diff options
Diffstat (limited to 'drivers/misc/mic/host/mic_device.h')
| -rw-r--r-- | drivers/misc/mic/host/mic_device.h | 88 |
1 files changed, 12 insertions, 76 deletions
diff --git a/drivers/misc/mic/host/mic_device.h b/drivers/misc/mic/host/mic_device.h index 01a7555aa648..461184a12fbb 100644 --- a/drivers/misc/mic/host/mic_device.h +++ b/drivers/misc/mic/host/mic_device.h @@ -26,21 +26,12 @@ #include <linux/notifier.h> #include <linux/irqreturn.h> #include <linux/dmaengine.h> +#include <linux/miscdevice.h> #include <linux/mic_bus.h> #include "../bus/scif_bus.h" +#include "../bus/cosm_bus.h" #include "mic_intr.h" -/* The maximum number of MIC devices supported in a single host system. */ -#define MIC_MAX_NUM_DEVS 256 - -/** - * enum mic_hw_family - The hardware family to which a device belongs. - */ -enum mic_hw_family { - MIC_FAMILY_X100 = 0, - MIC_FAMILY_UNKNOWN -}; - /** * enum mic_stepping - MIC stepping ids. */ @@ -51,6 +42,8 @@ enum mic_stepping { MIC_C0_STEP = 0x20, }; +extern struct cosm_hw_ops cosm_hw_ops; + /** * struct mic_device - MIC device information for each card. * @@ -60,8 +53,7 @@ enum mic_stepping { * @ops: MIC HW specific operations. * @id: The unique device id for this MIC device. * @stepping: Stepping ID. - * @attr_group: Pointer to list of sysfs attribute groups. - * @sdev: Device for sysfs entries. + * @pdev: Underlying PCI device. * @mic_mutex: Mutex for synchronizing access to mic_device. * @intr_ops: HW specific interrupt operations. * @smpt_ops: Hardware specific SMPT operations. @@ -69,30 +61,17 @@ enum mic_stepping { * @intr_info: H/W specific interrupt information. * @irq_info: The OS specific irq information * @dbg_dir: debugfs directory of this MIC device. - * @cmdline: Kernel command line. - * @firmware: Firmware file name. - * @ramdisk: Ramdisk file name. - * @bootmode: Boot mode i.e. "linux" or "elf" for flash updates. * @bootaddr: MIC boot address. - * @reset_trigger_work: Work for triggering reset requests. - * @shutdown_work: Work for handling shutdown interrupts. - * @state: MIC state. - * @shutdown_status: MIC status reported by card for shutdown/crashes. - * @state_sysfs: Sysfs dirent for notifying ring 3 about MIC state changes. - * @reset_wait: Waitqueue for sleeping while reset completes. - * @log_buf_addr: Log buffer address for MIC. - * @log_buf_len: Log buffer length address for MIC. * @dp: virtio device page * @dp_dma_addr: virtio device page DMA address. - * @shutdown_db: shutdown doorbell. - * @shutdown_cookie: shutdown cookie. - * @cdev: Character device for MIC. + * @name: name for the misc char device + * @miscdev: registered misc char device * @vdev_list: list of virtio devices. - * @pm_notifier: Handles PM notifications from the OS. * @dma_mbdev: MIC BUS DMA device. * @dma_ch - Array of DMA channels * @num_dma_ch - Number of DMA channels available * @scdev: SCIF device on the SCIF virtual bus. + * @cosm_dev: COSM device */ struct mic_device { struct mic_mw mmio; @@ -101,8 +80,7 @@ struct mic_device { struct mic_hw_ops *ops; int id; enum mic_stepping stepping; - const struct attribute_group **attr_group; - struct device *sdev; + struct pci_dev *pdev; struct mutex mic_mutex; struct mic_hw_intr_ops *intr_ops; struct mic_smpt_ops *smpt_ops; @@ -110,30 +88,17 @@ struct mic_device { struct mic_intr_info *intr_info; struct mic_irq_info irq_info; struct dentry *dbg_dir; - char *cmdline; - char *firmware; - char *ramdisk; - char *bootmode; u32 bootaddr; - struct work_struct reset_trigger_work; - struct work_struct shutdown_work; - u8 state; - u8 shutdown_status; - struct kernfs_node *state_sysfs; - struct completion reset_wait; - void *log_buf_addr; - int *log_buf_len; void *dp; dma_addr_t dp_dma_addr; - int shutdown_db; - struct mic_irq *shutdown_cookie; - struct cdev cdev; + char name[16]; + struct miscdevice miscdev; struct list_head vdev_list; - struct notifier_block pm_notifier; struct mbus_device *dma_mbdev; struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN]; int num_dma_ch; struct scif_hw_dev *scdev; + struct cosm_device *cosm_dev; }; /** @@ -199,38 +164,9 @@ mic_mmio_write(struct mic_mw *mw, u32 val, u32 offset) iowrite32(val, mw->va + offset); } -static inline struct dma_chan *mic_request_dma_chan(struct mic_device *mdev) -{ - dma_cap_mask_t mask; - struct dma_chan *chan; - - dma_cap_zero(mask); - dma_cap_set(DMA_MEMCPY, mask); - chan = dma_request_channel(mask, mdev->ops->dma_filter, - mdev->sdev->parent); - if (chan) - return chan; - dev_err(mdev->sdev->parent, "%s %d unable to acquire channel\n", - __func__, __LINE__); - return NULL; -} - -void mic_sysfs_init(struct mic_device *mdev); -int mic_start(struct mic_device *mdev, const char *buf); -void mic_stop(struct mic_device *mdev, bool force); -void mic_shutdown(struct mic_device *mdev); -void mic_reset_delayed_work(struct work_struct *work); -void mic_reset_trigger_work(struct work_struct *work); -void mic_shutdown_work(struct work_struct *work); void mic_bootparam_init(struct mic_device *mdev); -void mic_set_state(struct mic_device *mdev, u8 state); -void mic_set_shutdown_status(struct mic_device *mdev, u8 status); void mic_create_debug_dir(struct mic_device *dev); void mic_delete_debug_dir(struct mic_device *dev); void __init mic_init_debugfs(void); void mic_exit_debugfs(void); -void mic_prepare_suspend(struct mic_device *mdev); -void mic_complete_resume(struct mic_device *mdev); -void mic_suspend(struct mic_device *mdev); -extern atomic_t g_num_mics; #endif |