58 	struct sev_device *sev = psp_master->sev_data;  in sev_version_greater_or_equal()  local
60 	if (sev->api_major > maj)  in sev_version_greater_or_equal()
63 	if (sev->api_major == maj && sev->api_minor >= min)  in sev_version_greater_or_equal()
71 	struct sev_device *sev = data;  in sev_irq_handler()  local
79 	reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg);  in sev_irq_handler()
81 		sev->int_rcvd = 1;  in sev_irq_handler()
82 		wake_up(&sev->int_queue);  in sev_irq_handler()
86 static int sev_wait_cmd_ioc(struct sev_device *sev,  in sev_wait_cmd_ioc()  argument
91 	ret = wait_event_timeout(sev->int_queue,  in sev_wait_cmd_ioc()
92 			sev->int_rcvd, timeout * HZ);  in sev_wait_cmd_ioc()
96 	*reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg);  in sev_wait_cmd_ioc()
140 	struct sev_device *sev;  in __sev_do_cmd_locked()  local
150 	sev = psp->sev_data;  in __sev_do_cmd_locked()
156 	dev_dbg(sev->dev, "sev command id %#x buffer 0x%08x%08x timeout %us\n",  in __sev_do_cmd_locked()
162 	iowrite32(phys_lsb, sev->io_regs + sev->vdata->cmdbuff_addr_lo_reg);  in __sev_do_cmd_locked()
163 	iowrite32(phys_msb, sev->io_regs + sev->vdata->cmdbuff_addr_hi_reg);  in __sev_do_cmd_locked()
165 	sev->int_rcvd = 0;  in __sev_do_cmd_locked()
170 	iowrite32(reg, sev->io_regs + sev->vdata->cmdresp_reg);  in __sev_do_cmd_locked()
173 	ret = sev_wait_cmd_ioc(sev, &reg, psp_timeout);  in __sev_do_cmd_locked()
178 		dev_err(sev->dev, "sev command %#x timed out, disabling PSP\n", cmd);  in __sev_do_cmd_locked()
190 		dev_dbg(sev->dev, "sev command %#x failed (%#010x)\n",  in __sev_do_cmd_locked()
215 	struct sev_device *sev;  in __sev_platform_init_locked()  local
221 	sev = psp->sev_data;  in __sev_platform_init_locked()
223 	if (sev->state == SEV_STATE_INIT)  in __sev_platform_init_locked()
235 		sev->init_cmd_buf.flags |= SEV_INIT_FLAGS_SEV_ES;  in __sev_platform_init_locked()
236 		sev->init_cmd_buf.tmr_address = tmr_pa;  in __sev_platform_init_locked()
237 		sev->init_cmd_buf.tmr_len = SEV_ES_TMR_SIZE;  in __sev_platform_init_locked()
240 	rc = __sev_do_cmd_locked(SEV_CMD_INIT, &sev->init_cmd_buf, error);  in __sev_platform_init_locked()
244 	sev->state = SEV_STATE_INIT;  in __sev_platform_init_locked()
252 	dev_dbg(sev->dev, "SEV firmware initialized\n");  in __sev_platform_init_locked()
271 	struct sev_device *sev = psp_master->sev_data;  in __sev_platform_shutdown_locked()  local
278 	sev->state = SEV_STATE_UNINIT;  in __sev_platform_shutdown_locked()
279 	dev_dbg(sev->dev, "SEV firmware shutdown\n");  in __sev_platform_shutdown_locked()
297 	struct sev_device *sev = psp_master->sev_data;  in sev_get_platform_state()  local
301 				 &sev->status_cmd_buf, error);  in sev_get_platform_state()
305 	*state = sev->status_cmd_buf.state;  in sev_get_platform_state()
343 	struct sev_device *sev = psp_master->sev_data;  in sev_ioctl_do_platform_status()  local
344 	struct sev_user_data_status *data = &sev->status_cmd_buf;  in sev_ioctl_do_platform_status()
359 	struct sev_device *sev = psp_master->sev_data;  in sev_ioctl_do_pek_pdh_gen()  local
365 	if (sev->state == SEV_STATE_UNINIT) {  in sev_ioctl_do_pek_pdh_gen()
376 	struct sev_device *sev = psp_master->sev_data;  in sev_ioctl_do_pek_csr()  local
414 	if (sev->state == SEV_STATE_UNINIT) {  in sev_ioctl_do_pek_csr()
457 	struct sev_device *sev = psp_master->sev_data;  in sev_get_api_version()  local
461 	status = &sev->status_cmd_buf;  in sev_get_api_version()
464 		dev_err(sev->dev,  in sev_get_api_version()
469 	sev->api_major = status->api_major;  in sev_get_api_version()
470 	sev->api_minor = status->api_minor;  in sev_get_api_version()
471 	sev->build = status->build;  in sev_get_api_version()
472 	sev->state = status->state;  in sev_get_api_version()
568 	struct sev_device *sev = psp_master->sev_data;  in sev_ioctl_do_pek_import()  local
605 	if (sev->state != SEV_STATE_INIT) {  in sev_ioctl_do_pek_import()
723 	struct sev_device *sev = psp_master->sev_data;  in sev_ioctl_do_pdh_export()  local
732 	if (sev->state != SEV_STATE_INIT) {  in sev_ioctl_do_pdh_export()
928 static int sev_misc_init(struct sev_device *sev)  in sev_misc_init()  argument
930 	struct device *dev = sev->dev;  in sev_misc_init()
961 	init_waitqueue_head(&sev->int_queue);  in sev_misc_init()
962 	sev->misc = misc_dev;  in sev_misc_init()
971 	struct sev_device *sev;  in sev_dev_init()  local
974 	sev = devm_kzalloc(dev, sizeof(*sev), GFP_KERNEL);  in sev_dev_init()
975 	if (!sev)  in sev_dev_init()
978 	psp->sev_data = sev;  in sev_dev_init()
980 	sev->dev = dev;  in sev_dev_init()
981 	sev->psp = psp;  in sev_dev_init()
983 	sev->io_regs = psp->io_regs;  in sev_dev_init()
985 	sev->vdata = (struct sev_vdata *)psp->vdata->sev;  in sev_dev_init()
986 	if (!sev->vdata) {  in sev_dev_init()
992 	psp_set_sev_irq_handler(psp, sev_irq_handler, sev);  in sev_dev_init()
994 	ret = sev_misc_init(sev);  in sev_dev_init()
1014 	struct sev_device *sev = psp->sev_data;  in sev_dev_destroy()  local
1016 	if (!sev)  in sev_dev_destroy()
1019 	if (sev->misc)  in sev_dev_destroy()
1037 	struct sev_device *sev = psp_master->sev_data;  in sev_pci_init()  local
1041 	if (!sev)  in sev_pci_init()
1059 	if (sev->state != SEV_STATE_UNINIT) {  in sev_pci_init()
1061 		sev->state = SEV_STATE_UNINIT;  in sev_pci_init()
1065 	    sev_update_firmware(sev->dev) == 0)  in sev_pci_init()
1074 		dev_warn(sev->dev,  in sev_pci_init()
1088 		dev_dbg(sev->dev, "SEV: retrying INIT command");  in sev_pci_init()
1093 		dev_err(sev->dev, "SEV: failed to INIT error %#x\n", error);  in sev_pci_init()
1097 	dev_info(sev->dev, "SEV API:%d.%d build:%d\n", sev->api_major,  in sev_pci_init()
1098 		 sev->api_minor, sev->build);  in sev_pci_init()