drivers/scsi/gvp11.c

27 	struct WD33C93_hostdata wh;
59 	struct WD33C93_hostdata *wh = &hdata->wh;
76 	if (addr & wh->dma_xfer_mask) {
83 		wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff;
86 			wh->dma_bounce_buffer =
87 				kmalloc(wh->dma_bounce_len, GFP_KERNEL);
88 			wh->dma_buffer_pool = BUF_SCSI_ALLOCED;
92 		    !wh->dma_bounce_buffer) {
93 			wh->dma_bounce_buffer =
94 				amiga_chip_alloc(wh->dma_bounce_len,
97 			if (!wh->dma_bounce_buffer) {
98 				wh->dma_bounce_len = 0;
102 			wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
107 			memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr,
111 		if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) {
114 					      wh->dma_bounce_buffer,
115 					      wh->dma_bounce_len,
121 					 wh->dma_bounce_buffer);
126 		if (addr & wh->dma_xfer_mask) {
132 			if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) {
133 				kfree(wh->dma_bounce_buffer);
136 				amiga_chip_free(wh->dma_bounce_buffer);
139 			wh->dma_bounce_buffer =
140 				amiga_chip_alloc(wh->dma_bounce_len,
143 			if (!wh->dma_bounce_buffer) {
144 				wh->dma_bounce_len = 0;
150 				memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr,
154 			addr = virt_to_phys(wh->dma_bounce_buffer);
156 			wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
167 	wh->dma_dir = dir_in;
175 	bank_mask = (~wh->dma_xfer_mask >> 18) & 0x01c0;
191 	struct WD33C93_hostdata *wh = &hdata->wh;
199 	if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED)
202 				 DMA_DIR(wh->dma_dir));
205 	if (status && wh->dma_bounce_buffer) {
206 		if (wh->dma_dir && SCpnt)
207 			memcpy(scsi_pointer->ptr, wh->dma_bounce_buffer,
210 		if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED)
211 			kfree(wh->dma_bounce_buffer);
213 			amiga_chip_free(wh->dma_bounce_buffer);
215 		wh->dma_bounce_buffer = NULL;
216 		wh->dma_bounce_len = 0;
378 		hdata->wh.dma_xfer_mask = gvp11_xfer_mask;
387 		hdata->wh.dma_xfer_mask = default_dma_xfer_mask;
389 	hdata->wh.no_sync = 0xff;
390 	hdata->wh.fast = 0;
391 	hdata->wh.dma_mode = CTRL_DMA;