diff options
Diffstat (limited to 'drivers/scsi/megaraid.c')
| -rw-r--r-- | drivers/scsi/megaraid.c | 1040 |
1 files changed, 382 insertions, 658 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 9504ec0ec68..7373255aa1e 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -39,6 +39,7 @@ #include <linux/completion.h> #include <linux/delay.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/reboot.h> #include <linux/module.h> #include <linux/list.h> @@ -2069,385 +2070,201 @@ mega_free_inquiry(void *inquiry, dma_addr_t dma_handle, struct pci_dev *pdev) #ifdef CONFIG_PROC_FS /* Following code handles /proc fs */ -#define CREATE_READ_PROC(string, func) create_proc_read_entry(string, \ - S_IRUSR | S_IFREG, \ - controller_proc_dir_entry, \ - func, adapter) - -/** - * mega_create_proc_entry() - * @index - index in soft state array - * @parent - parent node for this /proc entry - * - * Creates /proc entries for our controllers. - */ -static void -mega_create_proc_entry(int index, struct proc_dir_entry *parent) -{ - struct proc_dir_entry *controller_proc_dir_entry = NULL; - u8 string[64] = { 0 }; - adapter_t *adapter = hba_soft_state[index]; - - sprintf(string, "hba%d", adapter->host->host_no); - - controller_proc_dir_entry = - adapter->controller_proc_dir_entry = proc_mkdir(string, parent); - - if(!controller_proc_dir_entry) { - printk(KERN_WARNING "\nmegaraid: proc_mkdir failed\n"); - return; - } - adapter->proc_read = CREATE_READ_PROC("config", proc_read_config); - adapter->proc_stat = CREATE_READ_PROC("stat", proc_read_stat); - adapter->proc_mbox = CREATE_READ_PROC("mailbox", proc_read_mbox); -#if MEGA_HAVE_ENH_PROC - adapter->proc_rr = CREATE_READ_PROC("rebuild-rate", proc_rebuild_rate); - adapter->proc_battery = CREATE_READ_PROC("battery-status", - proc_battery); - - /* - * Display each physical drive on its channel - */ - adapter->proc_pdrvstat[0] = CREATE_READ_PROC("diskdrives-ch0", - proc_pdrv_ch0); - adapter->proc_pdrvstat[1] = CREATE_READ_PROC("diskdrives-ch1", - proc_pdrv_ch1); - adapter->proc_pdrvstat[2] = CREATE_READ_PROC("diskdrives-ch2", - proc_pdrv_ch2); - adapter->proc_pdrvstat[3] = CREATE_READ_PROC("diskdrives-ch3", - proc_pdrv_ch3); - - /* - * Display a set of up to 10 logical drive through each of following - * /proc entries - */ - adapter->proc_rdrvstat[0] = CREATE_READ_PROC("raiddrives-0-9", - proc_rdrv_10); - adapter->proc_rdrvstat[1] = CREATE_READ_PROC("raiddrives-10-19", - proc_rdrv_20); - adapter->proc_rdrvstat[2] = CREATE_READ_PROC("raiddrives-20-29", - proc_rdrv_30); - adapter->proc_rdrvstat[3] = CREATE_READ_PROC("raiddrives-30-39", - proc_rdrv_40); -#endif -} - - /** - * proc_read_config() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_config() + * @m - Synthetic file construction data + * @v - File iterator * * Display configuration information about the controller. */ static int -proc_read_config(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_config(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; - int len = 0; - - len += sprintf(page+len, "%s", MEGARAID_VERSION); + adapter_t *adapter = m->private; + seq_puts(m, MEGARAID_VERSION); if(adapter->product_info.product_name[0]) - len += sprintf(page+len, "%s\n", - adapter->product_info.product_name); - - len += sprintf(page+len, "Controller Type: "); + seq_printf(m, "%s\n", adapter->product_info.product_name); - if( adapter->flag & BOARD_MEMMAP ) { - len += sprintf(page+len, - "438/466/467/471/493/518/520/531/532\n"); - } - else { - len += sprintf(page+len, - "418/428/434\n"); - } + seq_puts(m, "Controller Type: "); - if(adapter->flag & BOARD_40LD) { - len += sprintf(page+len, - "Controller Supports 40 Logical Drives\n"); - } + if( adapter->flag & BOARD_MEMMAP ) + seq_puts(m, "438/466/467/471/493/518/520/531/532\n"); + else + seq_puts(m, "418/428/434\n"); - if(adapter->flag & BOARD_64BIT) { - len += sprintf(page+len, - "Controller capable of 64-bit memory addressing\n"); - } - if( adapter->has_64bit_addr ) { - len += sprintf(page+len, - "Controller using 64-bit memory addressing\n"); - } - else { - len += sprintf(page+len, - "Controller is not using 64-bit memory addressing\n"); - } + if(adapter->flag & BOARD_40LD) + seq_puts(m, "Controller Supports 40 Logical Drives\n"); - len += sprintf(page+len, "Base = %08lx, Irq = %d, ", adapter->base, - adapter->host->irq); - - len += sprintf(page+len, "Logical Drives = %d, Channels = %d\n", - adapter->numldrv, adapter->product_info.nchannels); - - len += sprintf(page+len, "Version =%s:%s, DRAM = %dMb\n", - adapter->fw_version, adapter->bios_version, - adapter->product_info.dram_size); - - len += sprintf(page+len, - "Controller Queue Depth = %d, Driver Queue Depth = %d\n", - adapter->product_info.max_commands, adapter->max_cmds); - - len += sprintf(page+len, "support_ext_cdb = %d\n", - adapter->support_ext_cdb); - len += sprintf(page+len, "support_random_del = %d\n", - adapter->support_random_del); - len += sprintf(page+len, "boot_ldrv_enabled = %d\n", - adapter->boot_ldrv_enabled); - len += sprintf(page+len, "boot_ldrv = %d\n", - adapter->boot_ldrv); - len += sprintf(page+len, "boot_pdrv_enabled = %d\n", - adapter->boot_pdrv_enabled); - len += sprintf(page+len, "boot_pdrv_ch = %d\n", - adapter->boot_pdrv_ch); - len += sprintf(page+len, "boot_pdrv_tgt = %d\n", - adapter->boot_pdrv_tgt); - len += sprintf(page+len, "quiescent = %d\n", - atomic_read(&adapter->quiescent)); - len += sprintf(page+len, "has_cluster = %d\n", - adapter->has_cluster); - - len += sprintf(page+len, "\nModule Parameters:\n"); - len += sprintf(page+len, "max_cmd_per_lun = %d\n", - max_cmd_per_lun); - len += sprintf(page+len, "max_sectors_per_io = %d\n", - max_sectors_per_io); - - *eof = 1; - - return len; + if(adapter->flag & BOARD_64BIT) + seq_puts(m, "Controller capable of 64-bit memory addressing\n"); + if( adapter->has_64bit_addr ) + seq_puts(m, "Controller using 64-bit memory addressing\n"); + else + seq_puts(m, "Controller is not using 64-bit memory addressing\n"); + + seq_printf(m, "Base = %08lx, Irq = %d, ", + adapter->base, adapter->host->irq); + + seq_printf(m, "Logical Drives = %d, Channels = %d\n", + adapter->numldrv, adapter->product_info.nchannels); + + seq_printf(m, "Version =%s:%s, DRAM = %dMb\n", + adapter->fw_version, adapter->bios_version, + adapter->product_info.dram_size); + + seq_printf(m, "Controller Queue Depth = %d, Driver Queue Depth = %d\n", + adapter->product_info.max_commands, adapter->max_cmds); + + seq_printf(m, "support_ext_cdb = %d\n", adapter->support_ext_cdb); + seq_printf(m, "support_random_del = %d\n", adapter->support_random_del); + seq_printf(m, "boot_ldrv_enabled = %d\n", adapter->boot_ldrv_enabled); + seq_printf(m, "boot_ldrv = %d\n", adapter->boot_ldrv); + seq_printf(m, "boot_pdrv_enabled = %d\n", adapter->boot_pdrv_enabled); + seq_printf(m, "boot_pdrv_ch = %d\n", adapter->boot_pdrv_ch); + seq_printf(m, "boot_pdrv_tgt = %d\n", adapter->boot_pdrv_tgt); + seq_printf(m, "quiescent = %d\n", + atomic_read(&adapter->quiescent)); + seq_printf(m, "has_cluster = %d\n", adapter->has_cluster); + + seq_puts(m, "\nModule Parameters:\n"); + seq_printf(m, "max_cmd_per_lun = %d\n", max_cmd_per_lun); + seq_printf(m, "max_sectors_per_io = %d\n", max_sectors_per_io); + return 0; } - - /** - * proc_read_stat() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_stat() + * @m - Synthetic file construction data + * @v - File iterator * - * Diaplay statistical information about the I/O activity. + * Display statistical information about the I/O activity. */ static int -proc_read_stat(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_stat(struct seq_file *m, void *v) { - adapter_t *adapter; - int len; + adapter_t *adapter = m->private; +#if MEGA_HAVE_STATS int i; +#endif - i = 0; /* avoid compilation warnings */ - len = 0; - adapter = (adapter_t *)data; - - len = sprintf(page, "Statistical Information for this controller\n"); - len += sprintf(page+len, "pend_cmds = %d\n", - atomic_read(&adapter->pend_cmds)); + seq_puts(m, "Statistical Information for this controller\n"); + seq_printf(m, "pend_cmds = %d\n", atomic_read(&adapter->pend_cmds)); #if MEGA_HAVE_STATS for(i = 0; i < adapter->numldrv; i++) { - len += sprintf(page+len, "Logical Drive %d:\n", i); - - len += sprintf(page+len, - "\tReads Issued = %lu, Writes Issued = %lu\n", - adapter->nreads[i], adapter->nwrites[i]); - - len += sprintf(page+len, - "\tSectors Read = %lu, Sectors Written = %lu\n", - adapter->nreadblocks[i], adapter->nwriteblocks[i]); - - len += sprintf(page+len, - "\tRead errors = %lu, Write errors = %lu\n\n", - adapter->rd_errors[i], adapter->wr_errors[i]); + seq_printf(m, "Logical Drive %d:\n", i); + seq_printf(m, "\tReads Issued = %lu, Writes Issued = %lu\n", + adapter->nreads[i], adapter->nwrites[i]); + seq_printf(m, "\tSectors Read = %lu, Sectors Written = %lu\n", + adapter->nreadblocks[i], adapter->nwriteblocks[i]); + seq_printf(m, "\tRead errors = %lu, Write errors = %lu\n\n", + adapter->rd_errors[i], adapter->wr_errors[i]); } #else - len += sprintf(page+len, - "IO and error counters not compiled in driver.\n"); + seq_puts(m, "IO and error counters not compiled in driver.\n"); #endif - - *eof = 1; - - return len; + return 0; } /** - * proc_read_mbox() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_mbox() + * @m - Synthetic file construction data + * @v - File iterator * * Display mailbox information for the last command issued. This information * is good for debugging. */ static int -proc_read_mbox(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_mbox(struct seq_file *m, void *v) { - - adapter_t *adapter = (adapter_t *)data; + adapter_t *adapter = m->private; volatile mbox_t *mbox = adapter->mbox; - int len = 0; - - len = sprintf(page, "Contents of Mail Box Structure\n"); - len += sprintf(page+len, " Fw Command = 0x%02x\n", - mbox->m_out.cmd); - len += sprintf(page+len, " Cmd Sequence = 0x%02x\n", - mbox->m_out.cmdid); - len += sprintf(page+len, " No of Sectors= %04d\n", - mbox->m_out.numsectors); - len += sprintf(page+len, " LBA = 0x%02x\n", - mbox->m_out.lba); - len += sprintf(page+len, " DTA = 0x%08x\n", - mbox->m_out.xferaddr); - len += sprintf(page+len, " Logical Drive= 0x%02x\n", - mbox->m_out.logdrv); - len += sprintf(page+len, " No of SG Elmt= 0x%02x\n", - mbox->m_out.numsgelements); - len += sprintf(page+len, " Busy = %01x\n", - mbox->m_in.busy); - len += sprintf(page+len, " Status = 0x%02x\n", - mbox->m_in.status); - - *eof = 1; - - return len; + + seq_puts(m, "Contents of Mail Box Structure\n"); + seq_printf(m, " Fw Command = 0x%02x\n", mbox->m_out.cmd); + seq_printf(m, " Cmd Sequence = 0x%02x\n", mbox->m_out.cmdid); + seq_printf(m, " No of Sectors= %04d\n", mbox->m_out.numsectors); + seq_printf(m, " LBA = 0x%02x\n", mbox->m_out.lba); + seq_printf(m, " DTA = 0x%08x\n", mbox->m_out.xferaddr); + seq_printf(m, " Logical Drive= 0x%02x\n", mbox->m_out.logdrv); + seq_printf(m, " No of SG Elmt= 0x%02x\n", mbox->m_out.numsgelements); + seq_printf(m, " Busy = %01x\n", mbox->m_in.busy); + seq_printf(m, " Status = 0x%02x\n", mbox->m_in.status); + return 0; } /** - * proc_rebuild_rate() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_rebuild_rate() + * @m - Synthetic file construction data + * @v - File iterator * * Display current rebuild rate */ static int -proc_rebuild_rate(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_rebuild_rate(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; + adapter_t *adapter = m->private; dma_addr_t dma_handle; caddr_t inquiry; struct pci_dev *pdev; - int len = 0; - if( make_local_pdev(adapter, &pdev) != 0 ) { - *eof = 1; - return len; - } + if( make_local_pdev(adapter, &pdev) != 0 ) + return 0; - if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) { - free_local_pdev(pdev); - *eof = 1; - return len; - } + if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) + goto free_pdev; if( mega_adapinq(adapter, dma_handle) != 0 ) { - - len = sprintf(page, "Adapter inquiry failed.\n"); - + seq_puts(m, "Adapter inquiry failed.\n"); printk(KERN_WARNING "megaraid: inquiry failed.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - free_local_pdev(pdev); - - *eof = 1; - - return len; + goto free_inquiry; } - if( adapter->flag & BOARD_40LD ) { - len = sprintf(page, "Rebuild Rate: [%d%%]\n", - ((mega_inquiry3 *)inquiry)->rebuild_rate); - } - else { - len = sprintf(page, "Rebuild Rate: [%d%%]\n", + if( adapter->flag & BOARD_40LD ) + seq_printf(m, "Rebuild Rate: [%d%%]\n", + ((mega_inquiry3 *)inquiry)->rebuild_rate); + else + seq_printf(m, "Rebuild Rate: [%d%%]\n", ((mraid_ext_inquiry *) - inquiry)->raid_inq.adapter_info.rebuild_rate); - } - + inquiry)->raid_inq.adapter_info.rebuild_rate); +free_inquiry: mega_free_inquiry(inquiry, dma_handle, pdev); - +free_pdev: free_local_pdev(pdev); - - *eof = 1; - - return len; + return 0; } /** - * proc_battery() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_battery() + * @m - Synthetic file construction data + * @v - File iterator * * Display information about the battery module on the controller. */ static int -proc_battery(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_battery(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; + adapter_t *adapter = m->private; dma_addr_t dma_handle; caddr_t inquiry; struct pci_dev *pdev; - u8 battery_status = 0; - char str[256]; - int len = 0; + u8 battery_status; - if( make_local_pdev(adapter, &pdev) != 0 ) { - *eof = 1; - return len; - } + if( make_local_pdev(adapter, &pdev) != 0 ) + return 0; - if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) { - free_local_pdev(pdev); - *eof = 1; - return len; - } + if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) + goto free_pdev; if( mega_adapinq(adapter, dma_handle) != 0 ) { - - len = sprintf(page, "Adapter inquiry failed.\n"); - + seq_printf(m, "Adapter inquiry failed.\n"); printk(KERN_WARNING "megaraid: inquiry failed.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - free_local_pdev(pdev); - - *eof = 1; - - return len; + goto free_inquiry; } if( adapter->flag & BOARD_40LD ) { @@ -2461,146 +2278,80 @@ proc_battery(char *page, char **start, off_t offset, int count, int *eof, /* * Decode the battery status */ - sprintf(str, "Battery Status:[%d]", battery_status); + seq_printf(m, "Battery Status:[%d]", battery_status); if(battery_status == MEGA_BATT_CHARGE_DONE) - strcat(str, " Charge Done"); + seq_puts(m, " Charge Done"); if(battery_status & MEGA_BATT_MODULE_MISSING) - strcat(str, " Module Missing"); + seq_puts(m, " Module Missing"); if(battery_status & MEGA_BATT_LOW_VOLTAGE) - strcat(str, " Low Voltage"); + seq_puts(m, " Low Voltage"); if(battery_status & MEGA_BATT_TEMP_HIGH) - strcat(str, " Temperature High"); + seq_puts(m, " Temperature High"); if(battery_status & MEGA_BATT_PACK_MISSING) - strcat(str, " Pack Missing"); + seq_puts(m, " Pack Missing"); if(battery_status & MEGA_BATT_CHARGE_INPROG) - strcat(str, " Charge In-progress"); + seq_puts(m, " Charge In-progress"); if(battery_status & MEGA_BATT_CHARGE_FAIL) - strcat(str, " Charge Fail"); + seq_puts(m, " Charge Fail"); if(battery_status & MEGA_BATT_CYCLES_EXCEEDED) - strcat(str, " Cycles Exceeded"); - - len = sprintf(page, "%s\n", str); + seq_puts(m, " Cycles Exceeded"); + seq_putc(m, '\n'); +free_inquiry: mega_free_inquiry(inquiry, dma_handle, pdev); - +free_pdev: free_local_pdev(pdev); - - *eof = 1; - - return len; -} - - -/** - * proc_pdrv_ch0() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state - * - * Display information about the physical drives on physical channel 0. - */ -static int -proc_pdrv_ch0(char *page, char **start, off_t offset, int count, int *eof, - void *data) -{ - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_pdrv(adapter, page, 0)); -} - - -/** - * proc_pdrv_ch1() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state - * - * Display information about the physical drives on physical channel 1. - */ -static int -proc_pdrv_ch1(char *page, char **start, off_t offset, int count, int *eof, - void *data) -{ - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_pdrv(adapter, page, 1)); + return 0; } -/** - * proc_pdrv_ch2() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state - * - * Display information about the physical drives on physical channel 2. +/* + * Display scsi inquiry */ -static int -proc_pdrv_ch2(char *page, char **start, off_t offset, int count, int *eof, - void *data) +static void +mega_print_inquiry(struct seq_file *m, char *scsi_inq) { - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_pdrv(adapter, page, 2)); -} + int i; + seq_puts(m, " Vendor: "); + seq_write(m, scsi_inq + 8, 8); + seq_puts(m, " Model: "); + seq_write(m, scsi_inq + 16, 16); + seq_puts(m, " Rev: "); + seq_write(m, scsi_inq + 32, 4); + seq_putc(m, '\n'); -/** - * proc_pdrv_ch3() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state - * - * Display information about the physical drives on physical channel 3. - */ -static int -proc_pdrv_ch3(char *page, char **start, off_t offset, int count, int *eof, - void *data) -{ - adapter_t *adapter = (adapter_t *)data; + i = scsi_inq[0] & 0x1f; + seq_printf(m, " Type: %s ", scsi_device_type(i)); - *eof = 1; + seq_printf(m, " ANSI SCSI revision: %02x", + scsi_inq[2] & 0x07); - return (proc_pdrv(adapter, page, 3)); + if( (scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1 ) + seq_puts(m, " CCS\n"); + else + seq_putc(m, '\n'); } - /** - * proc_pdrv() + * proc_show_pdrv() + * @m - Synthetic file construction data * @page - buffer to write the data in * @adapter - pointer to our soft state * * Display information about the physical drives. */ static int -proc_pdrv(adapter_t *adapter, char *page, int channel) +proc_show_pdrv(struct seq_file *m, adapter_t *adapter, int channel) { dma_addr_t dma_handle; char *scsi_inq; @@ -2611,32 +2362,24 @@ proc_pdrv(adapter_t *adapter, char *page, int channel) u8 state; int tgt; int max_channels; - int len = 0; - char str[80]; int i; - if( make_local_pdev(adapter, &pdev) != 0 ) { - return len; - } + if( make_local_pdev(adapter, &pdev) != 0 ) + return 0; - if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) { + if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) goto free_pdev; - } if( mega_adapinq(adapter, dma_handle) != 0 ) { - len = sprintf(page, "Adapter inquiry failed.\n"); - + seq_puts(m, "Adapter inquiry failed.\n"); printk(KERN_WARNING "megaraid: inquiry failed.\n"); - goto free_inquiry; } scsi_inq = pci_alloc_consistent(pdev, 256, &scsi_inq_dma_handle); - if( scsi_inq == NULL ) { - len = sprintf(page, "memory not available for scsi inq.\n"); - + seq_puts(m, "memory not available for scsi inq.\n"); goto free_inquiry; } @@ -2659,39 +2402,31 @@ proc_pdrv(adapter_t *adapter, char *page, int channel) i = channel*16 + tgt; state = *(pdrv_state + i); - switch( state & 0x0F ) { - case PDRV_ONLINE: - sprintf(str, - "Channel:%2d Id:%2d State: Online", - channel, tgt); + seq_printf(m, "Channel:%2d Id:%2d State: Online", + channel, tgt); break; case PDRV_FAILED: - sprintf(str, - "Channel:%2d Id:%2d State: Failed", - channel, tgt); + seq_printf(m, "Channel:%2d Id:%2d State: Failed", + channel, tgt); break; case PDRV_RBLD: - sprintf(str, - "Channel:%2d Id:%2d State: Rebuild", - channel, tgt); + seq_printf(m, "Channel:%2d Id:%2d State: Rebuild", + channel, tgt); break; case PDRV_HOTSPARE: - sprintf(str, - "Channel:%2d Id:%2d State: Hot spare", - channel, tgt); + seq_printf(m, "Channel:%2d Id:%2d State: Hot spare", + channel, tgt); break; default: - sprintf(str, - "Channel:%2d Id:%2d State: Un-configured", - channel, tgt); + seq_printf(m, "Channel:%2d Id:%2d State: Un-configured", + channel, tgt); break; - } /* @@ -2710,11 +2445,8 @@ proc_pdrv(adapter_t *adapter, char *page, int channel) * Check for overflow. We print less than 240 * characters for inquiry */ - if( (len + 240) >= PAGE_SIZE ) break; - - len += sprintf(page+len, "%s.\n", str); - - len += mega_print_inquiry(page+len, scsi_inq); + seq_puts(m, ".\n"); + mega_print_inquiry(m, scsi_inq); } free_pci: @@ -2723,150 +2455,68 @@ free_inquiry: mega_free_inquiry(inquiry, dma_handle, pdev); free_pdev: free_local_pdev(pdev); - - return len; -} - - -/* - * Display scsi inquiry - */ -static int -mega_print_inquiry(char *page, char *scsi_inq) -{ - int len = 0; - int i; - - len = sprintf(page, " Vendor: "); - for( i = 8; i < 16; i++ ) { - len += sprintf(page+len, "%c", scsi_inq[i]); - } - - len += sprintf(page+len, " Model: "); - - for( i = 16; i < 32; i++ ) { - len += sprintf(page+len, "%c", scsi_inq[i]); - } - - len += sprintf(page+len, " Rev: "); - - for( i = 32; i < 36; i++ ) { - len += sprintf(page+len, "%c", scsi_inq[i]); - } - - len += sprintf(page+len, "\n"); - - i = scsi_inq[0] & 0x1f; - - len += sprintf(page+len, " Type: %s ", scsi_device_type(i)); - - len += sprintf(page+len, - " ANSI SCSI revision: %02x", scsi_inq[2] & 0x07); - - if( (scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1 ) - len += sprintf(page+len, " CCS\n"); - else - len += sprintf(page+len, "\n"); - - return len; + return 0; } - /** - * proc_rdrv_10() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_pdrv_ch0() + * @m - Synthetic file construction data + * @v - File iterator * - * Display real time information about the logical drives 0 through 9. + * Display information about the physical drives on physical channel 0. */ static int -proc_rdrv_10(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_pdrv_ch0(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_rdrv(adapter, page, 0, 9)); + return proc_show_pdrv(m, m->private, 0); } /** - * proc_rdrv_20() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_pdrv_ch1() + * @m - Synthetic file construction data + * @v - File iterator * - * Display real time information about the logical drives 0 through 9. + * Display information about the physical drives on physical channel 1. */ static int -proc_rdrv_20(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_pdrv_ch1(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_rdrv(adapter, page, 10, 19)); + return proc_show_pdrv(m, m->private, 1); } /** - * proc_rdrv_30() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_pdrv_ch2() + * @m - Synthetic file construction data + * @v - File iterator * - * Display real time information about the logical drives 0 through 9. + * Display information about the physical drives on physical channel 2. */ static int -proc_rdrv_30(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_pdrv_ch2(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_rdrv(adapter, page, 20, 29)); + return proc_show_pdrv(m, m->private, 2); } /** - * proc_rdrv_40() - * @page - buffer to write the data in - * @start - where the actual data has been written in page - * @offset - same meaning as the read system call - * @count - same meaning as the read system call - * @eof - set if no more data needs to be returned - * @data - pointer to our soft state + * proc_show_pdrv_ch3() + * @m - Synthetic file construction data + * @v - File iterator * - * Display real time information about the logical drives 0 through 9. + * Display information about the physical drives on physical channel 3. */ static int -proc_rdrv_40(char *page, char **start, off_t offset, int count, int *eof, - void *data) +proc_show_pdrv_ch3(struct seq_file *m, void *v) { - adapter_t *adapter = (adapter_t *)data; - - *eof = 1; - - return (proc_rdrv(adapter, page, 30, 39)); + return proc_show_pdrv(m, m->private, 3); } /** - * proc_rdrv() - * @page - buffer to write the data in + * proc_show_rdrv() + * @m - Synthetic file construction data * @adapter - pointer to our soft state * @start - starting logical drive to display * @end - ending logical drive to display @@ -2875,7 +2525,7 @@ proc_rdrv_40(char *page, char **start, off_t offset, int count, int *eof, * /proc/scsi/scsi interface */ static int -proc_rdrv(adapter_t *adapter, char *page, int start, int end ) +proc_show_rdrv(struct seq_file *m, adapter_t *adapter, int start, int end ) { dma_addr_t dma_handle; logdrv_param *lparam; @@ -2887,29 +2537,18 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) u8 *rdrv_state; int num_ldrv; u32 array_sz; - int len = 0; int i; - if( make_local_pdev(adapter, &pdev) != 0 ) { - return len; - } + if( make_local_pdev(adapter, &pdev) != 0 ) + return 0; - if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) { - free_local_pdev(pdev); - return len; - } + if( (inquiry = mega_allocate_inquiry(&dma_handle, pdev)) == NULL ) + goto free_pdev; if( mega_adapinq(adapter, dma_handle) != 0 ) { - - len = sprintf(page, "Adapter inquiry failed.\n"); - + seq_puts(m, "Adapter inquiry failed.\n"); printk(KERN_WARNING "megaraid: inquiry failed.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - free_local_pdev(pdev); - - return len; + goto free_inquiry; } memset(&mc, 0, sizeof(megacmd_t)); @@ -2935,13 +2574,8 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) &disk_array_dma_handle); if( disk_array == NULL ) { - len = sprintf(page, "memory not available.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - free_local_pdev(pdev); - - return len; + seq_puts(m, "memory not available.\n"); + goto free_inquiry; } mc.xferaddr = (u32)disk_array_dma_handle; @@ -2951,17 +2585,8 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) mc.opcode = OP_DCMD_READ_CONFIG; if( mega_internal_command(adapter, &mc, NULL) ) { - - len = sprintf(page, "40LD read config failed.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - pci_free_consistent(pdev, array_sz, disk_array, - disk_array_dma_handle); - - free_local_pdev(pdev); - - return len; + seq_puts(m, "40LD read config failed.\n"); + goto free_pci; } } @@ -2969,24 +2594,10 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) mc.cmd = NEW_READ_CONFIG_8LD; if( mega_internal_command(adapter, &mc, NULL) ) { - mc.cmd = READ_CONFIG_8LD; - - if( mega_internal_command(adapter, &mc, - NULL) ){ - - len = sprintf(page, - "8LD read config failed.\n"); - - mega_free_inquiry(inquiry, dma_handle, pdev); - - pci_free_consistent(pdev, array_sz, - disk_array, - disk_array_dma_handle); - - free_local_pdev(pdev); - - return len; + if( mega_internal_command(adapter, &mc, NULL) ) { + seq_puts(m, "8LD read config failed.\n"); + goto free_pci; } } } @@ -3006,29 +2617,23 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) * Check for overflow. We print less than 240 characters for * information about each logical drive. */ - if( (len + 240) >= PAGE_SIZE ) break; - - len += sprintf(page+len, "Logical drive:%2d:, ", i); + seq_printf(m, "Logical drive:%2d:, ", i); switch( rdrv_state[i] & 0x0F ) { case RDRV_OFFLINE: - len += sprintf(page+len, "state: offline"); + seq_puts(m, "state: offline"); break; - case RDRV_DEGRADED: - len += sprintf(page+len, "state: degraded"); + seq_puts(m, "state: degraded"); break; - case RDRV_OPTIMAL: - len += sprintf(page+len, "state: optimal"); + seq_puts(m, "state: optimal"); break; - case RDRV_DELETED: - len += sprintf(page+len, "state: deleted"); + seq_puts(m, "state: deleted"); break; - default: - len += sprintf(page+len, "state: unknown"); + seq_puts(m, "state: unknown"); break; } @@ -3036,84 +2641,203 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) * Check if check consistency or initialization is going on * for this logical drive. */ - if( (rdrv_state[i] & 0xF0) == 0x20 ) { - len += sprintf(page+len, - ", check-consistency in progress"); - } - else if( (rdrv_state[i] & 0xF0) == 0x10 ) { - len += sprintf(page+len, - ", initialization in progress"); - } + if( (rdrv_state[i] & 0xF0) == 0x20 ) + seq_puts(m, ", check-consistency in progress"); + else if( (rdrv_state[i] & 0xF0) == 0x10 ) + seq_puts(m, ", initialization in progress"); - len += sprintf(page+len, "\n"); - - len += sprintf(page+len, "Span depth:%3d, ", - lparam->span_depth); - - len += sprintf(page+len, "RAID level:%3d, ", - lparam->level); - - len += sprintf(page+len, "Stripe size:%3d, ", - lparam->stripe_sz ? lparam->stripe_sz/2: 128); - - len += sprintf(page+len, "Row size:%3d\n", - lparam->row_size); + seq_putc(m, '\n'); + seq_printf(m, "Span depth:%3d, ", lparam->span_depth); + seq_printf(m, "RAID level:%3d, ", lparam->level); + seq_printf(m, "Stripe size:%3d, ", + lparam->stripe_sz ? lparam->stripe_sz/2: 128); + seq_printf(m, "Row size:%3d\n", lparam->row_size); - len += sprintf(page+len, "Read Policy: "); - + seq_puts(m, "Read Policy: "); switch(lparam->read_ahead) { - case NO_READ_AHEAD: - len += sprintf(page+len, "No read ahead, "); + seq_puts(m, "No read ahead, "); break; - case READ_AHEAD: - len += sprintf(page+len, "Read ahead, "); + seq_puts(m, "Read ahead, "); break; - case ADAP_READ_AHEAD: - len += sprintf(page+len, "Adaptive, "); + seq_puts(m, "Adaptive, "); break; } - len += sprintf(page+len, "Write Policy: "); - + seq_puts(m, "Write Policy: "); switch(lparam->write_mode) { - case WRMODE_WRITE_THRU: - len += sprintf(page+len, "Write thru, "); + seq_puts(m, "Write thru, "); break; - case WRMODE_WRITE_BACK: - len += sprintf(page+len, "Write back, "); + seq_puts(m, "Write back, "); break; } - len += sprintf(page+len, "Cache Policy: "); - + seq_puts(m, "Cache Policy: "); switch(lparam->direct_io) { - case CACHED_IO: - len += sprintf(page+len, "Cached IO\n\n"); + seq_puts(m, "Cached IO\n\n"); break; - case DIRECT_IO: - len += sprintf(page+len, "Direct IO\n\n"); + seq_puts(m, "Direct IO\n\n"); break; } } - mega_free_inquiry(inquiry, dma_handle, pdev); - +free_pci: pci_free_consistent(pdev, array_sz, disk_array, disk_array_dma_handle); - +free_inquiry: + mega_free_inquiry(inquiry, dma_handle, pdev); +free_pdev: free_local_pdev(pdev); + return 0; +} + +/** + * proc_show_rdrv_10() + * @m - Synthetic file construction data + * @v - File iterator + * + * Display real time information about the logical drives 0 through 9. + */ +static int +proc_show_rdrv_10(struct seq_file *m, void *v) +{ + return proc_show_rdrv(m, m->private, 0, 9); +} + + +/** + * proc_show_rdrv_20() + * @m - Synthetic file construction data + * @v - File iterator + * + * Display real time information about the logical drives 0 through 9. + */ +static int +proc_show_rdrv_20(struct seq_file *m, void *v) +{ + return proc_show_rdrv(m, m->private, 10, 19); +} + + +/** + * proc_show_rdrv_30() + * @m - Synthetic file construction data + * @v - File iterator + * + * Display real time information about the logical drives 0 through 9. + */ +static int +proc_show_rdrv_30(struct seq_file *m, void *v) +{ + return proc_show_rdrv(m, m->private, 20, 29); +} + + +/** + * proc_show_rdrv_40() + * @m - Synthetic file construction data + * @v - File iterator + * + * Display real time information about the logical drives 0 through 9. + */ +static int +proc_show_rdrv_40(struct seq_file *m, void *v) +{ + return proc_show_rdrv(m, m->private, 30, 39); +} + + +/* + * seq_file wrappers for procfile show routines. + */ +static int mega_proc_open(struct inode *inode, struct file *file) +{ + adapter_t *adapter = proc_get_parent_data(inode); + int (*show)(struct seq_file *, void *) = PDE_DATA(inode); + + return single_open(file, show, adapter); +} + +static const struct file_operations mega_proc_fops = { + .open = mega_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + +/* + * Table of proc files we need to create. + */ +struct mega_proc_file { + const char *name; + unsigned short ptr_offset; + int (*show) (struct seq_file *m, void *v); +}; + +static const struct mega_proc_file mega_proc_files[] = { + { "config", offsetof(adapter_t, proc_read), proc_show_config }, + { "stat", offsetof(adapter_t, proc_stat), proc_show_stat }, + { "mailbox", offsetof(adapter_t, proc_mbox), proc_show_mbox }, +#if MEGA_HAVE_ENH_PROC + { "rebuild-rate", offsetof(adapter_t, proc_rr), proc_show_rebuild_rate }, + { "battery-status", offsetof(adapter_t, proc_battery), proc_show_battery }, + { "diskdrives-ch0", offsetof(adapter_t, proc_pdrvstat[0]), proc_show_pdrv_ch0 }, + { "diskdrives-ch1", offsetof(adapter_t, proc_pdrvstat[1]), proc_show_pdrv_ch1 }, + { "diskdrives-ch2", offsetof(adapter_t, proc_pdrvstat[2]), proc_show_pdrv_ch2 }, + { "diskdrives-ch3", offsetof(adapter_t, proc_pdrvstat[3]), proc_show_pdrv_ch3 }, + { "raiddrives-0-9", offsetof(adapter_t, proc_rdrvstat[0]), proc_show_rdrv_10 }, + { "raiddrives-10-19", offsetof(adapter_t, proc_rdrvstat[1]), proc_show_rdrv_20 }, + { "raiddrives-20-29", offsetof(adapter_t, proc_rdrvstat[2]), proc_show_rdrv_30 }, + { "raiddrives-30-39", offsetof(adapter_t, proc_rdrvstat[3]), proc_show_rdrv_40 }, +#endif + { NULL } +}; - return len; +/** + * mega_create_proc_entry() + * @index - index in soft state array + * @parent - parent node for this /proc entry + * + * Creates /proc entries for our controllers. + */ +static void +mega_create_proc_entry(int index, struct proc_dir_entry *parent) +{ + const struct mega_proc_file *f; + adapter_t *adapter = hba_soft_state[index]; + struct proc_dir_entry *dir, *de, **ppde; + u8 string[16]; + + sprintf(string, "hba%d", adapter->host->host_no); + + dir = adapter->controller_proc_dir_entry = + proc_mkdir_data(string, 0, parent, adapter); + if(!dir) { + printk(KERN_WARNING "\nmegaraid: proc_mkdir failed\n"); + return; + } + + for (f = mega_proc_files; f->name; f++) { + de = proc_create_data(f->name, S_IRUSR, dir, &mega_proc_fops, + f->show); + if (!de) { + printk(KERN_WARNING "\nmegaraid: proc_create failed\n"); + return; + } + + ppde = (void *)adapter + f->ptr_offset; + *ppde = de; + } } + #else static inline void mega_create_proc_entry(int index, struct proc_dir_entry *parent) { |