scsi/cxlflash/main.c

1089  * @fc_regs:	Top of MMIO region defined for specified port.
1095 static void set_port_online(__be64 __iomem *fc_regs)
1099 	cmdcfg = readq_be(&fc_regs[FC_MTIP_CMDCONFIG / 8]);
1102 	writeq_be(cmdcfg, &fc_regs[FC_MTIP_CMDCONFIG / 8]);
1107  * @fc_regs:	Top of MMIO region defined for specified port.
1111 static void set_port_offline(__be64 __iomem *fc_regs)
1115 	cmdcfg = readq_be(&fc_regs[FC_MTIP_CMDCONFIG / 8]);
1118 	writeq_be(cmdcfg, &fc_regs[FC_MTIP_CMDCONFIG / 8]);
1123  * @fc_regs:	Top of MMIO region defined for specified port.
1134 static bool wait_port_online(__be64 __iomem *fc_regs, u32 delay_us, u32 nretry)
1142 		status = readq_be(&fc_regs[FC_MTIP_STATUS / 8]);
1153  * @fc_regs:	Top of MMIO region defined for specified port.
1163 static bool wait_port_offline(__be64 __iomem *fc_regs, u32 delay_us, u32 nretry)
1171 		status = readq_be(&fc_regs[FC_MTIP_STATUS / 8]);
1184  * @fc_regs:	Top of MMIO region defined for specified port.
1193 static void afu_set_wwpn(struct afu *afu, int port, __be64 __iomem *fc_regs,
1199 	set_port_offline(fc_regs);
1200 	if (!wait_port_offline(fc_regs, FC_PORT_STATUS_RETRY_INTERVAL_US,
1206 	writeq_be(wwpn, &fc_regs[FC_PNAME / 8]);
1208 	set_port_online(fc_regs);
1209 	if (!wait_port_online(fc_regs, FC_PORT_STATUS_RETRY_INTERVAL_US,
1220  * @fc_regs:	Top of MMIO region defined for specified port.
1229 static void afu_link_reset(struct afu *afu, int port, __be64 __iomem *fc_regs)
1241 	set_port_offline(fc_regs);
1242 	if (!wait_port_offline(fc_regs, FC_PORT_STATUS_RETRY_INTERVAL_US,
1247 	set_port_online(fc_regs);
1248 	if (!wait_port_online(fc_regs, FC_PORT_STATUS_RETRY_INTERVAL_US,