diff options
author | Shannon Nelson <snelson@pensando.io> | 2019-09-03 15:28:05 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-09-05 09:24:43 +0200 |
commit | fbfb8031533c924c2f3fef73759b4cf75a0e6aa7 (patch) | |
tree | 85065bfb99c975b103a9aaee4d5af8482e1f839f /drivers/net/ethernet/pensando/ionic/ionic_dev.h | |
parent | ionic: Add basic framework for IONIC Network device driver (diff) | |
download | linux-dev-fbfb8031533c924c2f3fef73759b4cf75a0e6aa7.tar.xz linux-dev-fbfb8031533c924c2f3fef73759b4cf75a0e6aa7.zip |
ionic: Add hardware init and device commands
The ionic device has a small set of PCI registers, including a
device control and data space, and a large set of message
commands.
Also adds new DEVLINK_INFO_VERSION_GENERIC tags for
ASIC_ID, ASIC_REV, and FW.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_dev.h')
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h new file mode 100644 index 000000000000..7050545a83aa --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#ifndef _IONIC_DEV_H_ +#define _IONIC_DEV_H_ + +#include <linux/mutex.h> +#include <linux/workqueue.h> + +#include "ionic_if.h" +#include "ionic_regs.h" + +struct ionic_dev_bar { + void __iomem *vaddr; + phys_addr_t bus_addr; + unsigned long len; + int res_index; +}; + +/* Registers */ +static_assert(sizeof(struct ionic_intr) == 32); + +static_assert(sizeof(struct ionic_doorbell) == 8); +static_assert(sizeof(struct ionic_intr_status) == 8); +static_assert(sizeof(union ionic_dev_regs) == 4096); +static_assert(sizeof(union ionic_dev_info_regs) == 2048); +static_assert(sizeof(union ionic_dev_cmd_regs) == 2048); +static_assert(sizeof(struct ionic_lif_stats) == 1024); + +static_assert(sizeof(struct ionic_admin_cmd) == 64); +static_assert(sizeof(struct ionic_admin_comp) == 16); +static_assert(sizeof(struct ionic_nop_cmd) == 64); +static_assert(sizeof(struct ionic_nop_comp) == 16); + +/* Device commands */ +static_assert(sizeof(struct ionic_dev_identify_cmd) == 64); +static_assert(sizeof(struct ionic_dev_identify_comp) == 16); +static_assert(sizeof(struct ionic_dev_init_cmd) == 64); +static_assert(sizeof(struct ionic_dev_init_comp) == 16); +static_assert(sizeof(struct ionic_dev_reset_cmd) == 64); +static_assert(sizeof(struct ionic_dev_reset_comp) == 16); +static_assert(sizeof(struct ionic_dev_getattr_cmd) == 64); +static_assert(sizeof(struct ionic_dev_getattr_comp) == 16); +static_assert(sizeof(struct ionic_dev_setattr_cmd) == 64); +static_assert(sizeof(struct ionic_dev_setattr_comp) == 16); + +/* Port commands */ +static_assert(sizeof(struct ionic_port_identify_cmd) == 64); +static_assert(sizeof(struct ionic_port_identify_comp) == 16); +static_assert(sizeof(struct ionic_port_init_cmd) == 64); +static_assert(sizeof(struct ionic_port_init_comp) == 16); +static_assert(sizeof(struct ionic_port_reset_cmd) == 64); +static_assert(sizeof(struct ionic_port_reset_comp) == 16); +static_assert(sizeof(struct ionic_port_getattr_cmd) == 64); +static_assert(sizeof(struct ionic_port_getattr_comp) == 16); +static_assert(sizeof(struct ionic_port_setattr_cmd) == 64); +static_assert(sizeof(struct ionic_port_setattr_comp) == 16); + +/* LIF commands */ +static_assert(sizeof(struct ionic_lif_init_cmd) == 64); +static_assert(sizeof(struct ionic_lif_init_comp) == 16); +static_assert(sizeof(struct ionic_lif_reset_cmd) == 64); +static_assert(sizeof(ionic_lif_reset_comp) == 16); +static_assert(sizeof(struct ionic_lif_getattr_cmd) == 64); +static_assert(sizeof(struct ionic_lif_getattr_comp) == 16); +static_assert(sizeof(struct ionic_lif_setattr_cmd) == 64); +static_assert(sizeof(struct ionic_lif_setattr_comp) == 16); + +static_assert(sizeof(struct ionic_q_init_cmd) == 64); +static_assert(sizeof(struct ionic_q_init_comp) == 16); +static_assert(sizeof(struct ionic_q_control_cmd) == 64); +static_assert(sizeof(ionic_q_control_comp) == 16); + +static_assert(sizeof(struct ionic_rx_mode_set_cmd) == 64); +static_assert(sizeof(ionic_rx_mode_set_comp) == 16); +static_assert(sizeof(struct ionic_rx_filter_add_cmd) == 64); +static_assert(sizeof(struct ionic_rx_filter_add_comp) == 16); +static_assert(sizeof(struct ionic_rx_filter_del_cmd) == 64); +static_assert(sizeof(ionic_rx_filter_del_comp) == 16); + +/* RDMA commands */ +static_assert(sizeof(struct ionic_rdma_reset_cmd) == 64); +static_assert(sizeof(struct ionic_rdma_queue_cmd) == 64); + +/* Events */ +static_assert(sizeof(struct ionic_notifyq_cmd) == 4); +static_assert(sizeof(union ionic_notifyq_comp) == 64); +static_assert(sizeof(struct ionic_notifyq_event) == 64); +static_assert(sizeof(struct ionic_link_change_event) == 64); +static_assert(sizeof(struct ionic_reset_event) == 64); +static_assert(sizeof(struct ionic_heartbeat_event) == 64); +static_assert(sizeof(struct ionic_log_event) == 64); + +/* I/O */ +static_assert(sizeof(struct ionic_txq_desc) == 16); +static_assert(sizeof(struct ionic_txq_sg_desc) == 128); +static_assert(sizeof(struct ionic_txq_comp) == 16); + +static_assert(sizeof(struct ionic_rxq_desc) == 16); +static_assert(sizeof(struct ionic_rxq_sg_desc) == 128); +static_assert(sizeof(struct ionic_rxq_comp) == 16); + +struct ionic_devinfo { + u8 asic_type; + u8 asic_rev; + char fw_version[IONIC_DEVINFO_FWVERS_BUFLEN + 1]; + char serial_num[IONIC_DEVINFO_SERIAL_BUFLEN + 1]; +}; + +struct ionic_dev { + union ionic_dev_info_regs __iomem *dev_info_regs; + union ionic_dev_cmd_regs __iomem *dev_cmd_regs; + + u64 __iomem *db_pages; + dma_addr_t phy_db_pages; + + struct ionic_intr __iomem *intr_ctrl; + u64 __iomem *intr_status; + + struct ionic_devinfo dev_info; +}; + +struct ionic; + +void ionic_init_devinfo(struct ionic *ionic); +int ionic_dev_setup(struct ionic *ionic); +void ionic_dev_teardown(struct ionic *ionic); + +void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd); +u8 ionic_dev_cmd_status(struct ionic_dev *idev); +bool ionic_dev_cmd_done(struct ionic_dev *idev); +void ionic_dev_cmd_comp(struct ionic_dev *idev, union ionic_dev_cmd_comp *comp); + +void ionic_dev_cmd_identify(struct ionic_dev *idev, u8 ver); +void ionic_dev_cmd_init(struct ionic_dev *idev); +void ionic_dev_cmd_reset(struct ionic_dev *idev); + +#endif /* _IONIC_DEV_H_ */ |