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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: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2010-03-05 10:47:47 -07:00 committed by Len Brown
parent 0f4050c7d3
commit 9d7cca0421
2 changed files with 4 additions and 1 deletions
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1
include/linux/ioport.h
View File

@ -51,6 +51,7 @@ struct resource_list {
#define IORESOURCE_STARTALIGN 0x00080000 /* start field is alignment */ #define IORESOURCE_STARTALIGN 0x00080000 /* start field is alignment */
#define IORESOURCE_MEM_64 0x00100000 #define IORESOURCE_MEM_64 0x00100000
#define IORESOURCE_WINDOW 0x00200000 /* forwarded by bridge */
#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ #define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */
#define IORESOURCE_DISABLED 0x10000000 #define IORESOURCE_DISABLED 0x10000000

4
lib/vsprintf.c
View File

@ -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) */ * 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 RSRC_BUF_SIZE ((2 * sizeof(resource_size_t)) + 4)
#define FLAG_BUF_SIZE (2 * sizeof(res->flags)) #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]") #define RAW_BUF_SIZE sizeof("[mem - flags 0x]")
char sym[max(2*RSRC_BUF_SIZE + DECODED_BUF_SIZE, char sym[max(2*RSRC_BUF_SIZE + DECODED_BUF_SIZE,
2*RSRC_BUF_SIZE + FLAG_BUF_SIZE + RAW_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); p = string(p, pend, " 64bit", str_spec);
if (res->flags & IORESOURCE_PREFETCH) if (res->flags & IORESOURCE_PREFETCH)
p = string(p, pend, " pref", str_spec); p = string(p, pend, " pref", str_spec);
if (res->flags & IORESOURCE_WINDOW)
p = string(p, pend, " window", str_spec);
if (res->flags & IORESOURCE_DISABLED) if (res->flags & IORESOURCE_DISABLED)
p = string(p, pend, " disabled", str_spec); p = string(p, pend, " disabled", str_spec);
} else { } else {