diff options
Diffstat (limited to 'include')
62 files changed, 1065 insertions, 894 deletions
diff --git a/include/linux/cn_proc.h b/include/linux/cn_proc.h index 47dac5ea8d3a..12c517b51ca2 100644 --- a/include/linux/cn_proc.h +++ b/include/linux/cn_proc.h @@ -53,6 +53,7 @@ struct proc_event { PROC_EVENT_UID = 0x00000004, PROC_EVENT_GID = 0x00000040, PROC_EVENT_SID = 0x00000080, + PROC_EVENT_PTRACE = 0x00000100, /* "next" should be 0x00000400 */ /* "last" is the last process event: exit */ PROC_EVENT_EXIT = 0x80000000 @@ -95,6 +96,13 @@ struct proc_event { __kernel_pid_t process_tgid; } sid; + struct ptrace_proc_event { + __kernel_pid_t process_pid; + __kernel_pid_t process_tgid; + __kernel_pid_t tracer_pid; + __kernel_pid_t tracer_tgid; + } ptrace; + struct exit_proc_event { __kernel_pid_t process_pid; __kernel_pid_t process_tgid; @@ -109,6 +117,7 @@ void proc_fork_connector(struct task_struct *task); void proc_exec_connector(struct task_struct *task); void proc_id_connector(struct task_struct *task, int which_id); void proc_sid_connector(struct task_struct *task); +void proc_ptrace_connector(struct task_struct *task, int which_id); void proc_exit_connector(struct task_struct *task); #else static inline void proc_fork_connector(struct task_struct *task) @@ -124,6 +133,10 @@ static inline void proc_id_connector(struct task_struct *task, static inline void proc_sid_connector(struct task_struct *task) {} +static inline void proc_ptrace_connector(struct task_struct *task, + int ptrace_id) +{} + static inline void proc_exit_connector(struct task_struct *task) {} #endif /* CONFIG_PROC_EVENTS */ diff --git a/include/linux/device.h b/include/linux/device.h index e4f62d8896b7..160d4ddb2499 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -516,7 +516,7 @@ struct device_dma_parameters { * minimizes board-specific #ifdefs in drivers. * @power: For device power management. * See Documentation/power/devices.txt for details. - * @pwr_domain: Provide callbacks that are executed during system suspend, + * @pm_domain: Provide callbacks that are executed during system suspend, * hibernation, system resume and during runtime PM transitions * along with subsystem-level and driver-level callbacks. * @numa_node: NUMA node this device is close to. @@ -567,7 +567,7 @@ struct device { void *platform_data; /* Platform specific data, device core doesn't touch it */ struct dev_pm_info power; - struct dev_power_domain *pwr_domain; + struct dev_pm_domain *pm_domain; #ifdef CONFIG_NUMA int numa_node; /* NUMA node this device is close to */ diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index 4ff09889c5c0..357dbfc2829e 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -30,10 +30,13 @@ #include <linux/types.h> #include <linux/firewire-constants.h> +/* available since kernel version 2.6.22 */ #define FW_CDEV_EVENT_BUS_RESET 0x00 #define FW_CDEV_EVENT_RESPONSE 0x01 #define FW_CDEV_EVENT_REQUEST 0x02 #define FW_CDEV_EVENT_ISO_INTERRUPT 0x03 + +/* available since kernel version 2.6.30 */ #define FW_CDEV_EVENT_ISO_RESOURCE_ALLOCATED 0x04 #define FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED 0x05 @@ -120,24 +123,11 @@ struct fw_cdev_event_response { /** * struct fw_cdev_event_request - Old version of &fw_cdev_event_request2 - * @closure: See &fw_cdev_event_common; set by %FW_CDEV_IOC_ALLOCATE ioctl * @type: See &fw_cdev_event_common; always %FW_CDEV_EVENT_REQUEST - * @tcode: See &fw_cdev_event_request2 - * @offset: See &fw_cdev_event_request2 - * @handle: See &fw_cdev_event_request2 - * @length: See &fw_cdev_event_request2 - * @data: See &fw_cdev_event_request2 * * This event is sent instead of &fw_cdev_event_request2 if the kernel or - * the client implements ABI version <= 3. - * - * Unlike &fw_cdev_event_request2, the sender identity cannot be established, - * broadcast write requests cannot be distinguished from unicast writes, and - * @tcode of lock requests is %TCODE_LOCK_REQUEST. - * - * Requests to the FCP_REQUEST or FCP_RESPONSE register are responded to as - * with &fw_cdev_event_request2, except in kernel 2.6.32 and older which send - * the response packet of the client's %FW_CDEV_IOC_SEND_RESPONSE ioctl. + * the client implements ABI version <= 3. &fw_cdev_event_request lacks + * essential information; use &fw_cdev_event_request2 instead. */ struct fw_cdev_event_request { __u64 closure; @@ -452,29 +442,31 @@ union fw_cdev_event { * %FW_CDEV_ISO_CONTEXT_RECEIVE_MULTICHANNEL, and * %FW_CDEV_IOC_SET_ISO_CHANNELS */ -#define FW_CDEV_VERSION 3 /* Meaningless; don't use this macro. */ /** * struct fw_cdev_get_info - General purpose information ioctl * @version: The version field is just a running serial number. Both an * input parameter (ABI version implemented by the client) and * output parameter (ABI version implemented by the kernel). - * A client must not fill in an %FW_CDEV_VERSION defined from an - * included kernel header file but the actual version for which - * the client was implemented. This is necessary for forward - * compatibility. We never break backwards compatibility, but - * may add more structs, events, and ioctls in later revisions. - * @rom_length: If @rom is non-zero, at most rom_length bytes of configuration + * A client shall fill in the ABI @version for which the client + * was implemented. This is necessary for forward compatibility. + * @rom_length: If @rom is non-zero, up to @rom_length bytes of Configuration * ROM will be copied into that user space address. In either * case, @rom_length is updated with the actual length of the - * configuration ROM. + * Configuration ROM. * @rom: If non-zero, address of a buffer to be filled by a copy of the - * device's configuration ROM + * device's Configuration ROM * @bus_reset: If non-zero, address of a buffer to be filled by a * &struct fw_cdev_event_bus_reset with the current state * of the bus. This does not cause a bus reset to happen. * @bus_reset_closure: Value of &closure in this and subsequent bus reset events * @card: The index of the card this device belongs to + * + * The %FW_CDEV_IOC_GET_INFO ioctl is usually the very first one which a client + * performs right after it opened a /dev/fw* file. + * + * As a side effect, reception of %FW_CDEV_EVENT_BUS_RESET events to be read(2) + * is started by this ioctl. */ struct fw_cdev_get_info { __u32 version; @@ -612,7 +604,7 @@ struct fw_cdev_initiate_bus_reset { * @handle: Handle to the descriptor, written by the kernel * * Add a descriptor block and optionally a preceding immediate key to the local - * node's configuration ROM. + * node's Configuration ROM. * * The @key field specifies the upper 8 bits of the descriptor root directory * pointer and the @data and @length fields specify the contents. The @key @@ -627,9 +619,9 @@ struct fw_cdev_initiate_bus_reset { * If successful, the kernel adds the descriptor and writes back a @handle to * the kernel-side object to be used for later removal of the descriptor block * and immediate key. The kernel will also generate a bus reset to signal the - * change of the configuration ROM to other nodes. + * change of the Configuration ROM to other nodes. * - * This ioctl affects the configuration ROMs of all local nodes. + * This ioctl affects the Configuration ROMs of all local nodes. * The ioctl only succeeds on device files which represent a local node. */ struct fw_cdev_add_descriptor { @@ -641,13 +633,13 @@ struct fw_cdev_add_descriptor { }; /** - * struct fw_cdev_remove_descriptor - Remove contents from the configuration ROM + * struct fw_cdev_remove_descriptor - Remove contents from the Configuration ROM * @handle: Handle to the descriptor, as returned by the kernel when the * descriptor was added * * Remove a descriptor block and accompanying immediate key from the local - * nodes' configuration ROMs. The kernel will also generate a bus reset to - * signal the change of the configuration ROM to other nodes. + * nodes' Configuration ROMs. The kernel will also generate a bus reset to + * signal the change of the Configuration ROM to other nodes. */ struct fw_cdev_remove_descriptor { __u32 handle; @@ -863,13 +855,8 @@ struct fw_cdev_stop_iso { * @local_time: system time, in microseconds since the Epoch * @cycle_timer: Cycle Time register contents * - * The %FW_CDEV_IOC_GET_CYCLE_TIMER ioctl reads the isochronous cycle timer - * and also the system clock (%CLOCK_REALTIME). This allows to express the - * receive time of an isochronous packet as a system time. - * - * @cycle_timer consists of 7 bits cycleSeconds, 13 bits cycleCount, and - * 12 bits cycleOffset, in host byte order. Cf. the Cycle Time register - * per IEEE 1394 or Isochronous Cycle Timer register per OHCI-1394. + * Same as %FW_CDEV_IOC_GET_CYCLE_TIMER2, but fixed to use %CLOCK_REALTIME + * and only with microseconds resolution. * * In version 1 and 2 of the ABI, this ioctl returned unreliable (non- * monotonic) @cycle_timer values on certain controllers. @@ -886,10 +873,17 @@ struct fw_cdev_get_cycle_timer { * @clk_id: input parameter, clock from which to get the system time * @cycle_timer: Cycle Time register contents * - * The %FW_CDEV_IOC_GET_CYCLE_TIMER2 works like - * %FW_CDEV_IOC_GET_CYCLE_TIMER but lets you choose a clock like with POSIX' - * clock_gettime function. Supported @clk_id values are POSIX' %CLOCK_REALTIME - * and %CLOCK_MONOTONIC and Linux' %CLOCK_MONOTONIC_RAW. + * The %FW_CDEV_IOC_GET_CYCLE_TIMER2 ioctl reads the isochronous cycle timer + * and also the system clock. This allows to correlate reception time of + * isochronous packets with system time. + * + * @clk_id lets you choose a clock like with POSIX' clock_gettime function. + * Supported @clk_id values are POSIX' %CLOCK_REALTIME and %CLOCK_MONOTONIC + * and Linux' %CLOCK_MONOTONIC_RAW. + * + * @cycle_timer consists of 7 bits cycleSeconds, 13 bits cycleCount, and + * 12 bits cycleOffset, in host byte order. Cf. the Cycle Time register + * per IEEE 1394 or Isochronous Cycle Timer register per OHCI-1394. */ struct fw_cdev_get_cycle_timer2 { __s64 tv_sec; @@ -1011,4 +1005,6 @@ struct fw_cdev_receive_phy_packets { __u64 closure; }; +#define FW_CDEV_VERSION 3 /* Meaningless legacy macro; don't use it. */ + #endif /* _LINUX_FIREWIRE_CDEV_H */ diff --git a/include/linux/hid.h b/include/linux/hid.h index 42f7e2fb501f..9cf8e7ae7450 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -453,7 +453,8 @@ struct hid_input { enum hid_type { HID_TYPE_OTHER = 0, - HID_TYPE_USBMOUSE + HID_TYPE_USBMOUSE, + HID_TYPE_USBNONE }; struct hid_driver; diff --git a/include/linux/lguest.h b/include/linux/lguest.h index 2fb1dcbcb5aa..9962c6bb1311 100644 --- a/include/linux/lguest.h +++ b/include/linux/lguest.h @@ -59,8 +59,6 @@ struct lguest_data { unsigned long reserve_mem; /* KHz for the TSC clock. */ u32 tsc_khz; - /* Page where the top-level pagetable is */ - unsigned long pgdir; /* Fields initialized by the Guest at boot: */ /* Instruction range to suppress interrupts even if enabled */ diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h index 5a90266c3a5a..0dc98044d8b7 100644 --- a/include/linux/mfd/tmio.h +++ b/include/linux/mfd/tmio.h @@ -68,6 +68,11 @@ * controller and report the event to the driver. */ #define TMIO_MMC_HAS_COLD_CD (1 << 3) +/* + * Some controllers require waiting for the SD bus to become + * idle before writing to some registers. + */ +#define TMIO_MMC_HAS_IDLE_WAIT (1 << 4) int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base); int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base); @@ -80,6 +85,8 @@ struct tmio_mmc_dma { int alignment_shift; }; +struct tmio_mmc_host; + /* * data for the MMC controller */ @@ -94,6 +101,7 @@ struct tmio_mmc_data { void (*set_pwr)(struct platform_device *host, int state); void (*set_clk_div)(struct platform_device *host, int state); int (*get_cd)(struct platform_device *host); + int (*write16_hook)(struct tmio_mmc_host *host, int addr); }; static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata) diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h index 9a18667c13cc..b56e4587208d 100644 --- a/include/linux/mlx4/cmd.h +++ b/include/linux/mlx4/cmd.h @@ -123,6 +123,9 @@ enum { /* debug commands */ MLX4_CMD_QUERY_DEBUG_MSG = 0x2a, MLX4_CMD_SET_DEBUG_MSG = 0x2b, + + /* statistics commands */ + MLX4_CMD_QUERY_IF_STAT = 0X54, }; enum { diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 8985768e2c0d..387329e02303 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -58,22 +58,28 @@ enum { }; enum { - MLX4_DEV_CAP_FLAG_RC = 1 << 0, - MLX4_DEV_CAP_FLAG_UC = 1 << 1, - MLX4_DEV_CAP_FLAG_UD = 1 << 2, - MLX4_DEV_CAP_FLAG_SRQ = 1 << 6, - MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7, - MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8, - MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9, - MLX4_DEV_CAP_FLAG_DPDP = 1 << 12, - MLX4_DEV_CAP_FLAG_BLH = 1 << 15, - MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16, - MLX4_DEV_CAP_FLAG_APM = 1 << 17, - MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18, - MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19, - MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20, - MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21, - MLX4_DEV_CAP_FLAG_IBOE = 1 << 30 + MLX4_DEV_CAP_FLAG_RC = 1LL << 0, + MLX4_DEV_CAP_FLAG_UC = 1LL << 1, + MLX4_DEV_CAP_FLAG_UD = 1LL << 2, + MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6, + MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7, + MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8, + MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9, + MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12, + MLX4_DEV_CAP_FLAG_BLH = 1LL << 15, + MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16, + MLX4_DEV_CAP_FLAG_APM = 1LL << 17, + MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18, + MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19, + MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20, + MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21, + MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30, + MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32, + MLX4_DEV_CAP_FLAG_WOL = 1LL << 38, + MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40, + MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41, + MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42, + MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48 }; enum { @@ -253,15 +259,10 @@ struct mlx4_caps { int mtt_entry_sz; u32 max_msg_sz; u32 page_size_cap; - u32 flags; + u64 flags; u32 bmme_flags; u32 reserved_lkey; u16 stat_rate_support; - int udp_rss; - int loopback_support; - int vep_uc_steering; - int vep_mc_steering; - int wol; u8 port_width_cap[MLX4_MAX_PORTS + 1]; int max_gso_sz; int reserved_qps_cnt[MLX4_NUM_QP_REGION]; @@ -274,6 +275,7 @@ struct mlx4_caps { u8 supported_type[MLX4_MAX_PORTS + 1]; u32 port_mask; enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1]; + u32 max_counters; }; struct mlx4_buf_list { @@ -438,6 +440,17 @@ union mlx4_ext_av { struct mlx4_eth_av eth; }; +struct mlx4_counter { + u8 reserved1[3]; + u8 counter_mode; + __be32 num_ifc; + u32 reserved2[2]; + __be64 rx_frames; + __be64 rx_bytes; + __be64 tx_frames; + __be64 tx_bytes; +}; + struct mlx4_dev { struct pci_dev *pdev; unsigned long flags; @@ -568,4 +581,7 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec); int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); +int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx); +void mlx4_counter_free(struct mlx4_dev *dev, u32 idx); + #endif /* MLX4_DEVICE_H */ diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 9e9eb21056ca..4001c8249dbb 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -54,7 +54,8 @@ enum mlx4_qp_optpar { MLX4_QP_OPTPAR_RETRY_COUNT = 1 << 12, MLX4_QP_OPTPAR_RNR_RETRY = 1 << 13, MLX4_QP_OPTPAR_ACK_TIMEOUT = 1 << 14, - MLX4_QP_OPTPAR_SCHED_QUEUE = 1 << 16 + MLX4_QP_OPTPAR_SCHED_QUEUE = 1 << 16, + MLX4_QP_OPTPAR_COUNTER_INDEX = 1 << 20 }; enum mlx4_qp_state { @@ -99,7 +100,7 @@ struct mlx4_qp_path { u8 fl; u8 reserved1[2]; u8 pkey_index; - u8 reserved2; + u8 counter_index; u8 grh_mylmc; __be16 rlid; u8 ackto; @@ -111,8 +112,7 @@ struct mlx4_qp_path { u8 sched_queue; u8 vlan_index; u8 reserved3[2]; - u8 counter_index; - u8 reserved4; + u8 reserved4[2]; u8 dmac[6]; }; diff --git a/include/linux/mmc/boot.h b/include/linux/mmc/boot.h index 39d787c229cb..23acc3baa07d 100644 --- a/include/linux/mmc/boot.h +++ b/include/linux/mmc/boot.h @@ -1,7 +1,7 @@ -#ifndef MMC_BOOT_H -#define MMC_BOOT_H +#ifndef LINUX_MMC_BOOT_H +#define LINUX_MMC_BOOT_H enum { MMC_PROGRESS_ENTER, MMC_PROGRESS_INIT, MMC_PROGRESS_LOAD, MMC_PROGRESS_DONE }; -#endif +#endif /* LINUX_MMC_BOOT_H */ diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 6ad43554ac05..b460fc2af8a1 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -403,4 +403,4 @@ extern void mmc_unregister_driver(struct mmc_driver *); extern void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table); -#endif +#endif /* LINUX_MMC_CARD_H */ diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index b6718e549a51..b8b1b7a311f1 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -117,6 +117,7 @@ struct mmc_data { unsigned int sg_len; /* size of scatter list */ struct scatterlist *sg; /* I/O scatter list */ + s32 host_cookie; /* host private data */ }; struct mmc_request { @@ -125,13 +126,16 @@ struct mmc_request { struct mmc_data *data; struct mmc_command *stop; - void *done_data; /* completion data */ + struct completion completion; void (*done)(struct mmc_request *);/* completion function */ }; struct mmc_host; struct mmc_card; +struct mmc_async_req; +extern struct mmc_async_req *mmc_start_req(struct mmc_host *, + struct mmc_async_req *, int *); extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *); extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *); @@ -155,6 +159,7 @@ extern int mmc_can_trim(struct mmc_card *card); extern int mmc_can_secure_erase_trim(struct mmc_card *card); extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, unsigned int nr); +extern unsigned int mmc_calc_max_discard(struct mmc_card *card); extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); @@ -179,4 +184,4 @@ static inline void mmc_claim_host(struct mmc_host *host) extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max); -#endif +#endif /* LINUX_MMC_CORE_H */ diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index bdd7ceeb99e4..6b46819705d1 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -11,8 +11,8 @@ * (at your option) any later version. */ -#ifndef _LINUX_MMC_DW_MMC_H_ -#define _LINUX_MMC_DW_MMC_H_ +#ifndef LINUX_MMC_DW_MMC_H +#define LINUX_MMC_DW_MMC_H #define MAX_MCI_SLOTS 2 @@ -48,6 +48,7 @@ struct mmc_data; * @data: The data currently being transferred, or NULL if no data * transfer is in progress. * @use_dma: Whether DMA channel is initialized or not. + * @using_dma: Whether DMA is in use for the current transfer. * @sg_dma: Bus address of DMA buffer. * @sg_cpu: Virtual address of DMA buffer. * @dma_ops: Pointer to platform-specific DMA callbacks. @@ -74,7 +75,11 @@ struct mmc_data; * @pdev: Platform device associated with the MMC controller. * @pdata: Platform data associated with the MMC controller. * @slot: Slots sharing this MMC controller. + * @fifo_depth: depth of FIFO. * @data_shift: log2 of FIFO item size. + * @part_buf_start: Start index in part_buf. + * @part_buf_count: Bytes of partial data in part_buf. + * @part_buf: Simple buffer for partial fifo reads/writes. * @push_data: Pointer to FIFO push function. * @pull_data: Pointer to FIFO pull function. * @quirks: Set of quirks that apply to specific versions of the IP. @@ -117,6 +122,7 @@ struct dw_mci { /* DMA interface members*/ int use_dma; + int using_dma; dma_addr_t sg_dma; void *sg_cpu; @@ -131,7 +137,7 @@ struct dw_mci { u32 stop_cmdr; u32 dir_status; struct tasklet_struct tasklet; - struct tasklet_struct card_tasklet; + struct work_struct card_work; unsigned long pending_events; unsigned long completed_events; enum dw_mci_state state; @@ -146,7 +152,15 @@ struct dw_mci { struct dw_mci_slot *slot[MAX_MCI_SLOTS]; /* FIFO push and pull */ + int fifo_depth; int data_shift; + u8 part_buf_start; + u8 part_buf_count; + union { + u16 part_buf16; + u32 part_buf32; + u64 part_buf; + }; void (*push_data)(struct dw_mci *host, void *buf, int cnt); void (*pull_data)(struct dw_mci *host, void *buf, int cnt); @@ -196,6 +210,12 @@ struct dw_mci_board { unsigned int bus_hz; /* Bus speed */ unsigned int caps; /* Capabilities */ + /* + * Override fifo depth. If 0, autodetect it from the FIFOTH register, + * but note that this may not be reliable after a bootloader has used + * it. + */ + unsigned int fifo_depth; /* delay in mS before detecting cards after interrupt */ u32 detect_delay_ms; @@ -219,4 +239,4 @@ struct dw_mci_board { struct block_settings *blk_settings; }; -#endif /* _LINUX_MMC_DW_MMC_H_ */ +#endif /* LINUX_MMC_DW_MMC_H */ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 1ee4424462eb..0f83858147a6 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -106,6 +106,15 @@ struct mmc_host_ops { */ int (*enable)(struct mmc_host *host); int (*disable)(struct mmc_host *host, int lazy); + /* + * It is optional for the host to implement pre_req and post_req in + * order to support double buffering of requests (prepare one + * request while another request is active). + */ + void (*post_req)(struct mmc_host *host, struct mmc_request *req, + int err); + void (*pre_req)(struct mmc_host *host, struct mmc_request *req, + bool is_first_req); void (*request)(struct mmc_host *host, struct mmc_request *req); /* * Avoid calling these three functions too often or in a "fast path", @@ -139,11 +148,22 @@ struct mmc_host_ops { int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios); int (*execute_tuning)(struct mmc_host *host); void (*enable_preset_value)(struct mmc_host *host, bool enable); + int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); }; struct mmc_card; struct device; +struct mmc_async_req { + /* active mmc request */ + struct mmc_request *mrq; + /* + * Check error status of completed mmc request. + * Returns 0 if success otherwise non zero. + */ + int (*err_check) (struct mmc_card *, struct mmc_async_req *); +}; + struct mmc_host { struct device *parent; struct device class_dev; @@ -231,6 +251,7 @@ struct mmc_host { unsigned int max_req_size; /* maximum number of bytes in one req */ unsigned int max_blk_size; /* maximum size of one mmc block */ unsigned int max_blk_count; /* maximum number of blocks in one req */ + unsigned int max_discard_to; /* max. discard timeout in ms */ /* private data */ spinlock_t lock; /* lock for claim and bus ops */ @@ -281,6 +302,8 @@ struct mmc_host { struct dentry *debugfs_root; + struct mmc_async_req *areq; /* active async req */ + unsigned long private[0] ____cacheline_aligned; }; @@ -373,5 +396,4 @@ static inline int mmc_host_cmd23(struct mmc_host *host) { return host->caps & MMC_CAP_CMD23; } -#endif - +#endif /* LINUX_MMC_HOST_H */ diff --git a/include/linux/mmc/ioctl.h b/include/linux/mmc/ioctl.h index 5baf2983a12f..8fa5bc5f8059 100644 --- a/include/linux/mmc/ioctl.h +++ b/include/linux/mmc/ioctl.h @@ -51,4 +51,4 @@ struct mmc_ioc_cmd { * block device operations. */ #define MMC_IOC_MAX_BYTES (512L * 256) -#endif /* LINUX_MMC_IOCTL_H */ +#endif /* LINUX_MMC_IOCTL_H */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index ac26a685cca8..5a794cb503ea 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -21,8 +21,8 @@ * 15 May 2002 */ -#ifndef MMC_MMC_H -#define MMC_MMC_H +#ifndef LINUX_MMC_MMC_H +#define LINUX_MMC_MMC_H /* Standard MMC commands (4.1) type argument response */ /* class 1 */ @@ -140,6 +140,16 @@ static inline bool mmc_op_multi(u32 opcode) #define R1_SWITCH_ERROR (1 << 7) /* sx, c */ #define R1_APP_CMD (1 << 5) /* sr, c */ +#define R1_STATE_IDLE 0 +#define R1_STATE_READY 1 +#define R1_STATE_IDENT 2 +#define R1_STATE_STBY 3 +#define R1_STATE_TRAN 4 +#define R1_STATE_DATA 5 +#define R1_STATE_RCV 6 +#define R1_STATE_PRG 7 +#define R1_STATE_DIS 8 + /* * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS * R1 is the low order byte; R2 is the next highest byte, when present. @@ -327,5 +337,4 @@ struct _mmc_csd { #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */ #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ -#endif /* MMC_MMC_PROTOCOL_H */ - +#endif /* LINUX_MMC_MMC_H */ diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h index d37aac49cf9a..4a139204c20c 100644 --- a/include/linux/mmc/pm.h +++ b/include/linux/mmc/pm.h @@ -27,4 +27,4 @@ typedef unsigned int mmc_pm_flag_t; #define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */ #define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */ -#endif +#endif /* LINUX_MMC_PM_H */ diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h index 7d35d52c3df3..1ebcf9ba1256 100644 --- a/include/linux/mmc/sd.h +++ b/include/linux/mmc/sd.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SD_H -#define MMC_SD_H +#ifndef LINUX_MMC_SD_H +#define LINUX_MMC_SD_H /* SD commands type argument response */ /* class 0 */ @@ -91,5 +91,4 @@ #define SD_SWITCH_ACCESS_DEF 0 #define SD_SWITCH_ACCESS_HS 1 -#endif - +#endif /* LINUX_MMC_SD_H */ diff --git a/include/linux/mmc/sdhci-pltfm.h b/include/linux/mmc/sdhci-pltfm.h deleted file mode 100644 index 548d59d404cb..000000000000 --- a/include/linux/mmc/sdhci-pltfm.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Platform data declarations for the sdhci-pltfm driver. - * - * Copyright (c) 2010 MontaVista Software, LLC. - * - * Author: Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - */ - -#ifndef _SDHCI_PLTFM_H -#define _SDHCI_PLTFM_H - -struct sdhci_ops; -struct sdhci_host; - -/** - * struct sdhci_pltfm_data - SDHCI platform-specific information & hooks - * @ops: optional pointer to the platform-provided SDHCI ops - * @quirks: optional SDHCI quirks - * @init: optional hook that is called during device probe, before the - * driver tries to access any SDHCI registers - * @exit: optional hook that is called during device removal - */ -struct sdhci_pltfm_data { - struct sdhci_ops *ops; - unsigned int quirks; - int (*init)(struct sdhci_host *host, struct sdhci_pltfm_data *pdata); - void (*exit)(struct sdhci_host *host); -}; - -#endif /* _SDHCI_PLTFM_H */ diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h index 9188c973f3e1..5cdc96da9dd5 100644 --- a/include/linux/mmc/sdhci-spear.h +++ b/include/linux/mmc/sdhci-spear.h @@ -11,8 +11,8 @@ * warranty of any kind, whether express or implied. */ -#ifndef MMC_SDHCI_SPEAR_H -#define MMC_SDHCI_SPEAR_H +#ifndef LINUX_MMC_SDHCI_SPEAR_H +#define LINUX_MMC_SDHCI_SPEAR_H #include <linux/platform_device.h> /* @@ -39,4 +39,4 @@ sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data) pdev->dev.platform_data = data; } -#endif /* MMC_SDHCI_SPEAR_H */ +#endif /* LINUX_MMC_SDHCI_SPEAR_H */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index 6a68c4eb4e44..5666f3abfab7 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -8,8 +8,8 @@ * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. */ -#ifndef __SDHCI_H -#define __SDHCI_H +#ifndef LINUX_MMC_SDHCI_H +#define LINUX_MMC_SDHCI_H #include <linux/scatterlist.h> #include <linux/compiler.h> @@ -162,4 +162,4 @@ struct sdhci_host { unsigned long private[0] ____cacheline_aligned; }; -#endif /* __SDHCI_H */ +#endif /* LINUX_MMC_SDHCI_H */ diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h index 245cdacee544..2a2e9905a247 100644 --- a/include/linux/mmc/sdio.h +++ b/include/linux/mmc/sdio.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SDIO_H -#define MMC_SDIO_H +#ifndef LINUX_MMC_SDIO_H +#define LINUX_MMC_SDIO_H /* SDIO commands type argument response */ #define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */ @@ -161,5 +161,4 @@ #define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */ -#endif - +#endif /* LINUX_MMC_SDIO_H */ diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index 31baaf82f458..50f0bc952328 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SDIO_FUNC_H -#define MMC_SDIO_FUNC_H +#ifndef LINUX_MMC_SDIO_FUNC_H +#define LINUX_MMC_SDIO_FUNC_H #include <linux/device.h> #include <linux/mod_devicetable.h> @@ -161,5 +161,4 @@ extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func); extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags); -#endif - +#endif /* LINUX_MMC_SDIO_FUNC_H */ diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index a36ab3bc7b03..9f03feedc8e7 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -2,8 +2,8 @@ * SDIO Classes, Interface Types, Manufacturer IDs, etc. */ -#ifndef MMC_SDIO_IDS_H -#define MMC_SDIO_IDS_H +#ifndef LINUX_MMC_SDIO_IDS_H +#define LINUX_MMC_SDIO_IDS_H /* * Standard SDIO Function Interfaces @@ -44,4 +44,4 @@ #define SDIO_DEVICE_ID_SIANO_NOVA_A0 0x1100 #define SDIO_DEVICE_ID_SIANO_STELLAR 0x5347 -#endif +#endif /* LINUX_MMC_SDIO_IDS_H */ diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index 9eb9b4b96f55..0222cd8ebe76 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -11,8 +11,8 @@ * */ -#ifndef __SH_MMCIF_H__ -#define __SH_MMCIF_H__ +#ifndef LINUX_MMC_SH_MMCIF_H +#define LINUX_MMC_SH_MMCIF_H #include <linux/io.h> #include <linux/platform_device.h> @@ -220,4 +220,4 @@ static inline void sh_mmcif_boot_init(void __iomem *base) sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); } -#endif /* __SH_MMCIF_H__ */ +#endif /* LINUX_MMC_SH_MMCIF_H */ diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h index faf32b6ec185..bd50b365167f 100644 --- a/include/linux/mmc/sh_mobile_sdhi.h +++ b/include/linux/mmc/sh_mobile_sdhi.h @@ -1,5 +1,5 @@ -#ifndef __SH_MOBILE_SDHI_H__ -#define __SH_MOBILE_SDHI_H__ +#ifndef LINUX_MMC_SH_MOBILE_SDHI_H +#define LINUX_MMC_SH_MOBILE_SDHI_H #include <linux/types.h> @@ -17,4 +17,4 @@ struct sh_mobile_sdhi_info { int (*get_cd)(struct platform_device *pdev); }; -#endif /* __SH_MOBILE_SDHI_H__ */ +#endif /* LINUX_MMC_SH_MOBILE_SDHI_H */ diff --git a/include/linux/mmc/tmio.h b/include/linux/mmc/tmio.h index 19490b942db0..a1c1f321e519 100644 --- a/include/linux/mmc/tmio.h +++ b/include/linux/mmc/tmio.h @@ -12,8 +12,8 @@ * * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3 */ -#ifndef _LINUX_MMC_TMIO_H_ -#define _LINUX_MMC_TMIO_H_ +#ifndef LINUX_MMC_TMIO_H +#define LINUX_MMC_TMIO_H #define CTL_SD_CMD 0x00 #define CTL_ARG_REG 0x04 @@ -21,6 +21,7 @@ #define CTL_XFER_BLK_COUNT 0xa #define CTL_RESPONSE 0x0c #define CTL_STATUS 0x1c +#define CTL_STATUS2 0x1e #define CTL_IRQ_MASK 0x20 #define CTL_SD_CARD_CLK_CTL 0x24 #define CTL_SD_XFER_LEN 0x26 @@ -30,6 +31,7 @@ #define CTL_TRANSACTION_CTL 0x34 #define CTL_SDIO_STATUS 0x36 #define CTL_SDIO_IRQ_MASK 0x38 +#define CTL_DMA_ENABLE 0xd8 #define CTL_RESET_SD 0xe0 #define CTL_SDIO_REGS 0x100 #define CTL_CLK_AND_WAIT_CTL 0x138 @@ -60,4 +62,4 @@ #define TMIO_BBS 512 /* Boot block size */ -#endif /* _LINUX_MMC_TMIO_H_ */ +#endif /* LINUX_MMC_TMIO_H */ diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h index 15da0e99f48a..db4836bed514 100644 --- a/include/linux/mtd/ubi.h +++ b/include/linux/mtd/ubi.h @@ -155,12 +155,14 @@ struct ubi_device_info { }; /* - * enum - volume notification types. - * @UBI_VOLUME_ADDED: volume has been added - * @UBI_VOLUME_REMOVED: start volume volume - * @UBI_VOLUME_RESIZED: volume size has been re-sized - * @UBI_VOLUME_RENAMED: volume name has been re-named - * @UBI_VOLUME_UPDATED: volume name has been updated + * Volume notification types. + * @UBI_VOLUME_ADDED: a volume has been added (an UBI device was attached or a + * volume was created) + * @UBI_VOLUME_REMOVED: a volume has been removed (an UBI device was detached + * or a volume was removed) + * @UBI_VOLUME_RESIZED: a volume has been re-sized + * @UBI_VOLUME_RENAMED: a volume has been re-named + * @UBI_VOLUME_UPDATED: data has been written to a volume * * These constants define which type of event has happened when a volume * notification function is invoked. diff --git a/include/linux/of.h b/include/linux/of.h index bfc0ed1b0ced..bd716f8908de 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -195,6 +195,13 @@ extern struct device_node *of_find_node_with_property( extern struct property *of_find_property(const struct device_node *np, const char *name, int *lenp); +extern int of_property_read_u32_array(const struct device_node *np, + char *propname, + u32 *out_values, + size_t sz); + +extern int of_property_read_string(struct device_node *np, char *propname, + const char **out_string); extern int of_device_is_compatible(const struct device_node *device, const char *); extern int of_device_is_available(const struct device_node *device); @@ -227,12 +234,32 @@ extern void of_attach_node(struct device_node *); extern void of_detach_node(struct device_node *); #endif -#else +#else /* CONFIG_OF */ static inline bool of_have_populated_dt(void) { return false; } +static inline int of_property_read_u32_array(const struct device_node *np, + char *propname, u32 *out_values, size_t sz) +{ + return -ENOSYS; +} + +static inline int of_property_read_string(struct device_node *np, + char *propname, const char **out_string) +{ + return -ENOSYS; +} + #endif /* CONFIG_OF */ + +static inline int of_property_read_u32(const struct device_node *np, + char *propname, + u32 *out_value) +{ + return of_property_read_u32_array(np, propname, out_value, 1); +} + #endif /* _LINUX_OF_H */ diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 2feda6ee6140..3118623c2c1f 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -1,11 +1,16 @@ #ifndef __OF_ADDRESS_H #define __OF_ADDRESS_H #include <linux/ioport.h> +#include <linux/errno.h> #include <linux/of.h> extern u64 of_translate_address(struct device_node *np, const __be32 *addr); extern int of_address_to_resource(struct device_node *dev, int index, struct resource *r); +extern struct device_node *of_find_matching_node_by_address( + struct device_node *from, + const struct of_device_id *matches, + u64 base_address); extern void __iomem *of_iomap(struct device_node *device, int index); /* Extract an address from a device, returns the region size and diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index 6598c04dab01..aec8025c786a 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -46,8 +46,9 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) return container_of(gc, struct of_mm_gpio_chip, gc); } -extern int of_get_gpio_flags(struct device_node *np, int index, - enum of_gpio_flags *flags); +extern int of_get_named_gpio_flags(struct device_node *np, + const char *list_name, int index, enum of_gpio_flags *flags); + extern unsigned int of_gpio_count(struct device_node *np); extern int of_mm_gpiochip_add(struct device_node *np, @@ -60,8 +61,8 @@ extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np); #else /* CONFIG_OF_GPIO */ /* Drivers may not strictly depend on the GPIO support, so let them link. */ -static inline int of_get_gpio_flags(struct device_node *np, int index, - enum of_gpio_flags *flags) +static inline int of_get_named_gpio_flags(struct device_node *np, + const char *list_name, int index, enum of_gpio_flags *flags) { return -ENOSYS; } @@ -77,7 +78,38 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { } #endif /* CONFIG_OF_GPIO */ /** - * of_get_gpio - Get a GPIO number to use with GPIO API + * of_get_gpio_flags() - Get a GPIO number and flags to use with GPIO API + * @np: device node to get GPIO from + * @index: index of the GPIO + * @flags: a flags pointer to fill in + * + * Returns GPIO number to use with Linux generic GPIO API, or one of the errno + * value on the error condition. If @flags is not NULL the function also fills + * in flags for the GPIO. + */ +static inline int of_get_gpio_flags(struct device_node *np, int index, + enum of_gpio_flags *flags) +{ + return of_get_named_gpio_flags(np, "gpios", index, flags); +} + +/** + * of_get_named_gpio() - Get a GPIO number to use with GPIO API + * @np: device node to get GPIO from + * @propname: Name of property containing gpio specifier(s) + * @index: index of the GPIO + * + * Returns GPIO number to use with Linux generic GPIO API, or one of the errno + * value on the error condition. + */ +static inline int of_get_named_gpio(struct device_node *np, + const char *propname, int index) +{ + return of_get_named_gpio_flags(np, propname, index, NULL); +} + +/** + * of_get_gpio() - Get a GPIO number to use with GPIO API * @np: device node to get GPIO from * @index: index of the GPIO * diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index 85a27b650d76..f93e21700d3e 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -6,4 +6,9 @@ struct pci_dev; struct of_irq; int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); + +struct device_node; +struct device_node *of_pci_find_child_device(struct device_node *parent, + unsigned int devfn); + #endif diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index fb51ae38cea7..5a6f458a4bb7 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -20,6 +20,40 @@ #include <linux/platform_device.h> /** + * struct of_dev_auxdata - lookup table entry for device names & platform_data + * @compatible: compatible value of node to match against node + * @phys_addr: Start address of registers to match against node + * @name: Name to assign for matching nodes + * @platform_data: platform_data to assign for matching nodes + * + * This lookup table allows the caller of of_platform_populate() to override + * the names of devices when creating devices from the device tree. The table + * should be terminated with an empty entry. It also allows the platform_data + * pointer to be set. + * + * The reason for this functionality is that some Linux infrastructure uses + * the device name to look up a specific device, but the Linux-specific names + * are not encoded into the device tree, so the kernel needs to provide specific + * values. + * + * Note: Using an auxdata lookup table should be considered a last resort when + * converting a platform to use the DT. Normally the automatically generated + * device name will not matter, and drivers should obtain data from the device + * node instead of from an anonymouns platform_data pointer. + */ +struct of_dev_auxdata { + char *compatible; + resource_size_t phys_addr; + char *name; + void *platform_data; +}; + +/* Macro to simplify populating a lookup table */ +#define OF_DEV_AUXDATA(_compat,_phys,_name,_pdata) \ + { .compatible = _compat, .phys_addr = _phys, .name = _name, \ + .platform_data = _pdata } + +/** * of_platform_driver - Legacy of-aware driver for platform devices. * * An of_platform_driver driver is attached to a basic platform_device on @@ -40,6 +74,8 @@ struct of_platform_driver #define to_of_platform_driver(drv) \ container_of(drv,struct of_platform_driver, driver) +extern const struct of_device_id of_default_bus_match_table[]; + /* Platform drivers register/unregister */ extern struct platform_device *of_device_alloc(struct device_node *np, const char *bus_id, @@ -55,6 +91,10 @@ extern struct platform_device *of_platform_device_create(struct device_node *np, extern int of_platform_bus_probe(struct device_node *root, const struct of_device_id *matches, struct device *parent); +extern int of_platform_populate(struct device_node *root, + const struct of_device_id *matches, + const struct of_dev_auxdata *lookup, + struct device *parent); #endif /* !CONFIG_SPARC */ #endif /* CONFIG_OF_DEVICE */ diff --git a/include/linux/opp.h b/include/linux/opp.h index 5449945d589f..7020e9736fc5 100644 --- a/include/linux/opp.h +++ b/include/linux/opp.h @@ -94,12 +94,20 @@ static inline int opp_disable(struct device *dev, unsigned long freq) #if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) int opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table); +void opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); #else static inline int opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table) { return -EINVAL; } + +static inline +void opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table) +{ +} #endif /* CONFIG_CPU_FREQ */ #endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/pci.h b/include/linux/pci.h index c446b5ca2d38..2d292182dde5 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1589,5 +1589,33 @@ int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt); int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off, unsigned int len, const char *kw); +/* PCI <-> OF binding helpers */ +#ifdef CONFIG_OF +struct device_node; +extern void pci_set_of_node(struct pci_dev *dev); +extern void pci_release_of_node(struct pci_dev *dev); +extern void pci_set_bus_of_node(struct pci_bus *bus); +extern void pci_release_bus_of_node(struct pci_bus *bus); + +/* Arch may override this (weak) */ +extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus); + +static inline struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) +{ + return pdev ? pdev->dev.of_node : NULL; +} + +static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) +{ + return bus ? bus->dev.of_node : NULL; +} + +#else /* CONFIG_OF */ +static inline void pci_set_of_node(struct pci_dev *dev) { } +static inline void pci_release_of_node(struct pci_dev *dev) { } +static inline void pci_set_bus_of_node(struct pci_bus *bus) { } +static inline void pci_release_bus_of_node(struct pci_bus *bus) { } +#endif /* CONFIG_OF */ + #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */ diff --git a/include/linux/platform_data/pxa_sdhci.h b/include/linux/platform_data/pxa_sdhci.h new file mode 100644 index 000000000000..51ad0995abac --- /dev/null +++ b/include/linux/platform_data/pxa_sdhci.h @@ -0,0 +1,60 @@ +/* + * include/linux/platform_data/pxa_sdhci.h + * + * Copyright 2010 Marvell + * Zhangfei Gao <zhangfei.gao@marvell.com> + * + * PXA Platform - SDHCI platform data definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _PXA_SDHCI_H_ +#define _PXA_SDHCI_H_ + +/* pxa specific flag */ +/* Require clock free running */ +#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0) +/* card always wired to host, like on-chip emmc */ +#define PXA_FLAG_CARD_PERMANENT (1<<1) +/* Board design supports 8-bit data on SD/SDIO BUS */ +#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2) + +/* + * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI + * @flags: flags for platform requirement + * @clk_delay_cycles: + * mmp2: each step is roughly 100ps, 5bits width + * pxa910: each step is 1ns, 4bits width + * @clk_delay_sel: select clk_delay, used on pxa910 + * 0: choose feedback clk + * 1: choose feedback clk + delay value + * 2: choose internal clk + * @clk_delay_enable: enable clk_delay or not, used on pxa910 + * @ext_cd_gpio: gpio pin used for external CD line + * @ext_cd_gpio_invert: invert values for external CD gpio line + * @max_speed: the maximum speed supported + * @host_caps: Standard MMC host capabilities bit field. + * @quirks: quirks of platfrom + * @pm_caps: pm_caps of platfrom + */ +struct sdhci_pxa_platdata { + unsigned int flags; + unsigned int clk_delay_cycles; + unsigned int clk_delay_sel; + bool clk_delay_enable; + unsigned int ext_cd_gpio; + bool ext_cd_gpio_invert; + unsigned int max_speed; + unsigned int host_caps; + unsigned int quirks; + unsigned int pm_caps; +}; + +struct sdhci_pxa { + u8 clk_enable; + u8 power_mode; +}; +#endif /* _PXA_SDHCI_H_ */ diff --git a/include/linux/pm.h b/include/linux/pm.h index 411e4f4be52b..f7c84c9abd30 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -461,8 +461,8 @@ struct dev_pm_info { unsigned long active_jiffies; unsigned long suspended_jiffies; unsigned long accounting_timestamp; - void *subsys_data; /* Owned by the subsystem. */ #endif + void *subsys_data; /* Owned by the subsystem. */ }; extern void update_pm_runtime_accounting(struct device *dev); @@ -472,7 +472,7 @@ extern void update_pm_runtime_accounting(struct device *dev); * hibernation, system resume and during runtime PM transitions along with * subsystem-level and driver-level callbacks. */ -struct dev_power_domain { +struct dev_pm_domain { struct dev_pm_ops ops; }; @@ -553,11 +553,17 @@ extern void __suspend_report_result(const char *function, void *fn, int ret); extern int device_pm_wait_for_dev(struct device *sub, struct device *dev); extern int pm_generic_prepare(struct device *dev); +extern int pm_generic_suspend_noirq(struct device *dev); extern int pm_generic_suspend(struct device *dev); +extern int pm_generic_resume_noirq(struct device *dev); extern int pm_generic_resume(struct device *dev); +extern int pm_generic_freeze_noirq(struct device *dev); extern int pm_generic_freeze(struct device *dev); +extern int pm_generic_thaw_noirq(struct device *dev); extern int pm_generic_thaw(struct device *dev); +extern int pm_generic_restore_noirq(struct device *dev); extern int pm_generic_restore(struct device *dev); +extern int pm_generic_poweroff_noirq(struct device *dev); extern int pm_generic_poweroff(struct device *dev); extern void pm_generic_complete(struct device *dev); diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h new file mode 100644 index 000000000000..21097cb086fe --- /dev/null +++ b/include/linux/pm_domain.h @@ -0,0 +1,108 @@ +/* + * pm_domain.h - Definitions and headers related to device power domains. + * + * Copyright (C) 2011 Rafael J. Wysocki <rjw@sisk.pl>, Renesas Electronics Corp. + * + * This file is released under the GPLv2. + */ + +#ifndef _LINUX_PM_DOMAIN_H +#define _LINUX_PM_DOMAIN_H + +#include <linux/device.h> + +enum gpd_status { + GPD_STATE_ACTIVE = 0, /* PM domain is active */ + GPD_STATE_BUSY, /* Something is happening to the PM domain */ + GPD_STATE_REPEAT, /* Power off in progress, to be repeated */ + GPD_STATE_POWER_OFF, /* PM domain is off */ +}; + +struct dev_power_governor { + bool (*power_down_ok)(struct dev_pm_domain *domain); +}; + +struct generic_pm_domain { + struct dev_pm_domain domain; /* PM domain operations */ + struct list_head gpd_list_node; /* Node in the global PM domains list */ + struct list_head sd_node; /* Node in the parent's subdomain list */ + struct generic_pm_domain *parent; /* Parent PM domain */ + struct list_head sd_list; /* List of dubdomains */ + struct list_head dev_list; /* List of devices */ + struct mutex lock; + struct dev_power_governor *gov; + struct work_struct power_off_work; + unsigned int in_progress; /* Number of devices being suspended now */ + unsigned int sd_count; /* Number of subdomains with power "on" */ + enum gpd_status status; /* Current state of the domain */ + wait_queue_head_t status_wait_queue; + struct task_struct *poweroff_task; /* Powering off task */ + unsigned int resume_count; /* Number of devices being resumed */ + unsigned int device_count; /* Number of devices */ + unsigned int suspended_count; /* System suspend device counter */ + unsigned int prepared_count; /* Suspend counter of prepared devices */ + bool suspend_power_off; /* Power status before system suspend */ + int (*power_off)(struct generic_pm_domain *domain); + int (*power_on)(struct generic_pm_domain *domain); + int (*start_device)(struct device *dev); + int (*stop_device)(struct device *dev); + bool (*active_wakeup)(struct device *dev); +}; + +static inline struct generic_pm_domain *pd_to_genpd(struct dev_pm_domain *pd) +{ + return container_of(pd, struct generic_pm_domain, domain); +} + +struct dev_list_entry { + struct list_head node; + struct device *dev; + bool need_restore; +}; + +#ifdef CONFIG_PM_GENERIC_DOMAINS +extern int pm_genpd_add_device(struct generic_pm_domain *genpd, + struct device *dev); +extern int pm_genpd_remove_device(struct generic_pm_domain *genpd, + struct device *dev); +extern int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, + struct generic_pm_domain *new_subdomain); +extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, + struct generic_pm_domain *target); +extern void pm_genpd_init(struct generic_pm_domain *genpd, + struct dev_power_governor *gov, bool is_off); +extern int pm_genpd_poweron(struct generic_pm_domain *genpd); +extern void pm_genpd_poweroff_unused(void); +extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); +#else +static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, + struct device *dev) +{ + return -ENOSYS; +} +static inline int pm_genpd_remove_device(struct generic_pm_domain *genpd, + struct device *dev) +{ + return -ENOSYS; +} +static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, + struct generic_pm_domain *new_sd) +{ + return -ENOSYS; +} +static inline int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, + struct generic_pm_domain *target) +{ + return -ENOSYS; +} +static inline void pm_genpd_init(struct generic_pm_domain *genpd, + struct dev_power_governor *gov, bool is_off) {} +static inline int pm_genpd_poweron(struct generic_pm_domain *genpd) +{ + return -ENOSYS; +} +static inline void pm_genpd_poweroff_unused(void) {} +static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {} +#endif + +#endif /* _LINUX_PM_DOMAIN_H */ diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 878cf84baeb1..daac05d751b2 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -82,6 +82,11 @@ static inline bool pm_runtime_suspended(struct device *dev) && !dev->power.disable_depth; } +static inline bool pm_runtime_status_suspended(struct device *dev) +{ + return dev->power.runtime_status == RPM_SUSPENDED; +} + static inline bool pm_runtime_enabled(struct device *dev) { return !dev->power.disable_depth; @@ -130,6 +135,7 @@ static inline void pm_runtime_put_noidle(struct device *dev) {} static inline bool device_run_wake(struct device *dev) { return false; } static inline void device_set_run_wake(struct device *dev, bool enable) {} static inline bool pm_runtime_suspended(struct device *dev) { return false; } +static inline bool pm_runtime_status_suspended(struct device *dev) { return false; } static inline bool pm_runtime_enabled(struct device *dev) { return false; } static inline int pm_generic_runtime_idle(struct device *dev) { return 0; } @@ -247,41 +253,41 @@ static inline void pm_runtime_dont_use_autosuspend(struct device *dev) struct pm_clk_notifier_block { struct notifier_block nb; - struct dev_power_domain *pwr_domain; + struct dev_pm_domain *pm_domain; char *con_ids[]; }; -#ifdef CONFIG_PM_RUNTIME_CLK -extern int pm_runtime_clk_init(struct device *dev); -extern void pm_runtime_clk_destroy(struct device *dev); -extern int pm_runtime_clk_add(struct device *dev, const char *con_id); -extern void pm_runtime_clk_remove(struct device *dev, const char *con_id); -extern int pm_runtime_clk_suspend(struct device *dev); -extern int pm_runtime_clk_resume(struct device *dev); +#ifdef CONFIG_PM_CLK +extern int pm_clk_init(struct device *dev); +extern void pm_clk_destroy(struct device *dev); +extern int pm_clk_add(struct device *dev, const char *con_id); +extern void pm_clk_remove(struct device *dev, const char *con_id); +extern int pm_clk_suspend(struct device *dev); +extern int pm_clk_resume(struct device *dev); #else -static inline int pm_runtime_clk_init(struct device *dev) +static inline int pm_clk_init(struct device *dev) { return -EINVAL; } -static inline void pm_runtime_clk_destroy(struct device *dev) +static inline void pm_clk_destroy(struct device *dev) { } -static inline int pm_runtime_clk_add(struct device *dev, const char *con_id) +static inline int pm_clk_add(struct device *dev, const char *con_id) { return -EINVAL; } -static inline void pm_runtime_clk_remove(struct device *dev, const char *con_id) +static inline void pm_clk_remove(struct device *dev, const char *con_id) { } -#define pm_runtime_clock_suspend NULL -#define pm_runtime_clock_resume NULL +#define pm_clk_suspend NULL +#define pm_clk_resume NULL #endif #ifdef CONFIG_HAVE_CLK -extern void pm_runtime_clk_add_notifier(struct bus_type *bus, +extern void pm_clk_add_notifier(struct bus_type *bus, struct pm_clk_notifier_block *clknb); #else -static inline void pm_runtime_clk_add_notifier(struct bus_type *bus, +static inline void pm_clk_add_notifier(struct bus_type *bus, struct pm_clk_notifier_block *clknb) { } diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 9178d5cc0b01..800f113bea66 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -47,6 +47,13 @@ #define PTRACE_GETREGSET 0x4204 #define PTRACE_SETREGSET 0x4205 +#define PTRACE_SEIZE 0x4206 +#define PTRACE_INTERRUPT 0x4207 +#define PTRACE_LISTEN 0x4208 + +/* flags in @data for PTRACE_SEIZE */ +#define PTRACE_SEIZE_DEVEL 0x80000000 /* temp flag for development */ + /* options set using PTRACE_SETOPTIONS */ #define PTRACE_O_TRACESYSGOOD 0x00000001 #define PTRACE_O_TRACEFORK 0x00000002 @@ -65,6 +72,7 @@ #define PTRACE_EVENT_EXEC 4 #define PTRACE_EVENT_VFORK_DONE 5 #define PTRACE_EVENT_EXIT 6 +#define PTRACE_EVENT_STOP 7 #include <asm/ptrace.h> @@ -77,16 +85,22 @@ * flags. When the a task is stopped the ptracer owns task->ptrace. */ +#define PT_SEIZED 0x00010000 /* SEIZE used, enable new behavior */ #define PT_PTRACED 0x00000001 #define PT_DTRACE 0x00000002 /* delayed trace (used on m68k, i386) */ #define PT_TRACESYSGOOD 0x00000004 #define PT_PTRACE_CAP 0x00000008 /* ptracer can follow suid-exec */ -#define PT_TRACE_FORK 0x00000010 -#define PT_TRACE_VFORK 0x00000020 -#define PT_TRACE_CLONE 0x00000040 -#define PT_TRACE_EXEC 0x00000080 -#define PT_TRACE_VFORK_DONE 0x00000100 -#define PT_TRACE_EXIT 0x00000200 + +/* PT_TRACE_* event enable flags */ +#define PT_EVENT_FLAG_SHIFT 4 +#define PT_EVENT_FLAG(event) (1 << (PT_EVENT_FLAG_SHIFT + (event) - 1)) + +#define PT_TRACE_FORK PT_EVENT_FLAG(PTRACE_EVENT_FORK) +#define PT_TRACE_VFORK PT_EVENT_FLAG(PTRACE_EVENT_VFORK) +#define PT_TRACE_CLONE PT_EVENT_FLAG(PTRACE_EVENT_CLONE) +#define PT_TRACE_EXEC PT_EVENT_FLAG(PTRACE_EVENT_EXEC) +#define PT_TRACE_VFORK_DONE PT_EVENT_FLAG(PTRACE_EVENT_VFORK_DONE) +#define PT_TRACE_EXIT PT_EVENT_FLAG(PTRACE_EVENT_EXIT) #define PT_TRACE_MASK 0x000003f4 @@ -105,7 +119,7 @@ extern long arch_ptrace(struct task_struct *child, long request, extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); extern void ptrace_disable(struct task_struct *); -extern int ptrace_check_attach(struct task_struct *task, int kill); +extern int ptrace_check_attach(struct task_struct *task, bool ignore_state); extern int ptrace_request(struct task_struct *child, long request, unsigned long addr, unsigned long data); extern void ptrace_notify(int exit_code); @@ -122,7 +136,7 @@ extern bool ptrace_may_access(struct task_struct *task, unsigned int mode); static inline int ptrace_reparented(struct task_struct *child) { - return child->real_parent != child->parent; + return !same_thread_group(child->real_parent, child->parent); } static inline void ptrace_unlink(struct task_struct *child) @@ -137,36 +151,56 @@ int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr, unsigned long data); /** - * task_ptrace - return %PT_* flags that apply to a task - * @task: pointer to &task_struct in question + * ptrace_parent - return the task that is tracing the given task + * @task: task to consider * - * Returns the %PT_* flags that apply to @task. + * Returns %NULL if no one is tracing @task, or the &struct task_struct + * pointer to its tracer. + * + * Must called under rcu_read_lock(). The pointer returned might be kept + * live only by RCU. During exec, this may be called with task_lock() held + * on @task, still held from when check_unsafe_exec() was called. */ -static inline int task_ptrace(struct task_struct *task) +static inline struct task_struct *ptrace_parent(struct task_struct *task) { - return task->ptrace; + if (unlikely(task->ptrace)) + return rcu_dereference(task->parent); + return NULL; +} + +/** + * ptrace_event_enabled - test whether a ptrace event is enabled + * @task: ptracee of interest + * @event: %PTRACE_EVENT_* to test + * + * Test whether @event is enabled for ptracee @task. + * + * Returns %true if @event is enabled, %false otherwise. + */ +static inline bool ptrace_event_enabled(struct task_struct *task, int event) +{ + return task->ptrace & PT_EVENT_FLAG(event); } /** * ptrace_event - possibly stop for a ptrace event notification - * @mask: %PT_* bit to check in @current->ptrace - * @event: %PTRACE_EVENT_* value to report if @mask is set + * @event: %PTRACE_EVENT_* value to report * @message: value for %PTRACE_GETEVENTMSG to return * - * This checks the @mask bit to see if ptrace wants stops for this event. - * If so we stop, reporting @event and @message to the ptrace parent. - * - * Returns nonzero if we did a ptrace notification, zero if not. + * Check whether @event is enabled and, if so, report @event and @message + * to the ptrace parent. * * Called without locks. */ -static inline int ptrace_event(int mask, int event, unsigned long message) +static inline void ptrace_event(int event, unsigned long message) { - if (mask && likely(!(current->ptrace & mask))) - return 0; - current->ptrace_message = message; - ptrace_notify((event << 8) | SIGTRAP); - return 1; + if (unlikely(ptrace_event_enabled(current, event))) { + current->ptrace_message = message; + ptrace_notify((event << 8) | SIGTRAP); + } else if (event == PTRACE_EVENT_EXEC && unlikely(current->ptrace)) { + /* legacy EXEC report via SIGTRAP */ + send_sig(SIGTRAP, current, 0); + } } /** @@ -183,16 +217,24 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace) { INIT_LIST_HEAD(&child->ptrace_entry); INIT_LIST_HEAD(&child->ptraced); - child->parent = child->real_parent; +#ifdef CONFIG_HAVE_HW_BREAKPOINT + atomic_set(&child->ptrace_bp_refcnt, 1); +#endif + child->jobctl = 0; child->ptrace = 0; - if (unlikely(ptrace) && (current->ptrace & PT_PTRACED)) { + child->parent = child->real_parent; + + if (unlikely(ptrace) && current->ptrace) { child->ptrace = current->ptrace; __ptrace_link(child, current->parent); - } -#ifdef CONFIG_HAVE_HW_BREAKPOINT - atomic_set(&child->ptrace_bp_refcnt, 1); -#endif + if (child->ptrace & PT_SEIZED) + task_set_jobctl_pending(child, JOBCTL_TRAP_STOP); + else + sigaddset(&child->pending.signal, SIGSTOP); + + set_tsk_thread_flag(child, TIF_SIGPENDING); + } } /** diff --git a/include/linux/sched.h b/include/linux/sched.h index 496770a96487..f6ef727ee4fc 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -844,6 +844,7 @@ enum cpu_idle_type { #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ #define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */ #define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */ +#define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */ enum powersavings_balance_level { POWERSAVINGS_BALANCE_NONE = 0, /* No power saving load balance */ @@ -893,16 +894,21 @@ static inline int sd_power_saving_flags(void) return 0; } -struct sched_group { - struct sched_group *next; /* Must be a circular list */ +struct sched_group_power { atomic_t ref; - /* * CPU power of this group, SCHED_LOAD_SCALE being max power for a * single CPU. */ - unsigned int cpu_power, cpu_power_orig; + unsigned int power, power_orig; +}; + +struct sched_group { + struct sched_group *next; /* Must be a circular list */ + atomic_t ref; + unsigned int group_weight; + struct sched_group_power *sgp; /* * The CPUs this group covers. @@ -1254,6 +1260,9 @@ struct task_struct { #ifdef CONFIG_PREEMPT_RCU int rcu_read_lock_nesting; char rcu_read_unlock_special; +#if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) + int rcu_boosted; +#endif /* #if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) */ struct list_head rcu_node_entry; #endif /* #ifdef CONFIG_PREEMPT_RCU */ #ifdef CONFIG_TREE_PREEMPT_RCU @@ -1283,7 +1292,7 @@ struct task_struct { int exit_state; int exit_code, exit_signal; int pdeath_signal; /* The signal sent when the parent dies */ - unsigned int group_stop; /* GROUP_STOP_*, siglock protected */ + unsigned int jobctl; /* JOBCTL_*, siglock protected */ /* ??? */ unsigned int personality; unsigned did_exec:1; @@ -1804,15 +1813,34 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t * #define used_math() tsk_used_math(current) /* - * task->group_stop flags + * task->jobctl flags */ -#define GROUP_STOP_SIGMASK 0xffff /* signr of the last group stop */ -#define GROUP_STOP_PENDING (1 << 16) /* task should stop for group stop */ -#define GROUP_STOP_CONSUME (1 << 17) /* consume group stop count */ -#define GROUP_STOP_TRAPPING (1 << 18) /* switching from STOPPED to TRACED */ -#define GROUP_STOP_DEQUEUED (1 << 19) /* stop signal dequeued */ - -extern void task_clear_group_stop_pending(struct task_struct *task); +#define JOBCTL_STOP_SIGMASK 0xffff /* signr of the last group stop */ + +#define JOBCTL_STOP_DEQUEUED_BIT 16 /* stop signal dequeued */ +#define JOBCTL_STOP_PENDING_BIT 17 /* task should stop for group stop */ +#define JOBCTL_STOP_CONSUME_BIT 18 /* consume group stop count */ +#define JOBCTL_TRAP_STOP_BIT 19 /* trap for STOP */ +#define JOBCTL_TRAP_NOTIFY_BIT 20 /* trap for NOTIFY */ +#define JOBCTL_TRAPPING_BIT 21 /* switching to TRACED */ +#define JOBCTL_LISTENING_BIT 22 /* ptracer is listening for events */ + +#define JOBCTL_STOP_DEQUEUED (1 << JOBCTL_STOP_DEQUEUED_BIT) +#define JOBCTL_STOP_PENDING (1 << JOBCTL_STOP_PENDING_BIT) +#define JOBCTL_STOP_CONSUME (1 << JOBCTL_STOP_CONSUME_BIT) +#define JOBCTL_TRAP_STOP (1 << JOBCTL_TRAP_STOP_BIT) +#define JOBCTL_TRAP_NOTIFY (1 << JOBCTL_TRAP_NOTIFY_BIT) +#define JOBCTL_TRAPPING (1 << JOBCTL_TRAPPING_BIT) +#define JOBCTL_LISTENING (1 << JOBCTL_LISTENING_BIT) + +#define JOBCTL_TRAP_MASK (JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY) +#define JOBCTL_PENDING_MASK (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK) + +extern bool task_set_jobctl_pending(struct task_struct *task, + unsigned int mask); +extern void task_clear_jobctl_trapping(struct task_struct *task); +extern void task_clear_jobctl_pending(struct task_struct *task, + unsigned int mask); #ifdef CONFIG_PREEMPT_RCU @@ -2127,7 +2155,7 @@ static inline int dequeue_signal_lock(struct task_struct *tsk, sigset_t *mask, s spin_unlock_irqrestore(&tsk->sighand->siglock, flags); return ret; -} +} extern void block_all_signals(int (*notifier)(void *priv), void *priv, sigset_t *mask); @@ -2142,7 +2170,7 @@ extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_ extern int kill_pgrp(struct pid *pid, int sig, int priv); extern int kill_pid(struct pid *pid, int sig, int priv); extern int kill_proc_info(int, struct siginfo *, pid_t); -extern int do_notify_parent(struct task_struct *, int); +extern __must_check bool do_notify_parent(struct task_struct *, int); extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent); extern void force_sig(int, struct task_struct *); extern int send_sig(int, struct task_struct *, int); @@ -2266,8 +2294,10 @@ static inline int get_nr_threads(struct task_struct *tsk) return tsk->signal->nr_threads; } -/* de_thread depends on thread_group_leader not being a pid based check */ -#define thread_group_leader(p) (p == p->group_leader) +static inline bool thread_group_leader(struct task_struct *p) +{ + return p->exit_signal >= 0; +} /* Do to the insanities of de_thread it is possible for a process * to have the pid of the thread group leader without actually being @@ -2300,11 +2330,6 @@ static inline int thread_group_empty(struct task_struct *p) #define delay_group_leader(p) \ (thread_group_leader(p) && !thread_group_empty(p)) -static inline int task_detached(struct task_struct *p) -{ - return p->exit_signal == -1; -} - /* * Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring * subscriptions and synchronises with wait4(). Also used in procfs. Also diff --git a/include/linux/slab.h b/include/linux/slab.h index ad4dd1c8d30a..573c809c33d9 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -134,6 +134,26 @@ unsigned int kmem_cache_size(struct kmem_cache *); #define KMALLOC_MAX_ORDER (KMALLOC_SHIFT_HIGH - PAGE_SHIFT) /* + * Some archs want to perform DMA into kmalloc caches and need a guaranteed + * alignment larger than the alignment of a 64-bit integer. + * Setting ARCH_KMALLOC_MINALIGN in arch headers allows that. + */ +#ifdef ARCH_DMA_MINALIGN +#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN +#else +#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) +#endif + +/* + * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. + * Intended for arches that get misalignment faults even for 64 bit integer + * aligned buffers. + */ +#ifndef ARCH_SLAB_MINALIGN +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) +#endif + +/* * Common kmalloc functions provided by all allocators */ void * __must_check __krealloc(const void *, size_t, gfp_t); diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 83203ae9390b..d00e0bacda93 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -18,53 +18,25 @@ #include <trace/events/kmem.h> /* - * Enforce a minimum alignment for the kmalloc caches. - * Usually, the kmalloc caches are cache_line_size() aligned, except when - * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned. - * Some archs want to perform DMA into kmalloc caches and need a guaranteed - * alignment larger than the alignment of a 64-bit integer. - * ARCH_KMALLOC_MINALIGN allows that. - * Note that increasing this value may disable some debug features. - */ -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -/* - * Enforce a minimum alignment for all caches. - * Intended for archs that get misalignment faults even for BYTES_PER_WORD - * aligned buffers. Includes ARCH_KMALLOC_MINALIGN. - * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables - * some debug features. - */ -#define ARCH_SLAB_MINALIGN 0 -#endif - -/* * struct kmem_cache * * manages a cache. */ struct kmem_cache { -/* 1) per-cpu data, touched during every alloc/free */ - struct array_cache *array[NR_CPUS]; -/* 2) Cache tunables. Protected by cache_chain_mutex */ +/* 1) Cache tunables. Protected by cache_chain_mutex */ unsigned int batchcount; unsigned int limit; unsigned int shared; unsigned int buffer_size; u32 reciprocal_buffer_size; -/* 3) touched by every alloc & free from the backend */ +/* 2) touched by every alloc & free from the backend */ unsigned int flags; /* constant flags */ unsigned int num; /* # of objs per slab */ -/* 4) cache_grow/shrink */ +/* 3) cache_grow/shrink */ /* order of pgs per slab (2^n) */ unsigned int gfporder; @@ -80,11 +52,11 @@ struct kmem_cache { /* constructor func */ void (*ctor)(void *obj); -/* 5) cache creation/removal */ +/* 4) cache creation/removal */ const char *name; struct list_head next; -/* 6) statistics */ +/* 5) statistics */ #ifdef CONFIG_DEBUG_SLAB unsigned long num_active; unsigned long num_allocations; @@ -111,16 +83,18 @@ struct kmem_cache { int obj_size; #endif /* CONFIG_DEBUG_SLAB */ +/* 6) per-cpu/per-node data, touched during every alloc/free */ /* - * We put nodelists[] at the end of kmem_cache, because we want to size - * this array to nr_node_ids slots instead of MAX_NUMNODES + * We put array[] at the end of kmem_cache, because we want to size + * this array to nr_cpu_ids slots instead of NR_CPUS * (see kmem_cache_init()) - * We still use [MAX_NUMNODES] and not [1] or [0] because cache_cache - * is statically defined, so we reserve the max number of nodes. + * We still use [NR_CPUS] and not [1] or [0] because cache_cache + * is statically defined, so we reserve the max number of cpus. */ - struct kmem_list3 *nodelists[MAX_NUMNODES]; + struct kmem_list3 **nodelists; + struct array_cache *array[NR_CPUS]; /* - * Do not add fields after nodelists[] + * Do not add fields after array[] */ }; diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h index 4382db09df4f..0ec00b39d006 100644 --- a/include/linux/slob_def.h +++ b/include/linux/slob_def.h @@ -1,16 +1,6 @@ #ifndef __LINUX_SLOB_DEF_H #define __LINUX_SLOB_DEF_H -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long) -#endif - void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep, diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index c8668d161dd8..4b35c06dfbc5 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -113,16 +113,6 @@ struct kmem_cache { #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE) -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) -#endif - /* * Maximum kmalloc object size handled by SLUB. Larger object allocations * are passed through to the page allocator. The page allocator "fastpath" @@ -228,6 +218,19 @@ kmalloc_order(size_t size, gfp_t flags, unsigned int order) return ret; } +/** + * Calling this on allocated memory will check that the memory + * is expected to be in use, and print warnings if not. + */ +#ifdef CONFIG_SLUB_DEBUG +extern bool verify_mem_not_deleted(const void *x); +#else +static inline bool verify_mem_not_deleted(const void *x) +{ + return true; +} +#endif + #ifdef CONFIG_TRACING extern void * kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size); diff --git a/include/linux/spi/74x164.h b/include/linux/spi/74x164.h index d85c52f294a0..0aa6acc73317 100644 --- a/include/linux/spi/74x164.h +++ b/include/linux/spi/74x164.h @@ -1,8 +1,6 @@ #ifndef LINUX_SPI_74X164_H #define LINUX_SPI_74X164_H -#define GEN_74X164_DRIVER_NAME "74x164" - struct gen_74x164_chip_platform_data { /* number assigned to the first GPIO */ unsigned base; diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h index c42cff8ca191..2d676d5aaa89 100644 --- a/include/linux/spi/mcp23s08.h +++ b/include/linux/spi/mcp23s08.h @@ -22,13 +22,4 @@ struct mcp23s08_platform_data { * base to base+15 (or base+31 for s17 variant). */ unsigned base; - - void *context; /* param to setup/teardown */ - - int (*setup)(struct spi_device *spi, - int gpio, unsigned ngpio, - void *context); - int (*teardown)(struct spi_device *spi, - int gpio, unsigned ngpio, - void *context); }; diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 083ffea7ba18..e1e3742733be 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -92,6 +92,13 @@ typedef int __bitwise suspend_state_t; * @enter() and @wake(), even if any of them fails. It is executed after * a failing @prepare. * + * @suspend_again: Returns whether the system should suspend again (true) or + * not (false). If the platform wants to poll sensors or execute some + * code during suspended without invoking userspace and most of devices, + * suspend_again callback is the place assuming that periodic-wakeup or + * alarm-wakeup is already setup. This allows to execute some codes while + * being kept suspended in the view of userland and devices. + * * @end: Called by the PM core right after resuming devices, to indicate to * the platform that the system has returned to the working state or * the transition to the sleep state has been aborted. @@ -113,6 +120,7 @@ struct platform_suspend_ops { int (*enter)(suspend_state_t state); void (*wake)(void); void (*finish)(void); + bool (*suspend_again)(void); void (*end)(void); void (*recover)(void); }; diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index e95f5236611f..a71a2927a6a0 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -51,27 +51,12 @@ #include <linux/security.h> struct linux_binprm; -/** - * tracehook_expect_breakpoints - guess if task memory might be touched - * @task: current task, making a new mapping - * - * Return nonzero if @task is expected to want breakpoint insertion in - * its memory at some point. A zero return is no guarantee it won't - * be done, but this is a hint that it's known to be likely. - * - * May be called with @task->mm->mmap_sem held for writing. - */ -static inline int tracehook_expect_breakpoints(struct task_struct *task) -{ - return (task_ptrace(task) & PT_PTRACED) != 0; -} - /* * ptrace report for syscall entry and exit looks identical. */ static inline void ptrace_report_syscall(struct pt_regs *regs) { - int ptrace = task_ptrace(current); + int ptrace = current->ptrace; if (!(ptrace & PT_PTRACED)) return; @@ -145,229 +130,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step) } /** - * tracehook_unsafe_exec - check for exec declared unsafe due to tracing - * @task: current task doing exec - * - * Return %LSM_UNSAFE_* bits applied to an exec because of tracing. - * - * @task->signal->cred_guard_mutex is held by the caller through the do_execve(). - */ -static inline int tracehook_unsafe_exec(struct task_struct *task) -{ - int unsafe = 0; - int ptrace = task_ptrace(task); - if (ptrace & PT_PTRACED) { - if (ptrace & PT_PTRACE_CAP) - unsafe |= LSM_UNSAFE_PTRACE_CAP; - else - unsafe |= LSM_UNSAFE_PTRACE; - } - return unsafe; -} - -/** - * tracehook_tracer_task - return the task that is tracing the given task - * @tsk: task to consider - * - * Returns NULL if no one is tracing @task, or the &struct task_struct - * pointer to its tracer. - * - * Must called under rcu_read_lock(). The pointer returned might be kept - * live only by RCU. During exec, this may be called with task_lock() - * held on @task, still held from when tracehook_unsafe_exec() was called. - */ -static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk) -{ - if (task_ptrace(tsk) & PT_PTRACED) - return rcu_dereference(tsk->parent); - return NULL; -} - -/** - * tracehook_report_exec - a successful exec was completed - * @fmt: &struct linux_binfmt that performed the exec - * @bprm: &struct linux_binprm containing exec details - * @regs: user-mode register state - * - * An exec just completed, we are shortly going to return to user mode. - * The freshly initialized register state can be seen and changed in @regs. - * The name, file and other pointers in @bprm are still on hand to be - * inspected, but will be freed as soon as this returns. - * - * Called with no locks, but with some kernel resources held live - * and a reference on @fmt->module. - */ -static inline void tracehook_report_exec(struct linux_binfmt *fmt, - struct linux_binprm *bprm, - struct pt_regs *regs) -{ - if (!ptrace_event(PT_TRACE_EXEC, PTRACE_EVENT_EXEC, 0) && - unlikely(task_ptrace(current) & PT_PTRACED)) - send_sig(SIGTRAP, current, 0); -} - -/** - * tracehook_report_exit - task has begun to exit - * @exit_code: pointer to value destined for @current->exit_code - * - * @exit_code points to the value passed to do_exit(), which tracing - * might change here. This is almost the first thing in do_exit(), - * before freeing any resources or setting the %PF_EXITING flag. - * - * Called with no locks held. - */ -static inline void tracehook_report_exit(long *exit_code) -{ - ptrace_event(PT_TRACE_EXIT, PTRACE_EVENT_EXIT, *exit_code); -} - -/** - * tracehook_prepare_clone - prepare for new child to be cloned - * @clone_flags: %CLONE_* flags from clone/fork/vfork system call - * - * This is called before a new user task is to be cloned. - * Its return value will be passed to tracehook_finish_clone(). - * - * Called with no locks held. - */ -static inline int tracehook_prepare_clone(unsigned clone_flags) -{ - if (clone_flags & CLONE_UNTRACED) - return 0; - - if (clone_flags & CLONE_VFORK) { - if (current->ptrace & PT_TRACE_VFORK) - return PTRACE_EVENT_VFORK; - } else if ((clone_flags & CSIGNAL) != SIGCHLD) { - if (current->ptrace & PT_TRACE_CLONE) - return PTRACE_EVENT_CLONE; - } else if (current->ptrace & PT_TRACE_FORK) - return PTRACE_EVENT_FORK; - - return 0; -} - -/** - * tracehook_finish_clone - new child created and being attached - * @child: new child task - * @clone_flags: %CLONE_* flags from clone/fork/vfork system call - * @trace: return value from tracehook_prepare_clone() - * - * This is called immediately after adding @child to its parent's children list. - * The @trace value is that returned by tracehook_prepare_clone(). - * - * Called with current's siglock and write_lock_irq(&tasklist_lock) held. - */ -static inline void tracehook_finish_clone(struct task_struct *child, - unsigned long clone_flags, int trace) -{ - ptrace_init_task(child, (clone_flags & CLONE_PTRACE) || trace); -} - -/** - * tracehook_report_clone - in parent, new child is about to start running - * @regs: parent's user register state - * @clone_flags: flags from parent's system call - * @pid: new child's PID in the parent's namespace - * @child: new child task - * - * Called after a child is set up, but before it has been started running. - * This is not a good place to block, because the child has not started - * yet. Suspend the child here if desired, and then block in - * tracehook_report_clone_complete(). This must prevent the child from - * self-reaping if tracehook_report_clone_complete() uses the @child - * pointer; otherwise it might have died and been released by the time - * tracehook_report_clone_complete() is called. - * - * Called with no locks held, but the child cannot run until this returns. - */ -static inline void tracehook_report_clone(struct pt_regs *regs, - unsigned long clone_flags, - pid_t pid, struct task_struct *child) -{ - if (unlikely(task_ptrace(child))) { - /* - * It doesn't matter who attached/attaching to this - * task, the pending SIGSTOP is right in any case. - */ - sigaddset(&child->pending.signal, SIGSTOP); - set_tsk_thread_flag(child, TIF_SIGPENDING); - } -} - -/** - * tracehook_report_clone_complete - new child is running - * @trace: return value from tracehook_prepare_clone() - * @regs: parent's user register state - * @clone_flags: flags from parent's system call - * @pid: new child's PID in the parent's namespace - * @child: child task, already running - * - * This is called just after the child has started running. This is - * just before the clone/fork syscall returns, or blocks for vfork - * child completion if @clone_flags has the %CLONE_VFORK bit set. - * The @child pointer may be invalid if a self-reaping child died and - * tracehook_report_clone() took no action to prevent it from self-reaping. - * - * Called with no locks held. - */ -static inline void tracehook_report_clone_complete(int trace, - struct pt_regs *regs, - unsigned long clone_flags, - pid_t pid, - struct task_struct *child) -{ - if (unlikely(trace)) - ptrace_event(0, trace, pid); -} - -/** - * tracehook_report_vfork_done - vfork parent's child has exited or exec'd - * @child: child task, already running - * @pid: new child's PID in the parent's namespace - * - * Called after a %CLONE_VFORK parent has waited for the child to complete. - * The clone/vfork system call will return immediately after this. - * The @child pointer may be invalid if a self-reaping child died and - * tracehook_report_clone() took no action to prevent it from self-reaping. - * - * Called with no locks held. - */ -static inline void tracehook_report_vfork_done(struct task_struct *child, - pid_t pid) -{ - ptrace_event(PT_TRACE_VFORK_DONE, PTRACE_EVENT_VFORK_DONE, pid); -} - -/** - * tracehook_prepare_release_task - task is being reaped, clean up tracing - * @task: task in %EXIT_DEAD state - * - * This is called in release_task() just before @task gets finally reaped - * and freed. This would be the ideal place to remove and clean up any - * tracing-related state for @task. - * - * Called with no locks held. - */ -static inline void tracehook_prepare_release_task(struct task_struct *task) -{ -} - -/** - * tracehook_finish_release_task - final tracing clean-up - * @task: task in %EXIT_DEAD state - * - * This is called in release_task() when @task is being in the middle of - * being reaped. After this, there must be no tracing entanglements. - * - * Called with write_lock_irq(&tasklist_lock) held. - */ -static inline void tracehook_finish_release_task(struct task_struct *task) -{ - ptrace_release_task(task); -} - -/** * tracehook_signal_handler - signal handler setup is complete * @sig: number of signal being delivered * @info: siginfo_t of signal being delivered @@ -390,151 +152,6 @@ static inline void tracehook_signal_handler(int sig, siginfo_t *info, ptrace_notify(SIGTRAP); } -/** - * tracehook_consider_ignored_signal - suppress short-circuit of ignored signal - * @task: task receiving the signal - * @sig: signal number being sent - * - * Return zero iff tracing doesn't care to examine this ignored signal, - * so it can short-circuit normal delivery and never even get queued. - * - * Called with @task->sighand->siglock held. - */ -static inline int tracehook_consider_ignored_signal(struct task_struct *task, - int sig) -{ - return (task_ptrace(task) & PT_PTRACED) != 0; -} - -/** - * tracehook_consider_fatal_signal - suppress special handling of fatal signal - * @task: task receiving the signal - * @sig: signal number being sent - * - * Return nonzero to prevent special handling of this termination signal. - * Normally handler for signal is %SIG_DFL. It can be %SIG_IGN if @sig is - * ignored, in which case force_sig() is about to reset it to %SIG_DFL. - * When this returns zero, this signal might cause a quick termination - * that does not give the debugger a chance to intercept the signal. - * - * Called with or without @task->sighand->siglock held. - */ -static inline int tracehook_consider_fatal_signal(struct task_struct *task, - int sig) -{ - return (task_ptrace(task) & PT_PTRACED) != 0; -} - -/** - * tracehook_force_sigpending - let tracing force signal_pending(current) on - * - * Called when recomputing our signal_pending() flag. Return nonzero - * to force the signal_pending() flag on, so that tracehook_get_signal() - * will be called before the next return to user mode. - * - * Called with @current->sighand->siglock held. - */ -static inline int tracehook_force_sigpending(void) -{ - return 0; -} - -/** - * tracehook_get_signal - deliver synthetic signal to traced task - * @task: @current - * @regs: task_pt_regs(@current) - * @info: details of synthetic signal - * @return_ka: sigaction for synthetic signal - * - * Return zero to check for a real pending signal normally. - * Return -1 after releasing the siglock to repeat the check. - * Return a signal number to induce an artificial signal delivery, - * setting *@info and *@return_ka to specify its details and behavior. - * - * The @return_ka->sa_handler value controls the disposition of the - * signal, no matter the signal number. For %SIG_DFL, the return value - * is a representative signal to indicate the behavior (e.g. %SIGTERM - * for death, %SIGQUIT for core dump, %SIGSTOP for job control stop, - * %SIGTSTP for stop unless in an orphaned pgrp), but the signal number - * reported will be @info->si_signo instead. - * - * Called with @task->sighand->siglock held, before dequeuing pending signals. - */ -static inline int tracehook_get_signal(struct task_struct *task, - struct pt_regs *regs, - siginfo_t *info, - struct k_sigaction *return_ka) -{ - return 0; -} - -/** - * tracehook_finish_jctl - report about return from job control stop - * - * This is called by do_signal_stop() after wakeup. - */ -static inline void tracehook_finish_jctl(void) -{ -} - -#define DEATH_REAP -1 -#define DEATH_DELAYED_GROUP_LEADER -2 - -/** - * tracehook_notify_death - task is dead, ready to notify parent - * @task: @current task now exiting - * @death_cookie: value to pass to tracehook_report_death() - * @group_dead: nonzero if this was the last thread in the group to die - * - * A return value >= 0 means call do_notify_parent() with that signal - * number. Negative return value can be %DEATH_REAP to self-reap right - * now, or %DEATH_DELAYED_GROUP_LEADER to a zombie without notifying our - * parent. Note that a return value of 0 means a do_notify_parent() call - * that sends no signal, but still wakes up a parent blocked in wait*(). - * - * Called with write_lock_irq(&tasklist_lock) held. - */ -static inline int tracehook_notify_death(struct task_struct *task, - void **death_cookie, int group_dead) -{ - if (task_detached(task)) - return task->ptrace ? SIGCHLD : DEATH_REAP; - - /* - * If something other than our normal parent is ptracing us, then - * send it a SIGCHLD instead of honoring exit_signal. exit_signal - * only has special meaning to our real parent. - */ - if (thread_group_empty(task) && !ptrace_reparented(task)) - return task->exit_signal; - - return task->ptrace ? SIGCHLD : DEATH_DELAYED_GROUP_LEADER; -} - -/** - * tracehook_report_death - task is dead and ready to be reaped - * @task: @current task now exiting - * @signal: return value from tracheook_notify_death() - * @death_cookie: value passed back from tracehook_notify_death() - * @group_dead: nonzero if this was the last thread in the group to die - * - * Thread has just become a zombie or is about to self-reap. If positive, - * @signal is the signal number just sent to the parent (usually %SIGCHLD). - * If @signal is %DEATH_REAP, this thread will self-reap. If @signal is - * %DEATH_DELAYED_GROUP_LEADER, this is a delayed_group_leader() zombie. - * The @death_cookie was passed back by tracehook_notify_death(). - * - * If normal reaping is not inhibited, @task->exit_state might be changing - * in parallel. - * - * Called without locks. - */ -static inline void tracehook_report_death(struct task_struct *task, - int signal, void *death_cookie, - int group_dead) -{ -} - #ifdef TIF_NOTIFY_RESUME /** * set_notify_resume - cause tracehook_notify_resume() to be called diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index f584aba78ca9..2be2887c6958 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -255,7 +255,7 @@ enum { WQ_HIGHPRI = 1 << 4, /* high priority */ WQ_CPU_INTENSIVE = 1 << 5, /* cpu instensive workqueue */ - WQ_DYING = 1 << 6, /* internal: workqueue is dying */ + WQ_DRAINING = 1 << 6, /* internal: workqueue is draining */ WQ_RESCUER = 1 << 7, /* internal: workqueue has rescuer */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ @@ -355,6 +355,7 @@ extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq, struct delayed_work *work, unsigned long delay); extern void flush_workqueue(struct workqueue_struct *wq); +extern void drain_workqueue(struct workqueue_struct *wq); extern void flush_scheduled_work(void); extern int schedule_work(struct work_struct *work); @@ -412,21 +413,6 @@ static inline bool __cancel_delayed_work(struct delayed_work *work) return ret; } -/* Obsolete. use cancel_delayed_work_sync() */ -static inline __deprecated -void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq, - struct delayed_work *work) -{ - cancel_delayed_work_sync(work); -} - -/* Obsolete. use cancel_delayed_work_sync() */ -static inline __deprecated -void cancel_rearming_delayed_work(struct delayed_work *work) -{ - cancel_delayed_work_sync(work); -} - #ifndef CONFIG_SMP static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg) { diff --git a/include/rdma/ib_pma.h b/include/rdma/ib_pma.h new file mode 100644 index 000000000000..a5889f18807b --- /dev/null +++ b/include/rdma/ib_pma.h @@ -0,0 +1,156 @@ +/* + * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation. + * All rights reserved. + * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(IB_PMA_H) +#define IB_PMA_H + +#include <rdma/ib_mad.h> + +/* + * PMA class portinfo capability mask bits + */ +#define IB_PMA_CLASS_CAP_ALLPORTSELECT cpu_to_be16(1 << 8) +#define IB_PMA_CLASS_CAP_EXT_WIDTH cpu_to_be16(1 << 9) +#define IB_PMA_CLASS_CAP_XMIT_WAIT cpu_to_be16(1 << 12) + +#define IB_PMA_CLASS_PORT_INFO cpu_to_be16(0x0001) +#define IB_PMA_PORT_SAMPLES_CONTROL cpu_to_be16(0x0010) +#define IB_PMA_PORT_SAMPLES_RESULT cpu_to_be16(0x0011) +#define IB_PMA_PORT_COUNTERS cpu_to_be16(0x0012) +#define IB_PMA_PORT_COUNTERS_EXT cpu_to_be16(0x001D) +#define IB_PMA_PORT_SAMPLES_RESULT_EXT cpu_to_be16(0x001E) + +struct ib_pma_mad { + struct ib_mad_hdr mad_hdr; + u8 reserved[40]; + u8 data[192]; +} __packed; + +struct ib_pma_portsamplescontrol { + u8 opcode; + u8 port_select; + u8 tick; + u8 counter_width; /* resv: 7:3, counter width: 2:0 */ + __be32 counter_mask0_9; /* 2, 10 3-bit fields */ + __be16 counter_mask10_14; /* 1, 5 3-bit fields */ + u8 sample_mechanisms; + u8 sample_status; /* only lower 2 bits */ + __be64 option_mask; + __be64 vendor_mask; + __be32 sample_start; + __be32 sample_interval; + __be16 tag; + __be16 counter_select[15]; + __be32 reserved1; + __be64 samples_only_option_mask; + __be32 reserved2[28]; +}; + +struct ib_pma_portsamplesresult { + __be16 tag; + __be16 sample_status; /* only lower 2 bits */ + __be32 counter[15]; +}; + +struct ib_pma_portsamplesresult_ext { + __be16 tag; + __be16 sample_status; /* only lower 2 bits */ + __be32 extended_width; /* only upper 2 bits */ + __be64 counter[15]; +}; + +struct ib_pma_portcounters { + u8 reserved; + u8 port_select; + __be16 counter_select; + __be16 symbol_error_counter; + u8 link_error_recovery_counter; + u8 link_downed_counter; + __be16 port_rcv_errors; + __be16 port_rcv_remphys_errors; + __be16 port_rcv_switch_relay_errors; + __be16 port_xmit_discards; + u8 port_xmit_constraint_errors; + u8 port_rcv_constraint_errors; + u8 reserved1; + u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */ + __be16 reserved2; + __be16 vl15_dropped; + __be32 port_xmit_data; + __be32 port_rcv_data; + __be32 port_xmit_packets; + __be32 port_rcv_packets; + __be32 port_xmit_wait; +} __packed; + + +#define IB_PMA_SEL_SYMBOL_ERROR cpu_to_be16(0x0001) +#define IB_PMA_SEL_LINK_ERROR_RECOVERY cpu_to_be16(0x0002) +#define IB_PMA_SEL_LINK_DOWNED cpu_to_be16(0x0004) +#define IB_PMA_SEL_PORT_RCV_ERRORS cpu_to_be16(0x0008) +#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS cpu_to_be16(0x0010) +#define IB_PMA_SEL_PORT_XMIT_DISCARDS cpu_to_be16(0x0040) +#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS cpu_to_be16(0x0200) +#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS cpu_to_be16(0x0400) +#define IB_PMA_SEL_PORT_VL15_DROPPED cpu_to_be16(0x0800) +#define IB_PMA_SEL_PORT_XMIT_DATA cpu_to_be16(0x1000) +#define IB_PMA_SEL_PORT_RCV_DATA cpu_to_be16(0x2000) +#define IB_PMA_SEL_PORT_XMIT_PACKETS cpu_to_be16(0x4000) +#define IB_PMA_SEL_PORT_RCV_PACKETS cpu_to_be16(0x8000) + +struct ib_pma_portcounters_ext { + u8 reserved; + u8 port_select; + __be16 counter_select; + __be32 reserved1; + __be64 port_xmit_data; + __be64 port_rcv_data; + __be64 port_xmit_packets; + __be64 port_rcv_packets; + __be64 port_unicast_xmit_packets; + __be64 port_unicast_rcv_packets; + __be64 port_multicast_xmit_packets; + __be64 port_multicast_rcv_packets; +} __packed; + +#define IB_PMA_SELX_PORT_XMIT_DATA cpu_to_be16(0x0001) +#define IB_PMA_SELX_PORT_RCV_DATA cpu_to_be16(0x0002) +#define IB_PMA_SELX_PORT_XMIT_PACKETS cpu_to_be16(0x0004) +#define IB_PMA_SELX_PORT_RCV_PACKETS cpu_to_be16(0x0008) +#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS cpu_to_be16(0x0010) +#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS cpu_to_be16(0x0020) +#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS cpu_to_be16(0x0040) +#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS cpu_to_be16(0x0080) + +#endif /* IB_PMA_H */ diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 55cd0a0bc977..bf4306aea169 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -350,7 +350,8 @@ enum ib_event_type { IB_EVENT_SRQ_ERR, IB_EVENT_SRQ_LIMIT_REACHED, IB_EVENT_QP_LAST_WQE_REACHED, - IB_EVENT_CLIENT_REREGISTER + IB_EVENT_CLIENT_REREGISTER, + IB_EVENT_GID_CHANGE, }; struct ib_event { diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 561ac99def5a..27040653005e 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -9,12 +9,13 @@ #include <net/sock.h> #include <net/tcp.h> -#define TARGET_CORE_MOD_VERSION "v4.0.0-rc7-ml" +#define TARGET_CORE_MOD_VERSION "v4.1.0-rc1-ml" #define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGABRT)) /* Used by transport_generic_allocate_iovecs() */ #define TRANSPORT_IOV_DATA_BUFFER 5 /* Maximum Number of LUNs per Target Portal Group */ +/* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */ #define TRANSPORT_MAX_LUNS_PER_TPG 256 /* * By default we use 32-byte CDBs in TCM Core and subsystem plugin code. @@ -99,6 +100,7 @@ enum transport_state_table { TRANSPORT_FREE = 15, TRANSPORT_NEW_CMD_MAP = 16, TRANSPORT_FREE_CMD_INTR = 17, + TRANSPORT_COMPLETE_QF_WP = 18, }; /* Used for struct se_cmd->se_cmd_flags */ @@ -108,27 +110,22 @@ enum se_cmd_flags_table { SCF_EMULATED_TASK_SENSE = 0x00000004, SCF_SCSI_DATA_SG_IO_CDB = 0x00000008, SCF_SCSI_CONTROL_SG_IO_CDB = 0x00000010, - SCF_SCSI_CONTROL_NONSG_IO_CDB = 0x00000020, SCF_SCSI_NON_DATA_CDB = 0x00000040, SCF_SCSI_CDB_EXCEPTION = 0x00000080, SCF_SCSI_RESERVATION_CONFLICT = 0x00000100, - SCF_CMD_PASSTHROUGH_NOALLOC = 0x00000200, SCF_SE_CMD_FAILED = 0x00000400, SCF_SE_LUN_CMD = 0x00000800, SCF_SE_ALLOW_EOO = 0x00001000, - SCF_SE_DISABLE_ONLINE_CHECK = 0x00002000, SCF_SENT_CHECK_CONDITION = 0x00004000, SCF_OVERFLOW_BIT = 0x00008000, SCF_UNDERFLOW_BIT = 0x00010000, SCF_SENT_DELAYED_TAS = 0x00020000, SCF_ALUA_NON_OPTIMIZED = 0x00040000, SCF_DELAYED_CMD_FROM_SAM_ATTR = 0x00080000, - SCF_PASSTHROUGH_SG_TO_MEM = 0x00100000, - SCF_PASSTHROUGH_CONTIG_TO_SG = 0x00200000, + SCF_UNUSED = 0x00100000, SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00400000, - SCF_EMULATE_SYNC_CACHE = 0x00800000, SCF_EMULATE_CDB_ASYNC = 0x01000000, - SCF_EMULATE_SYNC_UNMAP = 0x02000000 + SCF_EMULATE_QUEUE_FULL = 0x02000000, }; /* struct se_dev_entry->lun_flags and struct se_lun->lun_access */ @@ -205,11 +202,6 @@ typedef enum { SCSI_INDEX_TYPE_MAX } scsi_index_t; -struct scsi_index_table { - spinlock_t lock; - u32 scsi_mib_index[SCSI_INDEX_TYPE_MAX]; -} ____cacheline_aligned; - struct se_cmd; struct t10_alua { @@ -235,7 +227,7 @@ struct t10_alua_lu_gp { atomic_t lu_gp_ref_cnt; spinlock_t lu_gp_lock; struct config_group lu_gp_group; - struct list_head lu_gp_list; + struct list_head lu_gp_node; struct list_head lu_gp_mem_list; } ____cacheline_aligned; @@ -291,10 +283,10 @@ struct t10_vpd { } ____cacheline_aligned; struct t10_wwn { - unsigned char vendor[8]; - unsigned char model[16]; - unsigned char revision[4]; - unsigned char unit_serial[INQUIRY_VPD_SERIAL_LEN]; + char vendor[8]; + char model[16]; + char revision[4]; + char unit_serial[INQUIRY_VPD_SERIAL_LEN]; spinlock_t t10_vpd_lock; struct se_subsystem_dev *t10_sub_dev; struct config_group t10_wwn_group; @@ -366,13 +358,13 @@ struct t10_reservation_ops { int (*t10_pr_clear)(struct se_cmd *); }; -struct t10_reservation_template { +struct t10_reservation { /* Reservation effects all target ports */ int pr_all_tg_pt; /* Activate Persistence across Target Power Loss enabled * for SCSI device */ int pr_aptpl_active; - /* Used by struct t10_reservation_template->pr_aptpl_buf_len */ + /* Used by struct t10_reservation->pr_aptpl_buf_len */ #define PR_APTPL_BUF_LEN 8192 u32 pr_aptpl_buf_len; u32 pr_generation; @@ -397,7 +389,7 @@ struct t10_reservation_template { struct se_queue_req { int state; - void *cmd; + struct se_cmd *cmd; struct list_head qr_list; } ____cacheline_aligned; @@ -408,64 +400,10 @@ struct se_queue_obj { wait_queue_head_t thread_wq; } ____cacheline_aligned; -/* - * Used one per struct se_cmd to hold all extra struct se_task - * metadata. This structure is setup and allocated in - * drivers/target/target_core_transport.c:__transport_alloc_se_cmd() - */ -struct se_transport_task { - unsigned char *t_task_cdb; - unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; - unsigned long long t_task_lba; - int t_tasks_failed; - int t_tasks_fua; - bool t_tasks_bidi; - u32 t_task_cdbs; - u32 t_tasks_check; - u32 t_tasks_no; - u32 t_tasks_sectors; - u32 t_tasks_se_num; - u32 t_tasks_se_bidi_num; - u32 t_tasks_sg_chained_no; - atomic_t t_fe_count; - atomic_t t_se_count; - atomic_t t_task_cdbs_left; - atomic_t t_task_cdbs_ex_left; - atomic_t t_task_cdbs_timeout_left; - atomic_t t_task_cdbs_sent; - atomic_t t_transport_aborted; - atomic_t t_transport_active; - atomic_t t_transport_complete; - atomic_t t_transport_queue_active; - atomic_t t_transport_sent; - atomic_t t_transport_stop; - atomic_t t_transport_timeout; - atomic_t transport_dev_active; - atomic_t transport_lun_active; - atomic_t transport_lun_fe_stop; - atomic_t transport_lun_stop; - spinlock_t t_state_lock; - struct completion t_transport_stop_comp; - struct completion transport_lun_fe_stop_comp; - struct completion transport_lun_stop_comp; - struct scatterlist *t_tasks_sg_chained; - struct scatterlist t_tasks_sg_bounce; - void *t_task_buf; - /* - * Used for pre-registered fabric SGL passthrough WRITE and READ - * with the special SCF_PASSTHROUGH_CONTIG_TO_SG case for TCM_Loop - * and other HW target mode fabric modules. - */ - struct scatterlist *t_task_pt_sgl; - struct list_head *t_mem_list; - /* Used for BIDI READ */ - struct list_head *t_mem_bidi_list; - struct list_head t_task_list; -} ____cacheline_aligned; - struct se_task { unsigned char task_sense; struct scatterlist *task_sg; + u32 task_sg_nents; struct scatterlist *task_sg_bidi; u8 task_scsi_status; u8 task_flags; @@ -476,8 +414,6 @@ struct se_task { u32 task_no; u32 task_sectors; u32 task_size; - u32 task_sg_num; - u32 task_sg_offset; enum dma_data_direction task_data_direction; struct se_cmd *task_se_cmd; struct se_device *se_dev; @@ -495,9 +431,6 @@ struct se_task { struct list_head t_state_list; } ____cacheline_aligned; -#define TASK_CMD(task) ((task)->task_se_cmd) -#define TASK_DEV(task) ((task)->se_dev) - struct se_cmd { /* SAM response code being sent to initiator */ u8 scsi_status; @@ -531,9 +464,10 @@ struct se_cmd { atomic_t transport_sent; /* Used for sense data */ void *sense_buffer; - struct list_head se_delayed_list; - struct list_head se_ordered_list; - struct list_head se_lun_list; + struct list_head se_delayed_node; + struct list_head se_ordered_node; + struct list_head se_lun_node; + struct list_head se_qf_node; struct se_device *se_dev; struct se_dev_entry *se_deve; struct se_device *se_obj_ptr; @@ -542,18 +476,62 @@ struct se_cmd { /* Only used for internal passthrough and legacy TCM fabric modules */ struct se_session *se_sess; struct se_tmr_req *se_tmr_req; - /* t_task is setup to t_task_backstore in transport_init_se_cmd() */ - struct se_transport_task *t_task; - struct se_transport_task t_task_backstore; + struct list_head se_queue_node; struct target_core_fabric_ops *se_tfo; int (*transport_emulate_cdb)(struct se_cmd *); - void (*transport_split_cdb)(unsigned long long, u32 *, unsigned char *); + void (*transport_split_cdb)(unsigned long long, u32, unsigned char *); void (*transport_wait_for_tasks)(struct se_cmd *, int, int); void (*transport_complete_callback)(struct se_cmd *); -} ____cacheline_aligned; + int (*transport_qf_callback)(struct se_cmd *); -#define T_TASK(cmd) ((cmd)->t_task) -#define CMD_TFO(cmd) ((cmd)->se_tfo) + unsigned char *t_task_cdb; + unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; + unsigned long long t_task_lba; + int t_tasks_failed; + int t_tasks_fua; + bool t_tasks_bidi; + u32 t_tasks_sg_chained_no; + atomic_t t_fe_count; + atomic_t t_se_count; + atomic_t t_task_cdbs_left; + atomic_t t_task_cdbs_ex_left; + atomic_t t_task_cdbs_timeout_left; + atomic_t t_task_cdbs_sent; + atomic_t t_transport_aborted; + atomic_t t_transport_active; + atomic_t t_transport_complete; + atomic_t t_transport_queue_active; + atomic_t t_transport_sent; + atomic_t t_transport_stop; + atomic_t t_transport_timeout; + atomic_t transport_dev_active; + atomic_t transport_lun_active; + atomic_t transport_lun_fe_stop; + atomic_t transport_lun_stop; + spinlock_t t_state_lock; + struct completion t_transport_stop_comp; + struct completion transport_lun_fe_stop_comp; + struct completion transport_lun_stop_comp; + struct scatterlist *t_tasks_sg_chained; + + /* + * Used for pre-registered fabric SGL passthrough WRITE and READ + * with the special SCF_PASSTHROUGH_CONTIG_TO_SG case for TCM_Loop + * and other HW target mode fabric modules. + */ + struct scatterlist *t_task_pt_sgl; + u32 t_task_pt_sgl_num; + + struct scatterlist *t_data_sg; + unsigned int t_data_nents; + struct scatterlist *t_bidi_data_sg; + unsigned int t_bidi_data_nents; + + /* Used for BIDI READ */ + struct list_head t_task_list; + u32 t_task_list_num; + +} ____cacheline_aligned; struct se_tmr_req { /* Task Management function to be preformed */ @@ -617,9 +595,6 @@ struct se_session { struct list_head sess_acl_list; } ____cacheline_aligned; -#define SE_SESS(cmd) ((cmd)->se_sess) -#define SE_NODE_ACL(sess) ((sess)->se_node_acl) - struct se_device; struct se_transform_info; struct scatterlist; @@ -640,8 +615,6 @@ struct se_lun_acl { struct se_ml_stat_grps ml_stat_grps; } ____cacheline_aligned; -#define ML_STAT_GRPS(lacl) (&(lacl)->ml_stat_grps) - struct se_dev_entry { bool def_pr_registered; /* See transport_lunflags_table */ @@ -688,6 +661,8 @@ struct se_dev_attrib { int emulate_reservations; int emulate_alua; int enforce_pr_isids; + int is_nonrot; + int emulate_rest_reord; u32 hw_block_size; u32 block_size; u32 hw_max_sectors; @@ -727,10 +702,10 @@ struct se_subsystem_dev { /* T10 Inquiry and VPD WWN Information */ struct t10_wwn t10_wwn; /* T10 SPC-2 + SPC-3 Reservations */ - struct t10_reservation_template t10_reservation; + struct t10_reservation t10_pr; spinlock_t se_dev_lock; void *se_dev_su_ptr; - struct list_head g_se_dev_list; + struct list_head se_dev_node; struct config_group se_dev_group; /* For T10 Reservations */ struct config_group se_dev_pr_group; @@ -738,11 +713,6 @@ struct se_subsystem_dev { struct se_dev_stat_grps dev_stat_grps; } ____cacheline_aligned; -#define T10_ALUA(su_dev) (&(su_dev)->t10_alua) -#define T10_RES(su_dev) (&(su_dev)->t10_reservation) -#define T10_PR_OPS(su_dev) (&(su_dev)->t10_reservation.pr_ops) -#define DEV_STAT_GRP(dev) (&(dev)->dev_stat_grps) - struct se_device { /* Set to 1 if thread is NOT sleeping on thread_sem */ u8 thread_active; @@ -780,11 +750,11 @@ struct se_device { atomic_t dev_status_thr_count; atomic_t dev_hoq_count; atomic_t dev_ordered_sync; + atomic_t dev_qf_count; struct se_obj dev_obj; struct se_obj dev_access_obj; struct se_obj dev_export_obj; - struct se_queue_obj *dev_queue_obj; - struct se_queue_obj *dev_status_queue_obj; + struct se_queue_obj dev_queue_obj; spinlock_t delayed_cmd_lock; spinlock_t ordered_cmd_lock; spinlock_t execute_task_lock; @@ -796,6 +766,7 @@ struct se_device { spinlock_t dev_status_thr_lock; spinlock_t se_port_lock; spinlock_t se_tmr_lock; + spinlock_t qf_cmd_lock; /* Used for legacy SPC-2 reservationsa */ struct se_node_acl *dev_reserved_node_acl; /* Used for ALUA Logical Unit Group membership */ @@ -809,10 +780,12 @@ struct se_device { struct task_struct *process_thread; pid_t process_thread_pid; struct task_struct *dev_mgmt_thread; + struct work_struct qf_work_queue; struct list_head delayed_cmd_list; struct list_head ordered_cmd_list; struct list_head execute_task_list; struct list_head state_task_list; + struct list_head qf_cmd_list; /* Pointer to associated SE HBA */ struct se_hba *se_hba; struct se_subsystem_dev *se_sub_dev; @@ -824,11 +797,6 @@ struct se_device { struct list_head g_se_dev_list; } ____cacheline_aligned; -#define SE_DEV(cmd) ((cmd)->se_lun->lun_se_dev) -#define SU_DEV(dev) ((dev)->se_sub_dev) -#define DEV_ATTRIB(dev) (&(dev)->se_sub_dev->se_dev_attrib) -#define DEV_T10_WWN(dev) (&(dev)->se_sub_dev->t10_wwn) - struct se_hba { u16 hba_tpgt; u32 hba_id; @@ -837,24 +805,17 @@ struct se_hba { /* Virtual iSCSI devices attached. */ u32 dev_count; u32 hba_index; - atomic_t load_balance_queue; - atomic_t left_queue_depth; - /* Maximum queue depth the HBA can handle. */ - atomic_t max_queue_depth; /* Pointer to transport specific host structure. */ void *hba_ptr; /* Linked list for struct se_device */ struct list_head hba_dev_list; - struct list_head hba_list; + struct list_head hba_node; spinlock_t device_lock; - spinlock_t hba_queue_lock; struct config_group hba_group; struct mutex hba_access_mutex; struct se_subsystem_api *transport; } ____cacheline_aligned; -#define SE_HBA(dev) ((dev)->se_hba) - struct se_port_stat_grps { struct config_group stat_group; struct config_group scsi_port_group; @@ -881,9 +842,6 @@ struct se_lun { struct se_port_stat_grps port_stat_grps; } ____cacheline_aligned; -#define SE_LUN(cmd) ((cmd)->se_lun) -#define PORT_STAT_GRP(lun) (&(lun)->port_stat_grps) - struct scsi_port_stats { u64 cmd_pdus; u64 tx_data_octets; @@ -930,7 +888,7 @@ struct se_portal_group { spinlock_t tpg_lun_lock; /* Pointer to $FABRIC_MOD portal group */ void *se_tpg_fabric_ptr; - struct list_head se_tpg_list; + struct list_head se_tpg_node; /* linked list for initiator ACL list */ struct list_head acl_node_list; struct se_lun *tpg_lun_list; @@ -949,8 +907,6 @@ struct se_portal_group { struct config_group tpg_param_group; } ____cacheline_aligned; -#define TPG_TFO(se_tpg) ((se_tpg)->se_tpg_tfo) - struct se_wwn { struct target_fabric_configfs *wwn_tf; struct config_group wwn_group; @@ -958,28 +914,4 @@ struct se_wwn { struct config_group fabric_stat_group; } ____cacheline_aligned; -struct se_global { - u16 alua_lu_gps_counter; - int g_sub_api_initialized; - u32 in_shutdown; - u32 alua_lu_gps_count; - u32 g_hba_id_counter; - struct config_group target_core_hbagroup; - struct config_group alua_group; - struct config_group alua_lu_gps_group; - struct list_head g_lu_gps_list; - struct list_head g_se_tpg_list; - struct list_head g_hba_list; - struct list_head g_se_dev_list; - struct se_hba *g_lun0_hba; - struct se_subsystem_dev *g_lun0_su_dev; - struct se_device *g_lun0_dev; - struct t10_alua_lu_gp *default_lu_gp; - spinlock_t g_device_lock; - spinlock_t hba_lock; - spinlock_t se_tpg_lock; - spinlock_t lu_gps_lock; - spinlock_t plugin_class_lock; -} ____cacheline_aligned; - #endif /* TARGET_CORE_BASE_H */ diff --git a/include/target/target_core_device.h b/include/target/target_core_device.h index 52b18a5752c9..46571912086c 100644 --- a/include/target/target_core_device.h +++ b/include/target/target_core_device.h @@ -1,8 +1,8 @@ #ifndef TARGET_CORE_DEVICE_H #define TARGET_CORE_DEVICE_H -extern int transport_get_lun_for_cmd(struct se_cmd *, unsigned char *, u32); -extern int transport_get_lun_for_tmr(struct se_cmd *, u32); +extern int transport_lookup_cmd_lun(struct se_cmd *, u32); +extern int transport_lookup_tmr_lun(struct se_cmd *, u32); extern struct se_dev_entry *core_get_se_deve_from_rtpi( struct se_node_acl *, u16); extern int core_free_device_list_for_node(struct se_node_acl *, @@ -39,6 +39,8 @@ extern int se_dev_set_emulate_tas(struct se_device *, int); extern int se_dev_set_emulate_tpu(struct se_device *, int); extern int se_dev_set_emulate_tpws(struct se_device *, int); extern int se_dev_set_enforce_pr_isids(struct se_device *, int); +extern int se_dev_set_is_nonrot(struct se_device *, int); +extern int se_dev_set_emulate_rest_reord(struct se_device *dev, int); extern int se_dev_set_queue_depth(struct se_device *, u32); extern int se_dev_set_max_sectors(struct se_device *, u32); extern int se_dev_set_optimal_sectors(struct se_device *, u32); diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h index 747e1404dca0..2de8fe907596 100644 --- a/include/target/target_core_fabric_ops.h +++ b/include/target/target_core_fabric_ops.h @@ -39,17 +39,11 @@ struct target_core_fabric_ops { */ int (*new_cmd_map)(struct se_cmd *); /* - * Optional function pointer for TCM fabric modules that use - * Linux/NET sockets to allocate struct iovec array to struct se_cmd - */ - int (*alloc_cmd_iovecs)(struct se_cmd *); - /* * Optional to release struct se_cmd and fabric dependent allocated * I/O descriptor in transport_cmd_check_stop() */ void (*check_stop_free)(struct se_cmd *); - void (*release_cmd_to_pool)(struct se_cmd *); - void (*release_cmd_direct)(struct se_cmd *); + void (*release_cmd)(struct se_cmd *); /* * Called with spin_lock_bh(struct se_portal_group->session_lock held. */ @@ -70,7 +64,6 @@ struct target_core_fabric_ops { void (*set_default_node_attributes)(struct se_node_acl *); u32 (*get_task_tag)(struct se_cmd *); int (*get_cmd_state)(struct se_cmd *); - void (*new_cmd_failure)(struct se_cmd *); int (*queue_data_in)(struct se_cmd *); int (*queue_status)(struct se_cmd *); int (*queue_tm_rsp)(struct se_cmd *); diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index 24a1c6cb83c3..46aae4f94ede 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -101,6 +101,10 @@ #define DA_ENFORCE_PR_ISIDS 1 #define DA_STATUS_MAX_SECTORS_MIN 16 #define DA_STATUS_MAX_SECTORS_MAX 8192 +/* By default don't report non-rotating (solid state) medium */ +#define DA_IS_NONROT 0 +/* Queue Algorithm Modifier default for restricted reordering in control mode page */ +#define DA_EMULATE_REST_REORD 0 #define SE_MODE_PAGE_BUF 512 @@ -111,9 +115,8 @@ struct se_subsystem_api; extern struct kmem_cache *se_mem_cache; -extern int init_se_global(void); -extern void release_se_global(void); -extern void init_scsi_index_table(void); +extern int init_se_kmem_caches(void); +extern void release_se_kmem_caches(void); extern u32 scsi_get_new_index(scsi_index_t); extern void transport_init_queue_obj(struct se_queue_obj *); extern int transport_subsystem_check_init(void); @@ -160,36 +163,38 @@ extern struct se_device *transport_add_device_to_core_hba(struct se_hba *, struct se_subsystem_dev *, u32, void *, struct se_dev_limits *, const char *, const char *); -extern void transport_device_setup_cmd(struct se_cmd *); extern void transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *, struct se_session *, u32, int, int, unsigned char *); +void *transport_kmap_first_data_page(struct se_cmd *cmd); +void transport_kunmap_first_data_page(struct se_cmd *cmd); extern void transport_free_se_cmd(struct se_cmd *); extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *); extern int transport_generic_handle_cdb(struct se_cmd *); +extern int transport_handle_cdb_direct(struct se_cmd *); extern int transport_generic_handle_cdb_map(struct se_cmd *); extern int transport_generic_handle_data(struct se_cmd *); extern void transport_new_cmd_failure(struct se_cmd *); extern int transport_generic_handle_tmr(struct se_cmd *); extern void transport_generic_free_cmd_intr(struct se_cmd *); extern void __transport_stop_task_timer(struct se_task *, unsigned long *); -extern unsigned char transport_asciihex_to_binaryhex(unsigned char val[2]); extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32, struct scatterlist *, u32); extern int transport_clear_lun_from_sessions(struct se_lun *); extern int transport_check_aborted_status(struct se_cmd *, int); extern int transport_send_check_condition_and_sense(struct se_cmd *, u8, int); extern void transport_send_task_abort(struct se_cmd *); -extern void transport_release_cmd_to_pool(struct se_cmd *); -extern void transport_generic_free_cmd(struct se_cmd *, int, int, int); +extern void transport_release_cmd(struct se_cmd *); +extern void transport_generic_free_cmd(struct se_cmd *, int, int); extern void transport_generic_wait_for_cmds(struct se_cmd *, int); -extern u32 transport_calc_sg_num(struct se_task *, struct se_mem *, u32); +extern int transport_init_task_sg(struct se_task *, struct se_mem *, u32); extern int transport_map_mem_to_sg(struct se_task *, struct list_head *, - void *, struct se_mem *, + struct scatterlist *, struct se_mem *, struct se_mem **, u32 *, u32 *); extern void transport_do_task_sg_chain(struct se_cmd *); extern void transport_generic_process_write(struct se_cmd *); +extern int transport_generic_new_cmd(struct se_cmd *); extern int transport_generic_do_tmr(struct se_cmd *); /* From target_core_alua.c */ extern int core_alua_check_nonop_delay(struct se_cmd *); @@ -235,13 +240,13 @@ struct se_subsystem_api { */ int (*cdb_none)(struct se_task *); /* - * For SCF_SCSI_CONTROL_NONSG_IO_CDB + * For SCF_SCSI_DATA_SG_IO_CDB */ - int (*map_task_non_SG)(struct se_task *); + int (*map_data_SG)(struct se_task *); /* - * For SCF_SCSI_DATA_SG_IO_CDB and SCF_SCSI_CONTROL_SG_IO_CDB + * For SCF_SCSI_CONTROL_SG_IO_CDB */ - int (*map_task_SG)(struct se_task *); + int (*map_control_SG)(struct se_task *); /* * attach_hba(): */ @@ -292,7 +297,7 @@ struct se_subsystem_api { * drivers. Provided out of convenience. */ int (*transport_complete)(struct se_task *task); - struct se_task *(*alloc_task)(struct se_cmd *); + struct se_task *(*alloc_task)(unsigned char *cdb); /* * do_task(): */ @@ -342,19 +347,9 @@ struct se_subsystem_api { */ sector_t (*get_blocks)(struct se_device *); /* - * do_se_mem_map(): - */ - int (*do_se_mem_map)(struct se_task *, struct list_head *, void *, - struct se_mem *, struct se_mem **, u32 *, u32 *); - /* * get_sense_buffer(): */ unsigned char *(*get_sense_buffer)(struct se_task *); } ____cacheline_aligned; -#define TRANSPORT(dev) ((dev)->transport) -#define HBA_TRANSPORT(hba) ((hba)->transport) - -extern struct se_global *se_global; - #endif /* TARGET_CORE_TRANSPORT_H */ diff --git a/include/xen/balloon.h b/include/xen/balloon.h index a2b22f01a51d..4076ed72afbd 100644 --- a/include/xen/balloon.h +++ b/include/xen/balloon.h @@ -23,3 +23,13 @@ void balloon_set_new_target(unsigned long target); int alloc_xenballooned_pages(int nr_pages, struct page** pages); void free_xenballooned_pages(int nr_pages, struct page** pages); + +struct sys_device; +#ifdef CONFIG_XEN_SELFBALLOONING +extern int register_xen_selfballooning(struct sys_device *sysdev); +#else +static inline int register_xen_selfballooning(struct sys_device *sysdev) +{ + return -ENOSYS; +} +#endif diff --git a/include/xen/events.h b/include/xen/events.h index 9af21e19545a..d287997d3eab 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -74,8 +74,6 @@ int xen_set_callback_via(uint64_t via); void xen_evtchn_do_upcall(struct pt_regs *regs); void xen_hvm_evtchn_do_upcall(void); -/* Allocate a pirq for a physical interrupt, given a gsi. */ -int xen_allocate_pirq_gsi(unsigned gsi); /* Bind a pirq for a physical interrupt to an irq. */ int xen_bind_pirq_gsi_to_irq(unsigned gsi, unsigned pirq, int shareable, char *name); diff --git a/include/xen/hvc-console.h b/include/xen/hvc-console.h index c3adde32669b..901724dc528d 100644 --- a/include/xen/hvc-console.h +++ b/include/xen/hvc-console.h @@ -6,11 +6,13 @@ extern struct console xenboot_console; #ifdef CONFIG_HVC_XEN void xen_console_resume(void); void xen_raw_console_write(const char *str); +__attribute__((format(printf, 1, 2))) void xen_raw_printk(const char *fmt, ...); #else static inline void xen_console_resume(void) { } static inline void xen_raw_console_write(const char *str) { } -static inline void xen_raw_printk(const char *fmt, ...) { } +static inline __attribute__((format(printf, 1, 2))) +void xen_raw_printk(const char *fmt, ...) { } #endif #endif /* XEN_HVC_CONSOLE_H */ diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h index 70213b4515eb..6acd9cefd517 100644 --- a/include/xen/interface/xen.h +++ b/include/xen/interface/xen.h @@ -450,6 +450,45 @@ struct start_info { int8_t cmd_line[MAX_GUEST_CMDLINE]; }; +struct dom0_vga_console_info { + uint8_t video_type; +#define XEN_VGATYPE_TEXT_MODE_3 0x03 +#define XEN_VGATYPE_VESA_LFB 0x23 + + union { + struct { + /* Font height, in pixels. */ + uint16_t font_height; + /* Cursor location (column, row). */ + uint16_t cursor_x, cursor_y; + /* Number of rows and columns (dimensions in characters). */ + uint16_t rows, columns; + } text_mode_3; + + struct { + /* Width and height, in pixels. */ + uint16_t width, height; + /* Bytes per scan line. */ + uint16_t bytes_per_line; + /* Bits per pixel. */ + uint16_t bits_per_pixel; + /* LFB physical address, and size (in units of 64kB). */ + uint32_t lfb_base; + uint32_t lfb_size; + /* RGB mask offsets and sizes, as defined by VBE 1.2+ */ + uint8_t red_pos, red_size; + uint8_t green_pos, green_size; + uint8_t blue_pos, blue_size; + uint8_t rsvd_pos, rsvd_size; + + /* VESA capabilities (offset 0xa, VESA command 0x4f00). */ + uint32_t gbl_caps; + /* Mode attributes (offset 0x0, VESA command 0x4f01). */ + uint16_t mode_attrs; + } vesa_lfb; + } u; +}; + /* These flags are passed in the 'flags' field of start_info_t. */ #define SIF_PRIVILEGED (1<<0) /* Is the domain privileged? */ #define SIF_INITDOMAIN (1<<1) /* Is this the initial control domain? */ diff --git a/include/xen/tmem.h b/include/xen/tmem.h new file mode 100644 index 000000000000..82e2c83a32f5 --- /dev/null +++ b/include/xen/tmem.h @@ -0,0 +1,5 @@ +#ifndef _XEN_TMEM_H +#define _XEN_TMEM_H +/* defined in drivers/xen/tmem.c */ +extern int tmem_enabled; +#endif /* _XEN_TMEM_H */ diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h index 5467369e0889..aceeca799fd7 100644 --- a/include/xen/xenbus.h +++ b/include/xen/xenbus.h @@ -223,7 +223,9 @@ int xenbus_free_evtchn(struct xenbus_device *dev, int port); enum xenbus_state xenbus_read_driver_state(const char *path); +__attribute__((format(printf, 3, 4))) void xenbus_dev_error(struct xenbus_device *dev, int err, const char *fmt, ...); +__attribute__((format(printf, 3, 4))) void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, ...); const char *xenbus_strstate(enum xenbus_state state); |