb_getopts(argc, argv,
	    'a', MDB_OPT_STR, &addrspace_str) != argc)
		return (DCMD_USAGE);

	if ((flags & DCMD_ADDRSPEC) == 0)
		return (DCMD_USAGE);

	/*
	 * parse the address space
	 */
	if (addrspace_str != NULL)
		addrspace = mdb_strtoull(addrspace_str);
	else
		addrspace = 0;

	rc = do_va2pa(addr, (struct as *)addrspace, !piped, NULL, &mfn);

	if (rc != DCMD_OK)
		return (rc);

	if ((pfn = mdb_mfn_to_pfn(mfn)) == -(pfn_t)1) {
		mdb_warn("Invalid mfn %lr\n", mfn);
		return (DCMD_ERR);
	}

	if (piped) {
		mdb_printf("0x%lr\n", pfn);
		return (DCMD_OK);
	}

	mdb_printf("Virtual address 0x%p maps pfn 0x%lr", addr, pfn);

	if (is_xpv)
		mdb_printf(" (mfn 0x%lr)", mfn);

	mdb_printf("\n");

	return (DCMD_OK);
}

Example #4

File: i86mmu.c Project: AlainODea/illumos-gate

/*ARGSUSED*/
int
mfntopfn_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
	pfn_t pfn;

	if ((flags & DCMD_ADDRSPEC) == 0) {
		mdb_warn("MFN missing\n");
		return (DCMD_USAGE);
	}

	if ((pfn = mdb_mfn_to_pfn((pfn_t)addr)) == -(pfn_t)1) {
		mdb_warn("Invalid mfn %lr\n", (pfn_t)addr);
		return (DCMD_ERR);
	}

	mdb_printf("%lr\n", pfn);

	return (DCMD_OK);
}

Example #5

File: i86mmu.c Project: AlainODea/illumos-gate

/*ARGSUSED*/
int
ptable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
	pfn_t pfn;
	uint_t mflag = 0;

	init_mmu();

	if (mmu.num_level == 0)
		return (DCMD_ERR);

	if ((flags & DCMD_ADDRSPEC) == 0)
		return (DCMD_USAGE);

	if (mdb_getopts(argc, argv,
	    'm', MDB_OPT_SETBITS, TRUE, &mflag, NULL) != argc)
		return (DCMD_USAGE);

	pfn = (pfn_t)addr;
	if (mflag)
		pfn = mdb_mfn_to_pfn(pfn);

	return (do_ptable_dcmd(pfn));
}