On Sat, Apr 11, 2020 at 08:32:33PM -0700, James Smart wrote: > This is the initial patch for the new Emulex target mode SCSI > driver sources. > > This patch: > - Creates the new Emulex source level directory drivers/scsi/elx > and adds the directory to the MAINTAINERS file. > - Creates the first library subdirectory drivers/scsi/elx/libefc_sli. > This library is a SLI-4 interface library. > - Starts the population of the libefc_sli library with definitions > of SLI-4 hardware register offsets and definitions. > > Signed-off-by: Ram Vegesna <ram.vegesna@xxxxxxxxxxxx> > Signed-off-by: James Smart <jsmart2021@xxxxxxxxx> > > --- > v3: > Changed anonymous enums to named. > SLI defines to spell out _MASK value directly. > Changed multiple #defines to named enums for consistency. > SLI4_REG_MAX to SLI4_REG_UNKNOWN > --- > MAINTAINERS | 8 ++ > drivers/scsi/elx/libefc_sli/sli4.c | 26 ++++ > drivers/scsi/elx/libefc_sli/sli4.h | 252 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 286 insertions(+) > create mode 100644 drivers/scsi/elx/libefc_sli/sli4.c > create mode 100644 drivers/scsi/elx/libefc_sli/sli4.h > > diff --git a/MAINTAINERS b/MAINTAINERS > index 7bd5e23648b1..a7381c0088e4 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -6223,6 +6223,14 @@ W: http://www.broadcom.com > S: Supported > F: drivers/scsi/lpfc/ > > +EMULEX/BROADCOM EFCT FC/FCOE SCSI TARGET DRIVER > +M: James Smart <james.smart@xxxxxxxxxxxx> > +M: Ram Vegesna <ram.vegesna@xxxxxxxxxxxx> > +L: linux-scsi@xxxxxxxxxxxxxxx Hi James, Perhaps target-devel@xxxxxxxxxxxxxxx can be added too Thanks, Roman > +W: http://www.broadcom.com > +S: Supported > +F: drivers/scsi/elx/ > + > ENE CB710 FLASH CARD READER DRIVER > M: Michał Mirosław <mirq-linux@xxxxxxxxxxxx> > S: Maintained > diff --git a/drivers/scsi/elx/libefc_sli/sli4.c b/drivers/scsi/elx/libefc_sli/sli4.c > new file mode 100644 > index 000000000000..29d33becd334 > --- /dev/null > +++ b/drivers/scsi/elx/libefc_sli/sli4.c > @@ -0,0 +1,26 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (C) 2019 Broadcom. All Rights Reserved. The term > + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. > + */ > + > +/** > + * All common (i.e. transport-independent) SLI-4 functions are implemented > + * in this file. > + */ > +#include "sli4.h" > + > +struct sli4_asic_entry_t { > + u32 rev_id; > + u32 family; > +}; > + > +static struct sli4_asic_entry_t sli4_asic_table[] = { > + { SLI4_ASIC_REV_B0, SLI4_ASIC_GEN_5}, > + { SLI4_ASIC_REV_D0, SLI4_ASIC_GEN_5}, > + { SLI4_ASIC_REV_A3, SLI4_ASIC_GEN_6}, > + { SLI4_ASIC_REV_A0, SLI4_ASIC_GEN_6}, > + { SLI4_ASIC_REV_A1, SLI4_ASIC_GEN_6}, > + { SLI4_ASIC_REV_A3, SLI4_ASIC_GEN_6}, > + { SLI4_ASIC_REV_A1, SLI4_ASIC_GEN_7}, > +}; > diff --git a/drivers/scsi/elx/libefc_sli/sli4.h b/drivers/scsi/elx/libefc_sli/sli4.h > new file mode 100644 > index 000000000000..1fad48643f94 > --- /dev/null > +++ b/drivers/scsi/elx/libefc_sli/sli4.h > @@ -0,0 +1,252 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (C) 2019 Broadcom. All Rights Reserved. The term > + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. > + * > + */ > + > +/* > + * All common SLI-4 structures and function prototypes. > + */ > + > +#ifndef _SLI4_H > +#define _SLI4_H > + > +#include <linux/pci.h> > +#include <linux/delay.h> > +#include "scsi/fc/fc_els.h" > +#include "scsi/fc/fc_fs.h" > +#include "../include/efc_common.h" > + > +/************************************************************************* > + * Common SLI-4 register offsets and field definitions > + */ > + > +/* SLI_INTF - SLI Interface Definition Register */ > +#define SLI4_INTF_REG 0x0058 > +enum sli4_intf { > + SLI4_INTF_REV_SHIFT = 4, > + SLI4_INTF_REV_MASK = 0xF0, > + > + SLI4_INTF_REV_S3 = 0x30, > + SLI4_INTF_REV_S4 = 0x40, > + > + SLI4_INTF_FAMILY_SHIFT = 8, > + SLI4_INTF_FAMILY_MASK = 0x0F00, > + > + SLI4_FAMILY_CHECK_ASIC_TYPE = 0x0F00, > + > + SLI4_INTF_IF_TYPE_SHIFT = 12, > + SLI4_INTF_IF_TYPE_MASK = 0xF000, > + > + SLI4_INTF_IF_TYPE_2 = 0x2000, > + SLI4_INTF_IF_TYPE_6 = 0x6000, > + > + SLI4_INTF_VALID_SHIFT = 29, > + SLI4_INTF_VALID_MASK = 0xE0000000, > + > + SLI4_INTF_VALID_VALUE = 0xC0000000, > +}; > + > +/* ASIC_ID - SLI ASIC Type and Revision Register */ > +#define SLI4_ASIC_ID_REG 0x009c > +enum sli4_asic { > + SLI4_ASIC_GEN_SHIFT = 8, > + SLI4_ASIC_GEN_MASK = 0xFF00, > + SLI4_ASIC_GEN_5 = 0x0B00, > + SLI4_ASIC_GEN_6 = 0x0C00, > + SLI4_ASIC_GEN_7 = 0x0D00, > +}; > + > +enum sli4_acic_revisions { > + SLI4_ASIC_REV_A0 = 0x00, > + SLI4_ASIC_REV_A1 = 0x01, > + SLI4_ASIC_REV_A2 = 0x02, > + SLI4_ASIC_REV_A3 = 0x03, > + SLI4_ASIC_REV_B0 = 0x10, > + SLI4_ASIC_REV_B1 = 0x11, > + SLI4_ASIC_REV_B2 = 0x12, > + SLI4_ASIC_REV_C0 = 0x20, > + SLI4_ASIC_REV_C1 = 0x21, > + SLI4_ASIC_REV_C2 = 0x22, > + SLI4_ASIC_REV_D0 = 0x30, > +}; > + > +/* BMBX - Bootstrap Mailbox Register */ > +#define SLI4_BMBX_REG 0x0160 > +enum sli4_bmbx { > + SLI4_BMBX_MASK_HI = 0x3, > + SLI4_BMBX_MASK_LO = 0xf, > + SLI4_BMBX_RDY = (1 << 0), > + SLI4_BMBX_HI = (1 << 1), > + SLI4_BMBX_SIZE = 256, > +}; > + > +#define SLI4_BMBX_WRITE_HI(r) \ > + ((upper_32_bits(r) & ~SLI4_BMBX_MASK_HI) | SLI4_BMBX_HI) > +#define SLI4_BMBX_WRITE_LO(r) \ > + (((upper_32_bits(r) & SLI4_BMBX_MASK_HI) << 30) | \ > + (((r) & ~SLI4_BMBX_MASK_LO) >> 2)) > + > +/* SLIPORT_CONTROL - SLI Port Control Register */ > +#define SLI4_PORT_CTRL_REG 0x0408 > +enum sli4_port_ctrl { > + SLI4_PORT_CTRL_IP = (1 << 27), > + SLI4_PORT_CTRL_IDIS = (1 << 22), > + SLI4_PORT_CTRL_FDD = (1 << 31), > +}; > + > +/* SLI4_SLIPORT_ERROR - SLI Port Error Register */ > +#define SLI4_PORT_ERROR1 0x040c > +#define SLI4_PORT_ERROR2 0x0410 > + > +/* EQCQ_DOORBELL - EQ and CQ Doorbell Register */ > +#define SLI4_EQCQ_DB_REG 0x120 > +enum sli4_eqcq_e { > + SLI4_EQ_ID_LO_MASK = 0x01FF, > + > + SLI4_CQ_ID_LO_MASK = 0x03FF, > + > + SLI4_EQCQ_CI_EQ = 0x0200, > + > + SLI4_EQCQ_QT_EQ = 0x00000400, > + SLI4_EQCQ_QT_CQ = 0x00000000, > + > + SLI4_EQCQ_ID_HI_SHIFT = 11, > + SLI4_EQCQ_ID_HI_MASK = 0xF800, > + > + SLI4_EQCQ_NUM_SHIFT = 16, > + SLI4_EQCQ_NUM_MASK = 0x1FFF0000, > + > + SLI4_EQCQ_ARM = 0x20000000, > + SLI4_EQCQ_UNARM = 0x00000000, > +}; > + > +#define SLI4_EQ_DOORBELL(n, id, a) \ > + (((id) & SLI4_EQ_ID_LO_MASK) | SLI4_EQCQ_QT_EQ | \ > + ((((id) >> 9) << SLI4_EQCQ_ID_HI_SHIFT) & SLI4_EQCQ_ID_HI_MASK) | \ > + (((n) << SLI4_EQCQ_NUM_SHIFT) & SLI4_EQCQ_NUM_MASK) | \ > + (a) | SLI4_EQCQ_CI_EQ) > + > +#define SLI4_CQ_DOORBELL(n, id, a) \ > + (((id) & SLI4_CQ_ID_LO_MASK) | SLI4_EQCQ_QT_CQ | \ > + ((((id) >> 10) << SLI4_EQCQ_ID_HI_SHIFT) & SLI4_EQCQ_ID_HI_MASK) | \ > + (((n) << SLI4_EQCQ_NUM_SHIFT) & SLI4_EQCQ_NUM_MASK) | (a)) > + > +/* EQ_DOORBELL - EQ Doorbell Register for IF_TYPE = 6*/ > +#define SLI4_IF6_EQ_DB_REG 0x120 > +enum sli4_eq_e { > + SLI4_IF6_EQ_ID_MASK = 0x0FFF, > + > + SLI4_IF6_EQ_NUM_SHIFT = 16, > + SLI4_IF6_EQ_NUM_MASK = 0x1FFF0000, > +}; > + > +#define SLI4_IF6_EQ_DOORBELL(n, id, a) \ > + (((id) & SLI4_IF6_EQ_ID_MASK) | \ > + (((n) << SLI4_IF6_EQ_NUM_SHIFT) & SLI4_IF6_EQ_NUM_MASK) | (a)) > + > +/* CQ_DOORBELL - CQ Doorbell Register for IF_TYPE = 6 */ > +#define SLI4_IF6_CQ_DB_REG 0xC0 > +enum sli4_cq_e { > + SLI4_IF6_CQ_ID_MASK = 0xFFFF, > + > + SLI4_IF6_CQ_NUM_SHIFT = 16, > + SLI4_IF6_CQ_NUM_MASK = 0x1FFF0000, > +}; > + > +#define SLI4_IF6_CQ_DOORBELL(n, id, a) \ > + (((id) & SLI4_IF6_CQ_ID_MASK) | \ > + (((n) << SLI4_IF6_CQ_NUM_SHIFT) & SLI4_IF6_CQ_NUM_MASK) | (a)) > + > +/* MQ_DOORBELL - MQ Doorbell Register */ > +#define SLI4_MQ_DB_REG 0x0140 > +#define SLI4_IF6_MQ_DB_REG 0x0160 > +enum sli4_mq_e { > + SLI4_MQ_ID_MASK = 0xFFFF, > + > + SLI4_MQ_NUM_SHIFT = 16, > + SLI4_MQ_NUM_MASK = 0x3FFF0000, > +}; > + > +#define SLI4_MQ_DOORBELL(n, i) \ > + (((i) & SLI4_MQ_ID_MASK) | \ > + (((n) << SLI4_MQ_NUM_SHIFT) & SLI4_MQ_NUM_MASK)) > + > +/* RQ_DOORBELL - RQ Doorbell Register */ > +#define SLI4_RQ_DB_REG 0x0a0 > +#define SLI4_IF6_RQ_DB_REG 0x0080 > +enum sli4_rq_e { > + SLI4_RQ_DB_ID_MASK = 0xFFFF, > + > + SLI4_RQ_DB_NUM_SHIFT = 16, > + SLI4_RQ_DB_NUM_MASK = 0x3FFF0000, > +}; > + > +#define SLI4_RQ_DOORBELL(n, i) \ > + (((i) & SLI4_RQ_DB_ID_MASK) | \ > + (((n) << SLI4_RQ_DB_NUM_SHIFT) & SLI4_RQ_DB_NUM_MASK)) > + > +/* WQ_DOORBELL - WQ Doorbell Register */ > +#define SLI4_IO_WQ_DB_REG 0x040 > +#define SLI4_IF6_WQ_DB_REG 0x040 > +enum sli4_wq_e { > + SLI4_WQ_ID_MASK = 0xFFFF, > + > + SLI4_WQ_IDX_SHIFT = 16, > + SLI4_WQ_IDX_MASK = 0xFF0000, > + > + SLI4_WQ_NUM_SHIFT = 24, > + SLI4_WQ_NUM_MASK = 0x0FF00000, > +}; > + > +#define SLI4_WQ_DOORBELL(n, x, i) \ > + (((i) & SLI4_WQ_ID_MASK) | \ > + (((x) << SLI4_WQ_IDX_SHIFT) & SLI4_WQ_IDX_MASK) | \ > + (((n) << SLI4_WQ_NUM_SHIFT) & SLI4_WQ_NUM_MASK)) > + > +/* SLIPORT_SEMAPHORE - SLI Port Host and Port Status Register */ > +#define SLI4_PORT_SEMP_REG 0x0400 > +enum sli4_port_sem_e { > + SLI4_PORT_SEMP_ERR_MASK = 0xF000, > + SLI4_PORT_SEMP_UNRECOV_ERR = 0xF000, > +}; > + > +/* SLIPORT_STATUS - SLI Port Status Register */ > +#define SLI4_PORT_STATUS_REGOFF 0x0404 > +enum sli4_port_status { > + SLI4_PORT_STATUS_FDP = (1 << 21), > + SLI4_PORT_STATUS_RDY = (1 << 23), > + SLI4_PORT_STATUS_RN = (1 << 24), > + SLI4_PORT_STATUS_DIP = (1 << 25), > + SLI4_PORT_STATUS_OTI = (1 << 29), > + SLI4_PORT_STATUS_ERR = (1 << 31), > +}; > + > +#define SLI4_PHYDEV_CTRL_REG 0x0414 > +#define SLI4_PHYDEV_CTRL_FRST (1 << 1) > +#define SLI4_PHYDEV_CTRL_DD (1 << 2) > + > +/* Register name enums */ > +enum sli4_regname_en { > + SLI4_REG_BMBX, > + SLI4_REG_EQ_DOORBELL, > + SLI4_REG_CQ_DOORBELL, > + SLI4_REG_RQ_DOORBELL, > + SLI4_REG_IO_WQ_DOORBELL, > + SLI4_REG_MQ_DOORBELL, > + SLI4_REG_PHYSDEV_CONTROL, > + SLI4_REG_PORT_CONTROL, > + SLI4_REG_PORT_ERROR1, > + SLI4_REG_PORT_ERROR2, > + SLI4_REG_PORT_SEMAPHORE, > + SLI4_REG_PORT_STATUS, > + SLI4_REG_UNKWOWN /* must be last */ > +}; > + > +struct sli4_reg { > + u32 rset; > + u32 off; > +}; > + > +#endif /* !_SLI4_H */ > -- > 2.16.4 >
