From 1c029fd658baa2442e8e51dc9c819301cad95777 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:05 +0100 Subject: ide: remove ->dma_master field from ide_hwif_t (take 5) * Convert cmd64x, hpt366 and pdc202xx_old host drivers to use pci_resource_start(hwif->pci_dev, 4) instead of hwif->dma_master. * Remove no longer needed ->dma_master field from ide_hwif_t. v2: * Use the more readable 'hwif->dma_base - (hwif->channel * 8)' instead of pci_resource_start(hwif->pci_dev, 4). v3: * Use hwif->extra_base in hpt366/pdc20xx_old + some cosmetic fixups over v2 (suggested by Sergei). v4: * Correct offsets in hpt3xxn_set_clock(). v5: * Use hwif->extra_base in hpt366 for _real_ this time. (Noticed by Sergei) Acked-by: Sergei Shtylyov Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 9a6a41e7079..1fb03b63067 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -766,7 +766,6 @@ typedef struct hwif_s { int rqsize; /* max sectors per request */ int irq; /* our irq number */ - unsigned long dma_master; /* reference base addr dmabase */ unsigned long dma_base; /* base addr for dma ports */ unsigned long dma_command; /* dma command register */ unsigned long dma_vendor1; /* dma vendor 1 register */ -- cgit v1.2.3 From cd2a2d969761c26542095c01324201ca0b3ee896 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:06 +0100 Subject: ide: remove task_ioreg_t typedef (take 2) Remove task_ioreg_t typedef from the kernel code (but leave it in for #ifndef/#endif __KERNEL__ case). While at it also move sata_ioreg_t typedef under #ifndef/#endif __KERNEL__. v2: Remove name of the second parameter from ide_execute_command() declaration. (Noticed by Sergei). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/hdreg.h | 46 +++++++++++++++++++++++----------------------- include/linux/ide.h | 7 ++++--- 2 files changed, 27 insertions(+), 26 deletions(-) (limited to 'include') diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 818c6afc109..3bcb8856041 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -87,10 +87,10 @@ #ifndef __KERNEL__ #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE #define IDE_HOB_STD_OUT_FLAGS 0x3C -#endif typedef unsigned char task_ioreg_t; typedef unsigned long sata_ioreg_t; +#endif typedef union ide_reg_valid_s { unsigned all : 16; @@ -116,8 +116,8 @@ typedef union ide_reg_valid_s { } ide_reg_valid_t; typedef struct ide_task_request_s { - task_ioreg_t io_ports[8]; - task_ioreg_t hob_ports[8]; + __u8 io_ports[8]; + __u8 hob_ports[8]; ide_reg_valid_t out_flags; ide_reg_valid_t in_flags; int data_phase; @@ -133,32 +133,32 @@ typedef struct ide_ioctl_request_s { } ide_ioctl_request_t; struct hd_drive_cmd_hdr { - task_ioreg_t command; - task_ioreg_t sector_number; - task_ioreg_t feature; - task_ioreg_t sector_count; + __u8 command; + __u8 sector_number; + __u8 feature; + __u8 sector_count; }; typedef struct hd_drive_task_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t command; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 command; } task_struct_t; typedef struct hd_drive_hob_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t control; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 control; } hob_struct_t; #define TASKFILE_INVALID 0x7fff diff --git a/include/linux/ide.h b/include/linux/ide.h index 1fb03b63067..66a38f10117 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1019,7 +1019,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); -extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *); +void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, + ide_expiry_t *); ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); @@ -1068,8 +1069,8 @@ typedef struct ide_task_s { * struct hd_drive_hob_hdr hobf; * hob_struct_t hobf; */ - task_ioreg_t tfRegister[8]; - task_ioreg_t hobRegister[8]; + u8 tfRegister[8]; + u8 hobRegister[8]; ide_reg_valid_t tf_out_flags; ide_reg_valid_t tf_in_flags; int data_phase; -- cgit v1.2.3 From 650d841d9e053a618dd8ce753422f91b493cf2f6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:06 +0100 Subject: ide: add struct ide_taskfile (take 2) * Don't set write-only ide_task_t.hobRegister[6] and ide_task_t.hobRegister[7] in idedisk_set_max_address_ext(). * Add struct ide_taskfile and use it in ide_task_t instead of tfRegister[] and hobRegister[]. * Remove no longer needed IDE_CONTROL_OFFSET_HOB define. * Add #ifndef/#endif __KERNEL__ around definitions of {task,hob}_struct_t. While at it: * Use ATA_LBA define for LBA bit (0x40) as suggested by Tejun Heo. v2: * Add missing newlines. (Noticed by Sergei) * Use ~ATA_LBA instead of 0xBF. (Noticed by Sergei) * Use unnamed unions for error/feature and status/command. (Suggested by Sergei). There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/hdreg.h | 4 +++- include/linux/ide.h | 43 +++++++++++++++++++++++++++++++++---------- 2 files changed, 36 insertions(+), 11 deletions(-) (limited to 'include') diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 3bcb8856041..df17bf767d9 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -117,7 +117,7 @@ typedef union ide_reg_valid_s { typedef struct ide_task_request_s { __u8 io_ports[8]; - __u8 hob_ports[8]; + __u8 hob_ports[8]; /* bytes 6 and 7 are unused */ ide_reg_valid_t out_flags; ide_reg_valid_t in_flags; int data_phase; @@ -139,6 +139,7 @@ struct hd_drive_cmd_hdr { __u8 sector_count; }; +#ifndef __KERNEL__ typedef struct hd_drive_task_hdr { __u8 data; __u8 feature; @@ -160,6 +161,7 @@ typedef struct hd_drive_hob_hdr { __u8 device_head; __u8 control; } hob_struct_t; +#endif #define TASKFILE_INVALID 0x7fff #define TASKFILE_48 0x8000 diff --git a/include/linux/ide.h b/include/linux/ide.h index 66a38f10117..69b78bb39ca 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -103,8 +103,6 @@ typedef unsigned char byte; /* used everywhere */ #define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET #define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET -#define IDE_CONTROL_OFFSET_HOB (7) - #define IDE_DATA_REG (HWIF(drive)->io_ports[IDE_DATA_OFFSET]) #define IDE_ERROR_REG (HWIF(drive)->io_ports[IDE_ERROR_OFFSET]) #define IDE_NSECTOR_REG (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET]) @@ -1062,15 +1060,40 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); */ extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); +struct ide_taskfile { + u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ + + u8 hob_feature; /* 1-5: additional data to support LBA48 */ + u8 hob_nsect; + u8 hob_lbal; + u8 hob_lbam; + u8 hob_lbah; + + u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ + + union { /*  7: */ + u8 error; /* read: error */ + u8 feature; /* write: feature */ + }; + + u8 nsect; /* 8: number of sectors */ + u8 lbal; /* 9: LBA low */ + u8 lbam; /* 10: LBA mid */ + u8 lbah; /* 11: LBA high */ + + u8 device; /* 12: device select */ + + union { /* 13: */ + u8 status; /*  read: status  */ + u8 command; /* write: command */ + }; +}; + typedef struct ide_task_s { -/* - * struct hd_drive_task_hdr tf; - * task_struct_t tf; - * struct hd_drive_hob_hdr hobf; - * hob_struct_t hobf; - */ - u8 tfRegister[8]; - u8 hobRegister[8]; + union { + struct ide_taskfile tf; + u8 tf_array[14]; + }; ide_reg_valid_t tf_out_flags; ide_reg_valid_t tf_in_flags; int data_phase; -- cgit v1.2.3 From 9e42237f26cf517a3f682505f03a3a8d89b3b35d Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:07 +0100 Subject: ide: add ide_tf_load() helper Based on the earlier work by Tejun Heo. * Add 'tf_flags' field (for taskfile flags) to ide_task_t. * Add IDE_TFLAG_LBA48 taskfile flag for LBA48 taskfiles. * Add IDE_TFLAG_NO_SELECT_MASK taskfile flag for __ide_do_rw_disk() which doesn't use SELECT_MASK() (looks like a bug but it requires some more investigation). * Split off ide_tf_load() helper from do_rw_taskfile(). * Convert __ide_do_rw_disk() to use ide_tf_load(). There should be no functionality changes caused by this patch. Cc: Tejun Heo Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 69b78bb39ca..e25fd0b1dd7 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1060,6 +1060,11 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); */ extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); +enum { + IDE_TFLAG_LBA48 = (1 << 0), + IDE_TFLAG_NO_SELECT_MASK = (1 << 1), +}; + struct ide_taskfile { u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ @@ -1094,6 +1099,7 @@ typedef struct ide_task_s { struct ide_taskfile tf; u8 tf_array[14]; }; + u8 tf_flags; ide_reg_valid_t tf_out_flags; ide_reg_valid_t tf_in_flags; int data_phase; @@ -1104,6 +1110,8 @@ typedef struct ide_task_s { void *special; /* valid_t generally */ } ide_task_t; +void ide_tf_load(ide_drive_t *, ide_task_t *); + extern u32 ide_read_24(ide_drive_t *); extern void SELECT_DRIVE(ide_drive_t *); -- cgit v1.2.3 From 9a3c49be5c5f7388eefb712be9a383904140532e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:07 +0100 Subject: ide: add ide_no_data_taskfile() helper * Add ide_no_data_taskfile() helper and convert ide_raw_taskfile() w/ NO DATA protocol users to use it instead. * Set ->data_phase explicitly in ide_no_data_taskfile() (TASKFILE_NO_DATA is defined as 0x0000). * Unexport task_no_data_intr(). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index e25fd0b1dd7..11bfbc40c50 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1140,6 +1140,8 @@ extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *); +int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); + int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); -- cgit v1.2.3 From 74095a91ed02f6727b62d4416be00a041f2d7436 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:07 +0100 Subject: ide: use do_rw_taskfile() in flagged_taskfile() Based on the earlier work by Tejun Heo. * Move setting IDE_TFLAG_LBA48 taskfile flag from do_rw_taskfile() function to the callers. * Add IDE_TFLAG_FLAGGED taskfile flag for flagged taskfiles coming from ide_taskfile_ioctl(). Check it instead of ->tf_out_flags.all. * Add IDE_TFLAG_OUT_DATA taskfile flag to indicate the need to load IDE data register in ide_tf_load(). * Add IDE_TFLAG_OUT_* taskfile flags to indicate the need to load particular IDE taskfile registers in ide_tf_load(). * Update do_rw_taskfile() and ide_tf_load() users to set respective IDE_TFLAG_OUT_* taksfile flags. * Add task_dma_ok() helper. * Use IDE_TFLAG_FLAGGED taskfile flag to select HIHI mask in ide_tf_load(). * Use do_rw_taskfile() in flagged_taskfile(). * Remove no longer needed 'tf_out_flags' field from ide_task_t. There should be no functionality changes caused by this patch. Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 11bfbc40c50..6dfee2a46f1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1063,6 +1063,28 @@ extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); enum { IDE_TFLAG_LBA48 = (1 << 0), IDE_TFLAG_NO_SELECT_MASK = (1 << 1), + IDE_TFLAG_FLAGGED = (1 << 2), + IDE_TFLAG_OUT_DATA = (1 << 3), + IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), + IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | + IDE_TFLAG_OUT_HOB_NSECT | + IDE_TFLAG_OUT_HOB_LBAL | + IDE_TFLAG_OUT_HOB_LBAM | + IDE_TFLAG_OUT_HOB_LBAH, + IDE_TFLAG_OUT_FEATURE = (1 << 9), + IDE_TFLAG_OUT_NSECT = (1 << 10), + IDE_TFLAG_OUT_LBAL = (1 << 11), + IDE_TFLAG_OUT_LBAM = (1 << 12), + IDE_TFLAG_OUT_LBAH = (1 << 13), + IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | + IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_OUT_LBAM | + IDE_TFLAG_OUT_LBAH, }; struct ide_taskfile { @@ -1099,8 +1121,7 @@ typedef struct ide_task_s { struct ide_taskfile tf; u8 tf_array[14]; }; - u8 tf_flags; - ide_reg_valid_t tf_out_flags; + u16 tf_flags; ide_reg_valid_t tf_in_flags; int data_phase; int command_type; -- cgit v1.2.3 From 4ee06b7e677da4c75f2fcc5fd850543852d18bf2 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:08 +0100 Subject: ide: remove stale ide.h "configuration options" Remove stale ide.h "configuration options": * INITIAL_MULT_COUNT - always defined to 0 * SUPPORT_SLOW_DATA_PORTS - unused * OK_TO_RESET_CONTROLLER - always defined to 1 * DISABLE_IRQ_NOSYNC - always defined to 0 Leave SUPPORT_VLB_SYNC (defined to 0 for CRIS and FRV, otherwise to 1) for now but disallow overriding it by . There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/asm-cris/arch-v10/ide.h | 5 ----- include/asm-cris/arch-v32/ide.h | 5 ----- include/asm-frv/ide.h | 6 ------ include/asm-powerpc/ide.h | 3 --- include/linux/ide.h | 27 ++++----------------------- 5 files changed, 4 insertions(+), 42 deletions(-) (limited to 'include') diff --git a/include/asm-cris/arch-v10/ide.h b/include/asm-cris/arch-v10/ide.h index 78b301ed7b1..ea34e0d0a38 100644 --- a/include/asm-cris/arch-v10/ide.h +++ b/include/asm-cris/arch-v10/ide.h @@ -89,11 +89,6 @@ static inline void ide_init_default_hwifs(void) } } -/* some configuration options we don't need */ - -#undef SUPPORT_VLB_SYNC -#define SUPPORT_VLB_SYNC 0 - #endif /* __KERNEL__ */ #endif /* __ASMCRIS_IDE_H */ diff --git a/include/asm-cris/arch-v32/ide.h b/include/asm-cris/arch-v32/ide.h index 11296170d05..fb9c3627a5b 100644 --- a/include/asm-cris/arch-v32/ide.h +++ b/include/asm-cris/arch-v32/ide.h @@ -48,11 +48,6 @@ static inline unsigned long ide_default_io_base(int index) return REG_TYPE_CONV(unsigned long, reg_ata_rw_ctrl2, ctrl2); } -/* some configuration options we don't need */ - -#undef SUPPORT_VLB_SYNC -#define SUPPORT_VLB_SYNC 0 - #define IDE_ARCH_ACK_INTR #define ide_ack_intr(hwif) ((hwif)->ack_intr(hwif)) diff --git a/include/asm-frv/ide.h b/include/asm-frv/ide.h index f0bd2cb250c..8c9a540d434 100644 --- a/include/asm-frv/ide.h +++ b/include/asm-frv/ide.h @@ -18,12 +18,6 @@ #include #include -#undef SUPPORT_SLOW_DATA_PORTS -#define SUPPORT_SLOW_DATA_PORTS 0 - -#undef SUPPORT_VLB_SYNC -#define SUPPORT_VLB_SYNC 0 - #ifndef MAX_HWIFS #define MAX_HWIFS 8 #endif diff --git a/include/asm-powerpc/ide.h b/include/asm-powerpc/ide.h index fd7f5a430f0..6d50310ecae 100644 --- a/include/asm-powerpc/ide.h +++ b/include/asm-powerpc/ide.h @@ -42,9 +42,6 @@ struct ide_machdep_calls { extern struct ide_machdep_calls ppc_ide_md; -#undef SUPPORT_SLOW_DATA_PORTS -#define SUPPORT_SLOW_DATA_PORTS 0 - #define IDE_ARCH_OBSOLETE_DEFAULTS static __inline__ int ide_default_irq(unsigned long base) diff --git a/include/linux/ide.h b/include/linux/ide.h index 6dfee2a46f1..0b088f18d42 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -27,25 +27,10 @@ #include #include -/****************************************************************************** - * IDE driver configuration options (play with these as desired): - * - * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary - */ -#define INITIAL_MULT_COUNT 0 /* off=0; on=2,4,8,16,32, etc.. */ - -#ifndef SUPPORT_SLOW_DATA_PORTS /* 1 to support slow data ports */ -#define SUPPORT_SLOW_DATA_PORTS 1 /* 0 to reduce kernel size */ -#endif -#ifndef SUPPORT_VLB_SYNC /* 1 to support weird 32-bit chips */ -#define SUPPORT_VLB_SYNC 1 /* 0 to reduce kernel size */ -#endif -#ifndef OK_TO_RESET_CONTROLLER /* 1 needed for good error recovery */ -#define OK_TO_RESET_CONTROLLER 1 /* 0 for use with AH2372A/B interface */ -#endif - -#ifndef DISABLE_IRQ_NOSYNC -#define DISABLE_IRQ_NOSYNC 0 +#if defined(CRIS) || defined(FRV) +# define SUPPORT_VLB_SYNC 0 +#else +# define SUPPORT_VLB_SYNC 1 #endif /* @@ -55,10 +40,6 @@ #define IDE_NO_IRQ (-1) -/* - * "No user-serviceable parts" beyond this point :) - *****************************************************************************/ - typedef unsigned char byte; /* used everywhere */ /* -- cgit v1.2.3 From 807e35d695690011faa1ce3ad67dfc23c1e39bdc Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:10 +0100 Subject: ide: use ide_tf_load() in execute_drive_cmd() * Add IDE_TFLAG_OUT_DEVICE taskfile flag to indicate the need of writing the Device register and handle it in ide_tf_load(). Update ide_tf_load() and {do_rw,flagged}_taskfile() users accordingly. * Use struct ide_taskfile and ide_tf_load() in execute_drive_cmd(). * Make the debugging code dump all taskfile registers for both REQ_ATA_TYPE_{CMD,TASK} requests and move it to ide_tf_load() so it also covers REQ_ATA_TYPE_TASKFILE requests. There should be no functionality changes caused by this patch (unless DEBUG is defined). Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 0b088f18d42..e1f652c6440 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1066,6 +1066,7 @@ enum { IDE_TFLAG_OUT_LBAL | IDE_TFLAG_OUT_LBAM | IDE_TFLAG_OUT_LBAH, + IDE_TFLAG_OUT_DEVICE = (1 << 14), }; struct ide_taskfile { -- cgit v1.2.3 From 29ed2a5f8c4380959f18e9cbaff13bc61e09889c Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:11 +0100 Subject: ide: remove REQ_TYPE_ATA_TASK Based on the earlier work by Tejun Heo. All users are gone so we can finally remove it. Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/blkdev.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d18ee67b40f..40ee1706caa 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -144,7 +144,6 @@ enum rq_cmd_type_bits { * private REQ_LB opcodes to differentiate what type of request this is */ REQ_TYPE_ATA_CMD, - REQ_TYPE_ATA_TASK, REQ_TYPE_ATA_TASKFILE, REQ_TYPE_ATA_PC, }; -- cgit v1.2.3 From 6a2144146aa2e0eb60e48ba73ac0e1c51346edf6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:11 +0100 Subject: ide: CPU endianness doesn't matter for special_t special_t is used only internally by the IDE subsystem (it isn't related to hardware registers and isn't exported to the user-space). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index e1f652c6440..c6ffc2028fb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -306,23 +306,12 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, typedef union { unsigned all : 8; struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) unsigned set_geometry : 1; unsigned recalibrate : 1; unsigned set_multmode : 1; unsigned set_tune : 1; unsigned serviced : 1; unsigned reserved : 3; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved : 3; - unsigned serviced : 1; - unsigned set_tune : 1; - unsigned set_multmode : 1; - unsigned recalibrate : 1; - unsigned set_geometry : 1; -#else -#error "Please fix " -#endif } b; } special_t; -- cgit v1.2.3 From 22c525b976778cce5bb6f8fdcc70046168c54b1a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:11 +0100 Subject: ide: remove ata_status_t and atapi_status_t Remove ata_status_t (unused) and atapi_status_t. While at it: * replace 'HWIF(drive)' by 'drive->hwif' (or just 'hwif' where possible) Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 44 -------------------------------------------- 1 file changed, 44 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index c6ffc2028fb..921cf717f22 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -365,50 +365,6 @@ typedef union { } b; } select_t, ata_select_t; -/* - * The ATA-IDE Status Register. - * The ATAPI Status Register. - * - * check : Error occurred - * idx : Index Error - * corr : Correctable error occurred - * drq : Data is request by the device - * dsc : Disk Seek Complete : ata - * : Media access command finished : atapi - * df : Device Fault : ata - * : Reserved : atapi - * drdy : Ready, Command Mode Capable : ata - * : Ignored for ATAPI commands : atapi - * bsy : Disk is Busy - * : The device has access to the command block - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned check :1; - unsigned idx :1; - unsigned corr :1; - unsigned drq :1; - unsigned dsc :1; - unsigned df :1; - unsigned drdy :1; - unsigned bsy :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bsy :1; - unsigned drdy :1; - unsigned df :1; - unsigned dsc :1; - unsigned drq :1; - unsigned corr :1; - unsigned idx :1; - unsigned check :1; -#else -#error "Please fix " -#endif - } b; -} ata_status_t, atapi_status_t; - /* * ATAPI Feature Register * -- cgit v1.2.3 From 0e38a66a1e69821ab57a06d5a7b11f0df9275bf4 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:12 +0100 Subject: ide: remove atapi_error_t (take 2) Remove atapi_error_t. While at it: * replace 'HWIF(drive)' by 'drive->hwif' v2: * Add {ILI,EOM,LFS}_ERR defines to . Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/hdreg.h | 3 +++ include/linux/ide.h | 30 ------------------------------ 2 files changed, 3 insertions(+), 30 deletions(-) (limited to 'include') diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index df17bf767d9..0521f1234f1 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -44,7 +44,9 @@ /* Bits for HD_ERROR */ #define MARK_ERR 0x01 /* Bad address mark */ +#define ILI_ERR 0x01 /* Illegal Length Indication (ATAPI) */ #define TRK0_ERR 0x02 /* couldn't find track 0 */ +#define EOM_ERR 0x02 /* End Of Media (ATAPI) */ #define ABRT_ERR 0x04 /* Command aborted */ #define MCR_ERR 0x08 /* media change request */ #define ID_ERR 0x10 /* ID field not found */ @@ -52,6 +54,7 @@ #define ECC_ERR 0x40 /* Uncorrectable ECC error */ #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ +#define LFS_ERR 0xf0 /* Last Failed Sense (ATAPI) */ /* Bits of HD_NSECTOR */ #define CD 0x01 diff --git a/include/linux/ide.h b/include/linux/ide.h index 921cf717f22..0c1b0aaa286 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -416,36 +416,6 @@ typedef union { } b; } atapi_ireason_t; -/* - * The ATAPI error register. - * - * ili : Illegal Length Indication - * eom : End Of Media Detected - * abrt : Aborted command - As defined by ATA - * mcr : Media Change Requested - As defined by ATA - * sense_key : Sense key of the last failed packet command - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned ili :1; - unsigned eom :1; - unsigned abrt :1; - unsigned mcr :1; - unsigned sense_key :4; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned sense_key :4; - unsigned mcr :1; - unsigned abrt :1; - unsigned eom :1; - unsigned ili :1; -#else -#error "Please fix " -#endif - } b; -} atapi_error_t; - /* * Status returned from various ide_ functions */ -- cgit v1.2.3 From e5f9f5a89a01abc2b9c09747452aeb9218d6bffd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:12 +0100 Subject: ide: remove atapi_feature_t Remove atapi_feature_t. While at it: * replace 'HWIF(drive)' by 'hwif' Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 27 --------------------------- 1 file changed, 27 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 0c1b0aaa286..a638dde17e7 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -365,33 +365,6 @@ typedef union { } b; } select_t, ata_select_t; -/* - * ATAPI Feature Register - * - * dma : Using DMA or PIO - * reserved321 : Reserved - * reserved654 : Reserved (Tag Type) - * reserved7 : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned dma :1; - unsigned reserved321 :3; - unsigned reserved654 :3; - unsigned reserved7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved7 :1; - unsigned reserved654 :3; - unsigned reserved321 :3; - unsigned dma :1; -#else -#error "Please fix " -#endif - } b; -} atapi_feature_t; - /* * ATAPI Interrupt Reason Register. * -- cgit v1.2.3 From 790d1239898d4f893112280decd344d90f43ee96 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:12 +0100 Subject: ide: remove ata_nsector_t, ata_data_t and atapi_bcount_t Remove ata_nsector_t, ata_data_t (unused) and atapi_bcount_t. While at it: * replace 'HWIF(drive)' by 'hwif' Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 20 -------------------- 1 file changed, 20 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index a638dde17e7..cf1a5aaebd9 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -315,26 +315,6 @@ typedef union { } b; } special_t; -/* - * ATA DATA Register Special. - * ATA NSECTOR Count Register(). - * ATAPI Byte Count Register. - */ -typedef union { - unsigned all :16; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned low :8; /* LSB */ - unsigned high :8; /* MSB */ -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned high :8; /* MSB */ - unsigned low :8; /* LSB */ -#else -#error "Please fix " -#endif - } b; -} ata_nsector_t, ata_data_t, atapi_bcount_t; - /* * ATA-IDE Select Register, aka Device-Head * -- cgit v1.2.3 From 8e7657ae0f56c14882e53ffdae8055c2b1624de1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:12 +0100 Subject: ide: remove atapi_ireason_t (take 3) Remove atapi_ireason_t. While at it: * replace 'HWIF(drive)' by 'drive->hwif' (or just 'hwif' where possible) v2: * v1 had CD and IO bits reversed in many places. * Use CD and IO defines from . v3: * Fix incorrect "(ireason & IO) == test_bit()". (Noticed by Sergei) Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 24 ------------------------ 1 file changed, 24 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index cf1a5aaebd9..790ffa7f694 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -345,30 +345,6 @@ typedef union { } b; } select_t, ata_select_t; -/* - * ATAPI Interrupt Reason Register. - * - * cod : Information transferred is command (1) or data (0) - * io : The device requests us to read (1) or write (0) - * reserved : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned cod :1; - unsigned io :1; - unsigned reserved :6; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved :6; - unsigned io :1; - unsigned cod :1; -#else -#error "Please fix " -#endif - } b; -} atapi_ireason_t; - /* * Status returned from various ide_ functions */ -- cgit v1.2.3 From 2fc573881957337c4ea1c84b92d2f27d076cad57 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:13 +0100 Subject: ide: add ide_pktcmd_tf_load() helper Add ide_pktcmd_tf_load() helper and convert ATAPI device drivers to use it. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 790ffa7f694..20969eb1789 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -968,6 +968,8 @@ extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); +void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); + /* * taskfile io for disks for now...and builds request from ide_ioctl */ -- cgit v1.2.3 From cd3dbc99da337f2130f3cb2691fbb65c8bf22337 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:13 +0100 Subject: ide: remove QUIRK_LIST() Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 20969eb1789..7a144c9ee09 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -964,7 +964,6 @@ extern u32 ide_read_24(ide_drive_t *); extern void SELECT_DRIVE(ide_drive_t *); extern void SELECT_INTERRUPT(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); -extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); -- cgit v1.2.3 From f919790f8c929ab1b392ad1a0c2e1b53337b5071 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:13 +0100 Subject: ide: remove SELECT_INTERRUPT() Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 7a144c9ee09..e80351878b8 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -962,7 +962,6 @@ void ide_tf_load(ide_drive_t *, ide_task_t *); extern u32 ide_read_24(ide_drive_t *); extern void SELECT_DRIVE(ide_drive_t *); -extern void SELECT_INTERRUPT(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); extern int drive_is_ready(ide_drive_t *); -- cgit v1.2.3 From 7299a3918442dc9a5abb71b9f65b1dd17637c8c0 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:14 +0100 Subject: ide: remove hwif->intrproc Given that: * hpt366.c::hpt3xx_intrproc() is the only user of hwif->intrproc * hpt366.c::hpt3xx_quirkproc() sets drive->quirk_list to 1 for quirky drives which is a value unique to hpt366 host driver we can remove hwif->intproc and just check for drive->quirk_list == 1 in ide_do_request(). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index e80351878b8..90f83b65eb8 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -524,8 +524,6 @@ typedef struct hwif_s { void (*pre_reset)(ide_drive_t *); /* routine to reset controller after a disk reset */ void (*resetproc)(ide_drive_t *); - /* special interrupt handling for shared pci interrupts */ - void (*intrproc)(ide_drive_t *); /* special host masking for drive selection */ void (*maskproc)(ide_drive_t *, int); /* check host's drive quirk list */ -- cgit v1.2.3 From ac026ff254b32915bb14ba97a23b4019d137f181 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:14 +0100 Subject: ide: remove 'command_type' field from ide_task_t * Add 'data_buf' and 'nsect' variables in ide_taskfile_ioctl() to cache data buffer pointer and number of sectors to transfer (this allows us to have only one ide_diag_taskfile() call). * Add IDE_TFLAG_WRITE taskfile flag and use it to check whether the REQ_RW request flag should be set. * Move ->command_type handling from ide_diag_taskfile() to ide_taskfile_ioctl() and use ->req_cmd instead of ->command_type. * Add 'nsect' parameter to ide_raw_taskfile(). * Merge ide_diag_taskfile() into ide_raw_taskfile(). * Initialize ->data_phase explicitly in idedisk_prepare_flush(), ide_start_power_step() and ide_disk_special(). * Remove no longer needed 'command_type' field from ide_task_t. * Add #ifndef/#endif __KERNEL__ to around no longer used by kernel IDE_DRIVE_TASK_* and TASKFILE_* defines. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/hdreg.h | 13 +++++++------ include/linux/ide.h | 5 ++--- 2 files changed, 9 insertions(+), 9 deletions(-) (limited to 'include') diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 0521f1234f1..ff43f8d6b5b 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -73,13 +73,13 @@ #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8)) #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8)) -#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_NO_DATA 0 +#ifndef __KERNEL__ +#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_SET_XFER 1 - #define IDE_DRIVE_TASK_IN 2 - #define IDE_DRIVE_TASK_OUT 3 +#endif #define IDE_DRIVE_TASK_RAW_WRITE 4 /* @@ -166,9 +166,6 @@ typedef struct hd_drive_hob_hdr { } hob_struct_t; #endif -#define TASKFILE_INVALID 0x7fff -#define TASKFILE_48 0x8000 - #define TASKFILE_NO_DATA 0x0000 #define TASKFILE_IN 0x0001 @@ -183,12 +180,16 @@ typedef struct hd_drive_hob_hdr { #define TASKFILE_IN_DMAQ 0x0080 #define TASKFILE_OUT_DMAQ 0x0100 +#ifndef __KERNEL__ #define TASKFILE_P_IN 0x0200 #define TASKFILE_P_OUT 0x0400 #define TASKFILE_P_IN_DMA 0x0800 #define TASKFILE_P_OUT_DMA 0x1000 #define TASKFILE_P_IN_DMAQ 0x2000 #define TASKFILE_P_OUT_DMAQ 0x4000 +#define TASKFILE_48 0x8000 +#define TASKFILE_INVALID 0x7fff +#endif /* ATA/ATAPI Commands pre T13 Spec */ #define WIN_NOP 0x00 diff --git a/include/linux/ide.h b/include/linux/ide.h index 90f83b65eb8..7485fc705ca 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -909,6 +909,7 @@ enum { IDE_TFLAG_OUT_LBAM | IDE_TFLAG_OUT_LBAH, IDE_TFLAG_OUT_DEVICE = (1 << 14), + IDE_TFLAG_WRITE = (1 << 15), }; struct ide_taskfile { @@ -948,7 +949,6 @@ typedef struct ide_task_s { u16 tf_flags; ide_reg_valid_t tf_in_flags; int data_phase; - int command_type; ide_pre_handler_t *prehandler; ide_handler_t *handler; struct request *rq; /* copy of request */ @@ -983,8 +983,7 @@ extern ide_startstop_t task_no_data_intr(ide_drive_t *); extern ide_startstop_t task_in_intr(ide_drive_t *); extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); -extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *); - +int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); -- cgit v1.2.3 From 866e2ec9ce525de0e7c10d02ead8d85af27adffd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:14 +0100 Subject: ide: remove 'tf_in_flags' field from ide_task_t * Add IDE_TFLAG_IN_DATA taskfile flag to indicate the need of reading IDE_DATA_REG in ide_end_drive_cmd(). Set the new flag in ide_taskfile_ioctl() if ->in_flags.b.data is set. * Add IDE_TFLAG_FLAGGED_SET_IN_FLAGS taskfile flag to indicate the need of modifying ->in_flags in ide_taskfile_ioctl(). Set the new flag in flagged_taskfile() and move the code modifying ->tf_in_flags to ide_taskfile_ioctl(). While at it remove the bogus comment: ->tf_in_flags (except .b.data) have no effect on selection of registers to read. * Remove no longer needed 'tf_in_flags' field from ide_task_t. As the result we finally have the internals of HDIO_DRIVE_TASKFILE ioctl separated from the core IDE code. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 7485fc705ca..c23ef2df2cb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -910,6 +910,8 @@ enum { IDE_TFLAG_OUT_LBAH, IDE_TFLAG_OUT_DEVICE = (1 << 14), IDE_TFLAG_WRITE = (1 << 15), + IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), + IDE_TFLAG_IN_DATA = (1 << 17), }; struct ide_taskfile { @@ -946,8 +948,7 @@ typedef struct ide_task_s { struct ide_taskfile tf; u8 tf_array[14]; }; - u16 tf_flags; - ide_reg_valid_t tf_in_flags; + u32 tf_flags; int data_phase; ide_pre_handler_t *prehandler; ide_handler_t *handler; -- cgit v1.2.3 From 1edee60e9d994f2b9a79b1333be39790683541fe Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:15 +0100 Subject: ide: merge flagged_taskfile() into do_rw_taskfile() Based on the earlier work by Tejun Heo. task->data_phase == TASKFILE_MULTI_{IN,OUT} vs drive->mult_count == 0 check is needed also for ide_taskfile_ioctl() requests that don't have IDE_TFLAG_FLAGGED taskfile flag set. Cc: Tejun Heo Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 5 ----- 1 file changed, 5 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index c23ef2df2cb..849447572a6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -972,11 +972,6 @@ void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); */ extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -/* - * Special Flagged Register Validation Caller - */ -extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *); - extern ide_startstop_t set_multmode_intr(ide_drive_t *); extern ide_startstop_t set_geometry_intr(ide_drive_t *); extern ide_startstop_t recal_intr(ide_drive_t *); -- cgit v1.2.3 From 10d90157c83d4b6743c9063c36f9e7f27aa254b6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:16 +0100 Subject: ide: convert do_rw_taskfile() to use ->data_phase * Use task->data_phase in do_rw_taskfile() to decide what to do. * task->prehandler is only used by TASKFILE[_MULTI]_OUT so just use pre_task_out_intr() directly and remove no longer needed 'prehandler' field from ide_task_t. * Remove no longer needed ide_pre_handler_t type. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 849447572a6..2c28fb75915 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -626,7 +626,6 @@ typedef struct hwif_s { /* * internal ide interrupt handler type */ -typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *); typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); typedef int (ide_expiry_t)(ide_drive_t *); @@ -950,7 +949,6 @@ typedef struct ide_task_s { }; u32 tf_flags; int data_phase; - ide_pre_handler_t *prehandler; ide_handler_t *handler; struct request *rq; /* copy of request */ void *special; /* valid_t generally */ -- cgit v1.2.3 From 1192e528e064ebb9a578219731d2b0f78ca3c1ec Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:16 +0100 Subject: ide: use ->data_phase to set ->handler in do_rw_taskfile() * Use ->data_phase to set ->handler in do_rw_taskfile() instead of setting ->handler in callers of ide_raw_taskfile()/do_rw_taskfile(). * Unexport task_no_data_intr() and make it static. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 2c28fb75915..5d675f17203 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -973,7 +973,6 @@ extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); extern ide_startstop_t set_multmode_intr(ide_drive_t *); extern ide_startstop_t set_geometry_intr(ide_drive_t *); extern ide_startstop_t recal_intr(ide_drive_t *); -extern ide_startstop_t task_no_data_intr(ide_drive_t *); extern ide_startstop_t task_in_intr(ide_drive_t *); extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); -- cgit v1.2.3 From 57d7366b78b74a9eef873e8212c03d8c2033a764 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:16 +0100 Subject: ide: remove 'handler' field from ide_task_t (take 2) * Add IDE_TFLAG_CUSTOM_HANDLER taskfile flag and use it for internal requests which require custom handlers. Check the flag in do_rw_taskfile() and set handler accordingly. * Cleanup ide_init_{specify,restore,setmult}_cmd() and rename it to ide_tf_set_{specify,restore,setmult}_cmd(). * Make {set_geometry,recal,set_multmode}_intr() static. * Remove no longer needed 'handler' field from ide_task_t. v2: * 'handler' in do_rw_taskfile() must be set to NULL initially. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 5d675f17203..721c9d8f41a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -911,6 +911,7 @@ enum { IDE_TFLAG_WRITE = (1 << 15), IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), IDE_TFLAG_IN_DATA = (1 << 17), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), }; struct ide_taskfile { @@ -949,7 +950,6 @@ typedef struct ide_task_s { }; u32 tf_flags; int data_phase; - ide_handler_t *handler; struct request *rq; /* copy of request */ void *special; /* valid_t generally */ } ide_task_t; @@ -970,9 +970,6 @@ void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); */ extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -extern ide_startstop_t set_multmode_intr(ide_drive_t *); -extern ide_startstop_t set_geometry_intr(ide_drive_t *); -extern ide_startstop_t recal_intr(ide_drive_t *); extern ide_startstop_t task_in_intr(ide_drive_t *); extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); -- cgit v1.2.3 From f6e29e35cc0f9facf2eb0b0454f9b09021b5aa6f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:16 +0100 Subject: ide-disk: use do_rw_taskfile() (take 2) * Add IDE_TFLAG_DMA_PIO_FALLBACK taskfile flag to indicate the need to skip loading taskfile registers in do_rw_taskfile(). * Export do_rw_taskfile(). * Convert __ide_do_rw_disk() to use do_rw_taskfile(). * Unexport ide_tf_load(). * Unexport {pre_task_out,task_in}_intr() and make it static. * Remove incorrect comment about do_rw_taskfile() from . There should be no functionality changes caused by this patch. v2: * Add missing blk_fs_request() check to task_dma_ok() (for VDMA). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 721c9d8f41a..c333a7528d9 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -912,6 +912,7 @@ enum { IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), IDE_TFLAG_IN_DATA = (1 << 17), IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), }; struct ide_taskfile { @@ -965,13 +966,7 @@ extern int drive_is_ready(ide_drive_t *); void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); -/* - * taskfile io for disks for now...and builds request from ide_ioctl - */ -extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); - -extern ide_startstop_t task_in_intr(ide_drive_t *); -extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); +ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); -- cgit v1.2.3 From c2b57cdc1d2976444d451a2a2e43e11b61ed0638 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:17 +0100 Subject: ide: add ide_tf_read() helper * Factor out code reading taskfile registers from ide_end_drive_cmd() to the new ide_tf_read() helper. * Add IDE_TFLAG_IN_* taskfile flags to indicate the need to load particular IDE taskfile register in ide_tf_read(). * Update ide_end_drive_cmd() to set respective IDE_TFLAG_IN_* taksfile flags. * Add ide_get_lba_addr() for getting LBA sector address from taskfile struct. * Factor out code getting sector address from ide_dump_ata_status() to the new ide_dump_sector() function. * Convert ide_dump_sector() to use ide_tf_read() and ide_get_lba_addr(). * Remove no longer needed ide_read_24(). The only change in functionality caused by this patch is that ide_dump_ata_status() no longer prints "high"/"low" parts of LBA48 sector address (of course LBA48 sector address is still printed). Cc: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index c333a7528d9..67f98c096c0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -913,6 +913,27 @@ enum { IDE_TFLAG_IN_DATA = (1 << 17), IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), + IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), + IDE_TFLAG_IN_HOB_NSECT = (1 << 21), + IDE_TFLAG_IN_HOB_LBAL = (1 << 22), + IDE_TFLAG_IN_HOB_LBAM = (1 << 23), + IDE_TFLAG_IN_HOB_LBAH = (1 << 24), + IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | + IDE_TFLAG_IN_HOB_LBAM | + IDE_TFLAG_IN_HOB_LBAH, + IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | + IDE_TFLAG_IN_HOB_NSECT | + IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_NSECT = (1 << 25), + IDE_TFLAG_IN_LBAL = (1 << 26), + IDE_TFLAG_IN_LBAM = (1 << 27), + IDE_TFLAG_IN_LBAH = (1 << 28), + IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | + IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_LBAH, + IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | + IDE_TFLAG_IN_LBA, + IDE_TFLAG_IN_DEVICE = (1 << 29), }; struct ide_taskfile { @@ -956,8 +977,7 @@ typedef struct ide_task_s { } ide_task_t; void ide_tf_load(ide_drive_t *, ide_task_t *); - -extern u32 ide_read_24(ide_drive_t *); +void ide_tf_read(ide_drive_t *, ide_task_t *); extern void SELECT_DRIVE(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); -- cgit v1.2.3 From a501633c7d44087e806597d3a213d735346edd51 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:17 +0100 Subject: ide-disk: use ide_get_lba_addr() * Export ide_get_lba_addr(). * Convert idedisk_{read_native,set}_max_address() to use ide_get_lba_addr(). * Remove incorrect comment from idedisk_read_native_max_address() (noticed by Sergei). There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 67f98c096c0..ecaa96e613d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1238,6 +1238,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) return 0; } +u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { -- cgit v1.2.3 From 3071a9d00b8684899d93f368e670c4de0293df29 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:17 +0100 Subject: ide: make 'extra' field in struct ide_port_info u8 The maximum value used currently for 'extra' field in struct ide_port_info is 240. Make 'extra' u8 so it packs nicely together with enablebits[] and 'chipset' fields (ide_pci_enablebit_t is 3 bytes and hwif_chipset_t is 1 byte). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index ecaa96e613d..6f5b6b5e9c1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1111,7 +1111,7 @@ struct ide_port_info { void (*fixup)(ide_hwif_t *); ide_pci_enablebit_t enablebits[2]; hwif_chipset_t chipset; - unsigned int extra; + u8 extra; u32 host_flags; u8 pio_mask; u8 swdma_mask; -- cgit v1.2.3 From 4db90a145292327b95b03f6dcd3352327235cc36 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:18 +0100 Subject: ide: add IDE_HFLAG_ABUSE_SET_DMA_MODE host flag * Add IDE_HFLAG_ABUSE_SET_DMA_MODE host flag and use it to decide what to do with transfer modes < XFER_PIO_0 in ide_set_xfer_rate(). * Set IDE_HFLAG_ABUSE_SET_DMA_MODE in host drivers that need it (aec62xx, amd74xx, cs5520, cs5535, hpt34x, hpt366, pdc202xx_old, serverworks, tc86c001 and via82cxxx) and cleanup ->set_dma_mode methods in host drivers that don't (IDE core code guarantees that ->set_dma_mode will be called only for modes which are present in SWDMA/MWDMA/UDMA masks). While at it: * Add IDE_HFLAGS_HPT34X/HPT3XX/PDC202XX/SVWKS define in hpt34x/hpt366/pdc202xx_old/serverworks host driver. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/ide.h b/include/linux/ide.h index 6f5b6b5e9c1..1e4409937ec 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1094,6 +1094,7 @@ enum { IDE_HFLAG_IO_32BIT = (1 << 24), /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), + IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), }; #ifdef CONFIG_BLK_DEV_OFFBOARD -- cgit v1.2.3