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path: root/drivers/scsi/3w-9xxx.c
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Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
-rw-r--r--drivers/scsi/3w-9xxx.c55
1 files changed, 47 insertions, 8 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index a6ac61611f35..a748fbfb6692 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -60,6 +60,7 @@
60 Remove un-needed eh_abort handler. 60 Remove un-needed eh_abort handler.
61 Add support for embedded firmware error strings. 61 Add support for embedded firmware error strings.
62 2.26.02.003 - Correctly handle single sgl's with use_sg=1. 62 2.26.02.003 - Correctly handle single sgl's with use_sg=1.
63 2.26.02.004 - Add support for 9550SX controllers.
63*/ 64*/
64 65
65#include <linux/module.h> 66#include <linux/module.h>
@@ -82,7 +83,7 @@
82#include "3w-9xxx.h" 83#include "3w-9xxx.h"
83 84
84/* Globals */ 85/* Globals */
85#define TW_DRIVER_VERSION "2.26.02.003" 86#define TW_DRIVER_VERSION "2.26.02.004"
86static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT]; 87static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
87static unsigned int twa_device_extension_count; 88static unsigned int twa_device_extension_count;
88static int twa_major = -1; 89static int twa_major = -1;
@@ -892,11 +893,6 @@ static int twa_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value)
892 writel(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); 893 writel(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev));
893 } 894 }
894 895
895 if (status_reg_value & TW_STATUS_SBUF_WRITE_ERROR) {
896 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xf, "SBUF Write Error: clearing");
897 writel(TW_CONTROL_CLEAR_SBUF_WRITE_ERROR, TW_CONTROL_REG_ADDR(tw_dev));
898 }
899
900 if (status_reg_value & TW_STATUS_MICROCONTROLLER_ERROR) { 896 if (status_reg_value & TW_STATUS_MICROCONTROLLER_ERROR) {
901 if (tw_dev->reset_print == 0) { 897 if (tw_dev->reset_print == 0) {
902 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Microcontroller Error: clearing"); 898 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Microcontroller Error: clearing");
@@ -930,6 +926,36 @@ out:
930 return retval; 926 return retval;
931} /* End twa_empty_response_queue() */ 927} /* End twa_empty_response_queue() */
932 928
929/* This function will clear the pchip/response queue on 9550SX */
930static int twa_empty_response_queue_large(TW_Device_Extension *tw_dev)
931{
932 u32 status_reg_value, response_que_value;
933 int count = 0, retval = 1;
934
935 if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) {
936 status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
937
938 while (((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) && (count < TW_MAX_RESPONSE_DRAIN)) {
939 response_que_value = readl(TW_RESPONSE_QUEUE_REG_ADDR_LARGE(tw_dev));
940 if ((response_que_value & TW_9550SX_DRAIN_COMPLETED) == TW_9550SX_DRAIN_COMPLETED) {
941 /* P-chip settle time */
942 msleep(500);
943 retval = 0;
944 goto out;
945 }
946 status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
947 count++;
948 }
949 if (count == TW_MAX_RESPONSE_DRAIN)
950 goto out;
951
952 retval = 0;
953 } else
954 retval = 0;
955out:
956 return retval;
957} /* End twa_empty_response_queue_large() */
958
933/* This function passes sense keys from firmware to scsi layer */ 959/* This function passes sense keys from firmware to scsi layer */
934static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host) 960static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host)
935{ 961{
@@ -1613,8 +1639,16 @@ static int twa_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset)
1613 int tries = 0, retval = 1, flashed = 0, do_soft_reset = soft_reset; 1639 int tries = 0, retval = 1, flashed = 0, do_soft_reset = soft_reset;
1614 1640
1615 while (tries < TW_MAX_RESET_TRIES) { 1641 while (tries < TW_MAX_RESET_TRIES) {
1616 if (do_soft_reset) 1642 if (do_soft_reset) {
1617 TW_SOFT_RESET(tw_dev); 1643 TW_SOFT_RESET(tw_dev);
1644 /* Clear pchip/response queue on 9550SX */
1645 if (twa_empty_response_queue_large(tw_dev)) {
1646 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x36, "Response queue (large) empty failed during reset sequence");
1647 do_soft_reset = 1;
1648 tries++;
1649 continue;
1650 }
1651 }
1618 1652
1619 /* Make sure controller is in a good state */ 1653 /* Make sure controller is in a good state */
1620 if (twa_poll_status(tw_dev, TW_STATUS_MICROCONTROLLER_READY | (do_soft_reset == 1 ? TW_STATUS_ATTENTION_INTERRUPT : 0), 60)) { 1654 if (twa_poll_status(tw_dev, TW_STATUS_MICROCONTROLLER_READY | (do_soft_reset == 1 ? TW_STATUS_ATTENTION_INTERRUPT : 0), 60)) {
@@ -2034,7 +2068,10 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
2034 goto out_free_device_extension; 2068 goto out_free_device_extension;
2035 } 2069 }
2036 2070
2037 mem_addr = pci_resource_start(pdev, 1); 2071 if (pdev->device == PCI_DEVICE_ID_3WARE_9000)
2072 mem_addr = pci_resource_start(pdev, 1);
2073 else
2074 mem_addr = pci_resource_start(pdev, 2);
2038 2075
2039 /* Save base address */ 2076 /* Save base address */
2040 tw_dev->base_addr = ioremap(mem_addr, PAGE_SIZE); 2077 tw_dev->base_addr = ioremap(mem_addr, PAGE_SIZE);
@@ -2148,6 +2185,8 @@ static void twa_remove(struct pci_dev *pdev)
2148static struct pci_device_id twa_pci_tbl[] __devinitdata = { 2185static struct pci_device_id twa_pci_tbl[] __devinitdata = {
2149 { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9000, 2186 { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9000,
2150 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2187 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2188 { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9550SX,
2189 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2151 { } 2190 { }
2152}; 2191};
2153MODULE_DEVICE_TABLE(pci, twa_pci_tbl); 2192MODULE_DEVICE_TABLE(pci, twa_pci_tbl);