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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /drivers/scsi/megaraid/megaraid_sas.c
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c1017
1 files changed, 942 insertions, 75 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a39addc3a596..99e4478c3f3e 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -10,7 +10,7 @@
10 * 2 of the License, or (at your option) any later version. 10 * 2 of the License, or (at your option) any later version.
11 * 11 *
12 * FILE : megaraid_sas.c 12 * FILE : megaraid_sas.c
13 * Version : v00.00.04.01-rc1 13 * Version : v00.00.04.17.1-rc1
14 * 14 *
15 * Authors: 15 * Authors:
16 * (email-id : megaraidlinux@lsi.com) 16 * (email-id : megaraidlinux@lsi.com)
@@ -35,11 +35,13 @@
35#include <linux/delay.h> 35#include <linux/delay.h>
36#include <linux/smp_lock.h> 36#include <linux/smp_lock.h>
37#include <linux/uio.h> 37#include <linux/uio.h>
38#include <linux/slab.h>
38#include <asm/uaccess.h> 39#include <asm/uaccess.h>
39#include <linux/fs.h> 40#include <linux/fs.h>
40#include <linux/compat.h> 41#include <linux/compat.h>
41#include <linux/blkdev.h> 42#include <linux/blkdev.h>
42#include <linux/mutex.h> 43#include <linux/mutex.h>
44#include <linux/poll.h>
43 45
44#include <scsi/scsi.h> 46#include <scsi/scsi.h>
45#include <scsi/scsi_cmnd.h> 47#include <scsi/scsi_cmnd.h>
@@ -75,6 +77,10 @@ static struct pci_device_id megasas_pci_table[] = {
75 /* gen2*/ 77 /* gen2*/
76 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)}, 78 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)},
77 /* gen2*/ 79 /* gen2*/
80 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)},
81 /* skinny*/
82 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)},
83 /* skinny*/
78 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)}, 84 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
79 /* xscale IOP, vega */ 85 /* xscale IOP, vega */
80 {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)}, 86 {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
@@ -89,8 +95,14 @@ static struct megasas_mgmt_info megasas_mgmt_info;
89static struct fasync_struct *megasas_async_queue; 95static struct fasync_struct *megasas_async_queue;
90static DEFINE_MUTEX(megasas_async_queue_mutex); 96static DEFINE_MUTEX(megasas_async_queue_mutex);
91 97
98static int megasas_poll_wait_aen;
99static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);
100static u32 support_poll_for_event;
92static u32 megasas_dbg_lvl; 101static u32 megasas_dbg_lvl;
93 102
103/* define lock for aen poll */
104spinlock_t poll_aen_lock;
105
94static void 106static void
95megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, 107megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
96 u8 alt_status); 108 u8 alt_status);
@@ -215,7 +227,10 @@ megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs)
215 * @regs : MFI register set 227 * @regs : MFI register set
216 */ 228 */
217static inline void 229static inline void
218megasas_fire_cmd_xscale(dma_addr_t frame_phys_addr,u32 frame_count, struct megasas_register_set __iomem *regs) 230megasas_fire_cmd_xscale(struct megasas_instance *instance,
231 dma_addr_t frame_phys_addr,
232 u32 frame_count,
233 struct megasas_register_set __iomem *regs)
219{ 234{
220 writel((frame_phys_addr >> 3)|(frame_count), 235 writel((frame_phys_addr >> 3)|(frame_count),
221 &(regs)->inbound_queue_port); 236 &(regs)->inbound_queue_port);
@@ -312,7 +327,10 @@ megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs)
312 * @regs : MFI register set 327 * @regs : MFI register set
313 */ 328 */
314static inline void 329static inline void
315megasas_fire_cmd_ppc(dma_addr_t frame_phys_addr, u32 frame_count, struct megasas_register_set __iomem *regs) 330megasas_fire_cmd_ppc(struct megasas_instance *instance,
331 dma_addr_t frame_phys_addr,
332 u32 frame_count,
333 struct megasas_register_set __iomem *regs)
316{ 334{
317 writel((frame_phys_addr | (frame_count<<1))|1, 335 writel((frame_phys_addr | (frame_count<<1))|1,
318 &(regs)->inbound_queue_port); 336 &(regs)->inbound_queue_port);
@@ -328,6 +346,104 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
328}; 346};
329 347
330/** 348/**
349 * megasas_enable_intr_skinny - Enables interrupts
350 * @regs: MFI register set
351 */
352static inline void
353megasas_enable_intr_skinny(struct megasas_register_set __iomem *regs)
354{
355 writel(0xFFFFFFFF, &(regs)->outbound_intr_mask);
356
357 writel(~MFI_SKINNY_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
358
359 /* Dummy readl to force pci flush */
360 readl(&regs->outbound_intr_mask);
361}
362
363/**
364 * megasas_disable_intr_skinny - Disables interrupt
365 * @regs: MFI register set
366 */
367static inline void
368megasas_disable_intr_skinny(struct megasas_register_set __iomem *regs)
369{
370 u32 mask = 0xFFFFFFFF;
371 writel(mask, &regs->outbound_intr_mask);
372 /* Dummy readl to force pci flush */
373 readl(&regs->outbound_intr_mask);
374}
375
376/**
377 * megasas_read_fw_status_reg_skinny - returns the current FW status value
378 * @regs: MFI register set
379 */
380static u32
381megasas_read_fw_status_reg_skinny(struct megasas_register_set __iomem *regs)
382{
383 return readl(&(regs)->outbound_scratch_pad);
384}
385
386/**
387 * megasas_clear_interrupt_skinny - Check & clear interrupt
388 * @regs: MFI register set
389 */
390static int
391megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs)
392{
393 u32 status;
394 /*
395 * Check if it is our interrupt
396 */
397 status = readl(&regs->outbound_intr_status);
398
399 if (!(status & MFI_SKINNY_ENABLE_INTERRUPT_MASK)) {
400 return 1;
401 }
402
403 /*
404 * Clear the interrupt by writing back the same value
405 */
406 writel(status, &regs->outbound_intr_status);
407
408 /*
409 * dummy read to flush PCI
410 */
411 readl(&regs->outbound_intr_status);
412
413 return 0;
414}
415
416/**
417 * megasas_fire_cmd_skinny - Sends command to the FW
418 * @frame_phys_addr : Physical address of cmd
419 * @frame_count : Number of frames for the command
420 * @regs : MFI register set
421 */
422static inline void
423megasas_fire_cmd_skinny(struct megasas_instance *instance,
424 dma_addr_t frame_phys_addr,
425 u32 frame_count,
426 struct megasas_register_set __iomem *regs)
427{
428 unsigned long flags;
429 spin_lock_irqsave(&instance->fire_lock, flags);
430 writel(0, &(regs)->inbound_high_queue_port);
431 writel((frame_phys_addr | (frame_count<<1))|1,
432 &(regs)->inbound_low_queue_port);
433 spin_unlock_irqrestore(&instance->fire_lock, flags);
434}
435
436static struct megasas_instance_template megasas_instance_template_skinny = {
437
438 .fire_cmd = megasas_fire_cmd_skinny,
439 .enable_intr = megasas_enable_intr_skinny,
440 .disable_intr = megasas_disable_intr_skinny,
441 .clear_intr = megasas_clear_intr_skinny,
442 .read_fw_status_reg = megasas_read_fw_status_reg_skinny,
443};
444
445
446/**
331* The following functions are defined for gen2 (deviceid : 0x78 0x79) 447* The following functions are defined for gen2 (deviceid : 0x78 0x79)
332* controllers 448* controllers
333*/ 449*/
@@ -404,7 +520,9 @@ megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs)
404 * @regs : MFI register set 520 * @regs : MFI register set
405 */ 521 */
406static inline void 522static inline void
407megasas_fire_cmd_gen2(dma_addr_t frame_phys_addr, u32 frame_count, 523megasas_fire_cmd_gen2(struct megasas_instance *instance,
524 dma_addr_t frame_phys_addr,
525 u32 frame_count,
408 struct megasas_register_set __iomem *regs) 526 struct megasas_register_set __iomem *regs)
409{ 527{
410 writel((frame_phys_addr | (frame_count<<1))|1, 528 writel((frame_phys_addr | (frame_count<<1))|1,
@@ -446,7 +564,8 @@ megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd)
446 /* 564 /*
447 * Issue the frame using inbound queue port 565 * Issue the frame using inbound queue port
448 */ 566 */
449 instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set); 567 instance->instancet->fire_cmd(instance,
568 cmd->frame_phys_addr, 0, instance->reg_set);
450 569
451 /* 570 /*
452 * Wait for cmd_status to change 571 * Wait for cmd_status to change
@@ -477,7 +596,8 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance,
477{ 596{
478 cmd->cmd_status = ENODATA; 597 cmd->cmd_status = ENODATA;
479 598
480 instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set); 599 instance->instancet->fire_cmd(instance,
600 cmd->frame_phys_addr, 0, instance->reg_set);
481 601
482 wait_event_timeout(instance->int_cmd_wait_q, (cmd->cmd_status != ENODATA), 602 wait_event_timeout(instance->int_cmd_wait_q, (cmd->cmd_status != ENODATA),
483 MEGASAS_INTERNAL_CMD_WAIT_TIME*HZ); 603 MEGASAS_INTERNAL_CMD_WAIT_TIME*HZ);
@@ -522,7 +642,8 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
522 cmd->sync_cmd = 1; 642 cmd->sync_cmd = 1;
523 cmd->cmd_status = 0xFF; 643 cmd->cmd_status = 0xFF;
524 644
525 instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set); 645 instance->instancet->fire_cmd(instance,
646 cmd->frame_phys_addr, 0, instance->reg_set);
526 647
527 /* 648 /*
528 * Wait for this cmd to complete 649 * Wait for this cmd to complete
@@ -592,6 +713,35 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
592 return sge_count; 713 return sge_count;
593} 714}
594 715
716/**
717 * megasas_make_sgl_skinny - Prepares IEEE SGL
718 * @instance: Adapter soft state
719 * @scp: SCSI command from the mid-layer
720 * @mfi_sgl: SGL to be filled in
721 *
722 * If successful, this function returns the number of SG elements. Otherwise,
723 * it returnes -1.
724 */
725static int
726megasas_make_sgl_skinny(struct megasas_instance *instance,
727 struct scsi_cmnd *scp, union megasas_sgl *mfi_sgl)
728{
729 int i;
730 int sge_count;
731 struct scatterlist *os_sgl;
732
733 sge_count = scsi_dma_map(scp);
734
735 if (sge_count) {
736 scsi_for_each_sg(scp, os_sgl, sge_count, i) {
737 mfi_sgl->sge_skinny[i].length = sg_dma_len(os_sgl);
738 mfi_sgl->sge_skinny[i].phys_addr =
739 sg_dma_address(os_sgl);
740 }
741 }
742 return sge_count;
743}
744
595 /** 745 /**
596 * megasas_get_frame_count - Computes the number of frames 746 * megasas_get_frame_count - Computes the number of frames
597 * @frame_type : type of frame- io or pthru frame 747 * @frame_type : type of frame- io or pthru frame
@@ -600,7 +750,8 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
600 * Returns the number of frames required for numnber of sge's (sge_count) 750 * Returns the number of frames required for numnber of sge's (sge_count)
601 */ 751 */
602 752
603static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type) 753static u32 megasas_get_frame_count(struct megasas_instance *instance,
754 u8 sge_count, u8 frame_type)
604{ 755{
605 int num_cnt; 756 int num_cnt;
606 int sge_bytes; 757 int sge_bytes;
@@ -610,6 +761,10 @@ static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
610 sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : 761 sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
611 sizeof(struct megasas_sge32); 762 sizeof(struct megasas_sge32);
612 763
764 if (instance->flag_ieee) {
765 sge_sz = sizeof(struct megasas_sge_skinny);
766 }
767
613 /* 768 /*
614 * Main frame can contain 2 SGEs for 64-bit SGLs and 769 * Main frame can contain 2 SGEs for 64-bit SGLs and
615 * 3 SGEs for 32-bit SGLs for ldio & 770 * 3 SGEs for 32-bit SGLs for ldio &
@@ -617,12 +772,16 @@ static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
617 * 2 SGEs for 32-bit SGLs for pthru frame 772 * 2 SGEs for 32-bit SGLs for pthru frame
618 */ 773 */
619 if (unlikely(frame_type == PTHRU_FRAME)) { 774 if (unlikely(frame_type == PTHRU_FRAME)) {
620 if (IS_DMA64) 775 if (instance->flag_ieee == 1) {
776 num_cnt = sge_count - 1;
777 } else if (IS_DMA64)
621 num_cnt = sge_count - 1; 778 num_cnt = sge_count - 1;
622 else 779 else
623 num_cnt = sge_count - 2; 780 num_cnt = sge_count - 2;
624 } else { 781 } else {
625 if (IS_DMA64) 782 if (instance->flag_ieee == 1) {
783 num_cnt = sge_count - 1;
784 } else if (IS_DMA64)
626 num_cnt = sge_count - 2; 785 num_cnt = sge_count - 2;
627 else 786 else
628 num_cnt = sge_count - 3; 787 num_cnt = sge_count - 3;
@@ -671,6 +830,10 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
671 else if (scp->sc_data_direction == PCI_DMA_NONE) 830 else if (scp->sc_data_direction == PCI_DMA_NONE)
672 flags = MFI_FRAME_DIR_NONE; 831 flags = MFI_FRAME_DIR_NONE;
673 832
833 if (instance->flag_ieee == 1) {
834 flags |= MFI_FRAME_IEEE;
835 }
836
674 /* 837 /*
675 * Prepare the DCDB frame 838 * Prepare the DCDB frame
676 */ 839 */
@@ -681,15 +844,31 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
681 pthru->lun = scp->device->lun; 844 pthru->lun = scp->device->lun;
682 pthru->cdb_len = scp->cmd_len; 845 pthru->cdb_len = scp->cmd_len;
683 pthru->timeout = 0; 846 pthru->timeout = 0;
847 pthru->pad_0 = 0;
684 pthru->flags = flags; 848 pthru->flags = flags;
685 pthru->data_xfer_len = scsi_bufflen(scp); 849 pthru->data_xfer_len = scsi_bufflen(scp);
686 850
687 memcpy(pthru->cdb, scp->cmnd, scp->cmd_len); 851 memcpy(pthru->cdb, scp->cmnd, scp->cmd_len);
688 852
689 /* 853 /*
854 * If the command is for the tape device, set the
855 * pthru timeout to the os layer timeout value.
856 */
857 if (scp->device->type == TYPE_TAPE) {
858 if ((scp->request->timeout / HZ) > 0xFFFF)
859 pthru->timeout = 0xFFFF;
860 else
861 pthru->timeout = scp->request->timeout / HZ;
862 }
863
864 /*
690 * Construct SGL 865 * Construct SGL
691 */ 866 */
692 if (IS_DMA64) { 867 if (instance->flag_ieee == 1) {
868 pthru->flags |= MFI_FRAME_SGL64;
869 pthru->sge_count = megasas_make_sgl_skinny(instance, scp,
870 &pthru->sgl);
871 } else if (IS_DMA64) {
693 pthru->flags |= MFI_FRAME_SGL64; 872 pthru->flags |= MFI_FRAME_SGL64;
694 pthru->sge_count = megasas_make_sgl64(instance, scp, 873 pthru->sge_count = megasas_make_sgl64(instance, scp,
695 &pthru->sgl); 874 &pthru->sgl);
@@ -697,6 +876,12 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
697 pthru->sge_count = megasas_make_sgl32(instance, scp, 876 pthru->sge_count = megasas_make_sgl32(instance, scp,
698 &pthru->sgl); 877 &pthru->sgl);
699 878
879 if (pthru->sge_count > instance->max_num_sge) {
880 printk(KERN_ERR "megasas: DCDB two many SGE NUM=%x\n",
881 pthru->sge_count);
882 return 0;
883 }
884
700 /* 885 /*
701 * Sense info specific 886 * Sense info specific
702 */ 887 */
@@ -708,7 +893,7 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
708 * Compute the total number of frames this command consumes. FW uses 893 * Compute the total number of frames this command consumes. FW uses
709 * this number to pull sufficient number of frames from host memory. 894 * this number to pull sufficient number of frames from host memory.
710 */ 895 */
711 cmd->frame_count = megasas_get_frame_count(pthru->sge_count, 896 cmd->frame_count = megasas_get_frame_count(instance, pthru->sge_count,
712 PTHRU_FRAME); 897 PTHRU_FRAME);
713 898
714 return cmd->frame_count; 899 return cmd->frame_count;
@@ -739,6 +924,10 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
739 else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) 924 else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
740 flags = MFI_FRAME_DIR_READ; 925 flags = MFI_FRAME_DIR_READ;
741 926
927 if (instance->flag_ieee == 1) {
928 flags |= MFI_FRAME_IEEE;
929 }
930
742 /* 931 /*
743 * Prepare the Logical IO frame: 2nd bit is zero for all read cmds 932 * Prepare the Logical IO frame: 2nd bit is zero for all read cmds
744 */ 933 */
@@ -809,12 +998,22 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
809 /* 998 /*
810 * Construct SGL 999 * Construct SGL
811 */ 1000 */
812 if (IS_DMA64) { 1001 if (instance->flag_ieee) {
1002 ldio->flags |= MFI_FRAME_SGL64;
1003 ldio->sge_count = megasas_make_sgl_skinny(instance, scp,
1004 &ldio->sgl);
1005 } else if (IS_DMA64) {
813 ldio->flags |= MFI_FRAME_SGL64; 1006 ldio->flags |= MFI_FRAME_SGL64;
814 ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl); 1007 ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl);
815 } else 1008 } else
816 ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl); 1009 ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl);
817 1010
1011 if (ldio->sge_count > instance->max_num_sge) {
1012 printk(KERN_ERR "megasas: build_ld_io: sge_count = %x\n",
1013 ldio->sge_count);
1014 return 0;
1015 }
1016
818 /* 1017 /*
819 * Sense info specific 1018 * Sense info specific
820 */ 1019 */
@@ -826,7 +1025,8 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
826 * Compute the total number of frames this command consumes. FW uses 1025 * Compute the total number of frames this command consumes. FW uses
827 * this number to pull sufficient number of frames from host memory. 1026 * this number to pull sufficient number of frames from host memory.
828 */ 1027 */
829 cmd->frame_count = megasas_get_frame_count(ldio->sge_count, IO_FRAME); 1028 cmd->frame_count = megasas_get_frame_count(instance,
1029 ldio->sge_count, IO_FRAME);
830 1030
831 return cmd->frame_count; 1031 return cmd->frame_count;
832} 1032}
@@ -983,7 +1183,8 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
983 */ 1183 */
984 atomic_inc(&instance->fw_outstanding); 1184 atomic_inc(&instance->fw_outstanding);
985 1185
986 instance->instancet->fire_cmd(cmd->frame_phys_addr ,cmd->frame_count-1,instance->reg_set); 1186 instance->instancet->fire_cmd(instance, cmd->frame_phys_addr,
1187 cmd->frame_count-1, instance->reg_set);
987 /* 1188 /*
988 * Check if we have pend cmds to be completed 1189 * Check if we have pend cmds to be completed
989 */ 1190 */
@@ -1000,24 +1201,76 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
1000 return 0; 1201 return 0;
1001} 1202}
1002 1203
1204static struct megasas_instance *megasas_lookup_instance(u16 host_no)
1205{
1206 int i;
1207
1208 for (i = 0; i < megasas_mgmt_info.max_index; i++) {
1209
1210 if ((megasas_mgmt_info.instance[i]) &&
1211 (megasas_mgmt_info.instance[i]->host->host_no == host_no))
1212 return megasas_mgmt_info.instance[i];
1213 }
1214
1215 return NULL;
1216}
1217
1003static int megasas_slave_configure(struct scsi_device *sdev) 1218static int megasas_slave_configure(struct scsi_device *sdev)
1004{ 1219{
1220 u16 pd_index = 0;
1221 struct megasas_instance *instance ;
1222
1223 instance = megasas_lookup_instance(sdev->host->host_no);
1224
1005 /* 1225 /*
1006 * Don't export physical disk devices to the disk driver. 1226 * Don't export physical disk devices to the disk driver.
1007 * 1227 *
1008 * FIXME: Currently we don't export them to the midlayer at all. 1228 * FIXME: Currently we don't export them to the midlayer at all.
1009 * That will be fixed once LSI engineers have audited the 1229 * That will be fixed once LSI engineers have audited the
1010 * firmware for possible issues. 1230 * firmware for possible issues.
1011 */ 1231 */
1012 if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK) 1232 if (sdev->channel < MEGASAS_MAX_PD_CHANNELS &&
1233 sdev->type == TYPE_DISK) {
1234 pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
1235 sdev->id;
1236 if (instance->pd_list[pd_index].driveState ==
1237 MR_PD_STATE_SYSTEM) {
1238 blk_queue_rq_timeout(sdev->request_queue,
1239 MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
1240 return 0;
1241 }
1013 return -ENXIO; 1242 return -ENXIO;
1243 }
1014 1244
1015 /* 1245 /*
1016 * The RAID firmware may require extended timeouts. 1246 * The RAID firmware may require extended timeouts.
1017 */ 1247 */
1018 if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS) 1248 blk_queue_rq_timeout(sdev->request_queue,
1019 blk_queue_rq_timeout(sdev->request_queue, 1249 MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
1020 MEGASAS_DEFAULT_CMD_TIMEOUT * HZ); 1250 return 0;
1251}
1252
1253static int megasas_slave_alloc(struct scsi_device *sdev)
1254{
1255 u16 pd_index = 0;
1256 struct megasas_instance *instance ;
1257 instance = megasas_lookup_instance(sdev->host->host_no);
1258 if ((sdev->channel < MEGASAS_MAX_PD_CHANNELS) &&
1259 (sdev->type == TYPE_DISK)) {
1260 /*
1261 * Open the OS scan to the SYSTEM PD
1262 */
1263 pd_index =
1264 (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
1265 sdev->id;
1266 if ((instance->pd_list[pd_index].driveState ==
1267 MR_PD_STATE_SYSTEM) &&
1268 (instance->pd_list[pd_index].driveType ==
1269 TYPE_DISK)) {
1270 return 0;
1271 }
1272 return -ENXIO;
1273 }
1021 return 0; 1274 return 0;
1022} 1275}
1023 1276
@@ -1072,7 +1325,14 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr)
1072 1325
1073 spin_lock_irqsave(instance->host->host_lock, flags); 1326 spin_lock_irqsave(instance->host->host_lock, flags);
1074 instance->flag &= ~MEGASAS_FW_BUSY; 1327 instance->flag &= ~MEGASAS_FW_BUSY;
1075 instance->host->can_queue = 1328 if ((instance->pdev->device ==
1329 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
1330 (instance->pdev->device ==
1331 PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
1332 instance->host->can_queue =
1333 instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
1334 } else
1335 instance->host->can_queue =
1076 instance->max_fw_cmds - MEGASAS_INT_CMDS; 1336 instance->max_fw_cmds - MEGASAS_INT_CMDS;
1077 1337
1078 spin_unlock_irqrestore(instance->host->host_lock, flags); 1338 spin_unlock_irqrestore(instance->host->host_lock, flags);
@@ -1117,8 +1377,16 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
1117 * Send signal to FW to stop processing any pending cmds. 1377 * Send signal to FW to stop processing any pending cmds.
1118 * The controller will be taken offline by the OS now. 1378 * The controller will be taken offline by the OS now.
1119 */ 1379 */
1120 writel(MFI_STOP_ADP, 1380 if ((instance->pdev->device ==
1381 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
1382 (instance->pdev->device ==
1383 PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
1384 writel(MFI_STOP_ADP,
1385 &instance->reg_set->reserved_0[0]);
1386 } else {
1387 writel(MFI_STOP_ADP,
1121 &instance->reg_set->inbound_doorbell); 1388 &instance->reg_set->inbound_doorbell);
1389 }
1122 megasas_dump_pending_frames(instance); 1390 megasas_dump_pending_frames(instance);
1123 instance->hw_crit_error = 1; 1391 instance->hw_crit_error = 1;
1124 return FAILED; 1392 return FAILED;
@@ -1266,6 +1534,8 @@ megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev,
1266 return 0; 1534 return 0;
1267} 1535}
1268 1536
1537static void megasas_aen_polling(struct work_struct *work);
1538
1269/** 1539/**
1270 * megasas_service_aen - Processes an event notification 1540 * megasas_service_aen - Processes an event notification
1271 * @instance: Adapter soft state 1541 * @instance: Adapter soft state
@@ -1281,16 +1551,36 @@ megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev,
1281static void 1551static void
1282megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) 1552megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd)
1283{ 1553{
1554 unsigned long flags;
1284 /* 1555 /*
1285 * Don't signal app if it is just an aborted previously registered aen 1556 * Don't signal app if it is just an aborted previously registered aen
1286 */ 1557 */
1287 if (!cmd->abort_aen) 1558 if ((!cmd->abort_aen) && (instance->unload == 0)) {
1559 spin_lock_irqsave(&poll_aen_lock, flags);
1560 megasas_poll_wait_aen = 1;
1561 spin_unlock_irqrestore(&poll_aen_lock, flags);
1562 wake_up(&megasas_poll_wait);
1288 kill_fasync(&megasas_async_queue, SIGIO, POLL_IN); 1563 kill_fasync(&megasas_async_queue, SIGIO, POLL_IN);
1564 }
1289 else 1565 else
1290 cmd->abort_aen = 0; 1566 cmd->abort_aen = 0;
1291 1567
1292 instance->aen_cmd = NULL; 1568 instance->aen_cmd = NULL;
1293 megasas_return_cmd(instance, cmd); 1569 megasas_return_cmd(instance, cmd);
1570
1571 if (instance->unload == 0) {
1572 struct megasas_aen_event *ev;
1573 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
1574 if (!ev) {
1575 printk(KERN_ERR "megasas_service_aen: out of memory\n");
1576 } else {
1577 ev->instance = instance;
1578 instance->ev = ev;
1579 INIT_WORK(&ev->hotplug_work, megasas_aen_polling);
1580 schedule_delayed_work(
1581 (struct delayed_work *)&ev->hotplug_work, 0);
1582 }
1583 }
1294} 1584}
1295 1585
1296/* 1586/*
@@ -1302,6 +1592,7 @@ static struct scsi_host_template megasas_template = {
1302 .name = "LSI SAS based MegaRAID driver", 1592 .name = "LSI SAS based MegaRAID driver",
1303 .proc_name = "megaraid_sas", 1593 .proc_name = "megaraid_sas",
1304 .slave_configure = megasas_slave_configure, 1594 .slave_configure = megasas_slave_configure,
1595 .slave_alloc = megasas_slave_alloc,
1305 .queuecommand = megasas_queue_command, 1596 .queuecommand = megasas_queue_command,
1306 .eh_device_reset_handler = megasas_reset_device, 1597 .eh_device_reset_handler = megasas_reset_device,
1307 .eh_bus_reset_handler = megasas_reset_bus_host, 1598 .eh_bus_reset_handler = megasas_reset_bus_host,
@@ -1370,6 +1661,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
1370{ 1661{
1371 int exception = 0; 1662 int exception = 0;
1372 struct megasas_header *hdr = &cmd->frame->hdr; 1663 struct megasas_header *hdr = &cmd->frame->hdr;
1664 unsigned long flags;
1373 1665
1374 if (cmd->scmd) 1666 if (cmd->scmd)
1375 cmd->scmd->SCp.ptr = NULL; 1667 cmd->scmd->SCp.ptr = NULL;
@@ -1459,6 +1751,12 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
1459 case MFI_CMD_SMP: 1751 case MFI_CMD_SMP:
1460 case MFI_CMD_STP: 1752 case MFI_CMD_STP:
1461 case MFI_CMD_DCMD: 1753 case MFI_CMD_DCMD:
1754 if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
1755 cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET) {
1756 spin_lock_irqsave(&poll_aen_lock, flags);
1757 megasas_poll_wait_aen = 0;
1758 spin_unlock_irqrestore(&poll_aen_lock, flags);
1759 }
1462 1760
1463 /* 1761 /*
1464 * See if got an event notification 1762 * See if got an event notification
@@ -1536,6 +1834,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1536 u8 max_wait; 1834 u8 max_wait;
1537 u32 fw_state; 1835 u32 fw_state;
1538 u32 cur_state; 1836 u32 cur_state;
1837 u32 abs_state, curr_abs_state;
1539 1838
1540 fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; 1839 fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK;
1541 1840
@@ -1545,6 +1844,9 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1545 1844
1546 while (fw_state != MFI_STATE_READY) { 1845 while (fw_state != MFI_STATE_READY) {
1547 1846
1847 abs_state =
1848 instance->instancet->read_fw_status_reg(instance->reg_set);
1849
1548 switch (fw_state) { 1850 switch (fw_state) {
1549 1851
1550 case MFI_STATE_FAULT: 1852 case MFI_STATE_FAULT:
@@ -1556,18 +1858,36 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1556 /* 1858 /*
1557 * Set the CLR bit in inbound doorbell 1859 * Set the CLR bit in inbound doorbell
1558 */ 1860 */
1559 writel(MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, 1861 if ((instance->pdev->device ==
1560 &instance->reg_set->inbound_doorbell); 1862 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
1863 (instance->pdev->device ==
1864 PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
1865
1866 writel(
1867 MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
1868 &instance->reg_set->reserved_0[0]);
1869 } else {
1870 writel(
1871 MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
1872 &instance->reg_set->inbound_doorbell);
1873 }
1561 1874
1562 max_wait = 2; 1875 max_wait = MEGASAS_RESET_WAIT_TIME;
1563 cur_state = MFI_STATE_WAIT_HANDSHAKE; 1876 cur_state = MFI_STATE_WAIT_HANDSHAKE;
1564 break; 1877 break;
1565 1878
1566 case MFI_STATE_BOOT_MESSAGE_PENDING: 1879 case MFI_STATE_BOOT_MESSAGE_PENDING:
1567 writel(MFI_INIT_HOTPLUG, 1880 if ((instance->pdev->device ==
1568 &instance->reg_set->inbound_doorbell); 1881 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
1882 (instance->pdev->device ==
1883 PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
1884 writel(MFI_INIT_HOTPLUG,
1885 &instance->reg_set->reserved_0[0]);
1886 } else
1887 writel(MFI_INIT_HOTPLUG,
1888 &instance->reg_set->inbound_doorbell);
1569 1889
1570 max_wait = 10; 1890 max_wait = MEGASAS_RESET_WAIT_TIME;
1571 cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; 1891 cur_state = MFI_STATE_BOOT_MESSAGE_PENDING;
1572 break; 1892 break;
1573 1893
@@ -1576,9 +1896,17 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1576 * Bring it to READY state; assuming max wait 10 secs 1896 * Bring it to READY state; assuming max wait 10 secs
1577 */ 1897 */
1578 instance->instancet->disable_intr(instance->reg_set); 1898 instance->instancet->disable_intr(instance->reg_set);
1579 writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell); 1899 if ((instance->pdev->device ==
1900 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
1901 (instance->pdev->device ==
1902 PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
1903 writel(MFI_RESET_FLAGS,
1904 &instance->reg_set->reserved_0[0]);
1905 } else
1906 writel(MFI_RESET_FLAGS,
1907 &instance->reg_set->inbound_doorbell);
1580 1908
1581 max_wait = 60; 1909 max_wait = MEGASAS_RESET_WAIT_TIME;
1582 cur_state = MFI_STATE_OPERATIONAL; 1910 cur_state = MFI_STATE_OPERATIONAL;
1583 break; 1911 break;
1584 1912
@@ -1586,32 +1914,32 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1586 /* 1914 /*
1587 * This state should not last for more than 2 seconds 1915 * This state should not last for more than 2 seconds
1588 */ 1916 */
1589 max_wait = 2; 1917 max_wait = MEGASAS_RESET_WAIT_TIME;
1590 cur_state = MFI_STATE_UNDEFINED; 1918 cur_state = MFI_STATE_UNDEFINED;
1591 break; 1919 break;
1592 1920
1593 case MFI_STATE_BB_INIT: 1921 case MFI_STATE_BB_INIT:
1594 max_wait = 2; 1922 max_wait = MEGASAS_RESET_WAIT_TIME;
1595 cur_state = MFI_STATE_BB_INIT; 1923 cur_state = MFI_STATE_BB_INIT;
1596 break; 1924 break;
1597 1925
1598 case MFI_STATE_FW_INIT: 1926 case MFI_STATE_FW_INIT:
1599 max_wait = 20; 1927 max_wait = MEGASAS_RESET_WAIT_TIME;
1600 cur_state = MFI_STATE_FW_INIT; 1928 cur_state = MFI_STATE_FW_INIT;
1601 break; 1929 break;
1602 1930
1603 case MFI_STATE_FW_INIT_2: 1931 case MFI_STATE_FW_INIT_2:
1604 max_wait = 20; 1932 max_wait = MEGASAS_RESET_WAIT_TIME;
1605 cur_state = MFI_STATE_FW_INIT_2; 1933 cur_state = MFI_STATE_FW_INIT_2;
1606 break; 1934 break;
1607 1935
1608 case MFI_STATE_DEVICE_SCAN: 1936 case MFI_STATE_DEVICE_SCAN:
1609 max_wait = 20; 1937 max_wait = MEGASAS_RESET_WAIT_TIME;
1610 cur_state = MFI_STATE_DEVICE_SCAN; 1938 cur_state = MFI_STATE_DEVICE_SCAN;
1611 break; 1939 break;
1612 1940
1613 case MFI_STATE_FLUSH_CACHE: 1941 case MFI_STATE_FLUSH_CACHE:
1614 max_wait = 20; 1942 max_wait = MEGASAS_RESET_WAIT_TIME;
1615 cur_state = MFI_STATE_FLUSH_CACHE; 1943 cur_state = MFI_STATE_FLUSH_CACHE;
1616 break; 1944 break;
1617 1945
@@ -1627,8 +1955,10 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1627 for (i = 0; i < (max_wait * 1000); i++) { 1955 for (i = 0; i < (max_wait * 1000); i++) {
1628 fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & 1956 fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) &
1629 MFI_STATE_MASK ; 1957 MFI_STATE_MASK ;
1958 curr_abs_state =
1959 instance->instancet->read_fw_status_reg(instance->reg_set);
1630 1960
1631 if (fw_state == cur_state) { 1961 if (abs_state == curr_abs_state) {
1632 msleep(1); 1962 msleep(1);
1633 } else 1963 } else
1634 break; 1964 break;
@@ -1637,7 +1967,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1637 /* 1967 /*
1638 * Return error if fw_state hasn't changed after max_wait 1968 * Return error if fw_state hasn't changed after max_wait
1639 */ 1969 */
1640 if (fw_state == cur_state) { 1970 if (curr_abs_state == abs_state) {
1641 printk(KERN_DEBUG "FW state [%d] hasn't changed " 1971 printk(KERN_DEBUG "FW state [%d] hasn't changed "
1642 "in %d secs\n", fw_state, max_wait); 1972 "in %d secs\n", fw_state, max_wait);
1643 return -ENODEV; 1973 return -ENODEV;
@@ -1715,6 +2045,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
1715 sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : 2045 sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
1716 sizeof(struct megasas_sge32); 2046 sizeof(struct megasas_sge32);
1717 2047
2048 if (instance->flag_ieee) {
2049 sge_sz = sizeof(struct megasas_sge_skinny);
2050 }
2051
1718 /* 2052 /*
1719 * Calculated the number of 64byte frames required for SGL 2053 * Calculated the number of 64byte frames required for SGL
1720 */ 2054 */
@@ -1777,6 +2111,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
1777 } 2111 }
1778 2112
1779 cmd->frame->io.context = cmd->index; 2113 cmd->frame->io.context = cmd->index;
2114 cmd->frame->io.pad_0 = 0;
1780 } 2115 }
1781 2116
1782 return 0; 2117 return 0;
@@ -1882,6 +2217,178 @@ static int megasas_alloc_cmds(struct megasas_instance *instance)
1882 return 0; 2217 return 0;
1883} 2218}
1884 2219
2220/*
2221 * megasas_get_pd_list_info - Returns FW's pd_list structure
2222 * @instance: Adapter soft state
2223 * @pd_list: pd_list structure
2224 *
2225 * Issues an internal command (DCMD) to get the FW's controller PD
2226 * list structure. This information is mainly used to find out SYSTEM
2227 * supported by the FW.
2228 */
2229static int
2230megasas_get_pd_list(struct megasas_instance *instance)
2231{
2232 int ret = 0, pd_index = 0;
2233 struct megasas_cmd *cmd;
2234 struct megasas_dcmd_frame *dcmd;
2235 struct MR_PD_LIST *ci;
2236 struct MR_PD_ADDRESS *pd_addr;
2237 dma_addr_t ci_h = 0;
2238
2239 cmd = megasas_get_cmd(instance);
2240
2241 if (!cmd) {
2242 printk(KERN_DEBUG "megasas (get_pd_list): Failed to get cmd\n");
2243 return -ENOMEM;
2244 }
2245
2246 dcmd = &cmd->frame->dcmd;
2247
2248 ci = pci_alloc_consistent(instance->pdev,
2249 MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), &ci_h);
2250
2251 if (!ci) {
2252 printk(KERN_DEBUG "Failed to alloc mem for pd_list\n");
2253 megasas_return_cmd(instance, cmd);
2254 return -ENOMEM;
2255 }
2256
2257 memset(ci, 0, sizeof(*ci));
2258 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
2259
2260 dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST;
2261 dcmd->mbox.b[1] = 0;
2262 dcmd->cmd = MFI_CMD_DCMD;
2263 dcmd->cmd_status = 0xFF;
2264 dcmd->sge_count = 1;
2265 dcmd->flags = MFI_FRAME_DIR_READ;
2266 dcmd->timeout = 0;
2267 dcmd->pad_0 = 0;
2268 dcmd->data_xfer_len = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);
2269 dcmd->opcode = MR_DCMD_PD_LIST_QUERY;
2270 dcmd->sgl.sge32[0].phys_addr = ci_h;
2271 dcmd->sgl.sge32[0].length = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);
2272
2273 if (!megasas_issue_polled(instance, cmd)) {
2274 ret = 0;
2275 } else {
2276 ret = -1;
2277 }
2278
2279 /*
2280 * the following function will get the instance PD LIST.
2281 */
2282
2283 pd_addr = ci->addr;
2284
2285 if ( ret == 0 &&
2286 (ci->count <
2287 (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) {
2288
2289 memset(instance->pd_list, 0,
2290 MEGASAS_MAX_PD * sizeof(struct megasas_pd_list));
2291
2292 for (pd_index = 0; pd_index < ci->count; pd_index++) {
2293
2294 instance->pd_list[pd_addr->deviceId].tid =
2295 pd_addr->deviceId;
2296 instance->pd_list[pd_addr->deviceId].driveType =
2297 pd_addr->scsiDevType;
2298 instance->pd_list[pd_addr->deviceId].driveState =
2299 MR_PD_STATE_SYSTEM;
2300 pd_addr++;
2301 }
2302 }
2303
2304 pci_free_consistent(instance->pdev,
2305 MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST),
2306 ci, ci_h);
2307 megasas_return_cmd(instance, cmd);
2308
2309 return ret;
2310}
2311
2312/*
2313 * megasas_get_ld_list_info - Returns FW's ld_list structure
2314 * @instance: Adapter soft state
2315 * @ld_list: ld_list structure
2316 *
2317 * Issues an internal command (DCMD) to get the FW's controller PD
2318 * list structure. This information is mainly used to find out SYSTEM
2319 * supported by the FW.
2320 */
2321static int
2322megasas_get_ld_list(struct megasas_instance *instance)
2323{
2324 int ret = 0, ld_index = 0, ids = 0;
2325 struct megasas_cmd *cmd;
2326 struct megasas_dcmd_frame *dcmd;
2327 struct MR_LD_LIST *ci;
2328 dma_addr_t ci_h = 0;
2329
2330 cmd = megasas_get_cmd(instance);
2331
2332 if (!cmd) {
2333 printk(KERN_DEBUG "megasas_get_ld_list: Failed to get cmd\n");
2334 return -ENOMEM;
2335 }
2336
2337 dcmd = &cmd->frame->dcmd;
2338
2339 ci = pci_alloc_consistent(instance->pdev,
2340 sizeof(struct MR_LD_LIST),
2341 &ci_h);
2342
2343 if (!ci) {
2344 printk(KERN_DEBUG "Failed to alloc mem in get_ld_list\n");
2345 megasas_return_cmd(instance, cmd);
2346 return -ENOMEM;
2347 }
2348
2349 memset(ci, 0, sizeof(*ci));
2350 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
2351
2352 dcmd->cmd = MFI_CMD_DCMD;
2353 dcmd->cmd_status = 0xFF;
2354 dcmd->sge_count = 1;
2355 dcmd->flags = MFI_FRAME_DIR_READ;
2356 dcmd->timeout = 0;
2357 dcmd->data_xfer_len = sizeof(struct MR_LD_LIST);
2358 dcmd->opcode = MR_DCMD_LD_GET_LIST;
2359 dcmd->sgl.sge32[0].phys_addr = ci_h;
2360 dcmd->sgl.sge32[0].length = sizeof(struct MR_LD_LIST);
2361 dcmd->pad_0 = 0;
2362
2363 if (!megasas_issue_polled(instance, cmd)) {
2364 ret = 0;
2365 } else {
2366 ret = -1;
2367 }
2368
2369 /* the following function will get the instance PD LIST */
2370
2371 if ((ret == 0) && (ci->ldCount < MAX_LOGICAL_DRIVES)) {
2372 memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
2373
2374 for (ld_index = 0; ld_index < ci->ldCount; ld_index++) {
2375 if (ci->ldList[ld_index].state != 0) {
2376 ids = ci->ldList[ld_index].ref.targetId;
2377 instance->ld_ids[ids] =
2378 ci->ldList[ld_index].ref.targetId;
2379 }
2380 }
2381 }
2382
2383 pci_free_consistent(instance->pdev,
2384 sizeof(struct MR_LD_LIST),
2385 ci,
2386 ci_h);
2387
2388 megasas_return_cmd(instance, cmd);
2389 return ret;
2390}
2391
1885/** 2392/**
1886 * megasas_get_controller_info - Returns FW's controller structure 2393 * megasas_get_controller_info - Returns FW's controller structure
1887 * @instance: Adapter soft state 2394 * @instance: Adapter soft state
@@ -1927,6 +2434,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance,
1927 dcmd->sge_count = 1; 2434 dcmd->sge_count = 1;
1928 dcmd->flags = MFI_FRAME_DIR_READ; 2435 dcmd->flags = MFI_FRAME_DIR_READ;
1929 dcmd->timeout = 0; 2436 dcmd->timeout = 0;
2437 dcmd->pad_0 = 0;
1930 dcmd->data_xfer_len = sizeof(struct megasas_ctrl_info); 2438 dcmd->data_xfer_len = sizeof(struct megasas_ctrl_info);
1931 dcmd->opcode = MR_DCMD_CTRL_GET_INFO; 2439 dcmd->opcode = MR_DCMD_CTRL_GET_INFO;
1932 dcmd->sgl.sge32[0].phys_addr = ci_h; 2440 dcmd->sgl.sge32[0].phys_addr = ci_h;
@@ -2081,13 +2589,17 @@ static int megasas_init_mfi(struct megasas_instance *instance)
2081 * Map the message registers 2589 * Map the message registers
2082 */ 2590 */
2083 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078GEN2) || 2591 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078GEN2) ||
2592 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
2593 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
2084 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0079GEN2)) { 2594 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0079GEN2)) {
2085 instance->base_addr = pci_resource_start(instance->pdev, 1); 2595 instance->base_addr = pci_resource_start(instance->pdev, 1);
2086 } else { 2596 } else {
2087 instance->base_addr = pci_resource_start(instance->pdev, 0); 2597 instance->base_addr = pci_resource_start(instance->pdev, 0);
2088 } 2598 }
2089 2599
2090 if (pci_request_regions(instance->pdev, "megasas: LSI")) { 2600 if (pci_request_selected_regions(instance->pdev,
2601 pci_select_bars(instance->pdev, IORESOURCE_MEM),
2602 "megasas: LSI")) {
2091 printk(KERN_DEBUG "megasas: IO memory region busy!\n"); 2603 printk(KERN_DEBUG "megasas: IO memory region busy!\n");
2092 return -EBUSY; 2604 return -EBUSY;
2093 } 2605 }
@@ -2111,6 +2623,10 @@ static int megasas_init_mfi(struct megasas_instance *instance)
2111 case PCI_DEVICE_ID_LSI_SAS0079GEN2: 2623 case PCI_DEVICE_ID_LSI_SAS0079GEN2:
2112 instance->instancet = &megasas_instance_template_gen2; 2624 instance->instancet = &megasas_instance_template_gen2;
2113 break; 2625 break;
2626 case PCI_DEVICE_ID_LSI_SAS0073SKINNY:
2627 case PCI_DEVICE_ID_LSI_SAS0071SKINNY:
2628 instance->instancet = &megasas_instance_template_skinny;
2629 break;
2114 case PCI_DEVICE_ID_LSI_SAS1064R: 2630 case PCI_DEVICE_ID_LSI_SAS1064R:
2115 case PCI_DEVICE_ID_DELL_PERC5: 2631 case PCI_DEVICE_ID_DELL_PERC5:
2116 default: 2632 default:
@@ -2166,6 +2682,13 @@ static int megasas_init_mfi(struct megasas_instance *instance)
2166 if (megasas_issue_init_mfi(instance)) 2682 if (megasas_issue_init_mfi(instance))
2167 goto fail_fw_init; 2683 goto fail_fw_init;
2168 2684
2685 memset(instance->pd_list, 0 ,
2686 (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
2687 megasas_get_pd_list(instance);
2688
2689 memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
2690 megasas_get_ld_list(instance);
2691
2169 ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL); 2692 ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL);
2170 2693
2171 /* 2694 /*
@@ -2220,7 +2743,8 @@ static int megasas_init_mfi(struct megasas_instance *instance)
2220 iounmap(instance->reg_set); 2743 iounmap(instance->reg_set);
2221 2744
2222 fail_ioremap: 2745 fail_ioremap:
2223 pci_release_regions(instance->pdev); 2746 pci_release_selected_regions(instance->pdev,
2747 pci_select_bars(instance->pdev, IORESOURCE_MEM));
2224 2748
2225 return -EINVAL; 2749 return -EINVAL;
2226} 2750}
@@ -2240,7 +2764,8 @@ static void megasas_release_mfi(struct megasas_instance *instance)
2240 2764
2241 iounmap(instance->reg_set); 2765 iounmap(instance->reg_set);
2242 2766
2243 pci_release_regions(instance->pdev); 2767 pci_release_selected_regions(instance->pdev,
2768 pci_select_bars(instance->pdev, IORESOURCE_MEM));
2244} 2769}
2245 2770
2246/** 2771/**
@@ -2288,6 +2813,7 @@ megasas_get_seq_num(struct megasas_instance *instance,
2288 dcmd->sge_count = 1; 2813 dcmd->sge_count = 1;
2289 dcmd->flags = MFI_FRAME_DIR_READ; 2814 dcmd->flags = MFI_FRAME_DIR_READ;
2290 dcmd->timeout = 0; 2815 dcmd->timeout = 0;
2816 dcmd->pad_0 = 0;
2291 dcmd->data_xfer_len = sizeof(struct megasas_evt_log_info); 2817 dcmd->data_xfer_len = sizeof(struct megasas_evt_log_info);
2292 dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO; 2818 dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO;
2293 dcmd->sgl.sge32[0].phys_addr = el_info_h; 2819 dcmd->sgl.sge32[0].phys_addr = el_info_h;
@@ -2402,6 +2928,7 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
2402 dcmd->sge_count = 1; 2928 dcmd->sge_count = 1;
2403 dcmd->flags = MFI_FRAME_DIR_READ; 2929 dcmd->flags = MFI_FRAME_DIR_READ;
2404 dcmd->timeout = 0; 2930 dcmd->timeout = 0;
2931 dcmd->pad_0 = 0;
2405 dcmd->data_xfer_len = sizeof(struct megasas_evt_detail); 2932 dcmd->data_xfer_len = sizeof(struct megasas_evt_detail);
2406 dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT; 2933 dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT;
2407 dcmd->mbox.w[0] = seq_num; 2934 dcmd->mbox.w[0] = seq_num;
@@ -2409,6 +2936,11 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
2409 dcmd->sgl.sge32[0].phys_addr = (u32) instance->evt_detail_h; 2936 dcmd->sgl.sge32[0].phys_addr = (u32) instance->evt_detail_h;
2410 dcmd->sgl.sge32[0].length = sizeof(struct megasas_evt_detail); 2937 dcmd->sgl.sge32[0].length = sizeof(struct megasas_evt_detail);
2411 2938
2939 if (instance->aen_cmd != NULL) {
2940 megasas_return_cmd(instance, cmd);
2941 return 0;
2942 }
2943
2412 /* 2944 /*
2413 * Store reference to the cmd used to register for AEN. When an 2945 * Store reference to the cmd used to register for AEN. When an
2414 * application wants us to register for AEN, we have to abort this 2946 * application wants us to register for AEN, we have to abort this
@@ -2419,7 +2951,8 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
2419 /* 2951 /*
2420 * Issue the aen registration frame 2952 * Issue the aen registration frame
2421 */ 2953 */
2422 instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set); 2954 instance->instancet->fire_cmd(instance,
2955 cmd->frame_phys_addr, 0, instance->reg_set);
2423 2956
2424 return 0; 2957 return 0;
2425} 2958}
@@ -2465,7 +2998,13 @@ static int megasas_io_attach(struct megasas_instance *instance)
2465 */ 2998 */
2466 host->irq = instance->pdev->irq; 2999 host->irq = instance->pdev->irq;
2467 host->unique_id = instance->unique_id; 3000 host->unique_id = instance->unique_id;
2468 host->can_queue = instance->max_fw_cmds - MEGASAS_INT_CMDS; 3001 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
3002 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
3003 host->can_queue =
3004 instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
3005 } else
3006 host->can_queue =
3007 instance->max_fw_cmds - MEGASAS_INT_CMDS;
2469 host->this_id = instance->init_id; 3008 host->this_id = instance->init_id;
2470 host->sg_tablesize = instance->max_num_sge; 3009 host->sg_tablesize = instance->max_num_sge;
2471 host->max_sectors = instance->max_sectors_per_req; 3010 host->max_sectors = instance->max_sectors_per_req;
@@ -2537,7 +3076,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2537 /* 3076 /*
2538 * PCI prepping: enable device set bus mastering and dma mask 3077 * PCI prepping: enable device set bus mastering and dma mask
2539 */ 3078 */
2540 rval = pci_enable_device(pdev); 3079 rval = pci_enable_device_mem(pdev);
2541 3080
2542 if (rval) { 3081 if (rval) {
2543 return rval; 3082 return rval;
@@ -2572,6 +3111,9 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2572 3111
2573 *instance->producer = 0; 3112 *instance->producer = 0;
2574 *instance->consumer = 0; 3113 *instance->consumer = 0;
3114 megasas_poll_wait_aen = 0;
3115 instance->flag_ieee = 0;
3116 instance->ev = NULL;
2575 3117
2576 instance->evt_detail = pci_alloc_consistent(pdev, 3118 instance->evt_detail = pci_alloc_consistent(pdev,
2577 sizeof(struct 3119 sizeof(struct
@@ -2595,10 +3137,11 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2595 init_waitqueue_head(&instance->abort_cmd_wait_q); 3137 init_waitqueue_head(&instance->abort_cmd_wait_q);
2596 3138
2597 spin_lock_init(&instance->cmd_pool_lock); 3139 spin_lock_init(&instance->cmd_pool_lock);
3140 spin_lock_init(&instance->fire_lock);
2598 spin_lock_init(&instance->completion_lock); 3141 spin_lock_init(&instance->completion_lock);
3142 spin_lock_init(&poll_aen_lock);
2599 3143
2600 mutex_init(&instance->aen_mutex); 3144 mutex_init(&instance->aen_mutex);
2601 sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
2602 3145
2603 /* 3146 /*
2604 * Initialize PCI related and misc parameters 3147 * Initialize PCI related and misc parameters
@@ -2608,8 +3151,16 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2608 instance->unique_id = pdev->bus->number << 8 | pdev->devfn; 3151 instance->unique_id = pdev->bus->number << 8 | pdev->devfn;
2609 instance->init_id = MEGASAS_DEFAULT_INIT_ID; 3152 instance->init_id = MEGASAS_DEFAULT_INIT_ID;
2610 3153
3154 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
3155 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
3156 instance->flag_ieee = 1;
3157 sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
3158 } else
3159 sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
3160
2611 megasas_dbg_lvl = 0; 3161 megasas_dbg_lvl = 0;
2612 instance->flag = 0; 3162 instance->flag = 0;
3163 instance->unload = 1;
2613 instance->last_time = 0; 3164 instance->last_time = 0;
2614 3165
2615 /* 3166 /*
@@ -2655,6 +3206,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2655 if (megasas_io_attach(instance)) 3206 if (megasas_io_attach(instance))
2656 goto fail_io_attach; 3207 goto fail_io_attach;
2657 3208
3209 instance->unload = 0;
2658 return 0; 3210 return 0;
2659 3211
2660 fail_start_aen: 3212 fail_start_aen:
@@ -2715,6 +3267,7 @@ static void megasas_flush_cache(struct megasas_instance *instance)
2715 dcmd->sge_count = 0; 3267 dcmd->sge_count = 0;
2716 dcmd->flags = MFI_FRAME_DIR_NONE; 3268 dcmd->flags = MFI_FRAME_DIR_NONE;
2717 dcmd->timeout = 0; 3269 dcmd->timeout = 0;
3270 dcmd->pad_0 = 0;
2718 dcmd->data_xfer_len = 0; 3271 dcmd->data_xfer_len = 0;
2719 dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH; 3272 dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH;
2720 dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; 3273 dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
@@ -2754,6 +3307,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance,
2754 dcmd->sge_count = 0; 3307 dcmd->sge_count = 0;
2755 dcmd->flags = MFI_FRAME_DIR_NONE; 3308 dcmd->flags = MFI_FRAME_DIR_NONE;
2756 dcmd->timeout = 0; 3309 dcmd->timeout = 0;
3310 dcmd->pad_0 = 0;
2757 dcmd->data_xfer_len = 0; 3311 dcmd->data_xfer_len = 0;
2758 dcmd->opcode = opcode; 3312 dcmd->opcode = opcode;
2759 3313
@@ -2778,12 +3332,23 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
2778 3332
2779 instance = pci_get_drvdata(pdev); 3333 instance = pci_get_drvdata(pdev);
2780 host = instance->host; 3334 host = instance->host;
3335 instance->unload = 1;
2781 3336
2782 if (poll_mode_io) 3337 if (poll_mode_io)
2783 del_timer_sync(&instance->io_completion_timer); 3338 del_timer_sync(&instance->io_completion_timer);
2784 3339
2785 megasas_flush_cache(instance); 3340 megasas_flush_cache(instance);
2786 megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); 3341 megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN);
3342
3343 /* cancel the delayed work if this work still in queue */
3344 if (instance->ev != NULL) {
3345 struct megasas_aen_event *ev = instance->ev;
3346 cancel_delayed_work(
3347 (struct delayed_work *)&ev->hotplug_work);
3348 flush_scheduled_work();
3349 instance->ev = NULL;
3350 }
3351
2787 tasklet_kill(&instance->isr_tasklet); 3352 tasklet_kill(&instance->isr_tasklet);
2788 3353
2789 pci_set_drvdata(instance->pdev, instance); 3354 pci_set_drvdata(instance->pdev, instance);
@@ -2818,7 +3383,7 @@ megasas_resume(struct pci_dev *pdev)
2818 /* 3383 /*
2819 * PCI prepping: enable device set bus mastering and dma mask 3384 * PCI prepping: enable device set bus mastering and dma mask
2820 */ 3385 */
2821 rval = pci_enable_device(pdev); 3386 rval = pci_enable_device_mem(pdev);
2822 3387
2823 if (rval) { 3388 if (rval) {
2824 printk(KERN_ERR "megasas: Enable device failed\n"); 3389 printk(KERN_ERR "megasas: Enable device failed\n");
@@ -2873,6 +3438,8 @@ megasas_resume(struct pci_dev *pdev)
2873 megasas_start_timer(instance, &instance->io_completion_timer, 3438 megasas_start_timer(instance, &instance->io_completion_timer,
2874 megasas_io_completion_timer, 3439 megasas_io_completion_timer,
2875 MEGASAS_COMPLETION_TIMER_INTERVAL); 3440 MEGASAS_COMPLETION_TIMER_INTERVAL);
3441 instance->unload = 0;
3442
2876 return 0; 3443 return 0;
2877 3444
2878fail_irq: 3445fail_irq:
@@ -2913,6 +3480,7 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
2913 struct megasas_instance *instance; 3480 struct megasas_instance *instance;
2914 3481
2915 instance = pci_get_drvdata(pdev); 3482 instance = pci_get_drvdata(pdev);
3483 instance->unload = 1;
2916 host = instance->host; 3484 host = instance->host;
2917 3485
2918 if (poll_mode_io) 3486 if (poll_mode_io)
@@ -2921,6 +3489,16 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
2921 scsi_remove_host(instance->host); 3489 scsi_remove_host(instance->host);
2922 megasas_flush_cache(instance); 3490 megasas_flush_cache(instance);
2923 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); 3491 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
3492
3493 /* cancel the delayed work if this work still in queue*/
3494 if (instance->ev != NULL) {
3495 struct megasas_aen_event *ev = instance->ev;
3496 cancel_delayed_work(
3497 (struct delayed_work *)&ev->hotplug_work);
3498 flush_scheduled_work();
3499 instance->ev = NULL;
3500 }
3501
2924 tasklet_kill(&instance->isr_tasklet); 3502 tasklet_kill(&instance->isr_tasklet);
2925 3503
2926 /* 3504 /*
@@ -2969,6 +3547,7 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
2969static void megasas_shutdown(struct pci_dev *pdev) 3547static void megasas_shutdown(struct pci_dev *pdev)
2970{ 3548{
2971 struct megasas_instance *instance = pci_get_drvdata(pdev); 3549 struct megasas_instance *instance = pci_get_drvdata(pdev);
3550 instance->unload = 1;
2972 megasas_flush_cache(instance); 3551 megasas_flush_cache(instance);
2973 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); 3552 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
2974} 3553}
@@ -3016,6 +3595,23 @@ static int megasas_mgmt_fasync(int fd, struct file *filep, int mode)
3016} 3595}
3017 3596
3018/** 3597/**
3598 * megasas_mgmt_poll - char node "poll" entry point
3599 * */
3600static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait)
3601{
3602 unsigned int mask;
3603 unsigned long flags;
3604 poll_wait(file, &megasas_poll_wait, wait);
3605 spin_lock_irqsave(&poll_aen_lock, flags);
3606 if (megasas_poll_wait_aen)
3607 mask = (POLLIN | POLLRDNORM);
3608 else
3609 mask = 0;
3610 spin_unlock_irqrestore(&poll_aen_lock, flags);
3611 return mask;
3612}
3613
3614/**
3019 * megasas_mgmt_fw_ioctl - Issues management ioctls to FW 3615 * megasas_mgmt_fw_ioctl - Issues management ioctls to FW
3020 * @instance: Adapter soft state 3616 * @instance: Adapter soft state
3021 * @argp: User's ioctl packet 3617 * @argp: User's ioctl packet
@@ -3032,7 +3628,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
3032 int error = 0, i; 3628 int error = 0, i;
3033 void *sense = NULL; 3629 void *sense = NULL;
3034 dma_addr_t sense_handle; 3630 dma_addr_t sense_handle;
3035 u32 *sense_ptr; 3631 unsigned long *sense_ptr;
3036 3632
3037 memset(kbuff_arr, 0, sizeof(kbuff_arr)); 3633 memset(kbuff_arr, 0, sizeof(kbuff_arr));
3038 3634
@@ -3056,6 +3652,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
3056 */ 3652 */
3057 memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE); 3653 memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
3058 cmd->frame->hdr.context = cmd->index; 3654 cmd->frame->hdr.context = cmd->index;
3655 cmd->frame->hdr.pad_0 = 0;
3059 3656
3060 /* 3657 /*
3061 * The management interface between applications and the fw uses 3658 * The management interface between applications and the fw uses
@@ -3109,7 +3706,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
3109 } 3706 }
3110 3707
3111 sense_ptr = 3708 sense_ptr =
3112 (u32 *) ((unsigned long)cmd->frame + ioc->sense_off); 3709 (unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off);
3113 *sense_ptr = sense_handle; 3710 *sense_ptr = sense_handle;
3114 } 3711 }
3115 3712
@@ -3140,8 +3737,8 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
3140 * sense_ptr points to the location that has the user 3737 * sense_ptr points to the location that has the user
3141 * sense buffer address 3738 * sense buffer address
3142 */ 3739 */
3143 sense_ptr = (u32 *) ((unsigned long)ioc->frame.raw + 3740 sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw +
3144 ioc->sense_off); 3741 ioc->sense_off);
3145 3742
3146 if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)), 3743 if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)),
3147 sense, ioc->sense_len)) { 3744 sense, ioc->sense_len)) {
@@ -3177,20 +3774,6 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
3177 return error; 3774 return error;
3178} 3775}
3179 3776
3180static struct megasas_instance *megasas_lookup_instance(u16 host_no)
3181{
3182 int i;
3183
3184 for (i = 0; i < megasas_mgmt_info.max_index; i++) {
3185
3186 if ((megasas_mgmt_info.instance[i]) &&
3187 (megasas_mgmt_info.instance[i]->host->host_no == host_no))
3188 return megasas_mgmt_info.instance[i];
3189 }
3190
3191 return NULL;
3192}
3193
3194static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) 3777static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
3195{ 3778{
3196 struct megasas_iocpacket __user *user_ioc = 3779 struct megasas_iocpacket __user *user_ioc =
@@ -3214,6 +3797,17 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
3214 goto out_kfree_ioc; 3797 goto out_kfree_ioc;
3215 } 3798 }
3216 3799
3800 if (instance->hw_crit_error == 1) {
3801 printk(KERN_DEBUG "Controller in Crit ERROR\n");
3802 error = -ENODEV;
3803 goto out_kfree_ioc;
3804 }
3805
3806 if (instance->unload == 1) {
3807 error = -ENODEV;
3808 goto out_kfree_ioc;
3809 }
3810
3217 /* 3811 /*
3218 * We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds 3812 * We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds
3219 */ 3813 */
@@ -3249,6 +3843,14 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg)
3249 if (!instance) 3843 if (!instance)
3250 return -ENODEV; 3844 return -ENODEV;
3251 3845
3846 if (instance->hw_crit_error == 1) {
3847 error = -ENODEV;
3848 }
3849
3850 if (instance->unload == 1) {
3851 return -ENODEV;
3852 }
3853
3252 mutex_lock(&instance->aen_mutex); 3854 mutex_lock(&instance->aen_mutex);
3253 error = megasas_register_aen(instance, aen.seq_num, 3855 error = megasas_register_aen(instance, aen.seq_num,
3254 aen.class_locale_word); 3856 aen.class_locale_word);
@@ -3282,6 +3884,7 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg)
3282 compat_alloc_user_space(sizeof(struct megasas_iocpacket)); 3884 compat_alloc_user_space(sizeof(struct megasas_iocpacket));
3283 int i; 3885 int i;
3284 int error = 0; 3886 int error = 0;
3887 compat_uptr_t ptr;
3285 3888
3286 if (clear_user(ioc, sizeof(*ioc))) 3889 if (clear_user(ioc, sizeof(*ioc)))
3287 return -EFAULT; 3890 return -EFAULT;
@@ -3294,9 +3897,22 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg)
3294 copy_in_user(&ioc->sge_count, &cioc->sge_count, sizeof(u32))) 3897 copy_in_user(&ioc->sge_count, &cioc->sge_count, sizeof(u32)))
3295 return -EFAULT; 3898 return -EFAULT;
3296 3899
3297 for (i = 0; i < MAX_IOCTL_SGE; i++) { 3900 /*
3298 compat_uptr_t ptr; 3901 * The sense_ptr is used in megasas_mgmt_fw_ioctl only when
3902 * sense_len is not null, so prepare the 64bit value under
3903 * the same condition.
3904 */
3905 if (ioc->sense_len) {
3906 void __user **sense_ioc_ptr =
3907 (void __user **)(ioc->frame.raw + ioc->sense_off);
3908 compat_uptr_t *sense_cioc_ptr =
3909 (compat_uptr_t *)(cioc->frame.raw + cioc->sense_off);
3910 if (get_user(ptr, sense_cioc_ptr) ||
3911 put_user(compat_ptr(ptr), sense_ioc_ptr))
3912 return -EFAULT;
3913 }
3299 3914
3915 for (i = 0; i < MAX_IOCTL_SGE; i++) {
3300 if (get_user(ptr, &cioc->sgl[i].iov_base) || 3916 if (get_user(ptr, &cioc->sgl[i].iov_base) ||
3301 put_user(compat_ptr(ptr), &ioc->sgl[i].iov_base) || 3917 put_user(compat_ptr(ptr), &ioc->sgl[i].iov_base) ||
3302 copy_in_user(&ioc->sgl[i].iov_len, 3918 copy_in_user(&ioc->sgl[i].iov_len,
@@ -3337,6 +3953,7 @@ static const struct file_operations megasas_mgmt_fops = {
3337 .open = megasas_mgmt_open, 3953 .open = megasas_mgmt_open,
3338 .fasync = megasas_mgmt_fasync, 3954 .fasync = megasas_mgmt_fasync,
3339 .unlocked_ioctl = megasas_mgmt_ioctl, 3955 .unlocked_ioctl = megasas_mgmt_ioctl,
3956 .poll = megasas_mgmt_poll,
3340#ifdef CONFIG_COMPAT 3957#ifdef CONFIG_COMPAT
3341 .compat_ioctl = megasas_mgmt_compat_ioctl, 3958 .compat_ioctl = megasas_mgmt_compat_ioctl,
3342#endif 3959#endif
@@ -3378,6 +3995,15 @@ static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date,
3378 NULL); 3995 NULL);
3379 3996
3380static ssize_t 3997static ssize_t
3998megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)
3999{
4000 return sprintf(buf, "%u\n", support_poll_for_event);
4001}
4002
4003static DRIVER_ATTR(support_poll_for_event, S_IRUGO,
4004 megasas_sysfs_show_support_poll_for_event, NULL);
4005
4006static ssize_t
3381megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) 4007megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)
3382{ 4008{
3383 return sprintf(buf, "%u\n", megasas_dbg_lvl); 4009 return sprintf(buf, "%u\n", megasas_dbg_lvl);
@@ -3451,7 +4077,235 @@ out:
3451 return retval; 4077 return retval;
3452} 4078}
3453 4079
3454static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUGO, 4080static void
4081megasas_aen_polling(struct work_struct *work)
4082{
4083 struct megasas_aen_event *ev =
4084 container_of(work, struct megasas_aen_event, hotplug_work);
4085 struct megasas_instance *instance = ev->instance;
4086 union megasas_evt_class_locale class_locale;
4087 struct Scsi_Host *host;
4088 struct scsi_device *sdev1;
4089 u16 pd_index = 0;
4090 u16 ld_index = 0;
4091 int i, j, doscan = 0;
4092 u32 seq_num;
4093 int error;
4094
4095 if (!instance) {
4096 printk(KERN_ERR "invalid instance!\n");
4097 kfree(ev);
4098 return;
4099 }
4100 instance->ev = NULL;
4101 host = instance->host;
4102 if (instance->evt_detail) {
4103
4104 switch (instance->evt_detail->code) {
4105 case MR_EVT_PD_INSERTED:
4106 if (megasas_get_pd_list(instance) == 0) {
4107 for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
4108 for (j = 0;
4109 j < MEGASAS_MAX_DEV_PER_CHANNEL;
4110 j++) {
4111
4112 pd_index =
4113 (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
4114
4115 sdev1 =
4116 scsi_device_lookup(host, i, j, 0);
4117
4118 if (instance->pd_list[pd_index].driveState
4119 == MR_PD_STATE_SYSTEM) {
4120 if (!sdev1) {
4121 scsi_add_device(host, i, j, 0);
4122 }
4123
4124 if (sdev1)
4125 scsi_device_put(sdev1);
4126 }
4127 }
4128 }
4129 }
4130 doscan = 0;
4131 break;
4132
4133 case MR_EVT_PD_REMOVED:
4134 if (megasas_get_pd_list(instance) == 0) {
4135 megasas_get_pd_list(instance);
4136 for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
4137 for (j = 0;
4138 j < MEGASAS_MAX_DEV_PER_CHANNEL;
4139 j++) {
4140
4141 pd_index =
4142 (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
4143
4144 sdev1 =
4145 scsi_device_lookup(host, i, j, 0);
4146
4147 if (instance->pd_list[pd_index].driveState
4148 == MR_PD_STATE_SYSTEM) {
4149 if (sdev1) {
4150 scsi_device_put(sdev1);
4151 }
4152 } else {
4153 if (sdev1) {
4154 scsi_remove_device(sdev1);
4155 scsi_device_put(sdev1);
4156 }
4157 }
4158 }
4159 }
4160 }
4161 doscan = 0;
4162 break;
4163
4164 case MR_EVT_LD_OFFLINE:
4165 case MR_EVT_LD_DELETED:
4166 megasas_get_ld_list(instance);
4167 for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
4168 for (j = 0;
4169 j < MEGASAS_MAX_DEV_PER_CHANNEL;
4170 j++) {
4171
4172 ld_index =
4173 (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
4174
4175 sdev1 = scsi_device_lookup(host,
4176 i + MEGASAS_MAX_LD_CHANNELS,
4177 j,
4178 0);
4179
4180 if (instance->ld_ids[ld_index] != 0xff) {
4181 if (sdev1) {
4182 scsi_device_put(sdev1);
4183 }
4184 } else {
4185 if (sdev1) {
4186 scsi_remove_device(sdev1);
4187 scsi_device_put(sdev1);
4188 }
4189 }
4190 }
4191 }
4192 doscan = 0;
4193 break;
4194 case MR_EVT_LD_CREATED:
4195 megasas_get_ld_list(instance);
4196 for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
4197 for (j = 0;
4198 j < MEGASAS_MAX_DEV_PER_CHANNEL;
4199 j++) {
4200 ld_index =
4201 (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
4202
4203 sdev1 = scsi_device_lookup(host,
4204 i+MEGASAS_MAX_LD_CHANNELS,
4205 j, 0);
4206
4207 if (instance->ld_ids[ld_index] !=
4208 0xff) {
4209 if (!sdev1) {
4210 scsi_add_device(host,
4211 i + 2,
4212 j, 0);
4213 }
4214 }
4215 if (sdev1) {
4216 scsi_device_put(sdev1);
4217 }
4218 }
4219 }
4220 doscan = 0;
4221 break;
4222 case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
4223 case MR_EVT_FOREIGN_CFG_IMPORTED:
4224 doscan = 1;
4225 break;
4226 default:
4227 doscan = 0;
4228 break;
4229 }
4230 } else {
4231 printk(KERN_ERR "invalid evt_detail!\n");
4232 kfree(ev);
4233 return;
4234 }
4235
4236 if (doscan) {
4237 printk(KERN_INFO "scanning ...\n");
4238 megasas_get_pd_list(instance);
4239 for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
4240 for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
4241 pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j;
4242 sdev1 = scsi_device_lookup(host, i, j, 0);
4243 if (instance->pd_list[pd_index].driveState ==
4244 MR_PD_STATE_SYSTEM) {
4245 if (!sdev1) {
4246 scsi_add_device(host, i, j, 0);
4247 }
4248 if (sdev1)
4249 scsi_device_put(sdev1);
4250 } else {
4251 if (sdev1) {
4252 scsi_remove_device(sdev1);
4253 scsi_device_put(sdev1);
4254 }
4255 }
4256 }
4257 }
4258
4259 megasas_get_ld_list(instance);
4260 for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
4261 for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
4262 ld_index =
4263 (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
4264
4265 sdev1 = scsi_device_lookup(host,
4266 i+MEGASAS_MAX_LD_CHANNELS, j, 0);
4267 if (instance->ld_ids[ld_index] != 0xff) {
4268 if (!sdev1) {
4269 scsi_add_device(host,
4270 i+2,
4271 j, 0);
4272 } else {
4273 scsi_device_put(sdev1);
4274 }
4275 } else {
4276 if (sdev1) {
4277 scsi_remove_device(sdev1);
4278 scsi_device_put(sdev1);
4279 }
4280 }
4281 }
4282 }
4283 }
4284
4285 if ( instance->aen_cmd != NULL ) {
4286 kfree(ev);
4287 return ;
4288 }
4289
4290 seq_num = instance->evt_detail->seq_num + 1;
4291
4292 /* Register AEN with FW for latest sequence number plus 1 */
4293 class_locale.members.reserved = 0;
4294 class_locale.members.locale = MR_EVT_LOCALE_ALL;
4295 class_locale.members.class = MR_EVT_CLASS_DEBUG;
4296 mutex_lock(&instance->aen_mutex);
4297 error = megasas_register_aen(instance, seq_num,
4298 class_locale.word);
4299 mutex_unlock(&instance->aen_mutex);
4300
4301 if (error)
4302 printk(KERN_ERR "register aen failed error %x\n", error);
4303
4304 kfree(ev);
4305}
4306
4307
4308static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUSR,
3455 megasas_sysfs_show_poll_mode_io, 4309 megasas_sysfs_show_poll_mode_io,
3456 megasas_sysfs_set_poll_mode_io); 4310 megasas_sysfs_set_poll_mode_io);
3457 4311
@@ -3468,6 +4322,8 @@ static int __init megasas_init(void)
3468 printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, 4322 printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,
3469 MEGASAS_EXT_VERSION); 4323 MEGASAS_EXT_VERSION);
3470 4324
4325 support_poll_for_event = 2;
4326
3471 memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); 4327 memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
3472 4328
3473 /* 4329 /*
@@ -3500,6 +4356,12 @@ static int __init megasas_init(void)
3500 &driver_attr_release_date); 4356 &driver_attr_release_date);
3501 if (rval) 4357 if (rval)
3502 goto err_dcf_rel_date; 4358 goto err_dcf_rel_date;
4359
4360 rval = driver_create_file(&megasas_pci_driver.driver,
4361 &driver_attr_support_poll_for_event);
4362 if (rval)
4363 goto err_dcf_support_poll_for_event;
4364
3503 rval = driver_create_file(&megasas_pci_driver.driver, 4365 rval = driver_create_file(&megasas_pci_driver.driver,
3504 &driver_attr_dbg_lvl); 4366 &driver_attr_dbg_lvl);
3505 if (rval) 4367 if (rval)
@@ -3516,7 +4378,12 @@ err_dcf_poll_mode_io:
3516 &driver_attr_dbg_lvl); 4378 &driver_attr_dbg_lvl);
3517err_dcf_dbg_lvl: 4379err_dcf_dbg_lvl:
3518 driver_remove_file(&megasas_pci_driver.driver, 4380 driver_remove_file(&megasas_pci_driver.driver,
4381 &driver_attr_support_poll_for_event);
4382
4383err_dcf_support_poll_for_event:
4384 driver_remove_file(&megasas_pci_driver.driver,
3519 &driver_attr_release_date); 4385 &driver_attr_release_date);
4386
3520err_dcf_rel_date: 4387err_dcf_rel_date:
3521 driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); 4388 driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
3522err_dcf_attr_ver: 4389err_dcf_attr_ver:
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-02 14:24:43 -0400