cxgbe/tom/t4_cpl_io.c

92 	struct aiotx_buffer *ab;
95 	ab = m->m_ext.ext_arg1;
96 	return ((ab->ps.offset + (uintptr_t)m->m_ext.ext_arg2) % PAGE_SIZE);
102 	struct aiotx_buffer *ab;
106 	ab = m->m_ext.ext_arg1;
107 	npages = (ab->ps.offset + (uintptr_t)m->m_ext.ext_arg2) / PAGE_SIZE;
108 	return (ab->ps.pages + npages);
1924 free_aiotx_buffer(struct aiotx_buffer *ab)
1930 	if (refcount_release(&ab->refcount) == 0)
1933 	job = ab->job;
1936 	vm_page_unhold_pages(ab->ps.pages, ab->ps.npages);
1937 	free(ab, M_CXGBE);
1955 	struct aiotx_buffer *ab = buffer;
1959 	    m->m_len, jobtotid(ab->job));
1961 	free_aiotx_buffer(ab);
1971 	struct aiotx_buffer *ab;
1992 	ab = malloc(sizeof(*ab) + n * sizeof(vm_page_t), M_CXGBE, M_WAITOK |
1994 	refcount_init(&ab->refcount, 1);
1995 	ab->ps.pages = (vm_page_t *)(ab + 1);
1996 	ab->ps.npages = vm_fault_quick_hold_pages(map, start, end - start,
1997 	    VM_PROT_WRITE, ab->ps.pages, n);
1998 	if (ab->ps.npages < 0) {
1999 		free(ab, M_CXGBE);
2003 	KASSERT(ab->ps.npages == n,
2004 	    ("hold_aio: page count mismatch: %d vs %d", ab->ps.npages, n));
2006 	ab->ps.offset = pgoff;
2007 	ab->ps.len = job->uaiocb.aio_nbytes;
2008 	ab->job = job;
2009 	job->backend1 = ab;
2012 	    __func__, jobtotid(job), &ab->ps, job, ab->ps.npages);
2023 	struct aiotx_buffer *ab;
2034 	ab = job->backend1;
2043 	if (ab == NULL) {
2047 		ab = job->backend1;
2109 	if (m->m_len > ab->ps.len - job->aio_sent) {
2110 		m->m_len = ab->ps.len - job->aio_sent;
2136 	refcount_acquire(&ab->refcount);
2137 	m_extadd(m, NULL, ab->ps.len, t4_aiotx_mbuf_free, ab,
2185 	free_aiotx_buffer(ab);
2189 		if (ab != NULL) {
2191 			free_aiotx_buffer(ab);
2249 	struct aiotx_buffer *ab;
2266 	ab = job->backend1;
2267 	if (ab != NULL)
2268 		free_aiotx_buffer(ab);