adapters/hermon/hermon_misc.c

78 	hermon_udbr_page_t *pagep;
85 	pagep = kmem_alloc(sizeof (*pagep), KM_SLEEP);
86 	pagep->upg_index = page;
87 	pagep->upg_nfree = pagesize / sizeof (hermon_dbr_t);
90 	pagep->upg_free = kmem_zalloc(pagesize / sizeof (hermon_dbr_t) / 8,
92 	pagep->upg_kvaddr = ddi_umem_alloc(pagesize, DDI_UMEM_SLEEP,
93 	    &pagep->upg_umemcookie); /* not HERMON_PAGESIZE here */
95 	pagep->upg_buf = ddi_umem_iosetup(pagep->upg_umemcookie, 0,
104 	    DDI_DMA_SLEEP, NULL, &pagep->upg_dmahdl);
110 	status = ddi_dma_buf_bind_handle(pagep->upg_dmahdl,
111 	    pagep->upg_buf, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
112 	    DDI_DMA_SLEEP, NULL, &pagep->upg_dmacookie, &cookiecnt);
116 		ddi_dma_free_handle(&pagep->upg_dmahdl);
124 	    (uint64_t)(uintptr_t)pagep);
126 	return (pagep);
137 	hermon_udbr_page_t *pagep;
154 	pagep = udbr->udbr_pagep;
155 	next_page = (pagep == NULL) ? 0 : (pagep->upg_index + 1);
156 	while (pagep != NULL)
157 		if (pagep->upg_nfree > 0)
160 			pagep = pagep->upg_link;
161 	if (pagep == NULL) {
162 		pagep = hermon_dbr_new_user_page(state, index, next_page);
163 		if (pagep == NULL) {
167 		pagep->upg_link = udbr->udbr_pagep;
168 		udbr->udbr_pagep = pagep;
177 		if ((pagep->upg_free[i1] & mask) != mask)
179 	u64 = pagep->upg_free[i1];
193 	pagep->upg_free[i1] |= (1ul << (i3 + 8 * i2));
196 	pagep->upg_nfree--;
197 	((uint64_t *)(void *)pagep->upg_kvaddr)[dbr_index] = 0;	/* clear dbr */
198 	*mapoffset = ((HERMON_DBR_KEY(index, pagep->upg_index) <<
200 	*vdbr = (hermon_dbr_t *)((uint64_t *)(void *)pagep->upg_kvaddr +
202 	*pdbr = pagep->upg_dmacookie.dmac_laddress + dbr_index *
213 	hermon_udbr_page_t	*pagep;
233 	for (pagep = udbr->udbr_pagep; pagep != NULL; pagep = pagep->upg_link)
234 		if (pagep->upg_kvaddr == kvaddr)
236 	if (pagep == NULL) {
237 		IBTF_DPRINTF_L2("hermon", "free user dbr: pagep struct not"
243 	if (pagep->upg_nfree >= max_free) {
252 	ASSERT((pagep->upg_free[i1] & (1ul << i2)) == (1ul << i2));
253 	pagep->upg_free[i1] &= ~(1ul << i2);
254 	pagep->upg_nfree++;
436 	hermon_udbr_page_t	*pagep, *nextp;
455 		pagep = udbr->udbr_pagep;
456 		while (pagep != NULL) {
458 			(void) ddi_dma_unbind_handle(pagep->upg_dmahdl);
459 			ddi_dma_free_handle(&pagep->upg_dmahdl);
460 			freerbuf(pagep->upg_buf);
461 			ddi_umem_free(pagep->upg_umemcookie);
464 			    pagep->upg_index), MLNX_UMAP_DBRMEM_RSRC,
468 			kmem_free(pagep->upg_free,
470 			nextp = pagep->upg_link;
471 			kmem_free(pagep, sizeof (*pagep));
472 			pagep = nextp;