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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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0d6c3d9667
Add queue depth for both iso and bulk transfer, with more queues, we can do performance and stress test using sourcesink, and update g_zero accordingly. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* This header declares the utility functions used by "Gadget Zero", plus
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* interfaces to its two single-configuration function drivers.
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*/
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#ifndef __G_ZERO_H
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#define __G_ZERO_H
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#define GZERO_BULK_BUFLEN 4096
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#define GZERO_QLEN 32
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#define GZERO_ISOC_INTERVAL 4
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#define GZERO_ISOC_MAXPACKET 1024
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#define GZERO_SS_BULK_QLEN 1
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#define GZERO_SS_ISO_QLEN 8
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struct usb_zero_options {
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unsigned pattern;
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unsigned isoc_interval;
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unsigned isoc_maxpacket;
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unsigned isoc_mult;
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unsigned isoc_maxburst;
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unsigned bulk_buflen;
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unsigned qlen;
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unsigned ss_bulk_qlen;
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unsigned ss_iso_qlen;
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};
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struct f_ss_opts {
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struct usb_function_instance func_inst;
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unsigned pattern;
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unsigned isoc_interval;
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unsigned isoc_maxpacket;
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unsigned isoc_mult;
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unsigned isoc_maxburst;
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unsigned bulk_buflen;
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unsigned bulk_qlen;
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unsigned iso_qlen;
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/*
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* Read/write access to configfs attributes is handled by configfs.
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*
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* This is to protect the data from concurrent access by read/write
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* and create symlink/remove symlink.
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*/
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struct mutex lock;
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int refcnt;
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};
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struct f_lb_opts {
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struct usb_function_instance func_inst;
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unsigned bulk_buflen;
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unsigned qlen;
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/*
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* Read/write access to configfs attributes is handled by configfs.
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*
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* This is to protect the data from concurrent access by read/write
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* and create symlink/remove symlink.
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*/
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struct mutex lock;
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int refcnt;
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};
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void lb_modexit(void);
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int lb_modinit(void);
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/* common utilities */
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void free_ep_req(struct usb_ep *ep, struct usb_request *req);
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void disable_endpoints(struct usb_composite_dev *cdev,
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struct usb_ep *in, struct usb_ep *out,
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struct usb_ep *iso_in, struct usb_ep *iso_out);
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#endif /* __G_ZERO_H */
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