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Commit 9d7cca04 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

resource: add window support 



Add support for resource windows.  This is for bridge resources, i.e.,
regions where a bridge forwards transactions from the primary to the
secondary side.

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 0f4050c7

include/linux/ioport.h

+1 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ struct resource_list { 
#define IORESOURCE_STARTALIGN	0x00080000	/* start field is alignment */



#define IORESOURCE_MEM_64	0x00100000

#define IORESOURCE_WINDOW	0x00200000	/* forwarded by bridge */



#define IORESOURCE_EXCLUSIVE	0x08000000	/* Userland may not map this resource */

#define IORESOURCE_DISABLED	0x10000000

lib/vsprintf.c

+3 −1
Original line number Diff line number Diff line
@@ -635,7 +635,7 @@ static char *resource_string(char *buf, char *end, struct resource *res, 
	 * 64-bit res (sizeof==8): 20 chars in dec, 18 in hex ("0x" + 16) */

#define RSRC_BUF_SIZE		((2 * sizeof(resource_size_t)) + 4)

#define FLAG_BUF_SIZE		(2 * sizeof(res->flags))

#define DECODED_BUF_SIZE	sizeof("[mem - 64bit pref disabled]")

#define DECODED_BUF_SIZE	sizeof("[mem - 64bit pref window disabled]")

#define RAW_BUF_SIZE		sizeof("[mem - flags 0x]")

	char sym[max(2*RSRC_BUF_SIZE + DECODED_BUF_SIZE,

		     2*RSRC_BUF_SIZE + FLAG_BUF_SIZE + RAW_BUF_SIZE)];
@@ -675,6 +675,8 @@ static char *resource_string(char *buf, char *end, struct resource *res, 
			p = string(p, pend, " 64bit", str_spec);

		if (res->flags & IORESOURCE_PREFETCH)

			p = string(p, pend, " pref", str_spec);

		if (res->flags & IORESOURCE_WINDOW)

			p = string(p, pend, " window", str_spec);

		if (res->flags & IORESOURCE_DISABLED)

			p = string(p, pend, " disabled", str_spec);

	} else {