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authorLogan Gunthorpe <logang@deltatee.com>2017-08-03 12:19:40 -0600
committerJon Mason <jdmason@kudzu.us>2017-11-18 20:37:11 -0500
commit5a1c269f15dc9f964f829d864ae8abebcaa3d3be (patch)
tree28b4eb917e8b993164d2c979853b58011172cff4 /drivers/pci/switch
parentc0ef166cb2882538f85116d9811fb5a4b07e68d9 (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')
-rw-r--r--drivers/pci/switch/switchtec.c260
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,