diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 9c7b043..5a20b97 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1141,6 +1141,12 @@ static int ahci_scsi_bus_reset(struct udevice *dev) return 0; } +#ifdef CONFIG_DM_SCSI +struct scsi_ops scsi_ops = { + .exec = ahci_scsi_exec, + .bus_reset = ahci_scsi_bus_reset, +}; +#else int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) { return ahci_scsi_exec(dev, pccb); @@ -1152,3 +1158,4 @@ __weak int scsi_bus_reset(struct udevice *dev) return 0; } +#endif diff --git a/drivers/ata/dwc_ahci.c b/drivers/ata/dwc_ahci.c index 4012017..f614798 100644 --- a/drivers/ata/dwc_ahci.c +++ b/drivers/ata/dwc_ahci.c @@ -98,6 +98,7 @@ U_BOOT_DRIVER(dwc_ahci) = { .id = UCLASS_SCSI, .of_match = dwc_ahci_ids, .ofdata_to_platdata = dwc_ahci_ofdata_to_platdata, + .ops = &scsi_ops, .probe = dwc_ahci_probe, .priv_auto_alloc_size = sizeof(struct dwc_ahci_priv), .flags = DM_FLAG_ALLOC_PRIV_DMA, diff --git a/drivers/ata/sata_ceva.c b/drivers/ata/sata_ceva.c index 7d61a54..d582e5b 100644 --- a/drivers/ata/sata_ceva.c +++ b/drivers/ata/sata_ceva.c @@ -144,6 +144,7 @@ U_BOOT_DRIVER(ceva_host_blk) = { .name = "ceva_sata", .id = UCLASS_SCSI, .of_match = sata_ceva_ids, + .ops = &scsi_ops, .probe = sata_ceva_probe, .ofdata_to_platdata = sata_ceva_ofdata_to_platdata, }; diff --git a/drivers/scsi/scsi-uclass.c b/drivers/scsi/scsi-uclass.c index 40c5044..31e8999 100644 --- a/drivers/scsi/scsi-uclass.c +++ b/drivers/scsi/scsi-uclass.c @@ -13,6 +13,26 @@ #include #include +int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) +{ + struct scsi_ops *ops = scsi_get_ops(dev); + + if (!ops->exec) + return -ENOSYS; + + return ops->exec(dev, pccb); +} + +int scsi_bus_reset(struct udevice *dev) +{ + struct scsi_ops *ops = scsi_get_ops(dev); + + if (!ops->bus_reset) + return -ENOSYS; + + return ops->bus_reset(dev); +} + UCLASS_DRIVER(scsi) = { .id = UCLASS_SCSI, .name = "scsi", diff --git a/include/scsi.h b/include/scsi.h index 20f6932..9cdd13c 100644 --- a/include/scsi.h +++ b/include/scsi.h @@ -191,12 +191,25 @@ struct scsi_ops { int (*bus_reset)(struct udevice *dev); }; -#ifndef CONFIG_DM_SCSI -void scsi_low_level_init(int busdevfunc); -void scsi_init(void); -#endif +#define scsi_get_ops(dev) ((struct scsi_ops *)(dev)->driver->ops) + +extern struct scsi_ops scsi_ops; + +/** + * scsi_exec() - execute a command + * + * @dev: SCSI bus + * @cmd: Command to execute + * @return 0 if OK, -ve on error + */ +int scsi_exec(struct udevice *dev, struct scsi_cmd *cmd); -int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb); +/** + * scsi_bus_reset() - reset the bus + * + * @dev: SCSI bus to reset + * @return 0 if OK, -ve on error + */ int scsi_bus_reset(struct udevice *dev); /** @@ -206,6 +219,11 @@ int scsi_bus_reset(struct udevice *dev); */ int scsi_scan(bool verbose); +#ifndef CONFIG_DM_SCSI +void scsi_low_level_init(int busdevfunc); +void scsi_init(void); +#endif + #define SCSI_IDENTIFY 0xC0 /* not used */ /* Hardware errors */