Changeset b357377 in mainline for uspace/lib/usbhost/include/usb/host/bandwidth.h

Timestamp:

2018-01-25T02:05:57Z (7 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d369b3b

Parents:

5f0b366

git-author:

Ondřej Hlavatý <aearsis@…> (2018-01-25 01:23:20)

git-committer:

Ondřej Hlavatý <aearsis@…> (2018-01-25 02:05:57)

Message:

usbhost: make bandwidth accounting a usb2_bus-thing

File:

• uspace/lib/usbhost/include/usb/host/bandwidth.h (modified) (1 diff)

uspace/lib/usbhost/include/usb/host/bandwidth.h

@@ -41 +41 @@
 #include <stddef.h>
 
-/** Bytes per second in FULL SPEED */
-#define BANDWIDTH_TOTAL_USB11 (12000000 / 8)
-/** 90% of total bandwidth is available for periodic transfers */
-#define BANDWIDTH_AVAILABLE_USB11 ((BANDWIDTH_TOTAL_USB11 * 9) / 10)
-
-/** Number of nanoseconds in one microframe */
-#define BANDWIDTH_TOTAL_USB20 (125000)
-/** 90% of total bandwidth is available for periodic transfers */
-#define BANDWIDTH_AVAILABLE_USB20  ((BANDWIDTH_TOTAL_USB20 * 9) / 10)
-
 typedef struct endpoint endpoint_t;
 
-extern ssize_t bandwidth_count_usb11(endpoint_t *, size_t);
+typedef size_t (*endpoint_count_bw_t)(endpoint_t *);
 
-extern ssize_t bandwidth_count_usb20(endpoint_t *, size_t);
+typedef struct {
+        size_t available_bandwidth;
+        endpoint_count_bw_t count_bw;
+} bandwidth_accounting_t;
+
+extern const bandwidth_accounting_t bandwidth_accounting_usb11;
+extern const bandwidth_accounting_t bandwidth_accounting_usb2;
 
 #endif