diff options
author | Logan Gunthorpe <logang@deltatee.com> | 2017-08-03 12:19:40 -0600 |
---|---|---|
committer | Jon Mason <jdmason@kudzu.us> | 2017-11-18 20:37:11 -0500 |
commit | 5a1c269f15dc9f964f829d864ae8abebcaa3d3be (patch) | |
tree | 28b4eb917e8b993164d2c979853b58011172cff4 /drivers/pci/switch/switchtec.c | |
parent | c0ef166cb2882538f85116d9811fb5a4b07e68d9 (diff) |
NTB: switchtec: Move structure definitions into a common header
Create the switchtec.h header in include/linux with hardware defines
and the switchtec_dev structure. Both moved directly from switchtec.c.
This is a prep patch for creating an NTB driver for Switchtec.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Bates <sbates@raithlin.com>
Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/pci/switch/switchtec.c')
-rw-r--r-- | drivers/pci/switch/switchtec.c | 260 |
1 files changed, 1 insertions, 259 deletions
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index af81b2dec42e..5b75d3008ff8 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -13,6 +13,7 @@ * */ +#include <linux/switchtec.h> #include <linux/switchtec_ioctl.h> #include <linux/interrupt.h> @@ -20,8 +21,6 @@ #include <linux/fs.h> #include <linux/uaccess.h> #include <linux/poll.h> -#include <linux/pci.h> -#include <linux/cdev.h> #include <linux/wait.h> MODULE_DESCRIPTION("Microsemi Switchtec(tm) PCIe Management Driver"); @@ -37,263 +36,6 @@ static dev_t switchtec_devt; static struct class *switchtec_class; static DEFINE_IDA(switchtec_minor_ida); -#define MICROSEMI_VENDOR_ID 0x11f8 -#define MICROSEMI_NTB_CLASSCODE 0x068000 -#define MICROSEMI_MGMT_CLASSCODE 0x058000 - -#define SWITCHTEC_MRPC_PAYLOAD_SIZE 1024 -#define SWITCHTEC_MAX_PFF_CSR 48 - -#define SWITCHTEC_EVENT_OCCURRED BIT(0) -#define SWITCHTEC_EVENT_CLEAR BIT(0) -#define SWITCHTEC_EVENT_EN_LOG BIT(1) -#define SWITCHTEC_EVENT_EN_CLI BIT(2) -#define SWITCHTEC_EVENT_EN_IRQ BIT(3) -#define SWITCHTEC_EVENT_FATAL BIT(4) - -enum { - SWITCHTEC_GAS_MRPC_OFFSET = 0x0000, - SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x1000, - SWITCHTEC_GAS_SW_EVENT_OFFSET = 0x1800, - SWITCHTEC_GAS_SYS_INFO_OFFSET = 0x2000, - SWITCHTEC_GAS_FLASH_INFO_OFFSET = 0x2200, - SWITCHTEC_GAS_PART_CFG_OFFSET = 0x4000, - SWITCHTEC_GAS_NTB_OFFSET = 0x10000, - SWITCHTEC_GAS_PFF_CSR_OFFSET = 0x134000, -}; - -struct mrpc_regs { - u8 input_data[SWITCHTEC_MRPC_PAYLOAD_SIZE]; - u8 output_data[SWITCHTEC_MRPC_PAYLOAD_SIZE]; - u32 cmd; - u32 status; - u32 ret_value; -} __packed; - -enum mrpc_status { - SWITCHTEC_MRPC_STATUS_INPROGRESS = 1, - SWITCHTEC_MRPC_STATUS_DONE = 2, - SWITCHTEC_MRPC_STATUS_ERROR = 0xFF, - SWITCHTEC_MRPC_STATUS_INTERRUPTED = 0x100, -}; - -struct sw_event_regs { - u64 event_report_ctrl; - u64 reserved1; - u64 part_event_bitmap; - u64 reserved2; - u32 global_summary; - u32 reserved3[3]; - u32 stack_error_event_hdr; - u32 stack_error_event_data; - u32 reserved4[4]; - u32 ppu_error_event_hdr; - u32 ppu_error_event_data; - u32 reserved5[4]; - u32 isp_error_event_hdr; - u32 isp_error_event_data; - u32 reserved6[4]; - u32 sys_reset_event_hdr; - u32 reserved7[5]; - u32 fw_exception_hdr; - u32 reserved8[5]; - u32 fw_nmi_hdr; - u32 reserved9[5]; - u32 fw_non_fatal_hdr; - u32 reserved10[5]; - u32 fw_fatal_hdr; - u32 reserved11[5]; - u32 twi_mrpc_comp_hdr; - u32 twi_mrpc_comp_data; - u32 reserved12[4]; - u32 twi_mrpc_comp_async_hdr; - u32 twi_mrpc_comp_async_data; - u32 reserved13[4]; - u32 cli_mrpc_comp_hdr; - u32 cli_mrpc_comp_data; - u32 reserved14[4]; - u32 cli_mrpc_comp_async_hdr; - u32 cli_mrpc_comp_async_data; - u32 reserved15[4]; - u32 gpio_interrupt_hdr; - u32 gpio_interrupt_data; - u32 reserved16[4]; -} __packed; - -enum { - SWITCHTEC_CFG0_RUNNING = 0x04, - SWITCHTEC_CFG1_RUNNING = 0x05, - SWITCHTEC_IMG0_RUNNING = 0x03, - SWITCHTEC_IMG1_RUNNING = 0x07, -}; - -struct sys_info_regs { - u32 device_id; - u32 device_version; - u32 firmware_version; - u32 reserved1; - u32 vendor_table_revision; - u32 table_format_version; - u32 partition_id; - u32 cfg_file_fmt_version; - u16 cfg_running; - u16 img_running; - u32 reserved2[57]; - char vendor_id[8]; - char product_id[16]; - char product_revision[4]; - char component_vendor[8]; - u16 component_id; - u8 component_revision; -} __packed; - -struct flash_info_regs { - u32 flash_part_map_upd_idx; - - struct active_partition_info { - u32 address; - u32 build_version; - u32 build_string; - } active_img; - - struct active_partition_info active_cfg; - struct active_partition_info inactive_img; - struct active_partition_info inactive_cfg; - - u32 flash_length; - - struct partition_info { - u32 address; - u32 length; - } cfg0; - - struct partition_info cfg1; - struct partition_info img0; - struct partition_info img1; - struct partition_info nvlog; - struct partition_info vendor[8]; -}; - -struct ntb_info_regs { - u8 partition_count; - u8 partition_id; - u16 reserved1; - u64 ep_map; - u16 requester_id; -} __packed; - -struct part_cfg_regs { - u32 status; - u32 state; - u32 port_cnt; - u32 usp_port_mode; - u32 usp_pff_inst_id; - u32 vep_pff_inst_id; - u32 dsp_pff_inst_id[47]; - u32 reserved1[11]; - u16 vep_vector_number; - u16 usp_vector_number; - u32 port_event_bitmap; - u32 reserved2[3]; - u32 part_event_summary; - u32 reserved3[3]; - u32 part_reset_hdr; - u32 part_reset_data[5]; - u32 mrpc_comp_hdr; - u32 mrpc_comp_data[5]; - u32 mrpc_comp_async_hdr; - u32 mrpc_comp_async_data[5]; - u32 dyn_binding_hdr; - u32 dyn_binding_data[5]; - u32 reserved4[159]; -} __packed; - -enum { - SWITCHTEC_PART_CFG_EVENT_RESET = 1 << 0, - SWITCHTEC_PART_CFG_EVENT_MRPC_CMP = 1 << 1, - SWITCHTEC_PART_CFG_EVENT_MRPC_ASYNC_CMP = 1 << 2, - SWITCHTEC_PART_CFG_EVENT_DYN_PART_CMP = 1 << 3, -}; - -struct pff_csr_regs { - u16 vendor_id; - u16 device_id; - u32 pci_cfg_header[15]; - u32 pci_cap_region[48]; - u32 pcie_cap_region[448]; - u32 indirect_gas_window[128]; - u32 indirect_gas_window_off; - u32 reserved[127]; - u32 pff_event_summary; - u32 reserved2[3]; - u32 aer_in_p2p_hdr; - u32 aer_in_p2p_data[5]; - u32 aer_in_vep_hdr; - u32 aer_in_vep_data[5]; - u32 dpc_hdr; - u32 dpc_data[5]; - u32 cts_hdr; - u32 cts_data[5]; - u32 reserved3[6]; - u32 hotplug_hdr; - u32 hotplug_data[5]; - u32 ier_hdr; - u32 ier_data[5]; - u32 threshold_hdr; - u32 threshold_data[5]; - u32 power_mgmt_hdr; - u32 power_mgmt_data[5]; - u32 tlp_throttling_hdr; - u32 tlp_throttling_data[5]; - u32 force_speed_hdr; - u32 force_speed_data[5]; - u32 credit_timeout_hdr; - u32 credit_timeout_data[5]; - u32 link_state_hdr; - u32 link_state_data[5]; - u32 reserved4[174]; -} __packed; - -struct switchtec_dev { - struct pci_dev *pdev; - struct device dev; - struct cdev cdev; - - int partition; - int partition_count; - int pff_csr_count; - char pff_local[SWITCHTEC_MAX_PFF_CSR]; - - void __iomem *mmio; - struct mrpc_regs __iomem *mmio_mrpc; - struct sw_event_regs __iomem *mmio_sw_event; - struct sys_info_regs __iomem *mmio_sys_info; - struct flash_info_regs __iomem *mmio_flash_info; - struct ntb_info_regs __iomem *mmio_ntb; - struct part_cfg_regs __iomem *mmio_part_cfg; - struct part_cfg_regs __iomem *mmio_part_cfg_all; - struct pff_csr_regs __iomem *mmio_pff_csr; - - /* - * The mrpc mutex must be held when accessing the other - * mrpc_ fields, alive flag and stuser->state field - */ - struct mutex mrpc_mutex; - struct list_head mrpc_queue; - int mrpc_busy; - struct work_struct mrpc_work; - struct delayed_work mrpc_timeout; - bool alive; - - wait_queue_head_t event_wq; - atomic_t event_cnt; -}; - -static struct switchtec_dev *to_stdev(struct device *dev) -{ - return container_of(dev, struct switchtec_dev, dev); -} - enum mrpc_state { MRPC_IDLE = 0, MRPC_QUEUED, |