cavium/zip/zip_main.c

79 	struct zip_device *zip = NULL;
89 		zip = devm_kzalloc(&pdev->dev, sizeof(*zip), GFP_KERNEL);
91 	if (!zip)
94 	zip_dev[idx] = zip;
95 	zip->index = idx;
96 	return zip;
125 static int zip_init_hw(struct zip_device *zip)
139 	cmd_ctl.u_reg64 = zip_reg_read(zip->reg_base + ZIP_CMD_CTL);
141 	zip_reg_write(cmd_ctl.u_reg64 & 0xFF, (zip->reg_base + ZIP_CMD_CTL));
144 		zip_reg_read(zip->reg_base + ZIP_CMD_CTL));
146 	constants.u_reg64 = zip_reg_read(zip->reg_base + ZIP_CONSTANTS);
147 	zip->depth    = constants.s.depth;
148 	zip->onfsize  = constants.s.onfsize;
149 	zip->ctxsize  = constants.s.ctxsize;
152 		zip->depth, zip->onfsize, zip->ctxsize);
165 			      (zip->reg_base + ZIP_QUEX_SBUF_CTL(q)));
168 			zip_reg_read(zip->reg_base + ZIP_QUEX_SBUF_CTL(q)));
172 		memset(&zip->iq[q], 0x0, sizeof(struct zip_iq));
174 		spin_lock_init(&zip->iq[q].lock);
176 		if (zip_cmd_qbuf_alloc(zip, q)) {
179 				zip_cmd_qbuf_free(zip, q);
185 		zip->iq[q].sw_tail = zip->iq[q].sw_head;
186 		zip->iq[q].hw_tail = zip->iq[q].sw_head;
190 		que_sbuf_addr.s.ptr = (__pa(zip->iq[q].sw_head) >>
197 			      (zip->reg_base + ZIP_QUEX_SBUF_ADDR(q)));
200 			zip_reg_read(zip->reg_base + ZIP_QUEX_SBUF_ADDR(q)));
203 			zip->iq[q].sw_head, zip->iq[q].sw_tail,
204 			zip->iq[q].hw_tail);
217 	zip_reg_write(que_ena.u_reg64, (zip->reg_base + ZIP_QUE_ENA));
220 		zip_reg_read(zip->reg_base + ZIP_QUE_ENA));
227 			      (zip->reg_base + ZIP_QUEX_MAP(q)));
230 			zip_reg_read(zip->reg_base + ZIP_QUEX_MAP(q)));
236 	zip_reg_write(que_pri.u_reg64, (zip->reg_base + ZIP_QUE_PRI));
238 	zip_msg("QUE_PRI %016llx", zip_reg_read(zip->reg_base + ZIP_QUE_PRI));
243 static void zip_reset(struct zip_device *zip)
249 	zip_reg_write(cmd_ctl.u_reg64, (zip->reg_base + ZIP_CMD_CTL));
255 	struct zip_device *zip = NULL;
258 	zip = zip_alloc_device(pdev);
259 	if (!zip)
262 	dev_info(dev, "Found ZIP device %d %x:%x on Node %d\n", zip->index,
265 	pci_set_drvdata(pdev, zip);
266 	zip->pdev = pdev;
287 	zip->reg_base = pci_ioremap_bar(pdev, PCI_CFG_ZIP_PF_BAR0);
288 	if (!zip->reg_base) {
295 	err = zip_init_hw(zip);
312 	zip_reset(zip);
315 	if (zip->reg_base)
316 		iounmap(zip->reg_base);
326 	zip_dev[zip->index] = NULL;
327 	devm_kfree(dev, zip);
334 	struct zip_device *zip = pci_get_drvdata(pdev);
337 	if (!zip)
344 	if (zip->reg_base) {
345 		zip_reset(zip);
346 		iounmap(zip->reg_base);
357 		zip_cmd_qbuf_free(zip, q);
360 	/* remove zip device from zip device list */
361 	zip_dev[zip->index] = NULL;
492 	struct zip_device *zip;
499 			zip = zip_dev[index];
500 			st  = &zip->stats;
504 				val = zip_reg_read((zip->reg_base +
556 			seq_printf(s, "Cleared stats for zip %d\n", index);