>-----Original Message----- >From: Chen Gang [mailto:gang.chen.5...@gmail.com] >Sent: Monday, November 17, 2014 5:17 PM >To: Sumit Saxena >Cc: megaraidli...@lsi.com; linux-s...@vger.kernel.org; linux- >ker...@vger.kernel.org >Subject: RE: [PATCH] drivers: scsi: megaraid: Add "megaraid_sas_internal.h" >for internal shared functions using > > >OK, I will send patch v2 for it. > >I sent this patch based on Linux next tree, please tell me the tree >location (git >address) which I shall base on for sending patch v2.
I posted the patch series today, once the patches make it to scsi-next tree, I will let you know. Thanks Sumit > >Thanks. > >Send from Lenovo A788t. > >Sumit Saxena <sumit.sax...@avagotech.com> wrote: > >>>-----Original Message----- >>>From: Chen Gang [mailto:gang.chen.5...@gmail.com] >>>Sent: Sunday, November 09, 2014 3:47 PM >>>To: megaraidli...@lsi.com; jbottom...@parallels.com >>>Cc: linux-s...@vger.kernel.org; linux-kernel@vger.kernel.org >>>Subject: [PATCH] drivers: scsi: megaraid: Add "megaraid_sas_internal.h" >>for >>>internal shared functions using >>> >>>For shared inline functions crossed source files, better to let it as >>"static inline" >>>in a header file. For extern functions, better to declare them in >>>header >>file. >>> >>>For the latest upstream gcc/binutiles (gcc 5 with ld 2.25.51), it will >>cause >>>building break (although it might be the gcc's or ld's issue), the >>related error >>>(with allmodconfig under tile): >>> >>> MODPOST 4002 modules >>> ERROR: "megasas_return_cmd" [drivers/scsi/megaraid/megaraid_sas.ko] >>>undefined! >>> ERROR: "megasas_is_ldio" [drivers/scsi/megaraid/megaraid_sas.ko] >>>undefined! >>> >>> >>>Signed-off-by: Chen Gang <gang.chen.5...@gmail.com> >>>--- >>> drivers/scsi/megaraid/megaraid_sas_base.c | 65 +---------------- >>> drivers/scsi/megaraid/megaraid_sas_fusion.c | 38 +--------- >>> drivers/scsi/megaraid/megaraid_sas_internal.h | 100 >>>++++++++++++++++++++++++++ >>> 3 files changed, 102 insertions(+), 101 deletions(-) create mode >>>100644 drivers/scsi/megaraid/megaraid_sas_internal.h >>> >>>diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c >>>b/drivers/scsi/megaraid/megaraid_sas_base.c >>>index f6a69a3..4a71c04 100644 >>>--- a/drivers/scsi/megaraid/megaraid_sas_base.c >>>+++ b/drivers/scsi/megaraid/megaraid_sas_base.c >>>@@ -57,6 +57,7 @@ >>> #include <scsi/scsi_tcq.h> >>> #include "megaraid_sas_fusion.h" >>> #include "megaraid_sas.h" >>>+#include "megaraid_sas_internal.h" >>> >>> /* >>> * Number of sectors per IO command >>>@@ -98,7 +99,6 @@ MODULE_VERSION(MEGASAS_VERSION); >>>MODULE_AUTHOR("megaraidli...@lsi.com"); >>> MODULE_DESCRIPTION("LSI MegaRAID SAS Driver"); >>> >>>-int megasas_transition_to_ready(struct megasas_instance *instance, >>>int ocr); static int megasas_get_pd_list(struct megasas_instance >>>*instance); static int megasas_ld_list_query(struct megasas_instance >*instance, >>> u8 query_type); >>>@@ -155,9 +155,6 @@ static u32 support_device_change; >>> /* define lock for aen poll */ >>> spinlock_t poll_aen_lock; >>> >>>-void >>>-megasas_complete_cmd(struct megasas_instance *instance, struct >>>megasas_cmd *cmd, >>>- u8 alt_status); >>> static u32 >>> megasas_read_fw_status_reg_gen2(struct megasas_register_set >__iomem >>>*regs); static int @@ -170,26 +167,8 @@ u32 >>>megasas_build_and_issue_cmd(struct megasas_instance *instance, >>> struct scsi_cmnd *scmd); >>> static void megasas_complete_cmd_dpc(unsigned long instance_addr); >>>-void -megasas_release_fusion(struct megasas_instance *instance); -int >>>- megasas_ioc_init_fusion(struct megasas_instance *instance); -void - >>>megasas_free_cmds_fusion(struct megasas_instance *instance); >>>-u8 >>>-megasas_get_map_info(struct megasas_instance *instance); -int - >>>megasas_sync_map_info(struct megasas_instance *instance); -int - >>>wait_and_poll(struct megasas_instance *instance, struct megasas_cmd >>>*cmd, >>>- int seconds); >>>-void megasas_reset_reply_desc(struct megasas_instance *instance); >>>-int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout); >>>-void megasas_fusion_ocr_wq(struct work_struct *work); static int >>>megasas_get_ld_vf_affiliation(struct megasas_instance *instance, >>> int initial); >>>-int megasas_check_mpio_paths(struct megasas_instance *instance, >>>- struct scsi_cmnd *scmd); >>> >>> void >>> megasas_issue_dcmd(struct megasas_instance *instance, struct >>>megasas_cmd *cmd) @@ -258,22 +237,6 @@ >__megasas_return_cmd(struct >>>megasas_instance *instance, struct megasas_cmd *cmd) } >>> >>> /** >>>- * megasas_return_cmd - Return a cmd to free command pool >>>- * @instance: Adapter soft state >>>- * @cmd: Command packet to be returned to free command >>>pool >>>- */ >>>-inline void >>>-megasas_return_cmd(struct megasas_instance *instance, struct >>>megasas_cmd *cmd) -{ >>>- unsigned long flags; >>>- >>>- spin_lock_irqsave(&instance->mfi_pool_lock, flags); >>>- __megasas_return_cmd(instance, cmd); >>>- spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); >>>-} >>>- >>>- >>>-/** >>> * The following functions are defined for xscale >>> * (deviceid : 1064R, PERC5) controllers >>> */ >>>@@ -1417,32 +1380,6 @@ megasas_build_ldio(struct megasas_instance >>>*instance, struct scsi_cmnd *scp, >>> return cmd->frame_count; >>> } >>> >>>-/** >>>- * megasas_is_ldio - Checks if the cmd is for logical drive >>>- * @scmd: SCSI command >>>- * >>>- * Called by megasas_queue_command to find out if the command to be >>>queued >>>- * is a logical drive command >>>- */ >>>-inline int megasas_is_ldio(struct scsi_cmnd *cmd) -{ >>>- if (!MEGASAS_IS_LOGICAL(cmd)) >>>- return 0; >>>- switch (cmd->cmnd[0]) { >>>- case READ_10: >>>- case WRITE_10: >>>- case READ_12: >>>- case WRITE_12: >>>- case READ_6: >>>- case WRITE_6: >>>- case READ_16: >>>- case WRITE_16: >>>- return 1; >>>- default: >>>- return 0; >>>- } >>>-} >>>- >>> /** >>> * megasas_dump_pending_frames - Dumps the frame address of >all >>>pending cmds >>> * in FW >>>diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c >>>b/drivers/scsi/megaraid/megaraid_sas_fusion.c >>>index f37eed6..c2b8782 100644 >>>--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c >>>+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c >>>@@ -54,43 +54,7 @@ >>> >>> #include "megaraid_sas_fusion.h" >>> #include "megaraid_sas.h" >>>- >>>-extern void megasas_free_cmds(struct megasas_instance *instance); - >>>extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance >>>- *instance); >>>-extern void >>>-megasas_complete_cmd(struct megasas_instance *instance, >>>- struct megasas_cmd *cmd, u8 alt_status); >>>-int megasas_is_ldio(struct scsi_cmnd *cmd); -int >>>-wait_and_poll(struct megasas_instance *instance, struct megasas_cmd >*cmd, >>>- int seconds); >>>- >>>-void >>>-megasas_return_cmd(struct megasas_instance *instance, struct >>>megasas_cmd *cmd); -int megasas_alloc_cmds(struct megasas_instance >>>*instance); -int -megasas_clear_intr_fusion(struct >>>megasas_register_set __iomem *regs); -int -megasas_issue_polled(struct >>>megasas_instance *instance, >>>- struct megasas_cmd *cmd); >>>-void >>>-megasas_check_and_restore_queue_depth(struct megasas_instance >>>*instance); >>>- >>>-int megasas_transition_to_ready(struct megasas_instance *instance, >>>int ocr); -void megaraid_sas_kill_hba(struct megasas_instance >>>*instance); >>>- >>>-extern u32 megasas_dbg_lvl; >>>-void megasas_sriov_heartbeat_handler(unsigned long instance_addr); >>>-int megasas_sriov_start_heartbeat(struct megasas_instance *instance, >>>- int initial); >>>-void megasas_start_timer(struct megasas_instance *instance, >>>- struct timer_list *timer, >>>- void *fn, unsigned long interval); >>>-extern struct megasas_mgmt_info megasas_mgmt_info; -extern int >>>resetwaittime; >>>- >>>- >>>+#include "megaraid_sas_internal.h" >>> >>> /** >>> * megasas_enable_intr_fusion - Enables interrupts >>>diff --git a/drivers/scsi/megaraid/megaraid_sas_internal.h >>>b/drivers/scsi/megaraid/megaraid_sas_internal.h >>>new file mode 100644 >>>index 0000000..b2b0a55 >>>--- /dev/null >>>+++ b/drivers/scsi/megaraid/megaraid_sas_internal.h >>>@@ -0,0 +1,100 @@ >>>+#ifndef LSI_MEGARAID_SAS_INTERNAL_H >>>+#define LSI_MEGARAID_SAS_INTERNAL_H >>>+ >>>+/* >>>+ * From base. >>>+ */ >>>+ >>>+extern void megasas_free_cmds(struct megasas_instance *instance); >>>+extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance >>>+ *instance); >>>+ >>>+extern void >>>+megasas_complete_cmd(struct megasas_instance *instance, >>>+ struct megasas_cmd *cmd, u8 alt_status); >>>+/** >>>+ * megasas_is_ldio - Checks if the cmd is for logical drive >>>+ * @scmd: SCSI command >>>+ * >>>+ * Called by megasas_queue_command to find out if the command to be >>>+queued >>>+ * is a logical drive command >>>+ */ >>>+static inline int megasas_is_ldio(struct scsi_cmnd *cmd) { >>>+ if (!MEGASAS_IS_LOGICAL(cmd)) >>>+ return 0; >>>+ switch (cmd->cmnd[0]) { >>>+ case READ_10: >>>+ case WRITE_10: >>>+ case READ_12: >>>+ case WRITE_12: >>>+ case READ_6: >>>+ case WRITE_6: >>>+ case READ_16: >>>+ case WRITE_16: >>>+ return 1; >>>+ default: >>>+ return 0; >>>+ } >>>+} >>>+ >>>+/** >>>+ * megasas_return_cmd - Return a cmd to free command pool >>>+ * @instance: Adapter soft state >>>+ * @cmd: Command packet to be returned to free command >>>pool >>>+ */ >>>+static inline void >>>+megasas_return_cmd(struct megasas_instance *instance, struct >>>+megasas_cmd *cmd) { >>>+ unsigned long flags; >>>+ >>>+ spin_lock_irqsave(&instance->mfi_pool_lock, flags); >>>+ __megasas_return_cmd(instance, cmd); >>>+ spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); } >>>+ >>>+int megasas_alloc_cmds(struct megasas_instance *instance); >>>+ >>>+int >>>+megasas_issue_polled(struct megasas_instance *instance, >>>+ struct megasas_cmd *cmd); >>>+void >>>+megasas_check_and_restore_queue_depth(struct megasas_instance >>>+*instance); >>>+ >>>+int megasas_transition_to_ready(struct megasas_instance *instance, >>>+int ocr); void megaraid_sas_kill_hba(struct megasas_instance >>>+*instance); >>>+ >>>+extern u32 megasas_dbg_lvl; >>>+void megasas_sriov_heartbeat_handler(unsigned long instance_addr); >>>+int megasas_sriov_start_heartbeat(struct megasas_instance *instance, >>>+ int initial); >>>+void megasas_start_timer(struct megasas_instance *instance, >>>+ struct timer_list *timer, >>>+ void *fn, unsigned long interval); extern struct >>>+megasas_mgmt_info megasas_mgmt_info; extern int resetwaittime; >>>+ >>>+/* >>>+ * From fusion. >>>+ */ >>>+ >>>+int megasas_check_mpio_paths(struct megasas_instance *instance, >>>+ struct scsi_cmnd *scmd); >>>+int >>>+wait_and_poll(struct megasas_instance *instance, struct megasas_cmd >>>*cmd, >>>+ int seconds); >>>+void >>>+megasas_release_fusion(struct megasas_instance *instance); int >>>+megasas_ioc_init_fusion(struct megasas_instance *instance); void >>>+megasas_free_cmds_fusion(struct megasas_instance *instance); >>>+u8 >>>+megasas_get_map_info(struct megasas_instance *instance); int >>>+megasas_sync_map_info(struct megasas_instance *instance); void >>>+megasas_reset_reply_desc(struct megasas_instance *instance); int >>>+megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout); void >>>+megasas_fusion_ocr_wq(struct work_struct *work); >>>+ >>>+#endif /* LSI_MEGARAID_SAS_INTERNAL_H */ >> >>Patch looks good to me. Can you please rebase this patch on top of >>latest patch series sent by me? >>>-- >>>1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
