1 // SPDX-License-Identifier: GPL-2.0-or-later
4  * of PCI-SCSI IO processors.
6  * Copyright (C) 1999-2001  Gerard Roudier <[email protected]>
9  * Copyright (C) 1998-2000  Gerard Roudier
12  * a port of the FreeBSD ncr driver to Linux-1.2.13.
16  *         Stefan Esser                <[email protected]-Koeln.de>
24  *-----------------------------------------------------------------------------
30  *  Simple power of two buddy-like generic allocator.
53 	m_link_p h = mp->h;  in ___sym_malloc()
68 				h[j].next->next = NULL;  in ___sym_malloc()
76 		h[j].next = h[j].next->next;  in ___sym_malloc()
78 			j -= 1;  in ___sym_malloc()
81 			h[j].next->next = NULL;  in ___sym_malloc()
85 	printf("___sym_malloc(%d) = %p\n", size, (void *) a);  in ___sym_malloc()
91  *  Counter-part of the generic allocator.
99 	m_link_p h = mp->h;  in ___sym_mfree()
102 	printf("___sym_mfree(%p, %d)\n", ptr, size);  in ___sym_mfree()
120 			((m_link_p) a)->next = h[i].next;  in ___sym_mfree()
127 		while (q->next && q->next != (m_link_p) b) {  in ___sym_mfree()
128 			q = q->next;  in ___sym_mfree()
130 		if (!q->next) {  in ___sym_mfree()
131 			((m_link_p) a)->next = h[i].next;  in ___sym_mfree()
135 		q->next = q->next->next;  in ___sym_mfree()
147 	void *p;  in __sym_calloc2()  local
149 	p = ___sym_malloc(mp, size);  in __sym_calloc2()
152 		printf ("new %-10s[%4d] @%p.\n", name, size, p);  in __sym_calloc2()
155 	if (p)  in __sym_calloc2()
156 		memset(p, 0, size);  in __sym_calloc2()
159 	return p;  in __sym_calloc2()
164  *  Its counter-part.
169 		printf ("freeing %-10s[%4d] @%p.\n", name, size, ptr);  in __sym_mfree()
184 		++mp->nump;  in ___mp0_get_mem_cluster()
192 	--mp->nump;  in ___mp0_free_mem_cluster()
222 		vbp->next = mp->vtob[hc];  in ___get_dma_mem_cluster()
223 		mp->vtob[hc] = vbp;  in ___get_dma_mem_cluster()
224 		++mp->nump;  in ___get_dma_mem_cluster()
238 	vbpp = &mp->vtob[hc];  in ___free_dma_mem_cluster()
239 	while (*vbpp && (*vbpp)->vaddr != m)  in ___free_dma_mem_cluster()
240 		vbpp = &(*vbpp)->next;  in ___free_dma_mem_cluster()
243 		*vbpp = (*vbpp)->next;  in ___free_dma_mem_cluster()
246 		--mp->nump;  in ___free_dma_mem_cluster()
256 		mp && !sym_m_pool_match(mp->dev_dmat, dev_dmat);  in ___get_dma_pool()
257 			mp = mp->next);  in ___get_dma_pool()
266 		mp->dev_dmat = dev_dmat;  in ___cre_dma_pool()
267 		mp->get_mem_cluster = ___get_dma_mem_cluster;  in ___cre_dma_pool()
269 		mp->free_mem_cluster = ___free_dma_mem_cluster;  in ___cre_dma_pool()
271 		mp->next = mp0.next;  in ___cre_dma_pool()
280 static void ___del_dma_pool(m_pool_p p)  in ___del_dma_pool()  argument
284 	while (*pp && *pp != p)  in ___del_dma_pool()
285 		pp = &(*pp)->next;  in ___del_dma_pool()
287 		*pp = (*pp)->next;  in ___del_dma_pool()
288 		__sym_mfree(&mp0, p, sizeof(*p), "MPOOL");  in ___del_dma_pool()
313 	if (!mp->nump)  in __sym_calloc_dma()
333 	if (!mp->nump)  in __sym_mfree_dma()
349 	m_vtob_p vp = NULL;  in __vtobus()  local
356 		vp = mp->vtob[hc];  in __vtobus()
357 		while (vp && vp->vaddr != a)  in __vtobus()
358 			vp = vp->next;  in __vtobus()
360 	if (!vp)  in __vtobus()
362 	b = vp->baddr + (m - a);  in __vtobus()