dev/mrsas/mrsas_ioctl.c

52 void	mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
53 void   *mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
60 extern void mrsas_release_mfi_cmd(struct mrsas_mfi_cmd *cmd);
63     struct mrsas_mfi_cmd *cmd);
82 	struct mrsas_mfi_cmd *cmd = NULL;
113 	cmd = mrsas_get_mfi_cmd(sc);
114 	if (!cmd) {
115 		device_printf(sc->mrsas_dev, "Failed to get a free cmd for IOCTL\n");
120 	 * into our cmd's frames. cmd->frame's context will get overwritten
124 	memcpy(cmd->frame, user_ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
125 	cmd->frame->hdr.context = cmd->index;
126 	cmd->frame->hdr.pad_0 = 0;
127 	cmd->frame->hdr.flags &= ~(MFI_FRAME_IEEE | MFI_FRAME_SGL64 |
139 	    ((unsigned long)cmd->frame + user_ioc->sgl_off);
246 		    (unsigned long *)((unsigned long)cmd->frame + user_ioc->sense_off);
251 	 * cmd to the SCSI mid-layer
253 	cmd->sync_cmd = 1;
254 	ret = mrsas_issue_blocked_cmd(sc, cmd);
262 	cmd->sync_cmd = 0;
305 	memcpy(&user_ioc->frame.hdr.cmd_status, &cmd->frame->hdr.cmd_status,
342 	mrsas_release_mfi_cmd(cmd);
362 	struct mrsas_mfi_cmd *cmd;
390 		cmd = sc->mfi_cmd_list[i];
391 		memset(cmd, 0, sizeof(struct mrsas_mfi_cmd));
392 		cmd->index = i;
393 		cmd->ccb_ptr = NULL;
394 		cmd->sc = sc;
395 		TAILQ_INSERT_TAIL(&(sc->mrsas_mfi_cmd_list_head), cmd, next);
403 			cmd = sc->mfi_cmd_list[i];
404 			mrsas_free_frame(sc, cmd);
414  * mrsas_create_frame_pool:	Creates DMA pool for cmd frames
427 	struct mrsas_mfi_cmd *cmd;
444 		cmd = sc->mfi_cmd_list[i];
445 		cmd->frame = mrsas_alloc_frame(sc, cmd);
446 		if (cmd->frame == NULL) {
461 		memset(cmd->frame, 0, MRSAS_MFI_FRAME_SIZE);
462 		cmd->frame->io.context = cmd->index;
463 		cmd->frame->io.pad_0 = 0;
477 mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
481 	if (bus_dmamem_alloc(sc->mficmd_frame_tag, (void **)&cmd->frame_mem,
482 	    BUS_DMA_NOWAIT, &cmd->frame_dmamap)) {
486 	if (bus_dmamap_load(sc->mficmd_frame_tag, cmd->frame_dmamap,
487 	    cmd->frame_mem, frame_size, mrsas_alloc_cb,
488 	    &cmd->frame_phys_addr, BUS_DMA_NOWAIT)) {
492 	return (cmd->frame_mem);
524 mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
526 	if (cmd->frame_phys_addr)
527 		bus_dmamap_unload(sc->mficmd_frame_tag, cmd->frame_dmamap);
528 	if (cmd->frame_mem != NULL)
529 		bus_dmamem_free(sc->mficmd_frame_tag, cmd->frame_mem, cmd->frame_dmamap);