fca/emlxs/emlxs_solaris.c

7309  * The buf_info->flags field describes the memory operation requested.
7312  * Virtual address is supplied in buf_info->virt
7313  * DMA mapping flag is in buf_info->align
7315  * The mapped physical address is returned buf_info->phys
7319  * The byte alignment of the memory request is supplied in buf_info->align
7320  * The byte size of the memory request is supplied in buf_info->size
7321  * The virtual address is returned buf_info->virt
7322  * The mapped physical address is returned buf_info->phys (for FC_MBUF_DMA)
7325 emlxs_mem_alloc(emlxs_hba_t *hba, MBUF_INFO *buf_info)
7339 	if (buf_info->flags & FC_MBUF_SNGLSG) {
7343 	if (buf_info->flags & FC_MBUF_DMA32) {
7347 	if (buf_info->flags & FC_MBUF_PHYSONLY) {
7349 		if (buf_info->virt == 0) {
7358 		    NULL, (ddi_dma_handle_t *)&buf_info->dma_handle);
7362 			    "flags=%x", buf_info->size, buf_info->align,
7363 			    buf_info->flags);
7365 			buf_info->phys = 0;
7366 			buf_info->dma_handle = 0;
7370 		switch (buf_info->align) {
7384 		    (ddi_dma_handle_t)buf_info->dma_handle, NULL,
7385 		    (caddr_t)buf_info->virt, (size_t)buf_info->size,
7393 			    buf_info->flags);
7396 			    (ddi_dma_handle_t *)&buf_info->dma_handle);
7397 			buf_info->phys = 0;
7398 			buf_info->dma_handle = 0;
7408 			    buf_info->dma_handle) & burstsizes_limit;
7409 			if (ddi_dma_set_sbus64(buf_info->dma_handle,
7418 		buf_info->phys = dma_cookie.dmac_laddress;
7423 		EMLXS_MPDATA_SYNC((ddi_dma_handle_t)buf_info->dma_handle,
7424 		    (off_t)0, (size_t)buf_info->size, DDI_DMA_SYNC_FORDEV);
7426 	} else if (buf_info->flags & (FC_MBUF_DMA|FC_MBUF_DMA32)) {
7428 		dma_attr.dma_attr_align = buf_info->align;
7435 		    (ddi_dma_handle_t *)&buf_info->dma_handle);
7439 			    "flags=%x", buf_info->size, buf_info->align,
7440 			    buf_info->flags);
7442 			buf_info->virt = 0;
7443 			buf_info->phys = 0;
7444 			buf_info->data_handle = 0;
7445 			buf_info->dma_handle = 0;
7450 		    (ddi_dma_handle_t)buf_info->dma_handle,
7451 		    (size_t)buf_info->size, &dev_attr, DDI_DMA_CONSISTENT,
7452 		    DDI_DMA_DONTWAIT, NULL, (caddr_t *)&buf_info->virt,
7453 		    &dma_reallen, (ddi_acc_handle_t *)&buf_info->data_handle);
7455 		if ((status != DDI_SUCCESS) || (buf_info->size > dma_reallen)) {
7458 			    "flags=%x", buf_info->size, buf_info->align,
7459 			    buf_info->flags);
7462 			    (ddi_dma_handle_t *)&buf_info->dma_handle);
7464 			buf_info->virt = 0;
7465 			buf_info->phys = 0;
7466 			buf_info->data_handle = 0;
7467 			buf_info->dma_handle = 0;
7473 		    (ddi_dma_handle_t)buf_info->dma_handle, NULL,
7474 		    (caddr_t)buf_info->virt, (size_t)buf_info->size,
7482 			    cookie_count, buf_info->size, buf_info->align,
7483 			    buf_info->flags);
7486 			    (ddi_acc_handle_t *)&buf_info->data_handle);
7488 			    (ddi_dma_handle_t *)&buf_info->dma_handle);
7490 			buf_info->virt = 0;
7491 			buf_info->phys = 0;
7492 			buf_info->dma_handle = 0;
7493 			buf_info->data_handle = 0;
7502 			    ddi_dma_burstsizes(buf_info->
7504 			if (ddi_dma_set_sbus64(buf_info->dma_handle,
7513 		buf_info->phys = dma_cookie.dmac_laddress;
7516 		EMLXS_MPDATA_SYNC((ddi_dma_handle_t)buf_info->dma_handle,
7517 		    (off_t)0, (size_t)buf_info->size, DDI_DMA_SYNC_FORDEV);
7521 		buf_info->virt =
7522 		    (uint32_t *)kmem_zalloc((size_t)buf_info->size,
7524 		buf_info->phys = 0;
7525 		buf_info->data_handle = 0;
7526 		buf_info->dma_handle = 0;
7528 		if (buf_info->virt == (uint32_t *)0) {
7530 			    "size=%x flags=%x", buf_info->size,
7531 			    buf_info->flags);
7538 	return ((uint8_t *)buf_info->virt);
7549  * The buf_info->flags field describes the memory operation requested.
7553  * buf_info->phys
7557  * buf_info->phys. The virtual address to be freed is in buf_info->virt
7561 emlxs_mem_free(emlxs_hba_t *hba, MBUF_INFO *buf_info)
7563 	if (buf_info->flags & FC_MBUF_PHYSONLY) {
7565 		if (buf_info->dma_handle) {
7566 			(void) ddi_dma_unbind_handle(buf_info->dma_handle);
7568 			    (ddi_dma_handle_t *)&buf_info->dma_handle);
7569 			buf_info->dma_handle = NULL;
7572 	} else if (buf_info->flags & (FC_MBUF_DMA|FC_MBUF_DMA32)) {
7574 		if (buf_info->dma_handle) {
7575 			(void) ddi_dma_unbind_handle(buf_info->dma_handle);
7577 			    (ddi_acc_handle_t *)&buf_info->data_handle);
7579 			    (ddi_dma_handle_t *)&buf_info->dma_handle);
7580 			buf_info->dma_handle = NULL;
7581 			buf_info->data_handle = NULL;
7586 		if (buf_info->virt) {
7587 			kmem_free(buf_info->virt, (size_t)buf_info->size);
7588 			buf_info->virt = NULL;